Patents by Inventor Chang Ho Liou

Chang Ho Liou 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: 9784626
    Abstract: A pressure array sensor module, comprising an array electrode board, a plurality of pressure sensing elements, at least one first conductive structure and at least one second conductive structure is provided. The array electrode board comprises a substrate and an electrode array disposed on the substrate and having a first electrode pattern and a second electrode pattern. Each pressure sensing element is disposed at a sensing position on the array electrode board, and comprises a top electrode layer, a bottom electrode layer and at least one pressure sensing layer disposed between the top electrode layer and the bottom electrode layer. The top electrode layer has a first lead. The bottom electrode layer has a second lead. The first conductive structure electrically connects the first lead and the corresponding first electrode pattern. The second conductive structure electrically connects the second lead and the corresponding second electrode pattern.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: October 10, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chang-Yi Chen, Jui-Yiao Su, Yan-Chen Liu, Chang-Ho Liou
  • Publication number: 20160097688
    Abstract: A pressure array sensor module, comprising an array electrode board, a plurality of pressure sensing elements, at least one first conductive structure and at least one second conductive structure is provided. The array electrode board comprises a substrate and an electrode array disposed on the substrate and having a first electrode pattern and a second electrode pattern. Each pressure sensing element is disposed at a sensing position on the array electrode board, and comprises a top electrode layer, a bottom electrode layer and at least one pressure sensing layer disposed between the top electrode layer and the bottom electrode layer. The top electrode layer has a first lead. The bottom electrode layer has a second lead. The first conductive structure electrically connects the first lead and the corresponding first electrode pattern. The second conductive structure electrically connects the second lead and the corresponding second electrode pattern.
    Type: Application
    Filed: December 17, 2014
    Publication date: April 7, 2016
    Inventors: Chang-Yi Chen, Jui-Yiao Su, Yan-Chen Liu, Chang-Ho Liou
  • Patent number: 9247653
    Abstract: A flexible electronic component module includes a first substrate and a second substrate. The first substrate overlaps the second substrate to define at least one first exposed portion and at least one second exposed portion. The at least one first exposed portion includes a first electrode layer and the at least one second exposed portion includes a second electrode layer. The first electrode layer is disposed on a lower surface of the first substrate and the second electronic layer is disposed on an upper surface of the second substrate.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: January 26, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chang Yi Chen, Yung Min Hsieh, Chang Ho Liou
  • Patent number: 9226725
    Abstract: A physiological signal sensing structure, a stethoscope therewith, and a manufacturing method thereof are provided. The sensing structure for physiological signals includes a flexible substrate, a piezoelectric sensing structure and a damping structure. The piezoelectric sensing structure is disposed over the flexible substrate, and includes a first surface and a second surface. The second surface of the piezoelectric sensing structure faces the flexible substrate. The piezoelectric sensing structure is an arc with a curvature, and the first surface thereof may face outward. The damping structure may be disposed between the flexible substrate and the piezoelectric sensing structure. In an embodiment, a further amplifying structure is disposed over the first surface of the piezoelectric sensing structure and contacts or does not contact a top region of the first surface.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: January 5, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Wen-Ching Ko, Kuo-Hua Tseng, Chang-Ho Liou, Chang-Yi Chen
  • Patent number: 9074954
    Abstract: A readout apparatus and a driving method for sensor are provided. The readout apparatus includes an adjustable bias unit, a sensor unit, a signal converting unit, a checking unit and a control unit. The sensor unit senses physical energy and outputs a sensing result by using a bias voltage outputted from the adjustable bias unit. The control unit controls the adjustable bias unit according to the sensing result, so as to adjust the bias voltage. Therefore, the readout apparatus can reduce continuous power loss caused by long-term detection.
    Type: Grant
    Filed: September 15, 2012
    Date of Patent: July 7, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Hua Tseng, Chang-Ho Liou, Wen-Ching Ko, Yan-Rung Lin, Kuan-Wei Chen
  • Publication number: 20150088021
    Abstract: A vital signs sensing apparatus includes a sound sensing unit and a pressure unit. The sound sensing unit senses a sound inside a body of a user and produces an audio signal. The pressure unit produced a pressure signal. The pressure signal indicates a degree of closeness between the vital signs sensing apparatus and the user. The audio signal is transformed into a processed audio signal according to the pressure signal.
