公开(公告)号：US20220352429A1

公开(公告)日：2022-11-03

申请号：US17733153

申请日：2022-04-29

Applicant: Samsung Display Co., LTD.

Inventor： Hae Yun CHOI ,  Tae Hee LEE ,  Hyung Il JEON ,  Joo Woan CHO ,  Dae Ho SONG ,  Byung Choon YANG

IPC: H01L33/50 ,  H01L33/58

Abstract: A display device includes a substrate; a partition wall on the substrate; a light-emitting element located in an emission area partitioned by the partition wall on the substrate and extended in a thickness direction of the substrate; a wavelength conversion layer over the light-emitting element in the emission area, and including a base resin and wavelength conversion particles dispersed in the base resin and configured to convert a wavelength of light emitted from the light-emitting element; and an optical member on the wavelength conversion layer and the partition wall and configured to adjust a path of light output from the wavelength conversion layer, and the optical member includes an optical layer and a first protruding pattern protruding from the optical layer toward the wavelength conversion layer.

公开(公告)号：US20220020831A1

公开(公告)日：2022-01-20

申请号：US17220621

申请日：2021-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Il JEON ,  Min Woo KIM ,  Dae Ho SONG ,  Byung Choon YANG ,  Jin Woo CHOI

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: A display device, includes: a substrate including a plurality of pixel areas each having an emission area; and a pixel provided in each of the pixel areas, wherein the pixel comprises: at least one light emitting element on a first surface of the substrate; a first insulating layer on the light emitting element; at least one transistor on the first insulating layer and electrically connected to the light emitting element; a second insulating layer on the transistor; a common electrode on the second insulating layer; and a pixel electrode on a third insulating layer of the common electrode and electrically connected to the transistor, wherein the light emitting element comprises a semiconductor structure on the substrate, and first and second electrodes on the semiconductor structure to be spaced apart from each other.

公开(公告)号：US20220013514A1

公开(公告)日：2022-01-13

申请号：US17369344

申请日：2021-07-07

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Dae Ho SONG ,  Byung Choon YANG ,  Hyung Il JEON

IPC: H01L25/16 ,  H01L33/62

Abstract: A display device includes pixels each of which includes a first pixel electrode; a first connection electrode disposed on the first pixel electrode; a second connection electrode spaced apart from the first pixel electrode; a second pixel electrode disposed on the second connection electrode; first light emitting elements disposed between the first pixel electrode and the first connection electrode; and second light emitting elements disposed between the second connection electrode and the second pixel electrode. The first connection electrode is electrically connected to the second connection electrode.

公开(公告)号：US20210111142A1

公开(公告)日：2021-04-15

申请号：US17028365

申请日：2020-09-22

Applicant: Samsung Display Co., LTD.

Inventor： Dae Ho SONG ,  Min Woo KIM ,  Byung Choon YANG ,  Hyung Il JEON ,  Jin Woo CHOI

IPC: H01L23/00 ,  H01L25/16

Abstract: A display device and a method of manufacturing the same are provided. The display device includes a first electrode disposed on a substrate, an adhesive auxiliary layer disposed on the first electrode and including a self-assembled monolayer, a light emitting element disposed on the adhesive auxiliary layer, and a contact electrode disposed between the adhesive auxiliary layer and the light emitting element. The light emitting element includes a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an intermediate layer disposed between the first semiconductor layer and the second semiconductor layer.

公开(公告)号：US20250015097A1

公开(公告)日：2025-01-09

申请号：US18760857

申请日：2024-07-01

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Dae Ho SONG ,  Hyung Il JEON

IPC: H01L27/12 ,  H01L25/16

Abstract: A stretchable display device and a method for fabricating the same is provided. A display device includes a substrate including a plurality of island patterns and a first bridge pattern connecting a first island pattern and a second island pattern adjacent to each other from among the plurality of island patterns, and a plurality of pixel light emitting chips, a pixel light emitting chip from among the plurality of pixel light emitting chips located on a corresponding island pattern from among the plurality of island patterns. Each of the plurality of pixel light emitting chips includes a transistor layer including a plurality of transistors, and a light emitting element layer on the transistor layer, and including a plurality of light emitting elements.

