LED Design Using for Large Dimension LCD Backlight

CHANG Jun; YANG Dong-sheng; SUN Zhi-hui; WENG Zhi-cheng; JIANG Hui-lin; REN Tao

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LED Design Using for Large Dimension LCD Backlight

更新时间：2020-08-11

- LED Design Using for Large Dimension LCD Backlight
- Chinese Journal of Luminescence Vol. 29, Issue 1, Pages: 195-199(2008)
- 作者机构：
  
  1. 北京京东方茶谷电子有限公司北京,100026
  2. 北京理工大学信息学院北京,100081
  3. 中国科学院长春光学精密机械与物理研究所,吉林长春,130022
  4. 长春理工大学,吉林长春,130022
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：25 August 2007，
  
  Revised：24 November 2007，
  
  Published：20 January 2008
- 稿件说明：
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常军, 杨东升, 孙智慧, 翁志成, 姜会林, 任涛. 应用在大尺寸LCD背照明的LED元件设计[J]. 发光学报, 2008,29(1): 195-199

CHANG Jun, YANG Dong-sheng, SUN Zhi-hui, WENG Zhi-cheng, JIANG Hui-lin, REN Tao. LED Design Using for Large Dimension LCD Backlight[J]. Chinese Journal of Luminescence, 2008,29(1): 195-199
常军, 杨东升, 孙智慧, 翁志成, 姜会林, 任涛. 应用在大尺寸LCD背照明的LED元件设计[J]. 发光学报, 2008,29(1): 195-199 DOI：

CHANG Jun, YANG Dong-sheng, SUN Zhi-hui, WENG Zhi-cheng, JIANG Hui-lin, REN Tao. LED Design Using for Large Dimension LCD Backlight[J]. Chinese Journal of Luminescence, 2008,29(1): 195-199 DOI：

摘要

传统的薄膜晶体管液晶显示器(thin film transistor liquid crystal display

TFT-LCD)通常采用冷阴极荧光灯(cold cathode fluorescent lamps

CCFL)作为背光光源。相比较而言

由于发光二极管(LED)TFT-LCD背光源系统色彩还原性好、对比度高、亮度高

其色域是传统CCFL背光源的150%以上

Abstract

Usually

CCFL is used as the back light sources for the traditional thin film transistor liquid crystal display. Now

among several light sources for LCD backlight

LED is the most competitive one. The paper analyses the performance of LED and designs a new LED for large area direct LCD backlight

which is simple and has a good performance. In order to test the LED designed by us

we design a 26′ LCD backlight finally. The simulation result indicates that the performance of the LED designed by us is good enough to meet the requirement of LCD backlight about luminance uniformity and color balance.

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