Results 21 to 30 of about 56,742 (198)
Highly Efficient Ultra-Thin EML Blue PHOLEDs with an External Light-Extraction Diffuser
Nanomaterials, 2023 In this study, various diffusers are applied to highly efficient ultra-thin emission layer (EML) structure-based blue phosphorescent organic light-emitting diodes (PHOLEDs) to improve the electroluminescence (EL) characteristics and viewing angle.
Shin-Woo Kang +3 more
doaj +1 more source
Dual-View Integral Imaging System With Wide Viewing Angle And High Spatial Resolution
IEEE Photonics Journal, 2020 In this paper, a dual-view integral imaging system is proposed to present two different 3D images for viewers in different viewing zones. For most of the conventional dual-view integral imaging systems, either the viewing angle or the spatial resolution ...
Huan Deng +4 more
doaj +1 more source
Refined Test and Evaluation Method of Side Viewing Angle of LED Display Module
Applied Sciences, 2022 In order to classify light-emitting diode (LED) display units with a specific luminous direction and improve the uniformity of the display screen, this paper proposes a classification method for the basic component of the LED display, i.e., the display ...
Shuo Huang +4 more
doaj +1 more source
Holographic Near-Eye 3D Display Method Based on Large-Size Hologram
Frontiers in Materials, 2021 In this paper, we propose a holographic near-eye 3D display method based on large-size computer-generated hologram (CGH). The reconstructed image with a large viewing angle is obtained by using a time multiplexing and spatial tiling system.
Su-Juan Liu +4 more
doaj +1 more source
Sensors, 2023 Infrared thermographs (IRTs) are commonly used during disease pandemics to screen individuals with elevated body temperature (EBT). To address the limited research on external factors affecting IRT accuracy, we conducted benchtop measurements and ...
Siavash Mazdeyasna +2 more
doaj +1 more source
Expansion of Image Space in Enhanced-NA Fresnel Holographic Display
Applied Sciences, 2022 The enhanced-NA Fresnel hologram reconstructs a holographic image at a viewing angle larger than the diffraction angle of a hologram pixel. The image space is limited by the bandwidth of a digital hologram.
Byung Gyu Chae
doaj +1 more source
Wide-viewing integral imaging system using polarizers and light barriers array
Journal of the European Optical Society-Rapid Publications, 2017 Background Integral imaging is considered one of the most promising three-dimensional display technologies, while the limited viewing angle is regarded as a primary disadvantage of integral imaging display to reach a commercial level. This paper proposes
Ying Yuan +3 more
doaj +1 more source
Viewing Short Gamma-Ray Bursts From a Different Angle
Frontiers in Astronomy and Space Sciences, 2020 The detection of a faint, short gamma-ray burst (GRB 170817A) in coincidence with the gravitational wave (GW 170817) detection by LIGO/Virgo is at odds with the expected known luminosity and redshift distribution of short GRBs (sGRB).
J. Michael Burgess +6 more
doaj +1 more source
Viewing Angle of Binary Neutron Star Mergers
Physical Review X, 2019 The joint detection of the gravitational wave (GW) GW170817 and its electromagnetic (EM) counterparts GRB170817A and kilonova AT 2017gfo has triggered extensive study of the EM emission of binary neutron star mergers.
Hsin-Yu Chen +2 more
doaj +1 more source
Ultrathin wide-angle large-area digital 3D holographic display using a non-periodic photon sieve
Nature Communications, 2019 3D holographic displays still face many challenges such as small viewing angle and image size. Here the authors present a scalable method for displaying large holographic images with a wide viewing angle using a wide-angle diffracting element in a flat ...
Jongchan Park +2 more
doaj +1 more source