公开(公告)号：US20240072016A1

公开(公告)日：2024-02-29

申请号：US18365692

申请日：2023-08-04

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Dong Hee SHIN ,  Kyung Bae KIM

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/50 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L33/50 ,  H01L33/62

Abstract: A display device includes a substrate including a display area including pixels, and a dummy area including dummy pixels, a pixel circuit layer including a transistor, and a via layer above the transistor, bank patterns above the via layer, light-emitting elements between the bank patterns in plan view, a first bank above a portion of the bank patterns, a second bank above the first bank, and including an edge bank defining an outermost boundary of the dummy area, covering an inner side of an edge bank pattern of the bank patterns overlapping the edge bank, and covering an inner side of a portion of the first bank that overlaps the edge bank, the first bank and the second bank partitioning emission areas and dummy opening areas, and a light conversion layer in the emission areas and in the dummy opening areas, which correspond to openings of the second bank.

公开(公告)号：US20240014363A1

公开(公告)日：2024-01-11

申请号：US18112728

申请日：2023-02-22

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/44 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/44 ,  H01L33/382

Abstract: A display device includes a display area and a non-display area, light emitting elements disposed on a substrate in the display area, an overcoat layer disposed on the light emitting elements and extending from the display area to the non-display area, and a barrier layer disposed on the overcoat layer in the non-display area, wherein the barrier layer is not disposed in the display area and comprises silicon nitride.

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：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：US20230326931A1

公开(公告)日：2023-10-12

申请号：US18121698

申请日：2023-03-15

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Won Jun LEE ,  Sung Chul HONG

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

CPC classification number: H01L27/124 ,  G09G3/3233 ,  H01L25/167 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2330/028 ,  H01L27/1255

Abstract: A pixel may include a first sub-pixel, a third sub-pixel, and a second sub-pixel arranged in a second direction, and each including an emission area and a non-emission area. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include a pixel circuit including at least one transistor and a storage capacitor, a first alignment electrode disposed on the pixel circuit, a second alignment electrode extending spaced apart from the first alignment electrode, a light emitting element disposed between the second alignment electrode and the first alignment electrode, and including a first end adjacent to the second alignment electrode and a second end adjacent to the first alignment electrode, and a bridge pattern spaced apart from the first alignment electrode and the second alignment electrode, and electrically connected to the storage capacitor.

公开(公告)号：US20230299121A1

公开(公告)日：2023-09-21

申请号：US18041396

申请日：2021-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do Yeong PARK ,  Min Kyu WOO ,  Kyung Bae KIM

IPC: H01L27/15 ,  H01L33/24

CPC classification number: H01L27/156 ,  H01L33/24

Abstract: A display device is provided. The display device comprises: a first electrode and a second electrode that are spaced from each other in a first direction; a plurality of light-emitting elements arranged between the first electrode and the second electrode; a pixel circuit including a capacitor that includes first to third capacitor electrodes stacked in order; an interlayer insulation layer arranged between the second capacitor electrode and the third capacitor electrode; a first area overlapping on the first capacitor electrode; and a second area that excludes the first area, wherein the interlayer insulation layer of the first area is thinner than the interlayer insulation layer in the second area.

公开(公告)号：US20230282780A1

公开(公告)日：2023-09-07

申请号：US18056614

申请日：2022-11-17

Applicant: Samsung Display Co., LTD.

Inventor： Won Jun LEE ,  Dong Woo KIM ,  Do Yeong PARK

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

CPC classification number: H01L33/387 ,  H01L25/0753 ,  H01L33/62

Abstract: A display device is provided. The display device includes a first electrode extended in a first direction, a second electrode spaced apart from the first electrode in a second direction crossing the first direction, and extended in the first direction, a bank layer extended in the second direction, and surrounding subpixels, and a light emitting element on the first electrode and the second electrode, wherein at least one of the first electrode or the second electrode includes an electrode extension portion extended in the first direction, and an electrode body portion connected to the electrode extension portion, and having a width that is greater than that of the electrode extension portion, and wherein the bank layer overlaps the electrode body portion with a first width, and includes an organic insulating material.

公开(公告)号：US20230261142A1

公开(公告)日：2023-08-17

申请号：US17978882

申请日：2022-11-01

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Won Jun LEE

IPC: H01L33/38 ,  H01L25/16

CPC classification number: H01L33/38 ,  H01L25/167

Abstract: A display device includes: a first insulating layer on electrodes; a plurality of light emitting elements on the electrodes in an emission area; a second insulating layer on the first insulating layer and the light emitting elements and having a plurality of openings partially overlapping the electrodes and the light emitting elements; and a plurality of connection electrodes on at least some of the electrodes, contacting the light emitting elements, and partially overlapping the openings. A first opening has a first side portion and a second side portion opposite to the first side portion with a greater width than the first side portion, and a first connection electrode overlapping the first opening has a first portion overlapping the first opening and a second portion having a greater width than the first portion and that does not partially overlap the first opening.

公开(公告)号：US20230215997A1

公开(公告)日：2023-07-06

申请号：US17966659

申请日：2022-10-14

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK

IPC: H01L33/60 ,  H01L33/20 ,  H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/50

CPC classification number: H01L33/60 ,  H01L33/20 ,  H01L33/382 ,  H01L33/62 ,  H01L27/156 ,  H01L33/505

Abstract: A display device includes: a pixel located on a substrate in a display area; and an optical structure located on the substrate in a non-display area, the optical structure including a first layer. A refractive index of the first layer is greater than a refractive index of the substrate.

公开(公告)号：US20230006116A1

公开(公告)日：2023-01-05

申请号：US17739325

申请日：2022-05-09

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Chong Chul CHAI

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/38

Abstract: A display device includes pixels, each of the pixels including light emitting parts disposed in a first direction; pixel circuits including storage capacitors disposed in a second direction intersecting the first direction; a scan line extending in the first direction between the storage capacitors; a sub-scan line electrically connected to the scan line and extending in the second direction; and connection lines that electrically connect the light emitting parts and the pixel circuits and do not overlap the sub-scan line in a plan view.