FIELD: image forming devices.
SUBSTANCE: invention relates to display technology. Display panel includes an image display panel, optical sensor array on the image display panel, and a grid panel on the top of the optical sensor array. Optical sensor array includes a plurality of optical sensors placed in an array. Grid panel has an optical shading area that does not overlap with the optical reading area of optical sensors.
EFFECT: technical result is higher quality of images by increasing the contrast ratio and saturation of images obtained by optical sensors.
11 cl, 28 dwg
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