US Pat. No. 10,338,425

LIQUID CRYSTAL DISPLAY DEVICE AND ITS DISPLAY PANEL

HUIZHOU CHINA STAR OPTOEL...

1. A display panel comprising a first substrate, a second substrate, a polymer dispersed liquid crystal layer and a plurality of gridwall structures, wherein the first substrate and the second substrate are disposed opposite to each other, the polymer dispersed liquid crystal layer, the plurality of gridwall structures are disposed between the first substrate and the second substrate; the plurality of gridwall structures are spaced apart from each other in the polymer dispersed liquid crystal layer, and each of the gridwall structures comprises a transparent gridwall and a film structure covering a surface of the transparent gridwall; the film structure sequentially comprises a first to Nth film layers in a direction away from the transparent gridwall; the refractivity of any two adjacent film layers of the first to the Nth film layers are different, and the reflectivity of one surface of the film structure facing the transparent gridwall is higher than the reflectivity of one surface of the film structure facing away from the transparent gridwall.

US Pat. No. 10,660,203

DISPLAY AND CIRCUIT BOARD STRUCTURE THEREOF

HUIZHOU CHINA STAR OPTOEL...

1. A circuit board structure comprising a first circuit board, a second circuit board and a connection structure, the connection structure is disposed on the first circuit board, the second circuit board has gold fingers, the connection structure has pins corresponding to the gold fingers, the connection structure conducts the first circuit board and the second circuit board by connecting the pins with the gold fingers;wherein the second circuit board has an inserting section disposed at an end thereof, the connection structure has a first slot, the inserting section is located in the first slot, the gold fingers are disposed on the inserting section, and the pins are located in the first slot;
wherein the connection structure comprises a first fastening portion and a second fastening portion that are rotatably connected, the first fastening portion has a first recess, the second fastening portion has a second recess; when the first fastening portion is mated with the second fastening portion, the first recess and the second recess form the first slot, and the inserting section is sandwiched between the first fastening portion and the second fastening portion.

US Pat. No. 10,381,531

QUANTUM DOT LED AND MANUFACTURING METHOD FOR THE SAME

HUIZHOU CHINA STAR OPTOEL...

1. A quantum dot LED, comprising:a pair of electrodes disposed separately and side by side;
an LED chip disposed on the pair of electrodes and electrically connected to the pair of electrodes;
a quantum dot layer disposed on the LED chip;
a glue layer disposed on the quantum dot layer; and
an inorganic encapsulation layer that packages and covers the pair of electrodes, the LED chip, the quantum dot layer and the glue layers;
wherein the glue layer is disposed on a top surface of the quantum dot layer and interposed between the top surface of the quantum dot layer and the inorganic encapsulation layer, so as to form a layer that is in direct contact with the quantum dot layer for isolating the quantum dot layer from external moisture and oxygen and protecting the quantum dot layer against invasion of the external moisture and oxygen.

US Pat. No. 10,290,790

HIGH THERMAL CONDUCTIVITY QUANTUM DOT LIGHT EMITTING DIODE

HUIZHOU CHINA STAR OPTOEL...

1. A high thermal conductivity quantum dot light emitting diode, comprising a bracket, an light emitting diode chip fixed on the bracket and connected with the bracket and a silicon colloidal body located on an upper side of the light emitting diode chip; wherein an inorganic thin film package layer is wrapped outside the silicon colloidal body, and the inorganic thin film package layer fixes the silicon colloidal body and the light emitting diode chip;wherein a plurality of quantum dots and a plurality of high thermal conductivity parts are dispersed in the silicon colloidal body.

US Pat. No. 10,290,776

WHITE LIGHT EMITTING DIODE, MANUFACTURING METHOD AND APPLICATION THEREOF

HUIZHOU CHINA STAR OPTOEL...

1. A white light emitting diode, comprising a substrate, and a blue chip, a light emitting layer and an inorganic protective layer, which are sequentially disposed on the substrate, wherein a material of the light emitting layer comprises green phosphor powder, red quantum dots and a disperse medium, and the green phosphor powder comprises ?-AlON:Mn2+, Mg2+ green phosphor powder.

