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Performance of High Power Light Emitting Diodes in Display Illumination Applications

2007; Institute of Electrical and Electronics Engineers; Volume: 3; Issue: 2 Linguagem: Inglês

10.1109/jdt.2007.894384

1558-9323

Gerard Harbers, Serge Bierhuizen, Michael R. Krames,

Semiconductor Lasers and Optical Devices

The performance of liquid crystal displays and micro display projection systems is for a large part determined by the lamps and illumination optics they are using. Traditionally, gas discharge lamps are used, but light-emitting diode lamps are gradually taking over because of their attractive characteristics. We will discuss how the transfer to light-emitting diodes in the various display architectures changes the key performance parameters, remaining technical challenges, and prospects for future improvement