Patents by Inventor Chia-Hsun Tu
Chia-Hsun Tu 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: 10268298Abstract: A mutual-capacitance touch apparatus and highly sensitive mutual-capacitance touch sensing method thereof, the method includes: providing a touch apparatus including: a plurality of first touch electrodes and a plurality of second touch electrodes, a touch controller including a touch driving signal generator, a touch receiver, and an amplifier with gain larger than zero. The touch controller sequentially or randomly applies a touch driving signal to a selected first touch electrode, and senses a touch sensing signal at a second touch electrode by the touch receiver, and processes the touch sensing signal by the amplifier with gain larger than zero, then outputs the processed touch sensing signal to at least a conductor close to the second touch electrode.Type: GrantFiled: May 7, 2017Date of Patent: April 23, 2019Assignee: SUPERC-TOUCH CORPORATIONInventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin, Chia-Hsun Tu
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Publication number: 20190095683Abstract: A fingerprint sensing structure includes a flexible substrate divided into a fingerprint-sensing region and a non-fingerprint-sensing region. In the non-fingerprint-sensing region, the fingerprint sensing structure includes a plurality of organic insulating layers, a wiring layer having conductive wires and at least one inorganic insulating layer, where the wiring layer is sandwiched between two organic insulating layers to render the portion of the fingerprint sensing structure corresponding to non-fingerprint-sensing region to have bending with curvature radius not larger than 2 mm. In the finger sensing region, the fingerprint sensing structure includes a thin film transistor layer and a sensing electrode layer. The thin film transistor layer includes a plurality of thin film transistors, a plurality of conductive wires respectively along a first direction and a second direction. The sensing electrode layer has a plurality of sensing electrodes to sense surface features of living organism.Type: ApplicationFiled: August 29, 2018Publication date: March 28, 2019Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Publication number: 20190080131Abstract: A curved-surface OLED display device with fingerprint identification includes a substrate, a thin film transistor layer, a pixel electrode layer, an OLED display material layer, a common electrode layer, an encapsulation layer, a curved touch detection and fingerprint detection layer and a curved protective layer. The thin film transistor layer includes plural thin film transistors, plural scan lines, and plural data lines. The pixel electrode layer includes plural pixel electrodes. The curved touch detection and fingerprint detection layer includes plural sense electrodes and plural traces for performing the touch detection operation and fingerprint identification operation. A partial area of the curved touch detection and fingerprint detection layer and the curved protective layer exhibits a curved-surface shape.Type: ApplicationFiled: September 8, 2017Publication date: March 14, 2019Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Publication number: 20190065804Abstract: A fingerprint identification apparatus having a conductive structure includes an insulated casing, a conductive wire, and a fingerprint identification module. The insulated casing has a first surface with a fingerprint detection region and a second surface. The conductive wire has a first wire segment and a second wire segment. The first wire segment forms on the first surface and contacts with the fingerprint detection region. The second wire segment forms on the second surface and electrically connects to the first wire segment. The fingerprint identification module is disposed on the second surface and electrically connected to the second wire segment. Therefore, the conductive structure for fingerprint identification is provided to increase accuracy and security of the fingerprint identification and reduce manufacturing costs.Type: ApplicationFiled: August 28, 2017Publication date: February 28, 2019Inventors: HSIANG-YU LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Publication number: 20190057235Abstract: A biometric identification apparatus having multiple electrode layers includes a sensing electrode layer having a plurality of sensing electrodes, an enhancing electrode layer having at least one enhancing electrode and a capacitance-blocking electrode layer having at least one capacitance-blocking electrode. During sensing of biometric features of living beings skin, a fingerprint sensing circuit applies a capacitance exciting signal to a selected sensing electrode, applies an enhancing signal to at least one enhancing electrode to focus and enhance sensed electric field lines, and applies a capacitance-blocking signal to at least one capacitance-blocking electrode to eliminate influence of ambient stray capacitance to the selected sensing electrode.Type: ApplicationFiled: August 21, 2017Publication date: February 21, 2019Inventors: HSIANG-YU LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Publication number: 20180321777Abstract: A self-capacitance organic light emitting touch display apparatus includes a thin film transistor substrate, a common electrode layer, an organic light emitting material layer, at least a touch electrode layer including a plurality of touch sensing electrodes, a display controller, and a touch controller. During touch sensing, the touch controller sequentially or randomly applies a capacitance exciting signal to a selected touch sensing electrode, and senses a touch sensing signal at the selected touch sensing electrode. The touch controller applies a shielding reflection signal to the common electrode layer or a reference point of the display controller.Type: ApplicationFiled: May 7, 2017Publication date: November 8, 2018Inventors: HSIANG-YU LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Publication number: 20180321762Abstract: A mutual-capacitance touch apparatus and highly sensitive mutual-capacitance touch sensing method thereof, the method includes: providing a touch apparatus including: a plurality of first touch electrodes and a plurality