光学学报, 2020, 40 (16): 1633001, 网络出版: 2020-08-07   

LED原色光谱对颜色匹配精度的影响分析 下载: 1080次

Influence of LED Primary Colors on Color Matching Accuracy
作者单位
北京印刷学院印刷与包装工程学院, 北京 102600
图 & 表

图 1. 目标设备和匹配设备原色的归一化光谱能量分布。(a) R通道;(b) G通道;(c)B通道

Fig. 1. Normalized spectral power distributions of the primary colors of the target and matched devices. (a) R channel; (b) G channel; (c) B channel

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图 2. 目标设备和匹配原色的色域

Fig. 2. Color gamuts of the target and matched devices

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图 3. 实验相关示意图。 (a)实验装置图;(b)LED-Panel及控制器连接;(c)软件调节界面

Fig. 3. Experimental related diagram. (a) Experimental setup; (b) LED-Panel and the controllers; (c) interface of software adjustment

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图 4. 不同颜色匹配函数计算不同RGB组合下匹配颜色比较。(a) L1; (b) L2; (c) L3; (d) L4

Fig. 4. Comparisons of the matched colors with different CMFs in different RGB combinations. (a) L1; (b) L2; (c) L3; (d) L4

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图 5. 不同颜色匹配函数计算Δ(u', v')值柱状图

Fig. 5. Histograms of the Δ(u', v') values calculated by different color matching functions

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图 6. 不同LED-RGB三原色光源组合下的观察者差异色度椭圆。(a)5个颜色;(b)白色

Fig. 6. Observer variability ellipses from different LED-RGB primary color combinations. (a) 5 colors; (b) white

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图 7. 基于CIE1964计算得到的文献[ 15]的实验结果

Fig. 7. Results from Ref. [15] with different primary-sets by CIE1964

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表 1目标设备和匹配设备原色的光谱和色度信息

Table1. Primary colors and colorimetric information of the target and matched devices

DevicePrimaryλ-measured /nmFWHM /nmx10y10u'10v'10
Target deviceNEC-R652900.640.330.450.52
NEC-G520320.260.680.100.58
NEC-B444210.150.100.160.23
Matched deviceLED-R1636180.690.310.520.52
LED-R2672200.710.290.570.51
LED-G1508270.120.700.040.56
LED-G2524310.240.720.080.58
LED-B1452190.150.070.160.18
LED-B2472220.110.180.090.33

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表 2目标色的色度参数

Table2. Colorimetric parameters of the target colors

ColorsCIE recommended valueMeasured valueΔEab*
L10*a10*b10*L10*a10*b10*u'10v'10
White------0.210.49-
Gray620062.420.11-0.410.210.490.60
Red44372343.9136.4922.950.320.510.52
Yellow87-74787.25-6.9146.850.220.530.30
Green56-32056.25-32.16-0.330.150.500.44
Blue365-3136.494.56-30.650.190.410.74

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表 3实验观察者的精度

Table3. Observer variations in the experiments

LED-conbinationL1L2L3L4
Intra-observerR1-G2-B1R2-G2-B1R1-G1-B1R1-G2-B2
Min0.00170.00110.00180.0012
Max0.00320.00320.00690.0032
Mean0.00240.00240.00380.0024
Inter-observerR1-G2-B1R2-G2-B1R1-G1-B1R1-G2-B2
Min0.00020.00020.00020.0005
Max0.01880.02090.02410.0221
Mean0.00390.00530.00690.0059

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表 4不同LED-RGB光源组合下每种颜色的匹配结果[以Δ(u', v')表示]

Table4. Δ(u', v') values of each color from different LED-RGB combinations

ColorsL1L2L3L4Mean
White0.00650.00750.00750.00850.0075
Gray0.00540.00570.00630.00840.0065
Red0.00700.00960.00800.00680.0079
Yellow0.00500.00520.00730.00450.0055
Green0.00570.00540.00830.00810.0069
Blue0.00750.00680.00790.01380.0090
Mean0.00620.00670.00760.00840.0072

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表 5不同LED-RGB三原色光源组合下的观察者色度椭圆参数

Table5. Parameters of the observer variability ellipses from different LED-RGB primary color combinations

ColorSizeθ
L1L2L3L4MeanL1L2L3L4
White0.00390.00790.00850.00820.007168.3551.42127.00139.41
Gray0.00420.00600.00780.00900.006776.4640.88142.17138.45
Red0.00760.00850.01190.00750.008911.2714.797.0917.26
Yellow0.00350.00690.00930.00520.006235.38163.89151.91172.54
Green0.00620.00760.00870.00770.007595.2774.97134.39132.13
Blue0.00750.00660.00990.01180.008971.5884.2399.53139.03
Mean0.00550.00720.00940.0082----

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表 6不同组合匹配设备与目标设备原色峰值波长位置比较

Table6. Comparison of the peak wavelength of the target and matched devices with different combinations

CombinationΔR /nmΔG /nmΔB /nm
L1-1648
L22048
L3-16-128
L4-16428

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郭春丽, 黄敏, 习永惠, 潘洁. LED原色光谱对颜色匹配精度的影响分析[J]. 光学学报, 2020, 40(16): 1633001. Chunli Guo, Min Huang, Yonghui Xi, Jie Pan. Influence of LED Primary Colors on Color Matching Accuracy[J]. Acta Optica Sinica, 2020, 40(16): 1633001.

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