Patents by Inventor Shang CHIN

Shang CHIN 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: 9535540
    Abstract: An optical touching assembly, including a display device, a sensing device, and a touching object, is provided. The display device has a touching area. The sensing device is electrically connected to the display device. The touching object is adapted to enter the touching area, such that the sensing device senses the motion of the touching object to control the display device. The touching object has an optical controlling element that generates light along with the motion of the touching object. The sensing device senses a characteristic variation of the light to trigger at least one operating function of the display device.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: January 3, 2017
    Assignee: Wistron Corporation
    Inventors: Shou-Te Wei, Shang-Chin Su, Hsun-Hao Chang
  • Publication number: 20160342823
    Abstract: A biometric recognition apparatus with deflection electrode includes a substrate, a multi-function electrode layer including a plurality of sensing electrodes, a plurality of deflection electrodes and at least one suppressing electrode. Each of the sensing electrodes is at least partially surrounded by a corresponding deflection electrode and each of the deflection electrodes is at least partially surrounded by the suppressing electrode. The biometric recognition apparatus further includes a switching circuit layer having a plurality of selection switches and conductive wires, at least a part of the selection switches and the conductive wires are electrically connected to the sensing electrodes. By above arrangement of the sensing electrodes, the deflection electrodes and the suppressing electrode, the sensing sensibility and signal to noise ratio can be enhanced, thus increasing the sensing distance between sensing electrode and user finger.
    Type: Application
    Filed: May 5, 2016
    Publication date: November 24, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Publication number: 20160342824
    Abstract: A biometric recognition apparatus with reflection-shielding electrode includes a substrate, a sensing electrode layer arranged on one side of the substrate, the sensing electrode layer including a plurality of sensing electrodes and at least one suppressing electrode. The biometric recognition apparatus further includes a plurality of selection switches and conductive wires, at least a part of the selection switches and the conductive wires are electrically connected to the sensing electrodes. The biometric recognition apparatus further includes a reflection-shielding electrode layer with at least one reflection-shielding electrode and arranged on one side of the sensing electrode layer. By incorporating the reflection-shielding electrode and the suppressing electrode, the sensing sensibility and signal to noise ration can be enhanced, thus increasing the sensing distance between sensing electrode and user finger.
    Type: Application
    Filed: May 5, 2016
    Publication date: November 24, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Patent number: 9501094
    Abstract: A combinational sensing type fingerprint identification device includes plural sensing electrodes; plural sensing electrode switches; plural first sensed signal connection lines, and a controller. Each sensing electrode switch corresponds to one sensing electrode and has a first terminal, a second terminal connected to a common signal, a third terminal connected to a corresponding sensing electrode, and a control terminal Each first sensed signal connection line is connected to the first terminals of the sensing electrode switches in one column. The controller is connected to the control terminal of each sensing electrode switch for controlling whether the sensing electrode switches are electrically connected to the common signal or corresponding first sensed signal connection lines. The controller configures the control terminals of the sensing electrode switches for allowing a part of the sensing electrodes to be electrically connected to the corresponding first sensed signal connection lines.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: November 22, 2016
    Assignee: SUPERC-TOUCH CORPORATION
    Inventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin
  • Publication number: 20160314332
    Abstract: A biometric feature identification device includes a substrate, an electrode layer, and a switch and trace layer. The electrode layer is arranged at one side of the substrate and has a plurality of electrodes. The switch and trace layer has a plurality of switches and a plurality of traces. The switches are provided to divide the plurality of electrodes sequentially or dynamically into at least one sensing electrode group and a plurality of deflection electrode groups corresponding thereto. Each sensing electrode group corresponds to at least two deflection electrode groups. Each sensing electrode group has at least one electrode for sensing. Each deflection electrode group has a plurality of electrodes for deflection.
    Type: Application
    Filed: April 22, 2016
    Publication date: October 27, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Publication number: 20160283769
    Abstract: A biometric recognition apparatus includes a substrate, a plurality of sensing electrodes, a plurality of traces, at least one shielding electrode, at least one insulating layer, and at least one fingerprint recognition IC. The sensing electrodes are arranged on one side of the substrate with at least one row to detect fingerprint information. Each trace is electrically coupled to at least one sensing electrode. The shielding electrodes are arranged above the traces to avoid the interference from fingers or external noise. The insulating layer is arranged between the shielding electrodes and the traces. The fingerprint recognition IC is connected to the corresponding sensing electrodes to detect the electric charge variations at the sensing electrodes.
