Design of Mosaic-form LED Backlight Module
A quadratic light-guide with micro-prismatic bump structures for illumination of the liquid crystal display (LCD) system has been developed. The functional light-guide combining with a side-emitting light-emitting-diode (LED) and a concentric prism sheet (CPS) is able to illuminate a uniformly square distribution over the LC panel. Through the assembly of these kinds of optical elements, the mosaic-form LED backlight module can be applied to any dimension of a panel associated with relational parameters with proportional quantities. According to our simulation, the proposed system can increase the output efficiency from roughly 50％ (without any optical elements) to 75％ and maintain the brightness uniformity of 88.3％ as well.
LED Backlight Micro-prismatic Bump Structure Mosaic-form
Yen-Hsing Lu Chung-Hao Tien
Department of Photonics & Institute of Electro-Optical Engineering,National Chiao Tung University, H Department of Photonics & Display Institute, National Chiao Tung University,HsinChu 30010, Taiwan, C
国际会议
上海
英文
1620-1624
2007-03-12（万方平台首次上网日期，不代表论文的发表时间）