Design of optical module with high stability, high angular color uniformity, and adjustable light distribution for standard lamps

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题名:	Design of optical module with high stability, high angular color uniformity, and adjustable light distribution for standard lamps
作者:	孫慶成;Chang, Yu-Yu;Ting, Zi-Yan;Chen, Ching-Yi;Yang, Tsung-Hsun;Sun, Ching-Cherng
贡献者:	理學院光電科學與工程學系
关键词:	Adjustable;Color;Correlation;Cylinders;Deviation;Diodes;Fluorescent and luminescent materials;Light;Light emitting diodes;Light sources;light-emitting diodes (LEDs);Low level;Modules;Optical design;Stability analysis;Thermal stability;Trucks;wavelength conversion devices
日期:	2014-03-01
上传时间:	2026-04-23 11:25:39 (UTC+8)
出版者:	IEEE Computer Society;New York: IEEE
摘要:	摘要： In the paper, an optical design for a standard light source is proposed and demonstrated to perform high stability, high angular CCT (correlated color temperature) uniformity, and adjustable light pattern from a Lambertian-like pattern to a narrow light pattern with a full-width at half-maximum (FWHM) angle of 60 °. The optical module contains a color-mixing cylinder, a diffuser, and an absorbed cylinder. The simulation well predicts the corresponding measurements and the angular CCT deviation can be kept a certain low level, which is much lower than a general phosphor converted white LED. In addition, we apply a pcW-LED of CREE XML as the light source to the optical module to show the general adoptability of the optical module. The measurement shows that the similar behavior, with adjustable light pattern from 120 ° to 60 °. In addition, the angular correlated color temperature deviation (ACCTD) is always kept an extremely low level. 其他題名： JDT 出版者： New York: IEEE 出版日期： 2014-03 出處： Journal of display technology, 2014-03, Vol.10 (3), p.223-227 資源來源： IEEE Xplore (NTUSG) 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Mar 2014 識別號： ISSN: 1551-319X 識別號： EISSN: 1558-9323 識別號： DOI: 10.1109/JDT.2013.2294962 識別號： CODEN: IJDTAL
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