公开(公告)号：US11881171B2

公开(公告)日：2024-01-23

申请号：US17984216

申请日：2022-11-09

Applicant: Innolux Corporation

Inventor： Ming-Chun Tseng ,  Kung-Chen Kuo ,  Lien-Hsiang Chen ,  Yong-Zhi Liu ,  Po-Syun Chen

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0833

Abstract: An electronic device including a substrate and a pixel circuit is provided. The substrate includes an active area and a peripheral area. The peripheral area is adjacent to the active area. The pixel circuit is disposed in the active area on the substrate. The pixel circuit includes an amplifier circuit and a tunable element. The amplifier circuit includes a non-inverting input terminal, an inverting input terminal, and an output terminal. The output terminal is electrically connected to the inverting input terminal, so that the amplifier circuit is a negative feedback circuit. The tunable element is electrically connected to the output terminal of the amplifier circuit.

公开(公告)号：US20190156758A1

公开(公告)日：2019-05-23

申请号：US16252910

申请日：2019-01-21

Applicant: InnoLux Corporation

Inventor： Lien-Hsiang Chen ,  Kung-Chen Kuo ,  Ming-Chun Tseng

IPC: G09G3/3258 ,  G09G3/3291

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.

公开(公告)号：US12010881B2

公开(公告)日：2024-06-11

申请号：US18209537

申请日：2023-06-14

Applicant: InnoLux Corporation

Inventor： Lien-Hsiang Chen ,  Kung-Chen Kuo ,  Sheng-Kai Hsu ,  Hsia-Ching Chu ,  Mei-Chun Shih

IPC: H10K59/124 ,  H01L29/49 ,  H10K50/80 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123 ,  H10K71/00

CPC classification number: H10K59/124 ,  H01L29/4908 ,  H10K50/80 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123 ,  H10K71/00

Abstract: A display device includes: a substrate; a metal layer disposed on the substrate; an insulating layer disposed on the metal layer; and a first light emitting diode including a first electrode disposed on the metal layer, wherein a via hole passes through the insulating layer, the first electrode electrically connects to the metal layer through the via hole, and an outline of the via hole includes an arc edge.

公开(公告)号：US11322086B2

公开(公告)日：2022-05-03

申请号：US16941549

申请日：2020-07-29

Applicant: Innolux Corporation

Inventor： Kung-Chen Kuo ,  Chin-Lung Ting ,  Ker-Yih Kao ,  Ming Chun Tseng ,  Lien-Hsiang Chen

IPC: G09G3/3233

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.

公开(公告)号：US09230483B2

公开(公告)日：2016-01-05

申请号：US14260341

申请日：2014-04-24

Applicant: InnoLux Corporation

Inventor： Ming Chun Tseng ,  Yi Hua Hsu ,  Kung-Chen Kuo ,  Lien-Hsiang Chen

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3241 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0243 ,  G09G2310/0251

Abstract: A pixel circuit includes an OLED, a driving transistor, first and second transistors, a storage capacitor and a coupling capacitor. The OLED includes an anode and a cathode connected to a first voltage source. The driving transistor includes a first node connected to a second voltage source, a second node, and a third node connected to the anode. The first transistor includes first, second and third terminals connected to a data driving line, a first control signal source, and the second node, respectively. The second transistor includes a first terminal, a second terminal connected to a second control signal source, and a third terminal connected to the anode and the third node. The storage capacitor includes first and second terminals connected to a third voltage source and the second transistor, respectively. The coupling capacitor includes first and second terminals connected to the second transistor and the second node, respectively.

Abstract translation: 像素电路包括OLED，驱动晶体管，第一和第二晶体管，存储电容器和耦合电容器。 OLED包括连接到第一电压源的阳极和阴极。 驱动晶体管包括连接到第二电压源的第一节点，第二节点和连接到阳极的第三节点。 第一晶体管包括分别连接到数据驱动线的第一，第二和第三端子，第一控制信号源和第二节点。 第二晶体管包括第一端子，连接到第二控制信号源的第二端子和连接到阳极和第三节点的第三端子。 存储电容器包括分别连接到第三电压源和第二晶体管的第一和第二端子。 耦合电容器包括分别连接到第二晶体管和第二节点的第一和第二端子。

公开(公告)号：US20240388277A1

公开(公告)日：2024-11-21

申请号：US18632231

申请日：2024-04-10

Applicant: Innolux Corporation

Inventor： Ming-Chun Tseng ,  Kung-Chen Kuo ,  Lien-Hsiang Chen ,  Yong-Zhi Liu ,  Po-Syun Chen

