The effect of the wavelength-dependent scattering on the change of the color chromaticity in the lightguide panel of a liquid crystal display is examined. The white light emitted from the white LEDs located at the edge of the lightguide propagates in the lightguide and is scattered by the patterned dots that are placed on the bottom of the lightguide. The scattered lights that are far from the LEDs showed reddish color compared to the bluish color that is scattered from the near area from the LEDs. The color difference was between 0.01 to 0.06 depending on the resin and the thickness of the lightguide.
© 2013 Optical Society of Korea
(120.2040) Instrumentation, measurement, and metrology : Displays
(290.5820) Scattering : Scattering measurements
(290.5870) Scattering : Scattering, Rayleigh
(330.1710) Vision, color, and visual optics : Color, measurement
Original Manuscript: March 29, 2013
Revised Manuscript: May 22, 2013
Manuscript Accepted: May 27, 2013
Published: June 25, 2013
Jin Hyuk Kwon, Hwa Joon Jun, Jin Seog Gwag, and Hong Su Lee, "Effect of Wavelength-dependent Scattering on the Color Chromaticity of the LCD Backlight," J. Opt. Soc. Korea 17, 275-278 (2013)
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