Results 51 to 60 of about 504,167 (178)

Comparative Analysis of Optoelectrical Performance in Laser Lift-Off Process for GaN-Based Green Micro-LED Arrays

open access: yesNanomaterials, 2023
This work explores the pivotal role of laser lift-off (LLO) as a vital production process in facilitating the integration of Micro-LEDs into display modules.
Chuanbiao Liu, Feng Feng, Zhaojun Liu
doaj   +1 more source

RadioAstron space-VLBI project: studies of masers in star forming regions of our Galaxy and megamasers in external galaxies [PDF]

open access: yes, 2017
Observations of the masers in the course of RadioAstron mission yielded detections of fringes for a number of sources in both water and hydroxyl maser transitions. Several sources display numerous ultra-compact details. This proves that implementation of
Alakoz, A. V.   +3 more
core   +1 more source

Design and Fabrication of Fine-Pitch Pixelated-Addressed Micro-LED Arrays on Printed Circuit Board for Display and Communication Applications

open access: yesIEEE Journal of the Electron Devices Society, 2017
In this paper, we report the design and fabrication of fine-pitch and pixelated-addressed micro-light emitting diode (LED) arrays with emission wavelengths of red (R), green (G), blue (B), and infrared (IR).
Deng Peng, Ke Zhang, Zhaojun Liu
doaj   +1 more source

Control system for a superconducting rectifier using a microcomputer [PDF]

open access: yes, 1981
Within the scope of a research program of superconducting rectifiers software is being developed to take care of the control of such systems. The hard-ware architecture which interferes with the in and output signals is based on a LSI-11/2 microprocessor
Caspari, Meindert   +4 more
core   +4 more sources

The Stability of Metal Halide Perovskite Nanocrystals—A Key Issue for the Application on Quantum-Dot-Based Micro Light-Emitting Diodes Display

open access: yesNanomaterials, 2020
The metal halide perovskite nanocrystal (MHP-NC), an easy-to-fabricate and low cost fluorescent material, is recognized to be among the promising candidates of the color conversion material in the micro light-emitting diode (micro-LED) display, providing
Zhibin Shangguan   +8 more
doaj   +1 more source

Efficiency Boosting by Thermal Harvesting in InGaN/GaN Light-Emitting Diodes

open access: yesFrontiers in Physics, 2021
On the same micro-LED display panel, LED pixels are always operated with high and low biased voltages simultaneously to show different brightness and colors.
Shunpeng Lu   +6 more
doaj   +1 more source

Position Calibration and Pixel Correction for Uneven Brightness Micro LED Display

open access: yesIET Circuits, Devices and Systems
Due to process deviations (Devs) in Micro LEDs, the luminous efficiency of each individual Micro LED can differ. Consequently, this leads to uneven luminance across the Micro LED matrix panel.
Shih-Chang Hsia   +2 more
doaj   +1 more source

TechNews digests: Jan - Nov 2005 [PDF]

open access: yes, 2005
TechNews is a technology, news and analysis service aimed at anyone in the education sector keen to stay informed about technology developments, trends and issues. TechNews focuses on emerging technologies and other technology news.

core  

Development of Low Cost Private Office Access Control System (OACS)

open access: yes, 2012
Over the years, access control systems have become more and more sophisticated and several security measures have been employed to combat the menace of insecurity of lives and property.
Khan, Sadeque Reza
core   +1 more source

Fabrication and Study on Red Light Micro-LED Displays

open access: yesIEEE Journal of the Electron Devices Society, 2018
A red-light micro LED display made of an AlGaInP epilayer with a resolution of 64 × 32 pixels, a pitch of 175 μm and a luminous area of 1 cm × 0.5 cm was fabricated and characterized in this study.
Ray-Hua Horng   +3 more
doaj   +1 more source

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