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).

  • Publication number: 20110013126
    Abstract: 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: Application
    Filed: July 13, 2010
    Publication date: January 20, 2011
    Inventors: Wen-Chun WANG, Ming-Chang Yu, Yung-Cheng Chang
  • Publication number: 20100321214
    Abstract: A touch sensing method for a resistive type touch apparatus includes a touch panel and a driving circuit. In the touch sensing method, a single-touch mode or a multi-touch mode can be selected. In addition, the touch sensing method includes an analog driving method and a digital driving method to equip the resistive type touch apparatus with at least two sorts of resolutions.
    Type: Application
    Filed: June 17, 2010
    Publication date: December 23, 2010
    Applicants: DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD., WINTEK CORPORATION
    Inventors: Wen-Chun Wang, Kuo-Chang Su, Chih-Chang Lai
  • Publication number: 20100302195
    Abstract: A touch-sensing display device includes a display, a lens, and a touch-sensing element. The lens is positioned above the display, where a surface of the lens is divided into a periphery region and a central region, the central region is planar, and the periphery region is non-planar. The touch-sensing element is disposed between the lens and the display.
    Type: Application
    Filed: June 1, 2010
    Publication date: December 2, 2010
    Inventors: Wen-Chun Wang, Chun-Chia Liu, Zhi-Ting Ye
  • Publication number: 20100283721
    Abstract: A photoelectric display panel including a first substrate and a second substrate is provided. The first substrate being parallel to the second substrate has a pixel array including a plurality of display pixels. The second substrate includes a base plate and a black matrix located between the base plate and the first substrate. The black matrix has a first photoelectric transform block and a second photoelectric transform block. The first photoelectric transform block has a first transparent electrode, a first semiconductor layer and a first metal electrode that are laminated on the base plate. The second photoelectric transform block has a second transparent electrode, a second semiconductor layer and a second metal electrode that are laminated on the base plate. The second transparent electrode is electrically connected with the first metal electrode, so that the second photoelectric transform block and the first photoelectric transform block are connected in series.
    Type: Application
    Filed: May 6, 2010
    Publication date: November 11, 2010
    Applicant: WINTEK CORPORATION
    Inventors: Wen-Chun Wang, Chin-Chang Liu
  • Publication number: 20100277453
    Abstract: A method of driving an electronic paper solving an image sticking problem is provided. First, a frame writing process is executed, wherein a turn-on voltage is supplied to scan lines to enable transistors, and a frame data voltage is supplied to display units through data lines to write a frame. Then, a frame holding process is executed, wherein a turn-off voltage and an auxiliary data voltage are respectively supplied to the scan lines and the data lines to disable the transistors, and a first common voltage is provided by a common electrode layer. During the frame holding process, the first common voltage and the frame data voltage are applied to hold the frame, the turn-off voltage, the auxiliary data voltage, and the first common voltage are fixed voltages, and the auxiliary data voltage is substantially equal to the first common voltage and greater than the turn-off voltage.
    Type: Application
    Filed: July 6, 2009
    Publication date: November 4, 2010
    Applicant: WINTEK CORPORATION
    Inventors: Wen-Chun Wang, Chih-Chang Lai, Jyun-Sian Li, Chien-Ting Chan, Cheng-Yi Chou
  • Publication number: 20100265445
    Abstract: 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: Application
    Filed: April 20, 2010
    Publication date: October 21, 2010
    Inventors: Wen-Chun Wang, Ming-Chang Yu, Yung-Cheng Chang, Wan-Jen Tsai
  • Publication number: 20100259700
    Abstract: A liquid crystal display device includes a plurality of pixel units. Each of the pixel units includes a first thin film transistor and a second thin film transistor, a reflective sheet, and a storage capacitor. The channel width/length ratio of the first thin film transistor and the channel width/length ratio of the second thin film transistor are both larger than 12/5. The reflective sheet is disposed adjacent to the first thin film transistor and the second thin film transistor to reflect ambient light. The storage capacitor is formed at a position overlapping the reflective sheet and has a capacitance of lager than 1 pF.
