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《Acta Optica Sinica》 2010-12
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Photoelectric Properties of Alternating-Current Light-Emitting Diodes

Chen Yingliang Lu Yijun Gao Yulin Lin Yue Chen Huanting Lei Ruirui Guo Ziquan Chen Guolong Chen Zhong(Fujian Engineering Research Center for Solid-State Lighting,Department of Physics,Xiamen University,Xiamen,Fujian 361005,China)  
The optical and electrical parameters of AC-LEDs driven by AC and DC source were tested at different alternating-current voltage,frequency and heat-sink temperature respectively.It is found that the values of luminous flux,optical power and luminous efficacy of device driven by DC source are larger than those by AC-source in the same active power.Because of thermal effects,efficiency droop and equivalent series resistances,the luminous efficacy of AC-LEDs firstly increases and then decreases with the active power increases.By changing the temperature of heat sink,the infcuence of temperatures on peak wavelength,optical power and luminous efficacy of AC-LEDs were further discussed.
【Fund】: 国家863计划(2003AA03A175);; 福建省自然科学基金(2008J0030)资助课题
【CateGory Index】: TN312.8
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【Citations】
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【Co-citations】
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1 Miao Jianwen1a,Song Guohua1b,Yan Xiaolei1b,Wu Hengwen1b,Gui Xu2(1a.School of Chemistry and Chemical Engineering;b.School of Science,Nantong University,Nantong 226007,China;2.Nantong Institute of Supervision and Inspection on Product Quality,Nantong 226001,China);Effect of Bonding Materials on Parameters of 1 W White-LED[J];Semiconductor Technology;2009-09
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3 Wu Haibin~1 He Sumei~1 Wang Changling~2(1 College of Mechanical Engineering and Automation, Fuzhou, University, Fuzhou, Fujian 350108, China2 Fujian Joinluck Electronic Enterprise Co., Ltd., Fuzhou, Fujian 350007, China);Experimental Research on the Mechanism of Causing Fast Luminous Attenuation of White Lamp-LED[J];Acta Optica Sinica;2009-05
4 Bai Shengmao Wang Jing Miao Hongli Meng Jiwu Zhou Changyou(Institute of Information Science and Engineering,Ocean University of China,Qingdao,Shandong 266100,China);Luminescence Properties of the Y_(3-x-y)Pr_xGd_yAl_5O_(12):Ce~(3+) Phosphors for White Light Emitting Diodes[J];Acta Optica Sinica;2010-05
5 Wang Yanming1 Xiong Chuanbing1,2 Wang Guangxu1 Xiao Zonghu1Xiong Yijing1 Jiang Fengyi1,2(1Education Ministry Engineering Research Center for Luminescence Materials and Devices,Nanchang University,Nanchang,Jiangxi 330047,China2Lattice Power(Jiangxi)Corporation,Nanchang,Jiangxi 330029,China);Study on Aging Characterization of 1 W Epitaxy on Si Substrate Blue LED Based on Different Substrates[J];Acta Optica Sinica;2010-06
6 Ye Renguang Xu Shiqing Hua Youjie Cui Zhiguang Deng Degang Wang HuanpingZhao Shilong Huang Lihui(College of Materials Science and Engineering,China Jiliang University,Hangzhou,Zhejiang 310018,China);Optical Properties of Eu~(2+)/Sm~(3+) Co-Doped Silicate Glass[J];Acta Optica Sinica;2010-07
7 Rao Han1,2 Xia Changtai2 Chu Benli1 Ding Peng1 Sai Qinglin21School of Physics and Telecommunications Engineering,South China Normal University,Guangzhou,Guangdong 510006,China2Key Laboratory of Materials for High Power Laser,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;Luminescence of Mn~(2+) and Cr~(3+) and Their Energy Transfer in MgAl_2O_4[J];Acta Optica Sinica;2010-07
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9 Dong Wei Yuan Zundong Lu Xiaofeng(National Institute of Metrology,Beijing 100013,China);Research on the Nonlinearity of Photoelectric Pyrometer Based on Light-Emitting Diode Light Sources[J];Acta Optica Sinica;2010-08
10 Ding Deqiang Ke Xizheng (Automation and Information Engineering School, Xi′an University of Technology, Xi′an, Shaanxi 710048, China);Research on Generalized Mathematic Radiation Model for White LED[J];Acta Optica Sinica;2010-09
【Secondary Citations】
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4 Yuan Jianhui~(1,2) Zhang Zhenhua~1 Wang Xiaojun~3 Cheng Yumin~2 1 Department of Physics and Electronic Science,Changsha University of Science & Technology,Changsha 410077 2 Shanghai Institute of Applied Mathematics and Mechanics,Shanghai University, Shanghai 200072 3 Key Laboratory of Excited State Processes,Changchun Institute of Optics,Fine Mechanics and Physics, The Chinese Academy of Sciences,Changchun 130033;Effects of Crystallinity of Raw Material Y_2O_3 on Luminescent Character of Y_2O_2S∶Eu~(3+)[J];Acta Optica Sinica;2005-09
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