公开(公告)号：US20250029543A1

公开(公告)日：2025-01-23

申请号：US18426347

申请日：2024-01-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Seon KWAK ,  Kyung Bae KIM ,  Yong Hee LEE ,  Ji Hye LEE

IPC: G09G3/32 ,  H10K59/131 ,  H10K59/88

Abstract: The present disclosure relates to a display device, and more particularly to a display device capable of repairing a transistor. According to an embodiment of the disclosure, a display device comprising: a pixel comprising a light emitting element and a pixel circuit; and a signal line connected to the pixel, wherein the pixel circuit comprises: a first main transistor connected between a driving voltage line and an anode electrode of the light emitting element; a second main transistor connected between a data line and a gate electrode of the first main transistor; a third main transistor connected between the driving voltage line and a source electrode of the first main transistor; a fourth main transistor connected between a drain electrode of the first main transistor and a common voltage line; and one auxiliary transistor disposed adjacent to at least one of the first to fourth main transistors.

公开(公告)号：US20240006570A1

公开(公告)日：2024-01-04

申请号：US18192158

申请日：2023-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Yong Hee LEE

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/12 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L27/124 ,  H01L25/167

Abstract: A display device that includes a display area and a non-display area surrounding the display area, a substrate, pixels disposed in the display area of the substrate, a grounding part disposed in the non-display area of the substrate, and a flexible printed circuit board disposed in the non-display area of the substrate to apply a driving signal to drive the pixels, wherein the non-display area includes first through fourth portions, the fourth portion on which the flexible printed circuit board is disposed, and the second portion spaced-apart from the fourth portion by the display area, the grounding part including a first ground pattern and a second ground pattern that are arranged alternately in the second portion of the non-display area.

公开(公告)号：US20250048883A1

公开(公告)日：2025-02-06

申请号：US18643229

申请日：2024-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Jin Seon KWAK ,  Do Yeong PARK ,  Ji Hye LEE

IPC: H10K59/80 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/122

Abstract: A pixel is disclosed that includes: a substrate; a pixel circuit disposed on the substrate and including at least one transistor and at least one capacitor; a first contact metal disposed on the substrate and to which a constant voltage is applied; an inorganic layer covering the first contact metal; a first pixel electrode disposed on the inorganic layer and electrically connected to the pixel circuit; a pixel defining film disposed on the first pixel electrode; a second contact metal disposed on the pixel defining film and electrically connected to the first contact metal; a separator disposed on the second contact metal; an organic light emitting portion disposed on the first pixel electrode; and a second pixel electrode disposed on the organic light emitting portion and connected to the second contact metal.

公开(公告)号：US20230395614A1

公开(公告)日：2023-12-07

申请号：US18096705

申请日：2023-01-13

Applicant: Samsung Display Co., LTD.

Inventor： Jin Seon KWAK ,  Kyung Bae KIM ,  Do Yeong PARK ,  Yong Hee LEE ,  Ji Hye LEE

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L27/1248 ,  H01L25/167 ,  H01L2933/0066 ,  H01L27/1259 ,  H01L33/62

Abstract: A display device includes electrodes on a base layer; a first insulating layer on the electrodes; a bank on the first insulating layer, protruding in a thickness direction of the base layer, and surrounding a region; light emitting elements in the region on the base layer; and connection electrodes electrically connected to the light emitting elements. The connection electrodes include an anode connection electrode electrically connected to the light emitting elements, a cathode connection electrode electrically connected to the light emitting elements, and an extension connection electrode on the bank. The first insulating layer forms at least one first opening. The at least one first opening overlaps the extension connection electrode in a plan view.

公开(公告)号：US20230317734A1

公开(公告)日：2023-10-05

申请号：US18093493

申请日：2023-01-05

Applicant: Samsung Display Co., LTD.

Inventor： Yong Hee LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Ji Hye LEE

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L25/167

Abstract: A display device comprising a display area in which pixels are disposed, each of the pixels comprising a first electrode and a second electrode; and light emitting elements, a first dummy pixel area disposed outside the display area and in which dummy pixels are disposed, each of the dummy pixels comprising the first electrode, the second electrode and the light emitting elements, and a second dummy pixel area surrounding the display area and the first dummy pixel area and in which dummy electrode lines and dummy electrode patterns are disposed, wherein the dummy electrode lines are spaced apart from each other and are electrically connected to the second electrodes of the dummy pixels, and the dummy electrode patterns are disposed between the dummy electrode lines and are spaced apart from the first electrodes of the dummy pixels.

公开(公告)号：US20230006115A1

公开(公告)日：2023-01-05

申请号：US17683889

申请日：2022-03-01

Applicant: Samsung Display Co., LTD.

