US Pat. No. 9,316,894

PROJECTING APPARATUS

Coretronic Corporation, ...

1. A projecting apparatus comprising:
a chassis comprising:
at least four side walls, wherein a first side wall is opposite to a third side wall and a second side wall is opposite to
a fourth side wall, a first corner is formed by the first side wall and the second side wall, a second corner is formed by
the second side wall and the third side wall, a third corner is formed by the third side wall and the fourth side wall, and
a fourth corner is formed by the fourth side wall and the first side wall;

a first air outlet located on the first side wall and close to the fourth corner;
a second air outlet located on the second side wall and close to the second corner; and
a first air inlet close to the third corner;
an optical engine disposed within the chassis and close to the first corner, wherein the optical engine further comprises
a light source module and an imaging module, the imaging module further comprises a light valve and a projection lens, and
the projection lens is disposed on the first side wall;

a first fan set disposed in the chassis and close to the first air outlet, wherein the first fan set is configured to drive
exterior air to flow into the chassis to form a first air flow via the first air inlet, and the first air flow flows out of
the chassis via the first air outlet; and

a second fan set disposed within the chassis and close to the second air outlet, wherein the second fan set is configured
to drive exterior air to flow into the chassis to form a second air flow via the first air inlet, the second air flow flows
out of the chassis via the second air outlet, and a flow direction of the first air flow at the first air outlet is perpendicular
to a flow direction of the second air flow at the second air outlet.

US Pat. No. 9,268,205

PROJECTOR AND METHOD OF ADJUSTING LUMINANCE BASED ON DETECTED VOLTAGE

Coretronic Corporation, ...

1. A projector adapted to electrically connect to an electronic device with an audio-visual playback function, the projector
comprising:
a detection unit, for detecting whether a power source voltage from the electronic device is equal to a threshold voltage,
detecting whether a power of the power source voltage is equal to a threshold power, and outputting a detection result, based
on the power source voltage and the power of the power source voltage, during the projector operation;

a light source module, for providing a projection light;
a projection unit, for receiving an image data and the projection light to project an image; and
a control unit, electrically connected to the detection unit, the projection unit and the light source module, for receiving
an image signal from the electronic device and generating the image data received by the projection unit, wherein when the
projector is electrically connected to the electronic device, the control unit is configured to control the light source module
to gradually adjust a luminance of the projection light starting from a low luminance, wherein the low luminance is a minimum
luminance of the projection light generated by the light source module, and adjust the luminance of the projection based on
the detection result, and wherein the control unit stops the adjustment of the luminance of the projection light when the
detection result shows that the power source voltage is equal to the threshold voltage and the power of the power source voltage
is less than or equal to the threshold power, or when the detection result shows that the power source voltage is greater
than or equal to the threshold voltage and the power of the power source voltage is equal to the threshold power.

US Pat. No. 9,135,222

METHOD OF VIEWING DOCUMENT FILE AND PROJECTING THE DOCUMENT FILE BY PROJECTION APPARATUS

Coretronic Corporation, ...

1. A method comprising viewing a document file and projecting the document file by a projection apparatus having a built-in
file viewer adapted to open the document file, comprising:
storing, in a memory, multi-lingual word banks supported by the projection apparatus, each word bank corresponds to one language
wherein the projection apparatus comprises a memory, a processing core and a part of the projection apparatus for which the
file viewer stored into, wherein the memory and the part of the projection apparatus is linked to the processing core;

grouping the multi-lingual word banks to obtain a plurality of language groups, wherein each of the language groups contains
at least two word banks of different languages, any two of the language groups shares at least one of the word banks, and
the number of the word banks contained in each of the language groups is less than the number of the word banks supported
by the projection apparatus;

projecting an on-screen display (OSD) menu by the projection apparatus;
receiving an input condition selected from the OSD menu, wherein the input condition comprising selection of at least one
language;

determining, by the processing core, one of the language groups associated with the input condition from the memory;
linking, by the processing core, one of the language groups associated with the input condition from the memory to the file
viewer stored in the part in response to the input condition; and

loading, by the processing core, the linked language group associated with the input condition from the memory to the file
viewer when the processing core receives the input condition of selecting the at least one language;

viewing the document file containing the languages in the linked language group by opening the document file; and
projecting the document file.

US Pat. No. 9,052,424

BACKLIGHT MODULE

CORETRONIC CORPORATION, ...

1. A backlight module, comprising:
at least one light source; and
a light guide plate for guiding a light beam emitted by the light source and at least comprising:
at least one light incident surface disposed adjacent to the light source;
a light-emitting surface connected with the light incident surface and forming an angle with the light incident surface;
a bottom surface connected with the light incident surface and disposed opposite the light-emitting surface;
a plurality of lenticular lenses arranged on the light-emitting surface in a direction substantially parallel to the light
incident surface, each two adjacent lenticular lenses being apart from each other, and each of the lenticular lenses extending
in a direction substantially perpendicular to the light incident surface; and

a plurality of micro dots formed on at least the bottom surface, wherein a distance between two adjacent lenticular lenses
is denoted as P, an inscribed circle diameter of a projection of each of the micro dots projecting on the bottom surface is
denoted as ?, a width of a light-emitting area on the light source measured in a direction parallel to a longitudinal direction
of the light incident surface is denoted as W, a height of each of the micro dots relative to the bottom surface is denoted
as h, and the light guide plate satisfies the following relation:

0.08?(h/?)?0.4;

0.5?(P/?)?15; and

5?(W/P)?500.

US Pat. No. 9,389,495

PROJECTION APPARATUS AND ELEVATING MECHANISM THEREOF

CORETRONIC CORPORATION, ...

1. An elevating mechanism of a projection apparatus, comprising:
a housing attached to the inside of the projection apparatus;
a guide slot formed on a surface of the housing and having a plurality of sections to form a sliding path, wherein each two
adjacent sections are connected and make an included angle with each other, at least one of the sections has multiple teeth,
and a recess is formed between each two adjacent teeth;

an adjustable foot mount sliding relative to the housing;
at least one resilient member disposed inside the housing and leaning against the adjustable foot mount; and
a sliding arm having a fixed end and a free end, the fixed end being fixed on the adjustable foot mount, and the free end
being slidably coupled to the guide slot and moving along the sliding path to store the adjustable foot mount inside the housing
or release the adjustable foot mount from the housing, wherein, when the sliding arm slides on the section having the teeth
and is pressed by the teeth to deform, the free end of the sliding arm engages with any of the recesses to hold the adjustable
foot mount at a selected position.

US Pat. No. 9,081,266

LIGHT SOURCE MODULE AND PROJECTION DEVICE USING THE SAME

CORETRONIC CORPORATION, ...

1. A light source module, comprising:
a shell formed as a tubular shape and comprising a first stop part and a second stop part, wherein the first stop part is
disposed in an inside of the shell, the second stop part is located on an outer wall of the shell, the outer wall of the shell
comprises a first outer surface and a second outer surface, a diameter of the first outer surface is less than a diameter
of the second outer surface, and the second stop part is disposed at a junction of the first outer surface and the second
outer surface;

a fixed ring disposed in the inside of the shell;
an optical element disposed in the inside of the shell and located between the first stop part and the fixed ring, the optical
element being leant against the first stop part and the fixed ring;

a first cover disposed at one end of the shell; and
a light-emitting element disposed in the inside of the shell and located between the fixed ring and the first cover, the light-emitting
element being leant against the fixed ring and the first cover.

US Pat. No. 9,400,418

LIGHT SOURCE MODULE AND PROJECTION APPARATUS

Coretronic Corporation, ...

14. A projection apparatus, having a housing, the projection apparatus comprising:
a light source module configured for providing an illumination beam, the light source module comprises:
a lamp holder, fixed to the housing and having a cover, wherein the cover has a first inlet and a first outlet;
a casing, connected to the lamp holder and having a containing space, a second inlet, and at least one second outlet, wherein
the containing space is located between the second inlet and the second outlet, the casing further has a shielding part, and
the shielding part extends from a first edge of the second outlet and shields the second outlet;

a light source, fixed to the lamp holder, wherein the containing space contains the light source; and
a heat dissipation fan, having an outflow side, wherein the first inlet and the second inlet face the outflow side, the heat
dissipation fan generates a heat dissipation airflow through the outflow side, a first part of the heat dissipation airflow
enters the cover through the first inlet and leaves the cover through the first outlet, and a second part of the heat dissipation
airflow enters the casing through the second inlet and leaves the casing through the second outlet;

an optical engine module configured for receiving the illumination beam from the light source module, and converting the illumination
beam into an image beam; and

a projection lens configured for converting the image beam into a projection beam.

US Pat. No. 9,228,719

ILLUMINATION SYSTEM AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. An illumination system comprising:
a plurality of first light emitting elements capable of emitting a plurality of exciting beams;
a plurality of collimator lenses respectively disposed on transmission paths of the exciting beams emitted by the first light
emitting elements and being capable of collimating the exciting beams emitted by the first light emitting elements;

a wavelength-converting unit disposed on the transmission paths of the exciting beams to convert the exciting beams into a
first color light beam, wherein a wavelength of the first color light beam is different from a wavelength of the exciting
beams;

a first reflector disposed on the transmission paths of the exciting beams and disposed between the first light emitting elements
and the wavelength-converting unit, wherein the first reflector has a hole and the first reflector is a concave mirror, the
collimators lenses are respectively disposed between the first light emitting elements and the first reflector, and the exciting
beams collimated by the collimator lenses are reflected by the first reflector;

a second reflector disposed between the first light emitting elements and the first reflector to reflect the exciting beams,
reflected by the first reflector, to the wavelength-converting unit, wherein the second reflector is a convex mirror and the
exciting beams reflected by the second reflector are transmitted to the wavelength-converting unit through the hole; and

a supporting substrate, wherein the first light emitting elements are disposed on the supporting substrate to surround a central
axis of the second reflector and are arranged extendedly in at least a direction perpendicular to the central axis of the
second reflector, so that an optical axis of each of the first light emitting elements is parallel to the exciting beams reflected
by the second reflector.

US Pat. No. 9,207,388

LIGHT SOURCE MODULE

Coretronic Corporation, ...

1. A light source module, comprising:
a light guide plate, having a first surface, a second surface opposite to the first surface, and a light incident surface
connected to the first surface and the second surface, wherein the light incident surface comprises a first light incident
sub-surface, a second light incident sub-surface and a first end, and the second light incident sub-surface is oblique relative
to the first light incident sub-surface;

at least one first light-emitting device, disposed beside the first light incident sub-surface; and
at least one second light-emitting device, disposed beside the second light incident sub-surface, wherein the light guide
plate has a visual area, and the visual area has a first corner located beside the first end of the light incident surface,
a light-emitting range of the second light-emitting device covers the first corner of the visual area, and the second light
incident sub-surface is located between the first end and the first light incident sub-surface.

US Pat. No. 9,134,820

INDICATING UNIT, INDICATING APPARATUS AND INDICATING METHOD

Coretronic Corporation, ...

1. An indicating apparatus, used in a projection system for projecting a projected image on a projection surface, the indicating
apparatus comprising:
an indicating unit, comprising a first component and a second component located at two opposite ends thereof, and an infrared
transmitting module, wherein the infrared transmitting module transmits a first infrared signal and a second infrared signal,
and the infrared transmitting module transmits the first infrared signal and the second infrared signal respectively through
the first component and the second component when the indicating unit touches on the projection surface, wherein the infrared
transmitting module continuously transmits the first infrared signal and the infrared transmitting module periodically transmits
the second infrared signal; and

an infrared receiving module, receiving at least one of the first infrared signal and the second infrared signal, wherein
the infrared receiving module receives one of the first infrared signal and the second infrared signal for deducing a touch
position when the other one of the first infrared signal and the second infrared signal is blocked, wherein the infrared receiving
module and the projection surface are separated, and the infrared receiving module is disposed outside of the projection surface.

US Pat. No. 9,442,351

OPTICAL ENGINE MODULE HAVING HEAT-DISSIPATING MODULE AND PROJECTION APPARATUS HAVING THE SAME

Coretronic Corporation, ...

1. An optical engine module, comprising:
a first casing, having a frame body and a first enclosed space within in the frame body;
a light source module, disposed at the first casing;
a phosphor wheel, disposed in the first enclosed space, wherein the light source module is configured to emit a light beam
irradiating the phosphor wheel;

a cooling fan, disposed in the first enclosed space and having an airflow outlet blowing air to the phosphor wheel, wherein
the airflow outlet and the phosphor wheel are at least partially overlapped with each other along an airflow exiting direction
of the cooling fan, and the airflow outlet is disposed in the first enclosed space and not disposed at the frame body; and

a heat-dissipating module, comprising a first heat-dissipating part, a heat-guiding part and a second heat-dissipating part,
wherein the first heat-dissipating part is disposed in the first enclosed space, the second heat-dissipating part is disposed
outside the first enclosed space, the heat-guiding part is connected between the first heat-dissipating part and the second
heat-dissipating part, the phosphor wheel is positioned between the airflow outlet and the first heat-dissipating part, and
the phosphor wheel and the first heat-dissipating part are at least partially overlapped with each other along the airflow
exiting direction.

US Pat. No. 9,429,829

ILLUMINATION SYSTEM AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. An illumination system, comprising:
at least one laser light source capable of generating a laser beam;
a wavelength conversion device located on a transmission path of the laser beam; and
a two-dimensional anisotropic diffusion sheet, located on the transmission path of the laser beam, and located between the
at least one laser light source and the wavelength conversion device, wherein the two-dimensional anisotropic diffusion sheet
is configured for allowing the laser beam to have an increasing degree of a divergent angle in a first direction greater than
an increasing degree of a divergent angle in a second direction, and wherein the first direction is substantially parallel
to a slow axis of the laser beam, wherein a surface of the two-dimensional anisotropic diffusion sheet has a plurality of
ellipsoid-shaped grooves, and a long axis of each of the ellipsoid-shaped grooves is substantially orthogonal to a fast axis
of the laser beam.

US Pat. No. 9,357,190

PROJECTION DEVICE AND AUTOMATIC PROJECTION CALIBRATION METHOD THEREOF

Coretronic Corporation, ...

1. A projection device, comprising:
a projecting unit, receiving a projection control signal and a display data, and projecting a calibration pattern or an image
pattern according to the projection control signal, wherein the image pattern is corresponding to the display data;

an image sensor, sensing the image pattern;
a processing unit, coupled to the projecting unit and the image sensor, and providing the projection control signal, wherein
when the projection device boots up, the processing unit controls the projecting unit to project the image pattern through
the projection control signal and senses the image pattern through the image sensor, so as to obtain an information of the
image pattern, the processing unit compares the information of the image pattern with an information of a previous image pattern
to determine whether to execute an automatic calibration procedure, when the processing unit executes the automatic calibration
procedure, the processing unit controls the projecting unit to project the calibration pattern through the projection control
signal and senses the calibration pattern through the image sensor, so as to obtain an information of the calibration pattern,
and the processing unit converts imaging coordinates of the calibration pattern sensed by the image sensor into projecting
coordinates of the projection device through executing a calibration driving procedure, so as to establish a coordinate conversion
table; and

a storage unit, storing the information of the previous image pattern, the calibration driving procedure, and the coordinate
conversion table.

US Pat. No. 9,164,274

WAVELENGTH CONVERSION WHEEL MODULE AND ILLUMINATION SYSTEM

Coretronic Corporation, ...

1. A wavelength conversion wheel module, comprising:
a wavelength conversion wheel, comprising a plurality of annular areas, wherein each of the annular areas comprises at least
one wavelength conversion area and at least one light passing area, the at least one wavelength conversion area converts an
original light beam incident on the wavelength conversion area into at least one converted light beam, a wavelength of the
converted light beam is different from a wavelength of the original light beam, and the annular areas are arranged along a
radial direction of the wavelength conversion wheel, wherein the annular areas have different optical parameters, and the
optical parameters of the annular areas are related to the wavelength conversion area and the light passing area, wherein
the at least one wavelength conversion area of each of the annular areas is a plurality of different wavelength conversion
areas, and the wavelength conversion areas cut into a transmission path of the original light beam by turns and respectively
convert the original light beam into the converted light beams with different wavelengths; and

a first actuator, connected to the wavelength conversion wheel, and driving the wavelength conversion wheel to rotate around
a rotation center.

