Patents by Inventor Lien-Hsiang CHEN

Lien-Hsiang CHEN 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: 11330689
    Abstract: 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: Grant
    Filed: September 29, 2020
    Date of Patent: May 10, 2022
    Assignee: Innolux Corporation
    Inventors: Ming Chun Tseng, Chin-Lung Ting, Ker-Yih Kao, Kung-Chen Kuo, Lien-Hsiang Chen
  • Patent number: 11322086
    Abstract: 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: Grant
    Filed: July 29, 2020
    Date of Patent: May 3, 2022
    Assignee: Innolux Corporation
    Inventors: Kung-Chen Kuo, Chin-Lung Ting, Ker-Yih Kao, Ming Chun Tseng, Lien-Hsiang Chen
  • Publication number: 20220114952
    Abstract: A driving circuit for driving a light emitting unit is provided. The driving circuit includes a driving transistor, a switch transistor, an emitting transistor, a first capacitor and a first compensation transistor. The switch transistor is coupled to the driving transistor. The emitting transistor is coupled between the light emitting unit and the driving transistor. The first capacitor is coupled to the driving transistor. The first compensation transistor is coupled to the first capacitor. A first end of the first compensation transistor and a first end of the emitting transistor receive same signal.
    Type: Application
    Filed: September 14, 2021
    Publication date: April 14, 2022
    Applicant: Innolux Corporation
    Inventors: Ming Chun Tseng, Chi Lun Kao, Lien-Hsiang Chen, Chi Lun Kao
  • Patent number: 11145241
    Abstract: 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: Grant
    Filed: August 8, 2019
    Date of Patent: October 12, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
  • Publication number: 20210136895
    Abstract: 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: Application
    Filed: September 29, 2020
    Publication date: May 6, 2021
    Applicant: Innolux Corporation
    Inventors: Ming Chun Tseng, Chin-Lung Ting, Ker-Yih Kao, Kung-Chen Kuo, Lien-Hsiang Chen
  • Publication number: 20210118362
    Abstract: 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: Application
    Filed: December 23, 2020
    Publication date: April 22, 2021
    Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Ming-Chun TSENG, Cheng-Hsu CHOU, Kuan-Feng LEE
  • Publication number: 20210056900
    Abstract: 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: Application
    Filed: July 29, 2020
    Publication date: February 25, 2021
    Applicant: Innolux Corporation
    Inventors: Kung-Chen Kuo, Chin-Lung Ting, Ker-Yih Kao, Ming Chun Tseng, Lien-Hsiang Chen
  • Patent number: 10902775
    Abstract: 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: Grant
    Filed: May 14, 2019
    Date of Patent: January 26, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng, Cheng-Hsu Chou, Kuan-Feng Lee
  • Publication number: 20200381500
    Abstract: 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: Application
    Filed: August 18, 2020
    Publication date: December 3, 2020
    Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Sheng-Kai HSU, Hsia-Ching CHU, Mei-Chun SHIH
  • Patent number: 10790343
    Abstract: 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: Grant
    Filed: February 1, 2019
    Date of Patent: September 29, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Sheng-Kai Hsu, Hsia-Ching Chu, Mei-Chun Shih
  • Patent number: 10665170
    Abstract: 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: Grant
    Filed: January 21, 2019
    Date of Patent: May 26, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
  • Publication number: 20200090579
    Abstract: 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: Application
    Filed: August 8, 2019
    Publication date: March 19, 2020
    Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Ming-Chun TSENG
  • Patent number: 10553152
    Abstract: 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: Grant
    Filed: August 23, 2016
    Date of Patent: February 4, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
  • Publication number: 20190266949
    Abstract: 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: Application
    Filed: May 14, 2019
    Publication date: August 29, 2019
    Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Ming-Chun TSENG, Cheng-Hsu CHOU, Kuan-Feng LEE
  • Publication number: 20190259785
    Abstract: A display includes a pixel circuit. The pixel circuit includes a light emitting diode, a first transistor, a second transistor and a third transistor. The first transistor includes a first semiconductor layer. The first transistor has a first control terminal, a second terminal, and a third terminal electrically connected to the light emitting diode. The second transistor includes a second semiconductor layer, and is electrically connected to the third terminal. The third transistor is electrically connected to the first control terminal. A material of the first semiconductor layer is different from a material of the second semiconductor layer.
    Type: Application
    Filed: May 3, 2019
    Publication date: August 22, 2019
    Inventors: Kuanfeng LEE, Kung-Chen KUO, Lien-Hsiang CHEN, Yu-Sheng TSAI
  • Patent number: 10332446
    Abstract: 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: Grant
    Filed: November 30, 2016
    Date of Patent: June 25, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng, Cheng-Hsu Chou, Kuan-Feng Lee
  • Publication number: 20190165070
    Abstract: 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: Application
    Filed: February 1, 2019
    Publication date: May 30, 2019
    Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Sheng-Kai HSU, Hsia-Ching CHU, Mei-Chun SHIH
  • Publication number: 20190156758
    Abstract: 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: Application
    Filed: January 21, 2019
    Publication date: May 23, 2019
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
  • Patent number: 10242624
    Abstract: 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: Grant
    Filed: August 1, 2016
    Date of Patent: March 26, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
  • Patent number: 10236329
    Abstract: A display device is disclosed, which includes: a first substrate with a data line disposed thereon, wherein the data line extends along a data line-extension-direction; and plural pixel units disposed on the first substrate and each of the plural pixel units comprising: a transistor disposed on the first substrate; an insulating layer disposed on the transistor and including a via hole; a first electrode disposed on the insulating layer and electrically connecting to the transistor; and a pixel defining layer disposed on the first electrode and exposing partial first electrode to form a light emitting region. Herein, in a first pixel unit of the pixel units, an extension direction of a connecting line defined by a minimum distance between a first outline of the via hole and a second outline of the light emitting region is not perpendicular and not parallel to the data-line-extension direction.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: March 19, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Sheng-Kai Hsu, Hsia-Ching Chu, Mei-Chun Shih