Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Kei-Hsiung Yang"'
Autor:
Ting-Hang Pei, Kei-Hsiung Yang
Publikováno v:
Frontiers in Photonics. 3
The analytical distribution of the electric field in a micro-lens made of polymer-stabilized blue phase liquid crystals (PS-BPLCs) between two electrodes has been derived, and ray bending and focusing for the o (ordinary) and e (extraordinary) rays c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9f6b7e75e819447c39e9bb97da66ebe
https://doi.org/10.3389/fphot.2022.960142
https://doi.org/10.3389/fphot.2022.960142
Autor:
Po An Chen, Kei-Hsiung Yang
Publikováno v:
Liquid Crystals. 46:203-209
Under 1-kHz and low-frequency driving, we report our investigation of intra-cell ionic properties of two twisted nematic (TN) liquid crystal (LC) cells made of same LC mixture but different polyimide (PI) materials for LC alignments. A heterodyne int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::640c220dbd321a74d4f80a3494b9d5ea
https://doi.org/10.1080/02678292.2018.1484193
https://doi.org/10.1080/02678292.2018.1484193
Autor:
Che-Wen Chiang, Kei-Hsiung Yang
Publikováno v:
Liquid Crystals. 46:108-113
We have applied the light-scattering equation caused by liquid-crystal (LC)-director fluctuations as derived by De Gennes [1] to the case where the polarization direction of the incident light is a...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::677b0845f2fc06ca33f734063944d9b4
https://doi.org/10.1080/02678292.2018.1473647
https://doi.org/10.1080/02678292.2018.1473647
Autor:
Po An Chen, Kei-Hsiung Yang
Publikováno v:
Liquid Crystals. 45:1032-1039
By using electro-optical and dielectric absorption [1–4] measurements, we report our investigations of ionic effects on electro-optics and residual direct current voltages (VrDCs) of two po...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::143e6ce6f55da6ab74eaa54c19454617
https://doi.org/10.1080/02678292.2017.1404154
https://doi.org/10.1080/02678292.2017.1404154
Publikováno v:
Journal of Display Technology. 10:1024-1029
We have developed a simple optical method based on measurements of phase retardation versus out-of-plane cell rotation angle and data analyzed by extended Jones matrix method to obtain pretilt angles of inverse twisted nematic (ITN) and tilted homeot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d09592dd15c76f5e4da89dc1180d44b
https://doi.org/10.1109/jdt.2014.2334897
https://doi.org/10.1109/jdt.2014.2334897
Publikováno v:
Measurement. 51:236-240
Display pixels of liquid-crystal-display televisions (LCD TVs) on thin-film-transistor (TFT) array are getting smaller. This paper introduced the method of voltage imaging technique, which developed and provides initial insight into the thin-film-tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::029c41b29f442ccf3baea4125d45acea
https://doi.org/10.1016/j.measurement.2014.02.022
https://doi.org/10.1016/j.measurement.2014.02.022
Publikováno v:
Displays. 33:173-177
We have utilized a transmission ratio (TR) between curtain-shaped (Curtain) Mura and non-Mura zones as a key parameter to characterize the optical appearance of Curtain Mura occurred on a 13.3-in TFT–TN panel (Mura sample) after bonding process to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::326e627314199058a0f9bbef9fb2d7cc
https://doi.org/10.1016/j.displa.2012.08.002
https://doi.org/10.1016/j.displa.2012.08.002
Publikováno v:
SID Symposium Digest of Technical Papers. 43:297-300
Curtain Mura is caused by stress-induced change in optical parameters of the TFT-TN panel after COG ACF process. We have used simulation to identify the most sensitive optical parameters among cell gap, pretilt and twist angles that could be changed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edc3793a3affb742c8e417fb00b90b87
https://doi.org/10.1002/j.2168-0159.2012.tb05773.x
https://doi.org/10.1002/j.2168-0159.2012.tb05773.x
Publikováno v:
SID Symposium Digest of Technical Papers. 45:1439-1441
In general, the optical properties of any general twisted nematic cells consist of two complementary effects: LC-birefringent and LC-director-twist effects. In this paper, electro-optical properties of ITN cells without chiral dopants with different
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::597a69190bdfc87f60276af543005aa6
https://doi.org/10.1002/j.2168-0159.2014.tb00380.x
https://doi.org/10.1002/j.2168-0159.2014.tb00380.x
Autor:
Chun-Te Wu, Tai-Shun Liao, Kei-Hsiung Yang, Ping-Ho Lin, Rong-Hui Lin, Ming-Pin Huang, Po-Sheng Shih, Jiunn-Shyong Lin, Ming-Chieh Chang
Publikováno v:
SID Symposium Digest of Technical Papers. 38:1171-1174
A novel low-cost and high contrast-ratio IPS (in-plane switching) LC mode, named Advanced Super Non-Organic Overcoat (AS-NOOC), has been successfully developed. Compared to the published AS-IPS mode, the AS-NOOC mode has the advantages of simpler pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::077cc16a25d36af56ef1237666b7b9a2
https://doi.org/10.1889/1.2785518
https://doi.org/10.1889/1.2785518