Implementation and Design of White Field Apparatus Based on LCD

WANG Xue-liang; GONG Yan; ZHAO Lei

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Implementation and Design of White Field Apparatus Based on LCD

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- Implementation and Design of White Field Apparatus Based on LCD
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 6, Pages: 774-779(2011)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室,吉林长春,130022
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN27
- Received：04 May 2011，
  
  Revised：07 June 2011，
  
  Published Online：20 December 2011，
  
  Published：20 December 2011
- 稿件说明：
移动端阅览
王学亮, 巩岩, 赵磊. 基于液晶显示器的白场仪设计及其实现[J]. 液晶与显示, 2011,26(6): 774-779

WANG Xue-liang, GONG Yan, ZHAO Lei. Implementation and Design of White Field Apparatus Based on LCD[J]. , 2011,26(6): 774-779
王学亮, 巩岩, 赵磊. 基于液晶显示器的白场仪设计及其实现[J]. 液晶与显示, 2011,26(6): 774-779 DOI：

WANG Xue-liang, GONG Yan, ZHAO Lei. Implementation and Design of White Field Apparatus Based on LCD[J]. , 2011,26(6): 774-779 DOI：

摘要

研制了一种可用于现场标定色彩测量仪器的白场仪。该白场仪系统基于液晶显示器

以FPGA结合Flash的方式实现

通过对白场校准信息的记录和复现

可以输出标准白场图像。针对白场仪的硬件系统和软件系统

分别设计实现了FPGA控制板、液晶显示器的SVGA信号驱动和并行NOR Flash ROM控制器驱动。经测试

该白场仪系统运行稳定可靠

经计量部门校准后可以生成色温可调整的标准白场

输出亮度误差在24 h内小于0.50%。

Abstract

A white field apparatus was developed

with which the standardization of instruments for color measurement could be finished. The apparatus system was based on LCD and was realized with FPGA. By recording and reproducing the calibration information

the white field apparatus could provide white field with standard color temperature. The FPGA controller board

the SVGA signal driver for LCD and NOR Flash ROM driver were designed and realized for the hardware and software system. As tested

the white field apparatus could provide standard white fields with adjustable color temperature after calibration by metrology institutes and operated steadily and reliably with the luminance error of 0.50% within 24 h.

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references

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Related Institution

Changchun Institute of Optics， Fine Mechanics and Physics， Chinese Academy of Sciences

University of Chinese Academy of Sciences

Key Laboratory of Space-based Dynamic & Rapid Optical Imaging Technology， Chinese Academy of Sciences

School of Microelectronics， Shanghai University

Key Laboratory of Advanced Display and System Applications of Ministry of Education， Shanghai University

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