Patents by Inventor Han-Ping D. Shieh
Han-Ping D. Shieh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9934732Abstract: A display method and a display device are disclosed herein. The display method includes the following steps: analyzing an input image to obtain a plurality of first backlight control signals and a plurality of first liquid crystal control signals; generating image edge information associated with the input image; generating, according to the image edge information, at least one second backlight control signal and at least one target liquid crystal control signal that are associated with the image edge information; and displaying, according to the at least one second backlight control signal and the at least one target liquid crystal control signal, at least one multi-color sub-frame.Type: GrantFiled: September 23, 2016Date of Patent: April 3, 2018Assignee: AU OPTRONICS CORPORATIONInventors: Fang-Cheng Lin, Kai-Tung Teng, Chi-Wen Chang, Yi-Pai Huang, Han-Ping D. Shieh
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Publication number: 20170154584Abstract: A display method and a display device are disclosed herein.Type: ApplicationFiled: September 23, 2016Publication date: June 1, 2017Inventors: Fang-Cheng LIN, Kai-Tung TENG, Chi-Wen CHANG, Yi-Pai HUANG, Han-Ping D. SHIEH
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Method for image enhancement, image processing apparatus and computer readable medium using the same
Patent number: 9552625Abstract: A method, image processing apparatus, and computer readable medium for image enhancement are provided. In the method, a low-resolution image is received and upscaled to generate an upscaled image having first pixels. Edge detection is performed on the upscaled image to obtain edge information of the first pixels. Each piece of the edge information includes an edge direction and an edge intensity, and each of the edge directions includes a horizontal and vertical component having a constant summation. A non-edge region of the upscaled image is enhanced to generate a high-resolution detail image; based on unsharp masking sharpening methods, an edge region of the low-passed upscaled image is enhanced according to the horizontal and vertical components of the edge directions to generate a high-resolution edge image. Image fusion is performed on the high-resolution edge image and the high-resolution detail image according to the edge intensities to generate a super-resolution image.Type: GrantFiled: October 24, 2014Date of Patent: January 24, 2017Assignee: National Chiao Tung UniversityInventors: Kuo-Shiuan Peng, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping D. Shieh -
METHOD FOR IMAGE ENHANCEMENT, IMAGE PROCESSING APPARATUS AND COMPUTER READABLE MEDIUM USING THE SAME
Publication number: 20150348234Abstract: A method, image processing apparatus, and computer readable medium for image enhancement are provided. In the method, a low-resolution image is received and upscaled to generate an upscaled image having first pixels. Edge detection is performed on the upscaled image to obtain edge information of the first pixels. Each piece of the edge information includes an edge direction and an edge intensity, and each of the edge directions includes a horizontal and vertical component having a constant summation. A non-edge region of the upscaled image is enhanced to generate a high-resolution detail image; based on unsharp masking sharpening methods, an edge region of the low-passed upscaled image is enhanced according to the horizontal and vertical components of the edge directions to generate a high-resolution edge image. Image fusion is performed on the high-resolution edge image and the high-resolution detail image according to the edge intensities to generate a super-resolution image.Type: ApplicationFiled: October 24, 2014Publication date: December 3, 2015Inventors: Kuo-Shiuan Peng, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping D. Shieh -
Patent number: 8969868Abstract: A thin film transistor comprises a transparent substrate, a gate is disposed on the transparent substrate, a gate insulator is disposed on the gate and the transparent substrate, an active layer is disposed on the gate insulator, an electrode layer is electrically connected the active layer and the portion of the active layer is exposed, and an ultraviolet light absorbing layer is disposed on the electrode layer. By using the advantage of the ultraviolet light absorbing layer with the range of visible light transmittance and with the component protection, preventing the optical characteristics of the thin film transistor from the outside moisture is achieved, and by adjusting the parameters in the thin film deposition process to change its conductivity.Type: GrantFiled: August 26, 2013Date of Patent: March 3, 2015Assignee: National Chiao Tung UniversityInventors: Han-Ping D. Shieh, Po-Tsun Liu, Yun-Chu Tsai, Min-Yen Tsai, Li-Feng Teng
