Partial Polarization of Direct LED Backlight Module

Partial Polarization of Direct LED Backlight Module

Light-emitting diodes (LEDs) have been widely used in liquid crystal display (LCD) backlight modules. In general, the light emitted by the LED backlight modules is not un-polarized light. However, our experiment results and analysis show that the light is partial polarization. The characteristics of...

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Veröffentlicht in:Journal of display technology 2015-04, Vol.11 (4), p.360-366
Hauptverfasser: Chen, Ying-Yun, Chang, Rong-Seng
Format: Artikel
Sprache:eng
Schlagworte:
Brightness
Light emitting diodes
Light sources
light-emitting diodes (LED)
liquid crystal display (LCD)
Optical films
Optical polarization
Optical variables measurement
partial polarization
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container_title Journal of display technology
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creator Chen, Ying-Yun
Chang, Rong-Seng
description Light-emitting diodes (LEDs) have been widely used in liquid crystal display (LCD) backlight modules. In general, the light emitted by the LED backlight modules is not un-polarized light. However, our experiment results and analysis show that the light is partial polarization. The characteristics of partial polarization obtained in the experiment and analysis are utilized to increase the brightness of LCD backlight module, and then the results of this study demonstrate that the brightness can be increased by 46%. Thus, this study provides a method to increase the brightness of LCD backlight modules.
doi_str_mv 10.1109/JDT.2015.2399332
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subjects Brightness
Light emitting diodes
Light sources
light-emitting diodes (LED)
liquid crystal display (LCD)
Optical films
Optical polarization
Optical variables measurement
partial polarization
title Partial Polarization of Direct LED Backlight Module
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