US Pat. No. 10,502,890

DISPLAY DEVICE AND WALL-MOUNTED HEAT DISSIPATION MECHANISM THEREOF

HUIZHOU CHINA STAR OPTOEL...

1. A wall-mounted heat dissipation mechanism for a display device, wherein an LED light bar is disposed at a light incident end of a light guide plate and opposite to the light guide plate, and the wall-mounted heat dissipation mechanism comprises:a heat dissipation plate comprising a longitudinal plate and a transverse plate bended to each other, the LED light bar is attached to an inner surface of the longitudinal plate, and the transverse plate is arranged opposite to a back surface of the light guide plate;
a hanger comprising a first hanger fixed on a hanging wall and two second hangers respectively fixed on two ends of the first hanger at intervals, the two second hangers are configured to detachably connect with the heat dissipation plate; and
a heat dissipation mechanism fixed on the first hanger and disposed between the two second hangers, the heat dissipation mechanism being in surface contact with a back surface of the heat dissipation plate.

US Pat. No. 10,495,925

BACKLIGHT MODULE AND DISPLAY DEVICE

HUIZHOU CHINA STAR OPTOEL...

1. A backlight module, comprising:a light guide plate;
a light source device configured to provide light to the light guide plate;
an optical film and a reflective film formed at two opposite sides of the light guide plate; and
a back plate covering outer sides of the reflective film;
wherein the light source device comprises a circuit board parallel to the light guide plate with a portion pressed directly on an upper surface of the light guide plate, and an LED lamp electrically connected to the circuit board and located at an outer side of a lateral surface of the light guide plate;
wherein a ladder structure is formed between an edge of the optical film and a surface of the light guide plate, and part of the circuit board extends to the ladder structure and presses the surface of the light guide plate;
wherein a double-sided thermal adhesive is sandwiched between the circuit board and the back plate, and a gap cavity is formed between the double-sided thermal adhesive and the lateral surface of the light guide plate, and the LED lamp is disposed in the gap cavity.

US Pat. No. 10,424,701

QUANTUM DOT (QD) LEDS, BACKLIGHT MODULES AND DISPLAYS

HUIZHOU CHINA STAR OPTOEL...

1. A quantum dot (QD) light emitting diode (LED), comprising:a support;
an LED chip;
at least one optical fiber layer; and
a packaging layer;
wherein:
the LED chip is fixed and connected with the support;
the at least one optical fiber layer is disposed on the LED chip, and the at least one optical fiber layer comprises optical fibers surrounding QDs; and
the packaging layer encapsulates the at least one optical fiber layer and the chip on the support;
the optical fibers are made by silicon dioxide.

US Pat. No. 10,598,972

LIQUID CRYSTAL PANEL PROTECTIVE COVER AND LIQUID CRYSTAL PANEL PACKAGING COMPONENT

HUIZHOU CHINA STAR OPTOEL...

1. A liquid crystal panel protective cover, comprising a cover body and a plurality of protectors, wherein a plurality of limiting portions are provided on an edge of the cover, the plurality of protectors are respectively fixed in the plurality of limiting portions, the protectors are configured to abut a packing tape strapped to the cover body;wherein the protectors are U-shaped protectors, shapes of the limiting portions are matched with shapes of the protectors, and the protectors are engaged with the limiting portions; and
wherein the cover body comprises a top wall, a bottom wall opposite to the top wall, and a sidewall connected between the top wall and the bottom wall; each of the limiting portions comprises a first groove located in the top wall, a second groove located on the side wall and connected to the first groove, and a third groove located on the bottom wall and connected to the second groove;
each of the protectors comprises a first fixing portion, a second fixing portion formed by bending one end of the first fixing portion, and a third fixing portion formed by bending one end of the second fixing portion;
the first fixing portion abuts a bottom of the first groove, the second fixing portion abuts a bottom of the second groove, and the third fixing portion abuts a bottom of the third groove.

