Measurement of luminance and color uniformity of displays using the large-format scanner

Adam Mazikowski

doi:10.1117/12.2282353

Measurement of luminance and color uniformity of displays using the large-format scanner

Abstract

Uniformity of display luminance and color is important for comfort and good perception of the information presented on the display. Although display technology has developed and improved a lot over the past years, different types of displays still present a challenge in selected applications, e.g. in medical use or in case of multi-screen installations. A simplified 9-point method of determining uniformity does not always produce satisfactory results, so a different solution is proposed in the paper. The developed system consists of the large-format X-Y-Z ISEL scanner (isel Germany AG), Konica Minolta high sensitivity spot photometer-colorimeter (e.g. CS-200, Konica Minolta, Inc.) and PC computer. Dedicated software in LabView environment for control of the scanner, transfer the measured data to the computer, and visualization of measurement results was also prepared. Based on the developed setup measurements of plasma display and LCD-LED display were performed. A heavily worn-out plasma TV unit, with several artifacts visible was selected. These tests show the advantages and drawbacks of described scanning method with comparison with 9-point simplified uniformity determining method.

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Category:: Conference activity
Type:: materiały konferencyjne indeksowane w Web of Science
Title of issue:: 12TH CONFERENCE ON INTEGRATED OPTICS: SENSORS, SENSING STRUCTURES, AND METHODS
ISSN:: 0277-786X
Language:: English
Publication year:: 2017
Bibliographic description:: Mazikowski A..: Measurement of luminance and color uniformity of displays using the large-format scanner, W: 12TH CONFERENCE ON INTEGRATED OPTICS: SENSORS, SENSING STRUCTURES, AND METHODS, 2017, ,.
DOI:: Digital Object Identifier (open in new tab) 10.1117/12.2282353
Verified by:: Gdańsk University of Technology