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: 20120229369
    Abstract: 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: May 18, 2012
    Publication date: September 13, 2012
    Inventors: Wen-Chun Wang, Chien-Ting Chan
  • Patent number: 8264627
    Abstract: A liquid crystal display panel including a data line, a first, a second and a third scan line, a first, a second and a third switch, and a first, a second and a third pixel electrode is provided. These scan lines are sequentially disposed next to each other. Each switch has a control end, an input end and an output end. These control ends are respectively coupled to these scan lines. These input ends are coupled to the data line. These output ends are respectively coupled to the pixel electrodes. A first extending electrode of the first pixel electrode is near the second pixel electrode, a second extending electrode of the second pixel electrode is near the third pixel electrode, and a third extending electrode of the third pixel electrode is near the first extending electrode.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: September 11, 2012
    Assignee: Wintek Corporation
    Inventors: I-Fang Wang, Wen-Chun Wang
  • Patent number: 8263981
    Abstract: 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: Grant
    Filed: April 26, 2011
    Date of Patent: September 11, 2012
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, Yung-Cheng Chang, Fa-Chen Wu
  • Patent number: 8259270
    Abstract: 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: Grant
    Filed: September 9, 2009
    Date of Patent: September 4, 2012
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, I-Fang Wang, Ming-Chang Yu, Yung-Cheng Chang
  • Publication number: 20120206434
    Abstract: A shift register comprises many stages, and each of stages comprises a first, a second and a third level control unit and a first and a second control unit is provided. The first and the second level control unit respectively provides a first clock signal and a voltage to an output terminal. The first driving unit and the level control unit are coupled to a first node. The first driving unit turns on and turns off the first level control unit in response to an input signal, a second control signal and a first control signal of the next stage. The second driving unit turns on and turns off the second level control unit in response to the first control signal. The third level control unit provides a first voltage to the output terminal in response to the second control signal and the first control signal.
    Type: Application
    Filed: April 24, 2012
    Publication date: August 16, 2012
    Applicant: WINTEK CORPORATION
    Inventors: Yi-Cheng Tsai, Wen-Chun Wang, Hsi-Rong Han, Chien-Ting Chan
  • Patent number: 8243246
    Abstract: A liquid crystal display includes a color filter substrate, an array substrate, a liquid crystal layer, and at least one conductive element. The color filter substrate has at least one color filter, at least one first electrode, and at least one second electrode opposite the first electrode. The second electrode is comb-shaped and disposed between the first electrode and the liquid crystal layer, and one of the first and the second electrodes is electrically connected to a common voltage of the liquid crystal display. At least one conductive element electrically connects the source/drain region of a thin film transistor with the other one of the first and the second electrodes which is not connected to the common voltage.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: August 14, 2012
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, Chin-Chang Liu
  • Publication number: 20120182261
    Abstract: A touch-sensitive device includes a first and a second substrate and a first and a second touch-sensing electrode structure. The first touch-sensing electrode structure is disposed on the first substrate, and at least one touch position of a conductor is detected by sensing the capacitance variation of the first touch-sensing electrode structure. The second touch-sensing electrode structure is disposed on one side of the second substrate back to the first touch-sensing electrode structure. At least one touch position of an insulator is detected by sensing a variation of the interval between the first touch-sensing electrode structure and the second touch-sensing electrode structure.
    Type: Application
    Filed: January 19, 2012
    Publication date: July 19, 2012
    Inventors: Wen-Chun WANG, Ting-Yu Chang, Wen-Tui Liao, Ching-Fu Hsu, Tsung-Yu Wang, Chih-Yuan Wang, Yu-Hua Wu, Cheng-Yi Chou, Xuan-Chang Shiu, Fa-Chen Wu
  • Publication number: 20120169576
    Abstract: 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: Application
    Filed: December 23, 2011
    Publication date: July 5, 2012
    Applicants: WINTEK CORPORATION, WINTEK (CHINA) TECHNOLOGY LTD.