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Publication number: 20140361287Abstract: A thin film transistor comprises a transparent substrate, a gate is disposed on the transparent substrate, a gate insulator is disposed on the gate and the transparent substrate, an active layer is disposed on the gate insulator, an electrode layer is electrically connected the active layer and the portion of the active layer is exposed, and an ultraviolet light absorbing layer is disposed on the electrode layer. By using the advantage of the ultraviolet light absorbing layer with the range of visible light transmittance and with the component protection, preventing the optical characteristics of the thin film transistor from the outside moisture is achieved, and by adjusting the parameters in the thin film deposition process to change its conductivity.Type: ApplicationFiled: August 26, 2013Publication date: December 11, 2014Applicant: National Chiao Tung UniversityInventors: Han-Ping D. SHIEH, Po-Tsun LIU, Yun-Chu TSAI, Min-Yen TSAI, Li-Feng TENG
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Patent number: 8698719Abstract: A displaying method for field sequential color displays using two color fields to produce a full color image is disclosed. The displaying method includes: providing a target full color image, displaying a first color field and displaying a second color field. The target full color image is formed by a first color image optical stimulus, a second color image optical stimulus and a third color image optical stimulus. The first color field displays the first color image optical stimulus and a first part of the third color image optical stimulus, while the second color field displays the second color image optical stimulus and a second part of the third color image optical stimulus, which compensates the shortage of the third color image optical stimulus in the first color field. The target full color image is generated by displaying the first and second color fields in sequence, so as to decrease the displaying frequency of field sequential color displays.Type: GrantFiled: September 18, 2013Date of Patent: April 15, 2014Assignee: AU Optronics CorporationInventors: Yu-Kuo Cheng, Yi-Pai Huang, Yi-Ru Cheng, Han-Ping D. Shieh
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Publication number: 20140015871Abstract: A displaying method for field sequential color displays using two color fields to produce a full color image is disclosed. The displaying method includes: providing a target full color image, displaying a first color field and displaying a second color field. The target full color image is formed by a first color image optical stimulus, a second color image optical stimulus and a third color image optical stimulus. The first color field displays the first color image optical stimulus and a first part of the third color image optical stimulus, while the second color field displays the second color image optical stimulus and a second part of the third color image optical stimulus, which compensates the shortage of the third color image optical stimulus in the first color field. The target full color image is generated by displaying the first and second color fields in sequence, so as to decrease the displaying frequency of field sequential color displays.Type: ApplicationFiled: September 18, 2013Publication date: January 16, 2014Applicant: AU OPTRONICS CORP.Inventors: YU-KUO CHENG, YI-PAI HUANG, YI-RU CHENG, HAN-PING D. SHIEH
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Patent number: 8609460Abstract: A semiconductor structure and a fabricating method thereof are provided. The fabricating method includes forming a gate, a source, and a drain on a substrate and forming an oxide semiconductor material between the gate and the source and drain. The oxide semiconductor material is formed by performing a deposition process, and nitrogen gas is introduced before the deposition process is completely performed, so as to form oxide semiconductor nitride on the oxide semiconductor material.Type: GrantFiled: April 18, 2011Date of Patent: December 17, 2013Assignee: Au Optronics CorporationInventors: Po-Tsun Liu, Yi-Teh Chou, Li-Feng Teng, Fu-Hai Li, Han-Ping D. Shieh, Wei-Ting Lin, Ming-Chin Hung, Chun-Ching Hsiao, Jiun-Jye Chang, Po-Lun Chen
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Patent number: 8593394Abstract: A cumulative function of image is obtained according to its gray levels of pixels. This function is then mapped to obtain a backlight modulation function according to a reference line. The backlight brightness provided for different regions of the liquid crystal display are decided by the backlight modulation function while displaying the images.Type: GrantFiled: November 2, 2012Date of Patent: November 26, 2013Assignee: AU Optronics CorporationInventors: Fanf-Cheng Lin, Cheng-Yu Liao, Lin-Yao Liao, Yi-Pai Huang, Te-Mei Wang, Han-Ping D. Shieh
