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).

  • TOUCH PANEL AND DIFFERENTIAL DETECTION METHOD FOR SAME
    Publication number: 20110227863
    Abstract: A touch panel and a differential detection method thereof are disclosed. A controller provides a driving signal to the i-th scan electrode. During providing the driving signal to the i-th scan electrode, the controller senses the feature difference value between two neighbouring sensing electrodes within the plural sensing electrodes, and senses the feature difference value ?Ci between the k-th sensing electrode within the sensing electrodes and a reference feature value, in which the feature difference values between the j-th sensing electrode and the (j+1)-th sensing electrode is represented by ?C(i,j). The controller set the feature value of a base sensing point within a plurality of sensing points of the touch panel as a base feature value, and use the base feature value, the feature difference values ?Ci and the feature difference values ?C(i,j) to calculate the feature values of the sensing points.
    Type: Application
    Filed: March 10, 2011
    Publication date: September 22, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: CHIEN-YUNG CHENG, PO-SHENG SHIH, PO-YANG CHEN
  • SURFACE CAPACITIVE TOUCH PANEL, DRIVING METHOD THEREOF AND ELECTRONIC APPARATUS USING THE SAME
    Publication number: 20110216035
    Abstract: A surface capacitive touch panel, a driving method thereof, a display apparatus using the same, and an electronic apparatus using the same are provided. The surface capacitive touch panel includes a substrate, a conductive film, and a plurality of driving sensing electrodes. The conductive film is formed on the substrate. The conductive film has an anisotropy of impedance to define a lower impedance direction and a higher impedance direction. The driving sensing electrodes are disposed on at least one side of the conductive film and the at least one side is substantially perpendicular to the lower impedance direction. The surface capacitive touch panel of the invention has high positioning accuracy. The touch sensing accuracy of the display apparatus and the electronic apparatus using the surface capacitive touch panel is also desirable.
    Type: Application
    Filed: March 2, 2011
    Publication date: September 8, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: PO-SHENG SHIH, HSUAN-LIN PAN, PO-YANG CHEN, JIA-SHYONG CHENG, CHIH-HAN CHAO, CHIEN-YUNG CHENG
  • Pixel Structure with Improved Viewing Angle
    Publication number: 20110169809
    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: Application
    Filed: March 25, 2011
    Publication date: July 14, 2011
    Applicant: HANNSTAR DISPLAY CORPORATION
    Inventor: Po-Sheng Shih
  • Liquid crystal display
    Patent number: 7973757
    Abstract: A liquid crystal display replaces the common electrodes of a conventional LCD with a plurality of switch electrodes. The plurality of switch electrodes is grouped into several switch electrode sets. Each of the switch electrode sets' potential is modulated by a different driving circuit. The driving circuits can also separately modulate the potentials of the switch electrode sets according to the scanning sequence of the LCD.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: July 5, 2011
    Assignee: Hannstar Display Corporation
    Inventors: Seok Lyul Lee, Po Sheng Shih
  • TRANSFLECTIVE LIQUID CRYSTAL DISPLAY PANEL AND MANUFACTURING METHOD THEREOF
    Publication number: 20110147749
    Abstract: A method for manufacturing a transflective liquid crystal display panel includes providing an array substrate having a plurality of pixel regions, each of the pixel regions includes a device region, a transmission region and a reflection region defined therein; forming a first metal layer on the array substrate; patterning the first metal layer to simultaneously form a gate electrode in the device region and a plurality of metal bumps in the reflection region; forming a first insulating layer having a rough surface and covering the gate electrode and the metal bumps on the array substrate; forming a patterned semiconductor layer on the gate electrode; forming a reflective layer covering the first insulating layer and having a rough surface in the reflection region; and sequentially forming a patterned second insulating layer and a transparent pixel electrode on the array substrate.
    Type: Application
    Filed: December 15, 2010
    Publication date: June 23, 2011
    Inventors: Sweehan J.H. Yang, Po-Sheng Shih, Chian-Chih Hsiao, Hsien-Tang Hu, Ting-Chung Liu
  • TOUCH APPARATUS AND DRIVING MEHTOD
    Publication number: 20110148790
    Abstract: A touch apparatus includes a touch panel, voltage storage elements, a voltage supply unit, and a processing unit. The touch panel has electrodes respectively coupled to the voltage storage elements. When the voltage supply unit does not provide the voltage to the voltage storage element, the voltage storage element achieves a voltage balance within an energy storage time and stores a voltage of the corresponding electrode. The energy storage times of a part of the voltage storage elements at least partially overlap. The energy storage times of two the voltage storage elements respectively coupled to two adjacent electrodes do not overlap with each other. The processing unit is coupled to the electrodes and the voltage storage elements and adopts voltages stored in the voltage storage elements when the voltage balance is achieved.
