Showing 1 - 20 results of 172 for search '"Light-emitting diode"', query time: 0.07s Refine Results
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    Efficiency Control in Iridium Complex-Based Phosphorescent Light-Emitting Diodes by Boucar Diouf, Woo Sik Jeon, Ramchandra Pode, Jang Hyuk Kwon

    Published 2012-01-01
    “…Key factors to control the efficiency in iridium doped red and green phosphorescent light emitting diodes (PhOLEDs) are discussed in this review: exciton confinement, charge trapping, dopant concentration and dopant molecular structure. …”
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    Grain engineering for efficient near-infrared perovskite light-emitting diodes by Sung-Doo Baek, Wenhao Shao, Weijie Feng, Yuanhao Tang, Yoon Ho Lee, James Loy, William B. Gunnarsson, Hanjun Yang, Yuchen Zhang, M. Bilal Faheem, Poojan Indrajeet Kaswekar, Harindi R. Atapattu, Jiajun Qin, Aidan H. Coffey, Jee Yung Park, Seok Joo Yang, Yu-Ting Yang, Chenhui Zhu, Kang Wang, Kenneth R. Graham, Feng Gao, Quinn Qiao, L. Jay Guo, Barry P. Rand, Letian Dou

    Published 2024-12-01
    “…Abstract Metal halide perovskites show promise for next-generation light-emitting diodes, particularly in the near-infrared range, where they outperform organic and quantum-dot counterparts. …”
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    Improvement in Brightness Uniformity by Compensating for the Threshold Voltages of Both the Driving Thin-Film Transistor and the Organic Light-Emitting Diode for Active-Matrix Organic Light-Emitting Diode Displays by Ching-Lin Fan, Hao-Wei Chen, Hui-Lung Lai, Bo-Liang Guo, Bohr-Ran Huang

    Published 2014-01-01
    “…This paper proposes a novel pixel circuit design and driving method for active-matrix organic light-emitting diode (AM-OLED) displays that use low-temperature polycrystalline-silicon thin-film transistors (LTPS-TFTs) as driving element. …”
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    TECHNOLOGY OF LASER CUTTING OF SILICON WAFERS INTO ORGANIC LIGHT-EMITTING DIODE CHIPS by V. S. Kondratenko, V. I. Ivanov

    Published 2016-06-01
    “…The article deals with the matter of crystal quality in the production of microdisplays based on organic light-emitting diodes (OLEDs) after separation. This work aimed at increasing the product yield in cutting a silicon device wafer into chips by a method based on laser controlled thermocracking (LCT). …”
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    Progress in Performance of AlGaN‐Based Ultraviolet Light Emitting Diodes by Jing Lang, Fujun Xu, Jiaming Wang, Lisheng Zhang, Xuzhou Fang, Ziyao Zhang, Xueqi Guo, Chen Ji, Chengzhi Ji, Fuyun Tan, Yong Wu, Xuelin Yang, Xiangning Kang, Zhixin Qin, Ning Tang, Xinqiang Wang, Weikun Ge, Bo Shen

    Published 2025-01-01
    “…Abstract AlGaN‐based ultraviolet light‐emitting diodes (UV‐LEDs) have the advantages of mercury (Hg) pollution free, small size, high efficiency, and so on, and are widely used in military, medical, and industrial fields, which are considered to be the most promising alternative to the traditional Hg lamps. …”
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    The Selection of Anode and Cathode Materials for Top Emission Organic Light-Emitting Diodes by Fuh-Shyang Juang, Krishn Das Patel, Kuo-Chun Huang, Wen-Xaing Juang, Jeng-Yue Chen, Lin-Ann Hong

    Published 2022-01-01
    “…In this study top emission organic light-emitting diodes (TE-OLED) were successfully fabricated on flexible PET/multilayer disordered silver nanonetwork (MDSN) substrate with conventional LiF/Al as a semitransparent cathode and Ag as a reflective anode. …”
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    Highly bright perovskite light-emitting diodes enabled by retarded Auger recombination by Zhiqi Li, Qi Wei, Yu Wang, Cong Tao, Yatao Zou, Xiaowang Liu, Ziwei Li, Zhongbin Wu, Mingjie Li, Wenbin Guo, Gang Li, Weidong Xu, Feng Gao

    Published 2025-01-01
    “…Abstract One of the key advantages of perovskite light-emitting diodes (PeLEDs) is their potential to achieve high performance at much higher current densities compared to conventional solution-processed emitters. …”
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    SPECTRAL DISTRIBUTION OF SPONTANEOUS ELECTROLUMINESCENCE IN GREEN LIGHT EMITTING DIODES AT DIFFERENT EXCITATION LEVELS by D. S. Bobuchenko, D. S. Domanevskii, I. A. Khorunzhii, Yu. V. Trofimov, V. I. Tsvirko, R. D. Kakanakov

