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for high power LED package and strengthening of white carbon WU Haiying, DAI Zilin, ZHU Huaijun, HUAN Jianping, YANG Rui (Guangdong Research Institute of Rare Metals, Guangzhou 510651, China) Abstract..., the prepared phenyl vinyl silicone oil is suitable for LED encapsulation. Key words: LED package; phenyl vinyl silicone oil; additional silicone rubber; white carbon; strengthening 采用LED(lighting......
的白光LED器件,不同荧光粉浓度白光LED器件的发射光谱,LED器件的色坐标和发光照片和发光效率 Fig. 3 Blue-chip client, glass ceramic specimen and packaged white LED module (a), emission spectra of white LED modules with various... Hai-bin, WANG Chang-ling. Experimental research on influence of packing materials of white LED on its luminous decay[J]. Acta Optic Sinica, 2005, 25(8): 1091-1094. [6] 钱可元, 胡 飞, 吴慧颖, 罗 毅. 大功率白光LED 封装技术的......
Luminescent characteristics of Ba3Y2(BO3)4:Eu3+ phosphor for white LED YANG Zhiping1,LI Panlai1,WANG Zhijun1,PANG Libin2,GUO Qinglin1 (1.College of Physics Science & Technology, Hebei University...+ concentration, and then decreased. The CIE color coordinates of Ba3Y2(BO3)4:Eu3+ phosphor were x=0.641 and y=0.359 at 15 mol.% Eu3+. Key words:white LED; Ba3Y2(BO3)4:Eu3+; luminescent characteristics; rare......
Modification of Luminescent Properties of Red Sulphide Phosphors for White LED Lighting Chen Zhihui1,Xiong Zhaoxian1,Chen Yayong1,Song Chunxiao1 (1.Department of Materials Science and Engineering, Xiamen University, Xiamen 361005, China) Abstract:A kind of sulphide, CaS:Eu2+, activated by europium ion for white LED lighting was synthesized via solid-state reaction route in reducing atmospheres......
Study on co-precipitation synthesized Y3Al5O12:Ce yellow phosphor for white LED张书生,庄卫东,何涛,刘元红,刘荣辉,高文贵,胡运生,龙震National Engineering Research Center for Rare Earth Materials, General Research Institute... absorption band at about 460 nm, compatible with the excited wavelength of commercial blue light emitting diode (LED) for white LED lighting. Bright yellow-emission located at 540 nm was observed.
Study on co-precipitation synthesized Y3Al5O12:Ce yellow phosphor for white LED张书生,庄卫东,何涛,刘元红,刘荣辉,高文贵,胡运生,龙震National Engineering Research Center for Rare Earth Materials, General Research Institute... absorption band at about 460 nm, compatible with the excited wavelength of commercial blue light emitting diode (LED) for white LED lighting. Bright yellow-emission located at 540 nm was observed.
strong luminescence intensity is suitable for a green phosphor of tricolor phosphor of white light LED. Key words:europium doped calcium magnesium chlorosilicate; LED green phosphors; wide excitation...Luminescence and Preparation of LED Phosphor Ca8Mg(SiO4)4Cl2:Eu2+ Lin Jianhua1,Yao Guangqing1,Yang Ping1 (1.College of Chemistry and Molecular Engineering, State Key Laboratory of Rare Earth......
temperature on the optical performance of a trichromatic white-light LED. They found that as the junction temperature increases, the luminous efficacy and the color rendering index (CRI) decrease, the color... Transfer, 2010, 37: 1266-1272. [5] NARENDRAN N, GU Yi-min. Life of LED-based white light sources [J]. Display Technology, Journal of, 2005, 1: 167-171. [6] CHHAJED S, XI Y, LI Y L, GESSMANN T, SCHUBERT E......
Luminescence properties of nitride red phosphor for LED HUANG Xiaowei1,HU Yunsheng1,ZHUANG Weidong1,TENG Xiaoming1 (1.National Engineering Research Center for Rare Earth Materials,General Research... of the former was better than that of the latter. Key words:luminescence; alkaline earth; nitride; white LEDs; rare earths; [全文内容正在添加中] ......
that the developed phase change heat sink has excellent heat transfer performance and is suitable for high power LED applications. Key words: high power LED; phase change heat sink; ploughing-extrusion... (LED) chip power input is converted into heat [1,2]. Heat accumulation results in the rapid increase of junction temperature, thus causing a series of problems: (1) disastrous electrode slow or bad......