公开(公告)号：US20240313171A1

公开(公告)日：2024-09-19

申请号：US18537548

申请日：2023-12-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Il JEON ,  Jin Woo CHOI

IPC: H01L33/50 ,  H01L23/00 ,  H01L25/065

CPC classification number: H01L33/507 ,  H01L24/13 ,  H01L24/16 ,  H01L25/0657 ,  H01L2224/13111 ,  H01L2224/13124 ,  H01L2224/13144 ,  H01L2224/13147 ,  H01L2224/16145 ,  H01L2225/06513 ,  H01L2924/12041 ,  H01L2933/0041

Abstract: A display device includes: a plurality of light emitting elements, each of the light emitting elements being spaced apart from each other and including a first semiconductor layer; a color adjustment layer on the light emitting elements; an organic layer between the light emitting elements and in a same layer as the first semiconductor layer and the color adjustment layer; and a first electrode contacting side surfaces of the first semiconductor layer and the color adjustment layer and enclosing the organic layer.

公开(公告)号：US20240234634A1

公开(公告)日：2024-07-11

申请号：US18396464

申请日：2023-12-26

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Dae Ho SONG ,  Hyung Il JEON

IPC: H01L33/38 ,  H01L25/16 ,  H01L33/10

CPC classification number: H01L33/38 ,  H01L25/167 ,  H01L33/10 ,  H01L2933/0016

Abstract: A display device and a method of manufacturing the same. The display device includes: a pixel circuit layer and a light emitting element on the pixel circuit layer. The light emitting element includes first and second electrodes and an emission layer electrically connected to the first electrode through a first contact portion and electrically connected to the second electrode through a second contact portion. The emission layer includes: a first sub-emission layer including a first N-type semiconductor layer, a first P-type semiconductor layer, and a first active layer between the first N-type semiconductor layer and the first P-type semiconductor layer; and a second sub-emission layer including a second N-type semiconductor layer, a second P-type semiconductor layer, and a second active layer between the second N-type semiconductor layer and the second P-type semiconductor layer. The first and second sub-emission layers are electrically connected in series between the first and second electrodes.

公开(公告)号：US20230411577A1

公开(公告)日：2023-12-21

申请号：US18114189

申请日：2023-02-24

Applicant: Samsung Display Co., LTD.

Inventor： Ju Won YOON ,  Jung Hun NOH ,  Ki Seong SEO ,  Jae Gwang UM ,  So Yeon YOON ,  Sang Hyun LEE ,  Hyung Il JEON

IPC: H01L33/62 ,  H01L33/20 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L33/20 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1214 ,  H01L33/38 ,  H01L2933/0066 ,  H01L2933/0016

Abstract: The display device includes a substrate, a thin-film transistor on the substrate and including a first electrode, a second electrode and a semiconductor layer, a first insulating layer on the thin-film transistor, an organic layer on the first insulating layer, at least one light-emitting element on the organic layer, a pixel electrode on the organic layer and in contact with a side surface of the at least one light-emitting element, a planarization layer on the side surface of the at least one light-emitting element and a common electrode on the at least one light-emitting element and the planarization layer.

公开(公告)号：US20220352243A1

公开(公告)日：2022-11-03

申请号：US17570112

申请日：2022-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Joo Woan CHO ,  Dae Ho SONG ,  Tae Hee LEE ,  Hyung Il JEON ,  Byeong Hwa CHOI

IPC: H01L27/15 ,  H01L23/48 ,  H01L23/00 ,  H01L25/18

Abstract: A display device includes a first substrate including a display area, a non-display area, and a plurality of pixel circuit units in the display area and the non-display area, a plurality of light emitting elements on the first substrate in the display area, the plurality of light emitting elements being electrically connected to the pixel circuit units, a hole mask layer on the first substrate and including a plurality of holes corresponding to the light emitting elements, a second substrate on the hole mask layer and including a plurality of open holes corresponding to the plurality of holes, and a plurality of light exit patterns in the plurality of the open holes of the second substrate corresponding to the plurality of holes, wherein each of the light exit patterns includes a first part in one of the plurality of open holes.

公开(公告)号：US20220158038A1

公开(公告)日：2022-05-19

申请号：US17449928

申请日：2021-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Il JEON ,  Min Woo KIM ,  Sung Kook PARK ,  Dae Ho SONG ,  Byung Choon YANG ,  Jin Woo CHOI

IPC: H01L33/42 ,  H01L33/40 ,  H01L33/58

Abstract: A display device includes: a substrate; a transparent electrode on one surface of the substrate; a reflective electrode on the transparent electrode; a transistor on the reflective electrode; and a light emitting element between the transparent electrode and the reflective electrode. The transistor overlaps the light emitting element.