US Pat. No. 10,598,982

LIQUID CRYSTAL DISPLAY SCREEN

HUIZHOU CHINA STAR OPTOEL...

1. A liquid crystal display screen, comprising a liquid crystal panel, a first functional layer disposed on an array substrate of the liquid crystal panel, a quarter-wave plate and a first polarizing layer sequentially stacked on the first functional layer, wherein the array substrate has a metal wire, the metal wire reflects ambient light sequentially passing through the first polarizing layer, the quarter-wave plate and the first functional layer and striking a surface of the metal wire; an included angle is between an optical axis of the quarter-wave plate and an absorption axis of the first polarizing layer so as to block the ambient light reflected by the metal wire in the first polarizing layer,wherein the first functional layer comprises an adhesive layer, a compensation layer and a second polarizing layer which are sequentially stacked, and the second polarizing layer is merged with the quarter-wave plate.

US Pat. No. 10,505,082

QUANTUM DOT LIGHT EMITTING DIODE AND MANUFACTURING METHOD

HUIZHOU CHINA STAR OPTOEL...

1. A quantum dot light emitting diode, comprising:a pair of electrodes, arranged side by side and spaced;
a flip chip light emitting diode, disposed on the electrodes and electrically connected to the electrodes;
a quantum dot interlayer, disposed on the flip chip light emitting diode;
a package layer, covering the electrodes, the flip chip light emitting diode and the quantum dot interlayer; and
an adhesive layer, surrounding the package layer;
wherein the quantum dot interlayer comprises: a quantum dot layer, and a lower barrier layer and an upper barrier layer, which are symmetrically disposed on an upper side and a lower side of the quantum dot layer.

US Pat. No. 10,656,325

LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE THEREOF

HUIZHOU CHINA STAR OPTOEL...

1. A backlight module, comprising: a back plate, a backlight source and a frame, the backlight source is disposed on the back plate, the frame comprises a fixing member and an adjusting member, the fixing member fixedly connects with the back plate, the adjusting member comprises two first rails disposed opposite to each other in a first direction and two second rails disposed opposite to each other in a second direction, the two first rails and the two second rails detachably connect with the fixing member, the two first rails and the two second rails are used for fixing the display panel,wherein the first rail comprises a first extending portion, a first connecting portion, and a second extending portion disposed along the first direction, the first extending portion and the second extending portion are respectively connected to two sides of the first connecting portion, the second extending portion is used for supporting the display panel,
wherein the second rail comprises a third extending portion, a second connecting portion, and a fourth extending portion disposed along the second direction, the third extending portion and the fourth extending portion are respectively connected to two sides of the second connecting portion and the fourth extension portion is used for supporting the display panel, and
wherein a plurality of first positioning portions are disposed on the first rail protruding toward the second extending portion, a plurality of second positioning portions are disposed on the second rail protruding toward the fourth extending portion, the first positioning portions and the second positioning portions are respectively located at a middle of the first rail and at a middle of the second rail, and a plurality of recesses are disposed between the first positioning portions and between the second positioning portions.

US Pat. No. 10,571,741

BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY

HUIZHOU CHINA STAR OPTOEL...

1. A backlight module, comprising a recessed back plate, a light bar, and an optical film;wherein the optical film is disposed on the back plate to form a storage space configured for accommodating the light bar;
an opening is disposed on a side of the back plate, and the opening is configured for receiving the light bar into the storage space and removing the light bar out from the storage space.

US Pat. No. 10,490,574

LOW-REFLECTION COMPOSITE ELECTRODE AND TFT ARRAY SUBSTRATE

HUIZHOU CHINA STAR OPTOEL...

1. A low-reflection composite electrode, comprising:a first metal layer;
a first transparent material layer; and
a second metal layer;
wherein the first metal layer, the first transparent material layer and the second metal layer are sequentially stacked, the thickness of the first metal layer is 2 nm˜15 nm, the thickness of the second metal layer is 200 nm˜500 nm, and the thickness of the first transparent material layer is 10 nm˜150 nm.