US Pat. No. 9,317,137

OPTICAL TOUCH DETECTION MODULE, PROJECTION SYSTEM WITH OPTICAL TOUCH DETECTION MODULE, AND METHOD OF OPTICAL TOUCH DETECTION MODULE

Coretronic Corporation, ...

1. A touch module comprising:
a laser scanner device sequentially providing a touch region with a laser beam at a plurality of angles in a first period;
a photodiode configured for receiving a first reflection beam from a touch point in the touch region, wherein the laser beam
irradiates the touch point to result in reflection to generate the first reflection beam;

an image capturing device capturing an image having a second reflection beam from the touch point in a second period, wherein
the laser beam irradiates the touch point to result in reflection to generate the second reflection beam; and

a processing unit electrically connected to the laser scanner device, the photodiode, and the image capturing device, the
processing unit determining a first angle corresponding to the touch point according to the first reflection beam from the
touch point received by the photodiode, determining a second angle corresponding to the second reflection beam according to
the image having the second reflection beam captured by the image capturing device, and calculating location information of
the touch point according to the first angle and the corresponding second angle.

US Pat. No. 9,307,602

ILLUMINATION SYSTEM

CORETRONIC CORPORATION, ...

1. An illumination system for a projection apparatus, the illumination system comprising:
a light source module capable of emitting an illuminating light beam;
an integrating rod disposed in a transmission path of the illuminating light beam and having a light entrance surface facing
toward the light source module; and

an optical detecting module comprising a light guiding device and an optical detecting device, the light guiding device having
a first end surface and a second end surface, the first end surface being farther away from the light entrance surface of
the integrating rod than the second end surface, and the optical detecting device being disposed adjacent to the first end
surface of the light guiding device and electrically connected to the light source module, wherein the light guiding device
guides a part of randomly emitted light from the illuminating light beam to the optical detecting device, and the light source
module adjusts intensity of the illuminating light beam according to the randomly emitted light detected by the optical detecting
device,

wherein the light guiding device is a rod, and after the randomly emitted light enters the second end surface of the light
guiding device, the randomly emitted light is transmitted and homogenized through the light guiding device to the first end
surface, and is received and detected by the optical detecting device.

US Pat. No. 9,438,872

PROJECTION DISPLAY SYSTEM AND METHOD FOR CORRECTING PROJECTION REGION

Coretronic Corporation, ...

1. A projection display system, comprising:
a plurality of projection devices, respectively configured to project a plurality of projection regions to a projection surface;
an image capturing device, configured to capture an image of the projection regions on the projection surface;
a computing device coupled to the image capturing device and having a control interface, wherein the computing device is adapted
to generate a projection device and image capturing device two-dimensional coordinate array according to the image of the
projection regions having a plurality of lattice points captured by the image capturing device and a resolution coordinate
of the computing device, and wherein the control interface is configured to set a projection boundary, and the computing device
is adapted to generate an image capturing device two-dimensional coordinate array according to the projection boundary; and

a blending device, coupled to the projection devices and the computing device, configured to apply the projection device and
image capturing device two-dimensional coordinate array and the image capturing device two-dimensional coordinate array to
an input image to form a blending image.

US Pat. No. 9,405,177

COLOR WHEEL MODULE AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. A color wheel module, comprising:
a color wheel;
a cover, shading the color wheel; and
a flow detour duct, communicated with the cover and having an airflow inlet and an airflow outlet, wherein the color wheel
is configured to drive an airflow, and the airflow enters the flow detour duct from the airflow inlet, then flows through
the color wheel and is discharged from the airflow outlet, wherein the flow detour duct has at least two air flow channels,
the at least two air flow channels are communicated with at least one inflection portion, and an inflection angle of the at
least one inflection portion is greater than or equal to 90 degrees.

US Pat. No. 9,377,886

OPTICAL TOUCH DISPLAY APPARATUS

Coretronic Corporation, ...

1. An optical touch display apparatus comprising:
a backlight module capable of providing a visible beam and an invisible beam;
a display panel disposed at a side of the backlight module, wherein a sensing space is located in front of the display panel,
the display panel is located between the backlight module and the sensing space, and the visible beam and the invisible beam
are capable of passing through the display panel and being transmitted to the sensing space;

at least one optical detector disposed outside the display panel, wherein a part of the invisible beam is reflected by the
touch object when a touch object enters the sensing space, and the at least one optical detector being disposed in a transmission
path of the part of the invisible beam reflected by the touch object to detect the part of the invisible beam, and wherein
the part of the invisible beam transmitted to the at least one optical detector forms a bright region in a frame detected
by the at least one optical detector, and the optical touch display apparatus is capable of determining a location of the
touch object in the sensing space based on a location of the bright region in the frame,

wherein the backlight module comprises at least one light emitting element and a light guide plate having a first surface
facing the display panel, a second surface facing away from the display panel and the at least one light emitting element,
and at least one light incident surface connecting the first surface and the second surface; and

a front frame, covering an edge of the display panel, wherein the at least one optical detector is disposed near the display
panel and covered by the front frame,

wherein the at least one light emitting element is capable of emitting the visible beam and the invisible beam, wherein the
visible beam and the invisible beam are capable of entering the light guide plate through the at least one light incident
surface and being transmitted to the display panel through the first surface, and the at least one light emitting element
comprises:

a visible light emitting diode chip capable of emitting the visible beam;
an invisible light emitting diode chip capable of emitting the invisible beam; and
an encapsulant encapsulating the visible light emitting diode chip and the invisible light emitting diode chip.

US Pat. No. 9,372,200

ROTATION SPEED DETECTING DEVICE AND DETECTING METHOD THEREOF

Coretronic Corporation, ...

1. A rotation speed detecting device, electrically connected to a motor of a color wheel for a projector, and the rotation
speed detecting device comprising:
a phase detecting unit, adapted to detect a predetermined reference phase angle of a rotation information outputted by the
motor during each duty cycle, and configured to output a phase signal based on the predetermined reference phase angle; and

a time calculating unit, electrically connected to the phase detecting unit, and calculating a speed information of the motor
according to the phase signal, wherein the time calculating unit calculates the speed information according to a time interval
elapsed between two adjacent phase signals, wherein the two adjacent phase signals based on the same detected phase angle
of the same rotation information, and the calculated speed information is used to detect the rotation of the motor of the
color wheel for the projector.

US Pat. No. 9,341,933

WAVELENGTH CONVERSION AND FILTERING MODULE AND LIGHT SOURCE SYSTEM

Coretronic Corporation, ...

1. A wavelength conversion and filtering module comprising:
a plurality of optical regions adapted to move, at least one of the optical regions being a wavelength conversion and filtering
region, and the wavelength conversion and filtering region comprising:

a reflection unit;
a wavelength conversion unit;
a prism sheet, wherein the wavelength conversion unit is located between the reflection unit and the prism sheet; and
a filter unit, wherein the prism sheet is located between the wavelength conversion unit and the filter unit.

US Pat. No. 9,261,760

PROJECTION APPARATUS HAVING ILLUMINATION SYSTEM AND ASSOCIATED ION FAN

Coretronic Corporation, ...

1. An illumination system, adapted to be used in a projection apparatus, and the illumination system comprising:
a solid-state light source group;
a cooling module thermally coupled to the solid-state light source group; and
an ion fan, wherein the cooling module is located on a path of a forced convection air generated by the ion fan,
wherein the solid-state light source group comprises a plurality of solid-state light-emitting elements, the cooling module
comprises a plurality of heat sinks, the heat sinks are respectively and correspondingly connected to the solid-state light-emitting
elements, at least one of the heat sinks is located on the path of the forced convection air generated by the ion fan, the
solid-state light-emitting elements comprise a red, a blue, and a green light-emitting diode elements, and only the heat sink
thermally coupled to the red light-emitting diode element and the heat sink thermally coupled to the green light-emitting
diode element are located on the path of the forced convection air generated by the ion fan, wherein the heat sink thermally
coupled to the red light-emitting diode element is located at an upstream of the forced convection air generated by the ion
fan compared to the heat sink of the blue and the green light-emitting diode element.

US Pat. No. 9,152,031

LIGHT SOURCE MODULE AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. A light source module, comprising:
a light-emitting device, providing an excitation beam, wherein the excitation beam comprises a first portion beam, and the
first portion beam has a first polarization direction;

a wavelength conversion device, disposed on a transmission path of the first portion beam, wherein the wavelength conversion
device is suitable for rotating and comprises:

a first wavelength conversion area and a polarization conversion area, wherein when the wavelength conversion device rotates,
the first portion beam of the excitation beam alternately irradiates the first wavelength conversion area and the polarization
conversion area, when the first portion beam irradiates the first wavelength conversion area, the first portion beam is converted
into a first color beam, and when the first portion beam irradiates the polarization conversion area, the first polarization
direction of the first portion beam is converted to a second polarization direction; and

a polarization and color separation unit, disposed between the wavelength conversion device and the light-emitting device,
wherein the polarization and color separation unit transmits the first portion beam with the first polarization direction,
and reflects the first portion beam with the second polarization direction and the first color beam to a same direction.

US Pat. No. 9,482,933

PROJECTION APPARATUS AND METHOD FOR PROTECTING PROJECTION APPARATUS BY SENSING LIGHT INTENSITIES

Coretronic Corporation, ...

1. A projection apparatus, comprising:
a light source module, comprising:
a light source, emitting an illumination beam; and
a light conversion unit, converting the illumination beam into a plurality of color beams with different colors;
a light source control module, comprising:
a light sensing unit, sensing light intensities of the color beams; and
a control unit, determining whether to turn off the light source according to at least one of a light intensity proportion
of the color beams and a sum of the light intensities of the color beams; and

an optical engine module, receiving the color beams to generate an image beam,
wherein the control unit selects one of the color beams as a reference color beam, calculates a plurality of light intensity
ratios between the color beams with the other colors and the reference color beam, and turns off the light source when any
one of the light intensity ratios exceeding a predetermined ratio range is determined.

US Pat. No. 9,470,961

PROJECTION APPARATUS AND LIGHT SOURCE MODULE HAVING FIXING WIRE

Coretronic Corporation, ...

1. A projection apparatus, comprising:
a light source module, comprising:
a cover;
a light emitting device, at least partially disposed in the cover, and comprising a light source and a first pillar, wherein
the light source is connected to the first pillar and is configured to provide an illumination beam;

a lead wire, electrically connected to the light source, and position-limited between the cover and the first pillar, wherein
one end of the lead wire is connected to the first pillar, and another end of the lead wire is position-limited to the cover;

a trigger wire, disposed on the first pillar, and electrically connected to the lead wire; and
at least one fixing wire, position-limited between the cover and the first pillar, wherein one end of the at least one fixing
wire is connected to the first pillar, another end of the at least one fixing wire is position-limited to the cover, and the
first pillar is connected between the at least one fixing wire and the lead wire;

a light valve, configured to convert the illumination beam into an image beam; and
a lens, configured to convert the image beam into a projection beam.

US Pat. No. 9,411,218

WAVELENGTH CONVERSION DEVICE AND PROJECTOR

Coretronic Corporation, ...

1. A wavelength conversion device, comprising:
a main body having at least one wavelength conversion region and a slot; and
a transparent component disposed in the slot to form a light transmission region, wherein one of the main body and the transparent
component has at least one groove, and another one of the main body and the transparent component is tightly engaged with
the groove, such that the main body and the transparent component are fixed together through the groove.

US Pat. No. 9,395,616

PROJECTION SCREEN AND MANUFACTURING METHOD OF PROJECTION SCREEN

Coretronic Corporation, ...

1. A projection screen comprising:
a transparent substrate having a first surface and a second surface opposite to the first surface;
a plurality of micro-lens structures located at the first surface of the transparent substrate;
a Fresnel lens structure located at the second surface of the transparent substrate;
a light absorption layer comprising a light absorption portion connected to the Fresnel lens structure, wherein the Fresnel
lens structure is located between the micro-lens structures and the light absorption layer; and

a diffusive reflection layer comprising a plurality of dispersive diffusive reflection portions connected to the Fresnel lens
structure, the diffusive reflection portions respectively corresponding to the micro-lens structures, wherein deviation degrees
of the diffusive reflection portions with respect to a plurality of optical axes of the corresponding micro-lens structures
increase together with an increase in slopes of inclined surfaces of the Fresnel lens structure on the corresponding optical
axes.

US Pat. No. 9,329,328

LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING THE SAME

Coretronic Corporation, ...

1. A backlight module, comprising:
a light guide plate, having a light emitting surface, a bottom surface opposite to the light emitting surface, a light incident
surface connecting with the light emitting surface and the bottom surface, a plurality of first microstructures on the bottom
surface, and a plurality of fourth microstructures on the bottom surface, wherein each of the first microstructures is a recessed
structure and comprises a first surface and a second surface, the first surface faces to the light incident surface, and an
included angle between the first surface and the bottom surface ranges from 15 degrees to 27 degrees, the first surface of
each of the first microstructures is located between the second surface and the light incident surface, and an included angle
between the second surface and the bottom surface ranges from 50 degrees to 90 degrees, and wherein each of the fourth microstructures
is a protruding structure attached to the bottom surface, a distribution density of the fourth microstructures away from the
light incident surface is higher than a distribution density of the fourth microstructures close to the light incident surface,
and a distance between the adjacent fourth microstructures ranges from 30 ?m to 500 ?m, wherein the fourth microstructures
are disposed between adjacent first microstructures, and a gap is between each of the fourth microstructures and the first
microstructures;

a light source, providing a light beam, and the light beam entering the light guide plate via the light incident surface,
wherein an included angle between a light emitting direction of the light beam emitted from the light emitting surface of
the light guide plate and a normal direction of the light emitting surface is greater than 30 degrees; and

at least one prism sheet, disposed above the light emitting surface.

US Pat. No. 9,151,955

PROJECTION SYSTEM AND LIGHT-HOMOGENIZING DEVICE ADJUSTMENT ELEMENT

CORETRONIC CORPORATION, ...

1. A projection system, comprising:
a light source for emitting an illumination light beam;
a light-homogenizing device located on a transmission path of the illumination light beam, for homogenizing the illumination
light beam into an uniform light beam;

a light-homogenizing device adjustment element comprising an actuator leaning against one side of the light-homogenizing device
and having a plurality of curved surfaces with different radii of curvature, wherein, when the actuator rotates about an axial
direction as a rotary center, the curved surfaces push the light-homogenizing device to cause the light-homogenizing device
to move in at least one direction from an initial position, and the at least one direction comprises a direction not parallel
to the axial direction;

an imaging device located on a transmission path of the uniform light beam, for transforming the uniform light beam into an
image beam; and

a projection lens for receiving the image beam for projection.

US Pat. No. 9,122,141

MICRO-PROJECTOR WITH CLIPPING STRUCTURE

CORETRONIC CORPORATION, ...

1. A micro-projector applied to a portable computer, comprising:
a projecting device communicating with the portable computer through signals and projecting a projection light, wherein the
projecting device revolves relatively to the portable computer about a first axis;

a clipping structure comprising a clipping element clipping the portable computer selectively and a carrying element revolved
relatively to the clipping element about the first axis, wherein the projecting device is disposed on the carrying element
of the clipping structure, the projecting device and the carrying element revolving together about the first axis and relatively
to the clipping element, and wherein the projecting device is pivoted to an end of the carrying element, and revolves relatively
to the carrying element about a second axis, and the second axis is perpendicular to the first axis; and

a reflector disposed on the other end of the carrying element and being adjustably revolved about a third axis relative to
the carrying element at a desired angle for reflecting the projection light, when the projecting device is revolved about
the second axis relatively to the carrying element to a position facing toward the reflector, the reflector reflecting the
projection light projected onto the reflector by the projecting device to a surface or a screen.

US Pat. No. 9,057,940

LIGHT SOURCE MODULE AND PROJECTION APPARATUS FOR SWITCHING ILLUMINATION BETWEEN WAVELENGTH CONVERSION ELEMENT AND REFLECTION ELEMENT

Coretronic Corporation, ...

