Patents by Inventor Ming-Chang Yu
Ming-Chang Yu 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: 8482703Abstract: A transflective liquid crystal display is provided which includes a color-filter substrate, an active matrix substrate, and a liquid crystal layer interposed between them. The active matrix substrate includes a first transparent substrate and includes a plurality of switching devices, a plurality of transparent pixel electrodes and a plurality of reflective pixel electrodes formed on the first transparent substrate. The color-filter substrate includes a second transparent substrate, a first and second transparent conducting layers and a dielectric layer. The first transparent conducting layer is interposed between the second transparent substrate and the second transparent conducting layer, and the dielectric layer is interposed between the first and second transparent conducting layers. The second transparent conducting layer in each pixel area has at least one opening. The openings positionally correspond to the reflective pixel electrodes.Type: GrantFiled: July 13, 2010Date of Patent: July 9, 2013Assignees: Dongguan Masstop Liquid Crystal Display Co., Ltd., Wintek CorporationInventors: Wen-Chun Wang, Ming-Chang Yu, Yung-Cheng Chang
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Patent number: 8421978Abstract: A liquid crystal display panel including an active device matrix substrate, an opposite substrate, and a liquid crystal layer is provided. The active device matrix substrate includes a first substrate, an active device array, a padding device, first connecting electrodes, and shielding electrodes. The padding device is disposed on active devices and data lines of the active device array. The first connecting electrodes are located above the active devices and electrically connected to the active devices. The shielding electrodes are located above the data lines and electrically connected to a common voltage. The opposite substrate includes a second substrate, first electrodes, an insulating layer, second electrodes having slits and opposite to the first electrodes, spacers corresponding to the active devices, and second connecting electrodes covering the spacers to directly contact with the first connecting electrodes and electrically connected to the first electrodes or the second electrodes.Type: GrantFiled: November 2, 2010Date of Patent: April 16, 2013Assignee: Wintek CorporationInventors: Wen-Chun Wang, Ming-Chang Yu, Yung-Cheng Chang, Ting-Yu Chang, Wan-Jen Tsai
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Patent number: 8330923Abstract: A multi-domain liquid crystal display (LCD) includes multiple effective pixel electrodes, dummy pixel electrodes and auxiliary electrodes. The effective pixel electrodes are regularly arranged in an array of row and column, and the array of effective pixel electrodes constitute an active display area of the multi-domain LCD. The dummy pixel electrodes are provided outside the active display area and arranged at least on the side of an outermost row or outermost column of the array of effective pixel electrodes. Each auxiliary electrode is positioned next to one side of an effective pixel electrode or a dummy pixel electrode to produce fringe fields and is connected to another effective pixel electrode controlled by a preceding or a succeeding signal line to allow all effective pixel electrodes to have substantially the same coupling capacitance.Type: GrantFiled: September 19, 2008Date of Patent: December 11, 2012Assignee: Wintek CorporationInventors: Wen-Chun Wang, I-Fang Wang, Ming-Chang Yu, Ying-Cheng Tsai
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Patent number: 8259270Abstract: A color washout reducing LCD panel including a first substrate, a second substrate and a liquid crystal layer sealed between the first and second substrates is provided. The first substrate includes several thin film transistors (TFTs) arranged in an array and several pixel electrodes each electrically connected to one TFT. Each pixel electrode has a first and a second electrode blocks. The first electrode block has several first slits, wherein a first interval of the first electrode block is perpendicular to the first slits, and a first width of the first electrode block is between any two neighboring first slits. The second electrode block has several second slits, wherein a second interval of the second electrode block is perpendicular to the second slit and not equal to the first interval, and a second width of the second electrode block is between any two neighboring second slits.Type: GrantFiled: September 9, 2009Date of Patent: September 4, 2012Assignee: Wintek CorporationInventors: Wen-Chun Wang, I-Fang Wang, Ming-Chang Yu, Yung-Cheng Chang
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Publication number: 20120169576Abstract: A display panel including a first substrate, a second substrate, a liquid crystal layer, a pixel structure array, a common electrode layer, and spacers is provided. The liquid crystal layer is disposed between the first substrate and the second substrate opposite thereto. The pixel structure array disposed on the first substrate is located between the liquid crystal layer and the first substrate and includes scan lines, data lines, active devices, and pixel electrodes. Each active device is connected to one scan line and one data line intersected therewith. Each pixel electrode crosses over one data line and one active device and is electrically connected to the corresponding one active device. The common electrode layer is disposed on the second substrate. The spacers disposed between the first substrate and the second substrate are located above the scan lines. The spacers are respectively located at centers of the pixel electrodes.Type: ApplicationFiled: December 23, 2011Publication date: July 5, 2012Applicants: WINTEK CORPORATION, WINTEK (CHINA) TECHNOLOGY LTD.Inventors: Wen-Chun Wang, Ming-Chang Yu, Wan-Jen Tsai, Min-Shian Tsai, Hsi-Rong Han