    Published 2015-04-01
    “…Metrological possibilities of a specialised measuring complex with which help electroluminescence spectra (EL) light-emitting diodes (LED) are received are studied. The analysis is carried out and forms of spectra of EL LED with a single quantum hole on the basis of model considering penetration into twodimensional active layer InGaN of electric field from barrier layers GaN adjoining to it and AlGaN are investigated. …”
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    Submicron quantum dot light-emitting diodes enabled by pixelated topological meta-mirror by Ye Taikang, Tian Dadi, Wu Dan, Sun Xiao Wei, Wang Kai

    Published 2025-01-01
    “…As a highly competitive display technology, the realization of pixelated full color quantum dot light emitting diodes (QLEDs) is an indispensable step for high resolution display. …”
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    Improvement in Device Performance and Reliability of Organic Light-Emitting Diodes through Deposition Rate Control by Shun-Wei Liu, Chih-Chien Lee, Yu-Ting Chung, Jiun-Haw Lee, Chin-Ti Chen, Juen-Kai Wang

    Published 2014-01-01
    “…We demonstrated a fabrication technique to reduce the driving voltage, increase the current efficiency, and extend the operating lifetime of an organic light-emitting diode (OLED) by simply controlling the deposition rate of bis(10-hydroxybenzo[h]qinolinato) beryllium (Bebq2) used as the emitting layer and the electron-transport layer. …”
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    Improving the charge transport of perovskite nanocrystal light-emitting-diodes through Benzylammonium ligand exchange by Minsik Gong, Dong Gyu Lee, Gwang Yong Shin, Yun Seop Shin, Donghwan Yun, Yunhye Jeong, Sang Wook Park, Chan Beom Park, Yung Jin Yoon, Sung Yong Bae, Yun-Hi Kim, Jin Young Kim, Tae Kyung Lee, Gi-Hwan Kim

    Published 2025-03-01
    “…Ligands on the NC surfaces can be substituted using ligand exchange, which significantly influence the properties and performance of LHP light-emitting diodes (LEDs). The alkyl chain in the surface ligands significantly affect external stimuli depending on their length. …”
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    The Investigation on Color Purity of Blue Organic Light-Emitting Diodes (BOLED) by Hole-Blocking Layer by Kan-Lin Chen, Chien-Jung Huang, Wen-Ray Chen, Chih-Chieh Kang, Wen-How Lan, Yu-Chen Lee

    Published 2013-01-01
    “…Organic light-emitting diodes (OLEDs) with triple hole-blocking layer (THBL) structure, which consist of 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (BCP), 4,4′-bis(2,2′diphenyl vinil)-1,1′-biphenyl (DPVBi), and (4,4′-N,N′-dicarbazole)biphenyl (CBP), have been fabricated. …”
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    Top-Emission Organic Light Emitting Diode Fabrication Using High Dissipation Graphite Substrate by Yu-Sheng Tsai, Lin-Ann Hong, Jian-Ji Huang, Kuan-Hung Yeh, Fuh-Shyang Juang

    Published 2014-01-01
    “…This study uses a synthetic graphite fiber as the heat dissipation substrate for top-emission organic light emitting diode (TEOLED) to reduce the impact from joule heat. …”
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    A handheld UV-C light-emitting diode decreases environmental contamination near the operative field by Rachael A. Turner, Roseann M. Johnson, Yasmin Yazdani-Farsad, Jessell Owens, Douglas A. Dennis, Jason M. Jennings

    Published 2024-01-01
    “…The purpose of this study was to assess the impact of a handheld ultraviolet-c (UV-C) light-emitting diode (LED) disinfection device on the decontamination of HTS in the operating room. …”
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    The effect of light-emitting diode-mediated photobiomodulation therapy on orthodontic tooth movement: A literature review by Rashin Bahrami, Nariman Nikparto, Fateme Gharibpour, Maryam Pourhajibagher, Abbas Bahador

    Published 2025-04-01
    “…This study aims to review and analyze the impact of light-emitting diode (LED) photobiomodulation (PBM) therapy on orthodontic tooth movement. …”
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    Enhancing the Out-Coupling Efficiency of Organic Light-Emitting Diodes Using Two-Dimensional Periodic Nanostructures by Qingyang Yue, Wei Li, Fanmin Kong, Kang Li

    Published 2012-01-01
    “…The out-coupling efficiency of planar organic light emitting diodes (OLEDs) is only about 20% due to factors, such as, the total internal reflection, surface plasmon coupling, and metal absorption. …”
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    Effects of Die-Attach Quality on the Mechanical and Thermal Properties of High-Power Light-Emitting Diodes Packaging by Piaopiao He, Jinlong Zhang, Jianhua Zhang, Luqiao Yin

    Published 2017-01-01
    “…The reliability of high-power light-emitting-diode (LED) devices strongly depends on the die-attach quality because voids may increase junction temperature and total thermal resistance of LED devices. …”
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