US Pat. No. 10,615,318

QUANTUM DOT LED

HUIZHOU CHINA STAR OPTOEL...

1. A quantum dot LED, comprising:a first bracket;
an LED chip fixed on the first bracket and connected to the first bracket;
a first inorganic barrier layer located on an upper side of the first bracket, wherein the first inorganic barrier layer encapsulates the LED chip on the first bracket;
wherein a groove is formed on the first inorganic barrier layer;
wherein a lens disposed above the first inorganic barrier layer and the first inorganic barrier layer enclose the groove into a closed space; and
wherein a silica gel body is disposed within the closed space, and multiple quantum dots are dispersed in the silica gel body;
wherein the groove is formed in the first inorganic barrier layer to have an opening in a top of the first inorganic layer and the opening is closed by the lens such that the closed space is delimited between the lens and the first inorganic barrier layer and the multiple quantum dots disposed in the silica gel body are completely enclosed by the lens and the first inorganic barrier layer.

US Pat. No. 10,597,215

PANEL FIXING DEVICE

HUIZHOU CHINA STAR OPTOEL...

1. A panel fixing device, comprising a box, a pressing member and an expansion agent, wherein an inner wall of a frame of the box is provided with a limiting groove, the pressing member is movably disposed in the limiting groove, the frame has a receiving through hole connecting with the limiting groove, the expansion agent is received in the receiving through hole;wherein a surface of the pressing member facing the receiving through hole is partially recessed to form a receiving groove, when the expansion agent is expanded, the expansion agent partially expands into the receiving groove to push the pressing member so that the pressing member compresses the panel accommodated in the box;
wherein an extending direction of the receiving through hole is parallel to the moving direction of the pressing member, one end of the receiving through hole penetrates an inner wall of the limiting groove facing the receiving groove, and the other end of the receiving through hole penetrates an outer wall of the frame; and
wherein the panel fixing device further comprises a sealing member for sealing one end of the receiving through hole located at the outer wall of the frame.

US Pat. No. 10,684,502

DISPLAY PANEL AND THE MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

HUIZHOU CHINA STAR OPTOEL...

1. A display panel, comprising:a first substrate;
a second substrate;
a chip on film; and
a shading array layer;
wherein the first substrate is opposite to and spaced from the second substrate, and the end of the first substrate extending beyond the second substrate forms a bonding end;
wherein the chip on film is bonded onto a surface of the bonding end facing the second substrate, and the first substrate is closer to a light output surface than the second substrate is; and
wherein an inner surface of the first substrate is provided with metal signal wires located in a non-pixel area, and the shading array layer is located in the non-pixel area and completely shades the metal signal wires,
wherein an inner surface of the second substrate is provided with color resistances formed in a pixel area and black matrices formed in the non-pixel area, and a combinative projection of the shading array layer and the black matrices on the second substrate is located in the non-pixel area and completely covers the non-pixel area;
wherein each black matrix fills in a gap between each adjacent color resistance;
wherein a thickness of a portion of the black matrices shaded by the shading array layer is smaller than a thickness of the rest of the black matrices.

US Pat. No. 10,684,506

DIRECT-TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY

HUIZHOU CHINA STAR OPTOEL...

1. A direct-type backlight module, comprising:a back frame, a backlight source, optical films, and an elastic rope;
the back frame comprising a first edge and a second edge opposite to the first edge, and a plurality of install pillars being uniformly arranged on the first edge and the second edge in sequence, the backlight source being arranged within the back frame, the elastic rope and the install pillars cooperatively defining a supporting net opposite to the backlight source, and the optical films being arranged on the supporting net; and
an elastic hook, and a fixing pillar corresponding to a front end or a tail end of the elastic rope, the fixing pillar is fixed on the back frame, one end of the elastic hook connects to the fixing pillar, and the other end of the elastic hook connects to the front end or the tail end of the elastic rope.

