Chinese Journal of Liquid Crystals and Displays, Volume. 38, Issue 7, 926(2023)
High colour rendering index and adjustable color gamut COB LED light source based on full blue light chips and fluorescent powder zoned coating
Fig. 4. Histogram of color rendering index of light source at different color temperatures
Fig. 6. Comparison of two RGB spectra at 5 000 K color temperature
Table 1. Color parameters of different driving current
View tableView in ArticleTable 1. Color parameters of different driving current
电流值 色温/K CIE 光通量/lm Ra A（红光）/mA B（绿光）/mA C（蓝光）/mA X Y 220 80 0 3 000 0.433 4 0.401 1 517.28 72.9 200 95 5 3 500 0.405 3 0.393 4 572.97 76.0 185 100 15 4 000 0.374 3 0.362 4 602.47 76.3 170 110 20 4 500 0.358 7 0.356 1 635.02 78.9 155 120 25 5 000 0.345 8 0.350 6 653.53 81.8 145 125 30 5 500 0.331 8 0.339 1 661.88 83.4 140 120 40 6 000 0.321 3 0.319 0 686.83 80.0
Table 2. Color rendering index of the two RGB colors at different color temperatures
View tableView in ArticleTable 2. Color rendering index of the two RGB colors at different color temperatures
CCT/K RGB样品光源 RGB芯片光源 3 000 72.9 34.2 3 500 76.0 39.6 4 000 76.3 38.9 4 500 78.9 42.3 5 000 81.8 43.6 5 500 83.4 43.3 6 000 80.0 44.5 均值 78.5 41.0
Get Citation
Copy Citation Text
Jian-ping LIU, Bing-qian LI, Zuo-jie WEN, Rong-rong ZHANG, Xin-guo JIANG, Zheng-hao XIA, Zhen-cong FENG. High colour rendering index and adjustable color gamut COB LED light source based on full blue light chips and fluorescent powder zoned coating[J]. Chinese Journal of Liquid Crystals and Displays, 2023, 38(7): 926
Category: Research Articles
Received: Feb. 9, 2023
Accepted: --
Published Online: Jul. 31, 2023
The Author Email: Bing-qian LI (467243635@qq.com)