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Patent number: 8564517Abstract: A displaying method for field sequential color displays using two color fields to produce a full color image is disclosed. The displaying method includes: providing a target full color image, displaying a first color field and displaying a second color field. The target full color image is formed by a first color image optical stimulus, a second color image optical stimulus and a third color image optical stimulus. The first color field displays the first color image optical stimulus and a first part of the third color image optical stimulus, while the second color field displays the second color image optical stimulus and a second part of the third color image optical stimulus, which compensates the shortage of the third color image optical stimulus in the first color field. The target full color image is generated by displaying the first and second color fields in sequence, so as to decrease the displaying frequency of field sequential color displays.Type: GrantFiled: January 26, 2009Date of Patent: October 22, 2013Assignee: Au Optronics CorporationInventors: Yu-Kuo Cheng, Yi-Pai Huang, Yi-Ru Cheng, Han-Ping D. Shieh
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Patent number: 8345194Abstract: The present invention discloses a liquid crystal lens and a manufacturing method thereof. At least one first electrode is disposed on a first substrate, a first alignment layer is disposed on the first electrode, a liquid crystal layer is disposed on the first alignment layer, a second alignment layer is disposed on the liquid crystal layer, an electric field uniformization layer is disposed on the second alignment layer, at least one second electrode and at least one third electrode are disposed on the electric field uniformization layer, and the second electrode is arranged around the third electrode. A second substrate is disposed on the second electrode and the third electrode. The third electrode which matches up with the second electrode produces an electric field gradient and the liquid crystal layer is affected uniformly by the electric field uniformization layer so as to achieve rapid focus purpose by the liquid crystal.Type: GrantFiled: September 23, 2010Date of Patent: January 1, 2013Assignee: National Chiao Tung UniversityInventors: Lin-Yao Liao, Yi-Pai Huang, Yu-Min Lin, Han-Ping D. Shieh
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Patent number: 8279161Abstract: A backlight driving method, which provides three kinds of light sources comprising a red light source, a blue light source, and a green light source. The driving method includes dividing a frame into four sub-frames, and lighting the green light sources twice during two sub-frames respectively, dividing the first frame and the second frame into four sub-frames respectively, lighting the four light sources in the four sub-frames in a first lighting order during the first frame, and lighting the four light sources in the four sub-frames using a second lighting order during the second frame, wherein the first order is different from the second order.Type: GrantFiled: June 26, 2008Date of Patent: October 2, 2012Assignee: AU Optronics CorporationInventors: Ya-Ting Hsu, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping D. Shieh, Chien-Hung Chen, Chi-Mao Hung
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Patent number: 8203521Abstract: A method of generating frame control signals for reducing reaction time comprises following steps: analyzing an input frame signal; generating a first reference liquid crystal control signal of a frame; setting a second liquid crystal control signal range and thereby generating a second reference liquid crystal control signal; generating a second backlight control signal according to the first reference liquid crystal control signal and the second reference liquid crystal control signal; and generating a second liquid crystal control signal of each pixel according to the second backlight control signal. By confining the second backlight control signal to the second liquid crystal control signal range, the reaction time of the liquid crystals is reduced and the frame quality of LCD devices is enhanced.Type: GrantFiled: January 9, 2008Date of Patent: June 19, 2012Assignee: National Chiao Tung UniversityInventors: Fang-Cheng Lin, Yi-Pai Huang, Ching-Ming Wei, Han-Ping D. Shieh
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Patent number: 8184087Abstract: The present invention provides a display method for an LCD device with reduced color break-up, comprising the following steps: generating a control signal for each sub-frame, and displaying the sub-frames successively. The present invention generates, according to brightness of a screen to be displayed, second backlight control signals and second LC control signals for each display region in the each sub-frame and then, according to the second backlight control signals and the second LC control signals, displays a chromatic sub-frame and a plurality of monochromatic sub-frames successively so that the screen to be displayed can be viewed through human vision. The present invention can not only facilitate reducing color break-up (CBU) of the LCD device, but also can contributes to the LCD device advantaged by high contrast, high color saturation, low power consumption and low manufacturing costs.Type: GrantFiled: January 4, 2008Date of Patent: May 22, 2012Assignee: National Chiao Tung UniversityInventors: Fang-Cheng Lin, Yi-Pai Huang, Ching-Ming Wei, Han-Ping D. Shieh