US Pat. No. 10,611,096

GLUE-INJECTION DEVICE AND LOCK-UP METHOD

HUIZHOU CHINA STAR OPTOEL...

1. A glue-injection device for locking a to-be-connected component, comprising a main part with a glue-injection tube, a cavity connected with the glue-injection tube being provided on one end surface of the main part, and a glue-injection head connected with the glue-injection tube and protruded in and toward the cavity being provided at a connection between the glue-injection tube and the cavity,wherein, the glue-injection head is disposed in the cavity when the glue-injection head is connected with the glue-injection tube.

US Pat. No. 10,606,109

DISPLAY DEVICE

HUIZHOU CHINA STAR OPTOEL...

1. A display device, comprising a display panel, a driving circuit, a chip on film, and an outer frame, wherein the outer frame comprises a bottom frame and a side frame, the driving circuit is located between the display panel and the bottom frame, the display panel comprises a TFT array substrate, the TFT array substrate comprises a display portion and a bending portion, the display portion is disposed opposite to the bottom frame, the bending portion is disposed opposite to the side frame, and the bending portion is connected to the driving circuit through the chip on film,wherein the display device further comprises a plastic frame disposed between the TFT array substrate and the bottom frame, the plastic frame comprise a horizontal portion and a vertical portion, the horizontal portion is located between the display portion and the bottom frame and is adhered to the display portion, the bending portion is located between the vertical portion and the side frame, and the vertical portion is adhered to the bending portion,
wherein the display panel further comprises a backlight module, the backlight module comprises a backplane, a backlight source and a light guide plate, the backlight source is disposed on the backplane, and the backlight source and a light incident surface of the light guide plate are opposite to each other,
wherein the backplane comprises a bottom plate and a side plate, the vertical portion is located between the side plate and the bending portion, the side plate is adhered to the vertical portion, the light guide plate is disposed above the bottom plate, and the driving circuit is disposed on a surface of the bottom plate facing the bottom frame.

US Pat. No. 10,606,135

LIQUID CRYSTAL PANEL, METHOD FOR FABRICATING THEREOF AND DISPLAY APPARATUS

HUIZHOU CHINA STAR OPTOEL...

1. A liquid crystal panel, comprising: a color filter substrate, an array substrate, liquid crystal disposed between the color filter substrate and the array substrate, a chip on film, a driver chip and a circuit board disposed on the chip on film, wherein an end of the chip on film is bonded to an end face of the array substrate, and is electrically connected to a metal line array in the array substrate, another end of the chip on film is bonded to the circuit board;wherein an end face of the color filter substrate protrudes past the end face of the array substrate to form a protrusion portion, and the chip on film is blocked by the protrusion portion of the color filter substrate.

US Pat. No. 10,571,745

QUANTUM DOT FILM, BACKLIGHT UNIT USING SAME, AND LIQUID CRYSTAL DISPLAY THEREOF

HUIZHOU CHINA STAR OPTOEL...

1. A quantum dot film for use in a backlight unit, comprising:a first protective film;
a second protective film;
a quantum dot material layer; and
a transmission/reflection film;
wherein the first protective film and the second protective film are disposed in opposite to each other, and the quantum dot material layer is interposed between the first protective film and the second protective film, and wherein the transmission/reflection film is disposed at the side of the second protective film facing away from the first protective film, and the transmission/reflection film is used to reflect a part of an incident red light, a part of an incident green light and a part of an incident blue light, and transmit the other part of the incident red light, the other part of the incident green light and the other part of the incident blue light.

US Pat. No. 10,663,799

BACKLIGHT MODULE AND LCD

HUIZHOU CHINA STAR OPTOEL...

