Imaging Evaluation for Simulated RGBW Color LCDs With the Proposed Color Conversion Algorithm

This paper is a comparative evaluation of imaging performance for two types of color liquid crystal displays (LCDs) with Quad RGBW (red, green, blue, and white) and Stripe RGB (red, green, blue) pixel units by means of simulation study. In accordance with the study results, using the proposed color...

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Bibliographic Details
Published in:Journal of display technology Vol. 11; no. 3; pp. 236 - 241
Main Authors: Wang, Yen-Chin, Sheu, Chia-Rong
Format: Journal Article
Language:English
Published: New York IEEE 01.03.2015
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Color conversion algorithm
Curve fitting
Equations
human vision model
Image color analysis
Imaging
LCDs
Liquid crystal displays
Mathematical model
pseudocolor phenomenon
Rendering (computer graphics)
ISSN:1551-319X, 1558-9323
Online Access:Get full text
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Summary:This paper is a comparative evaluation of imaging performance for two types of color liquid crystal displays (LCDs) with Quad RGBW (red, green, blue, and white) and Stripe RGB (red, green, blue) pixel units by means of simulation study. In accordance with the study results, using the proposed color conversion algorithm could achieve color consistence and higher luminance for rendering images with RGBW rather than RGB pixel units. Simultaneously, instrumental color measurement via a spectrometer was done which results also proved that almost same color values of rendering images with RGBW pixel units as well as those images with original RGB pixel units, and higher luminance was achieved. Finally, the pseudocolor phenomenon of rendering images with RGBW pixel units is analyzed and discussed on the basis of human vision model.
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ISSN:1551-319X
1558-9323
DOI:10.1109/JDT.2014.2379916