• Acta Physica Sinica
  • Vol. 68, Issue 3, 038502-1 (2019)
Ping Xu, Wei Yang, Xu-Lin Zhang*, Tong-Zheng Luo, and Yan-Yan Huang
DOI: 10.7498/aps.68.20181684 Cite this Article
Ping Xu, Wei Yang, Xu-Lin Zhang, Tong-Zheng Luo, Yan-Yan Huang. Two-dimensional distribution design of micro-prism for partial integrated light guide plate[J]. Acta Physica Sinica, 2019, 68(3): 038502-1 Copy Citation Text show less
Diagram of partial integrated backlight module.集成化背光模组示意图
Fig. 1. Diagram of partial integrated backlight module.集成化背光模组示意图
Optimized two-dimensional distribution diagram of micro-prism on the bottom surface of PILGP: (a) Near the LEDs; (b) in the middle area; (c) far from the LEDs优化后的PILGP下表面微棱镜二维分布图 (a)近光源区; (b)中间区; (c)远光源区
Fig. 2. Optimized two-dimensional distribution diagram of micro-prism on the bottom surface of PILGP: (a) Near the LEDs; (b) in the middle area; (c) far from the LEDs优化后的PILGP下表面微棱镜二维分布图 (a)近光源区; (b)中间区; (c)远光源区
Simulation results of illuminance and luminance diagram of the output light from partial integrated backlight module with one-dimensional and two-dimensional distribution of micro-prism on the bottom surface of PILGP: (a) and (b) is respectively illuminance and luminance diagram with one-dimensional distribution of micro-prism; (c) and (d) is respectively illuminance and luminance diagram of two-dimensional distribution of micro-prism.PILGP下表面微棱镜分布分别为一维、二维时, 背光模组的出射光照度图、亮度图 (a), (b)微棱镜一维分布时的照度图和亮度图; (c), (d)微棱镜二维分布时的照度图和亮度图
Fig. 3. Simulation results of illuminance and luminance diagram of the output light from partial integrated backlight module with one-dimensional and two-dimensional distribution of micro-prism on the bottom surface of PILGP: (a) and (b) is respectively illuminance and luminance diagram with one-dimensional distribution of micro-prism; (c) and (d) is respectively illuminance and luminance diagram of two-dimensional distribution of micro-prism.PILGP下表面微棱镜分布分别为一维、二维时, 背光模组的出射光照度图、亮度图 (a), (b)微棱镜一维分布时的照度图和亮度图; (c), (d)微棱镜二维分布时的照度图和亮度图
项目结构参数
PILGP材料和尺寸PMMA, 116.3 mm × 68.7 mm × 0.5 mm
PILGP上表面结构高88.6 ${\text{μ}{\rm m}}$、宽180 ${\text{μ}{\rm m}}$、长116 mm的ASCMCS阵列, 密排
PILGP下表面结构底宽49 ${\text{μ}{\rm m}}$、长0.1 mm、 $\alpha$ = 50°、 $\beta$ = 90°的微棱镜单元
LED发光强度和尺寸6.6646 lm, 朗伯分布, 发散角110°, 1.2 mm × 2.5 mm × 0.4 mm
LED数量和间隔10个, 6.56 mm, 等间距分布于PILGP的短边
RF反射率95%
Table 1. Structural parameters of partial integrated backlight module.
性能参数微棱镜分布模式
一维二维
光能利用率/%91.6192.03
平均照度/Lux8519.08571.0
平均亮度/Nit6859.76394.6
照度均匀性/%76.7187.07
亮度均匀性/%91.1491.94
Table 2. Simulation results of partial integrated backlight modules with one-dimensional and two-dimensional distribution of micro-prism on the bottom surface of PILGP.
Ping Xu, Wei Yang, Xu-Lin Zhang, Tong-Zheng Luo, Yan-Yan Huang. Two-dimensional distribution design of micro-prism for partial integrated light guide plate[J]. Acta Physica Sinica, 2019, 68(3): 038502-1
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