1. A backlight module, comprising: a cavity, a reflecting cover, a light source and an auxiliary light-guiding diffusion structure;the cavity comprising: a reflective surface, a mounting surface connected to the reflective surface, and a light-emitting surface connecting the reflective surface and the mounting surface;
the light source being a light-emitting diode, the reflecting cover being mounted on the mounting surface, and the light source being disposed inside the reflecting cover;
the reflective surface having an accumulation area and a non-accumulation area outside the accumulation area, and the light source emitting a light directly onto the reflective surface or reflected by the reflecting cover and then incident on the reflective surface, and the light incident to the accumulation area having a density greater than the density of light incident into the non-accumulation zone;
the auxiliary light-guiding diffusion structure being disposed on the reflective surface and located in the accumulation area, and at least a portion of light incident into the accumulation area, after being diffused by the auxiliary light-guiding diffusion structure, emitting towards a direction with respect to the accumulation area away from the light source;
wherein the reflective surface comprises a bottom surface and three side surfaces, the bottom surface is spaced apart from the light-emitting surface, the three side surfaces and the mounting surface surround the bottom surface and are connected to the bottom surface, the light-emitting surface are connected to the three side surfaces and the mounting surface.

US Pat. No. 10,613,381

DIFFUSION PLATE AND DIRECT-TYPE BACKLIGHT MODULE

HUIZHOU CHINA STAR OPTOEL...

1. A diffusion plate, comprising:a first structure layer, a second structure layer and a third structure layer disposed from top to bottom sequentially, wherein a side of the third structure layer far from the second structure layer is a light incident side;
defining a refractive index of the first structure layer as n1, a refractive index of the second structure layer as n2, and the refractive index of the third structure layer as n3, and n1 a contact surface between the first structure layer and the second structure layer in close contact, a contact surface between the second structure layer and the third structure layer in close contact;
wherein a plurality of first grooves are provided on a surface of the second structure layer in contact with the third structure layer, a plurality of first protrusions are provided on a surface of the third structure layer in contact with the second structure layer, shapes and sizes of the first protrusions coincide with shapes and sizes of the first grooves, respectively;
wherein a hollowed portion of the first groove is a part of an ellipsoid, specifically less than or equal to one-half of the ellipsoid, the ellipsoid is a geometric body surrounded by an ellipse rotating around a long axis of the ellipse, the long axis of the ellipsoid is parallel to the second structural layer; and
an opening of the first groove is oval, defining a length of a long axis of the opening of the first groove is d1, a distance from a lowest point of the first groove to the opening is h1, and h1

US Pat. No. 10,522,610

DISPLAY DEVICE WITH HEMISPHERICAL PARTICLES ON CHIP-ON-FILM SURFACE, AND MANUFACTURING METHOD THEREOF

Huizhou China Star Optoel...

1. A display device having an active area and a wiring area, the display device comprising:a chip-on-film having a first surface and a second surface opposite to the first surface, wherein the first surface is connected to the active area and configured to provide a driving signal to the active area, a plurality of particles are provided on the second surface; and
a sealant covering and being in contact with the particles;
wherein the particles are hemispherical and configured to improve an adhesion between the chip-on-film and the sealant.

US Pat. No. 10,503,008

QUANTUM DOT (QD) LAMPS AND DISPLAYS

HUIZHOU CHINA STAR OPTOEL...

1. A quantum dot (QD) lamp, comprising:an elongated glass tube having two closed ends, the elongated glass tube comprising an LED light bar, two ends of the LED light bar respectively configured with one electrode, and the electrode respectively protruding from the two ends of the glass tube;
wherein an inner wall or an outer wall of the glass tube are coated with QD phosphors; and
the LED light bar comprises a circuit substrate, a plurality of LED chips disposed on the circuit substrate, and a silica gel layer configured to encapsulate the LED chips on the circuit substrate, wherein radiating particles are dispersedly disposed in the silica gel layer, and inverted cones are formed in the silica gel layer corresponding to the top of each of the LED chips such that middle light of each of the LED chips forms broad angle light by reflection of the inverted cones, wherein the circuit substrate is a transparent flexible printed circuit and a reinforcing layer is further disposed on the silica gel layer, and the reinforcing layer is a glass substrate or a Sapphire substrate to reinforce the LED light bar.

