Patents by Inventor Wen-Chun Wang
Wen-Chun Wang 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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Publication number: 20110291987Abstract: A touch-sensitive device includes a transparent substrate, a touch-sensing structure, a decorative layer, a metal trace layer, a first insulation layer and a second insulation layer. The touch-sensing structure is disposed on the transparent substrate and located in a touch-sensitive region of the touch-sensitive device. The decorative layer is disposed on a non-touch-sensitive region of the touch-sensitive device, and the metal trace layer is disposed on the non-touch-sensitive region. The first insulation layer is disposed on the transparent substrate and covers the touch-sensing structure and the metal trace layer. The second insulation layer is disposed on the transparent substrate and distributed only in the non-touch-sensitive region to provide a distribution area substantially overlapping the metal trace layer.Type: ApplicationFiled: May 27, 2011Publication date: December 1, 2011Inventors: Wen-Chun WANG, Ming-Kung Wu, Chia-Chi Chen, Chih-Jung Teng, Chin-Chang Liu, Fa-Chen Wu
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Patent number: 8055695Abstract: A shift register has shift register units. The nth shift register unit includes first to third level control units and first and second driving units. The first and second level control units respectively provide a first clock signal and a first voltage to an output terminal. The first driving unit and the first level control unit are coupled to a first node, and a voltage on the first node is a first control signal. The first driving unit turns on and off the first level control unit in response to an input signal and second and third control signals. The second driving unit turns on and off the second level control unit in response to the first control signal. The third level control unit provides the first voltage to the output terminal in response to a front edge of the first control signal of the (n+2)th shift register unit.Type: GrantFiled: July 11, 2007Date of Patent: November 8, 2011Assignee: Wintek CorporationInventors: Yi-Cheng Tsai, Wen-Chun Wang, Hsi-Rong Han, Chien-Ting Chan
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Publication number: 20110266565Abstract: A display panel having a display area and a non-display area outside the display area is provided. The display panel includes a first substrate, a conductive light-shielding pattern, color filter patterns, first spacers, transparent pads, a second substrate, scan lines, data lines, pixel structures, third pads and fourth pads. The conductive light-shielding pattern defines a conductive matrix pattern, a plurality of first pads and second pads. Each first pad is electrically connected with one of the corresponding second pads through the conductive matrix pattern. The color filter patterns include a plurality of first filter patterns and second filter patterns. The second filter patterns are located within the non-display area and disposed on the second pads. The first spacers are disposed on the second filter patterns, and the transparent pads cover the first spacers and contact the second pads.Type: ApplicationFiled: April 26, 2011Publication date: November 3, 2011Applicant: WINTEK CORPORATIONInventors: Wen-Chun Wang, Yung-Cheng Chang, Fa-Chen Wu
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Patent number: 8049827Abstract: A thin film transistor array substrate includes an insulating substrate, a plurality of scan lines, an insulating layer, a plurality of data lines, and a plurality of pixels arranged in an array of rows and columns. The pixels in each row are aligned in a row direction, the pixels in each column are aligned in a column direction, and the pixels are separated from each other by the scan lines and the data lines. Each pixel includes a thin film transistor and a pixel electrode. The pixel electrode has at least one opening that extends from the periphery to the inside of the pixel electrode and at least one extension part that extends in the row direction into an opening of a neighboring pixel electrode in the same row. Each of the scan lines alternately controls one of the pixel electrodes in a first row and one of the pixel electrodes in a second row immediately adjacent to the first row.Type: GrantFiled: December 12, 2008Date of Patent: November 1, 2011Assignee: Wintek CorporationInventors: Wen-Chun Wang, Chin-Chang Liu, I Fang Wang
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Patent number: 8045675Abstract: A bi-directional shift register includes N stages, wherein the mth stage among the N stages includes a node, an output end, first input circuit, second input circuit, and a shift register unit. N is a natural number greater than 1 and m is a natural number smaller than or equal to N. First control signal is measured on the node. The output end outputs an mth output signal. The first input circuit receives an m?1th output signal as a control signal and a power signal to accordingly generate an enabled first driving signal to the node in first period. The second input circuit receives an m+1th output signal as a control signal and a power signal to accordingly generate an enabled second driving signal to the node in second period. Controlled by the first control signal, the shift register unit generates an mth output signal in third period.Type: GrantFiled: July 20, 2010Date of Patent: October 25, 2011Assignees: Dongguan Masstop Liquid Crystal Display Co., Ltd., Wintek CorporationInventors: Chien-Ting Chan, Hsi-Rong Han, Wen-Chun Wang
