Patents by Inventor Po-Sheng Shih

Po-Sheng Shih 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).

  • Patent number: 8742261
    Abstract: A transparent conductive film includes a number of first transparent conductive stripes extending along a first direction and a number of second transparent conductive stripes extending along a second direction and intersecting the number of first transparent conductive stripes. The first conductive stripes are spaced from each other and extend substantially along a first direction. The second transparent conductive stripes are spaced from each other and extend substantially along a second direction. The first transparent conductive stripes are electrically connected with the second transparent conductive stripes. The first transparent conductive stripes and the second conductive stripes are arranged in patterns such that the transparent conductive film has an anisotropic impedance. The first direction is a low impedance direction.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: June 3, 2014
    Assignee: Shih Hua Technology Ltd.
    Inventors: Ming-Tien Lin, Po-Sheng Shih
  • Patent number: 8686309
    Abstract: A touch panel includes an insulating substrate, a transparent conductive layer, a number of electrodes, a number of conductive wires, and at least one conductive zone. The transparent conductive layer corresponding to a touch area of the touch panel is fixed on the insulating substrate. The electrodes are electrically connected to the transparent conductive layer. The conductive wires are electrically connected to a controller and are respectively electrically connected to the electrodes. The at least one conductive zone has two ends. One of the two ends of the at least one conductive zone is electrically connected to the controller. The at least one conductive zone and the conductive wires are disposed in a trace area of the touch panel at a distance.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: April 1, 2014
    Assignee: Shih Hua Technology Ltd.
    Inventors: Po-Sheng Shih, Chien-Yung Cheng
  • Publication number: 20140085708
    Abstract: An electronic paper display device includes an electronic paper display panel, and a functional layer. The electronic paper display panel includes a display surface. The functional layer is located on the display surface and includes a carbon nanotube touching functional layer, an anti-glare layer, and a waterproof layer. The carbon nanotube touching functional layer is located between the anti-glare layer and the electronic paper display panel. The waterproof layer is located between the carbon nanotube touching functional layer and the electronic paper display panel.
    Type: Application
    Filed: December 2, 2013
    Publication date: March 27, 2014
    Applicant: SHIH HUA TECHNOLOGY LTD.
    Inventors: PO-SHENG SHIH, JIA-SHYONG CHENG
  • Patent number: 8681118
    Abstract: The present disclosure is directed to a touch panel and a method of locating a touch point. An insulating layer is disposed between a first insulating substrate and a second insulating substrate. A first conductive film with anisotropic impedance is disposed between the first insulating substrate and the insulating layer, and a second conductive film with anisotropic impedance is disposed between the insulating layer and the second insulating substrate. Multiple first pads are disposed on a peripheral region of the first conductive film along a first direction, and multiple second pads are disposed on a peripheral region of the second conductive film along a second direction. The first conductive film has least impedance along the second direction, and the second conductive film has least impedance along the first direction.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: March 25, 2014
    Assignee: Chimei Innolux Corporation
    Inventors: Tai-Shun Liao, Hsuan-Lin Pan, Po-Sheng Shih
  • Patent number: 8634127
    Abstract: An electronic paper display device includes an electronic paper display panel, and a functional layer. The electronic paper display panel includes a display surface. The functional layer is located on the display surface and includes a carbon nanotube touching functional layer.
    Type: Grant
    Filed: December 26, 2011
    Date of Patent: January 21, 2014
    Assignee: Shih Hua Technology Ltd.
    Inventors: Po-Sheng Shih, Jia-Shyong Cheng
  • Publication number: 20140009435
    Abstract: A hybrid touch panel includes a capacitive touch panel, an electromagnetic touch panel, and a display. The display is sandwiched between the capacitive touch panel and the electromagnetic touch panel. The capacitive touch panel includes a transparent conductive layer. The transparent conductive layer includes a porous carbon nanotube layer. A transmission rate of the porous carbon nanotube layer to an electromagnetic wave with a frequency from 600 KHz to 2000 MHz is larger than 80%.
    Type: Application
    Filed: December 28, 2012
    Publication date: January 9, 2014
    Applicant: SHIH HUA TECHNOLOGY LTD.
    Inventors: PO-SHENG SHIH, JIA-SHYONG CHENG
  • Publication number: 20140009410
    Abstract: A conductive layer capable of passing through an electromagnetic wave is disclosed in present disclosure. The conductive layer includes a carbon nanotube film including a number of carbon nanotubes. The carbon nanotubes are joined firmly by van der Waals attractive force. The carbon nanotube film further includes a number of micro-gaps between the carbon nanotubes. A transmission rate of the carbon nanotube film to an electromagnetic wave with a frequency from 600 KHz to 2000 MHz is larger than 80%. An electronic device employing the conductive layer is also disclosed.
    Type: Application
    Filed: December 28, 2012
    Publication date: January 9, 2014
    Applicant: Shih Hua Technology Ltd.
