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Dive into the research topics where Kang-Hung Liu is active.

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Featured researches published by Kang-Hung Liu.


SID Symposium Digest of Technical Papers | 2004

P-101: A Single-Cell-Gap Transflective LCD

Yang-Yi Fan; H. C. Chiang; T. Y. Ho; Y. M. Chen; Y. C. Hung; I. J. Lin; Chia-Rong Sheu; Chung-Wen Wu; D. J. Chen; J. Y. Wang; B. C. Chang; Yi-Chun Wong; Kang-Hung Liu

We propose a novel design of the single cell gap transflective LCD. By using the photo-alignment technique, we fabricated a transflective LCD with the hybrid and homogeneous alignments in reflective and transmitting regions respectively. The higher aperture ratio and simpler process are the features of our design while compared to the design of dual cell gap. The experimental results showed good performances regarding to VHR, RDC and anchoring effects.


Journal of The Society for Information Display | 2005

Technologies toward flexible liquid‐crystal displays

Shie-Chang Jeng; Ku-Hsien Chang; Jau-Min Ding; Lung-Pin Hsin; Chun-Yuan Lin; Yan-Rung Lin; Kang-Hung Liu; Chih-Chiang Lu; Yi-An Sha; Hsing-Lung Wang; Chi-Chang Liao

— Several leading technologies for flexible liquid-crystal displays have been developed recently at ERSO. The roll-to-roll compatible techniques, polymer-added liquid crystal, have been applied on a film-like substrate. A flexible black-and-white cholesteric liquid-crystal display was also implemented by photo-induced phase separation. Color filters placed on a plastic substrate by a low-temperature manufacturing process was successfully fabricated. A novel design of a wide-viewing-angle color plastic LCD was also proposed.


SID Symposium Digest of Technical Papers | 2003

P‐112: A Novel LTPS Transflective TFT LCD Driving by Double Gamma Method

Chia-Rong Sheu; Kang-Hung Liu; Lung-Pin Hsin; Yang-Yi Fan; Ing-Jer Lin; Cheng-Chung Chen; Bou-Chi Chang; Ching-Yih Chen; Yuh-Ren Shen

A novel method to realize the good performance of transflective LCD is indicated. In one pixel, two LTPS (Low-temperature poly-Si) TFT devices control the optical intensity of the transmissive and reflective regions respectively. We call this way as double gamma method (DGM). Uni-gap transflective LCD attached the DGM will have both merits of simplifying processes and good legibility. Meanwhile, we show the experimental results of optical characteristics with uni-gap homeotropic panel design. It obviously shows that high contrast ratio and wide viewing angle have been achieved.


SID Symposium Digest of Technical Papers | 2007

P-34: Influences of Anti-reflection and Anti-glare Surface Treatments on Legibility and Visual Fatigue of Reflective-type Displays

Shie-Chang Jeng; Yan-Rung Lin; Chi-Chang Liao; Mei-Ju Lee; Kang-Hung Liu; Chao-Hua Wen; Po-Hung Lin; Yu-Ting Lin; Sheue-Ling Hwang

Influences of anti-reflection and anti-glare surface treatments, radius of curvature and ambient illuminance on legibility and visual fatigue of reflective-type displays were studied. The results showed that legibility and visual fatigue mainly depended on the surface treatment, and better surface treatment can improve legibility and reduce visual fatigue especially in the intense ambient illumination. Surface treatments of 0.8% anti-reflection and 44% anti-glare show the same visual performance.


SID Symposium Digest of Technical Papers | 2004

P-93: A High Contrast Micro-Cell Liquid Crystal Display Film

Kang-Hung Liu; Chi-Chang Liao; Yu-Chu Hung; Ching-Hsiang Chan

We have developed a high contrast micro-cell liquid crystal display by microstructure replication technology. This novel flexible LCD technology comprises micro-cell replication process, alignment treatments, and cell assembly process. Compared with photopolymerisation-induced phase separation, the micro-cell LCD has higher contrast ratio, and reliable manufacturing process. This technology can be a good solution for high performance flexible LCD.


SID Symposium Digest of Technical Papers | 2006

P‐179: A Novel Pixel Structure for the Emiflective Hybrid Display System

Sheng-Hung Lin; Bo-Ru Yang; Han-Ping D. Shieh; Chuan-Wei Hsu; Jung-An Cheng; Kang-Hung Liu; Yung-Hui Yeh; Yu-Wu Wang

A novel hybrid display pixel structure is proposed. This pixel structure consists of organic light-emitting diodes (OLEDs) and reflective liquid crystal displays to form an emi-flective display. With a single pixel circuit and proper driving method, the pixel circuit can drive LC cells and OLEDs in one display system. Moreover, a compatible fabrication process of the hybrid device has been examined. By utilizing the reflective LCD, the wash-out phenomenon of OLED under bright ambient light can be compensated.


lasers and electro optics society meeting | 2005

A novel hybrid liquid crystal display

Kang-Hung Liu; Chung-Hao Chen; Yi-An Sha; Cheng-Hsi Hsieh; Chih-Chun Hsiao; Pei-Ju Su; Chun-Yuan Lin; Ku-Hsien Chang; Ru-De Chen; Chien-Chin Huang; Shur-Yir Fuh; Hsing-Lung Wang; I-Chun Chen; Shie-Chang Jeng; Yan-Rung Lin; Chi-Chang Liao; Jyh-Wen Shiu

A novel hybrid LCD technology has been developed. By replacing a glass color filter with a plastic color filter, a lighter and thinner hybrid LCD can be obtained. A 4 QVGA prototype has been demonstrated. A hybrid LCD can reduce 35% thickness and 36% weight compared with a conventional LCD with 2 glass substrates. This technology can be a good solution for portable display.


lasers and electro-optics society meeting | 2004

A novel flexible liquid crystal display with micro-cell structure

Kang-Hung Liu; Chi-Chang Liao; Yan-Rung Lin; Yu-Chu Hung; Lung-Pin Hsin

A microstructure replication technique to make a high contrast micro-cell LCD has been developed. The robust microstructure can sustain the cell gap very well. Compared with the traditional photopolymerisation-induced phase separation, the micro-cell LCD has higher contrast ratio and more reliable manufacturing process. This technique could be applied in the high performance and low cost flexible LCDs.


Archive | 2004

Transflective display device with different pretilt angles and fabrication method for thereof

Chih-Chang Liao; Yichun Wong; Kang-Hung Liu; Yang-Yi Fan


Archive | 2006

Manufacturing method for a transflective liquid crystal display device

Shie-Chang Jeng; Kang-Hung Liu; Chi-Chang Liao; Cheng-Hsi Hsieh

Collaboration


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Chi-Chang Liao

Industrial Technology Research Institute

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Shie-Chang Jeng

Industrial Technology Research Institute

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Lung-Pin Hsin

Industrial Technology Research Institute

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Yan-Rung Lin

Industrial Technology Research Institute

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Chia-Rong Sheu

Industrial Technology Research Institute

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Hsing-Lung Wang

Industrial Technology Research Institute

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Ching-Hsiang Chan

Industrial Technology Research Institute

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Yang-Yi Fan

Industrial Technology Research Institute

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Yi-An Sha

Industrial Technology Research Institute

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Yi-Chun Wong

Industrial Technology Research Institute

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