Patent ID: 6975369

Claim:
A color display device including: a light-transmissive liquid crystal display (LCD); a backlight arranged to illuminate the light-transmissive LCD, the backlight including at least first color component light emitting diodes (first color component LEDs), second color component light emitting diodes (second color component LEDs), third color component light emitting diodes (third color component LEDs), and white color component light emitting diodes (white LEDs); LED circuitry that cyclically alternates between powering the first color component LEDs to produce first color component backlighting, powering the second color component LEDs to produce second color component backlighting, powering the third color component LEDs to produce third color component backlighting, and powering the white LEDS to produce white light; and LCD circuitry that updates a display shown on the LCD, the updates being synchronized with color changes of the backlight.