Patent ID: 9478161
Filing Date: 2016-10-25
CPC Classification: G06K,G09G,H04N

Claim Text:
1. An image display system comprising: a camera part configured to take a picture of a user and configured to generate a user image signal; a user analyzer configured to receive the user image signal and configured to calculate a viewing direction of the user based on the user image signal; a gamma corrector configured to generate a correction gamma value based on the viewing direction; a gamma voltage generator configured to generate a gamma voltage based on the correction gamma value; and a display panel configured to display an image corresponding to the gamma voltage, wherein the image has a first luminance value when the viewing direction is a first viewing direction looking up at the display panel, the image has a second luminance value greater than the first luminance value when the viewing direction is a second viewing direction looking down at the display panel, wherein the gamma corrector is configured to generate a first gamma value when the viewing direction is the first viewing direction and to generate a second gamma value greater than the first gamma value when the viewing direction is the second viewing direction.