公开(公告)号：US20230044786A1

公开(公告)日：2023-02-09

申请号：US17815170

申请日：2022-07-26

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Kook PARK ,  Sung Eun BAEK

IPC: H01L25/075 ,  H01L33/14 ,  H01L33/06 ,  H01L33/38 ,  H01L33/62 ,  H01L33/00

Abstract: A display device includes light-emitting elements arranged on a circuit board, and extending in a thickness direction of the circuit board, wherein the light-emitting elements include a first light-emitting element configured to emit a first light, and a second light-emitting element configured to emit a second light, wherein the first light-emitting element and the second light-emitting element are on different layers, and wherein a width of the first light-emitting element is greater than a width of the second light-emitting element.

公开(公告)号：US20220352267A1

公开(公告)日：2022-11-03

申请号：US17544371

申请日：2021-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Sung Eun BAEK ,  Jin Woo CHOI ,  Sung Kook PARK ,  Dae Ho SONG

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a pixel, the pixel includes a first electrode; at least one light emitting element disposed on the first electrode; and a second electrode including at least one overlapping part overlapping the at least one light emitting element and including at least one opening not overlapping the at least one light emitting element, and a shape, a size, and a position of the overlapping part of the second electrode vary according to a position of the at least one light emitting element and a number of light emitting elements.

公开(公告)号：US20220352237A1

公开(公告)日：2022-11-03

申请号：US17558079

申请日：2021-12-21

Applicant: Samsung Display Co., LTD.

Inventor： Dae Ho SONG ,  Sung Eun BAEK ,  Ki Seong SEO ,  Byung Choon YANG ,  Tae Hee LEE ,  Byeong Hwa CHOI

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60 ,  H01L33/62

Abstract: A display device includes: a plurality of light emitting elements on a first substrate; a second substrate facing the first substrate; a partition wall on one surface of the second substrate facing the first substrate, and including a plurality of openings; a plurality of color filters in the plurality of openings; wavelength conversion layers on the plurality of color filters, respectively, and to convert wavelengths of light emitted from the plurality of light emitting elements; and an adhesive layer adhering the first substrate and the second substrate to each other. The partition wall includes a silicon single crystal.

公开(公告)号：US20230065016A1

公开(公告)日：2023-03-02

申请号：US17752289

申请日：2022-05-24

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Kook PARK ,  Sung Eun BAEK ,  Ki Seong SEO ,  Hyung Il JEON

IPC: H01L25/16 ,  H01L23/00 ,  H01L33/00

Abstract: A display includes a pixel electrode disposed on a substrate, a light emitting element disposed on the pixel electrode, a connection electrode disposed on a side surface of the light emitting element, and a common electrode disposed on the light emitting element. The light emitting element includes a first sub light emitting element, a second sub light emitting element disposed on the first sub light emitting element, and a third sub light emitting element disposed on the second sub light emitting element. The connection electrode is disposed on at least one side surface of the first sub light emitting element, the second sub light emitting element, and the third sub light emitting element.

公开(公告)号：US20230064695A1

公开(公告)日：2023-03-02

申请号：US17850412

申请日：2022-06-27

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il JEON ,  Min Woo KIM ,  Sung Kook PARK ,  Sung Eun BAEK ,  Ki Seong SEO ,  Jin Woo CHOI

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/50 ,  H01L33/00

Abstract: A display device includes a substrate, a first electrode disposed on the substrate, a bonding electrode disposed on the first electrode and electrically connected to the first electrode, a light emitting element disposed on the bonding electrode and including a first end contacting with the bonding electrode, and a second end disposed opposite to the first end in a longitudinal direction, a first insulating layer covering a side surface of the light emitting element and not covering the second end of the light emitting element such that the second end of the light emitting element is exposed, a second electrode covering the first insulating layer and the second end of the light emitting element, a first bank disposed on a portion of the second electrode, and a second bank disposed on the first bank, and the first bank and the second bank include metal.

公开(公告)号：US20230051074A1

公开(公告)日：2023-02-16

申请号：US17661885

申请日：2022-05-03

Applicant: Samsung Display Co., LTD.

