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

Innovative Stacked Yellow and Blue Mini-LED Chip for White Lamp Applications

Micromachines
This study introduces a novel approach for fabricating vertically stacked mini-LED arrays, integrating InGaN yellow and blue epitaxial layers with a stress buffer layer to enhance optoelectronic characteristics and structural stability.
Tzu-Yi Lee, Chien-Chi Huang, Wen-Chien Miao, Fu-He Hsiao, Chia-Hung Tsai, Yu-Ying Hung, Fang-Chung Chen, Chun-Liang Lin, Kazuhiro Ohkawa, Jr-Hau He, Yu-Heng Hong, Hao-Chung Kuo   +11 more
doaj   +3 more sources

Advancing LED technology: the FDCSP element’s breakthrough in mini and micro-LED packaging and backlight module enhancement

Discover Nano
In this research, we introduce an advanced methodology for the calculation of bulk light sources tailored for free-form surface design, focusing on the principle of energy conservation.
Jo-Hsiang Chen, Che-Hsuan Huang, Tzu-Yi Lee, Fang-Chung Chen, Tsung-Sheng Kao, Hao-Chung Kuo   +5 more
doaj   +3 more sources

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
doaj   +3 more sources

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
doaj   +1 more source

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
doaj   +1 more source

Mini-LED, Micro-LED and OLED displays: present status and future perspectives [PDF]

Light: Science & Applications, 2020
AbstractPresently, liquid crystal displays (LCDs) and organic light-emitting diode (OLED) displays are two dominant flat panel display technologies. Recently, inorganic mini-LEDs (mLEDs) and micro-LEDs (μLEDs) have emerged by significantly enhancing the dynamic range of LCDs or as sunlight readable emissive displays. “mLED, OLED, or μLED: who wins?” is
Yuge Huang, En-Lin Hsiang, Ming-Yang Deng, Shin-Tson Wu   +3 more
openaire   +2 more sources

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
doaj   +1 more source

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
doaj   +1 more source

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
doaj   +1 more source

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
doaj   +1 more source