公开(公告)号：US20210111303A1

公开(公告)日：2021-04-15

申请号：US16937255

申请日：2020-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/40 ,  H01L33/42

Abstract: A method of manufacturing a display device includes: forming a first electrode on a substrate; forming an insulating layer on the substrate and on the first electrode;
providing light emitting elements in the insulating layer, each of the light emitting elements having a long axis and a short axis crossing the long axis and being configured to emit light; aligning the light emitting elements such that one end of each of the light emitting elements faces the substrate and the long axis of each of the light emitting elements is arranged in a direction from the substrate toward the insulating layer; patterning the insulating layer to form an insulating pattern exposing another end of each of the light emitting elements; and forming a second electrode electrically connected to the exposed other end of each of the light emitting elements.

公开(公告)号：US20240145643A1

公开(公告)日：2024-05-02

申请号：US18494692

申请日：2023-10-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek KIM ,  Ki Nyeng KANG ,  Veidhes BASRUR ,  Ock Soo SON ,  Yong Tae CHO

IPC: H01L33/50 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/507 ,  H01L25/167 ,  H01L27/1248 ,  H01L27/1259 ,  H01L33/502 ,  H01L2933/0041

Abstract: A display device includes a substrate including a display area and a first surface and a second surface opposite each other; and pixels in the display area and including an emission area and a non-emission area, respectively. Each of the pixels may include: a pixel circuit layer including one or more transistors on the first surface of the substrate in the non-emission area, and a first insulating layer, a second insulating layer, a third insulating layer and a fourth insulating layers that are sequentially stacked on the first surface of the substrate and respectively include an opening exposing the first surface of the substrate in the emission area; an optical layer on the pixel circuit layer; and a light emitting element layer on the optical layer. The optical layer may fill the opening of each of the first to fourth insulating layers in at least the emission area.

公开(公告)号：US20230402570A1

公开(公告)日：2023-12-14

申请号：US18116944

申请日：2023-03-03

Applicant: Samsung Display Co., LTD.

Inventor： Byeong Hoon CHO ,  Hyun KIM ,  Jin Taek KIM

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/50 ,  H01L25/075

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L33/505 ,  H01L25/0753

Abstract: A display device includes a first bank defining an emission area, a first bank pattern, a second bank pattern, and a third bank pattern, each disposed in the emission area, arranged in a first direction, and extending in a second direction intersecting the first direction, a first electrode, a second electrode, and a third electrode respectively overlapping the first, second, and third bank patterns in a plan view, and light emitting elements arranged between the first electrode and the second electrode and between the second electrode and the third electrode. The second bank pattern is discontinuously disposed.

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：US20230253442A1

公开(公告)日：2023-08-10

申请号：US18186917

申请日：2023-03-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Taek KIM ,  Jin Yeong KIM ,  Soo Hyun MOON ,  Sang Ho PARK ,  Seung Min LEE ,  Jin Woo LEE ,  Tae Hoon YANG

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/06 ,  G09G3/32 ,  H01L33/38

CPC classification number: H01L27/156 ,  H01L33/62 ,  H01L33/06 ,  G09G3/32 ,  H01L33/387 ,  G09G2310/0278

Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.

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：US20220415864A1

公开(公告)日：2022-12-29

申请号：US17903551

申请日：2022-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Mi Jin PARK ,  Jin Woo LEE ,  Kwang Taek HONG

IPC: H01L25/075 ,  H01L33/38 ,  H01L25/16 ,  H01L33/24 ,  H01L33/44

Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.