本文针对直下式背光模组均匀性问题提出了一种无缝平凹透镜阵列。
A lens array used in straight down type is gived to improving the uniformity of backlight in the paper.
在分析LED性能的基础上，设计了一种用于大尺寸直下式背光源的LED，新设计的LED结构简单，性能优良。
Based on analysing the performance of LED, a new LED for large area direct backlight for LCD is designed, which is simple and has a good performance.
从结构上来说背光模组既可以采用侧光式也可以采用直下式。
The structure of backlight model can adopt side light type or straight down type.
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