Results 21 to 30 of about 5,655 (223)

Fast Control for Backlight Power-Saving Algorithm Using Motion Vectors from the Decoded Video Stream

Sensors, 2022
Backlight power-saving algorithms can reduce the power consumption of the display by adjusting the frame pixels with optimal clipping points under some tradeoff criteria. However, the computation for the selected clipping points can be complex.
Shih-Lun Chen, Tsung-Yi Chen, Ting-Lan Lin, Chiung-An Chen, Szu-Yin Lin, Yu-Liang Chiang, Kun-Hsien Tung, Wei-Yuan Chiang   +7 more
doaj   +1 more source

Physiologic aspects of designing hidden information systems based on visible optical radiation

Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2015
The paper presents the methodology and experimental results of the study of human eye sensitivity in central and peripheral vision field to the visible light pulses.
V. V. Brailovskii, M. G. Rozhdestvenskaya, I. V. Pislar, O. V. Poshak   +3 more
doaj   +1 more source

Miniature DC-DC Boost Converter for Driving Display Panel of Notebook Computer

Energies, 2019
This paper proposes a miniature DC-DC boost converter to drive the display panel of a notebook computer. To reduce the size of the circuit, the converter was designed to operate at a switching frequency of 1 MHz.
Seok-Hyeong Ham, Hyung-Jin Choe
doaj   +1 more source

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

A Stronger Aadaptive Local Dimming Method with Details Preservation

Applied Sciences, 2020
Local dimming technology focuses on improving the contrast ratio of the displayed images for a great visual perception. It consists of backlight extraction and pixel compensation.
Tao Zhang, Wenli Du, Hao Wang, Qin Zeng, Long Fan   +4 more
doaj   +1 more source

Steerable patterned OLED backlight for autostereoscopic display application

, 2022
Paper 96290Q, 5 S.OLED can be applied as highly efficient and high-resolution patternable illumination source for controllable and steerable backlights, e.g., for use in autostereoscopic displays.
Hild, Olaf Rüdiger, Fehse, Karsten, Knobbe, Jens, Richter, Bernd, Wartenberg, Philipp, Vogel, Uwe, Scholles, Michael   +6 more
core   +1 more source

Assessment of Background Illumination Influence on Accuracy of Measurements Performed on Optical Coordinate Measuring Machine Equipped with Video Probe

Sensors, 2021
Currently the Coordinate Measuring Technique is facing new challenges both in terms of used methodology and a speed of measurement. More and more often modern optical systems or multisensor systems replace classic solutions.
Wiktor Harmatys, Adam Gąska, Piotr Gąska, Maciej Gruza, Jerzy A. Sładek   +4 more
doaj   +1 more source

Using the Guided Fireworks Algorithm for Local Backlight Dimming

Applied Sciences, 2019
Local backlight dimming is a promising display technology, with good performance in improving the visual quality and reducing the power consumption of device displays.
Tao Zhang, Xin Zhao, Yifei Wang, Qin Zeng   +3 more
doaj   +1 more source

Performance evaluation of dual-layer architectures for high dynamic range head mounted displays

Journal of Information Display, 2023
A high dynamic range head mounted display (HDR-HMD) using a dual-layer per-pixel modulation method was recently demonstrated where both the display and modulation layers spatially overlap with an equal pixel resolution and are well-aligned to each other ...
Miaomiao Xu, Hong Hua
doaj   +1 more source

Color Performance Of An Mva-Lcd Using An Led Backlight

, 2008
The color performance, including color gamut, color shift, and gamma curve, of a multidomain vertical-alignment (MVA) liquid-crystal display (LCD) using an LED backlight are calculated quantitatively.
Nie, Xiangyi, Lu, Ruibo, Wu, Shin Tson
core   +2 more sources