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：US20210057505A1

公开(公告)日：2021-02-25

申请号：US16909032

申请日：2020-06-23

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsae Lee ,  Ji-Hyun Ka ,  Kimyeong Eom

IPC: H01L27/32 ,  H01L51/00

Abstract: An electronic panel including: a base substrate including a first area and a second area, wherein the first area includes a module area and a display area adjacent to the module area; a display element layer including a plurality of display elements, wherein the plurality of display elements overlaps the first area; an encapsulation layer configured to cover the display elements; sensing patterns overlapping the first area and disposed on the encapsulation layer; a crack sensing pattern overlapping the module area and disposed on the encapsulation layer; an auxiliary pattern overlapping the module area and disposed on the encapsulation layer, wherein the auxiliary pattern has a shape that extends along an edge of the crack sensing pattern and extends between the sensing patterns and the crack sensing pattern; and a signal line disposed on the encapsulation layer to electrically connect the crack sensing pattern to the auxiliary pattern.

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：US12112666B2

公开(公告)日：2024-10-08

申请号：US18228244

申请日：2023-07-31

Applicant: Samsung Display Co., LTD.

Inventor： Hae-Yeon Lee ,  Sukyoung Kim ,  Hwayoung Song ,  Kwangsae Lee ,  Il-Joo Kim

IPC: G09G3/00 ,  G06F3/041 ,  G06F3/044 ,  H10K59/131 ,  H10K59/40 ,  H10K102/00

CPC classification number: G09G3/006 ,  G06F3/0412 ,  G06F3/0443 ,  G09G3/035 ,  H10K59/131 ,  H10K59/40 ,  G06F2203/04102 ,  G06F2203/04111 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2330/12 ,  G09G2354/00 ,  H10K2102/311

Abstract: A display device includes: a substrate including a display area, a peripheral area surrounding the display area, a hole area positioned inside the display area, and a pad area; a crack detection line including a first part in the pad area and extending to the peripheral area and a second part connected to the first part, disposed to surround the hole area, and extending to the pad area; a printed circuit board in the pad area; first transistors in the pad area and connected in series between the printed circuit board and the first part, where each of gate electrodes of the first transistors is connected to a first signal line; and second transistors in the pad area and connected in series between a constant voltage line and the first part, where each of gate electrodes of the second transistors is connected to a second signal line.

公开(公告)号：US11348989B2

公开(公告)日：2022-05-31

申请号：US16909032

申请日：2020-06-23

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsae Lee ,  Ji-Hyun Ka ,  Kimyeong Eom

IPC: H01L27/32 ,  H01L51/00

Abstract: An electronic panel including: a base substrate including a first area and a second area, wherein the first area includes a module area and a display area adjacent to the module area; a display element layer including a plurality of display elements, wherein the plurality of display elements overlaps the first area; an encapsulation layer configured to cover the display elements; sensing patterns overlapping the first area and disposed on the encapsulation layer; a crack sensing pattern overlapping the module area and disposed on the encapsulation layer; an auxiliary pattern overlapping the module area and disposed on the encapsulation layer, wherein the auxiliary pattern has a shape that extends along an edge of the crack sensing pattern and extends between the sensing patterns and the crack sensing pattern; and a signal line disposed on the encapsulation layer to electrically connect the crack sensing pattern to the auxiliary pattern.

公开(公告)号：US20240065059A1

公开(公告)日：2024-02-22

申请号：US18447047

申请日：2023-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sungmin Son ,  Jaejin Song ,  Kwangsae Lee

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display panel includes first light-emitting diodes in a first display area, second light-emitting diodes in a second display area inside the first display area and including a transmission area, third light-emitting diodes in a third display area between the first and second display areas, sub-pixel circuits in the third display area, and a transparent conductive bus line electrically connected to one sub-pixel circuit and extending from the third display area towards the second display area, wherein first electrodes of k (k is a even number) second light-emitting diodes emitting light of a first color are electrically connected to each other, and the transparent conductive bus line is connected to a connection line connecting a first electrode of a (k/2)th second light-emitting diode and a first electrode of a (k/2+1)th second light-emitting diode to each other from among the k second light-emitting diodes.