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Patent number: 8212973Abstract: A liquid crystal display is provided which includes a color-filter substrate, an active matrix substrate, and a liquid crystal layer interposed between them. The active matrix substrate includes a first transparent substrate and includes a plurality of switching elements and a plurality of pixel electrodes formed on the first transparent substrate. Each switching element is electrically connected one of the pixel electrodes. The color-filter substrate defines a plurality of pixel areas. Each pixel area is suitable for corresponding to one of the pixel electrodes, includes a second transparent substrate, a first and second transparent conducting layers and a dielectric layer. The first transparent conducting layer is interposed between the second transparent substrate and the second transparent conducting layer, and the dielectric layer is interposed between the first and second transparent conducting layers. The second transparent conducting layer in each pixel area defines a hole.Type: GrantFiled: September 11, 2009Date of Patent: July 3, 2012Assignee: Wintek CorporationInventors: Wen-Chun Wang, Yung-Cheng Chang, Ming-Chang Yu
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Patent number: 8018539Abstract: A pixel circuit structure applied in an LCD panel, which has a common voltage and includes at least one data line, is provided. The pixel circuit structure includes a first and a second circuit. The first circuit includes a first switch and a first capacitor. The second circuit includes a second switch, a third switch and a second capacitor. One end of the first capacitor receives the common voltage. Two ends of the first switch are respectively coupled to the data line and the other end of the first capacitor. The second and the third switch are coupled serially between the data line and a voltage source. One end of the second capacitor receives the common voltage, and the other end is coupled between the second and the third switch. The potential difference between the two ends of the first capacitor is different from that of the second capacitor.Type: GrantFiled: October 3, 2008Date of Patent: September 13, 2011Assignee: Wintek CorporrationInventors: Yi-Cheng Tsai, I-Fang Wang, Wen-Chun Wang, Hen-Ta Kang, Kai-Lun Kuo, Ming-Chang Yu, Wan-Jen Tsai
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Patent number: 7973897Abstract: A multi-domain liquid crystal display includes multiple first and second picture elements and multiple first and second auxiliary electrodes. The first and second picture elements have opposite polarities under the same frame of an inversion drive scheme, and each picture element has a reflective region and a transmissive region. The first auxiliary electrodes are connected to the first picture elements, and each of the first auxiliary electrodes is positioned next to at least one side of one second picture element. The second auxiliary electrodes are connected to the second picture elements, and each of the second auxiliary electrodes is positioned next to at least one side of one first picture element.Type: GrantFiled: December 18, 2006Date of Patent: July 5, 2011Assignee: Wintek CorporationInventors: Wen-Chun Wang, Chin-Chang Liu, I Fang Wang, Ming-Chang Yu
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Publication number: 20110157528Abstract: A display panel includes a first substrate, a conductive light-shielding pattern, color filter patterns, a second substrate, scan lines, data lines, pixel structures, third pads and fourth pads. The conductive light-shielding pattern disposed on the first substrate defines conductive matrix pattern, first pads, and second pads. Each first pad is electrically connected to one corresponding second pad through the conductive matrix pattern and insulated with other second pads. The color filter patterns are disposed on the first substrate and a portion of each color filter pattern overlaps the conductive light-shielding pattern. The third pads are one-to-one electrically to the first pads while the fourth pads are one-to-one electrically connected to the second pads. Each fourth pad is electrically connected to one of the scan lines and one of the data lines.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Applicant: WINTEK CORPORATIONInventors: Wen-Chun Wang, Hsi-Rong Han, Yung-Cheng Chang, Ming-Chang Yu, Wan-Jen Tsai, Fa-Chen Wu
