Patents by Inventor Kung-Chen Kuo
Kung-Chen Kuo 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: 11145241Abstract: An electronic device including a pixel is provided. The pixel receives a data signal and includes a driving transistor, an emitting circuit, and a reset circuit. A first source/drain of the driving transistor receives a first operation voltage. The emitting circuit is coupled to the driving transistor. The reset circuit is coupled to the first gate to set the voltage of the first gate. In a reset period, the voltage of the first gate is equal to a first predetermined voltage. In a write period, the voltage of the first gate is equal to a first difference between the first operation voltage and the threshold voltage of the driving transistor. In a display period, the voltage of the first gate is equal to the sum of the first difference and a second difference between the reference voltage and the data signal.Type: GrantFiled: August 8, 2019Date of Patent: October 12, 2021Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
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Patent number: 11049439Abstract: A display device includes a pixel array, multiple data lines and multiple gate lines. The pixel array includes multiple pixels. At least one of the pixels includes a first sub-pixel and a second sub-pixel. The first sub-pixel includes a pixel circuit, which includes a first light-emitting element and a first driving circuit. The first driving circuit is coupled to and configured to control the first light-emitting element. The first driving circuit includes multiple TFTs. The second sub-pixel includes a pixel circuit, which includes a second light-emitting element and a second driving circuit. The second driving circuit is coupled to and configured to control the second light-emitting element. The second driving circuit includes multiple TFTs. The number of TFTs of the first driving circuit and the number of TFTs of the second driving circuit are different.Type: GrantFiled: March 18, 2019Date of Patent: June 29, 2021Assignee: INNOLUX CORPORATIONInventors: Min-Hsin Lo, Ker-Yih Kao, Cheng-Hsu Chou, Kung-Chen Kuo, Hung-Sheng Liao
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Publication number: 20210193689Abstract: An electrical connection structure is provided. The electrical connection structure includes a through hole, a first pad, a second pad and a conductive bridge. The through hole has a first end and a second end. The first pad at least partially surrounds the first end of the through hole and is electrically connected to a first circuit. The second pad is located at the second end of the through hole and is electrically connected to a second circuit. The conductive bridge is connected to the first pad and second pad through the through hole, thereby making the first and second circuits electrically connected to each other.Type: ApplicationFiled: December 11, 2020Publication date: June 24, 2021Inventors: Shun-Yuan HU, Chin-Lung TING, Li-Wei MAO, Ming-Chun TSENG, Kung-Chen KUO, Yi-Hua HSU, Ker-Yih KAO
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Publication number: 20210193790Abstract: A light-emitting device is provided. The light-emitting device includes a circuit substrate, an array substrate, a plurality of light-emitting units and a driver. The circuit substrate has a top surface and a bottom surface. A top circuit is disposed on the top surface. A bottom circuit is disposed on the bottom surface and electrically connected to the top circuit. The array substrate is disposed on the top surface of the circuit substrate and electrically connected to the top circuit. The light-emitting units are disposed on the array substrate. The driver is disposed on the bottom surface of the circuit substrate and electrically connected to the bottom circuit.Type: ApplicationFiled: December 11, 2020Publication date: June 24, 2021Inventors: Shun-Yuan HU, Chin-Lung TING, Li-Wei MAO, Ming-Chun TSENG, Kung-Chen KUO, Yi-Hua HSU, Ker-Yih KAO
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Publication number: 20210183833Abstract: An electronic device is provided. The electronic device includes a plurality of light-emitting elements and a first thin-film transistor array. The first thin-film transistor array is used to drive at least a portion of the plurality of light-emitting elements, and the plurality of light-emitting elements and the first thin-film transistor array are disposed on different substrates.Type: ApplicationFiled: November 26, 2020Publication date: June 17, 2021Inventors: Shun-Yuan HU, Chin-Lung TING, Ker-Yih KAO, Li-Wei MAO, Kung-Chen KUO, Yi-Hua HSU, Ming-Chun TSENG
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Publication number: 20210136895Abstract: A display device is provided. The display device includes a plurality of light-emitting modules. The at least one of the plurality of light-emitting modules includes a light-emitting unit group. The light-emitting unit group includes a plurality of light-emitting units coupled to each other in series. The first current source is coupled to the light-emitting unit group, and configured to provide a first current to drive the plurality of light-emitting units. The bypass unit includes a plurality of first switch units. The bypass unit is coupled to the light-emitting unit group in parallel. The plurality of first switch units are coupled to the plurality of light-emitting units in parallel.Type: ApplicationFiled: September 29, 2020Publication date: May 6, 2021Applicant: Innolux CorporationInventors: Ming Chun Tseng, Chin-Lung Ting, Ker-Yih Kao, Kung-Chen Kuo, Lien-Hsiang Chen
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Publication number: 20210118362Abstract: A driving circuit includes a first transistor having a first terminal, a second terminal and a control terminal; a second transistor having a first terminal connected to the second terminal of the first transistor and a second terminal connected to an organic light-emitting diode; a third transistor having a first terminal connected to the control terminal of the first transistor; a fourth transistor having a first terminal connected to the first terminal of the first transistor; and a fifth transistor having a first terminal connected to the second terminal of the second transistor. The first transistor, the second transistor and the fourth transistor are low temperature poly-silicon transistors, and the third transistor is an oxide semiconductor transistor.Type: ApplicationFiled: December 23, 2020Publication date: April 22, 2021Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Ming-Chun TSENG, Cheng-Hsu CHOU, Kuan-Feng LEE