US Pat. No. 10,698,152

MANUFACTURING METHOD OF DISPLAY MODULE SUITABLE FOR FAST CURING OF GLUE AND EASY FOR REWORK

HUIZHOU CHINA STAR OPTOEL...

1. A manufacturing method of display module, comprising:providing a backplate, performing a first-time dispensing on bottom of the backplate;
providing a two-color molding middle frame, the middle frame comprising three sidewalls connected in sequence to form an accommodating space, a bottom portion or a middle portion of each sidewall vertically extending into the accommodating space to form a protruding portion; the sidewalls being colored, and the protruding portion comprising a colorless transparent portion;
placing the middle frame and a backlight assembly on the backplate so that the colorless transparent portion of the protruding portion being placed on the first-time dispensing glue, and the colorless transparent portion facing the backlight assembly, and the backlight assembly being in the accommodating space; the backlight assembly comprising a reflective sheet, a light-guiding plate, and an optical film, all sequentially stacked on the backplate;
performing a second-time dispensing on upper surface of the colorless transparent portion of the protruding portion; placing a display panel on the backlight assembly with the display panel located on the second-time dispensing;
using an ultraviolet (UV) curing light to irradiate incident surface of the light-guiding plate, with the ultraviolet light transmitted to the first-time dispensing and the second-time dispensing to cure glue at dispensing positions;
wherein after curing the glue, the method further comprises:
removing the UV curing light, placing a light bar on the incident surface of the light-guiding plate;
placing a batten between the display panel and the light-guiding plate to be located outside the light bar;
placing a front frame outside the batten, with the display panel partially protruding into the front frame to complete preparation of the display module.

US Pat. No. 10,698,258

LIQUID CRYSTAL DISPLAY DEVICE AND SPLIT-TYPE BACKLIGHT MODULE

HUIZHOU CHINA STAR OPTOEL...

1. A liquid crystal display device, comprising:a display panel comprising an incident surface;
a base utilized to support the display panel, the base comprising a groove, and an edge of the display panel embedded in the groove;
a split-type backlight module disposed corresponding to the incident surface of the display panel and spaced apart from the display panel at a predetermined distance; and
the split-type backlight module comprising a backplate, a light source plate, a diffusion plate, and an optical film, which are laminated with one another, and a light collecting plate disposed at a side of the optical film far away from the backplate, wherein the light collecting plate has a structure of two end openings and comprises a plurality of side plates surrounding the optical film, the plurality of side plates are obliquely disposed at a predetermined angle on and surround edges of the optical film, and one of the two end openings adjacent to the optical film is smaller than or equal to the other end opening far away from the optical film;
wherein light emitted from the light source plate passes through the diffusion plate and the optical film to form a uniform surface light source projected onto the display panel, and an edge portion of the display panel is provided with a circuit board disposed in the groove.

US Pat. No. 10,766,684

LIQUID CRYSTAL PANEL PACKAGING BOX WITH TEMPERATURE REGULATING FUNCTION

HUIZHOU CHINA STAR OPTOEL...

1. A liquid crystal panel packaging box with a temperature regulating function, comprising:a box body; and
a plurality of temperature regulators;
wherein the box body comprises a frame, and a plurality of accommodating parts are spaced on an inner wall of the frame, the temperature regulators are arranged in the accommodating parts so as to release or absorb heat as an outside temperature changes to keep an internal temperature of the box body balanced;
wherein each of the temperature regulators comprises a shell with a hollow interior and a phase change material filled in the shell, the shell comprises a main body and a protrusion disposed on a surface of the main body, the main body and the protrusion both have a hollow interior, a shape of the accommodating parts is matched with that of the shell, the shell is inserted into the accommodating parts, and the main body and the protrusion both abut an inner wall of the accommodating parts.

