Photoluminescent liquid crystal displays and a new approach to large screen video applications

William A. Crossland; I. D. Springle; R. D. King; P. A. Bayley; Anthony B. Davey; B. Needham

doi:10.1117/12.379968

17 March 2000 Photoluminescent liquid crystal displays and a new approach to large screen video applications

William A. Crossland, I. D. Springle, R. D. King, P. A. Bayley, Anthony B. Davey, B. Needham

Proceedings Volume 3955, Liquid Crystal Materials, Devices, and Flat Panel Displays; (2000) https://doi.org/10.1117/12.379968
Event: Electronic Imaging, 2000, San Jose, CA, United States

Abstract

Photoluminescent liquid crystal displays use a phosphor screen to separate internal light traversing a liquid crystal display (LCD) from light seen by the viewer. The internal light is narrow bandwidth UV and can be spatially directed. The diffuse phosphor emissions transform the angular viewing characteristics of conventional LCDs to the almost perfectly wide, uniform characteristics of a cathode ray tube. This type of display has the potential to exceed the power efficiency of current LCDs and can boost electro-optic performance in such a way as to give, for instance, enhanced multiplexing in passive matrix displays. The continuous phosphor screen and separate light paths enable truly seamless tiling for the production of large-screen direct-view displays. Here we briefly review photoluminescent LCD operation and describe the main design criteria. Three product-focused architectures are discussed and the current state of the art described for each.

Citation Download Citation

William A. Crossland, I. D. Springle, R. D. King, P. A. Bayley, Anthony B. Davey, and B. Needham "Photoluminescent liquid crystal displays and a new approach to large screen video applications", Proc. SPIE 3955, Liquid Crystal Materials, Devices, and Flat Panel Displays, (17 March 2000); https://doi.org/10.1117/12.379968

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