• Acta Physica Sinica
  • Vol. 68, Issue 21, 218501-1 (2019)
Xu-Lin Zhang, Wei Yang, Tong-Zheng Luo, Yan-Yan Huang, Lei Lei, Gui-Jun Li, and Ping Xu*
DOI: 10.7498/aps.68.20190854 Cite this Article
Xu-Lin Zhang, Wei Yang, Tong-Zheng Luo, Yan-Yan Huang, Lei Lei, Gui-Jun Li, Ping Xu. Two-dimensional distribution expressions of micro-prism on bottom surface of partial integrated light guide plate[J]. Acta Physica Sinica, 2019, 68(21): 218501-1 Copy Citation Text show less
Diagram of partial integrated backlight module.集成化背光模组结构示意图
Fig. 1. Diagram of partial integrated backlight module.集成化背光模组结构示意图
Two-dimensional distribution of micro-prism on the bottom surface of PILGP.PILGP下表面微棱镜二维分布示意图
Fig. 2. Two-dimensional distribution of micro-prism on the bottom surface of PILGP.PILGP下表面微棱镜二维分布示意图
Fitting curve of optimized By and W.优化系数By与导光板宽度W的拟合曲线
Fig. 3. Fitting curve of optimized By and W. 优化系数By与导光板宽度W的拟合曲线
Fitting curve of optimized Bx and L.优化系数Bx与导光板长度L的拟合曲线
Fig. 4. Fitting curve of optimized Bx and L. 优化系数Bx与导光板长度L的拟合曲线
Fitting curve of optimized Cx and L.优化系数Cx与导光板长度L的拟合曲线
Fig. 5. Fitting curve of optimized Cx and L. 优化系数Cx与导光板长度L的拟合曲线
项目结构参数
PILGP材料和尺寸聚甲基丙烯酸甲酯(PMMA), 116.3 mm × 68.7 mm × 0.5 mm
PILGP上表面结构高度88.6 μm、宽度180 μm、长度116 mm的ASCMCS单元, 密排
PILGP下表面结构底宽0.049 mm、长度0.1 mm、α = 50°、β = 90°的内凹型微棱镜单元
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数量和间距10个, 6.56 mm, 等间距分布于PILGP的短边
平面反射膜反射率95%
Table 1.

Structural parameters of 5-inch partial integrated backlight module.

5英寸集成化背光模组结构参数

W/mm 优化By计算By亮度均匀性%
优化By计算By
42.50.246370.2362792.8590.47
68.70.239670.2481894.2293.81
95.00.249830.2601388.6685.70
108.00.267500.2660489.6291.27
134.20.285000.2779485.8583.53
147.30.284100.2839085.7283.17
Table 2.

Simulation results of luminance uniformity with optimized and calculated By at different widths W of PILGPs.

不同导光板宽度W下优化、计算系数By以及对应的背光模组亮度均匀性仿真值

L/mm 计算Bx计算Cx亮度均匀性/%
101.10.690210.02007281.35
108.70.703970.02045688.84
116.30.717720.02084081.57
123.60.730940.02120980.91
130.80.743970.02157385.89
137.90.756820.02193280.85
145.10.769850.02229586.63
Table 3.

Simulation results of luminace uniformity with calculated Bx and Cx at different lengths L of PILGPs.

不同导光板长度L下的计算系数BxCx对应的亮度均匀性仿真值

PILGP尺寸/inchL/mm W/mm 亮度均匀性/%
4.7108.666.387.52
5.2119.573.184.24
5.5132.365.691.49
5.8139.369.080.05
6.1146.172.481.38
Table 4.

Luminance uniformity of partial integrated backlight module with two-dimensional distribution of micro-prism on the bottom surface of PILGPs at different sizes.

PILGP下表面微棱镜二维分布的不同尺寸背光模组亮度均匀性

性能参数微棱镜二维分布优化模式
公式组BPO
光能利用率/%90.6992.03
平均照度/Lux8462.18571.0
平均亮度/Nit6135.46394.6
照度均匀性/%88.0287.07
亮度均匀性/%92.1791.94
Table 5.

Simulation results of performance parameters in 5-inch partial integrated backlight modules with two-dimensional distribution of micro-prism optimized by BPO or distribution expressions.

分别具有BPO及分布公式组优化的微棱镜二维分布的5英寸背光模组性能参数仿真结果

Xu-Lin Zhang, Wei Yang, Tong-Zheng Luo, Yan-Yan Huang, Lei Lei, Gui-Jun Li, Ping Xu. Two-dimensional distribution expressions of micro-prism on bottom surface of partial integrated light guide plate[J]. Acta Physica Sinica, 2019, 68(21): 218501-1
Download Citation