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Patent number: 10984709Abstract: A display panel has a display area and a peripheral area disposed adjacent to the display area. The display panel includes a pixel array, a plurality of gate lines, a plurality of first wirings, and a first gate driving circuit. The pixel array is disposed in the display area. The gate lines are coupled to the pixel array. The plurality of first wirings are coupled to the pixel array. The first gate driving circuit is disposed in the peripheral area and coupled to the pixel array via at least a portion of the plurality of first wirings and at least a portion of the plurality of gate lines. In the display area, the plurality of gate lines extend along a first direction and the plurality of first wirings extend along a second direction, and the first direction and the second direction are different.Type: GrantFiled: April 12, 2019Date of Patent: April 20, 2021Assignee: INNOLUX CORPORATIONInventors: Min-Hsin Lo, Kung-Chen Kuo, Hung-Sheng Liao, Yi-Hua Hsu
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Publication number: 20210056900Abstract: A light emitting apparatus and a display device are provided. The light emitting apparatus includes a light emitting unit and a pixel circuit. The pixel circuit is electrically connected to the light emitting unit. The pixel circuit includes a first driving transistor and a second driving transistor. The first driving transistor and the second driving transistor are configured to provide a first driving current and a second driving current to the light emitting unit at the same time, respectively. The first driving transistor includes a first gate terminal. The second driving transistor includes a second gate terminal. The first gate terminal and the second gate terminal are electrically connected to different nodes. The display device includes the light emitting apparatus.Type: ApplicationFiled: July 29, 2020Publication date: February 25, 2021Applicant: Innolux CorporationInventors: Kung-Chen Kuo, Chin-Lung Ting, Ker-Yih Kao, Ming Chun Tseng, Lien-Hsiang Chen
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Patent number: 10902775Abstract: A driving circuit includes a current drive unit and a reset compensation and light emitting control circuit. The current drive unit includes a first transistor and a second transistor. The first transistor and the second transistor are connected in series, wherein the first transistor and the second transistor include a silicon semiconductor layer. The reset compensation and light emitting control circuit is coupled to the current drive unit. The reset compensation and light emitting control circuit includes a third transistor connected to a control terminal of the first transistor, wherein the third transistor is an oxide semiconductor transistor.Type: GrantFiled: May 14, 2019Date of Patent: January 26, 2021Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng, Cheng-Hsu Chou, Kuan-Feng Lee
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Patent number: 10885830Abstract: An electronic device includes a substrate and a plurality of light-emitting driving circuits. The plurality of light-emitting driving circuits are disposed on the substrate. Each of the plurality of light-emitting driving circuits includes a switch component and a pulse modulation unit. The switch component has a first terminal and a second terminal. The first terminal of the switch component is coupled to a comparison signal line. The pulse modulation unit has a first terminal and a second terminal. The first terminal of the pulse modulation unit is coupled to a data line, and the second terminal of the pulse modulation unit is coupled to the second terminal of the switch component.Type: GrantFiled: June 24, 2019Date of Patent: January 5, 2021Assignee: InnoLux CorporationInventors: Ming-Chun Tseng, Chin-Lung Ting, Kung-Chen Kuo, Ker-Yih Kao, Chung-Kuang Wei, Chih-Yung Hsieh, Li-Wei Mao, Ho-Tien Chen, Cheng-Fu Wen
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Publication number: 20200411560Abstract: The present disclosure provides an electronic device including a substrate, a common electrode, and a plurality of pixels. The common electrode is disposed on the substrate. The pixels are disposed on the substrate, and at least one of the pixels includes a thin film transistor, a first electrode, a second electrode, and an auxiliary electrode. The first electrode is electrically connected to the thin film transistor. The auxiliary electrode is electrically connected to the common electrode and electrically isolated from the first electrode, and the first electrode and the auxiliary electrode have a minimum distance less than a minimum distance between the first electrode and the common electrode.Type: ApplicationFiled: May 28, 2020Publication date: December 31, 2020Inventors: Chi-Lun Kao, Ker-Yih Kao, Ming-Chun Tseng, Kung-Chen Kuo
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Publication number: 20200381500Abstract: A display device includes: a substrate; a data line disposed on the substrate; an another data line disposed on the substrate and adjacent to the data line; a first light emitting diode including a first electrode; and a second light emitting diode including an another first electrode, wherein the first electrode partially overlaps the data line and the another first electrode partially overlaps the another data line.Type: ApplicationFiled: August 18, 2020Publication date: December 3, 2020Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Sheng-Kai HSU, Hsia-Ching CHU, Mei-Chun SHIH
