Patent ID: 9477327
Filing Date: 2016-10-25
CPC Classification: G06F

Claim Text:
1. A display device having a display surface on which an image is displayed, the display device comprising: a plurality of black lines defining a plurality of pixels for forming a display image to be displayed on the display surface, each of the plurality of black lines absorbs infrared light; a plurality of information patterns arranged so as to overlap the display surface, each of the plurality of information patterns indicating a position thereof on the display surface, wherein each information pattern is formed by using a plurality of marks provided so as to overlap the pixels, each mark is formed from a material that transmits visible light and absorbs or diffusedly reflects infrared light, the plurality of black lines including first lines extending in a first direction and second lines extending in a second direction, the first direction being perpendicular to the second direction, and each mark having a first length in the first direction and a second length in the second direction, where the first length and the second length of each mark is larger than a width of the thickest black line among the plurality of black lines defining the plurality of pixels.