LED backlight module by lightguide-diffusive component

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题名:	LED backlight module by lightguide-diffusive component
作者:	張榮森;Chang, Rong-Seng;Tsai, Jang-Zern;Li, Tung-Yen;Liao, Hsiang-Lin
贡献者:	理學院光電科學與工程學系
关键词:	Backlight module;Backlights;Diodes;Emission;Equations;Illumination;LED;Lenses;Light emitting diodes;Light sources;Luminance;Mathematical model;Modules;secondary lightguide-diffuser;Simulation;Variability;Vectors
日期:	2012-02-01
上传时间:	2026-04-23 11:35:29 (UTC+8)
出版者:	IEEE Computer Society;New York: IEEE
摘要:	摘要： This study examines the luminance and uniformity characteristics of a newly invented secondary optical lens, called the "lightguide-diffusive component," which has a wide emission angle and is designed for thin direct LED backlighting applications. The LED backlight module is composed of, at the very least, a light source, a secondary lightguide-diffusive component with a newly designed micro-structure having a reflective bottom surface, and a flexible printed circuit (FPC) for LED lighting. This lightguide-diffusive component modifies the emission profile of a single LED to provide better illumination and greater uniformity. The newly designed secondary optical lens module is shaped to cover the LED array, resulting in a more uniform spatial light energy distribution on the emission plane of the LED backlight. The uniformity ratio for the new design shows an increase of 24%, from 60% to 84%, and the luminance a 23.29% improvement, from 10 000 nits to 12 329 nits. 其他題名： JDT 出版者： New York: IEEE 出版日期： 2012-02-01 出處： Journal of display technology, 2012-02, Vol.8 (2), p.79-86 資源來源： IEEE Electronic Library (IEL) 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Feb 2012 識別號： ISSN: 1551-319X 識別號： EISSN: 1558-9323 識別號： DOI: 10.1109/JDT.2011.2163792 識別號： CODEN: IJDTAL
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