Zobrazeno 1 - 10
of 2 650
pro vyhledávání: '"Light extraction"'
Autor:
Qilong Tan, Jie Zhao, Qixin Li, Huan Liu, Bin Dong, Chenguang He, Zhitao Chen, Wen Zhou, Ningyang Liu
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 3, Pp n/a-n/a (2024)
Total internal reflection prevents photons from escaping deep‐ultraviolet (DUV) LED, resulting in serious energy waste and reduced service life. To lift the limitation of extraction ability of AlGaN‐based DUV LEDs, an inspiration was drawn from b
Externí odkaz:
https://doaj.org/article/29dc0993bad249af9120398884922617
Publikováno v:
Results in Optics, Vol 13, Iss , Pp 100570- (2023)
A newly truncated micro-cone array film as light extraction layer for organic light emitting diodes (OLEDs) has been developed, which was fabricated by process combined with photolithography, polydimethylsiloxane (PDMS) molding, self-assembled anti-a
Externí odkaz:
https://doaj.org/article/84696a44a4ba4b16948ffca2bc3e2ca1
Autor:
Liubing Wang, Fujun Xu, Jing Lang, Jiaming Wang, Lisheng Zhang, Xueqi Guo, Chen Ji, Xiangning Kang, Xuelin Yang, Xinqiang Wang, Zhixin Qin, Weikun Ge, Bo Shen
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 2, Pp 1-5 (2023)
Improving light extraction efficiency (LEE) of AlGaN-based deep-ultraviolet (DUV) light emitting diodes (LEDs) has been attempted by thinning the p-AlGaN/p-GaN layer and adopting Ni/Au/Al composite electrodes. It is found that the thin p-AlGaN/p-GaN
Externí odkaz:
https://doaj.org/article/770b5e61d864403a93f99d0622c83d7a
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-5 (2023)
In order to improve the light extraction efficiency (LEE) of a plane AlGaAs-based LED (Device A), three different surface periodic micron-scale arrays, micron pillar (Device B), micron truncated cone (Device C) and micron cone (Device D), are prepare
Externí odkaz:
https://doaj.org/article/31e06ae1a2db45ac87e149c6300312b6
Autor:
Baeksang Sung, Chul Woong Joo, Jun Chang Yang, Akpeko Gasonoo, Seung Wan Woo, Jae-Hyun Lee, Steve Park, Jonghee Lee
Publikováno v:
Journal of Information Display, Vol 24, Iss 1, Pp 71-79 (2023)
In this paper, we propose the application of an optical property-enhancement film that complements the angular dependence and total reflection of top-emitting organic light-emitting diodes (TEOLEDs). The optical property-enhancement film is composed
Externí odkaz:
https://doaj.org/article/06235ccac99640d0ab97fb1c7e3e46a0
Autor:
Bohae Lee, Han-Youl Ryu
Publikováno v:
Crystals, Vol 14, Iss 3, p 241 (2024)
We investigated the effect of cross-sectional shape and size on the light-extraction efficiency (LEE) of GaN-based blue nanorod light-emitting diode (LED) structures using numerical simulations based on finite-difference time-domain methods. For accu
Externí odkaz:
https://doaj.org/article/c63dc2c3aff04a5a96d462c6d1192d7e
Publikováno v:
Machine Learning: Science and Technology, Vol 5, Iss 2, p 025076 (2024)
Optimizing the shapes and topology of physical devices is crucial for both scientific and technological advancements, given their wide-ranging implications across numerous industries and research areas. Innovations in shape and topology optimization
Externí odkaz:
https://doaj.org/article/91585b592e134971b2ca34a75addcf48
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