    Type: Application
    Filed: December 16, 2010
    Publication date: June 23, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: PO-SHENG SHIH, PO-YANG CHEN
  • TOUCHSCREEN AND DRIVING METHOD THEREOF
    Publication number: 20110122079
    Abstract: A touchscreen includes a touch panel including a plurality of sensor electrodes, a drive circuit including a plurality of the first transistors respectively corresponding to the sensor electrodes. The drive circuit is configured for detecting voltage on the sensor electrodes. When the touchscreen is initializing, a first voltage is provided to pre-charge the sensor electrodes, and a second voltage is provided to further charge the sensor electrodes via each first transistor. In addition, the first voltage and a voltage difference formed between the first and the second voltage are both less than or about equal to the source-drain withstanding voltage of each first transistor.
    Type: Application
    Filed: November 19, 2010
    Publication date: May 26, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: PO-SHENG SHIH, CHIH-HAN CHAO, PO-YANG CHEN
  • Input display
    Patent number: 7948047
    Abstract: An input display is provided in the present invention. The input display includes a thin film transistor (TFT) and a light blocking layer. The TFT includes a low-field electrode, a high-field electrode connected to the low-field electrode with a connecting section, and a field-effect area positioned on the connecting section and connected to the high-field electrode, wherein a PN junction field is formed in the field-effect area when the TFT is switched off. The light blocking layer corresponds to the high-field electrode and hides the field-effect area from all incident light from the TFT.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: May 24, 2011
    Assignee: HannStar Display Corp.
    Inventor: Po-Sheng Shih
  • TOUCH SENSING DISPLAY DEVICE WITH IN-CELL TOUCH PANEL
    Publication number: 20110115733
    Abstract: A touch sensing display device includes a touch panel and a signal processing circuit. The touch panel includes a plurality of pixel units, and the pixel units constitute a plurality of touch display units each comprising a touch sensing element. The touch sensing element is electrically coupled to a corresponding scanning line and electrically coupled to the signal processing circuit via a touch sensing line. A common voltage signal with a first polarity and an inversed second polarity is provided to the pixel unit. When the scanning line electrically coupled to the touch sensing element is provided with a scanning signal and the common voltage signal with the first polarity, a touch sensing signal generated by the touch sensing element is outputted to the signal processing circuit to enable the signal process circuit to generate a touch position indication signal.
    Type: Application
    Filed: November 18, 2010
    Publication date: May 19, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventor: PO-SHENG SHIH
  • Liquid crystal display
    Patent number: 7940238
    Abstract: A novel method for driving the data signal transmission and the photo signal readout in a pixel of a display as well as the novel pixel structure corresponding thereto is provided to overcome the lightness uniformity issue of the conventional touch sensitive display resulting from the configuration of readout line. In the present invention, the exclusive readout line for signal readout is not necessary anymore, and through the well-designed configuration for the novel pixel, the data line carrying on a data signal would transmit a photo signal to be read out and processed as well.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: May 10, 2011
    Assignee: Hannstar Display Corporation
    Inventors: Po-Sheng Shih, Hsuan-Lin Pan
  • DISPLAY DEVICE INCLUDING COMPENSATION CAPACITORS WITH DIFFERENT CAPACITANCE VALUES
    Publication number: 20110102692
    Abstract: An exemplary display device providing touch function includes scanning lines and data lines thereby defining lots of sub-pixel units. Each sub-pixel unit includes a pixel electrode, a storage capacitor, a compensation capacitor connected between the pixel electrode and a corresponding scanning line. In each pixel unit defined by n number adjacent sub-pixel units, both of a ratio of capacitance values between the storage capacitors formed in the corresponding sub-pixel units and a ratio of capacitance values between the corresponding compensation capacitors are respectively substantially equal to a ratio of areas between the corresponding pixel electrodes.
    Type: Application
    Filed: November 1, 2010
    Publication date: May 5, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: PO-SHENG SHIH, PO-YANG CHEN
  • Pixel structure with improved viewing angle
    Patent number: 7936344
    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 5, 2007
    Date of Patent: May 3, 2011
    Assignee: Hannstar Display Corporation
    Inventor: Po-Sheng Shih
  • TOUCH PANEL AND TOUCH DISPLAY DEVICE USING THE SAME
    Publication number: 20110096023
    Abstract: An exemplary embodiment of touch display device includes a touch panel and a signal processing circuit. The touch panel includes a plurality of touch sensing units, and each touch sensing unit includes a touch sensing element and a coupling sensing element. The signal processing circuit is electrically connected to the touch sensing element and the coupling sensing element. The touch sensing element provides a touch signal to the signal processing circuit, the coupling sensing element provides a coupling signal to the signal processing circuit, and the signal processing circuit processes the touch signal according to the coupling signal to filter an interference signal of the touch signal. A touch display device using the touch panel is also described.