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Publication number: 20110248952Abstract: A touch display apparatus including a display module, a circuit board, and an insulation elastic element is provided. The display module has a display surface, and the display module includes a metal frame, wherein at least of a portion of the metal frame is opposite to the display surface. The circuit board is disposed at a side of the display module away from the display surface. The circuit board has a plurality of capacitance sensing element disposed corresponding to a plurality of corners of the display module. The insulation elastic element is disposed between the circuit board and the display module. The capacitance sensing elements are separated from the metal frame at a changeable distance and a sensed capacitance formed between the capacitance sensing elements and the metal frame is changed with the changeable distance.Type: ApplicationFiled: October 28, 2010Publication date: October 13, 2011Applicant: WINTEK CORPORATIONInventors: Wen-Chun Wang, Chih-Chang Lai, Lo-Hsien Tsai, Kun-Chang Ho
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Patent number: 8035879Abstract: An electrowetting display device includes a first and a second transparent substrates, multiple partition walls, a polar liquid, a non-polar liquid, and a phosphor layer. The non-polar liquid is opaque and immiscible with the polar liquid. The phosphor layer is formed on at least one of the first and the second transparent substrates. The phosphor layer comprises a first part that transforms the short-wavelength light into red light, a second part that transforms the short-wavelength light into green light, and a third part that transforms the short-wavelength light into blue light or allows the short-wavelength light to pass therethrough without transformation. Each of the first, the second, and the third parts is corresponding to one pixel unit.Type: GrantFiled: August 6, 2009Date of Patent: October 11, 2011Assignee: Wintek CorporationInventors: Wen-Chun Wang, Kuo-Chang Su, Cheng-Yi Chen
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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: 8018423Abstract: A shift register is for generating scan signals. Each stage of the shift register comprises a first level lifting unit and at least a second level lifting unit, a first level lowering unit and at least a second level lowering unit, first and second driving units. The first level lowering and lifting units are for controlling the levels of signals at the first output terminal to output a first scan signal. The second level lowering unit and second level lifting unit are for controlling the levels of signals at the second output terminal to output at least a second scan signal. The first and second driving units are for turning on and off the first and the second level lifting units and the first and the second level lowering unit to control the first and second scan signals.Type: GrantFiled: April 24, 2008Date of Patent: September 13, 2011Assignee: Wintek CorporationInventors: Yi-Cheng Tsai, Chien-Ting Chan, Hsi-Rong Han, Wen-Chun Wang, Kuo-Chang Su
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Publication number: 20110199324Abstract: A touch panel including first electrode bands, second electrode bands, and a transparent dielectric material is provided. The first electrode bands are disposed on a first substrate and extended in a first direction, wherein each of the first electrodes has a plurality of first silts in the form of enclosed configuration. The second electrode bands are disposed on a second substrate, facing to the first electrode bands, and extended in a second direction interlacing the first direction. Each second electrode band is partially exposed by the first silts. The transparent dielectric material is disposed between the first electrode bands and the second electrode bands to provide a changeable gap.Type: ApplicationFiled: February 11, 2011Publication date: August 18, 2011Applicants: DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD., WINTEK CORPORATIONInventors: Wen-Chun Wang, Wen-Tui Liao, Ching-Fu Hsu
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Publication number: 20110169759Abstract: A touch-sensing display device includes a display panel, a touch panel, a driver unit, and a flexible printed circuit board. The touch panel is disposed on the display panel, and the driver unit is disposed on the display panel to provide driving signals and drive the display panel and the touch panel. The flexible printed circuit board connects the display panel to a system main board.Type: ApplicationFiled: January 13, 2011Publication date: July 14, 2011Inventors: Wen-Chun WANG, Chih-Chang Lai, Ting-Yu Chang, Chin-Chang Liu
