High Light Direct Type BLU Design for Semi-outdoor LCD

Man-Ning Fan

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High Light Direct Type BLU Design for Semi-outdoor LCD

更新时间：2020-08-12

- High Light Direct Type BLU Design for Semi-outdoor LCD
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 2, (2011)
- 作者机构：
  
  上海蓝光科技有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：18 July 2011，
  
  Revised：21 September 2011，
  
  Published Online：28 September 2011，
  
  Published：06 April 2011
- 稿件说明：
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王新, 刘楠, 向嵘, 李野, 端木庆铎, 田景全. 溅射功率对NiO薄膜性质的影响[J]. 液晶与显示, 2011,26(2): 158-160

WANG Xin, LIU Nan, XIANG Rong, LI Ye, DUANMU Qing-duo, TIAN Jing-quan. Influence of Sputtering Power on Properties of NiO Thin Film[J]. , 2011,26(2): 158-160
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WANG Xin, LIU Nan, XIANG Rong, LI Ye, DUANMU Qing-duo, TIAN Jing-quan. Influence of Sputtering Power on Properties of NiO Thin Film[J]. , 2011,26(2): 158-160 DOI：

摘要

摘要：液晶显示日渐成为平板显示市场的主流，其重要部件背光源也越来越扮演者举足轻重的角色。近年来，新型光源LED在中大尺寸的液晶显示，如液晶电视、液晶展示屏等领域应用广泛，具有广阔的市场前景。本文开发了一款用于半户外液晶显示的46寸直下式背光结构，采用中功率高显色指数的LED光源，在不使用发散透镜的情况下，使得光源阵列的混光距离在25mm以内，中心亮度可达到20000nits以上。通过对LED阵列的光学以及驱动和散热设计，实现了一种具有高亮度、高显色画质、散热好、低成本的直下式背光源的方案设计，为户外和半户外液晶展示屏应用提供了有力支持。

Abstract

Abstract：LCD has gradually become the main trend in flat panel display

and its important component BLU(Back Light Unit)

also play an decisive part. Nowadays

new-generation light source LED has been more and more applied in middle-large LCD field

such as LCD-TV

LCD-Exhibit screen

showing a very nice market outlook. This article designs a 46’ direct type BLU for semi-outdoor LCD. Using 0.5W High-Ra LED and without the packaging lens

the optical length can be within 25mm and the centre lightness can get 20000nits above. By optical

drive and thermal design

we got a direct type BLU design with feature of high lightness

nice display quality

good heat dissipation and low-cost

giving strong support to outdoor and semi-outdoor LCD-Exhibit use.

关键词

Keywords

references

季旭东.LCD背光源产品的新发展[J].液晶与显示,2002,17(2):119-128[2]赵申苓.液晶显示器背光源驱动优化的探讨[J].液晶与显示,2006,21(2):165-168[3]Harbers G，Hoelen C G. A High performance LCD backlighting using high intensity red，green and blue light emitting diodes[J].SID Intl．Symp．Digest Tech．,2001,Papers:702-706[4]汪敏，夏咸军.新型LED背光源技术及应用[J].光电子技术,2005,25(4):267-270[5]Koichiro Kakinuma.Technology of wide color gamut backlight with light emitting diode for liquid crystal display television[J].Japan．J．App1．Phys,2006,45:4330-4334[6]OFweek半导体照明网.2013年背光用LED芯片需求将达544亿颗，[EB/OL][J].,2010-07-16, http://lights.ofweek.com/2010-07/ART-220008-8400-28425145.html[7]报告在线.2010-2011年全球及中国发光二极管（LED）行业研究报告，[EB/OL][J].,2011-03, http://www.51report.com/research/125995.html

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Related Institution

State Key Laboratory on Fiber Optic Communication Networks and Advanced Optical Communication Systems, Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200240, China, E-mail: shanewang@sjtu.edu.

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