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：US20210376045A1

公开(公告)日：2021-12-02

申请号：US17243544

申请日：2021-04-28

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hye LEE ,  Kyung Bae KIM ,  No Kyung PARK

IPC: H01L27/32

Abstract: A display device comprises a pixel which comprises emission areas, a first voltage wiring and a second voltage wiring, which are outside the emission areas of the pixel and extend in a first direction and a second direction crossing the first direction, first electrodes and second electrodes which are respectively in the emission areas and extend in one direction, light emitting elements which are on the first and second electrodes, first contact electrodes which contact the first electrodes and the light emitting elements, and second contact electrodes which contact the second electrodes and the light emitting elements, and a first electrode line which overlaps the first voltage wiring and is outside the emission areas and a second electrode line which overlaps the second voltage wiring and is outside the emission areas, wherein each of the first electrodes and the first electrode line is electrically connected to the first voltage wiring, and each of the second electrodes and the second electrode line is electrically connected to the second voltage wiring.

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：US20240072103A1

公开(公告)日：2024-02-29

申请号：US18453803

申请日：2023-08-22

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Kyung Bae KIM ,  Dong Woo KIM ,  Do Yeong PARK

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/24 ,  H01L33/44 ,  H01L33/50

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/24 ,  H01L33/44 ,  H01L33/50 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  H01L2933/0041

Abstract: A display device including: a substrate including a display area including a pixel area, and a non-display area at at least one side of the display area; a pixel in the pixel area, and including a light emitting element, a color conversion layer located on the light emitting element, and a color filter layer located on the color conversion layer; a first step difference compensation pattern in the non-display area, and around the display area; and a second step difference compensation pattern in the non-display area, and including a first end adjacent to the display area, and a second end opposite to the first end and located adjacent to an edge of the substrate, wherein the second step difference compensation pattern is located on the first step difference compensation pattern and overlaps the first step difference compensation pattern, and covers one end of the first step difference compensation pattern.

公开(公告)号：US20230327065A1

公开(公告)日：2023-10-12

申请号：US18116421

申请日：2023-03-02

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/50 ,  H01L25/075

CPC classification number: H01L33/62 ,  H01L33/382 ,  H01L33/505 ,  H01L25/0753

Abstract: A pixel may include a first sub-pixel, a third sub-pixel, and a second sub-pixel that are arranged in a second direction and each include an emission area and a non-emission area. Each of the first, second, and third sub-pixels may include: a pixel circuit layer including a passivation layer including first to third via holes; a first alignment electrode disposed on the passivation layer; a second alignment electrode spaced apart from the first alignment electrode; a floating pattern spaced apart from the first alignment electrode; a light emitting element disposed between the first alignment electrode and the second alignment electrode. A first via hole of the first sub-pixel, a first via hole of the third sub-pixel, and a first via hole of the second sub-pixel may be positioned in a same column.

公开(公告)号：US20230282776A1

公开(公告)日：2023-09-07

申请号：US18107045

申请日：2023-02-08

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Bae KIM ,  Ji Hye LEE ,  Jong Woong CHANG

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/50 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/38 ,  H01L25/0753 ,  H01L33/005 ,  H01L33/505 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a bank disposed on a substrate, the bank surrounding at least a portion of each of a first emission area and a second emission area in a plan view; first alignment electrodes, at least a number of the first alignment electrodes being disposed in the first emission area; second alignment electrodes, at least a number of the second alignment electrodes being disposed in the second emission area; and a light emitting element disposed in each of the first emission area and the second emission area. An electrode most adjacent to the second emission area among the first alignment electrodes and an electrode most adjacent to the first emission area among the second alignment electrodes are spaced apart from each other with a dividing line disposed therebetween, and the dividing line overlaps the bank 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.