of second touch electrodes, a touch controller including a touch driving signal generator, a touch receiver, and an amplifier with gain larger than zero. The touch controller sequentially or randomly applies a touch driving signal to a selected first touch electrode, and senses a touch sensing signal at a second touch electrode by the touch receiver, and processes the touch sensing signal by the amplifier with gain larger than zero, then outputs the processed touch sensing signal to at least a conductor close to the second touch electrode.Type: ApplicationFiled: May 7, 2017Publication date: November 8, 2018Inventors: HSIANG-YU LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Publication number: 20180321778Abstract: A mutual-capacitance organic light emitting touch display apparatus includes a thin film transistor substrate, a common electrode layer, an organic light emitting material layer, and at least a touch electrode layer, including a plurality of first touch electrodes arranged along a first direction, and a plurality of second touch electrodes arranged along a second direction; a thin film encapsulation layer; a display controller having a display power source, and electrically connected to a thin film transistor, a pixel electrode and the common electrode layer of the thin film transistor substrate; and a touch controller including a touch power source. The touch controller applies a touch driving signal to a selected first touch electrode, and senses a touch sensing signal at a second touch electrode, and outputs the touch sensing signal to the common electrode layer or a reference point of the display controller by a non-inverting amplifier.Type: ApplicationFiled: May 7, 2017Publication date: November 8, 2018Inventors: HSIANG-YU LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Patent number: 10120476Abstract: A self-capacitance organic light emitting touch display apparatus includes a thin film transistor substrate, a common electrode layer, an organic light emitting material layer, at least a touch electrode layer including a plurality of touch sensing electrodes, a display controller, and a touch controller. During touch sensing, the touch controller sequentially or randomly applies a capacitance exciting signal to a selected touch sensing electrode, and senses a touch sensing signal at the selected touch sensing electrode. The touch controller applies a shielding reflection signal to the common electrode layer or a reference point of the display controller.Type: GrantFiled: May 7, 2017Date of Patent: November 6, 2018Assignee: SUPERC-TOUCH CORPORATIONInventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin, Chia-Hsun Tu
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Publication number: 20180307353Abstract: An in-cell OLED touch display panel structure includes a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of first electrodes arranged along a first direction, a plurality of isolation electrodes, and a plurality of second electrode connection lines. The second electrode layer includes a plurality of second electrodes arranged along a second direction. Each of the second electrodes extends to one edge of the in-cell OLED touch display panel structure through a corresponding second electrode connection line. The first electrode layer and the second electrode layer are both disposed at one side of a common electrode layer opposite to an OLED layer.Type: ApplicationFiled: April 19, 2017Publication date: October 25, 2018Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Publication number: 20180308902Abstract: An OLED touch display device includes a TFT substrate and a touch electrode layer. The TFT substrate has a surface formed thereon plural switch devices, plural second touch traces and plural conductive pads. Each switch device has plural touch TFT switches. The touch electrode layer includes plural first touch traces and plural touch sense electrodes divided into plural groups each having at least one touch sense electrode, and each group is corresponding to one of the conductive pads. The touch sense electrodes are corresponding to the first touch traces one by on. Each touch sense electrode is connected to the corresponding first touch trace. Each first touch trace is connected to one touch TFT switch of the corresponding switch device, and each switch device is connected to one second touch trace and the corresponding conductive pad.Type: ApplicationFiled: April 19, 2017Publication date: October 25, 2018Inventors: Hsiang-Yu LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Patent number: 10108285Abstract: An in-cell OLED touch display panel structure includes a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of first electrodes arranged along a first direction, a plurality of isolation electrodes, and a plurality of second electrode connection lines. The second electrode layer includes a plurality of second electrodes arranged along a second direction. Each of the second electrodes extends to one edge of the in-cell OLED touch display panel structure through a corresponding second electrode connection line. The first electrode layer and the second electrode layer are both disposed at one side of a common electrode layer opposite to an OLED layer.Type: GrantFiled: April 19, 2017Date of Patent: October 23, 2018Assignee: SUPERC-TOUCH CORPORATIONInventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin, Chia-Hsun Tu
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Publication number: 20180292930Abstract: An organic light emitting display apparatus with force and touch sensing includes a touch protection layer, a touch electrode layer, a resilient material layer, a force electrode layer, a thin-film-encapsulation layer, a common electrode layer, an organic light emitting material layer and a thin film transistor substrate from top to bottom. The thin film transistor substrate includes a pixel electrode layer, a thin film transistor layer and a transistor substrate from top to bottom. The organic light emitting display apparatus further includes a display controller to drive the organic light emitting material layer and a force touch controller for sensing touch position on the touch electrode layer and force exerted on the force electrode layer.Type: ApplicationFiled: April 6, 2017Publication date: October 11, 2018Inventors: HSIANG-YU LEE, Shang CHIN, Ping-Tsun LIN, Chia-Hsun TU
