公开(公告)号：US20240038956A1

公开(公告)日：2024-02-01

申请号：US18359758

申请日：2023-07-26

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jun Seok Min ,  Jeong Su PARK ,  Sung Jin LEE ,  Woong Hee JEONG

IPC: H01L33/62 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L27/124

Abstract: A pixel includes: a first conductive pattern, a second conductive pattern, and a third conductive pattern on a substrate and spaced apart from each other; a passivation layer on and exposing each of the first, second, and third conductive patterns; a via layer on the passivation layer and having first, second, and third via holes respectively exposing one area of the first conductive pattern, one area of the second conductive pattern, and one area of the third conductive pattern; first and second alignment electrodes on the via layer and electrically connected to the second conductive pattern and the first conductive pattern, respectively; and a light emitting element on the first and second alignment electrodes. The via layer has a first area and a second area that is thinner than the first area, and the second area is directly adjacent to at least one of the via holes.

公开(公告)号：US20230387143A1

公开(公告)日：2023-11-30

申请号：US18172218

申请日：2023-02-21

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Won Tae KIM ,  Jin Taek KIM ,  Jeong Su PARK ,  Woong Hee JEONG

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L27/1248 ,  H01L25/167 ,  H01L33/62

Abstract: A display device includes: a substrate; a via layer on the substrate; a first electrode and a second electrode on the via layer and spaced apart from each other; a first insulating layer on the first electrode and the second electrode; a bank layer on the first insulating layer and having barrier portions and a bank portion having a greater thickness than the barrier portions; a second insulating layer on the bank layer and the first insulating layer, the second insulating layer overlapping the barrier portions and not overlapping the bank portion; light emitting elements on the second insulating layer and on the first electrode and the second electrode; and a first connection electrode contacting an end of each light emitting element and a second connection electrode contacting another end of the light emitting elements.

公开(公告)号：US20230282684A1

公开(公告)日：2023-09-07

申请号：US18161596

申请日：2023-01-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Sung Jin LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L29/417 ,  H01L29/786 ,  H01L29/66

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  H01L29/41733 ,  H01L29/78633 ,  H01L29/7869 ,  H01L29/66969

Abstract: Provided herein may be a display device and a transistor. The display device may comprise a semiconductor pattern on a substrate and defining a hole, an insulating layer on the semiconductor pattern, and defining an opening area overlapping the hole, a gate electrode, a source electrode contacting a conductive area of the semiconductor pattern through the opening area, and a drain electrode on the insulating layer, electrodes respectively on the gate electrode, the source electrode, and the drain electrode, and spaced apart from each other, and light emitting elements between the electrodes, respectively.

公开(公告)号：US20230163247A1

公开(公告)日：2023-05-25

申请号：US17879566

申请日：2022-08-02

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Jeong Nyun KIM ,  Jeong Su PARK ,  Zu Seok OH ,  Jong Chan LEE

IPC: H01L33/46 ,  H01L27/15 ,  H01L33/24 ,  H01L33/38

CPC classification number: H01L33/46 ,  H01L27/156 ,  H01L33/24 ,  H01L33/38

Abstract: A display device includes a first electrode on a substrate and a second electrode spaced from the first electrode, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer and on the first electrode and the second electrode, a first connection electrode on the first electrode and contacting a first end of each of the plurality of light emitting elements, and a second connection electrode on the second electrode and contacting a second end of each of the plurality of light emitting elements, wherein each of the plurality of light emitting elements includes a first semiconductor layer doped with an n-type dopant, a second semiconductor layer doped with a p-type dopant, a light emitting layer between the first semiconductor layer and the second semiconductor layer, and an insulating film surrounding at least the light emitting layer.