    Inventors: PO-SHENG SHIH, JIA-SHYONG CHENG
  • Patent number: 8623163
    Abstract: A method for making a touch panel is disclosed. A substrate having a surface including a touch-view area and a trace area is provided. An adhesive layer is applied on the surface of the substrate. A carbon nanotube layer is placed on the adhesive layer. The adhesive layer is solidified. The carbon nanotube layer and the adhesive layer on the trace area are removed to expose the trace area. An electrode and a conductive trace are formed on the trace area.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: January 7, 2014
    Assignee: Shih Hua Technology Ltd.
    Inventors: Chun-Yi Hu, Yi-Lin Chang, Chih-Han Chao, Po-Sheng Shih
  • Patent number: 8624872
    Abstract: A method for detecting a touch trace is provided. A look up table, including a plurality of position coordinates and calibrating rules f corresponding to each of the plurality of position coordinates, is built. A touch trace including at least one touch point is received, wherein if an actual contact area Ai of the at least one touch point is a basic contact area A0, an actual signal value Vi of the at least one touch point is V0i. Each of the calibrating rules f is to convert the value V0i to a standard signal value Vs. Position coordinates of the at least one touch point are calculated, the actual signal value Vi under the actual contact area Ai is obtained; and the calibrating rule f corresponded is queried. The actual signal value Vi is calibrated to the calibrated signal value V?i.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: January 7, 2014
    Assignee: Shih Hua Technology Ltd.
    Inventors: Po-Sheng Shih, Chien-Yung Cheng
  • Patent number: 8623224
    Abstract: The present disclosure relates to a method for making pattern conductive element. The method includes steps. A substrate having a surface is provide. An adhesive layer is formed on the surface of the substrate. Part of the adhesive layer is solidified to form a solidified adhesive layer and a non-solidified adhesive layer. A carbon nanotube layer is applied on the adhesive layer. The non-solidified adhesive layer is solidified so that the carbon nanotube layer on the non-solidified adhesive layer forms a fixed carbon nanotube layer and the carbon nanotube layer on the solidified adhesive layer forms a non-fixed carbon nanotube layer. The non-fixed carbon nanotube layer is removed and the fixed carbon nanotube layer is remained to form a pattern carbon nanotube layer.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: January 7, 2014
    Assignee: Shih Hua Technology Ltd.
    Inventors: Jia-Shyong Cheng, Po-Shan Huang, Po-Sheng Shih, Chun-Yi Hu, Chih-Han Chao, Jeah-Sheng Wu
  • Patent number: 8624873
    Abstract: A method for detecting a touch spot of the touch panel includes the following steps. The electrode pairs are scanned along the impedance direction for determining a first coordinate. A number of electrode pairs near the first coordinate are selected to obtain an electrode pair signal. The first driving electrodes of the selected electrode pairs are scanned to obtain a first signal. The second driving electrodes of the selected electrode pairs are scanned to obtain a second signal. A second coordinate is determined according to the electrode pair signal, first signal, and second signal. Finally, the touch spot is determined according to the first coordinate, and second coordinate.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: January 7, 2014
    Assignee: Shih Hua Technology Ltd.
    Inventors: Chun-Lung Huang, Chien-Yung Cheng, Po-Yang Chen, Po-Sheng Shih
  • Patent number: 8610685
    Abstract: A positioning method and a driving apparatus of a touch panel are provided. The touch panel includes a conductive layer with anisotropic conductivity, a plurality of first electrodes and a plurality of second electrodes. The first electrodes and the second electrodes are respectively disposed on a first side and a second side of the conductive layer. The first electrodes and the second electrodes are sensed to obtain a plurality of sensing values. A first relative extreme portion at least having a relative extreme is defined among the first electrodes. A second relative extreme portion at least having a relative extreme is defined among the second electrodes. A ratio of sensing values is calculated according to the first relative extreme portion and the second relative extreme portion. A position of a touch point on the touch panel in a first axial direction is calculated with the ratio of sensing values.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: December 17, 2013
    Assignee: Chimei InnoLux Corporation
    Inventors: Po-Yang Chen, Po-Sheng Shih, Chien-Yung Cheng
  • Publication number: 20130319841
    Abstract: A touch panel includes a first conductive layer, an insulating layer and a second conductive layer. The first conductive layer, the insulating layer, and the second conductive layer are stacked in that order. The first conductive layer includes a carbon nanotube layer. The carbon nanotube layer includes a large number of carbon nanotubes, and the carbon nanotubes are arranged substantially along a first direction. The second conductive layer includes a number of metal strips. The metal strips are spaced from each other. The metal strips are arranged substantially along a second direction, and the first direction and the second direction are intersected.
    Type: Application
    Filed: December 28, 2012
    Publication date: December 5, 2013
    Applicant: SHIH HUA TECHNOLOGY LTD.