1. A light source module, comprising:
a light-emitting element, adapted to emit a first color beam;
an optical path switching element, disposed on a propagating path of the first color beam, and the optical path switching
element switching the first color beam between a first optical path and a second optical path, wherein the optical path switching
element comprises a reflector, and the reflector is adapted to rotate to sequentially reflect the first color beam to the
first optical path and the second optical path;

a wavelength conversion element, disposed on the first optical path, and comprising a first wavelength conversion layer and
a second wavelength conversion layer, wherein the first wavelength conversion layer and the second wavelength conversion layer
are switched to the first optical path in alternation;

a first reflection element, disposed on the second optical path, wherein when the first color beam is switched to the first
optical path by the optical path switching element, the first color beam respectively excites the first wavelength conversion
layer and the second wavelength conversion layer to produce a second color beam and a third color beam, and when the first
color beam is switched to the second optical path by the optical path switching element, the first color beam is propagated
to the first reflection element; and

a first beam splitter element, disposed on a propagating path of the first color beam, the second color beam and the third
color beam, the first beam splitter element is adapted to reflect the second color beam and the third color beam, and be passed
by the first color beam,

wherein the light source module further comprises a filter element disposed on the first optical path and located between
the wavelength conversion element and the optical path switching element, and at least a portion of the second color beam
and a portion of the third color beam from the wavelength conversion element pass through the filter element.

US Pat. No. 9,441,812

ILLUMINATION APPARATUS

Coretronic Corporation, ...

1. An illumination apparatus, comprising:
an exciting light source emitting an exciting beam;
a reflective switching element disposed on a transmission path of the exciting beam;
a first wavelength conversion element;
a second wavelength conversion element, wherein the reflective switching element sequentially reflects the exciting beam to
the first wavelength conversion element and the second wavelength conversion element, wherein the reflective switching element
reflects the exciting beam to the first wavelength conversion element to excite the first wavelength conversion element to
emit a first conversion beam when the reflective switching element is switched to a first state, and the reflective switching
element reflects the exciting beam to the second wavelength conversion element to excite the second wavelength conversion
element to emit a second conversion beam when the reflective switching element is switched to a second state; and

a reflective cover reflecting at least one of the first conversion beam and the second conversion beam.

US Pat. No. 9,348,204

LIGHT SOURCE MODULE WITH WAVELENGTH CONVERSION MODULE AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. A light source module, comprising:
an exciting light source unit, providing an exciting light beam;
a wavelength conversion module; comprising:
at least one wavelength conversion reflecting portion; and
a wavelength conversion transmitting portion, wherein the wavelength conversion transmitting portion comprises a phosphor
layer, the at least one wavelength conversion reflecting portion and the wavelength conversion transmitting portion alternately
cut into a transmission path of the exciting light beam, and when the wavelength conversion transmitting portion cuts into
the transmission path of the exciting light beam, a part of the exciting light beam passing through the wavelength conversion
transmitting portion is a first color light beam, and another part of the exciting light beam is converted into a second color
light beam by the phosphor layer of the wavelength conversion transmitting portion, and when the at least one wavelength conversion
reflecting portion cuts into the transmission path of the exciting light beam, the at least one wavelength conversion reflecting
portion converts and reflects the exciting beam into at least one converted reflection light beam, and the second color light
beam, the converted reflection light beam and the exciting light beam have different colors from one another; and

a light combining unit, wherein the light combining unit is disposed on transmission paths of the first color light beam,
the second color light beam and the converted reflection light beam and combines the first color light beam, the second color
light beam and the converted reflection light beam as an illumination light beam.

US Pat. No. 9,223,077

LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE

Coretronic Corporation, ...

1. A light guide plate, comprising:
a first surface;
a second surface opposite to the first surface;
at least one light incident surface connecting the first surface and the second surface; and
a plurality of groove sets, each groove set separately disposed from the other groove set on the second surface, wherein each
of the groove sets comprises a plurality of curved grooves, each of the curved grooves has a curved inclined reflective surface,
a curved back-to-light surface, and a bottom surface connected to the curved inclined reflective surface and the curved back-to-light
surface, the curved inclined reflective surface is inclined with respect to the first surface, the curved grooves of each
of the groove sets curve toward a same curving direction, the curved inclined reflective surface of one of two adjacent curved
grooves is connected to the curved back-to-light surface of the other one of the two adjacent curved grooves through a connection
surface, and an absolute value of a slope of any tangent line of any point on the connection surface relative to the first
surface is less than 1.7,

wherein the curved grooves of the groove sets have a plurality of different curvature radii, a number density on an end of
the light guide plate away from the light incident surface is greater than a number density on an end of the light guide plate
close to the light incident surface for the groove sets with a largest curvature radius, a number density on the end of the
light guide plate away from the light incident surface is smaller than a number density on the end of the light guide plate
close to the light incident surface for the groove sets with a smallest curvature radius, and the groove sets having a middle
curvature radius are distributed entirely on the light guide plate, wherein the middle curvature radius is between the largest
curvature radius and the smallest curvature radius.

US Pat. No. 9,075,175

LIGHT SOURCE MODULE

Coretronic Corporation, ...

1. A light source module, comprising:
a light guide plate comprising a first light emitting surface, a bottom surface opposite to the first light emitting surface,
a first light incident surface connecting with the bottom surface and the first light emitting surface, and at least one optical
microstructure unit, the optical microstructure unit comprising:

at least two first optical microstructures, each of the least two first optical microstructures comprising a recess portion
on the bottom surface and a protrusion portion on the bottom surface, and the protrusion portion connecting with the recess
portion, wherein the protrusion portion is located between the first light incident surface and the recess portion, the recess
portion comprises a first micro-surface and a second micro-surface connecting with the first micro-surface, and the protrusion
portion comprises a third micro-surface and a fourth micro-surface connecting with the third micro-surface, wherein the second
micro-surface and the third micro-surface are connected, an extension direction of the first micro-surface and the fourth
micro-surface are substantially perpendicular to the first light emitting surface, and an extension direction of the second
micro-surface and the third micro-surface are inclined relative to the first light incident surface;

at least one light-collecting structure, comprising a second light emitting surface connecting with the first light incident
surface, a second light incident surface, a first reflective surface connecting with the second light emitting surface and
the second light incident surface, and a second reflective surface opposite to the first reflective surface and connecting
with the second light emitting surface and the second light incident surface, wherein a section of the first reflective surface
obtained by a first reference plane comprises a sectional line, and the sectional line comprises a first parabola, wherein
the first reference plane is parallel to the first light emitting surface; and

at least one light emitting device adapted to emit light beams, the light beams sequentially passing through the second light
incident surface, the first reflective surface, the second light emitting surface, the first light incident surface to enter
into the light guide plate, the light beams entering the light guide plate guiding by the optical microstructure unit to the
first light emitting surface.

US Pat. No. 9,810,968

WAVELENGTH CONVERSION DEVICE AND PROJECTOR

Coretronic Corporation, ...

1. A wavelength conversion device, comprising:
a main body, having at least one wavelength conversion region, a containing recess portion, and a stop portion, wherein the
containing recess portion and the stop portion encircle a closed slot; and

a transparent element, disposed in the closed slot to construct a light penetration region, wherein the transparent element
is free from an opening in an axial direction, and the stop portion stops the transparent element along a radial direction
of the main body, wherein the axial direction is perpendicular to the radial direction.

US Pat. No. 9,482,937

ILLUMINATION SYSTEM AND PROJECTION APPARATUS

Coretronic Corporation, ...

12. A projection apparatus, comprising:
an illuminating system, providing an illuminating beam, the illumination system comprising:
a plurality of light source units, configured to provide a plurality of light beams;
at least one light concentrating unit, corresponding to and disposed beside one of the light source units, wherein the at
least one light concentrating unit has a first illuminating surface, one of the light source units corresponding to the at
least one light concentrating unit has a second illuminating surface, each of the other light source units that do not correspond
to the at least one light concentrating unit has a third illuminating surface, and an area of the second illuminating surface
is substantially different from an area of each of the third illuminating surfaces;

at least one taper tunnel, corresponding to and disposed beside the at least one light concentrating unit, wherein the at
least one light concentrating unit is located between the corresponding one of the light source units and the taper tunnel,
the at least one taper tunnel has a fourth illuminating surface, and an area of the fourth illuminating surface is equal to
the area of each of the third illuminating surfaces;

a light valve, disposed on a transmitting path of the illumination beam, and configured to convert the illumination beam into
an image beam; and

a projection lens, disposed on the transmission path of the image beam.

US Pat. No. 9,470,874

FIXED-FOCUS LENS

Coretronic Corporation, ...

1. A fixed-focus lens, comprising:
a first lens group having a positive refractive power, and including a first lens, a second lens and a third lens arranged
in sequence from a magnified side to a reduced side;

a second lens group having a positive refractive power, and including a fourth lens, a fifth lens, a sixth lens and a seventh
lens arranged in sequence from the magnified side to the reduced side, wherein a product of a refractive power and a slope
of a refractive index changing with a temperature change of any one lens of the second lens group is P×(dn/dt), and a sum
of P×(dn/dt) of the lenses of the second lens group is less than 0; and

an aperture stop, disposed between the first lens group and the second lens group.

US Pat. No. 9,400,574

INTERACTIVE TOUCH SYSTEM AND LIGHT SOURCE DEVICE

Coretronic Corporation, ...

1. An interactive touch system, comprising:
a display device, adapted to provide an image beam to a display surface;
a light source device, comprising:
a light-emitting element; and
a light-guide element, having a conical surface and a cylindrical curved surface facing the conical surface, wherein curvature
centers of at least partial section of the cylindrical curved surface are not located on a central axis of the conical surface,
the light-emitting element is adapted to emit an invisible light beam toward the conical surface, and the invisible light
beam is reflected by the conical surface and the cylindrical curved surface to be diverged and range over the display surface;
and

an invisible light detecting device, wherein when an object moves to the display surface, the invisible light beam is reflected
by the object to be detected by the invisible light detecting device.

US Pat. No. 9,651,854

PROJECTOR

Coretronic Corporation, ...

1. A projector, comprising:
a light source module, adapted to provide a first illumination beam and comprises:
a plurality of light sources, each of the light sources provides an illumination sub-beam;
a plurality of optical fibers, each of the optical fibers has a first end and a second end opposite to each other, and the
first ends are respectively aligned to the light sources;

a light integration rod, having a light input end and a light output end opposite to the light input end, wherein a cross-section
of the light integration rod is a rectangle, the second ends are aligned to the light input end, and each of the illumination
sub-beams is adapted to transmit to the light input end through the corresponding optical fiber and pass through the light
integration rod and emit out of the light output end, so as to form the first illumination beam; and

a ring-shaped bunching unit, and the second ends are bunched by the ring-shaped bunching unit, wherein the ring-shaped bunching
unit and the second ends are fixed to the light input end of the light integration rod;

an optical engine, comprising a phosphor wheel, wherein the phosphor wheel is located at a transmission path of the first
illumination beam, and the phosphor wheel is adapted to convert the first illumination beam into a second illumination beam;

a light valve, located at a transmission path of the second illumination beam and is adapted to convert the second illumination
beam into an image beam; and

a projecting lens, located at a transmission path of the image beam and is adapted to project the image beam out of the projector.

US Pat. No. 9,684,231

PROJECTOR COMPRISING A LIGHT-SHAPE ADJUSTING ELEMENT

CORETRONIC CORPORATION, ...

1. A projector comprising:
at least one light source for emitting at least one light beam;
a light combination assembly disposed at a transmission path of the light beam for transferring the light beam to an illumination
beam;

a light-shape adjusting element disposed in the light combination assembly and located at the transmission path of the light
beam for adjusting a light shape of the light beam, wherein the light shape of the light beam is adjusted to be an elliptical
shape by the light-shape adjusting element, wherein the light-shape adjusting element is a biconic surface lens;

an illuminating assembly disposed at a transmission path of the illumination beam and comprising a lens array and a light
valve, wherein the light-shape adjusting element is located between the light source and the lens array, the illumination
beam propagates to the lens array and the light valve and is transferred to an image beam by the light valve, and a pupil
diagram of the image beam is elliptical shape; and

an imaging assembly disposed at a transmission path of the image beam for projecting the image beam.

US Pat. No. 9,503,700

PHOSPHOR WHEEL AND PROJECTOR HAVING THE PHOSPHOR WHEEL

CORETRONIC CORPORATION, ...

1. A phosphor wheel comprising:
a rotating disk having a first surface and a second surface opposite to the first surface, the first surface forming a coating
region and a non-coating region, wherein the second surface or the non-coating region of the first surface comprises a plurality
of recess portions, and a depth of each of the recess portions is less than a maximum thickness of the rotating disk; and

a wavelength converting layer formed on the coating region of the first surface for converting a light wavelength of a light
beam.

US Pat. No. 9,491,423

PROJECTION DEVICE

Coretronic Corporation, ...

1. A projection device, comprising:
a housing, having a front end portion, rear end portion opposite to the front end portion and a projection opening;
an optical engine, disposed within the housing and comprising a projection lens, a first light-emitting element, and a second
light-emitting element, wherein the projection lens is adapted to output an image beam through the projection opening, the
first light-emitting element and the second light-emitting element are respectively thermally coupled to a first coupling
portion and a second coupling portion of the housing, and the housing has a heat separation for separating the first coupling
portion and the second coupling portion; and

a power connector, connected to the rear end portion of the housing.

US Pat. No. 9,164,363

PROJECTION APPARATUS

Coretronic Corporation, ...

1. A projection apparatus, comprising: a casing, a motherboard, a power board, a light source, a fan, and a projection lens,
wherein the motherboard comprises:
a host circuit board, contained inside the casing;
a light valve, implemented on the host circuit board; and
a central processing unit (CPU), implemented on the host circuit board,
wherein the power board comprises:
a power circuit board, contained inside the casing; and
an alternating-current (AC)/direct-current (DC) power module, implemented on the power circuit board;
the light source contained inside the casing to generate an illuminating beam, wherein the light valve transforms the illuminating
beam into an image beam; and

the projection lens contained in the casing to transform the image beam into a projecting beam, wherein the power circuit
board is parallel to the host circuit board, and an optical axis of the projection lens is perpendicular to the host circuit
board and the power circuit board,

wherein the fan is contained inside the casing, and is used to generate an air circulation to flow through a space between
the host circuit board and the power circuit board, and wherein the air circulation sequentially flow through the space between
the host circuit board and the power circuit board, the fan, and the light source.

US Pat. No. 9,500,940

PROJECTOR AND BRIGHTNESS ADJUSTING METHOD THEREOF

CORETRONIC CORPORATION, ...

1. A projector comprising:
a light source module for emitting a light beam;
a color wheel module for being excited by the light beam emitted by the light source module to generate at least one color
light beam wherein a wavelength of the color light beam is different from a wavelength of the light beam;

a brightness adjusting device comprising a light sensor disposed on a transmission path of parts of the color light beam for
sensing a brightness value of parts of the color light beam generated by the color wheel module; and

a brightness processing module electrically connected to the light sensor and the light source module, wherein the brightness
processing module controls the light source module for adjusting the brightness value of the color light beam generated by
the color wheel module.

US Pat. No. 9,477,436

INTERACTIVE DISPLAY SYSTEM, OPERATION METHOD THEREOF, AND IMAGE INTERMEDIARY APPARATUS

Coretronic Corporation, ...

1. An interactive display system, configured to receive different image signals from a plurality of external electronic apparatuses
and display corresponding images, comprising:
an interactive display apparatus, comprising a display area and configured to sense an interactive event within the display
area in order to acquire interactive position information; and

an image intermediary apparatus, coupled to the interactive display apparatus via a first wireless channel in order to receive
the interactive position information, wherein the image intermediary apparatus is adapted to at least divide the display area
into a first frame region and identify the external electronic apparatuses in order to establish a correspondence relation
between the external electronic apparatuses and the image signals of the external electronic apparatuses, and display a first
image based on a first image signal among the image signals of the external electronic apparatuses on the first frame region
of the interactive display apparatus, and wherein the image intermediary apparatus is adapted to acquire first communication
identification information corresponding to the first image signal according to the correspondence relation and transmit a
coordinate corresponding to the interactive position information to a first external electronic apparatus corresponding to
the first communication identification information among the external electronic apparatuses when the interactive position
information indicates that the interactive event occurs on the first frame region.

