2007•Key engineering materialsOpen access

The Optimization of Directly-Under-Light Type Backlight Module Structure for Brightness Uniformity

Chi Feng Chen, Lea Ming Lu

Abstract

The optimization of the directly-under-light type backlight module structure for brightness uniformity is investigated. All structure parameters of the 32-inch LCD-TV backlight module are chosen by the ray-tracing method for the optimal brightness uniformity. It is shown that the brightness uniformity without optical sheets can be made as high as 87.3%.

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Available abstract

Key concepts: Backlight, Brightness, Light guide, Liquid-crystal display, Optics, Materials science, Ray tracing (physics), Optoelectronics