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The design of an LCD system based on the quantitative analysis for enhancement of the motion picture quality

  • Sung Hak Lee
  • , Soo Wook Jang
  • , Eun Su Kim
  • , Dong Ha Lee
  • , Sang Hoon Lee
  • , Kyu Ik Sohng
  • Kyungpook National University
  • LG Corporation

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The response time of a liquid crystal display device (LCD-RT) is not short enough for video applications, and moreover as the backlight system of conventional hold type, signals in a high temporal frequency over 20Hz have a serious loss of gain. Therefore, the pulsed backlight system has been introduced for reducing motion blurs of LCDs in high motion pictures. But applying the pulsed backlight, full screen flicker and inconsistency of transmissivity for entire frame at a lightening time should be considered. This paper discusses the analysis of blurs in high motion pictures and proposes the design method for more suitable display terminal of LCDs.

Original languageEnglish
Title of host publicationProceedings of the 2005 International Conference on Imaging Science, Systems, and Technology
Subtitle of host publicationComputer Graphics, CISST'05
Pages121-125
Number of pages5
StatePublished - 2005
Event2005 International Conference on Imaging Science, Systems, and Technology: Computer Graphics, CISST'05 - Las Vegas, NV, United States
Duration: 27 Jun 200530 Jun 2005

Publication series

NameProceedings of the 2005 International Conference on Imaging Science, Systems, and Technology: Computer Graphics, CISST'05

Conference

Conference2005 International Conference on Imaging Science, Systems, and Technology: Computer Graphics, CISST'05
Country/TerritoryUnited States
CityLas Vegas, NV
Period27/06/0530/06/05

Keywords

  • Flicker
  • Gate-on-time
  • LCD-RT
  • Modulation-threshold
  • Pulsed backlight

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