Inventor： Ki Hyun PYO ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Yeon Kyung KIM ,  Ji Hye LEE

IPC: H01L33/62 ,  H01L33/38

Abstract: A display device according to some embodiments includes a substrate, a first power line extending in a first direction on the substrate, and configured to transmit a first alignment signal or a first driving voltage, a second power line extending in the first direction on the substrate, and configured to transmit a second alignment signal or a second driving voltage, a first electrode extending in a second direction that is substantially perpendicular to the first direction, configured to receive the first alignment signal or the first driving voltage, and electrically connected to the first power line, a second electrode spaced apart from the first electrode, extending in the second direction, configured to receive the second alignment signal or the second driving voltage, and electrically connected to the second power line, and a light emitting element between the first electrode and the second electrode.

公开(公告)号：US20240120347A1

公开(公告)日：2024-04-11

申请号：US18470162

申请日：2023-09-19

Applicant: Samsung Display Co., LTD.

Inventor： Yong Hee LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Ji Hye LEE

IPC: H01L27/12 ,  G09G3/3233 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L27/124 ,  G09G3/3233 ,  H01L25/167 ,  H01L33/62 ,  G09G2300/0426 ,  G09G2310/08

Abstract: A display device includes first and second electrodes, light-emitting elements on the first and second electrodes, data lines extending from a pad area to a display area, connection wirings spaced apart from the data lines and extending from the pad area to a non-display area on respective sides of the display area, first pads overlapping the data lines in the pad area, and second pads overlapping the connection wirings, wherein the connection wirings include a first connection wiring overlapping a second pad, a second connection wiring not overlapping the second pad and overlapping the first connection wiring in the non-display area, and a third connection wiring overlapping the first connection wiring and electrically connected to the second pad, wherein the first and third connection wirings overlap each other in the pad area, and the first, second, and third connection wirings overlap each other in the non-display area.

公开(公告)号：US20230402578A1

公开(公告)日：2023-12-14

申请号：US18120025

申请日：2023-03-10

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Jin Seon KWAK ,  Dong Woo KIM ,  Yeon Kyung KIM

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/50 ,  H01L27/12 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L33/382 ,  H01L33/505 ,  H01L27/124 ,  H01L25/167

Abstract: A sub-pixel of a display device includes: a first transistor including a gate electrode connected to a first node, a first terminal connected to a first power line, and a second terminal connected to a second node; a light emitting part connected to the second node and a second power line and including at least one light emitting element; and a capacitor formed between the first and second nodes. The capacitor includes a first capacitor electrode, and a second capacitor electrode overlapping the first capacitor electrode with an insulating layer interposed therebetween in a plan view. The second capacitor electrode includes a first protrusion part protruding further in an extending direction than an edge of the first capacitor electrode, and a second protrusion part protruding further in a direction opposite to the extending direction from a portion of an edge of the second capacitor electrode in a plan view.

公开(公告)号：US20230029779A1

公开(公告)日：2023-02-02

申请号：US17869660

申请日：2022-07-20

Applicant: Samsung Display Co., LTD.

Inventor： Jin Seon KWAK ,  Kyung Bae KIM ,  Yong Hee LEE ,  Ji Hye LEE ,  Ki Hyun PYO

IPC: H01L27/32

Abstract: A display device includes sub-pixels including a light emitting part, and sub-areas on respective sides of the light emitting part in a first direction, a first electrode in the light emitting part and extending in the first direction, and a second electrode extending in the first direction and spaced apart from the first electrode in a second direction crossing the first direction, a first insulating layer on the first electrode and the second electrode, and a light emitting element on the first electrode and the second electrode in the light emitting part, wherein the second electrode includes an electrode stem part extending in the first direction, and electrode branch parts branched from the electrode stem part.

公开(公告)号：US20220302203A1

公开(公告)日：2022-09-22

申请号：US17559530

申请日：2021-12-22

Applicant: Samsung Display Co., LTD.

Inventor： Yong Hee LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Ji Hye LEE

IPC: H01L27/15

Abstract: A display device includes a substrate including a display area and a non-display area, a first voltage pattern and a second voltage pattern arranged along a first side of the non-display area, the first voltage pattern and the second voltage pattern being alternately located, a first sub-voltage pattern and a second sub-voltage pattern arranged along a second side opposite the first side of the non-display area, the first sub-voltage pattern and the second sub-voltage pattern being and alternately located, a first voltage extension wire extending along a third side crossing the first side of the non-display area and connected to the first voltage pattern, and a second voltage extension wire extending along a fourth side opposite the third side of the non-display area and connected to the second voltage pattern.