大尺寸直下式LED液晶电视背光模组设计原理

大尺寸直下式LED液晶电视背光模组设计原理
The Design Principle of Large Size Direct Type LED LCD TV Backlight Module
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作　　者：何胜斌 佟小龙
He Shengbin, Tong Xiaolong （ Shenzhen MTC Co. , Lid, Shenzhen Gnangdong 518026, China）
机构地区：深圳市兆驰股份有限公司,广东深圳518026
出　　处：《山西电子技术》 2015年第1期 76-78页,共3页
Shanxi Electronic Technology
摘　　要：随着人们对图像的质量、尺寸、临场效果的要求提升,大尺寸的LED液晶电视越来越多的成为消费者首选。要使液晶屏能正确显示图像,电视背光模组的设计是关键。综合性能和成本,直下式电视越来越多的成为设计者在大尺寸电视的首选设计。设计者必须在设计之初,合理选择灯珠、设计匹配的透镜加上适当的光学器件组成直下式背光源,将LED这种点光源转化成均匀的面光源,同时保证必要的光能利用率和均匀性。
With the high requirement for image quality,size and presence,the large size LED TV becomes the first choice more and more. For making the LCD screen to display the proper image,the design of TV backlight module is the key. So considering the comprehensive performance and cost,the design of direct type TV is more and more selected by the designer. At the beginning,the designer must rationally select the lamp bead,design the matching lens and add the appropriate optical device to form the straight down type backlight source,and then change the LED which is the point light sources into the uniform surface light source,at the same time to ensure the necessary light energy utilization rate and uniformity.
关键词：直下式背光模组 LED灯珠 透镜 光学器件
straight down type backlight module of LED ; LED lamp ; lens ; optical devices ;

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