    Inventors: CHIH-HAN CHAO, PO-SHENG SHIH, JIA-SHYONG CHENG
  • Publication number: 20130319832
    Abstract: A touch panel includes a first electrode plate and a second electrode plate. The first electrode plate includes a first substrate and a first conductive layer. The first conductive layer is located on a surface of the first substrate. The first conductive layer is a carbon nanotube layer. The second electrode plate includes a second substrate and a second conductive layer. The second conductive layer is located on a surface of the second substrate. The second conductive layer is opposite to and spaced from the first conductive layer. The second conductive layer is a metal conductive layer.
    Type: Application
    Filed: December 28, 2012
    Publication date: December 5, 2013
    Applicant: SHIH HUA TECHNOLOGY LTD.
    Inventors: CHIH-HAN CHAO, PO-SHENG SHIH, JIA-SHYONG CHENG
  • Patent number: 8599471
    Abstract: An electronic paper display device includes an electronic paper display panel, and a functional layer. The electronic paper display panel includes a common electrode layer and a display surface. The functional layer is located on the display surface and includes a carbon nanotube touching functional layer. A distance between the common electrode layer and the carbon nanotube touching functional layer is above 100 microns and equal to or less than 2 millimeters.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: December 3, 2013
    Assignee: Shih Hua Technology, Ltd.
    Inventors: Po-Sheng Shih, Jia-Shyong Cheng, Po-Yang Chen
  • Patent number: 8587505
    Abstract: The present invention provides a liquid crystal display with a plurality of pixel units. Each pixel unit includes two sub-pixels. Each sub-pixel includes a thin film transistor, a liquid crystal capacitor and a storage capacitor. One of the storage capacitors is a changeable capacitor. By the changeable capacitor, two different data voltages are generated in respective sub-pixels during adjacent frames. The different data voltages are symmetrical with respect to a common voltage to improve image quality.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: November 19, 2013
    Assignee: Hannstar Display Corporation
    Inventor: Po-Sheng Shih
  • Patent number: 8581814
    Abstract: A method for driving pixels of a display panel is provided. The display panel includes a first gate line coupled to a gate of a first-switch transistor, wherein a source of the first-switch transistor is coupled to a liquid crystal capacitor and a first-storage capacitor. The liquid crystal capacitor includes a pixel electrode and a common electrode. A terminal of the first-storage capacitor is coupled to a second gate line. First, a first modulation signal is provided to the common electrode. Next, the first-switch transistor is turned on by the first gate line. Next, a second modulation signal is provided to the second gate line after the first-switch transistor is turned on. Wherein, the second modulation signal enables a second-switch transistor coupled to the second gate line to operate in the cut-off region. And the first and second modulation signals are in phase.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: November 12, 2013
    Assignee: Hannstar Display Corporation
    Inventors: Po-Yang Chen, Po-Sheng Shih, Tsu-Chiang Chang
  • Patent number: 8564542
    Abstract: A multi-touch detecting method is adapted for detecting touched points on a touch panel that includes first and second conductive films. The first conductive film exhibits electric anisotropy, and has a lower resistivity in a first direction. The multi-touch detecting method includes: applying a first voltage to the first conductive film; applying a second voltage greater than the first voltage to the second conductive film; measuring sequentially voltages at different measuring points of the first conductive film; obtaining a first local maximum voltage, a second local maximum voltage and a local minimum voltage from the measured voltages; determining a first location of the touched points based on a location of the measuring point corresponding to the first local maximum voltage; and determining a second location of the touched points based on a location of the measuring point corresponding to the second local maximum voltage.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: October 22, 2013
    Assignee: Chimei Innolux Corporation
    Inventors: Po-Yang Chen, Po-Sheng Shih
  • Publication number: 20130257773
    Abstract: An electronic device includes a shell and a touch panel located in the shell. The touch panel includes a touch sensing unit, a signal transmitting circuit, a signal guiding circuit, a protection unit, and a driving unit. The signal transmitting circuit is electrically connected to the touch sensing unit and the driving unit. The signal guiding circuit surrounds the touch sensing unit and the signal transmitting circuit. The protection unit is electrically connected to the signal guiding circuit and ground. At least one switch signal is outputted from the driving unit and transmitted to the signal transmitting circuit and the signal guiding circuit. An external interference signal is received by the signal guiding circuit and guided to ground via the protection unit.
    Type: Application
    Filed: March 29, 2013
    Publication date: October 3, 2013
    Applicant: Shih Hua Technology Ltd.
    Inventors: Po-Sheng SHIH, Chien-Yung CHENG
  • Patent number: 8547491
    Abstract: The present invention provides a liquid crystal display with a plurality of pixel units. Each pixel unit includes two sub-pixels, and each sub-pixel includes a thin film transistor, a liquid crystal capacitor and a storage capacitor. One of the storage capacitors is a tunable capacitor. The tunable capacitor includes a first conductive layer, an insulating layer, a semiconductor layer with a area Asem, and a second metal layer. The second conductive layer has a first region with a area Acon overlapping with the semiconductor layer. The area Acon is less than the area Asem.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: October 1, 2013
    Assignee: Hannstar Display Corporation
    Inventors: Po-Yang Chen, Po-Sheng Shih, Hsuan-Lin Pan, Jiunn-Shyong Lin