公开(公告)号：US11996051B2

公开(公告)日：2024-05-28

申请号：US18106431

申请日：2023-02-06

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun Ka ,  Nackhyeon Keum ,  Kimyeong Eom

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291 ,  G09G3/3266 ,  G09G2300/0876

Abstract: A display panel of an OLED display device includes a first pixel configured to emit first color light, a second pixel configured to emit second color light, and a third pixel configured to emit third color light. Each of the first, second and third pixels includes at least two transistors, at least one capacitor and an organic light emitting diode. At least one of at least two transistors or at least one capacitor included in the third pixel has a size different from a size of a corresponding one at least two transistors or at least one capacitor included in the first pixel or the second pixel.

公开(公告)号：US11871622B2

公开(公告)日：2024-01-09

申请号：US17697188

申请日：2022-03-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nackhyeon Keum ,  Jihyun Ka ,  Haeyeon Lee

IPC: G09G3/3233 ,  H10K59/123 ,  H10K59/121 ,  H01L27/12

CPC classification number: H10K59/123 ,  G09G3/3233 ,  H10K59/1213 ,  G09G2300/0842 ,  G09G2340/0435 ,  H01L27/124

Abstract: A display device includes a first light-emitting element disposed in a first display area, a second light-emitting element disposed in a second display area, a first pixel circuit disposed in the first display area, where the first pixel circuit output a first driving current for driving at least one selected from the first light-emitting element and the second light-emitting element, a first emission control transistor which connects the first pixel circuit to the first light-emitting element, and a second emission control transistor which connects the first pixel circuit to the second light-emitting element.

公开(公告)号：US11574594B2

公开(公告)日：2023-02-07

申请号：US17199851

申请日：2021-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun Ka ,  Nackhyeon Keum ,  Kimyeong Eom

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display panel of an OLED display device includes a first pixel configured to emit first color light, a second pixel configured to emit second color light, and a third pixel configured to emit third color light. Each of the first, second and third pixels includes at least two transistors, at least one capacitor and an organic light emitting diode. At least one of at least two transistors or at least one capacitor included in the third pixel has a size different from a size of a corresponding one at least two transistors or at least one capacitor included in the first pixel or the second pixel.

公开(公告)号：US12236879B2

公开(公告)日：2025-02-25

申请号：US18545798

申请日：2023-12-19

Applicant: Samsung Display Co., LTD.

Inventor： Nackhyeon Keum ,  Kwangsae Lee

IPC: G09G3/3233 ,  H10K59/88

Abstract: A display panel includes: first to N-th active pixels, N being an integer greater than 3; and a dummy pixel arranged adjacent to the N-th active pixel in a same pixel column, the dummy pixel including: a dummy driving transistor including a gate electrode connected to a first node, a first electrode connected to a data line configured to transmit a data voltage, and a second electrode connected to a second node; a plurality of dummy compensation transistors connected in parallel to each other between the first node and the second node; a dummy initialization transistor including a gate electrode configured to receive an initialization gate signal, a first electrode configured to receive an initialization voltage, and a second electrode connected to the first node; and a dummy storage capacitor including a first electrode configured to receive a first supply voltage and a second electrode connected to the first node.

公开(公告)号：US11501706B2

公开(公告)日：2022-11-15

申请号：US17469798

申请日：2021-09-08

Applicant: Samsung Display Co., Ltd.

Inventor： Nackhyeon Keum ,  Jihyun Ka

IPC: G09G3/3225 ,  G09G3/00 ,  H01L27/32

Abstract: A display panel and a display apparatus, in which a particular color is prevented from being emphasized and displayed in a display area even when the display panel passes testing. The display panel includes: a substrate including a first area and a second area in which first connection nodes and second connection nodes are arranged, the first and second areas being separate from each other; first data lines on the first area; second data lines on the second area and respectively connected to second connection nodes; first connection lines respectively connecting the first data lines to the first connection nodes; a first voltage line; first transistors respectively connected between the first connection nodes and the first voltage line; second transistors respectively connected between the second connection nodes and the first voltage line; and a first gate line connected to gates of the first transistors and gates of the second transistors.