US Pat. No. 10,740,889

METHOD AND SYSTEM FOR DETECTION OF IN-PANEL MURA BASED ON HOUGH TRANSFORM AND GAUSSIAN FITTING

HUIZHOU CHINA STAR OPTOEL...

1. A method for detection of in-panel mura based on Gaussian fitting and Hough transform, comprising:S1, acquiring an original gray-scale image;
S2, acquiring a binarized image according to the gray-scale image;
S3, performing an edge detection via Hough transform to crop edges of the gray-scale image according to a start point of a straight line of the binarized image; and
S4, performing histogram statistics on the cropped gray-scale image, fitting the histogram to a Gaussian function, and detecting an in-panel mura result according to the fitting parameters.

US Pat. No. 10,775,535

COMPOSITE DIFFUSER AND ULTRA-THIN DIRECT TYPE BACKLIGHT MODULE

HUIZHOU CHINA STAR OPTOEL...

1. A composite diffuser plate comprising a light-emitting layer for emitting light, a middle layer for guiding light, and a light-entering layer for entering light, which are sequentially stacked from top to bottom, wherein at least one surface of the middle layer is provided with an array of curved protrusions, a refractive index of the light-emitting layer is less than a refractive index of the middle layer, and the refractive index of the middle layer is less than a refractive index of the light-entering layer;wherein each of the curved protrusions is same to the others, the curved protrusions are separate from each other, there is a gap between two adjacent curved protrusions, and gaps between two adjacent curved protrusions have a same width.

US Pat. No. 10,775,550

OPTICAL FILM, BACKLIGHT MODULE, AND DISPLAY DEVICE

HUIZHOU CHINA STAR OPTOEL...

1. An optical film configured on a top of a light guide plate, wherein the optical film is made of at least one quantum dot (QD) material, and the optical film is filled with a plurality of diffusion particles configured to uniformly distribute incident light toward different angles,wherein the optical film comprises a first QD film layer and a second QD film layer stacked on a surface of the first QD film layer, the first QD film layer being made of a first QD material, the second QD film layer being made of a second QD material that is different from the first QD material.

US Pat. No. 10,746,628

METHOD OF MEASURING OPTICAL PARAMETERS OF POLARIZER AND MEASURING DEVICE

HUIZHOU CHINA STAR OPTOEL...

1. A method of measuring optical parameters of a polarizer, wherein the polarizer comprises a compensation film and a PVA layer, and the measuring method comprises:in a first state, providing an incident linearly polarized light to pass through the compensation film and the PVA layer sequentially, acquiring a first measurement parameter and a second measurement parameter when a brightness of light emitted from the polarizer is lowest and is highest;
in a second state, providing the incident linearly polarized light to pass through the PVA layer and the compensation film sequentially, acquiring a third measurement parameter and a fourth measurement parameter when a brightness of light emitted from the polarizer is lowest and is highest; and
acquiring optical parameters of the compensation film and/or the PVA layer in the polarizer according to one or more of the first measurement parameter, the second measurement parameter, the third measurement parameter, and the fourth measurement parameter, the optical parameters comprise any one or more of a dark state brightness, a contrast, and a polarization degree.

US Pat. No. 10,746,916

BACKLIGHT MODULE AND LCD DEVICE

HUIZHOU CHINA STAR OPTOEL...

1. A backlight module, comprising a light guide plate and a light source located at a distance to a side of the light guide plate, whereinthe light source comprises a substrate, a plurality of LED chips, a plurality of primary lenses, a plurality of condenser lenses, an insulation layer disposed on the substrate, a reflection layer disposed on the insulation layer, and a protection layer disposed on the reflection layer;
a plurality of vias penetrates the insulation layer, the reflection layer, and the protection layer;
the substrate comprises a plurality of injection gates along a side of the substrate;
the LED chips are respectively disposed in the injection gates and vias, and contact with the substrate;
the primary lenses are respectively disposed in the injection gates and vias on the LED chips inside, and contact with the substrate; and
the condenser lenses are respectively disposed in the vias on the primary lenses inside, and contact with the substrate.