Study of Color Proportion and Color Temperature in Laser Display

CIE colorspace	Colortemperature /K	R、G、Bwavelength /nm	R、G、Bpower ratio
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

Table 2. Luminance of 1 W RGB (638,532,445) laser for 6500 K and 9300 K

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Table 2. 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
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

Table 3. Luminance of 1 W RGB (638,520,445) laser for 6500 K and 9300 K

View table

Table 3. 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
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

Table 4. Color temperature of one color light power with 20% and 40% drop
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Table 4. Color temperature of one color light power with 20% and 40% drop
Color temperature /K 80%P_R∶P_G∶P_B 60%P_R∶P_G∶P_B P_R∶80%P_G∶P_B P_R∶60%P_G∶P_B P_R∶P_G∶80%P_B P_R∶P_G∶60%P_B
6500 7750 9310 6093 5362 5697 5118
9300 10915 13015 9932 12252 7404 6229

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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): 401004

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