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Publication number: 20110102698Abstract: A liquid crystal display panel including an active device matrix substrate, an opposite substrate, and a liquid crystal layer is provided. The active device matrix substrate includes a first substrate, an active, device array, a padding device, first connecting electrodes, and shielding electrodes. The padding device is disposed on active devices and data lines of the active device array. The first connecting electrodes are located above the active devices and electrically connected to the active devices. The shielding electrodes are located above the data lines and electrically connected to a common voltage. The opposite substrate includes a second substrate, first electrodes, an insulating layer, second electrodes having slits and opposite to the first electrodes, spacers corresponding to the active devices, and second connecting electrodes covering the spacers to directly contact with the first connecting electrodes and electrically connected to the first electrodes or the second electrodes.Type: ApplicationFiled: November 2, 2010Publication date: May 5, 2011Applicant: WINTEK CORPORATIONInventors: Wen-Chun Wang, Ming-Chang Yu, Yung-Cheng Chang, Ting-Yu Chang, Wan-Jen Tsai
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Publication number: 20110013126Abstract: A transflective liquid crystal display is provided which includes a color-filter substrate, an active matrix substrate, and a liquid crystal layer interposed between them. The active matrix substrate includes a first transparent substrate and includes a plurality of switching devices, a plurality of transparent pixel electrodes and a plurality of reflective pixel electrodes formed on the first transparent substrate. The color-filter substrate includes a second transparent substrate, a first and second transparent conducting layers and a dielectric layer. The first transparent conducting layer is interposed between the second transparent substrate and the second transparent conducting layer, and the dielectric layer is interposed between the first and second transparent conducting layers. The second transparent conducting layer in each pixel area has at least one opening. The openings positionally correspond to the reflective pixel electrodes.Type: ApplicationFiled: July 13, 2010Publication date: January 20, 2011Inventors: Wen-Chun WANG, Ming-Chang Yu, Yung-Cheng Chang
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Publication number: 20100302206Abstract: A touch panel includes a transparent substrate and a touch sensor. The transparent substrate has a cavity formed on one surface of the transparent substrate, and the touch sensor is provided inside the cavity of the transparent substrate.Type: ApplicationFiled: June 1, 2010Publication date: December 2, 2010Inventors: Ming-Chang YU, Hen-Ta Kang, Hsi-Rong Han
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Publication number: 20100265445Abstract: A flat display panel includes an array substrate and a color filter substrate facing each other. Multiple first electrodes and second electrodes are formed on the array substrate. The first electrodes receive scan signals transmitted from a driving circuit, and each of the second electrodes is connected to a corresponding scan line. Multiple signal lines are formed on the color filter substrate and in an active display area. Besides, multiple third electrodes and forth electrodes are formed on the color filter substrate. Each of the third electrodes is electrically connected to a corresponding forth electrode by a corresponding signal line, each of the third electrodes is electrically connected to a corresponding first electrode, and each of the forth electrodes is electrically connected to a corresponding second electrode.Type: ApplicationFiled: April 20, 2010Publication date: October 21, 2010Inventors: Wen-Chun Wang, Ming-Chang Yu, Yung-Cheng Chang, Wan-Jen Tsai
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Publication number: 20100066954Abstract: A liquid crystal display is provided which includes a color-filter substrate, an active matrix substrate, and a liquid crystal layer interposed between them. The active matrix substrate includes a first transparent substrate and includes a plurality of switching elements and a plurality of pixel electrodes formed on the first transparent substrate. Each switching element is electrically connected one of the pixel electrodes. The color-filter substrate defines a plurality of pixel areas. Each pixel area is suitable for corresponding to one of the pixel electrodes, includes a second transparent substrate, a first and second transparent conducting layers and a dielectric layer. The first transparent conducting layer is interposed between the second transparent substrate and the second transparent conducting layer, and the dielectric layer is interposed between the first and second transparent conducting layers. The second transparent conducting layer in each pixel area defines a hole.Type: ApplicationFiled: September 11, 2009Publication date: March 18, 2010Inventors: Wen-Chun WANG, Yung-Cheng CHANG, Ming-Chang YU
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Publication number: 20100060837Abstract: A color washout reducing LCD panel including a first substrate, a second substrate and a liquid crystal layer sealed between the first and second substrates is provided. The first substrate includes several thin film transistors (TFTs) arranged in an array and several pixel electrodes each electrically connected to one TFT. Each pixel electrode has a first and a second electrode blocks. The first electrode block has several first slits, wherein a first interval of the first electrode block is perpendicular to the first slits, and a first width of the first electrode block is between any two neighboring first slits. The second electrode block has several second slits, wherein a second interval of the second electrode block is perpendicular to the second slit and not equal to the first interval, and a second width of the second electrode block is between any two neighboring second slits.Type: ApplicationFiled: September 9, 2009Publication date: March 11, 2010Applicant: WINTEK CORPORATIONInventors: Wen-Chun Wang, I-Fang Wang, Ming-Chang Yu, Yung-Cheng Chang