    Inventors: Wen-Chun Wang, Ming-Chang Yu, Wan-Jen Tsai, Min-Shian Tsai, Hsi-Rong Han
  • Patent number: 8212973
    Abstract: 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: Grant
    Filed: September 11, 2009
    Date of Patent: July 3, 2012
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, Yung-Cheng Chang, Ming-Chang Yu
  • Patent number: 8208598
    Abstract: A shift register comprises many stages, and each of stages comprises a first, a second and a third level control unit and a first and a second control unit is provided. The first and the second level control unit respectively provides a first clock signal and a voltage to an output terminal. The first driving unit and the level control unit are coupled to a first node. The first driving unit turns on and turns off the first level control unit in response to an input signal, a second control signal and a first control signal of the next stage. The second driving unit turns on and turns off the second level control unit in response to the first control signal. The third level control unit provides a first voltage to the output terminal in response to the second control signal and the first control signal.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: June 26, 2012
    Assignee: Wintek Corporation
    Inventors: Yi-Cheng Tsai, Wen-Chun Wang, Hsi-Rong Han, Chien-Ting Chan
  • Publication number: 20120112652
    Abstract: A driver circuit for a light-emitting device includes a light-emitting device, a data receiving unit, a storage unit, a driver unit and a voltage divider. The data receiving unit receives a data signal, the storage unit stores a capacitor voltage, and a positive correlation exists between the capacitor voltage and the data signal. The driver unit is coupled to the light-emitting device, and the driver unit is turned on to drive the light-emitting device according to the capacitor voltage and to generate a threshold voltage of the driver unit. The voltage divider is coupled between the data receiving circuit and the light-emitting device and turned on by the capacitor voltage to generate a divided voltage. The voltage divider detects a voltage variation in the threshold voltage and in a voltage across the light-emitting device and adjusts the divided voltage according to the voltage variation.
    Type: Application
    Filed: November 7, 2011
    Publication date: May 10, 2012
    Inventors: Wen-Chun WANG, Wen-Tui Liao, Tsung-Yu Wang
  • Publication number: 20120113050
    Abstract: A touch display panel is disclosed, which includes a first substrate, a second substrate, a touch sensing structure disposed on the first substrate, an organic light emitting diode (OLED) pixel array, and a sealant sealing the OLED pixel array between the first substrate and the second substrate. The OLED pixel array includes a plurality of OLED pixel units and an isolation structure isolating the adjacent OLED pixel units from each other. Each of the OLED pixel units includes a first electrode, an organic light emitting layer, a second electrode, an active device, and a conductive component electrically connecting the active device to the first electrode. The first electrodes, the organic light emitting layers, and the second electrodes are sequentially disposed on the first substrate, and the active devices are disposed on the second substrate.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 10, 2012
    Applicants: WINTEK CORPORATION, DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Wen-Chun Wang, Chin-Chang Liu, Kuo-Chang Su, Hen-Ta Kang
  • Publication number: 20120086655
    Abstract: A touch display panel including a first substrate, a second substrate, a touch sensing structure, a decoration film, an organic light emitting diode pixel array, and a sealant is provided. The touch sensing structure is disposed on the first substrate. The second substrate is opposite to a surface of the first substrate disposed with the touch sensing structure. The decoration film is disposed on the first substrate. The organic light emitting diode pixel array is located between the touch sensing structure and the second substrate. The sealant is disposed between the first substrate and the second substrate and seals the organic light emitting diode pixel array between the first substrate and the second substrate.