US Pat. No. 9,470,887

COLOR WHEEL AND PROJECTION DEVICE

Coretronic Corporation, ...

1. A color wheel, adapted to be disposed at a transmission path of an illumination beam emitted from a light source of a projection
device, the color wheel comprising:
a disc suitable for rotating with respect to an axis, wherein the disc has a non-light converting region and a light converting
region, the disc has a first reference surface and a second reference surface opposite to the first reference surface, the
disc has a plurality of first disturbing portions and a plurality of second disturbing portions, the first disturbing portions
are located at the first reference surface and located in the non-light converting region, the second disturbing portions
are located at the second reference surface and located in the non-light converting region, and the first disturbing portions
and the second disturbing portions are structurally continuous relative to the disc.

US Pat. No. 9,467,669

WAVELENGTH CONVERSION MODULE AND PROJECTOR

Coretronic Corporation, ...

1. A wavelength conversion module, comprising:
a wavelength conversion device having at least one side surface; and
at least one heat dissipation airflow providing device having an outlet, wherein the outlet faces the side surface, the heat
dissipation airflow providing device is adapted to provide a heat dissipation airflow to the side surface from the outlet,
and a distance between a geometry center of an orthogonal projection of the outlet on the side surface and a geometry center
of the side surface is smaller than or equal to half of a maximum inner diameter of the outlet.

US Pat. No. 9,153,288

RECORDABLE DISPLAY APPARATUS

Coretronic Corporation, ...

1. A recordable display apparatus, comprising:
a displaying unit, for displaying an image frame according to a digital image signal;
a multimedia processor;
a converting unit, electrically connected to the multimedia processor and converting the digital image signal into a specific
image signal, wherein the specific image signal has a signal format acceptable by the multimedia processor;

a scaling unit, electrically connected to the displaying unit and the converting unit for receiving an image signal from a
host device and converting the image signal into the digital image signal in a signal format corresponding to the signal format
of the displaying unit, wherein the scaling unit simultaneously outputs the digital image signal to the display unit and the
converting unit; and

a sound-receiving unit, electrically connected to the multimedia processor for receiving an ambient sound to produce a sound
signal, wherein the multimedia processor integrates the specific image signal and the sound signal into an audio/video recording
data.

US Pat. No. 9,776,360

TRANSFER PRINTING APPARATUS AND MANUFACTURING METHOD OF LIGHT GUIDING FILM

CORETRONIC CORPORATION, ...

1. A manufacturing method of light guiding film, comprising:
providing a base film, wherein the base film has a light emitting surface and a bottom surface opposite to each other;
coating a first adhesive layer on the bottom surface of the base film;
providing a transfer printing roller, wherein a plurality of first transfer printing microstructures are provided on the transfer
printing roller;

performing transfer printing to the first adhesive layer on the bottom surface of the base film by the transfer printing roller
and curing the first adhesive layer, such that a plurality of first optical microstructures corresponding to the first transfer
printing microstructures is formed on the first adhesive layer;

providing a mold, wherein the mold has a first surface, and the first surface has a first concavity and a second concavity;
providing a stamper, wherein the stamper has a second surface, and a plurality of second transfer printing microstructures
are provided on the second surface;

disposing the stamper in the first concavity, such that the first surface and the second surface are coplanar;
coating a second adhesive on the first surface and the second surface;
pressing the light emitting surface of the base film onto the second adhesive layer by a pressing roller and curing the second
adhesive layer, such that the second adhesive are integrated with the light emitting surface and a taper corresponding to
the second concavity and a plurality of second optical microstructures corresponding to the second transfer printing microstructures
are formed on the second adhesive layer; and

cutting the base film to manufacture at least one light guiding film after the first optical microstructures, the taper and
the second optical microstructures are formed.

US Pat. No. 9,568,159

VEHICLE ILLUMINATION APPARATUS

CORETRONIC CORPORATION, ...

1. A vehicle illumination apparatus comprising:
at least one illumination light source providing an illumination beam; and
at least one light guiding lens comprising:
a first light transmissive surface projecting the illumination beam out of the at least one light guiding lens;
a second light transmissive surface opposite to and smaller than the first light transmissive surface;
an inner surrounding surface connected to the second light transmissive surface, the inner surrounding surface and the second
light transmissive surface collectively defining a containing space configured to accommodate the at least one illumination
light source; and

an outer surrounding surface connected to the inner surrounding surface and the first light transmissive surface, the outer
surrounding surface expanding toward the first light transmissive surface from a location where the inner surrounding surface
is connected to the outer surrounding surface, wherein the outer surrounding surface comprises a plurality of reflection regions,
each of the reflection regions comprises at least one light condensing region and at least one light diverging region, and
at least one step is between the reflection regions, wherein a light pattern of the illumination beam projected out of the
at least one light guiding lens is measured on a first reference plane intersecting an optical axis of the at least one illumination
light source at a point, and the measured light pattern is substantially distributed over one side of a reference line on
the first reference plane.

US Pat. No. 9,497,414

TELEPHONE WITH VIDEO FUNCTION AND METHOD OF PERFORMING VIDEO CONFERENCE USING TELEPHONE

Coretronic Corporation, ...

1. A telephone with a video function, comprising:
a projection module;
a network module, providing a network interface;
a video-audio capturing module, electrically connected to the network module and configured to capture an image and voice
of a local user, and accordingly generating a local video-audio data;

a conference module, providing a video conference function;
a processor, electrically connected to the projection module, the network module, the video-audio capturing module and the
conference module, wherein when the processor enables the video conference function of the conference module, the telephone
establishes a connection to a remote apparatus via the network interface of the network module, thereby receiving a remote
video-audio data of a remote user from the remote apparatus and transmitting the local video-audio data to the remote apparatus,
the local video-audio data comprises a local video data and a local audio data, and the remote video-audio data comprises
a remote video data and a remote audio data;

an image processing module in the telephone, the image processing module being electrically connected to the processor, for
performing an image processing to at least one of the local video data and the remote video data; and

an audio processing module in the telephone, the audio processing module being electrically connected to the processor, for
performing an audio processing to the remote audio data,

wherein the projection module is controlled by the processor so as to project an image corresponding to the remote video-audio
data onto a projection surface,

wherein the conference module comprises a memory which comprises a communication software, and the processor enables the video
conference function by executing the communication software,

wherein when the communication software is executed, the telephone is connected to a first server via the network interface
to perform an authentication procedure, when the authentication procedure is approved, the communication software provides
the local user with a permission to send a request for video conference to the remote user, when the local user sends the
request for video conference, the processor enables the video-audio capturing module, when the remote user confirms the request
for video conference, the communication software establishes a connection between the telephone and the remote apparatus on
the first server, and when the remote user confirms the request for video conference, the communication software establishes
a connection between the telephone and the remote apparatus on a second server.

US Pat. No. 9,341,337

VEHICLE HEADLIGHT DEVICE

Coretronic Corporation, ...

1. A vehicle headlight device, comprising:
a light guide plate having a light incident side, a light reflection side opposite the light incident side, a bottom surface,
and a light emitting surface opposite the bottom surface, wherein the bottom surface and the light emitting surface are both
connected between the light incident side and the light reflection side, a thickness of the light guide plate is gradually
increased from the light incident side to the light reflection side, and the light reflection side is provided with a parabolic
surface;

a light source device disposed on the light incident side, wherein the light source device is disposed to coincide with or
be near a focus point of the parabolic surface, and the parabolic surface reflects at least one light beam emitted from the
light source device to allow the light beam to propagate in an alignment direction; and

a light-pattern adjustment plate disposed on the light emitting surface of the light guide plate, wherein the light-pattern
adjustment plate has multiple grooves, the grooves are parallel to each other and arranged on a surface of the light-pattern
adjustment plate facing the light guide plate, and a longitudinal direction of the grooves is different to the alignment direction.

US Pat. No. 10,219,417

ELECTRONIC DEVICE HAVING BLOCKING ELEMENT

CORETRONIC CORPORATION, ...

1. An electronic device, comprising:an electronic module;
a casing, accommodating the electronic module; and
at least one air port, disposed on the casing to communicate the inside of the casing to the outside, the air port comprising:
a first inclined blocking element, having a plurality of first inclined openings, and the first inclined openings inclining relative to a horizontal direction; and
an appearance blocking element, disposed at a periphery of the first inclined blocking element in relation to the casing, and having a plurality of elongated aperture slots and a plurality of bending portions, wherein the elongated aperture slots are arranged in parallel, the bending portions are respectively disposed at the elongated aperture slots to interfere with a movement of airflow, and each of the bending portions extends inwards from a side of the corresponding elongated aperture slot and partially blocks an opening area of the corresponding elongated aperture slot, wherein each of the bending portions has a turning portion located in an inner space of the appearance blocking element.

US Pat. No. 9,851,891

INTERACTIVE PROJECTION SYSTEM AND PROJECTION METHOD THEREOF

Coretronic Corporation, ...

1. An interactive projection system, comprising:
a projection region;
a projection device, projecting an image beam to display a projection image on the projection region;
a touch device, having a touch sensing surface, and movably disposed on the projection region; and
a host, electrically connecting the projection device with the touch device, and configured to determine whether the touch
sensing surface is located inside the projection region, the touch sensing surface is located outside the projection region
or a part of the touch sensing surface is located inside the projection region,

wherein when the touch sensing surface is located inside the projection region, the host controls the projection device to
project a first input interface on the touch sensing surface, and when the touch sensing surface is located outside the projection
region, the host controls the projection device to stop projecting the first input interface and the host takes no action
in response to a touch operation on the touch sensing surface.

US Pat. No. 9,851,543

PROJECTION LENS ADJUSTMENT MODULE AND PROJECTOR USING THE SAME

CORETRONIC CORPORATION, ...

1. A projection lens adjustment module applicable to a projection lens, the projection lens comprising a first assembly and
a second assembly, and the projection lens adjustment module comprising:
a flexible connection line, having a first end and a second end opposite to each other;
an adjusting element, connected to the first end; and
a driving mechanism, connected to the second assembly and the second end, wherein when the adjusting element drives the first
end of the flexible connection line to move along a first direction thereby leading the second end of the flexible connection
line to move along a second direction non-parallel to the first direction, the second end of the flexible connection line
drives the second assembly of the projection lens to move along an optical axis direction of the projection lens relative
to the first assembly through the driving mechanism.

US Pat. No. 9,661,889

HEAD-MOUNTED DISPLAY DEVICE

Coretronic Corporation, ...

1. A head-mounted display device, comprising:
a belt body;
at least one buckle assembly disposed on the belt body and each of the buckle assembly comprising a base and a cover, wherein
the base is movably fixed to the belt body and the cover is detachably disposed on the base, wherein one of the base and the
cover comprises at least one sliding rail while the other comprises at least one sliding member corresponding to the at least
one sliding rail such that the cover is adapted to be slidably disposed on the base, and one of the base and the cover comprises
an arm and a hook protruding from the arm while the other comprises an engaging indent corresponding to the hook; and

at least one electronic module fixed to the at least one buckle assembly and each of the electronic module being disposed
on the corresponding cover, wherein the at least one electronic module comprises a display module, wherein the hook is adapted
to be engaged with the engaging indent to fix the cover to the base so as to fix the at least one electronic module to the
belt body, and when the arm is bent to disengage the hook from the engaging indent, the cover is adapted to be detached from
the base so as to separate the corresponding at least one electronic module from the belt body.

US Pat. No. 9,606,427

LIGHT SOURCE MODULE WITH LIGHT COMBINING SYSTEM, FANS AND DUCTS

Coretronic Corporation, ...

1. A light source module, adapted to a projector, comprising:
a light source, comprising a first light emitting device and a second light emitting device;
a light combining system, disposed between the first light emitting device and the second light emitting device;
a first cooling fan, disposed at a side of the first light emitting device;
a second cooling fan, disposed at a side of the second light emitting device;
a first guide duct, connected to the first cooling fan, and guiding a cooling airflow provided by the first cooling fan to
the second light emitting device; and

a second guide duct, connected to the second cooling fan, and guiding a cooling airflow provided by the second cooling fan
to the first light emitting device.

US Pat. No. 9,591,278

PROJECTION SYSTEM AND PROJECTION CONTROL METHOD

Coretronic Corporation, ...

1. A projection system, comprising:
a projection apparatus, configured to enter an operating mode from a sleep mode after receiving projection data, and project
an image light beam according to the projection data; and

a projection data providing apparatus, configured to determine whether an input operation is received, and transmit the projection
data to the projection apparatus if the input operation is received,

wherein after determining that the input operation is received, the projection data providing apparatus further searches for
the projection apparatus according to connection setting data for a wireless connection between the projection data providing
apparatus and the projection apparatus and transmits the projection data to the projection apparatus after the projection
data providing apparatus and the projection apparatus are connected with each other, and the projection apparatus enters the
operating mode from the sleep mode according to the projection data.

US Pat. No. 9,536,159

SMART GLASSES AND METHOD FOR RECOGNIZING AND PROMPTING FACE USING SMART GLASSES

Coretronic Corporation, ...

1. A method for recognizing and prompting a face, adapted for smart glasses having an image capturing unit, a storage unit,
and a display unit, wherein the storage unit stores a database recording a plurality of profile information and business card
information corresponding to each of the profile information, the method comprising:
capturing an image located in a field of view of the smart glasses via the image capturing unit;
recognizing at least one face appearing in the image captured by the image capturing unit;
comparing facial features of each of the recognized faces with the facial features of the profile information in the database
to find the profile information matching the facial features;

displaying the business card information corresponding to the profile information on the display unit if the profile information
matching the facial features is found; and

recognizing the business card information of a business card appearing in the image captured by the image capturing unit and
associating the recognized business card information with the recognized face if the profile information matching the facial
features is not found.

US Pat. No. 9,520,609

FUEL PROCESSOR AND HYDROGEN PURIFICATION DEVICE THEREOF

CORETRONIC CORPORATION, ...

1. A hydrogen purification device, applied to a portable power system of hydrogen energy, comprising:
a container having at least a filter material inside, wherein the filter material comprises an organic material and an inorganic
material;

a first opening structure disposed in the container, wherein hydrogen-rich gas mixture flows into the container via the first
opening structure and purified hydrogen gas is generated by conducting a reaction between the hydrogen-rich gas mixture and
the filter material; and

a second opening structure disposed in the container, wherein the purified hydrogen gas flows away from the container via
the second opening structure, wherein the organic material and the inorganic material dispose between the first opening structure
and the second opening structure, and the organic material is disposed on inner peripheries of the container and wraps the
inorganic material.

US Pat. No. 10,073,529

TOUCH AND GESTURE CONTROL SYSTEM AND TOUCH AND GESTURE CONTROL METHOD

Coretronic Corporation, ...

1. A touch and gesture control system, comprising:a light curtain generating module, disposed at a side of a display area, configured to generate a light curtain parallel to the display area and to form a touch zone;
an invisible light lighting module, configured to provide invisible light, wherein the invisible light is projected toward the display area to form a gesture control zone, and the touch zone and the gesture control zone are at least partially overlapped;
an image capturing module, configured to form a sensing region, wherein the sensing region at least covers the touch zone and the gesture control zone; and
a control unit, respectively electrically connected with the light curtain generating module, the image capturing module, and the invisible light lighting module and configured to execute a touch mode and a gesture control mode, wherein the control unit turns on the light curtain generating module and controls the image capturing module to capture a first set of images when executing the touch mode, and the control unit turns on the invisible light lighting module, and controls the image capturing module to capture a second set of images when executing the gesture control mode,
wherein when the control unit executes the touch mode, the image capturing module detects the sensing region to capture the first set of images, the control unit determines whether there is a touch signal according to the first set of images, and outputs a touch command if there is the touch signal, and executes the gesture control mode if there is no touch signal, and wherein when the control unit executes the gesture control mode, the image capturing module detects the sensing region to capture the second set of images, determines whether there is a gesture signal according to the second set of images, and executes the touch mode again if there is no gesture signal, the control unit determines whether time after outputting the previous touch command exceeds a predetermined value if there is the gesture signal, and executes the touch mode again if the time does not exceed the predetermined value, and the control unit identifies the gesture signal and outputs a gesture command if the time exceeds the predetermined value.