    Type: Application
    Filed: April 8, 2010
    Publication date: October 14, 2010
    Inventors: Chih-Chang LAI, Nai Heng CHANG, Wen-Chun WANG, Po-Hsien WANG, Jyun-Sian LI, Ching-Fu HSU, Wei-Jian CHANG
  • Patent number: 7813467
    Abstract: A shift register includes several stages of shift register units. Each shift register unit includes a first level lifting unit, first level lowering unit, first driving unit and level controller. The first level lifting unit and first level lowering unit control the scan signal to be equal to a first timing signal and first voltage, respectively. The level controller includes an input unit, a charge storage unit, a second level lifting unit and a second level lowering unit. The input unit controls the third control signal to be equal to the first voltage at a node. The charge storage unit stores a voltage of the timing signal at the node. The second level lifting unit and second level lowering unit respectively control the second control signal to be equal to the third control signal and the first voltage to turn on and turn off the first level lowering unit.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: October 12, 2010
    Assignee: Wintek Corporation
    Inventors: Chien-Ting Chan, Wen-Chun Wang
  • Patent number: 7808565
    Abstract: An active matrix substrate is provided. The active matrix substrate includes a substrate, scan lines, data lines, and pixel units. The scan lines, data lines, and pixel units are all disposed over the substrate. The pixel unit includes an active component, a pixel electrode, and an auxiliary electrode. The active components are electrically connected with the scan lines and data lines. The pixel electrode has openings extended from the edge of the pixel electrode to the interior of the pixel electrode. The auxiliary electrode is electrically connected with the pixel electrode controlled by a previous scan line and includes a body portion and extending portions disposed in the openings. The pixel electrode is electrically connected with the auxiliary electrode of a pixel unit controlled by a next scan line.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: October 5, 2010
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, Chin-Chang Liu
  • Publication number: 20100245300
    Abstract: A shift register including a plurality of multi-stage shift register circuits is provided. The mth stage shift register circuit includes a node, a shift register unit and a control circuit. A first control signal, enabled in an mth period, is defined on the node. The shift register unit is controlled by an (m?1)th stage output signal provided by an (m?1)th stage shift register circuit and a clock signal for providing the enabled mth stage output signal in the mth period, and controlled by an (m+1)th stage second control signal provided by an (m+1)th stage shift register circuit for providing a disenabled mth stage output signal in the (m+1)th period. The control circuit, controlled by the clock signal, provides and outputs an mth stage second control signal to the (m?1)th stage shift register circuit according to the mth stage first control signal, wherein m is a natural number greater than 1.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 30, 2010
    Applicant: Wintek Corporation
    Inventors: Chien-Ting Chan, Wen-Chun Wang, Hsi-Rong Han, Kuo-Chang Su
  • Publication number: 20100245285
    Abstract: A capacitive touch panel includes a transparent substrate, a plurality of first sensing electrode sets and second sensing electrode sets provided on the transparent substrate. Each first sensing electrode set includes a plurality of first sensing electrodes electrically coupled in series through a plurality of first wires. Each second sensing electrode set includes a plurality of second sensing electrodes. A color compensation layer having a mesh-like pattern is provided between the first sensing electrodes and the second sensing electrodes. The second wires cover part of the surface of the color compensation layer to couple the second sensing electrodes in series.
    Type: Application
    Filed: March 23, 2010
    Publication date: September 30, 2010
    Inventors: Wen-Chun WANG, Ping-Wen HUANG, Chih-Jung TENG, Huang-Ming CHANG
  • Publication number: 20100225853
    Abstract: A reflective color-changing liquid crystal display including a first substrate, a second substrate parallel thereto, a first color-changing liquid crystal mixture layer between the two substrates, a first electrode layer and a second electrode layer disposed is provided. The color-changing liquid crystal mixture layer includes a plurality of liquid crystal molecules, a chiral dopant and a polymer mixture. The liquid crystal molecules and the chiral dopant are scattered in a solidified structure of the polymer mixture. The first electrode layer is disposed between the first substrate and the first color-changing liquid crystal mixture layer. The second electrode is disposed between the second substrate and the first color-changing liquid crystal mixture layer. The first color-changing liquid crystal mixture layer is suitable for reflecting a first reflective light with a wavelength changing with a first electric field produced between the first electrode layer and the second electrode layer.
    Type: Application
    Filed: March 2, 2010
    Publication date: September 9, 2010
    Applicant: WINTEK CORPORATION
    Inventors: Chih-Yuan Wang, Hsien-Wei Chiang, Wen-Chun Wang
  • Publication number: 20100225629
    Abstract: A photo sensing module is provided on a first substrate and includes a photo sensing device and a protection wiring. A gap exists between the photo sensing module and an external circuit, and the photo sensing device is provided on the first substrate. The protection wiring is electrically-conductive and located between the external circuit and at least a portion of the photo sensing device.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 9, 2010
    Inventors: Wen-Chun WANG, Po-Hsien Wang, Chih-Chang Lai, Hsi-Rong Han
  • Publication number: 20100214513
    Abstract: A high contrast display having a first substrate, a transistor array substrate and a light shielding layer is provided, wherein the first substrate includes a common electrode. The transistor array substrate includes a plurality of pixels arranged in array, wherein each pixel includes a transistor and a pixel electrode electrically connected thereto. The light shielding layer is disposed between the first substrate and the transistor array substrate. The high contrast display is able to protect the transistors from producing current leakage, so as to improve display quality.