    Type: Application
    Filed: October 4, 2011
    Publication date: April 12, 2012
    Applicants: WINTEK CORPORATION, DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Wen-Chun Wang, Chin-Chang Liu, Kuo-Chang Su, Hsi-Rong Han
  • Patent number: 8154492
    Abstract: A liquid crystal display panel including an active device array substrate, an opposite substrate, and a liquid crystal layer is provided. The active device array substrate has at least one pixel unit including two active devices, two first pixel electrodes, and two common lines. Each of the active devices has a gate, a source, and a drain. The gates are connected with one another, the sources are connected with one another, and the pixel electrodes are connected with the drains. A first signal source connected with one of the common lines is different from a second signal source connected with the other one of the common lines. The opposite substrate has a common electrode connected with the first signal source. The liquid crystal layer is disposed between the active device array substrate and the opposite substrate.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: April 10, 2012
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, Yi-Chin Wang, Yi-Cheng Tsai
  • Patent number: 8134540
    Abstract: A touch panel having a color-filtering function is provided. The touch panel includes a first electrode layer, a second electrode layer, a first dielectric layer and a second dielectric layer. The second electrode layer is disposed above the first electrode layer. The first dielectric layer is disposed between the first electrode layer and the second electrode layer, while the second dielectric layer is disposed on the second electrode layer. Further, the second electrode layer is located between the first dielectric layer and the second dielectric layer. Here, either the first dielectric layer or the second dielectric layer is a color filter layer. A liquid crystal display panel using the above touch panel as a color filter is also provided.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: March 13, 2012
    Assignee: Wintek Corporation
    Inventors: Chien-Chung Kuo, Wen-Chun Wang
  • Publication number: 20120032175
    Abstract: A display structure includes a first transparent substrate, a second transparent substrate opposite the first transparent substrate, a display medium interposed between the first transparent substrate and the second transparent substrate, at least one first thin film transistor formed on the first transparent substrate, a first insulation layer formed on the first transparent substrate, a first electrode layer formed on the first insulation layer, an organic light-emitting layer formed on the first electrode layer and in a region not overlapping the first thin film transistor, a cathode layer formed on the organic light-emitting layer, and a second electrode layer formed on the second transparent substrate.
    Type: Application
    Filed: August 4, 2011
    Publication date: February 9, 2012
    Inventors: Wen-Chun WANG, Hsi-Rong Han, Hsien-Wei Chiang, Wen-Tui Liao
  • Patent number: 8098343
    Abstract: A pixel unit includes a first control circuit and a second control circuit and is divided into a first region and a second region. The first control circuit determines the output voltage of the first region and includes a first switching device, a first liquid crystal capacitor and a first storage capacitor coupled to the first switching device. The second control circuit determines the output voltage of the second region and includes a second switching device, a second liquid crystal capacitor and an auxiliary capacitor coupled to the second switching device, and a third switching device. The third switching device is coupled to the second switching device through the auxiliary capacitor, and the output voltage of the first region is different to that of the second region.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: January 17, 2012
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, Chien-Ting Chan, Yi-Chin Wang
  • Patent number: 8085377
    Abstract: A liquid crystal display (LCD) panel and an LCD device using the same are provided. The LCD panel includes a first and a second substrate, wherein a liquid crystal layer is sealed between the first and the second substrates. The first substrate has a plurality of pixel unit each including a data line, a scan line, a switch element, a first pixel electrode, a second pixel electrode, a first aligning electrode and a second aligning electrode. The scan line corresponds to a gap between the first pixel electrode and the second pixel electrode. The switch element has an input terminal, a control terminal, a first output terminal and a second output terminal. The first aligning electrode and the second aligning electrode correspond to the edges of the first pixel electrode and the second pixel electrode respectively, and receive a voltage of a common electrode.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: December 27, 2011
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, Kuo-Chang Su
  • Publication number: 20110304572
    Abstract: A touch-sensitive display device has an active display area and a non-active area and includes a touch-sensitive unit, a display unit and a liquid optical adhesive. The touch-sensitive unit has a touch-sensitive region substantially overlapping the active display area, and the display unit is disposed on one side of the touch-sensitive unit. The liquid optical adhesive is disposed between the touch-sensitive unit and the display unit to combine the touch-sensitive unit with the display unit, and an outer edge of the liquid optical adhesive is located in the non-active area of the touch-sensitive display device.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Inventors: Wen-Chun WANG, Ming-Sin Jian, San-Shien Wu, Ming-Chuan Lin, Chiu Wen Lo, Wen-Hung Wang, Shyh-Jeng Chen, Ping-Wen Chen
  • Publication number: 20110298750
    Abstract: A touch-sensitive device includes a transparent substrate, a touch-sensing structure, a metal trace layer, a transparent conductive layer and a first 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 metal trace layer is disposed on a non-touch-sensitive region of the touch-sensitive device. The transparent conductive layer is connected to the metal trace layer. The first insulation layer covers at least the touch-sensing structure, the metal trace layer and the transparent conductive layer. At least one opening is formed on the first insulation layer to expose a part of the transparent conductive layer.
    Type: Application
    Filed: June 2, 2011
    Publication date: December 8, 2011
    Inventors: Wen-Chun WANG, Ming-Kung Wu, Chia-Chi Chen, Chih-Jung Teng, Chin-Chang Liu, Fa-Chen Wu