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Patent number: 10790343Abstract: A display device is disclosed, which includes: a first substrate; a first data line disposed on the first substrate; a first electrode disposed on the first substrate; and a first pixel defining layer disposed on the first electrode, wherein the first pixel defining layer exposes a part of the first electrode to define a first light emitting region, wherein, in a normal direction view of the first substrate, the first light emitting region partially overlaps the first data line.Type: GrantFiled: February 1, 2019Date of Patent: September 29, 2020Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Sheng-Kai Hsu, Hsia-Ching Chu, Mei-Chun Shih
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Patent number: 10665170Abstract: A driving device includes a pixel array, a controller and a driver. The driver has a plurality of driving devices. Each of the driving devices includes a plurality of transistors and at least one capacitor to drive a light emitting device. By controlling the timing scheme of control signals applied to the driving device, the voltage for driving the light emitting device would not be affected by threshold voltages of the transistors.Type: GrantFiled: January 21, 2019Date of Patent: May 26, 2020Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
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Publication number: 20200090579Abstract: An electronic device including a pixel is provided. The pixel receives a data signal and includes a driving transistor, an emitting circuit, and a reset circuit. A first source/drain of the driving transistor receives a first operation voltage. The emitting circuit is coupled to the driving transistor. The reset circuit is coupled to the first gate to set the voltage of the first gate. In a reset period, the voltage of the first gate is equal to a first predetermined voltage. In a write period, the voltage of the first gate is equal to a first difference between the first operation voltage and the threshold voltage of the driving transistor. In a display period, the voltage of the first gate is equal to the sum of the first difference and a second difference between the reference voltage and the data signal.Type: ApplicationFiled: August 8, 2019Publication date: March 19, 2020Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Ming-Chun TSENG
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Patent number: 10559265Abstract: A display includes a substrate having a driver circuit with hybrid devices. The driver circuit includes first to fourth transistors. The first transistor includes a first control end connected to a clock signal, a first end connected to a high voltage, and a second end connected to a first node. The second transistor comprises metal oxide semiconductor, and includes a second control end connected to an input signal, a third end connected to a second node, and a fourth end connected to the first node. The third transistor comprises polysilicon semiconductor, and includes a third control end connected to the first node, and a fifth end connected to the high voltage, and a sixth end connected to an output voltage. The fourth transistor includes a fourth control end connected to the input signal, a seventh end connected to the third node, and an eighth end connected to the output voltage.Type: GrantFiled: May 29, 2019Date of Patent: February 11, 2020Assignee: INNOLUX CORPORATIONInventors: Kuan-Feng Lee, Yu-Sheng Tsai, Kung-Chen Kuo
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Patent number: 10553152Abstract: A pixel structure including a data transistor, a switching transistor, a driving transistor, a compensation transistor, an illumination transistor, an organic light-emitting diode (OLED) and a first capacitor is provided. The data transistor transmits a data signal to a node according to a scan signal. The switching transistor provides a first reference signal to the node according to a first illumination signal. The driving transistor includes a gate, a source receiving a first operation voltage and a drain. The compensation transistor is coupled between the gate and the drain and receives a control signal. The illumination transistor receives a second illumination signal and is coupled to the drain. The OLED includes an anode coupled to the illumination transistor and a cathode receiving a second operation voltage. The first capacitor is coupled between the node and the gate.Type: GrantFiled: August 23, 2016Date of Patent: February 4, 2020Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
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Publication number: 20200035145Abstract: An electronic device includes a substrate and a plurality of light-emitting driving circuits. The plurality of light-emitting driving circuits are disposed on the substrate. Each of the plurality of light-emitting driving circuits includes a switch component and a pulse modulation unit. The switch component has a first terminal and a second terminal. The first terminal of the switch component is coupled to a comparison signal line. The pulse modulation unit has a first terminal and a second terminal. The first terminal of the pulse modulation unit is coupled to a data line, and the second terminal of the pulse modulation unit is coupled to the second terminal of the switch component.Type: ApplicationFiled: June 24, 2019Publication date: January 30, 2020Inventors: Ming-Chun Tseng, Chin-Lung Ting, Kung-Chen Kuo, Ker-Yih Kao, Chung-Kuang Wei, Chih-Yung Hsieh, Li-Wei Mao, Ho-Tien Chen, Cheng-Fu Wen
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Publication number: 20190333977Abstract: A display panel has a display area and a peripheral area disposed adjacent to the display area. The display panel includes a pixel array, a plurality of gate lines, a plurality of first wirings, and a first gate driving circuit. The pixel array is disposed in the display area. The gate lines are coupled to the pixel array. The plurality of first wirings are coupled to the pixel array. The first gate driving circuit is disposed in the peripheral area and coupled to the pixel array via at least a portion of the plurality of first wirings and at least a portion of the plurality of gate lines. In the display area, the plurality of gate lines extend along a first direction and the plurality of first wirings extend along a second direction, and the first direction and the second direction are different.Type: ApplicationFiled: April 12, 2019Publication date: October 31, 2019Inventors: Min-Hsin LO, Kung-Chen KUO, Hung-Sheng LIAO, Yi-Hua HSU