    Type: Application
    Filed: November 24, 2009
    Publication date: August 26, 2010
    Applicant: WINTEK CORPORATION
    Inventors: Hen-Ta Kang, Wen-Chun Wang
  • Publication number: 20100182278
    Abstract: A resistive touch control device and driving methods and a driving controller thereof are provided to switch operation modes of a touch panel. Depending on the user's requirement, the touch panel can be operated in multi-touch mode or only in an analog mode with high resolution. In other words, the touch control device can be operated in a digital mode, the analog mode, or a hybrid mode including both of the digital and the analog modes.
    Type: Application
    Filed: January 22, 2010
    Publication date: July 22, 2010
    Applicant: WINTEK CORPORATION
    Inventors: Jian-Feng Li, Wen-Chun Wang, Chih-Chang Lai, Kuo-Chang Su, Gwo-Sen Lin, Chih-Hao Wang
  • Publication number: 20100164851
    Abstract: One embodiment of the invention is to provide a pixel unit coupled to a data line, a first scan line, and a second scan line. The pixel unit comprises a first sub-pixel unit and a second sub-pixel unit. The first sub-pixel unit comprises a first switching device coupled to the data line, a first storage capacitor and a first liquid crystal capacitor coupled to the first switching device. The second sub-pixel unit comprises a second switching device coupled to the first switching device, a coupling capacitor, and a second storage capacitor and a second liquid crystal capacitor coupled to the second switching device. The coupling capacitor is coupled between the first and second input/output terminals of the second switching device. The control terminal of the first switching device is coupled to the first scan line. The control terminal of the second switching device is coupled to the second scan line.
    Type: Application
    Filed: December 24, 2009
    Publication date: July 1, 2010
    Inventors: Wen-Chun Wang, Chien-Ging Chan
  • Publication number: 20100150301
    Abstract: A shift register includes several stages of shift register units. Each shift register unit includes a first level lifting unit, first level lowering unit, first driving unit and level controller. The first level lifting unit and first level lowering unit control the scan signal to be equal to a first timing signal and first voltage, respectively. The level controller includes an input unit, a charge storage unit, a second level lifting unit and a second level lowering unit. The input unit controls the third control signal to be equal to the first voltage at a node. The charge storage unit stores a voltage of the timing signal at the node. The second level lifting unit and second level lowering unit respectively control the second control signal to be equal to the third control signal and the first voltage to turn on and turn off the first level lowering unit.
    Type: Application
    Filed: February 25, 2010
    Publication date: June 17, 2010
    Applicant: WINTEK CORPORATION
    Inventors: Chien-Ting Chan, Wen-Chun Wang
  • Publication number: 20100141599
    Abstract: A sensing circuit for touch panel is disclosed. The sensing circuit includes a switching device, a passive device, a sensing device and a transforming unit. The switching device receives a first control signal and outputs the first control signal according to a second control signal. The passive device couples to the switching device. The sensing device couples to the switching device to form a node, receives the first control signal to generate a reference voltage on the node, and changes the value of the reference voltage to generate a target voltage according to a pressure exerting on a preset position of the surface of the touch panel by a user. The transforming unit receives the target voltage and generates an output current according to the target voltage.
    Type: Application
    Filed: December 7, 2009
    Publication date: June 10, 2010
    Inventors: Wen-Chun Wang, Chien-Ting Chan
  • Publication number: 20100142133
    Abstract: An electronic device with touch panel has a main body, a touch panel, a case and a joint unit wherein the touch panel is pivoted on the main body and the joint unit is connected between the main body and the case. The main body has a display with an active area, and the case has a plurality of patterns. Consequently, the touch panel is capable of being positioned on the active area or the patterns of the case for the user to operate on the active area directly or patterns in the form of a keyboard.
    Type: Application
    Filed: December 8, 2009
    Publication date: June 10, 2010
    Inventors: Wen-Chun WANG, Chin-Chang Liu, Kun-Chang Ho, Chih-Jung Teng
  • Patent number: 7728939
    Abstract: A multi-domain liquid crystal display includes a plurality of first and second picture elements having polarities opposite to each other under the same frame of an inversion drive scheme. Each first picture element has an extension part positioned next to at least one side of the adjacent second picture element, and each second picture element has an extension part positioned next to at least one side of the adjacent first picture element.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: June 1, 2010
    Assignee: Wintek Corporation
    Inventors: Ying-Cheng Tsai, Chien-Ting Chan, Hsi-Rong Han, Wen-Chun Wang