公开(公告)号：US20200171787A1

公开(公告)日：2020-06-04

申请号：US16784650

申请日：2020-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Ik LIM ,  Jin Woo CHOI

IPC: B32B5/18 ,  H05K5/00 ,  B32B7/02 ,  H01L51/00 ,  B32B37/06 ,  B32B27/06

Abstract: A display device includes: a display panel including a display area and a non-display area that extends from an end of the display area and is bent toward the display area; and a passivation film including a first film portion that is attached to a surface of the non-display area and is bent toward the display area, and a second film portion that is attached to a surface of the display area, and a modulus of the first film portion is lower than a modulus of the second film portion.

公开(公告)号：US20240312964A1

公开(公告)日：2024-09-19

申请号：US18544881

申请日：2023-12-19

Applicant: Samsung Display Co., LTD.

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

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/50 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/124 ,  H01L33/505 ,  H01L33/62

Abstract: A display device includes comprises a substrate comprising a display area and a non-display area, a pixel electrode located on the substrate, a light-emitting element located on the pixel electrode and extending in a thickness direction of the substrate, a color conversion layer located on the light-emitting element and comprising wavelength conversion particles that convert first light emitted from the light-emitting element into second light or third light and a common electrode located on the light-emitting element and surrounding side surfaces of the color conversion layer and side surfaces of the light-emitting element.

公开(公告)号：US20240170605A1

公开(公告)日：2024-05-23

申请号：US18426333

申请日：2024-01-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Sung Kook PARK ,  Dae Ho SONG ,  So Yeon YOON ,  Joo Woan CHO

IPC: H01L33/00 ,  H01L25/075

CPC classification number: H01L33/0095 ,  H01L25/0753 ,  H01L33/0093 ,  H01L2933/0016

Abstract: A manufacturing apparatus of a display device, includes: a first unit to transfer a plurality of light emitting elements on a growth substrate to a first film; a second unit to expand the first film; a third unit to retransfer the plurality of light emitting elements to a second film; a fourth unit to determine positions of the plurality of light emitting elements on the second film; a fifth unit to bin the light emitting elements on the second film, and determine an effective light source from among the light emitting elements; a sixth unit to form a plurality of pixels on a substrate, each pixel including a first bonding electrode; a seventh unit to remove the second film after transferring one light emitting element to the first bonding electrode of one pixel; and an eighth unit to form a second electrode on the one light emitting element.

公开(公告)号：US20230135600A1

公开(公告)日：2023-05-04

申请号：US17841449

申请日：2022-06-15

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek PARK ,  Duk Sung KIM ,  Soo Chul KIM ,  Dae Ho SONG ,  Byeong Hwa CHOI ,  Jin Woo CHOI

IPC: H01L33/38 ,  H01L33/42 ,  H01L33/04 ,  H01L33/50 ,  H01L33/00

Abstract: A light emitting element, a display device including the same, and method of fabricating the display device are provided. The display device including a pixel electrode on a substrate, a light emitting element on the pixel electrode, and including a first semiconductor layer, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer, a connection electrode layer between the light emitting element and the pixel electrode, and directly contacting the pixel electrode, an insulating layer on the substrate and the pixel electrode, and surrounding the light emitting element, and a common electrode on the insulating layer directly contacting the second semiconductor layer of the light emitting element.

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：US20220359788A1

公开(公告)日：2022-11-10

申请号：US17552152

申请日：2021-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Sung Kook PARK ,  Dae Ho SONG ,  Tae Hee LEE ,  Hae Yun CHOI

IPC: H01L33/38 ,  H01L33/50 ,  H01L33/10 ,  H01L27/15 ,  H01L33/32 ,  H01L33/00

Abstract: There is provided a display device comprising a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and extending in a thickness direction of the substrate, a common electrode on the light emitting element, a wavelength conversion layer on the common electrode, including wavelength conversion particles for converting first light emitted from the light emitting element into second light, and a selective transmission film on an upper surface and on sides of the wavelength conversion layer, and configured to reflect the first light, and to transmit the second light.

公开(公告)号：US20220352437A1

公开(公告)日：2022-11-03

申请号：US17563488

申请日：2021-12-28

Applicant: Samsung Display Co., LTD.

Inventor： Dae Ho SONG ,  Min Woo KIM ,  Hyung Il JEON ,  Jin Woo CHOI ,  Sung Kook PARK ,  So Yeon YOON

IPC: H01L33/56 ,  H01L25/16 ,  H01L33/50 ,  H01L33/60

Abstract: A display device includes a bank disposed on a substrate, a light emitting element disposed in a light emitting area partitioned by the bank on the substrate, and extended in a thickness direction of the substrate, a wavelength conversion layer disposed on the light emitting element in the light emitting area and converting a wavelength of light emitted from the light emitting element, and a protective film disposed between the light emitting element and the wavelength conversion layer in the light emitting area. The protective film is disposed between at least one side of the light emitting element and at least one side of the bank which face each other.