Patents by Inventor Chung-Min Lien
Chung-Min Lien 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).
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Patent number: 9733748Abstract: A touch panel is disclosed herein. The touch panel includes a driving line, a gate line, a readout line, and a switching unit. The driving line is configured to transmit a driving signal. The gate line is configured to transmit a scan signal. The readout line forms a mutual capacitance with the gate line, and the mutual capacitance is configured to generate a first sensing signal in response to a driving signal according to a touch operation. The switching unit is electrically coupled to the gate line and the readout line, and configured to be selectively turned on to transmit the first sensing signal to the readout line according to the scan signal.Type: GrantFiled: October 2, 2014Date of Patent: August 15, 2017Assignee: AU OPTRONICS CORPORATIONInventors: Yi-Ru Cheng, Chung-Min Lien, Ya-Ling Hsu, Yueh-Hung Chung
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Patent number: 9547398Abstract: A substrate with touch function includes a plurality of scan lines and at least a touch device disposed thereon. The touch device includes at least a power line, at least a readout line, a light sensing circuit and a voltage divider circuit. The power line and the readout line are disposed on the substrate. The light sensing circuit is electrically coupled to a (N+1)th of the power lines, an Nth of the scan lines and an Nth of the readout lines, wherein N is an integer. The voltage divider circuit has an output terminal and is configured to output a first voltage to the light sensing circuit through the output terminal thereof according to a degree of illumination thereon or a degree of capacitance change. A display using the aforementioned substrate is also provided.Type: GrantFiled: August 11, 2014Date of Patent: January 17, 2017Assignee: AU OPTRONICS CORP.Inventors: Hsin-Yu Pan, Chung-Min Lien, Han-Ming Chen
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Patent number: 9116576Abstract: A photosensitive pixel circuit of a touch module including an output transistor and a light detection unit is provided. The output transistor receives a reference signal and provides a touch voltage controlled by a light detection voltage. The light detection unit is electrically connected to the output transistor, and receives a touch scan signal. The light detection unit detects an intensity of a light according to the touch scan signal so as to correspondingly provide the light detection voltage.Type: GrantFiled: January 24, 2014Date of Patent: August 25, 2015Assignee: Au Optronics CorporationInventors: Chung-Min Lien, Ya-Ling Hsu, Gang-Yi Lin
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Publication number: 20150205431Abstract: A touch panel is disclosed herein. The touch panel includes a driving line, a gate line, a readout line, and a switching unit. The driving line is configured to transmit a driving signal. The gate line is configured to transmit a scan signal. The readout line forms a mutual capacitance with the gate line, and the mutual capacitance is configured to generate a first sensing signal in response to a driving signal according to a touch operation. The switching unit is electrically coupled to the gate line and the readout line, and configured to be selectively turned on to transmit the first sensing signal to the readout line according to the scan signal.Type: ApplicationFiled: October 2, 2014Publication date: July 23, 2015Inventors: Yi-Ru CHENG, Chung-Min LIEN, Ya-Ling HSU, Yueh-Hung CHUNG
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Patent number: 9035916Abstract: An optical touch display panel includes a plurality of light-sensing touch units and a position detecting circuit. Each light-sensing touch unit includes a light-sensing component, a storage capacitor, a signal reading component, and a charging component. The light-sensing component senses a light source to generate a sensing signal. The storage capacitor is connected electrically to the light-sensing component for storing the sensing signal. The signal reading component is connected electrically to the storage capacitor for reading a voltage of the storage capacitor to generate a reading signal. The charging signal is connected electrically to the storage capacitor for charging the storage capacitor to reset an electric charge record of the storage capacitor. The position detecting circuit is connected electrically to the light-sensing touch units for detecting a touch point on the optical touch display panel according to a reading signal output by each of the light-sensing touch units.Type: GrantFiled: February 26, 2013Date of Patent: May 19, 2015Assignee: AU OPTRONICS CORP.Inventors: Chung-Min Lien, Hsin-Yu Pan, Yueh-Hung Chung, Ya-Ling Hsu
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Publication number: 20150085202Abstract: A photosensitive pixel circuit of a touch module including an output transistor and a light detection unit is provided. The output transistor receives a reference signal and provides a touch voltage controlled by a light detection voltage. The light detection unit is electrically connected to the output transistor, and receives a touch scan signal. The light detection unit detects an intensity of a light according to the touch scan signal so as to correspondingly provide the light detection voltage.Type: ApplicationFiled: January 24, 2014Publication date: March 26, 2015Applicant: Au Optronics CorporationInventors: Chung-Min Lien, Ya-Ling Hsu, Gang-Yi Lin
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Publication number: 20150062076Abstract: A substrate with touch function includes a plurality of scan lines and at least a touch device disposed thereon. The touch device includes at least a power line, at least a readout line, a light sensing circuit and a voltage divider circuit. The power line and the readout line are disposed on the substrate. The light sensing circuit is electrically coupled to a (N+1)th of the power lines, an Nth of the scan lines and an Nth of the readout lines, wherein N is an integer. The voltage divider circuit has an output terminal and is configured to output a first voltage to the light sensing circuit through the output terminal thereof according to a degree of illumination thereon or a degree of capacitance change. A display using the aforementioned substrate is also provided.Type: ApplicationFiled: August 11, 2014Publication date: March 5, 2015Inventors: HSIN-YU PAN, CHUNG-MIN LIEN, HAN-MING CHEN
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Publication number: 20140098064Abstract: An optical touch display panel includes a plurality of light-sensing touch units and a position detecting circuit. Each light-sensing touch unit includes a light-sensing component, a storage capacitor, a signal reading component, and a charging component. The light-sensing component senses a light source to generate a sensing signal. The storage capacitor is connected electrically to the light-sensing component for storing the sensing signal. The signal reading component is connected electrically to the storage capacitor for reading a voltage of the storage capacitor to generate a reading signal. The charging signal is connected electrically to the storage capacitor for charging the storage capacitor to reset an electric charge record of the storage capacitor. The position detecting circuit is connected electrically to the light-sensing touch units for detecting a touch point on the optical touch display panel according to a reading signal output by each of the light-sensing touch units.Type: ApplicationFiled: February 26, 2013Publication date: April 10, 2014Applicant: AU OPTRONICS CORP.Inventors: Chung-Min Lien, Hsin-Yu Pan, Yueh-Hung Chung, Ya-Ling Hsu