Inventor： Sung Kook PARK ,  Min Woo KIM ,  Sung Eun BAEK ,  Jin Woo CHOI ,  Hae Yun CHOI

IPC: H01L33/62 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device and a method of fabricating the same is provided. A display device includes first and second pixel circuit units spaced apart from each other, a first pixel electrode on the first pixel circuit unit, a second pixel electrode on the second pixel circuit unit, a first light-emitting element electrically connected to the first pixel electrode, and for emitting first light, a second light-emitting element electrically connected to the second pixel electrode, and for emitting second light, a first pixel connecting electrode between the first pixel electrode and the first light-emitting element, and a second pixel connecting electrode between the second pixel electrode and the second light-emitting element, wherein the first pixel electrode overlaps with the first light-emitting element, and wherein the second pixel electrode does not overlap with the second light-emitting element.

公开(公告)号：US20230048544A1

公开(公告)日：2023-02-16

申请号：US17718869

申请日：2022-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Sung Kook PARK ,  Sung Eun BAEK ,  Byung Choon YANG ,  So Yeon YOON

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/42 ,  H01L27/15 ,  H01L33/00

Abstract: A display device includes a pixel electrode disposed on a substrate and including a reflective electrode layer and an upper electrode layer, a contact electrode disposed on the pixel electrode, light-emitting elements disposed on the contact electrode and disposed perpendicular to the pixel electrode, a planarization layer disposed on the pixel electrode, the planarization layer filling a space between the light-emitting elements, and a common electrode disposed on the planarization layer and the light-emitting elements, and a size of the contact electrode is equal to a size of each of the light-emitting elements in a plan view, and the upper electrode layer is disposed on the reflective electrode layer and is in a polycrystalline phase.

公开(公告)号：US20220352268A1

公开(公告)日：2022-11-03

申请号：US17570379

申请日：2022-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Ki Seong SEO ,  Jin Woo CHOI ,  Sung Eun BAEK

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50

Abstract: A display device includes a substrate, a pixel electrode disposed on the substrate, a bank covering an edge of the pixel electrode and defining a light-emitting area, a first organic layer disposed on the bank and non-overlapping the light-emitting area, a plurality of light-emitting elements arranged on the pixel electrode, where each of the plurality of light-emitting elements extends perpendicular to the pixel electrode, a planarization layer disposed on the pixel electrode, the bank and the first organic layer, where the planarization layer is filled between the plurality of light-emitting elements, and a common electrode disposed on the planarization layer and the plurality of light-emitting elements, where the first organic layer is disposed between the bank and the planarization layer, and overlaps the bank.

公开(公告)号：US20220352246A1

公开(公告)日：2022-11-03

申请号：US17670304

申请日：2022-02-11

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Kook PARK ,  Jin Taek PARK ,  Sung Eun BAEK ,  Dae Ho SONG ,  Hyung Il JEON

IPC: H01L27/15 ,  H01L33/10 ,  H01L33/38 ,  H01L33/50

Abstract: A display device includes a first substrate, a plurality of light-emitting elements on the first substrate and spaced from each other, wherein each of the plurality of light-emitting elements extends in a thickness direction of the first substrate, a common electrode on the first substrate and the plurality of light-emitting elements, a first insulating layer on the common electrode and the plurality of light-emitting elements, and a first reflective layer on side surfaces of the plurality of light-emitting elements with the first insulating layer therebetween, wherein the common electrode is in contact with a portion of the side surface of each of the plurality of light-emitting elements.

公开(公告)号：US20250072171A1

公开(公告)日：2025-02-27

申请号：US18949120

申请日：2024-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Woo CHOI ,  Sung Kook PARK ,  Sung Eun BAEK ,  Byung Choon YANG ,  So Yeon YOON

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/42 ,  H01L33/62

Abstract: A display device includes a pixel electrode disposed on a substrate and including a reflective electrode layer and an upper electrode layer, a contact electrode disposed on the pixel electrode, light-emitting elements disposed on the contact electrode and disposed perpendicular to the pixel electrode, a planarization layer disposed on the pixel electrode, the planarization layer filling a space between the light-emitting elements, and a common electrode disposed on the planarization layer and the light-emitting elements, and a size of the contact electrode is equal to a size of each of the light-emitting elements in a plan view, and the upper electrode layer is disposed on the reflective electrode layer and is in a polycrystalline phase.