激光显示光源颜色配比和色温研究 下载: 1411次
Study of Color Proportion and Color Temperature in Laser Display
1 中国科学院光电研究院投影光学实验室, 北京 100093
2 中国科学院理化技术研究所应用激光研究中心, 北京100190
图 & 表
图 1. 白光色温测试实验装置示意图
Fig. 1. Schematic of the white color temperature experiment
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图 2. 标准功率配比下理论色温值和实验色温值
Fig. 2. Theoretical and experimental results on standard power ratio
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表 1CIE1931和CIE1964标准色度系统下激光器的功率配比
Table1. Laser power ratio for 6500 K and 9300 K in CIE1931 and CIE1964
CIE colorspace | Colortemperature /K | R、G、Bwavelength /nm | R、G、Bpower ratio |
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CIE 1931 | 6500 | 635, 532, 445 | 0.456∶0.320∶0.224 | | | 635, 520, 445 | 0.477∶0.334∶0.189 | | 9300 | 635, 532, 445 | 0.395∶0.320∶0.285 | | | 635, 520, 445 | 0.423∶0.334∶0.243 | CIE 1964 | 6500 | 635, 532, 445 | 0.455∶0.309∶0.236 | | | 635, 520, 445 | 0.481∶0.308∶0.211 | | 9300 | 635, 532, 445 | 0.403∶0.323∶0.274 | | | 635, 520, 445 | 0.424∶0.303∶0.273 |
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表 21 W RGB(638,532,445)白光在6500 K和9300 K色温时的亮度
Table2. Luminance of 1 W RGB (638,532,445) laser for 6500 K and 9300 K
Laser | Power /W@6500 K | Power /W@9300 K | Y /(lm·W-1) | Luminance /lmat 6500 K | Luminance /lmat 9300 K |
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R(638) | 0.455 | 0.403 | 0.20 | 62.12 | 55.11 | G(532) | 0.309 | 0.323 | 0.90 | 189.89 | 198.33 | B(445) | 0.236 | 0.274 | 0.07 | 12.06 | 13.98 | Total | 1.000 | 1.000 | | 264.06 | 267.42 |
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表 31 W RGB(638,520,445)白光在6500 K和9300 K色温时的亮度
Table3. Luminance of 1 W RGB (638,520,445) laser for 6500 K and 9300 K
Laser | Power /W@6500 K | Power /W@9300 K | Y /(lm·W-1) | Luminance /lmat 6500 K | Luminance /lmat 9300 K |
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R(638) | 0.481 | 0.424 | 0.20 | 65.70 | 57.88 | G(520) | 0.308 | 0.303 | 0.76 | 160.09 | 157.59 | B(445) | 0.211 | 0.273 | 0.07 | 10.78 | 13.95 | Total | 1.000 | 1.000 | | 236.57 | 229.42 |
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表 4某一颜色光功率下降20%和40%后的色温
Table4. Color temperature of one color light power with 20% and 40% drop
Color temperature /K | 80%PR∶PG∶PB | 60%PR∶PG∶PB | PR∶80%PG∶PB | PR∶60%PG∶PB | PR∶PG∶80%PB | PR∶PG∶60%PB |
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6500 | 7750 | 9310 | 6093 | 5362 | 5697 | 5118 | 9300 | 10915 | 13015 | 9932 | 12252 | 7404 | 6229 |
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颜博霞, 王延伟, 亓岩, 毕勇. 激光显示光源颜色配比和色温研究[J]. 中国激光, 2018, 45(4): 0401004. Yan Boxia, Wang Yanwei, Qi Yan, Bi Yong. Study of Color Proportion and Color Temperature in Laser Display[J]. Chinese Journal of Lasers, 2018, 45(4): 0401004.