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  1. Journal of Information Display
  2. Volume 16, 2015
  3. Volume: 16 Issue: 4
  4. Viewing angle measurements on curved displays
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Volume 19, 2018
Volume 18, 2017
Volume 17, 2016
Volume 16, 2015
Volume: 16 Issue: 4
Solution-processed bottom-emitting polymer light-emitting diodes on a textile substrate towards a wearable display
Effect of radius of curvature of a convex interface on the light output power of light-emitting diode package with double-layered encapsulant
Method for 3D gray-to-gray crosstalk uniformity measurement with high perceptual relevance
Viewing angle measurements on curved displays
A study on the optimum curvature for the curved monitor
Volume: 16 Issue: 3
Volume: 16 Issue: 2
Volume: 16 Issue: 1
Volume 15, 2014
Volume 14, 2013
Volume 13, 2012
Volume 12, 2011
Volume 11, 2010
Volume 10, 2009
Volume 9, 2008
Volume 8, 2007
Volume 7, 2006
Volume 6, 2005
Volume 5, 2004
Volume 4, 2003
Volume 3, 2002
Volume 2, 2001
Volume 1, 2000

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Viewing angle measurements on curved displays

Content Provider Taylor & Francis Online
Author Leroux, T. Bignon, T. Patton, V. Collomb Boher, P. Blanc, P.
Abstract The simple fact that a curved display is no more flat induces new visual effects that must be studied specifically. Display viewing angle, generally referring to variation of emissive properties (luminance and color) versus viewing direction is generally affected by the curvature and must be measure accurately. In the following article, the angular distortion of a viewing angle measurement made on a curved display when using a standard viewing angle measurement system (goniometer or Fourier optics) is expressed versus spot size D, radius of curvature R and defocus H. The limits of validity of viewing angle measurements on a curved display are deduced. If the ratio D/R of the display is below 1%, the measurement errors in the angles cannot exceed 1° for all the viewing angles for a system at focus, and the accuracy of the measurements remains excellent. Out of focus, there is also no impact of the angular accuracy if the ratio H/R is below 1%. The simulations are compared to real measurements made across flat or bent brightness enhancement film and on a curved organic light-emitting diode cell phone display.
Starting Page 207
Ending Page 216
Page Count 10
File Format PDF HTM / HTML
ISSN 15980316 21581606
DOI 10.1080/15980316.2015.1094428
Journal Journal of Information Display
Volume Number 16
Issue Number 4
Language English
Publisher Taylor & Francis
Publisher Date 2015-11-02
Access Restriction Open
Subject Keyword Curved display Goniometer Fourier optics Conoscope Viewing angle
Content Type Text
Resource Type Article
Subject Materials Science Electrical and Electronic Engineering
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