Cathodoluminescent lamp for LCD backlighting

Thomas Dunbar; Walter J. Whitson

doi:10.1117/12.177805

17 June 1994 Cathodoluminescent lamp for LCD backlighting

Thomas Dunbar, Walter J. Whitson

Proceedings Volume 2219, Cockpit Displays; (1994) https://doi.org/10.1117/12.177805
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

An efficient, high intensity, mercury free cathode luminescent lamp/power supply assembly has been designed for use in the backlighting of AMLCD's. It has demonstrated excellent spectral stability over the temperature range of - 55 to 70 degrees C and its dimming range of 1 to 10,000 Ft-L. The CLL has a projected useful life of 10,000 hours. A life test sample currently has 5,000 hours with a decrease of 16% from its' initial level.

Citation Download Citation

Thomas Dunbar and Walter J. Whitson "Cathodoluminescent lamp for LCD backlighting", Proc. SPIE 2219, Cockpit Displays, (17 June 1994); https://doi.org/10.1117/12.177805

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