    Type: Application
    Filed: October 19, 2010
    Publication date: April 28, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: PO-SHENG SHIH, SHING-SHIANG CHANG, JIA-SHYONG CHENG
  • DISPLAY APPARATUS AND TOUCH DISPLAY APPARATUS
    Publication number: 20110090162
    Abstract: A display apparatus includes a first substrate, a first conductive layer, a second substrate, a second conductive layer, a containing unit and a plurality of charged particles. The first conductive layer has anisotropic impedance and is disposed on the first substrate. The second conductive layer is disposed on the second substrate. The containing unit is disposed between the first conductive layer and the second conductive layer and includes a plurality of pixel spaces. The plurality of charged particles are filled in the pixel spaces.
    Type: Application
    Filed: October 10, 2010
    Publication date: April 21, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventor: PO-SHENG SHIH
  • Photo-sensitive element and liquid crystal display with the same
    Patent number: 7924378
    Abstract: A photo-sensitive element, a readout pixel with the photo-sensitive element, and a liquid crystal display with the readout pixels are described. The photo-sensitive element includes a switch TFT and a photo detecting device. The gate electrode of the switch TFT is electrically connected to a switch line and the source electrode of the switch TFT is electrically connected to a readout line. The photo detecting device is connected between the switch line and the drain electrode of the switch TFT for detecting the brightness of a light incident thereon. The photo detecting device is preferably a photo TFT, a photo diode, or a light sensitive resistor. The photo TFT and the switch TFT are preferably amorphous silicon transistors. The switch line is preferably a gate line disposed on the TFT array substrate of the liquid crystal display.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: April 12, 2011
    Assignee: Hannstar Display Corporation
    Inventors: Po-Yang Chen, Po-Sheng Shih, Tsu-Chiang Chang
  • LIQUID CRYSTAL DISPLAY TOUCH PANEL
    Publication number: 20110075059
    Abstract: An exemplary integrated LCD touch panel includes a first substrate, a second substrate, a liquid crystal layer and a driving control module. The first substrate includes scan lines, data lines, and contact sensor modules. Each sensor module comprises a sensor readout line, a readout transistor electrically connected to the sensor readout line and the scan line, and a contact electrode electrically connected to the readout transistor. The second substrate includes protrusions at a surface of the second substrate which faces toward the first substrate and positioned opposite to the contact electrode respectively. The liquid crystal layer is sandwiched between the first substrate and the second substrate. The driving control module is electrically connected to the readout lines and the data lines.
    Type: Application
    Filed: September 24, 2010
    Publication date: March 31, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: PO-SHENG SHIH, JIA-SHYONG CHENG
  • CAPACITIVE TOUCH PANEL
    Publication number: 20110069035
    Abstract: A capacitive touch panel includes a first conductive film with anisotropic impedance, a second conductive film with conductive structures, and an insulating layer disposed between the first conductive film and the second conductive film. The conducting direction of the conductive structures is perpendicular to the direction of least impedance of the first conductive film.
    Type: Application
    Filed: September 9, 2010
    Publication date: March 24, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: PO-YANG CHEN, PO-SHENG SHIH, HSUAN-LIN PAN, TAI-SHUN LIAO
  • SINGLE-CELL GAP TYPE TRANSFLECTIVE LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF
    Publication number: 20110063336
    Abstract: A single-cell gap type transflective liquid crystal display and a driving method thereof are provided. A multiplexer is added to each pixel of a thin-film transistor substrate of the display to respectively control voltages of a transmissive region and a reflective region of each pixel in conjunction with a modulation scan signal and different voltage data signals. Thus, a VT curve of the transmissive region and a VR curve of the reflective region can be adjusted to be identical.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 17, 2011
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: PO-SHENG SHIH, JIA-SHYONG CHENG, PO-YANG CHEN, JIUNN-SHYONG LIN
  • Pixel structure and exposure method thereof
    Patent number: 7903185
    Abstract: The present invention provides a pixel structure and exposure method thereof. This present invention divides these devices that influence the optical characteristic of the pixel region into two parts. Each part is located in a sub-pixel region of the pixel region. Different photolithography process rounds are performed in the different sub-pixel regions.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: March 8, 2011
    Assignee: Hannstar Display Corporation
    Inventors: Po-Sheng Shih, Seok-Lyul Lee
  • Liquid crystal display and driving method thereof
    Patent number: 7903068
    Abstract: The present invention provides a liquid crystal display including a plurality of pixel units defined by scanning lines and data lines. Each pixel unit includes two sub-pixels. Each sub-pixel includes a storage capacitor. The two storage capacitors in a pixel unit are connected to different voltage sources to modify the electric potential of the pixel electrodes.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: March 8, 2011
    Assignee: HannStar Display Corporation
    Inventors: Po-Yang Chen, Po-Sheng Shih