Journal of Applied Optics, Volume. 43, Issue 1, 137(2022)
Monolithically integrated LED light source with encapsulation of primary optical lens
Figures & Tables(14)
Fig. 2. Grid diagram of structural parameters of primary optical lens
Fig. 4. View of inverted mold used for preparation of primary optical lens
Fig. 6. White light LED light source with primary optical lens of different structures
Fig. 7. Top view of white light LED light source with primary optical lens
Fig. 8. Distribution curves of LED light source in polar coordinates under normalized optical field
Fig. 9. Spatial light color distribution curves of LED light source
Table 1. 50 W GaN-base blue light MI-LED chip parameters
View tableView in ArticleTable 1. 50 W GaN-base blue light MI-LED chip parameters
参数名称 参数指标 材料 GaN 峰值波长/nm 450 尺寸/mm 6.7 × 6.7 功率/W 50 电压/V 108 驱动电流/mA 450
Table 2. Structural parameters of primary optical lens
View tableView in ArticleTable 2. Structural parameters of primary optical lens
样品编号 L1/mm L2/mm R/mm H/mm 1 17.4 10 7.5 2 2 15.2 10 7.5 2 3 17.4 10 5.8 3 4 17.6 10.8 8.5 2
Table 3. Key parameters of simulated LED light source model
View tableView in ArticleTable 3. Key parameters of simulated LED light source model
参数名称 参数指标 芯片尺寸/mm 6.7 × 6.7 光线总数 20万 芯片辐射光场 均匀 透镜表面 完全透过 透镜材质 硅胶
Table 4. Light extraction efficiency of LED light source
View tableView in ArticleTable 4. Light extraction efficiency of LED light source
E1 E2 E3 E4 初始光提 取功率 /mW) 14244 13973 13590 13624 加一次透镜LED光源 的光输出功率 /mW 15410 15355 14573 14472 光提取效率/% 8.19 9.89 7.23 6.22
Table 5. Beam angles of simulated LED light source and experimental LED light source
View tableView in ArticleTable 5. Beam angles of simulated LED light source and experimental LED light source
仿真样品 光束角/(°) 实验样品 光束角/(°) S1 45 E1 48 S2 69 E2 72 S3 58 E3 60 S4 53 E4 55 无一次透镜 120
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Wenting TANG, Rui ZHANG, Baojin CHEN, Shuqi LI, Baoxing WANG, Yunfei SUN, Jiahua MIN, Saren QI, Yong CAI. Monolithically integrated LED light source with encapsulation of primary optical lens[J]. Journal of Applied Optics, 2022, 43(1): 137
Paper Information
Category: OPTICAL ELEMENT AND FABRICATION
Received: Jul. 22, 2021
Accepted: --
Published Online: Mar. 7, 2022
The Author Email: Shuqi LI (sqli@skytorch.cn)
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