IPC: H03K3/011 ,  G09G3/20 ,  H01Q23/00

Abstract: An electronic circuit is provided. The electronic circuit includes an electronic element, a driving transistor, a first emitting transistor, and at least one capacitor. A first terminal of the driving transistor is coupled to a power voltage. The power voltage is used to drive the electronic element via the driving transistor. A first terminal of the first emitting transistor is coupled to a second terminal of the driving transistor. A second terminal of the first emitting transistor is coupled to the electronic element. A first terminal of the at least one capacitor is coupled to a gate terminal of the driving transistor. When the electronic element is driven, a second terminal of the at least one capacitor receives the power voltage.

公开(公告)号：US11887537B2

公开(公告)日：2024-01-30

申请号：US17884701

申请日：2022-08-10

Applicant: InnoLux Corporation

Inventor： Lien-Hsiang Chen ,  Kung-Chen Kuo ,  Ming-Chun Tseng ,  Cheng-Hsu Chou ,  Kuan-Feng Lee

IPC: G09G3/3233 ,  H01L27/12 ,  H10K59/121

CPC classification number: G09G3/3233 ,  H01L27/1222 ,  H01L27/1225 ,  H10K59/1213 ,  G09G2300/043 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/045 ,  G09G2330/021

Abstract: A driving circuit includes a first transistor, a second transistor and a third transistor. The first transistor has a first terminal connected to a first voltage level, a second terminal, and a third terminal. The second transistor has a first terminal connected to the second terminal of the first transistor, a second terminal connected to a second voltage level, and a third terminal connected to the third terminal of the first transistor. The third transistor has a first terminal connected to the first terminal of the second transistor. The first transistor and the second transistor are low temperature poly-silicon transistors, and the third transistor is an oxide semiconductor transistor.

公开(公告)号：US11842676B2

公开(公告)日：2023-12-12

申请号：US17985924

申请日：2022-11-14

Applicant: Innolux Corporation

Inventor： Yong-Zhi Liu ,  Ming-Chun Tseng ,  Kung-Chen Kuo ,  Lien-Hsiang Chen ,  Po-Syun Chen

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/061 ,  G09G2310/08

Abstract: An electronic device is provided. The electronic device includes a detection circuit. The detection circuit includes a programming detection circuit, a light-emitting detection circuit and a determining circuit. The programming detection circuit receives a scan signal, a reset signal and a light-emitting enable signal for a driving circuit of a pixel unit, and provides a first detection signal in a first stage according to the scan signal, the reset signal and the light-emitting enable signal. The light-emitting detection circuit receives the scan signal, the reset signal and the light-emitting enable signal, and provides a second detection signal in a second stage according to the scan signal, the reset signal and the light-emitting enable signal. The determining circuit determines whether to output the light-emitting enable signal to the driving circuit according to the first detection signal and the second detection signal.

公开(公告)号：US20230186852A1

公开(公告)日：2023-06-15

申请号：US17984216

申请日：2022-11-09

Applicant: Innolux Corporation

Inventor： Ming-Chun Tseng ,  Kung-Chen Kuo ,  Lien-Hsiang Chen ,  Yong-Zhi Liu ,  Po-Syun Chen

IPC: G09G3/3233

CPC classification number: G09G3/3233

Abstract: An electronic device including a substrate and a pixel circuit is provided. The substrate includes an active area and a peripheral area. The peripheral area is adjacent to the active area. The pixel circuit is disposed in the active area on the substrate. The pixel circuit includes an amplifier circuit and a tunable element. The amplifier circuit includes a non-inverting input terminal, an inverting input terminal, and an output terminal. The output terminal is electrically connected to the inverting input terminal, so that the amplifier circuit is a negative feedback circuit. The tunable element is electrically connected to the output terminal of the amplifier circuit.

公开(公告)号：US20230066908A1

公开(公告)日：2023-03-02

申请号：US17863418

申请日：2022-07-13

Applicant: Innolux Corporation

Inventor： Ming-Chun Tseng ,  Kung-Chen Kuo ,  Lien-Hsiang Chen ,  Yong-Zhi Liu

IPC: H01L27/02

Abstract: An electronic device is provided. The electronic device includes a driving transistor, a semiconductor unit and an electrostatic discharge protection (EDP) circuit. The semiconductor unit has a first terminal coupled to a first terminal of the driving transistor. The EDP circuit is coupled to a node between the first terminal of the driving transistor and the first terminal of the semiconductor unit.