公开(公告)号：US11839121B2

公开(公告)日：2023-12-05

申请号：US17209833

申请日：2021-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Minku Lee ,  Jihyun Ka ,  Kwangsae Lee

IPC: H10K59/131 ,  H10K59/123 ,  G09G3/3225

CPC classification number: H10K59/131 ,  G09G3/3225 ,  H10K59/123

Abstract: A display panel including a substrate including a display area surrounding an opening area and a non-display area between the opening area and the display area; a plurality of display elements on the display area; a plurality of scan lines extending in a first direction and detouring around an edge of the opening area; a plurality of data lines extending in a second direction that intersects with the first direction, the plurality of data lines detouring around the edge of the opening area; and a plurality of emission control lines extending in the first direction and detouring around the edge of the opening area.

公开(公告)号：US11430858B2

公开(公告)日：2022-08-30

申请号：US16294306

申请日：2019-03-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwayoung Song ,  Jihyun Ka ,  Kimyeong Eom ,  Kwangsae Lee

IPC: H01L27/32

Abstract: A display panel includes a substrate including a first non-display area surrounding a transmission area, a display area on an outer portion of the first non-display area, and a second non-display area surrounding the display area, driving thin film transistors and display elements in the display area, a first power supply line in the second non-display area and extending in a first direction, first driving voltage lines and second driving voltage lines extending in a second direction intersecting with the first direction and spaced apart from each other with the transmission area therebetween, and a power bus line connected to the second driving voltage lines in the first non-display area or second non-display area, the power bus line extending in the first direction. A length of the power bus line in the first direction is less than a length of the first power supply line in the first direction.

公开(公告)号：US09666127B2

公开(公告)日：2017-05-30

申请号：US14699194

申请日：2015-04-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwangsae Lee

IPC: G06F3/038 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0291 ,  G09G2320/0223

Abstract: A display apparatus includes a display panel including a plurality of scan lines and a plurality of pixels connected to the plurality of scan lines, and a scan driving unit to supply a scan signal to each of the plurality of pixels via the plurality of scan lines, the scan driving unit including a scan signal generation unit to generate the scan signal supplied to each of the plurality of scan lines, and a plurality of buffers respectively corresponding to the plurality of scan lines, each one of the plurality of buffers outputting a scan signal to a corresponding one of the plurality of scan lines, wherein each of the plurality of buffers includes a transistor having a size corresponding to a load of a circuit connected to an output end of a corresponding buffer.

公开(公告)号：US09066408B2

公开(公告)日：2015-06-23

申请号：US13925710

申请日：2013-06-24

Applicant: SAMSUNG DISPLAY CO., LTD. ,  NEXTIN, INC.

Inventor： Young Woo Choi ,  Kwangsae Lee

IPC: G09G3/30 ,  H05B33/08 ,  G09G3/00 ,  G09G3/32

CPC classification number: H05B33/0896 ,  G09G3/006 ,  G09G3/3233 ,  G09G2300/0861

Abstract: Provided is an organic light emitting display device including: a display unit including a plurality of pixels, each pixel of the pixels including an organic light emitting diode; and a test circuit configured to apply a first signal and a second signal to the display unit and to receive a third signal from the display unit. The test circuit is configured to determine whether or not the display unit is in a normal state based on a voltage level of the third signal when the first and second signals have a first level.

Abstract translation: 本发明提供一种有机发光显示装置，其具备：包括多个像素的显示单元，所述像素的各像素包括有机发光二极管; 以及测试电路，被配置为将第一信号和第二信号施加到所述显示单元并且从所述显示单元接收第三信号。 测试电路被配置为当第一和第二信号具有第一电平时，基于第三信号的电压电平来确定显示单元是否处于正常状态。