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Patent number: 9977526Abstract: A display device includes a TFT substrate layer, a display material layer, a common electrode layer, a touch electrode layer, a display control circuit and a touch control circuit. The common electrode layer has a common electrode. The touch electrode layer includes plural first touch electrodes and plural second touch electrodes. The display control circuit includes a display power. The touch control circuit includes a touch power independent to the display power. The touch control circuit sequentially or randomly couples a touch stimulation signal to a selected first touch electrode or receives a touch sense signal from a selected second touch electrode. The touch sense signal is driven and coupled to the common electrode layer or a node of the display control circuit for performing a touch detection operation in which there is no current loop between the display control circuit and the touch control circuit.Type: GrantFiled: April 19, 2017Date of Patent: May 22, 2018Assignee: SUPER-TOUCH CORPORATIONInventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin, Chia-Hsun Tu
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Publication number: 20170360170Abstract: A foldable display device includes a shell. The shell has an expanding state and a folding state. A first direction and a second direction are defined to be orthogonal. When the shell is at the expanding state, the shell has a first length L1 along the first direction and a second length L2 along the second direction. The ratio of the first length L1 to the second length L2 is between 1.3 and 2. When the shell is at the folding state, the shell has a third length L3 along the second direction and a fourth length L4 along the first direction. The ratio of the third length L3 to the fourth length L4 is also between 1.3 and 2.Type: ApplicationFiled: September 4, 2017Publication date: December 21, 2017Inventors: Po-Yang Lin, Chia-Hsun Tu, Keh-Long Hwu
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Patent number: 9844251Abstract: A foldable display device includes a shell. The shell has an expanding state and a folding state. A first direction and a second direction are defined to be orthogonal. When the shell is at the expanding state, the shell has a first length L1 along the first direction and a second length L2 along the second direction. The ratio of the first length L1 to the second length L2 is between 1.3 and 2. When the shell is at the folding state, the shell has a third length L3 along the second direction and a fourth length L4 along the first direction. The ratio of the third length L3 to the fourth length L4 is also between 1.3 and 2.Type: GrantFiled: October 21, 2014Date of Patent: December 19, 2017Assignee: AU OPTRONICS CORP.Inventors: Po-Yang Lin, Chia-Hsun Tu, Keh-Long Hwu
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Patent number: 9513502Abstract: A flexible display has a display layer, a thin-film transistor (TFT) layer and a flexible substrate. The display layer has a plurality of display units. The TFT layer has a plurality of pixel control circuits and a plurality of sensing circuits. The pixel control circuits are configured to control operations of the plurality of display units. Each of the sensing circuits is configured to generate a deformation signal according to deformation of the flexible display. The flexible substrate and the TFT layer are stacked.Type: GrantFiled: September 30, 2014Date of Patent: December 6, 2016Assignee: AU OPTRONICS CORP.Inventors: Ji-Feng Chen, Chia-Hsun Tu, Po-Yang Lin, Chen-Shuo Huang, Keh-Long Hwu
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Publication number: 20150373863Abstract: A foldable display device includes a shell. The shell has an expanding state and a folding state. A first direction and a second direction are defined to be orthogonal. When the shell is at the expanding state, the shell has a first length L1 along the first direction and a second length L2 along the second direction. The ratio of the first length L1 to the second length L2 is between 1.3 and 2. When the shell is at the folding state, the shell has a third length L3 along the second direction and a fourth length L4 along the first direction. The ratio of the third length L3 to the fourth length L4 is also between 1.3 and 2.Type: ApplicationFiled: October 21, 2014Publication date: December 24, 2015Inventors: Po-Yang Lin, Chia-Hsun Tu, Keh-Long Hwu
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Publication number: 20150311409Abstract: A display panel and a display mother board including the display panel are provided. The display panel includes a substrate, a pixel array, at least one driver circuit, an insulating layer, and a metal wall. The substrate includes a display region and a non-display region, and the non-display region has a driver circuit region and an outer region disposed outside of the driver circuit region. The pixel array and the driver circuit are disposed in the display region and the driver circuit region respectively. The insulating layer is disposed on the substrate and in the non-display region. The metal wall is disposed on the insulating layer and in the outer region, wherein a Poisson's ratio of the metal wall is greater than or equal to 0.32.Type: ApplicationFiled: August 28, 2014Publication date: October 29, 2015Inventors: Chen-Shuo Huang, Chia-Hsun Tu, Cheng-Liang Wang, Shih-Hsing Hung, Meng-Ting Lee
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Publication number: 20150091016Abstract: A flexible display has a display layer, a thin-film transistor (TFT) layer and a flexible substrate. The display layer has a plurality of display units. The TFT layer has a plurality of pixel control circuits and a plurality of sensing circuits. The pixel control circuits are configured to control operations of the plurality of display units. Each of the sensing circuits is configured to generate a deformation signal according to deformation of the flexible display. The flexible substrate and the TFT layer are stacked.Type: ApplicationFiled: September 30, 2014Publication date: April 2, 2015Inventors: Ji-Feng Chen, Chia-Hsun Tu, Po-Yang Lin