Patent ID: 7358954
Filing Date: 2008-04-15
Classification: G09G

Abstract:
1. A backlight system for a display screen that includes an array of Liquid Crystal Display (LCD) devices including arrays of red, green and blue color filters thereon to provide red, blue and green color picture elements, the backlight system comprising: arrays of red, green, blue and cyanine Light Emitting Diode (LED) devices that are configured to radiate light of red, green, blue and cyanine colors in a light path that impinges on the display screen to provide backlighting on the display screen; and a synchronizer that is configured to synchronously activate and deactivate the arrays of green and blue LED devices and the arrays of green and blue color picture elements and to alternatingly synchronously activate and deactivate the array of cyanine LED devices and the arrays of red, green and blue color picture elements.