Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Tsung-Xian Lee"'
Autor:
Ching-Cherng Sun, Wen-Kai Lin, Tsung-Hsun Yang, Zih-Fan Chen, Chi Sun, Wei-Chia Su, Shao-Kui Zhou, Yeh-Wei Yu, Tsung-Xian Lee, Chih-Yuan Cheng, Shiuan Huei Lin
Publikováno v:
iScience, Vol 27, Iss 6, Pp 110023- (2024)
Summary: We delve into the distinctive color gamut characteristics resulting from color dispersion of surface relief grating (SRG) and wavelength degeneracy of volume holographic optical element (VHOE) in a diffractive light guide. While a laser-like
Externí odkaz:
https://doaj.org/article/218d6689fc1145db8ba1dd5137fbd6e0
Autor:
Yeh-Wei Yu, Ming Le, Tsung-Hsun Yang, Cheng-Hsien Chen, Pin-Duan Huang, Chi-Shou Wu, Che-Chu Lin, Tsung-Xian Lee, Ching-Cherng Sun
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract The screen image synthesis (SIS) meter was originally proposed as a high-speed measurement tool, which fused the measured data from multiple sample-rotational angles to produce a whole-field measurement result. However, it suffered from stra
Externí odkaz:
https://doaj.org/article/d15946d537434eb3b45997e441b742a0
Autor:
Ching-Cherng Sun, Quang-Khoi Nguyen, Tsung-Xian Lee, Shih-Kang Lin, Chi-Shou Wu, Tsung-Hsun Yang, Yeh-Wei Yu
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract In this study, we proposed and demonstrated a circuit design for solving problems related to blue light leakage (e.g., eye damage) when phosphor-converted white light-emitting diodes (pcW-LEDs) overheat. This circuit only needs a positive th
Externí odkaz:
https://doaj.org/article/3553a61299064a509b8873a89b71fbe9
Autor:
Quang-Khoi Nguyen, Yi-Jou Lin, Ching Sun, Xuan-Hao Lee, Shih-Kang Lin, Chi-Shou Wu, Tsung-Hsun Yang, Tian-Li Wu, Tsung-Xian Lee, Chao-Hsin Chien, Yeh-Wei Yu, Ching-Cherng Sun
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract In this paper, we propose and demonstrate to use of a single reflector with 68 segments to project vehicle low beam and high beam with the use of a GaN-based mini-LED matrix, which is a 5 × 6 LED die array. The design of the reflector is ba
Externí odkaz:
https://doaj.org/article/7174a57153da49d9ae5cab3067a6b6b1
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 4, Pp 1-10 (2021)
This paper successfully establishes an optical model with dual green/red phosphor layers based on the original single-phosphor model. Since the re-absorption effect of double-layer phosphors causes spectral distortion, the model must introduce a corr
Externí odkaz:
https://doaj.org/article/3c9f29da1f5e4b328989b1650eb38da2
Publikováno v:
Applied Sciences, Vol 12, Iss 13, p 6311 (2022)
In recent years, the general public and the technology industry have favored stereoscopic vision, immersive experience, and real-time visual information reception of virtual reality (VR) and augmented reality (AR). The device carrier, the Head-Mounte
Externí odkaz:
https://doaj.org/article/99daa4ba8da74ff6834036cc72f1026f
Autor:
Tsung-Xian Lee, Yun-Chieh Huang
Publikováno v:
Crystals, Vol 9, Iss 1, p 21 (2018)
The Scattered Photon Extraction (SPE™) based on the concept of TIR lens combined with remote phosphor is proven to be one of the effective solutions for improving white LED efficiency, and it provides the omnidirectional light distribution for lumi
Externí odkaz:
https://doaj.org/article/25a93969b35c47eeb33e02bd727297e2
Autor:
Tsung-Xian Lee, 李宗憲
96
The light extraction efficiency of light-emitting diodes (LEDs) is limited by many effects. For this reason, we present a quantitative analysis model for LED light extraction characteristics based on Monte Carlo ray tracing method, According
The light extraction efficiency of light-emitting diodes (LEDs) is limited by many effects. For this reason, we present a quantitative analysis model for LED light extraction characteristics based on Monte Carlo ray tracing method, According
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/49986336503891749685
Autor:
Tsung-Xian Lee, 李宗憲
91
A new lensed-fiber with two different rods of a spherical end is proposed. The lens geometry and refractive index are changed to obtain various working distance and spot size. We analyze the characteristic of lensed-fiber, and demonstrate a l
A new lensed-fiber with two different rods of a spherical end is proposed. The lens geometry and refractive index are changed to obtain various working distance and spot size. We analyze the characteristic of lensed-fiber, and demonstrate a l
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/40625318602798055489
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 4, Pp 1-10 (2021)
This paper successfully establishes an optical model with dual green/red phosphor layers based on the original single-phosphor model. Since the re-absorption effect of double-layer phosphors causes spectral distortion, the model must introduce a corr