    Type: Application
    Filed: December 27, 2013
    Publication date: March 26, 2015
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuo-Hua Tseng, Chang-Ho Liou, Wen-Ching Ko
  • Patent number: 8941098
    Abstract: A light detecting array structure and a light detecting module are provided. The light detecting array structure includes a plurality of first electrodes, a plurality of second electrodes, a first carrier selective layer, a second carrier selective layer, and a light-absorbing active layer. The second electrodes are disposed on one side of the first electrodes. Between the first electrodes and the second electrodes, a first carrier selective layer, a light-absorbing active layer and a second carrier selective layer are disposed. The light detecting module includes the light detecting array structure and a control unit. The control unit is coupled to the first electrodes and second electrodes, selectively provides at least two cross voltages between each of the first electrodes and each of the second electrodes, and reads photocurrents flowing through the first electrodes and second electrodes.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: January 27, 2015
    Assignees: Industrial Technology Research Institute, National Tsing Hua University
    Inventors: Yan-Rung Lin, Chang-Ho Liou, Sheng-Fu Horng, Jen-Chun Wang, Yun-Ru Hong, Ming-Kun Lee, Hsin-Fei Meng
  • Publication number: 20140369008
    Abstract: A flexible electronic component module includes a first substrate and a second substrate. The first substrate overlaps the second substrate to define at least one first exposed portion and at least one second exposed portion. The at least one first exposed portion includes a first electrode layer and the at least one second exposed portion includes a second electrode layer. The first electrode layer is disposed on a lower surface of the first substrate and the second electronic layer is disposed on an upper surface of the second substrate.
    Type: Application
    Filed: December 13, 2013
    Publication date: December 18, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: CHANG YI CHEN, YUNG MIN HSIEH, CHANG HO LIOU
  • Patent number: 8831253
    Abstract: An electroacoustic apparatus with an optical energy conversion function is provided. The electroacoustic apparatus includes an optical energy converter for converting optical energy into electrical power. The electroacoustic apparatus further includes a signal generator and a flat speaker. The signal generator receives a signal from a sound source and generates a sound signal according to the received signal. The signal generator sends the sound signal to the flat speaker, and the flat speaker makes a sound according to the sound signal. Aforementioned operations are all performed by using the electrical power generated by the optical energy converter or a power stored therein.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: September 9, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chang-Ho Liou, Ming-Daw Chen, Yi-Jen Chan, Kun-Chia Wu, Winny Wang
  • Patent number: 8776607
    Abstract: An electrical property measuring apparatus for pressure sensor includes a first plate, a second plate, an object to be measured, an electrical property measuring unit used for measuring the electrical properties of the object, and a fluid supplying system. The second plate is opened or closed relative to the first plate. The object is disposed between the first plate and the second plate. The fluid supplying system connects to a space formed by the first plate and a pressed surface or a space formed by the second plate and a pressed surface. The fluid supplying system provides a fluid to the space such that the fluid presses on the object and the electrical property measuring unit measures the electrical properties of the object. A method of measuring electrical property for pressure sensor is also provided.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: July 15, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Jyun-Kai Ciou, Yan-Rung Lin, Chang-Ho Liou
  • Publication number: 20140130593
    Abstract: A pressure measurement structure includes a first substrate, a second substrate, a first electrode layer, a second electrode layer, at least a piezoresistive layer and a wiring layer. The second substrate faces towards the first substrate. The first electrode layer is disposed on the first substrate and faces towards the second substrate. The second electrode layer is disposed on the second substrate and faces towards the first electrode layer. At least a piezoresistive layer is located between the first electrode layer and the second electrode layer. A wiring layer is disposed on the second substrate and back to the first substrate. The wiring layer includes multiple wires. Part of the wires are electrically connected to the first electrode layer. The other part of the wires are electrically connected to the second electrode layer.
    Type: Application
    Filed: March 22, 2013
    Publication date: May 15, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jyun-Kai Ciou, Yan-Rung Lin, Chang-Ho Liou, Chang-Yi Chen
  • Publication number: 20140021969
    Abstract: A readout apparatus and a driving method for sensor are provided. The readout apparatus includes an adjustable bias unit, a sensor unit, a signal converting unit, a checking unit and a control unit. The sensor unit senses physical energy and outputs a sensing result by using a bias voltage outputted from the adjustable bias unit. The control unit controls the adjustable bias unit according to the sensing result, so as to adjust the bias voltage. Therefore, the readout apparatus can reduce continuous power loss caused by long-term detection.