公开(公告)号：US20240412697A1

公开(公告)日：2024-12-12

申请号：US18813017

申请日：2024-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Nackhyeon Keum ,  Kimyeong Eom ,  Kwangsae Lee

IPC: G09G3/3266

Abstract: Provided is a gate driver including a plurality of stages, wherein each stage includes an output unit including a pull-up transistor and a pull-down transistor, and a second node controller configured to control a voltage of a second control node to which a gate of the pull-up transistor is connected, wherein the second node controller includes a first control transistor connected between the first clock terminal and the second control node and including a gate connected to the first control node, and a second control transistor including a gate connected to the gate of the first control transistor and configured to control a short circuit between the first clock terminal and a second clock terminal.

公开(公告)号：US20220384548A1

公开(公告)日：2022-12-01

申请号：US17697188

申请日：2022-03-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nackhyeon Keum ,  Jihyun Ka ,  Haeyeon Lee

IPC: H01L27/32 ,  G09G3/3233

Abstract: A display device includes a first light-emitting element disposed in a first display area, a second light-emitting element disposed in a second display area, a first pixel circuit disposed in the first display area, where the first pixel circuit output a first driving current for driving at least one selected from the first light-emitting element and the second light-emitting element, a first emission control transistor which connects the first pixel circuit to the first light-emitting element, and a second emission control transistor which connects the first pixel circuit to the second light-emitting element.

公开(公告)号：US12100355B2

公开(公告)日：2024-09-24

申请号：US18217924

申请日：2023-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Nackhyeon Keum ,  Kimyeong Eom ,  Kwangsae Lee

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2330/021

Abstract: Provided is a gate driver including a plurality of stages, wherein each stage includes an output unit including a pull-up transistor and a pull-down transistor, and a second node controller configured to control a voltage of a second control node to which a gate of the pull-up transistor is connected, wherein the second node controller includes a first control transistor connected between the first clock terminal and the second control node and including a gate connected to the first control node, and a second control transistor including a gate connected to the gate of the first control transistor and configured to control a short circuit between the first clock terminal and a second clock terminal.

公开(公告)号：US20240071314A1

公开(公告)日：2024-02-29

申请号：US18217924

申请日：2023-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Nackhyeon Keum ,  Kimyeong Eom ,  Kwangsae Lee

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2330/021

Abstract: Provided is a gate driver including a plurality of stages, wherein each stage includes an output unit including a pull-up transistor and a pull-down transistor, and a second node controller configured to control a voltage of a second control node to which a gate of the pull-up transistor is connected, wherein the second node controller includes a first control transistor connected between the first clock terminal and the second control node and including a gate connected to the first control node, and a second control transistor including a gate connected to the gate of the first control transistor and configured to control a short circuit between the first clock terminal and a second clock terminal.

公开(公告)号：US20220208093A1

公开(公告)日：2022-06-30

申请号：US17469798

申请日：2021-09-08

Applicant: Samsung Display Co., Ltd

Inventor： Nackhyeon Keum ,  Jihyun Ka

IPC: G09G3/3225 ,  G09G3/00

Abstract: A display panel and a display apparatus, in which a particular color is prevented from being emphasized and displayed in a display area even when the display panel passes testing. The display panel includes: a substrate including a first area and a second area in which first connection nodes and second connection nodes are arranged, the first and second areas being separate from each other; first data lines on the first area; second data lines on the second area and respectively connected to second connection nodes; first connection lines respectively connecting the first data lines to the first connection nodes; a first voltage line; first transistors respectively connected between the first connection nodes and the first voltage line; second transistors respectively connected between the second connection nodes and the first voltage line; and a first gate line connected to gates of the first transistors and gates of the second transistors.