Efficiency Control in Iridium Complex-Based Phosphorescent Light-Emitting Diodes by Boucar Diouf, Woo Sik Jeon, Ramchandra Pode, Jang Hyuk Kwon

“…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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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

“…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

“…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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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

“…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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To Enhance Light Extraction for Organic Light-Emitting Diodes by Body Modification of Substrate by Jun Wang, Chong Wang, Yadong Jiang

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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

“…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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Heterogeneously integrated light emitting diodes and photodetectors in the metal-insulator-metal waveguide platform by Kwon Kyungmok, Park Junghoon, You Jong-Bum, Yu Kyoungsik

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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

“…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

“…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

“…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

“…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

“…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

“…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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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

“…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

“…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

“…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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Deterioration of Li-doped phenanthroline-based charge generation layer for tandem organic light-emitting diodes by Ki Ju Kim, Sunwoo Kang, Taekyung Kim

“…Understanding the deterioration of the charge generation layer (CGL) is an uprising issue for efficient and stable tandem organic light-emitting diodes. Here, we comprehensively investigated the change in the electrical characteristics of Li-doped CGLs according to different stress conditions and compared the stability of Li diffusion in two phenanthroline-based electron transport materials. …”
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Nanosecond pulsed current source for light emitting diode (LED) driven photoacoustic signal acquisition systems by Avishek Das, Manojit Pramanik

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White Organic Light-Emitting Diodes Using Two Phosphorescence Materials in a Starburst Hole-Transporting Layer by Tomoya Inden, Tomoya Hishida, Masayuki Takahashi, Masato Ohsumi, Naoki Ohtani

“…We fabricated two kinds of white organic light-emitting diodes (WOLEDs); one consisted of two emissive materials of red and blue, and the other of three emissive materials of red, green, and blue. …”
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Tunneling assisted p-contact free GaN-InGaN green light-emitting diodes by Jamshad Bashir, Muhammad Usman, Shazma Ali, Laraib Mustafa

“…The effects of bottom tunnel junction (TJ) on optoelectronic characteristics of green light-emitting diodes are analyzed numerically. Our proposed LED has enhanced internal quantum efficiency (IQE), radiative recombination rate, and carrier concentration in comparison to reference conventional LED. …”
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