Citation: |
Fan Manning, Liang Meng, Wang Guohong. Packaging technology of LEDs for LCD backlights[J]. Journal of Semiconductors, 2009, 30(7): 076002. doi: 10.1088/1674-4926/30/7/076002
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Fan M N, Liang M, Wang G H. Packaging technology of LEDs for LCD backlights[J]. J. Semicond., 2009, 30(7): 076002. doi: 10.1088/1674-4926/30/7/076002.
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Abstract
We design a package patterned with red and green emitting phosphors excited by a blue LED to emit tri-basic mixing color. For high backlight display quality, we compare several phosphors. According to our measurements, green phosphors 0752G, 0753G and red phosphor 0763R are preferred for producing a good backlight source. Compared to RGB-LED backlight units, this frame typically benefits the lighting uniformity, and can simplify the structures. It also provides higher color render and better CCT than the traditional package method of a yellow phosphor with a blue chip. However, its light efficiency needs to be further improved for the use of backlights for LCDs.-
Keywords:
- LED package
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References
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Proportional views