Patent ID: 8368628
Filing Date: 2013-02-05
Classification: G02F,G06F,G09G

Abstract:
1. A liquid crystal display (LCD) device comprising: a backlighting unit comprising a first light source of a first color, a second light source of a second color, and a third light source of a third color, the backlighting unit configured to illuminate, in a cycle, the first light source during a first time in the cycle, the second light source during a second time in the cycle, and the third light source during a third time in the cycle; a liquid crystal display panel comprising a plurality of pixels, wherein ones of the plurality of pixels are configured to permit passage of a percentage of light of the first color during the first time in the cycle, a percentage of light of the second color during the second time in the cycle, and a percentage of light of the third color during the third time in the cycle; at least one first optical sensor configured to sense at least one characteristic of each of the respective illuminations of the first color, the second color, and the third color; at least one second optical sensor configured to sense at least one characteristic of the combined light from illuminations of the first color, the second color, and the third color; and a controller configured to receive feedback signals from the at least one first optical sensor and the at least one second optical sensor, the controller configured to control the first light source, the second light source, and the third light source based on the feedback signals.