Method for controlling luminance of backlight unit

Details Method for controlling luminance of backlight unit Method for controlling luminance of backlight unit

2005-05-27

2011-12-27

Wang, Quan-Zhen (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S089000

Reexamination Certificate

active

08085237

ABSTRACT:
A method for controlling luminance of an edge type backlight unit having a plurality of lamps at opposite sides of a light-guiding plate is provided that includes: analyzing luminance data for each frame of an image before outputting the image; selecting a backlight luminance level from a Look-Up Table LUT that classifies the luminance according to the analyzed luminance data; outputting lamp on/off control signals according to the selected luminance level; and providing lamp on/off signals to respective lamps according to the lamp on/off control signals.

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