光谱学与光谱分析
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LCD三基色光谱特性的研究
黄翀1 ,姜言森1 ,欧阳艳东1 ,吴永俊2
1. 汕头大学物理系,广东 汕头 515063 2. 汕头超声显示器有限公司,广东 汕头 515041
Study of LCD Tricolor Spectrum Characteristic
HUANG Chong1 ,JIANG Yan-sen1 ,OUYANG Yan-dong1 ,WU Yong-jun2
1. Department of Physics, Shantou University, Shantou 515063, China 2. Shantou Goworld Display Co., Ltd., Shantou 515041, China
摘要 : 用分光光度计测量TB3639型液晶光阀在电压和频率两种驱动方式下的电光特性关系曲线,分析在这两种驱动方式下液晶对三基色的透射率变化情况;结果表明,三基色在两种驱动方式下,其透射率的变化并不一致,显示的图像会有一些偏色,这对显示质量的影响较大。在电压驱动方式下,随着电压变化,液晶对三基色透射率变化的不一致性更为显著,差值最大为11%,最小为0%。在频率驱动方式下,透射率差值相对较小,差值最大为4%,最小为2.5%,三基色透射率变化有更好的一致性。以此作为基础,对颜色进行一定的校正和补偿,以获得精确的色调和色饱和,便于进一步研究改善液晶显示性能。
关键词 :三基色;电光特性;透射率
Abstract :The electro-optical characteristic of TB3639 liquid crystal light valve under both voltage-drive and frequency-drive modes was measured using spectrophotometer, and the change in tricolor transmissivity with the two methods was analyzed. The result shows that the changes in tricolor transmissivity with these two methods are not identical, and color cast will appear, which will influence display quality. The change in tricolor transmissivity becomes more obvious with the changes in voltage in voltage-drive mode, in which the maximum difference is 11% and the minimum is 0. The change in tricolor transmissivity has better uniformity in frequency-drive mode and the difference of transmissivity is relatively small with the maximum difference of 4% and the minimum of 2.5. The color should be adjusted and compensated in order to get exact hue and color saturation, and this will help to study further for improving the performance of liquid crystal display.
Key words :Tricolor;Electro-optical characteristic;Transmissivity
收稿日期: 2006-05-10
修订日期: 2006-08-20
通讯作者:
黄翀
E-mail: yuhuang@stu.edu.cn
引用本文:
黄翀1 ,姜言森1 ,欧阳艳东1 ,吴永俊2 . LCD三基色光谱特性的研究 [J]. 光谱学与光谱分析, 2007, 27(12): 2494-2497.
HUANG Chong1 ,JIANG Yan-sen1 ,OUYANG Yan-dong1 ,WU Yong-jun2 . Study of LCD Tricolor Spectrum Characteristic. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(12): 2494-2497.
链接本文:
https://www.gpxygpfx.com/CN/Y2007/V27/I12/2494
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