US Patent No. 9,591,259

DISPLAY DEVICE AND DISPLAY METHOD


Patent No. 9,591,259
Issue Date March 07, 2017
Title Display Device And Display Method
Inventorship Yutaka Arai, Tokyo (JP)
Assignee NEC Display Solutions, Ltd., Tokyo (JP)

Claim of US Patent No. 9,591,259

1. A display device comprising:
a display unit;
a determination unit that determines whether or not a video content based on an input video signal is monochrome or color;
and

a control unit that sets a display mode according to a result of the above determination and makes the display unit display
an image corresponding to the input video signal in the display mode, wherein:

when the video content based on the input video signal is color, the determination unit makes the display unit display the
image corresponding to the input video signal in a display mode corresponding to color display;

when the video content based on the input video signal is monochrome, the determination unit makes the display unit display
the image corresponding to the input video signal in a display mode corresponding to monochromatic display;

when the input video signal is monochrome, the determination unit further determines whether or not the video content based
on the input video signal is text or a graphic;

if the video content based on the input video signal is a graphic, the control unit makes the display unit display the image
corresponding to the input video signal a display mode corresponding to graphics; and

if the video content based on the input video signal is text, the control unit makes the display unit display the image corresponding
to the input video signal a display mode corresponding to text.