    Type: Application
    Filed: September 15, 2012
    Publication date: January 23, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuo-Hua Tseng, Chang-Ho Liou, Wen-Ching Ko, Yan-Rung Lin, Kuan-Wei Chen
  • Patent number: 8625824
    Abstract: A flat speaker unit is provided herein. The flat speaker unit includes a first porous electrode, a second porous electrode, and a vibrating membrane with an electret layer disposed there between. In one embodiment, a plurality of supporting members may be configured between the vibrating membrane and the first porous electrode, or between the vibrating membrane and the second porous electrode. In one embodiment, a flat speaker device is provided with at least two flat speaker unit stacked together. By electrically connecting two ends of a signal source respectively to the first and second porous electrodes, or, in another embodiment, electrically connecting one end of the signal source to both of the first and second porous electrodes and connecting another end of the signal source to the vibrating membrane, a sound with low THD is generated accordingly from the flat speaker unit.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: January 7, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Kuan-Wei Chen, Ming-Daw Chen, Chang-Ho Liou, Kuo-Hua Tseng
  • Patent number: 8594349
    Abstract: A speaker structure includes a membrane, an electrode which has a plurality of holes, a frame holding member and at least one set of supporting members. The frame holding member forms an exterior shape of the speaker structure and holds the membrane and the electrode at two opposite sides. Each of the set of the supporting members has a geometric structure and is placed in a space opposite to a soniferous hole region between the electrode and the membrane, so as to prevent the membrane and the electrode from contacting.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: November 26, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Ming-Daw Chen, Chang-Ho Liou, Kuo-Hua Tseng, Kuan-Wei Chen
  • Publication number: 20130310709
    Abstract: A physiological signal sensing structure, a stethoscope therewith, and a manufacturing method thereof are provided. The sensing structure for physiological signals includes a flexible substrate, a piezoelectric sensing structure and a damping structure. The piezoelectric sensing structure is disposed over the flexible substrate, and includes a first surface and a second surface. The second surface of the piezoelectric sensing structure faces the flexible substrate. The piezoelectric sensing structure is an arc with a curvature, and the first surface thereof may face outward. The damping structure may be disposed between the flexible substrate and the piezoelectric sensing structure. In an embodiment, a further amplifying structure is disposed over the first surface of the piezoelectric sensing structure and contacts or does not contact a top region of the first surface.
    Type: Application
    Filed: September 27, 2012
    Publication date: November 21, 2013
    Inventors: Wen-Ching Ko, Kuo-Hua Tseng, Chang-Ho Liou, Chang-Yi Chen
  • Patent number: 8588438
    Abstract: A driving interface device adaptive to a flat speaker is introduced herein. The driving interface device is coupled with an external sound source for receiving sound signals, and boosts voltage levels of the sound signals to drive the thin flat speaker without using an external power source. In one embodiment, an impedance component is provided in the driving interface device for coupling to the external sound source, so as to drive the flat speaker.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: November 19, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Hua Tseng, Chang-Ho Liou, Ming-Daw Chen, Kuan-Wei Chen, Che-Yuan Sun
  • Patent number: 8503702
    Abstract: An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A material of the bonding layer is ethylene-ethyl-acrylate (EEA) or ethylene-vinyl acetate (EVA).
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: August 6, 2013
    Assignees: Industrial Technology Research Institute, National Taiwan University
    Inventors: Che-I Kao, Chih-Kung Lee, Wen-Ching Ko, Chang-Ho Liou, Ing-Yih Leu, Ming-Daw Chen, Yi-Jen Chan, Chien-Kai Tseng
  • Publication number: 20130168643
    Abstract: A light detecting array structure and a light detecting module are provided. The light detecting array structure includes a plurality of first electrodes, a plurality of second electrodes, a first carrier selective layer, a second carrier selective layer, and a light-absorbing active layer. The second electrodes are disposed on one side of the first electrodes. Between the first electrodes and the second electrodes, a first carrier selective layer, a light-absorbing active layer and a second carrier selective layer are disposed. The light detecting module includes the light detecting array structure and a control unit. The control unit is coupled to the first electrodes and second electrodes, selectively provides at least two cross voltages between each of the first electrodes and each of the second electrodes, and reads photocurrents flowing through the first electrodes and second electrodes.
    Type: Application
    Filed: May 17, 2012
    Publication date: July 4, 2013
    Applicants: NATIONAL TSING HUA UNIVERSITY, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yan-Rung Lin, Chang-Ho Liou, Sheng-Fu Horng, Jen-Chun Wang, Yun-Ru Hong, Ming-Kun Lee, Hsin-Fei Meng
  • Publication number: 20130167651
    Abstract: An electrical property measuring apparatus for pressure sensor includes a first plate, a second plate, an object to be measured, an electrical property measuring unit used for measuring the electrical properties of the object, and a fluid supplying system. The second plate is opened or closed relative to the first plate. The object is disposed between the first plate and the second plate. The fluid supplying system connects to a space formed by the first plate and a pressed surface or a space formed by the second plate and a pressed surface. The fluid supplying system provides a fluid to the space such that the fluid presses on the object and the electrical property measuring unit measures the electrical properties of the object. A method of measuring electrical property for pressure sensor is also provided.
    Type: Application
    Filed: March 19, 2012
    Publication date: July 4, 2013
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jyun-Kai Ciou, Yan-Rung Lin, Chang-Ho Liou
  • Patent number: 8447053
    Abstract: A flat speaker apparatus including a driving circuit module, a flat speaker and a thermally conductive connector, and with a heat dissipating structure is introduced. The flat speaker includes a porous electrode and a vibrating film. The porous electrode causes the vibrating film to vibrate according to an audio signal output from the driving circuit module for generating sound. The thermally conductive connector connects the driving circuit module and the flat speaker to conduct heat from the driving module to the flat speaker for dissipation. A method for heat dissipation of the flat speaker is also introduced herein.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: May 21, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Hua Tseng, Chang-Ho Liou, Ming-Daw Chen, Kuan-Wei Chen