Results 11 to 20 of about 2,459,490 (237)

LED Mini Lidar for Atmospheric Application

Sensors, 2019
The creation of a compact and easy-to-use atmospheric lidar has been the aim of researchers for a long time. Micro Pulse Lidars (MPL) and commercialized ceilometers were designed for such purposes.
Tatsuo Shiina
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Atmosphere Activity Measurement by LED Raman Mini Lidar [PDF]

EPJ Web of Conferences, 2020
The LED mini lidar was improved to monitor Raman scattering echoes. The Raman scattering signal indicates a certain gas concentration and it can distinguish the target from the other materials.
Shiina Tatsuo
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265nm LED mini-lidar -Theoretical Approach- [PDF]

EPJ Web of Conferences
The LED mini-lidar is discussed to install DUV-LED device in theoretical approach. The short wavelength of 265nm is in solar blind region, and it has potential to observe the low and surface atmosphere in daytime with its handy lidar setup. In this study,
Shiina Tatsuo, Kawakami Yasuyuki, Ikeda Takumi, Katano Kunihiko   +3 more
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Ultra-High Light Extraction Efficiency and Ultra-Thin Mini-LED Solution by Freeform Surface Chip Scale Package Array

Crystals, 2019
In this study, we present a novel type of package, freeform-designed chip scale package (FDCSP), which has ultra-high light extraction efficiency and bat-wing light field.
Che-Hsuan Huang, Chieh-Yu Kang, Shu-Hsiu Chang, Chih-Hao Lin, Chun-Yu Lin, Tingzhu Wu, Chin-Wei Sher, Chien-Chung Lin, Po-Tsung Lee, Hao-Chung Kuo   +9 more
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Uniform Illumination Realized by Large Viewing Angle of Gallium Nitride-Based Mini-LED Chip With Translucent Sublayer Pairs

IEEE Access, 2021
The advent of mini-light-emitting diodes (mini-LEDs) represents a recent advancement in display technology. The biggest advantage of mini-LEDs over traditional backlight LED panels is that the LED array facilitates the local dimming of light intensity ...
Liang Xu, Chuang Chia Ming, Yuan Li, Kaiping Fan, Miao Zhang, Huiqing Sun, Zhiyou Guo   +6 more
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Explore Luminance Attenuation and Optical Crosstalk of RGB Mini Light-Emitting Diode via Microscopic Hyperspectral Imaging

IEEE Journal of the Electron Devices Society, 2022
In this article, we experimentally and quantitatively investigate the luminance attenuation for red, green, and blue mini light-emitting diodes (LEDs), and the optical crosstalk in the RGB mini-LED array under different working currents via the ...
Lili Zheng, Ziquan Guo, Yijun Lu, Peixin Zeng, Shouqiang Lai, Guolong Chen, Yulin Gao, Lihong Zhu, Weijie Guo, Yi Lin, Zhong Chen   +10 more
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Improving Mini-LED Pattern Quality by Using Distributed Bragg Reflector and Digital Twin Technology

Crystals, 2022
Fine-pitch backlight technology is rapidly evolving along with display technology, and chips are increasingly designed for direct integration with modules.
Shu-Hsiu Chang, Che-Hsuan Huang, Chatherine Langpoklakpam, Konthoujam James Singh, Chien-Chung Lin, Hao-Chung Kuo   +5 more
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3.8 Gb/s PAM-4 UOWC System Over a 2-m Underwater Channel Enabled by a Single-Pixel 175-μm GaN-Based Mini-LED

IEEE Photonics Journal, 2022
Blue/green light-emitting diodes (LEDs) have been studied extensively in medium/short-distance underwater optical wireless communication (UOWC), while available commercial bandwidth-limited LEDs cannot support the increased capacity.
Chao Zhang, Zixian Wei, Xueyang Li, Yibin Li, Lei Wang, Lai Wang, H. Y. Fu, Yanfu Yang   +7 more
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Research on a Novel GaN-Based Converted Mini-LED Backlight Module via a Spectrum-Decouple System

IEEE Access, 2020
Owing to the development of modern display technology, micro- and mini-light-emitting diodes (LEDs) have affected technological advancements in the display industry.
Che-Hsuan Huang, Shu Hsiu Chang, Been-Yu Liaw, Cheng-Yi Liu, Chia-Yueh Chou, Jia-Rou Zhou, Chien-Chung Lin, Hao-Chung Kuo, Li-Jun Song, Feng Li, Xinke Liu   +10 more
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Fine-grained phosphors for red-emitting mini-LEDs with high efficiency and super-luminance

Journal of Advanced Ceramics, 2022
Mini-LED backlights, combining color conversion materials with blue mini-LED chips, promise traditional liquid crystal displays (LCDs) with higher luminance, better contrast, and a wider color gamut.
Yu Kang, Shuxing Li, Rundong Tian, Guangzhu Liu, Haorui Dong, Tianliang Zhou, Rong-Jun Xie   +6 more
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