US Pat. No. 9,846,491

OPTICAL OBJECT POSITIONING APPARATUS AND POSITIONING METHOD THEREOF

Coretronic Corporation, ...

1. An optical object positioning apparatus, comprising:
an optical element, comprising a first surface and a second surface opposite to each other and perpendicular to a first axis,
having at least two light-passing regions, wherein the at least two light-passing regions are capable of letting light beams
coming from an object to be positioned pass through from the first surface to the second surface;

a light sensor, spaced by a predetermined distance from the optical element on a direction of the first axis, configured to
sense the light beams coming from the light-passing regions to correspondingly generate at least two light-sensing signals,
wherein the distance between the object to be positioned and the optical element on the direction of the first axis is positively
correlated to the predetermined distance; and

a processing unit, coupled to the light sensor, configured to receive the light-sensing signals and position the object to
be positioned according to the light-sensing signals and the predetermined distance,

wherein when a coordinate value of the first surface of the optical element on the first axis is 0, a coordinate value of
the object to be positioned on the first axis satisfies:


wherein X0 is the coordinate value of the object to be positioned on the first axis, g is the predetermined distance, ym1 and ym2 are respectively coordinate values of any two of the light-passing regions on a second axis, ys1 and ys2 are respectively coordinate information of the light-sensing signals corresponding to the any two of the light-passing regions
that is related to the second axis, and the second axis is perpendicular to the first axis.

US Pat. No. 9,746,965

LIGHT SOURCE DEVICE AND ADJUSTING METHOD THEREOF USING ADJUSTING MECHANISM

CORETRONIC CORPORATION, ...

1. A light source device, comprising:
a light source module, comprising:
a base;
a first light source, disposed on the base and adapted to emit an invisible light curtain, wherein the invisible light curtain
ranges over a display plane; and

at least two second light sources, disposed on the base and adapted to respectively emit a first visible light beam and a
second visible light beam, wherein the first visible light beam is parallel to the invisible light curtain, and the second
visible light beam is parallel to the invisible light curtain; and

an adjusting mechanism, disposed on the base and adapted to adjust relative positions of the base and the display plane, wherein
the first light source is adapted to be turned on while the second light sources are adapted to be turned off after a plane
formed by the first visible light beam and the second visible light beam is adjusted by the adjusting mechanism to be parallel
to the display plane.

US Pat. No. 9,749,605

PROJECTION APPARATUS

Coretronic Corporation, ...

1. A projection apparatus, comprising:
a projector body, configured to project an image onto a screen; and
a first ultrasonic sensor and a second ultrasonic sensor, disposed on the projector body, and respectively configured to measure
a distance between the projector body and the screen, wherein the projector body corrects the image in a first direction according
to the distances measured by the first ultrasonic sensor and the second ultrasonic sensor,

wherein the first ultrasonic sensor and the second ultrasonic sensor are disposed on a first reference line corresponding
to the first direction, and

wherein a space between the first ultrasonic sensor and the second ultrasonic sensor on the first reference line is greater
than a receiving range of the first ultrasonic sensor and the second ultrasonic sensor.

US Pat. No. 9,599,882

ILLUMINATION SYSTEM AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. An illumination system, comprising:
at least one laser source emitting a laser beam;
at least one anisotropic light expanding element located on a transmitting path of the laser beam, allowing the laser beam
to expand in a light expanding direction substantially parallel to a slow axis of the laser beam; and

a wavelength conversion element located on the transmitting path of the laser beam,
wherein the wavelength conversion element comprises at least one wavelength conversion area and at least one light transmission
area, the at least one wavelength conversion area and the at least one light transmission area are capable of moving, such
that the at least one wavelength conversion area and the at least one light transmission area insert into the transmitting
path of the laser beam by turns, the laser beam passing through the wavelength conversion element when the at least one light
transmission area inserts into the transmitting path of the laser beam, and the laser beam being converted into at least one
converted beam by the at least one wavelength conversion area when the at least one wavelength conversion area inserts into
the transmitting path of the laser beam.

US Pat. No. 9,581,879

LIGHT WAVELENGTH CONVERSION MODULE, ILLUMINATION SYSTEM, AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. A light wavelength conversion module, comprising:
a substrate, having a light passing-through area and a first light wavelength conversion area located at a side of the light
passing-through area;

a first light wavelength conversion layer, located at the first light wavelength conversion area, suitable for converting
a coherent light beam into a first conversion light beam, wherein wavelengths of the coherent light beam and the first conversion
light beam are different from each other; and

a first light transmissive layer, wherein the first light wavelength conversion layer is located between the first light transmissive
layer and the substrate, and the first light transmissive layer is capable of being passed through by the coherent light beam
and the first conversion light beam.

US Pat. No. 9,543,605

HYDROGEN GENERATING DEVICE AND POWER GENERATING EQUIPMENT

Coretronic Corporation, ...

1. A hydrogen generating device, comprising:
a first housing accommodating a solid reactant;
a porous structure disposed in the first housing;
a first flow-guiding structure having a first end portion and a second end portion opposite to the first end portion, wherein
the first end portion is connected to the porous structure, and the second end portion protrudes outside the first housing;
and

a heating unit connected to the second end portion, wherein a liquid reactant is adapted to be gasified to become a gaseous
reactant through the heating unit, and the gaseous reactant passes through the first flow-guiding structure to reach to the
porous structure and then is diffused from the porous structure into the first housing, so that the gaseous reactant and the
solid reactant react and generate a hydrogen gas.

US Pat. No. 9,485,610

BLUETOOTH DEVICE, PROJECTION DEVICE AND DATA TRANSMISSION METHOD

Coretronic Corporation, ...

1. A Bluetooth device used for data transmission between a plurality of peripheral devices including a first peripheral device
and a second peripheral device, the Bluetooth device comprising:
a processing circuit;
a Bluetooth chip, electrically connected to the processing circuit and configured to be capable of being operated in a transmitting
mode and a receiving mode for data transmitting and data receiving, respectively; and

a display unit electrically connected to the processing circuit,
wherein when the Bluetooth chip is operated in the transmitting mode through a control of the processing circuit, a first
communication link is established between the Bluetooth chip and the first peripheral device through a first communication
protocol,

wherein the processing circuit is configured to establish a second communication protocol and the second communication protocol
allows the Bluetooth chip operated in the receiving mode to perform a data synchronous transmission,

wherein when the Bluetooth chip is operated in the receiving mode through a control of the processing circuit, a second communication
link is established between the Bluetooth chip and the second peripheral device through a third communication protocol,

wherein the second peripheral device transmits a data to the Bluetooth chip through the second communication link and the
Bluetooth chip transmits, based on the second communication protocol, the received data to the first peripheral device through
the first communication link simultaneously,

wherein when being operated in the transmitting mode through the control of the processing circuit, the Bluetooth chip is
configured to search the plurality of peripheral devices and display a searching result as a searching list on the display
unit in a listing manner,

wherein when the first peripheral device is selected from the searching list, the Bluetooth chip is configured to issue a
first link request to the first peripheral device, and the first peripheral device responds a first link confirmation to the
Bluetooth chip thereby establishing the first communication link through the first communication protocol,

wherein the display unit is configured to display a ready-to-transmit-data information when the first communication link is
established.

US Pat. No. 9,915,810

PROJECTION APPARATUS AND PROJECTION LENS WITH THREE LENS GROUPS

Coretronic Corporation, ...

1. A projection apparatus, comprising:
an illumination system, providing an illumination beam;
a light valve, disposed on a transmission path of the illumination beam, and converting the illumination beam into an image
beam; and

a projection lens, disposed on a transmission path of the image beam, and having a screen side and an image side, and the
projection lens comprising:

a first lens group, disposed between the screen side and the image side, wherein the first lens group comprises a first lens,
a second lens, and a third lens arranged sequentially from the screen side to the image side, and refractive powers of the
first lens, the second lens, and the third lens are sequentially negative, negative, and positive;

a second lens group, disposed between the first lens group and the image side and having a positive refractive power, wherein
the second lens group comprises a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, and
a tenth lens arranged sequentially from the screen side to the image side, and refractive powers of the fourth lens, the fifth
lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, and the tenth lens are sequentially positive, positive,
negative, positive, positive, negative, and positive; and

a third lens group, disposed between the second lens group and the image side and having a positive refractive power, wherein
the third lens group comprises an eleventh lens and a twelfth lens arranged sequentially from the screen side to the image
side, refractive powers of the eleventh lens and the twelfth lens are sequentially positive and negative, and a distance between
the twelfth lens and the light valve is a constant, wherein a distance between the second lens group and the third lens group
at a wide-end is DW, a distance between the second lens group and the third lens group at a tele-end is DT, and 15.5<(DT/DW)<18.5.

US Pat. No. 9,740,367

TOUCH-BASED INTERACTION METHOD

CORETRONIC CORPORATION, ...

1. A touch-based interaction method, comprising:
detecting a first ending touch point signal generated when a user at a first location touches a first ending touch point on
a touch screen;

upon detection of a disappearance of the first ending touch point signal, displaying a shortcut icon on a first area on the
touch screen, wherein the first area is an area on the touch screen touched by the user locating at the first location;

upon the user touching the shortcut icon, hiding the shortcut icon from the touch screen, and then displaying a menu interface
on the touch screen, wherein the menu interface is located in the first area;

detecting a close menu touch point signal generated when the user touches the touch screen outside of the menu interface;
and

upon detection of the close menu touch point signal, hiding the menu interface from the touch screen.

US Pat. No. 9,915,863

PROJECTION APPARATUS AND ILLUMINATION SYSTEM

Coretronic Corporation, ...

1. A projection apparatus comprising:
an illumination system comprising:
a coherent light source device comprising a light emitting source and a light collimating element, the light emitting source
being adapted to emit at least one coherent light beam, the light collimating element being located on a transmission path
of the at least one coherent light beam from the light emitting source and collimating the at least one coherent light beam;

a light delivery module located on a transmission path of the at least one coherent light beam from the light collimating
element, the light delivery module comprising a first lens having a lens array surface, the lens array surface being adapted
to diverge any of the at least one coherent light beam from the light collimating element, wherein the lens array surface
comprises a plurality of curved surfaces arranged in an array, and the at least one coherent light beam passing through any
of the curved surfaces has a divergence angle greater than 0 degree and less than or equal to 4 degrees; and

a light wavelength conversion module arranged on the transmission path of the at least one coherent light beam from the light
delivery module and adapted to convert one portion of the at least one coherent light beam into a converted light beam, a
wavelength of the converted light beam being different from a wavelength of the at least one coherent light beam, the converted
light beam and the other portion of the at least one coherent light beam constituting an illumination beam;

a light valve arranged on a transmission path of the illumination beam to convert the illumination beam into an image beam;
and

a projection lens arranged on a transmission path of the image beam.

US Pat. No. 9,784,978

HEAD-MOUNTED DISPLAY

Coretronic Corporation, ...

1. A head-mounted display adapted to be worn by a user, comprising:
a shell;
a display generation unit disposed in the shell and comprising at least an optical engine and a mirror connected to the optical
engine, and the optical engine projecting at least one image on the mirror;

a processing unit disposed in the shell and electrically connected to the optical engine, wherein the processing unit is configured
to transmit at least one display signal to the optical engine, and the optical engine converts the display signal into the
at least one image;

at least one pressure sensor disposed in the shell and electrically connected to the processing unit, the pressure sensor
detecting an external force applied to the shell and outputting a pressure signal to the processing unit; and

a linkage mechanism electrically connected to the processing unit and connected to the display generation unit, wherein, when
the external force exceeds a preset value, the processing unit actuates the linkage mechanism to cause the mirror of the display
generation unit to move away from the user's face.

US Pat. No. 9,703,180

PROJECTION APPARATUS, LENS MODULE, AND LOCKING STRUCTURE

CORETRONIC CORPORATION, ...

1. A projection apparatus, comprising:
a light source, configured to provide a light beam;
a light valve, configured to convert the light beam into an image beam; and
a lens module, configured to convert the image beam into a projecting beam, the lens module comprises:
a lens; and
a locking structure, connected to the lens, the locking structure comprises:
a first plate;
a second plate, disposed between the first plate and the lens and firmly fixed to the lens, wherein a groove is formed between
the first plate and the second plate, and the groove has a plurality of withstanding holes arranged along a first direction;

a moving element, disposed between the first plate and the second plate, configured for movably abutting against one of the
withstanding holes; and

a first pushing element, in contact with the moving element, disposed between the moving element and the second plate, configured
for abutting against the moving element along a second direction unparallel to the first direction to cause the moving element
to abut along an extending direction of an optical axis of the lens, wherein the extending direction of the optical axis of
the lens is parallel to the second direction.

US Pat. No. 9,696,615

PROJECTOR AND LIGHT INTEGRATION ROD THEREOF

CORETRONIC CORPORATION, ...

1. A projector, comprising:
a light source configured to provide an illumination beam and comprising a light emitting area in a rectangular shape;
a light integration rod having a light incidence end and a light emission end opposite to each other, wherein the illumination
beam is emitted into the light integration rod through the light incidence end and emitted out from the light integration
rod through the light emission end, each of the light incidence end and the light emission end is in a rectangular shape,
the light incidence end has a first side and a second side, the light emission end has a third side and a fourth side, the
first side and the fourth side are parallel in a first direction, the second side and the third side are parallel in a second
direction, wherein the first side is longer than the second side, the third side is longer than the fourth side, the first
side is longer than the fourth side, the third side is longer than the second side, and the third side is longer than the
first side;

a light valve configured to convert the illumination beam projected on the light valve into an image beam; and
a projection lens disposed on a transmission path of the image beam, wherein a length of the light integration rod along the
first direction is decreased from the first side to the fourth side, and a length of the light integration rod along the second
direction is increased from the second side to the third side, so that a light-emission angle of the illumination beam on
the third side is smaller than a light-emission angle of the illumination beam on the fourth side, wherein the light emitting
area of the light source has a fifth side and a sixth side, and the fifth side is longer than the sixth side and the fifth
side is along to the first direction, and the sixth side is along the second direction, the fifth side is parallel in the
first direction, and the sixth side is parallel in the second direction, and the light valve comprises an active area, and
the active area is in a rectangular shape and has a seventh side corresponding to the third side and a eighth side corresponding
to the fourth side, and a length of the seventh side is longer than a length of the eighth side, wherein the fifth side of
the light emitting area corresponds to the eighth side of the active area in the first direction and the sixth side of the
light emitting area corresponds to the seventh side of the active area in the second direction.

US Pat. No. 9,633,623

DISPLAY DEVICE AND DISPLAY METHOD FOR DISPLAY DEVICE

Coretronic Corporation, ...

1. A display device, comprising:
a plurality of image input ports;
a receiving unit, coupled to the image input ports, and comprising at least one register, wherein the at least one register
stores a plurality of indicator bits corresponding to the image input ports, the indicator bits are adapted to indicate whether
the receiving unit receives an image signal from the image input ports corresponding to the indicator bits;

an image processing unit, coupled to the receiving unit, and adapted to actively read the indicator bits stored in the at
least one register to determine whether the receiving unit receives the image signal, wherein when the image processing unit
determines the image input port used for transmitting the image signal to the receiving unit, and determines that the receiving
unit receives the image signal from the image input port corresponding to a currently read indicator bit of the indicator
bits, the image processing unit and the receiving unit enter a synchronous processing period; and

a display unit, coupled to the processing unit, wherein during the synchronous processing period, an operation that the receiving
unit performs signal decryption and/or signal optimization to the image signal from the image input port corresponding to
the currently read indicator bit is synchronous to operations that the image processing unit receives the image signal from
the image input port corresponding to the currently read indicator bit and controls the display unit to display according
to the image signal.

