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.

公开(公告)号：US11309375B2

公开(公告)日：2022-04-19

申请号：US16576648

申请日：2019-09-19

Applicant: Samsung Display Co., Ltd.

Inventor： Youngsoo Yoon ,  Wonkyu Kwak ,  Jihyun Ka ,  Dongeup Lee ,  Yunkyeong In ,  Hyunji Cha ,  Minhee Choi

IPC: H01L27/32 ,  H01L51/00

Abstract: A display panel includes a substrate including a display area and a first area in the display area; a plurality of pixels in the display area, wherein the plurality of pixels includes a first group of first pixels adjacent to the first area, and each of the first pixels includes a first semiconductor layer, wherein the first semiconductor layer of each of the first pixels is connected to the first semiconductor layer of another one of the first pixels in a first direction to form a plurality of first rows arranged on the substrate, and the plurality of first rows are connected to a first connection line extending in a second direction that crosses the first direction.

公开(公告)号：US11011595B2

公开(公告)日：2021-05-18

申请号：US16357802

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonse Lee ,  Jintae Jeong ,  Jihyun Ka ,  Hwayoung Song

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel includes a substrate having a non-display area surrounding an opening area, and a display area outside the non-display area, a plurality of display elements arranged in the display area, a plurality of first lines extending in a first direction and bypassing the opening area along an edge of the opening area, a plurality of second lines extending in a second direction that crosses the first direction and, the plurality of second lines bypassing the opening area along the edge of the opening area, and a plurality of third lines extending in the second direction and bypassing the opening area along the edge of the opening area, at least one of the plurality of third lines including a circuitous portion between neighboring first lines of the plurality of first lines in the non-display area.

公开(公告)号：US10964771B2

公开(公告)日：2021-03-30

申请号：US16426049

申请日：2019-05-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minku Lee ,  Jihyun Ka ,  Kwangsae Lee

IPC: H01L27/32 ,  G09G3/3225

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：US12198627B2

公开(公告)日：2025-01-14

申请号：US18226770

申请日：2023-07-27

Applicant: Samsung Display Co., Ltd.

Inventor： Minjoo Kim ,  Jihyun Ka ,  Chulkyu Kang ,  Soongi Kwon ,  Sujin Kim ,  Minwoo Byun ,  Seoni Jeong ,  Chaehan Hyun ,  Sungchan Hwang

IPC: G09G3/30 ,  G09G3/3233 ,  G09G3/3275

Abstract: Provided is a display apparatus in which initialization and compensation of a pixel is implemented through a pixel including a thin film transistor connected to a node between a driving transistor and a light emitting diode.

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：US20230290305A1

公开(公告)日：2023-09-14

申请号：US17891948

申请日：2022-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Soongi Kwon ,  Jihyun Ka ,  Minjeong Kim ,  Minku Lee ,  Seunghee Lee ,  Hyeongjun Jin

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A pixel includes a display element, a driving transistor, a storage capacitor, a scan transistor, and a gate control circuit. The display element may emit light for an emission period, wherein the display element includes an anode and a cathode. The driving transistor may control an amount of a driving current flowing through the display element, wherein the driving transistor includes a first gate and a second gate. The storage capacitor is electrically connected to the first gate of the driving transistor. The scan transistor may be turned on for a data-write period for transferring a data voltage to the driving transistor. The lower gate control circuit may electrically connect the second gate of the driving transistor to the anode of the display element for the emission period, and may apply a bias voltage to the second gate of the driving transistor for the data-write period.

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：US11387311B2

公开(公告)日：2022-07-12

申请号：US16985681

申请日：2020-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hwayoung Song ,  Jihyun Ka ,  Jongseok Woo ,  Wonse Lee

IPC: H01L29/08 ,  H01L27/32

Abstract: A display device having an improved reliability includes a substrate including a display area in which a display element is arranged, a first conductive layer extending in a first direction on a plane, located in the display area, and including a protrusion protruding in a second direction crossing the first direction, a first insulating layer on the first conductive layer, a second conductive layer extending in the first direction on a plane, located on the first insulating layer, and defining a groove overlapping the protrusion of the first conductive layer, a second insulating layer on the second conductive layer, and a third conductive layer extending in the second direction on a plane, located on the second insulating layer, and overlapping the protrusion of the first conductive layer.

公开(公告)号：US11263965B2

公开(公告)日：2022-03-01

申请号：US17115256

申请日：2020-12-08

Applicant: Samsung Display Co., Ltd.

Inventor： Youngsoo Yoon ,  Wonkyu Kwak ,  Jihyun Ka ,  Jisu Na ,  Kyonghwan Oh ,  Yunkyeong In ,  Haijung In ,  Hyunji Cha

IPC: G09G3/30 ,  G09G3/3225 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/12 ,  H01L29/786

Abstract: A pixel includes an organic light-emitting diode; a first transistor that receives a signal in response to a voltage applied to a first node and controls an amount of current flowing from a second node electrically connected to a power supply voltage line to the organic light-emitting diode; a fourth transistor electrically connected between the first node and a first initializing voltage line; and a bias capacitor electrically connected between the second node and a light-emission control line, the bias capacitor including a first capacitor electrode and a second capacitor electrode. The first capacitor electrode of the bias capacitor and a semiconductor layer of the first transistor are disposed on a same layer, and the second capacitor electrode of the bias capacitor and a second portion included in a gate electrode of the fourth transistor are disposed on a same layer.