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Patent number: 7675595Abstract: A liquid crystal display panel (LCD) panel is provided. The LCD panel includes a plurality of pixels. Each pixel includes a pixel electrode layer and a plurality of liquid crystal domain arranging layers. The pixel electrode layer has a plurality of slits. The liquid crystal domain arranging layers are disposed near the pixel electrode layer. Each pixel is divided into a plurality of essentially closed liquid crystal domain fields by the arranging layers and the slits. Each liquid crystal domain field is formed by encircling at least one arranging layer and at least one slit.Type: GrantFiled: October 30, 2007Date of Patent: March 9, 2010Assignee: Wintek CorporationInventors: Yi-Chun Wu, Chien-Chang Lee, Wen-Chun Wang, Ming-Chang Yu
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Publication number: 20090091670Abstract: A pixel circuit structure applied in an LCD panel, which has a common voltage and includes at least one data line, is provided. The pixel circuit structure includes a first and a second circuit. The first circuit includes a first switch and a first capacitor. The second circuit includes a second switch, a third switch and a second capacitor. One end of the first capacitor receives the common voltage. Two ends of the first switch are respectively coupled to the data line and the other end of the first capacitor. The second and the third switch are coupled serially between the data line and a voltage source. One end of the second capacitor receives the common voltage, and the other end is coupled between the second and the third switch. The potential difference between the two ends of the first capacitor is different from that of the second capacitor.Type: ApplicationFiled: October 3, 2008Publication date: April 9, 2009Applicant: WINTEK CORPORATIONInventors: Yi-Cheng TSAI, I-Fang Wang, Wen-Chun Wang, Hen-Ta Kang, Kai-Lun Kuo, Ming-Chang Yu, Wan-Jen Tsai
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Publication number: 20090073368Abstract: A multi-domain liquid crystal display (LCD) includes multiple effective pixel electrodes, dummy pixel electrodes and auxiliary electrodes. The effective pixel electrodes are regularly arranged in an array of row and column, and the array of effective pixel electrodes constitute an active display area of the multi-domain LCD. The dummy pixel electrodes are provided outside the active display area and arranged at least on the side of an outermost row or outermost column of the array of effective pixel electrodes. Each auxiliary electrode is positioned next to one side of an effective pixel electrode or a dummy pixel electrode to produce fringe fields and is connected to another effective pixel electrode controlled by a preceding or a succeeding signal line to allow all effective pixel electrodes to have substantially the same coupling capacitance.Type: ApplicationFiled: September 19, 2008Publication date: March 19, 2009Inventors: Wen-Chun WANG, I-Fang WANG, Ming-Chang YU, Ying-Cheng TSAI
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Publication number: 20080111963Abstract: A liquid crystal display panel (LCD) panel is provided. The LCD panel includes a plurality of pixels. Each pixel includes a pixel electrode layer and a plurality of liquid crystal domain arranging layers. The pixel electrode layer has a plurality of slits. The liquid crystal domain arranging layers are disposed near the pixel electrode layer. Each pixel is divided into a plurality of essentially closed liquid crystal domain fields by the arranging layers and the slits. Each liquid crystal domain field is formed by encircling at least one arranging layer and at least one slit.Type: ApplicationFiled: October 30, 2007Publication date: May 15, 2008Applicant: Wintek CorporationInventors: Yi-Chun Wu, Chien-Chang Lee, Wen-Chun Wang, Ming-Chang Yu
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Patent number: 7367585Abstract: An inflating device has a casing, an air bag tray, an gas generating device and a check valve. The gas generating device is mounted on the casing and has a tube, an gas generator and a guiding plate. The tube extends into the casing and has an air channel and vents. The gas generator is attached to one end of the tube and has a housing, a chemical holder and an igniting device. The chemical holder is mounted inside the housing to contain chemicals. The igniting device is attached to housing and extends into the chemical holder to ignite the chemicals. The guide plate is mounted inside the casing and corresponds to the vents. The check valve is mounted in the casing and corresponds with and closes an inlet of the casing.Type: GrantFiled: September 21, 2005Date of Patent: May 6, 2008Assignee: GSK Intex Co., Ltd.Inventors: Ming-Chang Yu, Shih-Ju Kuo, Chien-Liang Hsieh