US Pat. No. 9,544,553

PROJECTOR, COLOR WHEEL PROTECTION CIRCUIT, AND COLOR WHEEL PROTECTION METHOD

Coretronic Corporation, ...

1. A projector, comprising:
a color wheel;
a rotation speed detector, adapted to detect a rotation speed of the color wheel to generate a detection signal;
a controller, having a first input end for receiving the detection signal, and having a first output end for providing a first
light source control signal;

a protection circuit, having a second input end, a third input end, and a second output end, wherein the second input end
is electrically connected to the first input end of the controller and the rotation speed detector, the third input end is
electrically connected to the first output end of the controller, and the protection circuit comprises:

a resetting signal generator, receiving the detection signal through the second input end, comprising a rotation speed judgement
unit, and adapted to generate a resetting output signal according to the rotation speed of the color wheel judged by the rotation
speed judgement unit, wherein the rotation speed judgement unit is adapted to receive the detection signal through the second
input end to judge the rotation speed of the color wheel; and

a logic operator, having a first input, a second input and an output, receiving the first light source control signal transmitted
from the first output end of the controller through the first input and the resetting output signal transmitted from the resetting
signal generator through the second input, resetting the first light source control signal to a second light source control
signal according to the resetting output signal, and outputting the second light source control signal through the output,
wherein the first input of the logic operator is electrically connected to the first output end of the controller through
the third input end of the protection circuit, and the second input of the logic operator is electrically connected to the
resetting signal generator; and

a light source, controlled by the second light source control signal transmitted from the output of the logic operator to
provide an illumination beam to the color wheel, wherein the light source is electrically connected to the output of the logic
operator through the second output end of the protection circuit,

wherein when the rotation speed of the color wheel judged by the rotation speed judgement unit is less than a predetermined
speed, the resetting signal generator is adapted to make the resetting output signal transited to a second logic level from
a first logic level,

wherein when the rotation speed of the color wheel judged by the rotation speed judgement unit is equal to or greater than
the predetermined speed, the resetting output signal is at the first logic level, and

wherein the second light source control signal is the same as the first light source control signal and the second light source
control signal is adapted to turn on the light source when the resetting output signal is at the first logic level and when
the controller outputs the first light source control signal to turn on the light source, wherein the logic operator is adapted
to output the second light source control signal to turn off the light source when the resetting output signal is at the second
logic level.

US Pat. No. 10,095,096

PROJECTOR, LIGHT SOURCE CONTROLLER, AND LIGHT SOURCE CONTROL METHOD

Coretronic Corporation, ...

1. A projector, comprising:a first light source, adapted to provide a first light beam;
a wavelength conversion device, adapted to convert a wavelength of the first light beam into a plurality of converted wavelengths; and
a first light source controller, coupled to the first light source, and adapted to drive the first light source, wherein the first light source controller comprising:
a first controller, adapted to receive a synchronization signal, and adapted to generate a first enable signal and a plurality of first indication signals corresponding to the first enable signal according to the synchronization signal, wherein the synchronization signal has a working period, the first enable signal has a plurality of first pulses, and there is a first interval time between adjacent two first pulses; and
a first selector, coupled to the first controller, and adapted to receive a plurality of first control voltages, the first enable signal, and the first indication signals, and adapted to select one of the first control voltages according to the first enable signal and the first indication signals to generate a first light source control signal, wherein the first light source control signal is adapted to control a light-emitting intensity of the first light beam.

US Pat. No. 9,958,760

PROJECTION APPARATUS WITH HEAT DISSIPATING MODULE

Coretronic Corporation, ...

1. A projection apparatus, comprising:a housing, having a first side, a second side, a third side and a fourth side, wherein the first side and the second side are opposite to each other, the third side and the fourth side are opposite to each other, the third side and the fourth side are formed between the first side and the second side, the first side is provided with an air outlet, the second side is provided with a first air inlet, a containing space is defined in the housing and has a first area and a second area adjacent to the first area, the first area is formed close to the third side, the second area is formed close to the fourth side, and the housing is provided with a second air inlet in the first area;
a projection module, disposed in the housing and configured to project an image beam onto a display area, wherein the projection module comprises a light source module;
an electronic assembly, disposed in the housing and electrically connected to the projection module, wherein the electronic assembly is configured to drive the projection module; and
a heat dissipating module, comprising a first heat dissipating member, a second heat dissipating member, a third heat dissipating member, a first fan and a second fan, wherein the first heat dissipating member, the second heat dissipating member and the third heat dissipating member are connected to the light source module, the first heat dissipating member is disposed close to the air outlet, the second heat dissipating member is disposed in the first area, the third heat dissipating member is disposed in the first area and close to the second air inlet, the first fan is disposed in the first area and between the light source module and the first heat dissipating member, and the second fan is disposed in the second area and between the electronic assembly and the first heat dissipating member;
wherein the first heat dissipating member disposed between the first fan and the air outlet and disposed between the second fan and the air outlet, and there is no fan between the first heat dissipating member and the outlet.

US Pat. No. 9,921,671

TOUCH PROJECTION SCREEN AND MANUFACTURING METHOD THEREOF

Coretronic Corporation, ...

1. A touch projection screen, comprising:
a first substrate;
a plurality of first touch layers, disposed on the first substrate, wherein at least two of the first touch layers are arranged
adjacent to each other, each of the first touch layers comprises a first base layer and a first patterned electrode, and the
first patterned electrode is disposed on the first base layer;

a plurality of second touch layers, disposed on the first touch layers, wherein at least two of the second touch layers are
arranged adjacent to each other, each of the second touch layers comprises a second base layer and a second patterned electrode,
and the second patterned electrode is disposed on the second base layer; and

a reflective projection film, disposed on the second touch layers, wherein the reflective projection film covers all of the
second base layers and the second patterned electrodes of the plurality of second touch layers.

US Pat. No. 9,733,457

ZOOM LENS

Coretronic Corporation, ...

1. A zoom lens, comprising:
a first lens group, having a negative refractive power and comprising a first lens, a second lens, and a third lens arranged
in sequence from a magnified side to a minified side, wherein refractive powers of the first lens, the second lens, and the
third lens are respectively negative, negative, and positive; and

a second lens group, having a positive refractive power, disposed between the first lens group and the minified side, and
comprising a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, and a tenth lens arranged
in sequence from the magnified side to the minified side, wherein refractive powers of the fourth lens, the fifth lens, the
sixth lens, the seventh lens, the eighth lens, the ninth lens, and the tenth lens are respectively positive, negative, positive,
negative, positive, negative, and positive, the first lens and the tenth lens are aspheric lenses, and the second lens to
the ninth lens are spherical lenses.

US Pat. No. 9,720,215

ZOOM LENS

Coretronic Corporation, ...

1. A zoom lens, comprising:
a first lens unit having a negative refractive power, wherein the first lens unit is formed by a single lens;
a second lens unit having a positive refractive power;
a third lens unit having a negative refractive power;
a fourth lens unit having a positive refractive power;
a fifth lens unit having a positive refractive power;
a sixth lens unit having a negative refractive power; and
a seventh lens unit having a positive refractive power, wherein the first lens unit, the second lens unit, the third lens
unit, the fourth lens unit, the fifth lens unit, the sixth lens unit, and the seventh lens unit are arranged in order from
an object side to an image side and are disposed along an optical axis of the zoom lens, a distance between the seventh lens
unit and the image side is fixed, and the first lens unit, the second lens unit, the third lens unit, the fourth lens unit,
the fifth lens unit and the sixth lens unit are adapted to move along the optical axis and the first lens unit and the second
lens unit move in unison between the object side and the image side during zooming such that the distance between the first
lens unit and the second lens unit is fixed at all times during zooming, the distance between the first lens unit and the
second lens unit is variable during focusing, and the distance between all other adjacent lens units is variable during zooming.

US Pat. No. 9,697,728

PROJECTION SYSTEM, PROJECTION APPARATUS, AND METHOD FOR OPERATING PROJECTION APPARATUS

Coretronic Corporation, ...

1. A projection system comprising a projection apparatus and an electronic device external to the projection apparatus, the
projection apparatus comprising a sound control unit, a communication unit, and a projection unit, and the electronic device
comprising another communication unit, wherein the projection apparatus is adapted, to be controlled by the electronic device
or control the electronic device, to execute a corresponding operation according to a characteristic of a sound transmitted
between the sound control unit of the projection apparatus and the electronic device, and the corresponding operation according
to the characteristic of the sound comprises establishing a network connection between the projection apparatus and the electronic
device via the communication unit of the projection apparatus and the communication unit of the electronic device,
wherein the sound control unit is coupled to the projection unit and is adapted to control the projection apparatus or the
electronic device to execute the corresponding operation according to the characteristic of the sound transmitted between
the sound control unit and the electronic device,

wherein the sound control unit is coupled to the projection unit and is adapted to control the projection apparatus or the
electronic device to execute the corresponding operation according to the characteristic of the sound transmitted between
the sound control unit and the electronic device,

wherein the sound control unit comprises a sound input unit and a control unit, wherein the sound input unit is adapted to
receive a first sound signal coming from the electronic device, wherein the control unit is coupled to the sound input unit
and the projection unit, and is adapted to determine whether a characteristic of the first sound signal coincides with a default
characteristic, and is adapted to control the projection apparatus to execute a default operation corresponding to the default
characteristic if the characteristic of the first sound signal coincides with the default characteristic, and

wherein the default operation comprises unlocking the projection apparatus.

US Pat. No. 9,645,480

LIGHT SOURCE MODULE AND PROJECTION APPARATUS HAVING THE SAME

Coretronic Corporation, ...

1. A light source module, comprising:
a light source, configured to provide a beam;
a wavelength conversion module, configured to convert a part of the beam into a wavelength conversion beam and reflect a part
of the beam; and

a light combining unit, disposed between the light source and the wavelength conversion module, located on transmission paths
of the beam and the wavelength conversion beam, and comprising:

a splitting portion, wherein the beam emitted by the light source is transmitted to the wavelength conversion module after
passing through the splitting portion, the wavelength conversion beam converted by the wavelength conversion module is transmitted
to the splitting portion, and the splitting portion reflects the wavelength conversion beam; and

a wavelength reflecting portion, wherein a part of the beam is transmitted to the wavelength reflecting portion after being
reflected by the wavelength conversion module, the wavelength reflecting portion reflects only the part of the beam reflected
by the wavelength conversion module and transmitted to the wavelength reflecting portion, such that the part of the beam reflected
by the wavelength reflecting portion and the wavelength conversion beam reflected by the splitting portion are combined to
form an illumination beam.

US Pat. No. 9,568,814

SELF CLEANING AIR FILTER MODULE AND PROJECTION DEVICE USING THE SAME

CORETRONIC CORPORATION, ...

1. An air filter module, adapted to be used with a projection module and disposed to cover an air vent of the projection module,
the air filter module comprising:
a filter component, comprising:
a filter; and
a frame surrounding the filter; and
a cleaning unit, disposed to cover the air vent and configured to drive the filter component to move according to a cleaning-start
signal, the cleaning unit comprising:

a block component, configured to stop the filter component; and
a driving force generation assembly, comprising:
a drive unit, and
a movement unit, fixed on peripheral of the frame between the drive unit and the block component and the movement unit is
located outside the filter,

wherein a driving force is generated between the drive unit and the movement unit, for making the movement unit collide with
the drive unit directly, wherein collide means creating an impact after a separation between the movement unit and the drive
unit.

US Pat. No. 9,933,133

LIGHT ADJUSTING SHEET AND BACKLIGHT MODULE USING THE SAME

CORETRONIC CORPORATION, ...

1. A light adjusting sheet comprising: a base having a first surface and a second surface opposite to the first surface; and a first light adjusting structure layer disposed on the first surface of the base, the first light adjusting structure layer comprising a plurality of light adjusting structures, each light adjusting structure having a major axis, a minor axis and a thickness, wherein the major axis of each light adjusting structure is in parallel with an extending direction, a ratio of a length of the minor axis to a length of the major axis is between 0.093 and 0.6, and the thickness is between 2 ?m and 6 ?m, wherein the lengths of the major axes of the light adjusting structures, the lengths of the minor axes of the light adjusting structures and the thicknesses of the light adjusting structures are changed randomly.

US Pat. No. 9,915,856

PROJECTION APPARATUS AND LENS MODULE

CORETRONIC CORPORATION, ...

1. A projection apparatus, comprising:
a light source, configured to provide an illumination beam;
an optical engine module, comprising:
an optical engine housing; and
a light valve, accommodated in the optical engine housing, and configured to convert the illumination beam into an image light
beam; and

a lens module, configured to convert the image light beam into a projection beam, the lens module comprising:
a plate, having at least one first through hole;
a lens, fixed to the plate;
at least one slide assembly, disposed between the plate and the optical engine housing, wherein the plate is movably disposed
on the optical engine housing through the slide assembly; and

a first position adjusting device, comprising:
a first movable guide member, movably disposed between the plate and the optical engine housing; and
at least one first guide pillar, disposed on the first movable guide member and passing through the first through hole, wherein
the first movable guide member is configured to be forced to move towards a first axial direction, thereby making the first
guide pillar drive the plate to move on the slide assembly along the first axial direction relative to the optical engine
housing;

wherein the first through hole extends along a second axial direction, the plate further has at least one second through hole,
the second through hole extends along the first axial direction, and the second axial direction is substantially perpendicular
to the first axial direction.

US Pat. No. 9,910,346

ILLUMINATION SYSTEM AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. An illumination system, comprising:
a first laser light source, adapted to generate a first laser beam;
a diffusion sheet, located on a transmitting path of the first laser beam; and
a light integration rod, having a light entering surface and a light exiting surface, wherein the diffusion sheet is located
between the first laser light source and the light integration rod, the first laser beam from the diffusion sheet enters the
light integration rod through the light entering surface and exits the light integration rod through the light exiting surface,
and the light integration rod is adapted to convert the first laser beam into an illumination beam, and an area of the light
entering surface is greater than an area of the light exiting surface,

wherein the illumination system further comprises a second laser light source, a wavelength conversion element and a light
combining unit, wherein the second laser light source is adapted to generate a second laser beam, and the wavelength conversion
element is disposed on a transmitting path of the second laser beam to convert the second laser beam into at least one converted
beam, and the light combining unit is disposed on a transmitting path of the at least one converted beam from the wavelength
conversion element and a transmitting path of the illumination beam from the light integration rod.

US Pat. No. 9,897,906

PROJECTION SCREEN

Coretronic Corporation, ...

1. A projection screen, comprising:
a plurality of projection plates, wherein each of the projection plates has a projection surface and at least one connection
side, the projection surfaces of the projection plates lean against each other to be coplanar through the connection sides;

at least one fixing component, comprising two fixing sections connected with each other, wherein the two connection sides
leant against each other are respectively clipped at the two fixing sections, each of the projection plates comprises a plate
body and at least one first sidebar, each of the projection surfaces is formed at the corresponding plate body, and each of
the first sidebars is disposed at the corresponding connection side and clipped at the corresponding fixing section; and

at least one lap joint, lapping at the two first sidebars leant against each other.

US Pat. No. 9,897,907

ILLUMINATION SYSTEM AND PROJECTION APPARATUS

CORETRONIC CORPORATION, ...