公开(公告)号：US20230148430A1

公开(公告)日：2023-05-11

申请号：US17945220

申请日：2022-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Jin Taek KIM ,  Jeong Su PARK ,  Jong Chan LEE ,  Jung Eun HONG

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

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  H01L33/502 ,  G09G3/32

Abstract: An embodiment provides a display device including a pixel disposed in a display area. The pixel includes a light emitting part that includes a light emitting element, pixel electrodes disposed on a first end portion and a second end portion of the light emitting element, and at least one insulating layer, a light conversion layer disposed on the light emitting part, the light conversion layer including light conversion particles, and a first layer disposed between the light emitting part and the light conversion layer. A refractive index of the first layer is equal to or less than a refractive index of the at least one insulating layer.

公开(公告)号：US20230086576A1

公开(公告)日：2023-03-23

申请号：US17840170

申请日：2022-06-14

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Jeong Su PARK ,  Yoon Jin KIM ,  Jin Taek KIM ,  Jong Chan LEE ,  Jung Eun HONG

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

Abstract: A display device includes a substrate including pixels, a first electrode and a second electrode spaced apart from each other on the substrate, an organic layer disposed on the first electrode and the second electrode, and light emitting elements disposed on the organic layer between the first electrode and the second electrode and the organic layer includes a scatterer.

公开(公告)号：US20230006175A1

公开(公告)日：2023-01-05

申请号：US17714940

申请日：2022-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Kim ,  Jin Taek KIM ,  Jeong Su PARK ,  Jong Chan LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L51/52

Abstract: A display device includes: a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area; a transistor disposed on the substrate; a first electrode electrically connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a first encapsulation inorganic layer, an encapsulation organic layer, and a second encapsulation inorganic layer disposed on the second electrode; and an electronic module disposed in the opening area, wherein in the peripheral area, the second electrode has a first opening exposing the emission layer, and the first encapsulation inorganic layer has a second opening exposing the emission layer.

公开(公告)号：US20220384684A1

公开(公告)日：2022-12-01

申请号：US17692924

申请日：2022-03-11

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Hyun KIM ,  Jeong Su PARK ,  Sung Jin LEE ,  Hyun Wook LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L33/62

Abstract: A display device includes a base layer; a via layer over the base layer, the via layer having a concave groove; a light emitting element in the groove; a first electrode over the via layer; a second electrode over the via layer and spaced from the first electrode; and an anchor over the light emitting element within the groove. A first conductor is in the groove and covers an end of the light emitting element.

公开(公告)号：US20220336709A1

公开(公告)日：2022-10-20

申请号：US17579331

申请日：2022-01-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Wook LEE ,  Hyun KIM ,  Jeong Su PARK ,  Jong Chan LEE ,  Jung Eun HONG

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

Abstract: A display device and a method of manufacturing the same are provided. The display device includes a pixel including an emission area and a non-emission area, a transistor of the pixel, a protective layer on the transistor, and including an opening area overlapping the non-emission area, alignment electrodes on the protective layer and spaced apart from each other, light emitting elements between respective ones of the alignment electrodes in the emission area, and a connection electrode electrically connected to the light emitting elements, and electrically connected to the transistor in the opening area.

公开(公告)号：US20220238758A1

公开(公告)日：2022-07-28

申请号：US17533835

申请日：2021-11-23

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Hyun KIM ,  Jeong Su PARK ,  Jong Chan LEE ,  Hyun Wook LEE

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

Abstract: A display device includes an electrode layer including a first electrode; and a second electrode; light emitting elements on the electrode layer; an insulating layer on the light emitting elements and including openings exposing at least one of ends of a part of the light emitting elements; and a contact electrode corresponding to each of the openings, the insulating layer includes a fixing pattern between the first electrode and the second electrode; a division pattern intersecting the fixing pattern; a connection pattern connecting a first end of the fixing pattern to a first end of the division pattern; and a base portion surrounding the fixing pattern, the division pattern, and the connection pattern, the base portion is connected to a second end of the fixing pattern and a second end of the division pattern and spaced apart from the connection pattern.