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Publication number: 20110169783Abstract: A touch display device including a display, a touch panel and a transparent shielding layer is provided. The touch panel is disposed on the display, and includes a substrate and touch sensors positioned thereon. The transparent shielding layer is set between the display and the touch sensors of the touch panel, and includes an edge region and a central region wherein the impedance of the edge region is less than or equal to that of the central region.Type: ApplicationFiled: December 30, 2010Publication date: July 14, 2011Applicant: WINTEK CORPORATIONInventors: Wen-Chun Wang, Ming-Sin Jian
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Patent number: 7978271Abstract: A multi-domain liquid crystal display includes a first and a second transparent substrates, a liquid crystal layer interposed between them, a common electrode, a first and a second metal layers, a first and a second dielectric layer, multiple pixel electrodes and multiple auxiliary electrodes. The second metal layer is formed on the first dielectric layer, and the second dielectric layer is formed on the first dielectric layer and covers the second metal layer. The pixel electrodes are formed on the second dielectric layer, each of the pixel electrodes having at least one opening to divide itself into a plurality of sections. The auxiliary electrodes are formed on the second dielectric layer, and each of the auxiliary electrodes extends into the opening of the pixel electrode. The second metal layer is hollowed out at a position overlapping the auxiliary electrode to form at least one opening.Type: GrantFiled: June 5, 2008Date of Patent: July 12, 2011Assignee: Wintek CorporationInventors: Wen-Chun Wang, Chin-Chang Liu
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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: 20110132458Abstract: A solar light-control module includes a light-propagation chamber, a plurality of micro structures, a refractive media, and at least one solar cell. The light-propagation chamber has a first face, a second face and at least one side surface. Ambient light is incident to the first face to enter the solar light-control module. The micro structures are disposed on the second face to deflect the ambient light and guide the ambient light to a predetermined area of the light-propagation chamber. The refractive media is disposed between the second face of the light-propagation chamber and the micro structures, and the solar cell is disposed on the predetermined area.Type: ApplicationFiled: December 7, 2010Publication date: June 9, 2011Inventors: WEN-CHUN WANG, Zhi-Ting Ye, Chun-Chia Liu
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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: 20110080373Abstract: A touch panel includes a first substrate, a sensing electrode structure, a second substrate, a soft spacer layer and a shielding layer. The first substrate and the second substrate are parallel to each other, and the soft spacer layer is interposed between the first substrate and the second substrate for maintaining a gap between the first substrate and the second substrate. The sensing electrode structure is disposed on the first substrate for producing a first capacitance between the sensing electrode structure and an exterior object. The shielding layer is disposed on the second substrate, electrically connected to a ground side, and used for producing a second capacitance between the shielding layer and the sensing electrode structure when the exterior object is pressed and causes the gap to vary. The quantity of variation in the first and second capacitances is used for detecting a touch-control action of the exterior object.Type: ApplicationFiled: October 6, 2010Publication date: April 7, 2011Applicant: WINTEK CORPORATIONInventors: Wen-Chun Wang, Wen-Tui Liao, Ching-Fu Hsu, Chih-Chang Lai
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Publication number: 20110057897Abstract: A touch panel includes a cover glass, a first base plate and a second electrode layer. A first electrode layer is formed on a surface of the cover glass, and the first base plate is disposed on one side of the first electrode layer opposite the cover glass. The second electrode layer is formed on a surface of the first base plate opposite the first electrode layer.Type: ApplicationFiled: September 3, 2010Publication date: March 10, 2011Inventors: Wen-Chun WANG, Chih-Jung Teng, Kuo-Chang Su
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Publication number: 20110026665Abstract: A bi-directional shift register includes N stages, wherein the mth stage among the N stages includes a node, an output end, first input circuit, second input circuit, and a shift register unit. N is a natural number greater than 1 and m is a natural number smaller than or equal to N. First control signal is measured on the node. The output end outputs an mth output signal. The first input circuit receives an m?1th output signal as a control signal and a power signal to accordingly generate an enabled first driving signal to the node in first period. The second input circuit receives an m+1th output signal as a control signal and a power signal to accordingly generate an enabled second driving signal to the node in second period. Controlled by the first control signal, the shift register unit generates an mth output signal in third period.Type: ApplicationFiled: July 20, 2010Publication date: February 3, 2011Applicants: DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD., WINTEK CORPORATIONInventors: Chien-Ting Chan, Hsi-Rong Han, Wen-Chun Wang