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Optimization of light efficacy and angular color uniformity by hybrid phosphor particle size for white light-emitting diodeDong-Chuan Chen1,2,Zhu-Guang Liu2,Zhong-Hua Deng2,Chong Wang2,Yong-Ge... color uniformity while only slightly reduce light efficacy. The optimal performance with angular color uniformity of91.6 % as well as normalized light efficacy of 95.7 % is achieved in the white light......
-emitting diodes and other optical devices. Key words: glass-ceramics; phosphate; white light emitting diode; photoluminescence 白光发光二极管(WLED)具有亮度高,体积小,响应时间快,能耗低,寿命长,环境友好等优点,被公认为是在将来最有希望取代白炽灯和荧光灯的新一代固体照明光源... bands allows the realization of white light emitting. Moreover, luminescent color gradually from blue white to white emission is observed in the photoluminescent spectra of Ce/Tb/Mn co-doped glass......
of the limitations of solid metal heat sink in the heat dissipation of high power light emitting diode (LED), a kind of miniaturized phase change heat sink is developed for high power LED packaging.... Heat transfer performance testing of a new type of phase change heat sink for high power light emitting diode [J]. Journal of Central South University, 2018, 25(7): 1708–1716. DOI: https://doi.org......
Orange-red, green, and blue ?uorescence carbon dots for white light emitting diodesLing Jin1,Li Zhang1,Lei Yang2,Xingrong Wu1,3,Cheng Zhang1,Kang Wei1,Lifang He1,Xinya Han1,Hongbin Qiao1,Abdullah... were dispersed in polyvinyl alcohol(PVA) matrix to yield solid state films,where the self-quenching effect in solid state was effectively avoided.A full-color light-emitting diode was fabricated......
,Baoding 071002,China) Abstract:In order to prepare fluorescent material for white Light Emitting Diodes (LEDs), a new Eu3+ activated molybdate phosphor SrMoO4 was fabricated with solid-state... it was sintered at 800 ℃ for 3 h. Key words:white light emitting diodes (WLED); red phosphor; molybdate; XRD; luminescent intensity; rare earths; [全文内容正在添加中] ......
January 2011 Abstract: A novel phase change heat sink was fabricated for packaging cooling of high power light emitting diode (LED). 3D structures as enhanced boiling structure in the evaporation... at ambient temperature of 20 °C. Key words: high power light emitting diode; phase change heat sink; enhanced boiling; wick; heat transfer performance 1 Introduction High power light emitting diode......
Incorporation of Si-Ninducing white light of SrAl2Si2O8:Eu2+,Mn2+ phosphor for white light emitting diodes郑玺1,费沁妮1,毛智勇2,刘艳花3,蔡毅1,陆启飞1,2,田华1,2,王达健1,2,31. School of Materials Science and Engineering... Materials and Devices摘 要:Photoluminescence (PL) and colorimetric properties of white-light emission SrAl2Si2O8:Eu2+,Mn2+ phosphor were tuned effectively......
Incorporation of Si-Ninducing white light of SrAl2Si2O8:Eu2+,Mn2+ phosphor for white light emitting diodes郑玺1,费沁妮1,毛智勇2,刘艳花3,蔡毅1,陆启飞1,2,田华1,2,王达健1,2,31. School of Materials Science and Engineering... Materials and Devices摘 要:Photoluminescence (PL) and colorimetric properties of white-light emission SrAl2Si2O8:Eu2+,Mn2+ phosphor were tuned effectively......
Recent development in rare earth doped phosphors for white light emitting diodes王育华1,2,朱革1,2,辛双宇1,2,王倩1,2,李艳艳1,2,吴泉生1,2,王闯1,2,王希成1,2,丁鑫1,2,耿婉莹1,21. Key Laboratory for Special Function Materials...="ChDivSummary">As new light sources for next-generation illumination, white light-emitting diodes(WLEDs) have been extensively developed and are commercially available due to their excellent advantages......
Recent development in rare earth doped phosphors for white light emitting diodes王育华1,2,朱革1,2,辛双宇1,2,王倩1,2,李艳艳1,2,吴泉生1,2,王闯1,2,王希成1,2,丁鑫1,2,耿婉莹1,21. Key Laboratory for Special Function Materials...="ChDivSummary">As new light sources for next-generation illumination, white light-emitting diodes(WLEDs) have been extensively developed and are commercially available due to their excellent advantages......