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Publication number: 20120061661Abstract: A semiconductor structure and a fabricating method thereof are provided. The fabricating method includes forming a gate, a source, and a drain on a substrate and forming an oxide semiconductor material between the gate and the source and drain. The oxide semiconductor material is formed by performing a deposition process, and nitrogen gas is introduced before the deposition process is completely performed, so as to form oxide semiconductor nitride on the oxide semiconductor material.Type: ApplicationFiled: April 18, 2011Publication date: March 15, 2012Applicant: AU OPTRONICS CORPORATIONInventors: Po-Tsun Liu, Yi-Teh Chou, Li-Feng Teng, Fu-Hai Li, Han-Ping D. Shieh, Wei-Ting Lin, Ming-Chin Hung, Chun-Ching Hsiao, Jiun-Jye Chang, Po-Lun Chen
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Publication number: 20120033174Abstract: The present invention discloses a liquid crystal lens and a manufacturing method thereof. At least one first electrode is disposed on a first substrate, a first alignment layer is disposed on the first electrode, a liquid crystal layer is disposed on the first alignment layer, a second alignment layer is disposed on the liquid crystal layer, an electric field uniformization layer is disposed on the second alignment layer, at least one second electrode and at least one third electrode are disposed on the electric field uniformization layer, and the second electrode is arranged around the third electrode. A second substrate is disposed on the second electrode and the third electrode. The third electrode which matches up with the second electrode produces an electric field gradient and the liquid crystal layer is affected uniformly by the electric field uniformization layer so as to achieve rapid focus purpose by the liquid crystal.Type: ApplicationFiled: September 23, 2010Publication date: February 9, 2012Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: LIN-YAO LIAO, YI-PAI HUANG, YU-MIN LIN, HAN-PING D. SHIEH
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Publication number: 20110037938Abstract: A method of making a liquid crystal device is provided, the method comprising (i) providing a cell containing a mixture of a liquid crystal and pre-polymer (ii) applying a stimulus to arrange the liquid crystal in a first predetermined state and (iii) subsequent to, or contemporaneously with, step (ii), causing the pre-polymer to form polymer when the liquid crystal is in a second predetermined state, wherein steps (ii) and (iii) are performed a plurality of times.Type: ApplicationFiled: November 27, 2008Publication date: February 17, 2011Applicant: MERCK PATENT GESELLSCHAFT BESCHRANKTER HAFTUNGInventors: Peter Raynes, Steve Elston, Bo-Ru Yang, Han-Ping D. Shieh
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Publication number: 20100245396Abstract: A display apparatus and driving method thereof are provided. The driving method is adapted for driving a backlight module and a display panel thereon, and includes at least the following steps. Firstly, a backlight data and a display data are outputted according to a color distribution of an expected image. Afterwards, a light-emitting pattern whose color distribution corresponds to the color distribution of the expected image of the backlight module is determined according to the backlight data. Besides, a display pattern of the display panel is determined according to the display data. The expected image is displayed through the light-emitting pattern and the display pattern.Type: ApplicationFiled: May 18, 2009Publication date: September 30, 2010Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Yi-Pai Huang, Han-Ping D. Shieh, Ching-Ming Wei, Chi-Chung Tsai
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Publication number: 20100090937Abstract: A displaying method for field sequential color displays using two color fields to produce a full color image is disclosed. The displaying method includes: providing a target full color image, displaying a first color field and displaying a second color field. The target full color image is formed by a first color image optical stimulus, a second color image optical stimulus and a third color image optical stimulus. The first color field displays the first color image optical stimulus and a first part of the third color image optical stimulus, while the second color field displays the second color image optical stimulus and a second part of the third color image optical stimulus, which compensates the shortage of the third color image optical stimulus in the first color field. The target full color image is generated by displaying the first and second color fields in sequence, so as to decrease the displaying frequency of field sequential color displays.Type: ApplicationFiled: January 26, 2009Publication date: April 15, 2010Applicant: National Chiao Tung UniversityInventors: Yu-Kuo Cheng, Yi-PAI Huang, Yi-RU Cheng, Han-Ping D. Shieh