Innovative Back Light Unit Design via Specular Reflection

• Main Authors: Yi-lung Lin, 林義隆
• Other Authors: Allen Jong-Woei Whang
• Format: Others
• Language: zh-TW
• Published: 2006
• Online Access: http://ndltd.ncl.edu.tw/handle/px3mgg

碩士 === 國立臺灣科技大學 === 電子工程系 === 94 === Display is among the most important in the nowadays significant opto-electric industry. Because the liquid crystal is not self-illuminated, it needs an outer light source to operate. Therefore, BLU is the most important part in LCD display and it had been developed several type of BLU carter to demand for market. BLU (Back Light Unit) plays an important role in display. Most of edge lighting BLUs use dot patterns or similar ways to gain uniformity via scattering. In this article, we use mirrors to achieve uniformity. Mirrors reduce the energy loss of source and easier to analyze. In this article, we employ the CCFL for light source of edge lighting BLU, and we use the specular reflection instead of dot patterns for uniformity. This method reduces the energy loss and is easier to analyze. Although parameters (relative position,θ…) adjusting is necessary, the proposed system is suitable for any reflector. As long as the reflected rays are concurrent, the proposal design is independent of reflectors shape and will achieve more uniformity and reduce energy loss.