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Applied Optics

Applied Optics


  • Vol. 39, Iss. 13 — May. 1, 2000
  • pp: 2054–2058

Optimization of resolution and color reproduction by controlling luminance and contrast levels of a liquid-crystal display monitor

Tae Hee Kim, Yun Woo Lee, In Won Lee, and Soon Chul Choi  »View Author Affiliations

Applied Optics, Vol. 39, Issue 13, pp. 2054-2058 (2000)

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The image quality of a color liquid-crystal display monitor is studied by changing the contrast and the luminance levels. The resolution is assessed with modulation transfer function area (MTFA) that is measured at nine different combinations of the luminance and contrast. At these combinations, we measure the chromaticity coordinates and luminance of red-green-blue channels as a function of the digital–analog convert value. We analyze the relations among MTFA value, constant-channel chromaticity, color gamut, and maximum luminance of a white pattern. From the results, the combination of levels is found that provides both high resolution and good color reproduction.

© 2000 Optical Society of America

OCIS Codes
(110.3000) Imaging systems : Image quality assessment
(110.4100) Imaging systems : Modulation transfer function
(230.3720) Optical devices : Liquid-crystal devices
(330.1690) Vision, color, and visual optics : Color
(350.5730) Other areas of optics : Resolution

Original Manuscript: October 18, 1999
Revised Manuscript: January 10, 2000
Published: May 1, 2000

Tae Hee Kim, Yun Woo Lee, In Won Lee, and Soon Chul Choi, "Optimization of resolution and color reproduction by controlling luminance and contrast levels of a liquid-crystal display monitor," Appl. Opt. 39, 2054-2058 (2000)

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