    Type: Application
    Filed: March 7, 2016
    Publication date: September 29, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun Lin
  • Publication number: 20160266694
    Abstract: A high-sensitivity in-cell touch display device has a common voltage and sensing electrode layer including a plurality of common voltage and sensing electrodes, each corresponding to at least one pixel electrode. A touch circuit is provided with a touch-dedicated power supply circuit, and a common voltage and sensing electrode is used as a common node of the touch circuit and a display circuit, so that there is no current loop between the touch circuit and the display circuit. Reflection electrodes are further provided to reduce parasitic capacitance between the common voltage and sensing electrodes and to improve the sensing distance. The display operation and the touch sensing operation can be performed on different areas in parallel to increase respective efficiencies of the display and touch sensing operations.
    Type: Application
    Filed: March 9, 2016
    Publication date: September 15, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Publication number: 20160253542
    Abstract: A biometric recognition apparatus includes a curved substrate, a sensing electrode layer, and a plurality of selection switches. The sensing electrode layer is arranged on one side of the curved substrate. The sensing electrode layer has a plurality of sensing electrodes. The selection switches sequentially or dynamically select at least one sensing electrode to be one or more than one sensing electrode assemblies.
    Type: Application
    Filed: February 15, 2016
    Publication date: September 1, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun Lin
  • Patent number: 9430094
    Abstract: An optical touch system is provided. At least one light source is disposed at a side of a base plane. A first optical sensor and a second optical sensor detect a space in front of the base plane to generate a first signal and a second signal. When two groups of objects approach to or touch the base plane, a processing unit determines at least one first portion of the first signal corresponding to the two groups of the objects and at least one second portion of the second signal corresponding to the two groups of the objects, and converts the at least one first portion and the at least one second portion into a plurality of touch regions, and determines group transformations according to positions corresponding to at least part of touch regions. Additionally, a method of touch detection, and a computer program product are also provided.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: August 30, 2016
    Assignee: Wistron Corporation
    Inventors: Sheng-Hsien Hsieh, Shang-Chin Su, Hsun-Hao Chang, Kai-Chung Cheng, Shou-Te Wei
  • Publication number: 20160179251
    Abstract: A self-capacitance input device with hovering touch includes a sensing electrode layer, a reflection and deflection electrode layer, an insulation layer, and an amplifier with a gain greater than zero. The sensing electrode layer has a plurality of sensing electrodes on one side for sensing a touch or approach of an external object. The reflection and deflection electrode layer is disposed on the other side of the sensing electrode layer and has at least one reflection and deflection electrode. The insulation layer is disposed between the sensing electrode layer and the reflection and deflection electrode layer. The amplifier has an output coupled to the reflection and deflection electrode layer.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 23, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Patent number: 9372572
    Abstract: A locating method for an optical touch system determines a center position of an indication object on a touch area of the optical touch system by an optical location means. The locating method determines a light-emitting position of a light emitter of the indication object on the touch area by receiving indication light emitted from the light emitter by two optical sensors. The locating method determines a touch position and a touch direction according to a relative relationship between the center position and the light-emitting position; therein, the touch position can be regarded as a touch point on the touch area by the indication object, and the touch direction can be regarded as a rotation angle of the indication object relative to the touch area.
    Type: Grant
    Filed: April 6, 2014
    Date of Patent: June 21, 2016
    Assignee: Wistron Corporation
    Inventors: Shou-Te Wei, Shang-Chin Su
  • Publication number: 20160162721
    Abstract: An electronic device with fingerprint recognition circuit powered by dedicated power source includes a functional circuit, a plurality of fingerprint sensing electrodes, and a fingerprint sensing control circuit. The functional circuit is powered by a first power source. The fingerprint sensing electrodes are provided for sensing a contact of a finger. The fingerprint sensing control circuit is powered by a second power source which is different from the first power source. The fingerprint sensing control circuit is connected to the fingerprint sensing electrodes for driving the fingerprint sensing electrodes to sense the fingerprint, wherein there is no common current loop between the first power source and the second power source during an operation of fingerprint sensing.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 9, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Publication number: 20160162075
    Abstract: An electronic device with touch control circuit powered by dedicated power source includes a functional circuit, a plurality of touch sensing electrodes, and a touch sensing control circuit. The functional circuit is powered by a first power source. The touch sensing electrodes are provided for sensing a touch from an external object. The touch sensing control circuit is powered by a second power source which is different from the first power source. The touch sensing control circuit is connected to the touch sensing electrodes for driving the touch sensing electrodes to sense the touch, wherein there is no common current loop between the first power source and the second power source during an operation of touch sensing.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 9, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Patent number: 9342188