1. An illumination system, comprising:
a coherent light source adapted to emit a coherent light beam;
a first light-combining element disposed on a transmission path of the coherent light beam;
an optical wavelength conversion module disposed on the transmission path of the coherent light beam transmitted from the
first light-combining element, the optical wavelength conversion module including a light passing-through area and a first
wavelength conversion area, the light passing-through area and the first wavelength conversion area cutting into the transmission
path of the coherent light beam in turn, the first light-combining element located between the coherent light source and the
optical wavelength conversion module, wherein when the coherent light beam irradiates the first wavelength conversion area,
the first wavelength conversion area of the optical wavelength conversion module converts the coherent light beam into a first
converted light beam and reflects the first converted light beam back to the first light-combining element, and a wavelength
of the first converted light beam is different from a wavelength of the coherent light beam;

a first auxiliary light source adapted to emit a first auxiliary light beam, a wavelength of the first auxiliary light beam
is different from the wavelength of the coherent light beam, wherein the first auxiliary light beam is transmitted to the
first light-combining element, and the first light-combining element combines the first auxiliary light beam and the first
converted light beam reflected from the optical wavelength conversion module, wherein the first auxiliary light source is
set to be turned on during a period when the coherent light beam irradiates the first wavelength conversion area of the optical
wavelength conversion module so that the first auxiliary light beam is combined with the first converted light beam reflected
from the optical wavelength conversion module through the first light-combining element, wherein when the first auxiliary
light source is turned on, the first auxiliary light beam is transmitted to the first light-combining element to be combined
with the first converted light beam, and a transmitting direction of the first auxiliary light beam is different from a transmitting
direction of the first converted light beam before the first auxiliary light beam and the first converted light beam are being
combined; and

a filtering module, adapted to filter the combined first converted light beam and the first auxiliary light beam to generate
a first light beam, and a light wavelength spectrum range of the first converted light beam is at least partially overlapped
with a light wavelength spectrum range of the first light beam, and a light wavelength spectrum range of the first auxiliary
light beam is at least partially overlapped with the light wavelength spectrum range of the first light beam, wherein the
first auxiliary light beam is transmitted to the filtering module through the first light-combining element without being
transmitted to the optical wavelength conversion module.

US Pat. No. 9,798,118

PROJECTION DISPLAY APPARATUS AND PROJECTION LENS MODULE THEREOF

Coretronic Corporation, ...

1. A projection display apparatus, comprising:
a light source module, configured to provide a light beam;
an optical engine module, disposed on a transmission path of the light beam, the optical engine module comprising:
a prism; and
a light valve, configured to convert the light beam emitted from the prism into an image beam; and
a projection lens module, disposed between a screen end and an imaging end and disposed on a transmission path of the image
beam, the projection lens module comprising:

a first lens group, disposed between the screen end and the imaging end, the first lens group comprising a first lens, a second
lens and a third lens sequentially disposed from the screen end to the imaging end and having negative, negative and positive
refractive powers, respectively; and

a second lens group, disposed between the first lens group and the imaging end and having a positive refractive power, the
second lens group comprising a fourth lens, a fifth lens and a sixth lens sequentially disposed from the screen end to the
imaging end and having negative, positive and positive refractive powers, respectively.

US Pat. No. 9,791,680

PROJECTION APPARATUS AND PROJECTION LENS

Coretronic Corporation, ...

1. A projection apparatus, comprising:
an illumination system, adapted to provide an illumination beam;
a light valve, disposed on a transmitting path of the illumination beam, and adapted to convert the illumination beam into
an image beam; and

a projection lens, disposed on a transmitting path of the image beam and between a screen side and an image side, and the
projection lens comprising:

a first lens group, having a negative refractive power, and comprising a first lens, a second lens, and a third lens arranged
in sequence from the screen side to the image side, wherein refractive powers of the first lens, the second lens, and the
third lens are respectively negative, negative, and positive; and

a second lens group, having a positive refractive power, disposed between the first lens group and the image side, and comprising
a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, and a tenth lens arranged in sequence
from the screen side to the image side, wherein refractive powers of the fourth lens, the fifth lens, the sixth lens, the
seventh lens, the eighth lens, the ninth lens, and the tenth lens are respectively positive, positive, negative, negative,
negative, positive, and positive, wherein a focal length of the first lens group and a focal length of the second lens group
are respectively F1 and F2, and 1 <|F1/F2|<1.5.

US Pat. No. 9,790,961

BLOWER AND METHOD FOR DECREASING EDDY NOISE

CORETRONIC CORPORATION, ...

1. A blower, comprising:
a fan frame, having an inlet and an outlet;
a fan wheel, disposed in the fan frame, and having a wheel hub;
a plurality of fan blades connected to a periphery of the wheel hub;
at least one induction element, disposed with the fan blades; and
a coil, disposed on the fan frame, adapted to drive the induction elements, such that the fan blades corresponding to the
induction elements swing back and forth to generate a vibration sound,

wherein a current is supplied to the coil of the fan frame to generate a magnetic field to drive at least one induction element
fixed to the fan blades according to a frequency, an amplitude and a phase of an eddy noise through a control circuit, so
as to drive the fan blade to swing back and forth to generate the vibration sound.

US Pat. No. 9,784,407

OPTICAL TOUCH SYSTEM, LIGHT CURTAIN GENERATING MODULE AND ADJUSTING STRUCTURE

CORETRONIC CORPORATION, ...

1. An adjusting structure, comprising:
a first plate;
a second plate, wherein the first and the second plates are opposite to each other, the second plate is adapted to couple
an optical element and comprises a first connection portion, a second connection portion, and a third connection portion;

a first connection element, having a first spherical portion and a first rod, wherein the first spherical portion is rotatably
coupled to the first connection portion of the second plate, and the first rod passes through and is engaged with the first
spherical portion and is rotatably fixed to the first plate;

a second connection element, having a second spherical portion and a second rod, wherein the second spherical portion is rotatably
coupled to the second connection portion of the second plate, and the second rod passes through and is engaged with the second
spherical portion and is rotatably fixed to the first plate; and

a third connection element, connected to the second plate and the first plate and having a third spherical portion, the third
spherical portion being rotatably coupled to the third connection portion of the second plate,

wherein the second connection portion and the third connection portion are located on a first axis, the first connection portion
and the third connection portion are located on a second axis,

wherein the first spherical portion is adapted to move with respect to the first rod to drive the second plate to rotate with
respect to the first plate about the first axis when the first rod rotates,

wherein the second spherical portion is adapted to move with respect to the second rod to drive the second plate to rotate
with respect to the first plate about the second axis when the second rod rotates, and

wherein the first axis is not parallel to the second axis.

US Pat. No. 9,740,001

WHEEL AND PROJECTION DEVICE USING THE SAME

CORETRONIC CORPORATION, ...

1. A wheel, comprising:
a wheel plate, comprising:
a first surface, forming a coating area and a non-coating area;
a second surface, opposite to the first surface;
a through hole, located in the coating area;
a first groove; and
a second groove, recessed from the second surface and protruding over the first surface, wherein a driver is assembled to
the second groove formed on the second surface to drive a rotation of the wheel plate; and

a wavelength conversion layer, formed within the coating area of the first surface to convert a wavelength of a light beam.

US Pat. No. 9,740,085

OPTICAL ELEMENT ADJUSTING APPARATUS AND PROJECTOR USING THE SAME

CORETRONIC CORPORATION, ...

1. An optical element adjusting apparatus, which is configured to support an optical element, comprising:
an adjusting base, comprising a first through hole, a second through hole, a third through hole, a support side and a rear
side opposite to the support side, wherein the first through hole, the second through hole and the third through hole pass
through the adjusting base from the rear side to the support side, the first through hole is disposed on a center of gravity
of the adjusting base, and an extension direction of a first straight line, which passes through the first through hole and
the second through hole, is different from an extension direction of a second straight line, which passes through the first
through hole and the third through hole;

a fixed base, comprising a plurality of coupling holes respectively corresponding to the first through hole, the second through
hole and the third through hole; and

a plurality of locking elements, passing through the first through hole, the second through hole and the third through hole
of the adjusting base respectively and coupled to the coupling holes respectively, so as to couple the adjusting base to the
fixed base, wherein the optical element is fixed on the support side of the adjusting base and the support side is away from
the fixed base.

US Pat. No. 9,756,275

IMAGE DISPLAY SYSTEM AND IMAGE PRESENTING METHOD THEREOF

Coretronic Corporation, ...

1. An image display system, comprising a display apparatus and an image presenting apparatus, wherein the display apparatus
is configured to receive an output image signal and generate an image frame, and the image display apparatus comprises:
a signal receiving module, obtaining a plurality of input image signals from a plurality of image sources outside the image
presenting apparatus;

an image processing module, coupled to the signal receiving module, receiving the input image signals, and generating the
output image signal according to at least one of the input image signals, wherein the image processing module is coupled to
the display apparatus to provide the output image signal; and

a control unit, coupled to and controlling the image processing module,
wherein the control unit receives a preview request, so as to simultaneously and timely present the input image signals of
all the image sources in a preview block of the image frame by using the image processing module, and the control unit further
receives a select request, so as to generate the output image signal according to at least one of the input image signals
that is selected,

wherein the image display system further comprises an input apparatus and the image presenting apparatus comprises a decoder,
wherein the input apparatus generates an input signal and transmits the input signal to the decoder to decode the input signal
and generate a decoded input signal, and the control unit receives the decoded input signal to determine whether the preview
request or the select request is received.

US Pat. No. 9,720,312

PROJECTION SCREEN AND MANUFACTURING METHOD OF PROJECTION SCREEN

Coretronic Corporation, ...

1. A projection screen, comprising:
a flexible substrate, having a first surface and a second surface opposite to each other;
a reflective layer, disposed on the first surface of the flexible substrate, wherein the reflective layer is a white, light
curing adhesive layer; and

a transparent coating layer, coated on the reflective layer, and the transparent coating layer having a pattern on a surface
opposite to the reflective layer, wherein a surface roughness of the surface of the transparent coating layer opposite to
the reflective layer ranges from 3 ?m to 3.5 ?m, the reflective layer comprises a plurality of optical microstructures on
a surface facing the transparent coating layer, and a thickness of the reflective layer is greater than or equal to 20 ?m.

US Pat. No. 9,594,233

ZOOM LENS

Coretronic Corporation, ...

1. A zoom lens, comprising:
a first lens group, having a negative refractive power, wherein the first lens group is disposed between an object side and
an image side and includes a first lens, and the first lens has a negative refractive power; and

a second lens group, having a positive refractive power, wherein the second lens group is disposed between the first lens
group and the image side and includes a second lens, a third lens, a fourth lens and a fifth lens sequentially arranged from
the object side to the image side, refractive powers of the second lens, the third lens, the fourth lens and the fifth lens
are positive, positive, negative and positive sequentially, wherein the first lens has a surface facing the object side, and
a radius of curvature of the surface facing the object side is R1, and |R1|>700 mm.

US Pat. No. 10,139,628

HEAD-MOUNTED DISPLAY

Coretronic Corporation, ...

1. A head-mounted display, comprising:a transparent display, adapted to emit an image light beam;
a first liquid crystal lens, disposed beside the transparent display; and
a second liquid crystal lens, wherein the transparent display is disposed between the first liquid crystal lens and the second liquid crystal lens, and the second liquid crystal lens is adapted to receive an ambient light beam, wherein the image light beam passes through the first liquid crystal lens by a phase changing of the first liquid crystal lens, and then the image light beam passes through a pupil, and wherein the ambient light beam passes through the second liquid crystal lens by the phase changing of the second liquid crystal lens of the head-mounted display, and then the ambient light beam sequentially passes through the transparent display, the first liquid crystal lens and the pupil,
and wherein a displayed image corresponding to the image light beam is adapted to be adjusted according to a dioptric value of the first liquid crystal lens by the phase changing of the first liquid crystal lens, and an image of the outside world corresponding to ambient light beam is adapted to be adjusted according to a dioptric value of the second liquid crystal lens by the phase changing of the second liquid crystal lens.

US Pat. No. 10,133,167

PROJECTION APPARATUS AND LIGHT SOURCE MODULE

Coretronic Corporation, ...

1. A projection apparatus, comprising:a light source module, adapted to provide an illumination beam, and comprising:
a light-emitting element string, having a first light-emitting portion, a second light-emitting portion, and a third light-emitting portion, wherein the first light-emitting portion, the second light-emitting portion, and the third light-emitting portion comprise a plurality of light-emitting elements connected in series;
a shunt module, coupled to the light-emitting element string, and comprising:
a first shunt circuit, connected in parallel with the first light-emitting portion to form a pair of first connection nodes on the light-emitting element string, and adapted to provide a first shunt path;
a second shunt circuit, connected in parallel with the second light-emitting portion to form a pair of second connection nodes on the light-emitting element string, and adapted to provide a second shunt path; and
a third shunt circuit, connected in parallel with the third light-emitting portion to form a pair of third connection nodes on the light-emitting element string, and adapted to provide a third shunt path, wherein at least one light-emitting element between the pair of the first connection nodes, at least one light-emitting element between the pair of the second connection nodes, and at least one light-emitting element between the pair of the third connection nodes are not completely the same; and
a control circuit, coupled to the light-emitting element string, the first shunt circuit, the second shunt circuit, and the third shunt circuit, and adapted to control the first shunt circuit, the second shunt circuit or the third shunt circuit to provide the first shunt path, the second shunt path or the third shunt path according to an output current of the light-emitting element string, wherein the light-emitting element string is adapted to provide the illumination beam through the first shunt path, the second shunt path or the third shunt path;
a light valve, located on a transmission path of the illumination beam, and adapted to convert the illumination beam into an image beam; and
a projection lens, located on a transmission path of the image beam.

US Pat. No. 10,133,172

LENS MODULE AND PROJECTOR USING THE SAME

Coretronic Corporation, ...

1. A lens module, comprising:a lens comprising an optical axis and an adjustment assembly, wherein the adjustment assembly rotates around the optical axis being as a rotation axis;
a first gravity sensor disposed on the adjustment assembly, wherein the adjustment assembly drives the first gravity sensor to rotate, the first gravity sensor has a first axis, a second axis and a third axis perpendicular to each other, the first gravity sensor is configured to perform a detection at different time points, the first axis of the first gravity sensor is parallel to the optical axis of the lens, and the first gravity sensor generates a first output at a first time point and a second output at a second time point;
a processor electrically connected to the adjustment assembly and the first gravity sensor, wherein the processor receives the first output and the second output from the first gravity sensor, the processor calculates a first angle of the first gravity sensor relative to a water level according to the first output and calculates a second angle of the first gravity sensor relative to the water level according to the second output, and the processor controls a focus adjustment of the lens according to the first angle and the second angle; and
a second gravity sensor, wherein the lens further comprises a lens housing extending along the optical axis, the adjustment assembly is disposed around the lens housing, and the second gravity sensor is disposed on the lens housing and electrically connected to the processor.

US Pat. No. 10,091,470

PROJECTION DEVICE AND LIGHT SOURCE DRIVING METHOD THEREOF

Coretronic Corporation, ...

1. A projection device, comprising a light source module, a driver, a luminance sensing element, and a controller, wherein the light source module is configured to provide an illumination beam, and the light source module comprises a blue light source, a red light source, and a color wheel module; the blue light source is configured to output a blue light beam, the red light source is configured to output a first red light beam, and the color wheel module is disposed on a transmission path of the blue light beam; the color wheel module is configured to convert the blue light beam to generate a second red light beam;the driver is electrically connected to the light source module, and is configured to drive the blue light source to output the blue light beam at a first power and a second power respectively, and drive the red light source to output the first red light beam at the first power and the second power respectively;
the luminance sensing element is configured to sense luminance of the first red light beam and the second red light beam output by the light source module, and correspondingly generate red light luminance information; and
the controller is electrically connected to the driver and the luminance sensing element, and the controller receives the red light luminance information sensed by the luminance sensing element, and is configured to calculate red light driving parameters of the red light source and the blue light source according to the red light luminance information,
the controller controls, according to the red light driving parameters, the driver to generate electrical signals for driving the blue light source and the red light source respectively, so as to maintain the sum of luminance of the first and second red light beams, output from the light source module, to be approximate to or equal to a target red light luminance.

US Pat. No. 10,015,415

LIGHT FIELD CAMERA

Coretronic Corporation, ...

1. A light field camera comprising:a lens module is located between an object side and an image side, and configured to generate a middle image;
a light field sensor comprising:
a lens array arranged between the lens module and the image side, and generating a light field image according to the middle image; and
an image sensor device arranged at the image side and configured to sense the light field image; and
a position adjuster configured to adjust a position of the light field sensor, wherein when the light field sensor is at a first position, the light field image comprises a first light field sub-image, and when the light field sensor is at a second position, the light field image comprises a second light field sub-image, wherein a relation between a focal length fMLA of the lens array and an exit pupil distance PEXP of the lens module satisfies:

US Pat. No. 9,977,316

PROJECTION APPARATUS AND ILLUMINATION SYSTEM THEREOF

CORETRONIC CORPORATION, ...

1. An illumination system, comprising:a light integration rod, comprising a light-in end, a light-out end opposite to the light-in end, and phosphor distributed between the light-in end and the light-out end; and
a light source module, configured to provide a laser beam to emit into the light integration rod through the light-in end thereof,
wherein the phosphor is adapted to convert the laser beam into a first color beam to form an illumination beam, and the illumination beam is adapted to emit out from the light integration rod through the light-out end thereof,
wherein the phosphor has one of distribution densities, the distribution densities comprise:
a distribution density of the phosphor gradually increasing from the light-in end to the light-out end;
a distribution density of the phosphor gradually decreasing from the light-in end to the light-out end;
a distribution density of the phosphor gradually increasing from the light-in end to a middle part of the light integration rod and then gradually decreasing from the middle part to the light-out end; and
a distribution density of the phosphor gradually decreasing from a middle part of the light integration rod to the light-out end.

US Pat. No. 9,977,317

ILLUMINATION SYSTEM AND PROJECTION DEVICE

Coretronic Corporation, ...

1. An illumination system, comprising:a plurality of laser light sources, providing laser lights of a plurality of different colors, wherein the laser light sources comprise a first laser light source, and the first laser light source is disposed on an optical axis;
a first color wheel element, disposed on the optical axis and on a transmission path of the laser lights;
a plurality of light combiners, disposed on the optical axis and between the first laser light source and the first color wheel element, and pervious to the laser lights or reflecting the laser lights, wherein the light combiners combine the laser lights on the optical axis; and
a second color wheel element, disposed on a transmission path of one of laser lights, adapted to convert the one of the laser lights into a color light, and outputting the color light to a first light combiner of the light combiners, wherein a wavelength of the color light is different from a wavelength of the one of the laser lights.

US Pat. No. 9,927,690

PROJECTION SCREEN

Coretronic Corporation, ...

1. A projection screen, adapted to receive an image beam, the projection screen comprising:a transparent substrate, having a first surface and a second surface opposing to each other;
a plurality of optical pillar structures, located at the first surface of the transparent substrate and arranged along a first direction, each of the optical pillar structures extending along a second direction;
a light-scattering layer, located at one side of the optical pillar structures and the optical pillar structures being disposed between the light-scattering layer and the transparent substrate;
a plurality of Fresnel structures, located at the second surface of the transparent substrate, wherein each of the Fresnel structures comprises a reflection surface and a transmissive surface and the reflection surface connects to the transmissive surface; and
a light-absorption layer, the Fresnel structures disposed between the transparent substrate and the light-absorption layer, wherein the image beam sequentially passes through the light-scattering layer, the optical pillar structures and the transparent substrate and travels to the reflection surfaces of the Fresnel structures, and is reflected by the reflection surfaces and then outputs from the projection screen, a half-gain angle of the projection screen at the first direction is in a range from 40 degrees to 85 degrees.

US Pat. No. 9,891,515

PROJECTION SCREEN

Coretronic Corporation, ...

1. A projection screen, having an image-source side, the projection screen comprising:
a substrate;
a plurality of Fresnel structures, located on a surface of the substrate facing the image-source side and arranged along a
first direction, wherein each of the Fresnel structures extends along a second direction; and

a protective layer, the Fresnel structures located between the substrate and the protective layer, and the protective layer
having a first surface facing the image-source side, wherein the first surface has a plurality of optical microstructures,

wherein the optical microstructures are orthographically projected on a reference plane to correspondingly form a plurality
of orthographic projection patterns on the reference plane, and each of the orthographic projection patterns has a first axis
and a second axis substantially perpendicular to each other,

wherein the first axis of each of the orthographic projection patterns passes through two end points having a maximum distance
in the first direction, the second axis of each of the orthographic projection patterns passes through two end points having
a maximum distance in the second direction, and each of the orthographic projection patterns is symmetric relative to at least
one of the first axis and the second axis,

wherein the optical microstructures are randomly distributed on the first surface of the protective layer, and a ratio between
a sum of surface areas of the optical microstructures orthographically projected on the first surface and a total surface
area of the first surface falls within a range between 80% and 100%.

US Pat. No. 10,120,269

PROJECTION APPARATUS WITH DEVICE FOR ADJUSTING PROJECTION ANGLE OF PROJECTION IMAGE

Coretronic Corporation, ...

1. A projection apparatus, comprising:a projection unit, comprising a light source, a light valve and a lens, wherein the light source is adapted to provide an illumination beam, the light valve is adapted to convert the illumination beam into an image beam, the lens is adapted to project the image beam so as to form a projection image;
a base, connected to the projection unit and comprising at least one first stopping portion; and
a pivoting member, pivoted to the base and comprising at least one second stopping portion, wherein the pivoting member is adapted to electrically connect to an external power supply device,
the base and the pivoting member are configured to adjust a projection angle of the projection image by relatively rotating the base and the pivoting member between a first stopping position and a second stopping position, wherein the first stopping position is 0 degree and the second stopping position is 350 degrees, and the at least one first stopping portion and the at least one second stopping portion are adapted to prop against each other as the base and the pivoting member relatively rotate with each other to the second stopping position, so as to stop the base and the pivoting member from relative rotation, wherein the pivoting member is able to remain electrically connected to the external power supply device as the base and the pivoting member relatively rotate with each other between the first stopping position and the second stopping position.

US Pat. No. 10,114,274

HEAT DISSIPATING MODULE HAVING TURBULENT STRUCTURES

Coretronic Corporation, ...

1. A heat dissipating module, adapted to use in a heat dissipation airflow along a flowing direction, comprising:a heat dissipation fin set, comprising a plurality of heat dissipation fins, wherein the heat dissipation fins are stacked on each other, each of the heat dissipation fins has a front side, a rear side opposite to the front side and at least one turbulent structure set, the turbulent structure set is located between the front side and the rear side and has a plurality of first turbulent structures, the first turbulent structures are arranged from the front side to the rear side in sequence, such that when the heat dissipating module used in the heat dissipation airflow, the heat dissipation airflow flows from the front side toward the turbulent structure set along the flowing direction, and passes through the turbulent structure set to flow toward the rear side, and an extending direction of each of the first turbulent structures is tilted relative to the flowing direction,
wherein the turbulent structure set further comprises a plurality of second turbulent structures, the second turbulent structures are arranged from the front side to the rear side in sequence and aligned with the first turbulent structures respectively, an extending direction of each of the second turbulent structures is tilted relative to the flowing direction, each of the first turbulent structures and the corresponding second turbulent structures are rendered in a V shape structure, each of the V shape structures has a narrow end, and each of the narrow ends face the front side,
wherein each of the first turbulent structures has a first end and a second end opposite to each other, each of the second turbulent structures has a third end and a fourth end opposite to each other, each of the first ends and the corresponding third ends constitute the corresponding narrow end, a distance between each of the narrow ends and the front side is smaller than a distance between the corresponding second end and the front side and smaller than a distance between the corresponding fourth end and the front side.

US Pat. No. 10,061,188

ILLUMINATION SYSTEM AND PROJECTION APPARATUS HAVING REFLECTION COVER

Coretronic Corporation, ...

1. A projection apparatus, comprising:an illumination system, comprising:
at least one light source, adapted to provide at least one excitation beam;
a reflection cover, having a focal point and an opening, wherein the focal point of the reflection cover is disposed on an extension line of a transmission path of the excitation beam, and the opening is disposed adjacent to the focal point;
a wavelength conversion element, penetrating through the opening, and having a light-action region, wherein the light-action region of the wavelength conversion element is disposed on the transmission path of the excitation beam, and is disposed adjacent to the focal point of the reflection cover, and is adapted to convert the excitation beam into a conversion beam, wherein the reflection cover is disposed on a transmission path of the conversion beam from the wavelength conversion element; and
a filter element, disposed on a transmission path of the conversion beam from the reflection cover, wherein the conversion beam from the reflection cover is obliquely incident to the filter element, and the filter element is adapted to filter the conversion beam into an illumination beam;
a light valve, disposed on a transmission path of the illumination beam, and adapted to convert the illumination beam into an image beam; and
an imaging system, disposed on a transmission path of the image beam,
wherein a surface of the reflection cover is a parabolic surface or a partial ellipsoidal surface having the focal point, and is adapted to reflect the conversion beam from the wavelength conversion element, wherein another focal point of the partial ellipsoidal surface is away from the wavelength conversion element and disposed adjacent to the filter element.

US Pat. No. 10,002,602

METHOD AND SYSTEM FOR REDUCING FAN NOISE AND ELECTRONIC DEVICE USING THE SAME

CORETRONIC CORPORATION, ...

1. A noise-reducing fan system, comprising:a motor;
a fan body, mounted on the motor, and the fan body adapted to be driven and rotated by the motor, wherein the fan body comprises a plurality of blades;
a plurality of magnetic-inducing elements, disposed on the plurality of blades, respectively;
a magnetic field generator, capable of generating a magnetic field, adapted to drive the plurality of magnetic-inducing elements to vibrate the plurality of blades and generate a vibration sound so as to counterbalance at least a portion of a noise emitted from the fan body as rotating; and
a noise-reducing sound source device, capable of sending out a noise-reducing sound, and the noise-reducing sound source device being disposed on a predetermined position, so that the noise-reducing sound counterbalances at least the other portion of the noise emitted from the fan body as rotating.

US Pat. No. 10,216,073

PROJECTION APPARATUS

Coretronic Corporation, ...

1. A projection apparatus, comprising:an illumination system, comprising a light source, wherein the light source provides an illumination beam;
a light valve, disposed on a transmission path of the illumination beam, the light valve comprising an image display surface, and configured to convert the illumination beam into an image beam;
an optical actuation element, disposed on a transmission path of the image beam, and configured to deflect a transmission direction of the image beam within a frame period; and
a projection lens, configured to receive the image beam coming from the optical actuation element, and projecting the image beam to a display medium to form an image frame on the display medium,
wherein the image display surface of the light valve comprises a first region and a second region, the first region comprises a plurality of first pixels configured to convert the corresponding illumination beam into a plurality of first sub-image beams, the second region comprises a plurality of second pixels configured to convert the corresponding illumination beam into a plurality of second sub-image beams, the first sub-image beams and the second sub-image beams form a part of the image beam,
a transmission path of one of the first sub-image beams in the optical actuation element is a first transmission path, a transmission path of one of the second sub-image beams in the optical actuation element is a second transmission path, and a length of the first transmission path is smaller than a length of the second transmission path,
wherein the projection lens has an optical axis, and the second region is closer to the optical axis of the projection lens relative to the first region.

US Pat. No. 10,216,331

TOUCH PROJECTION SYSTEM AND TOUCH SENSITIVITY ADJUSTING METHOD THEREOF

Coretronic Corporation, ...

1. A touch projection system, comprising:a projection apparatus, adapted to provide a projected image on a screen, wherein a size of the projected image varies according to a distance between the projection apparatus and the screen;
an invisible light emitter, adapted to generate an invisible light curtain parallel to the screen and form a touch area corresponding to the projected image;
at least two light emitting apparatuses, adapted to form a first light source and a second light source for generating fixed light beams;
a light detecting apparatus, disposed on the projection apparatus and adapted to capture an image frame, wherein the image frame comprises two light spots respectively formed by the first light source and the second light source and the projected image, and wherein the two light spots have a distance therebetween; and
a processing unit, coupled to the projection apparatus and the light detecting apparatus, wherein the light detecting apparatus is adapted to transmit a signal corresponding to the image frame to the processing unit, and the processing unit is adapted to calculate the distance between the two light spots in the image frame, and wherein the processing unit is adapted to determine the size of the projected image corresponding to the calculated distance according to a look-up table, and the processing unit is adapted to adjust a sensitivity of the light detecting apparatus for performing a touch detection on the projected image according to the determined size of the projected image.

US Pat. No. 10,215,388

LIGHT SOURCE MODULE AND PROJECTOR

Coretronic Corporation, ...

1. A light source module, comprising:a light emitting diode element, having a first electrode, a second electrode and a substrate, wherein the substrate has a top surface, and the top surface of the substrate is a light emitting surface;
a pin connector, disposed on the light emitting diode element and having two connection pins, wherein each of the connection pins has a first connection end and a second connection end, and the two first connection ends are disposed on and contact to the first electrode and the second electrode respectively; and
two power cords, respectively connected to the first electrode and the second electrode through the two connection pins, wherein each of the power cords comprises a joint and a wire connected to each other, each of the joints and the corresponding second connection end are mutually plugged along a first axial direction, each of the wires extends out from the corresponding joint along a second axial direction,
wherein the first electrode has a first flat surface, the second electrode has a second flat surface, each of the first connection ends has a third flat surface, the top surface of the substrate is parallel with the first flat surface, the second flat surface and the third flat surfaces, the first flat surface partially overlaps and contacts one of the third flat surfaces, and the second flat surface partially overlaps and contacts the other one of the third flat surfaces, wherein the third flat surfaces partially overlap and contact the top surface of the substrate at the first flat surface of the first electrode and the second flat surface of the second electrode,
wherein the pin connector has a base, the base is disposed on the substrate, and along a direction parallel to the second axial direction, a width of the substrate of the light emitting diode element is less than a width of the base of the pin connector.

US Pat. No. 10,216,018

VIEWING ANGLE CONTROL DEVICE AND VIEWING ANGLE CONTROLLABLE DISPLAY APPARATUS

Coretronic Corporation, ...

1. A viewing angle control device, comprising:at least one liquid crystal panel, wherein each of the at least one liquid crystal panel comprises two transparent conductive layers and a plurality of liquid crystal molecules located between the transparent conductive layers;
at least one compensation film, overlapped with the at least one liquid crystal panel; and
a plurality of polarizers, comprising:
at least one first polarizer, located between the at least one compensation film and the at least one liquid crystal panel; and
a second polarizer, located at a side of the at least one liquid crystal panel, the at least one compensation film and the at least one first polarizer, wherein when there is no potential difference between the transparent conductive layers, an optical axis of each of the liquid crystal molecules is parallel or perpendicular to a transmission axis of the at least one first polarizer, when there is potential difference between the transparent conductive layers, the optical axis of each of the liquid crystal molecules is inclined with respect to the transmission axis or an absorption axis of the at least one first polarizer.

US Pat. No. 10,101,644

ILLUMINATION SYSTEM AND PROJECTION APPARATUS

Coretronic Corporation, ...

1. An illumination system comprising a light source assembly, the light source assembly comprising:a first excitation light source, configured to provide a first excitation beam;
a second excitation light source, configured to provide a second excitation beam, wherein the first excitation beam and the second excitation beam have the same color;
a dichroic element, disposed between the first excitation light source and the second excitation light source;
a wavelength conversion element, disposed between the first excitation light source and the dichroic element, wherein the second excitation beam is transmitted to the dichroic element and is directed toward the wavelength conversion element by the dichroic element, and the wavelength conversion element is configured to convert the first excitation beam and the second excitation beam into a wavelength conversion beam and transmit the wavelength conversion beam toward the dichroic element;
a first collimating element, disposed between the wavelength conversion element and the dichroic element; and
a second collimating element, disposed between the second excitation light source and the dichroic element, wherein an area size of a light-exiting surface of the second excitation light source is the same as an area size of a light-exiting surface of the wavelength conversion element, respectively.

US Pat. No. 10,097,770

IMAGE CAPTURING APPARATUS AND IMAGE PROCESSING METHOD THEREOF

Coretronic Corporation, ...

1. An image processing method adapted to be executed by an image capturing apparatus comprised a processing circuit and a light field camera electrically connected with the processing circuit, the image processing method comprising:obtaining a first image and a second image by using the light field camera, wherein each of the first image and the second image comprises a plurality of sub-regions;
determining brightness of each of the sub-regions of the second image saturated or higher than a predetermined threshold;
recording the locations of the determined sub-regions of the second image;
performing a local brightness redistribution process on at least one of the sub-regions of the second image according to a brightness distribution of at least one of the sub-regions of the first image to obtain a third image; and
performing a global brightness redistribution process on the third image to obtain a fourth image.