Hoi Sing Kwok
Hong Kong University of Science and Technology
1218 Papers
9.8K Citations
Hoi Sing Kwok is an academic researcher from Hong Kong University of Science and Technology. The author has contributed to research in topics: Liquid crystal & Thin-film transistor. The author has an hindex of 77, co-authored 1165 publications. Previous affiliations of Hoi Sing Kwok include University of Hong Kong & University of California, Berkeley.
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Papers
Controlled growth and critical currents of bi-textured YBa2Cu3O7−δ films on yttria stabilized zirconia substrate
TL;DR: In this paper, the relationship between Jc reduction across a single GB and in a polycrystalline thin film sample with many GB's was investigated using percolation calculation.
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Generalized mixed-mode reflective LCDs with large cell gaps and high contrast ratios
TL;DR: In this paper, a generalized mixed twisted-nematic/birefringent effect mode reflective LCD is presented, which encompasses all previously published reflective nematic LCD modes and is clearly shown on the parameter space diagrams.
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Patent
Method, materials and apparatus for driving gray-scale bistabel cholesteric displays
W.C. Yip,Hoi Sing Kwok,Cheryl Sun +2 more
- 10 May 2002
TL;DR: In this article, a method for controlling grey-scale modulation of a reflective bistable cholesteric display by applying selected sequences of high and low pulses to modulate the CH domain size and helical axis orientation is presented.
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Towards High Efficiency Solid Emitters with Aggregation‐Induced Emission and Electron‐Transport Characteristics
Wang Zhang Yuan,Shuming Chen,Jacky W. Y. Lam,Chunmei Deng,Ping Lu,Herman H. Y. Sung,Ian D. Williams,Hoi Sing Kwok,Yongming Zhang,Ben Zhong Tang +9 more
TL;DR: In this paper, a bluish green emitter with aggregation-induced emission activity and excellent electron-transport properties is presented. But the authors focus on the bluish-green emitter (I) only.
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