    Abstract: An optical touch control device includes a touch zone, an optical module, including a light source and a sense module for emitting a light signal to a touch object within the touch zone and obtaining an image data of the touch object via the sense module, and a calculation module coupled to the optical module for determining a touch coordinate of the touch object relative to the touch zone according to a pulse of the image data, wherein the pulse comprises a position parameter and a value parameter.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: May 17, 2016
    Assignee: Wistron Corporation
    Inventors: Chia-Te Chou, Shou-Te Wei, Shang-Chin Su, Yu-Yen Chen
  • Publication number: 20160132155
    Abstract: A high-sensitivity mutual-capacitance in-cell touch display panel device includes plural receiving sensing electrodes, a display control circuit, a touch sensing control circuit, and a touch signal driving circuit. The display control circuit is powered by a first power source and connected to a first ground. The touch sensing control circuit is coupled to the plural receiving sensing electrodes. The touch sensing control circuit is powered by a second power source and connected to a second ground, wherein the first power source and the first ground are different from the second power source and the second ground. The touch signal driving circuit is connected to the touch sensing control circuit and a common voltage layer. The touch sensing control circuit applies a touch signal to the touch signal driving circuit to generate a transmitting signal for being applied to the common voltage layer.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 12, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Publication number: 20160132154
    Abstract: A high-sensitivity self-capacitance in-cell touch display panel device includes a sensing electrode layer having plural sensing electrodes, a display control circuit, a touch sensing control circuit, and an amplifier with gain greater than zero. The display control circuit is powered by a first power source and connected to a first ground. The touch sensing control circuit is coupled to the sensing electrodes for performing a touch sensing. The touch sensing control circuit is powered by a second power source and connected to a second ground, wherein the first power source and the first ground are different from the second power source and the second ground. The amplifier is connected to the touch sensing control circuit and a common voltage layer. The touch sensing control circuit applies a sensing signal sensed by at least one sensing electrode to the amplifier for being amplified and applied to the common voltage layer.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 12, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Publication number: 20160098140
    Abstract: A display device with fingerprint identification and touch detection includes a first substrate, a second substrate parallel to the first substrate, a display material layer configured between the first substrate and the second substrate, and a thin film transistor and sensing electrode layer. The thin film transistor and sensing electrode layer is disposed at one surface of the first substrate facing the display material layer. The thin film transistor and sensing electrode layer has a plurality of sensing electrodes for performing fingerprint identification sensing and touch sensing at the same time.
    Type: Application
    Filed: October 1, 2015
    Publication date: April 7, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN
  • Patent number: 9304628
    Abstract: A touch sensing module including a plurality of image sensors and a processing unit is provided. The image sensors are disposed beside a reference plane and configured to detect the reference plane and to convert a detection result into a plurality of image signals respectively. The processing unit is configured to receive and process the image signals from the image sensors. When an object moves with respect to the reference plane in a plurality of first times and intersects or approaches the reference plane in each of the first times, the processing unit selects one first diagonal having the least length variation in the first times from a plurality of first diagonals of a first polygon surrounding the object in each first time to be a first orientation diagonal corresponding to a real orientation of the object. A touch sensing method and a computer program product are also provided.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: April 5, 2016
    Assignee: Wistron Corporation
    Inventors: Shou-Te Wei, Shang-Chin Su, Sheng-Hsien Hsieh
  • Patent number: 9280284
    Abstract: A method, an apparatus, and a computer readable medium for polygon gesture detection and interaction, adapted to an electronic apparatus having an input unit, are provided. In the method, a gesture moving from a starting point to an end point is received by using the input unit and sampling points thereof are collected. A trajectory of the sampling points is analyzed to obtain a center of the gesture. A surrounding area of the center is divided into equal label areas. A distance and an angle relative to an origin of each sampling point in the label areas are calculated and used as a vertical axis and a horizontal axis to draw a waveform diagram. A shape formed by the trajectory is determined according to characteristics of the waveform diagram and a specific function corresponding to the shape is performed.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: March 8, 2016
    Assignee: Wistron Corporation
    Inventors: Shou-Te Wei, Sheng-Hua Chou, Shang-Chin Su
  • Publication number: 20160055364
    Abstract: A combinational sensing type fingerprint identification device includes plural sensing electrodes; plural sensing electrode switches; plural first sensed signal connection lines, and a controller. Each sensing electrode switch corresponds to one sensing electrode and has a first terminal, a second terminal connected to a common signal, a third terminal connected to a corresponding sensing electrode, and a control terminal Each first sensed signal connection line is connected to the first terminals of the sensing electrode switches in one column. The controller is connected to the control terminal of each sensing electrode switch for controlling whether the sensing electrode switches are electrically connected to the common signal or corresponding first sensed signal connection lines. The controller configures the control terminals of the sensing electrode switches for allowing a part of the sensing electrodes to be electrically connected to the corresponding first sensed signal connection lines.
    Type: Application
    Filed: August 12, 2015
    Publication date: February 25, 2016
    Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN