高清激光显示中的色彩复现系统

付瀚毅; 刘伟奇; 柳华; 冯睿; 康玉思; 陶淑苹

doi:10.3788/OPE.20142207.1774

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高清激光显示中的色彩复现系统

现代应用光学 | 更新时间：2020-08-13

- 高清激光显示中的色彩复现系统
- Color-recurrent system in high-definition laser display
- 光学精密工程 2014年22卷第7期页码：1774-1780
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院大学北京,中国,100049
- 作者简介：
- 基金信息：
  
  国家863高技术研究发展计划资助项目（No.2007AA030111，No.2009AA032701）()
- DOI：10.3788/OPE.20142207.1774
  中图分类号： TN949.15
- 收稿日期：2013-05-28，
  
  修回日期：2013-07-19，
  
  纸质出版日期：2014-07-25
- 稿件说明：
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付瀚毅, 刘伟奇, 柳华等. 高清激光显示中的色彩复现系统[J]. 光学精密工程, 2014,22(7): 1774-1780

FU Han-yi, LIU Wei-qi, LIU Hua etc. Color-recurrent system in high-definition laser display[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1774-1780
付瀚毅, 刘伟奇, 柳华等. 高清激光显示中的色彩复现系统[J]. 光学精密工程, 2014,22(7): 1774-1780 DOI： 10.3788/OPE.20142207.1774.

FU Han-yi, LIU Wei-qi, LIU Hua etc. Color-recurrent system in high-definition laser display[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1774-1780 DOI： 10.3788/OPE.20142207.1774.

摘要

利用60吋全固态激光电视样机，建立了原有的电视色度信号向激光电视色度信号转换的模型。根据激光显示的特点，推导出以三色激光（红： 660 nm，绿： 532 nm，蓝： 457 nm）为三基色的激光电视颜色系统与荧光粉电视三基颜色系统的矩阵转换关系。利用解码模块、现场可编程门阵列（FPGA）色域转换模块和编码模块搭建了激光三基色系统和普通电视三基色系统的色域转换电路，分析了电路中各个模块的作用及整个电路的工作过程，实现了对高清视频信号的色域转换。对比了不同颜色在转换后的激光电视上与荧光粉电视上的显示效果，对11个特征颜色的测量显示，其色域转换误差小于9.8%。实验取得了很好的色域转换效果，成功地验证了高清激光电视的色彩复现能力。

Abstract

On the basis of an 60 inch all solid laser television(TV) prototype

a chrominance signal conversion model from an original TV to a laser TV was established.By researching the characteristics of laser display

the conversion matrix between traditional phosphor TV color system and laser TV color system was derived by using a three color laser (red:660 nm

green:532 nm

blue:457 nm) as primary-color.A gamut conversion circuit between the two color systems was given by utilizing a decode module

a Field Programming Gate Array(FPGA) controlling circuit and a coding module.The roles of these models and their working processing were analyzed

and the gamut conversion to the high-definition video signal was achieved.11 feature colors displayed with the laser TV and the traditional phosphor TV respectively were measured and compared after conversion and the gamut conversion error is less than 9.8%.The experiment obtains an excellent result of gamut conversion and verifies the color-recurrent ability of high-definition laser TVs.

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references

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