公开(公告)号：US20210391380A1

公开(公告)日：2021-12-16

申请号：US17284319

申请日：2019-04-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing LI ,  Tae Jin KONG ,  Hee Keun LEE ,  Dae Hyun KIM ,  Hyun Min CHO ,  Chang Il TAE

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A light emitting device may include a first electrode disposed on a substrate; a first insulating layer disposed on the substrate and overlapping at least a part of the first electrode; a second electrode disposed on the first insulating layer and spaced apart from the first electrode; and at least one light emitting diode electrically connected between the first electrode and the second electrode. The first electrode and the second electrode may be disposed on different layers on the substrate, the first insulating layer is disposed between the first electrode and the second electrode, and the first electrode and the second electrode are spaced apart from each other so as not to overlap each other in a plan view.

公开(公告)号：US20210358393A1

公开(公告)日：2021-11-18

申请号：US17277264

申请日：2019-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sin Chul KANG ,  Won Sik OH ,  Yo Han LEE ,  Hee Keun LEE ,  Hyun Min CHO

IPC: G09G3/32 ,  H01L33/62 ,  H01L25/075 ,  H01L33/00

Abstract: A method for manufacturing a display device including a substrate including a display area and a non-display area located outside the display area, the display area including pixel areas, is provided. First switching elements are formed in the pixel areas, respectively, and a circuit element layer that includes reference voltage wire in the non-display area and electrically connected to the first switching elements is formed. Pixel electrodes that include first pixel electrodes in the pixel areas on the circuit element layer, respectively, and electrically connected through the first switching elements to the reference voltage wire, and second pixel electrodes facing the first pixel electrodes, are formed. A plurality of light emitting elements are arranged between the first pixel electrodes and the second pixel electrodes. A first source voltage is applied to the reference voltage wire and a second source voltage is applied to the second pixel electrodes

公开(公告)号：US20210167253A1

公开(公告)日：2021-06-03

申请号：US17263391

申请日：2019-01-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Veidhes BASRUR ,  Xinxing LI ,  Hee Keun LEE ,  Chang Il TAE ,  Tae Jin KONG ,  Myeong Hee KIM

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/00 ,  H01L33/40

Abstract: A light emitting device includes first and second electrodes disposed on a substrate and spaced apart from each other; at least one light emitting diode disposed between the first and second electrodes; an insulating pattern overlapping an upper portion of the at least one light emitting diode and exposing first and second ends of the at least one light emitting diode; a first contact electrode electrically connecting the first end of the at least one light emitting diode to the first electrode; and a second contact electrode electrically connecting the second end of the at least one light emitting diode to the second electrode. The insulating pattern may completely overlap the first and second ends of the at least one light emitting diode in a plan view, and have a width reducing toward a lower portion of the insulating pattern.

公开(公告)号：US20240355790A1

公开(公告)日：2024-10-24

申请号：US18758503

申请日：2024-06-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Je Won YOO ,  Xinxing LI ,  Hee Keun LEE ,  Bek Hyun LIM ,  Hyun Min CHO ,  Chang Il TAE

IPC: H01L25/075 ,  B82B3/00 ,  G09G3/32 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L25/0753 ,  B82B3/0052 ,  H01L27/1214 ,  H01L33/0062 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32 ,  G09G2300/0842 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.

公开(公告)号：US20240079529A1

公开(公告)日：2024-03-07

申请号：US18297748

申请日：2023-04-10

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hyun HAM ,  Moon Jung AN ,  Jin Seok PARK ,  Hee Keun LEE ,  Sung Chan JO ,  Sang Wook HAN

IPC: H01L33/46 ,  H01L25/16

CPC classification number: H01L33/46 ,  H01L25/167

Abstract: A light-emitting element includes a first semiconductor layer, a light-emitting layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, a device electrode layer disposed on the second semiconductor layer, a reflective electrode layer disposed on the device electrode layer, an insulating film surrounding a side surface of the light-emitting layer, a side surface of the second semiconductor layer, and a side surface of the device electrode layer, and a reflective layer surrounding a side surface of the insulating film, wherein the side surface of the device electrode layer is aligned with a side surface of the reflective electrode layer.

公开(公告)号：US20220068901A1

公开(公告)日：2022-03-03

申请号：US17413324

申请日：2019-06-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Myeong Hee KIM ,  Hee Keun LEE

IPC: H01L25/16 ,  H01L27/12 ,  H01L33/60

Abstract: A display device includes a base layer including a display area and a non-display area; and pixels disposed in the display area, each of the pixels including sub-pixels. Each of the sub-pixels includes a pixel circuit layer and a display element layer disposed on the pixel circuit layer. The display element layer includes a partition wall disposed in each of the sub-pixels; a bank disposed between adjacent ones of the sub-pixels; a first electrode and a second electrode disposed on the partition wall and spaced apart from each other; a reflective pattern disposed on the bank; and at least one light emitting element disposed between the first electrode and the second electrode.

公开(公告)号：US20210407970A1

公开(公告)日：2021-12-30

申请号：US17210985

申请日：2021-03-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Ki Nyeng KANG ,  Jin Taek KIM ,  Tae Woo KIM ,  Hee Keun LEE ,  Kyung Tae CHAE

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

Abstract: A pixel may include a pixel circuit layer including at least one transistor and a first electrode disposed on a substrate, and a first insulating layer disposed on the at least one transistor and the first electrode, and a display element layer disposed on the pixel circuit layer, the display element layer including a second electrode electrically connected to the at least one transistor, and a plurality of light emitting elements electrically connected to each of the first and second electrodes. The first electrode and the second electrode may be disposed on different layers and may be spaced apart from each other. The plurality of light emitting elements may overlap the first and second electrodes in a plan view and a cross-sectional view.

公开(公告)号：US20210265324A1

公开(公告)日：2021-08-26

申请号：US17261414

申请日：2019-01-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Hee Keun LEE ,  Xinxing LI ,  Hyun Min CHO ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Chang Il TAE

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/24 ,  H01L33/62

Abstract: A light emitting device may include: a substrate including emission areas; a first electrode disposed on the substrate; a second electrode disposed on the substrate and spaced apart from the first electrode; light emitting elements disposed on the substrate, each of the light emitting elements including a first end and a second end in a longitudinal direction of the light emitting elements; a bank disposed in each of the emission areas and including openings in which portions of each of the unit emission areas are exposed; a first contact electrode that electrically connects the first electrode with the first end of each of the light emitting elements; and a second contact electrode that electrically connects the second electrode with the second end of each of the light emitting elements. At least one of the light emitting elements may be disposed in each of the openings.

公开(公告)号：US20200273906A1

公开(公告)日：2020-08-27

申请号：US16461780

申请日：2019-01-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xin Xing LI ,  Tae Jin KONG ,  Hee Keun LEE ,  Hyun Min CHO ,  Chang II TAE

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

Abstract: A display device includes at least one first and second electrodes extending in a first direction, at least one first and second light emitting elements disposed therebetween, a first contact electrode partially covering the first electrode and contacting a first end of the first light emitting element, a second contact electrode partially covering the second electrode and contacting a third end of the second light emitting element, and a third contact electrode disposed between the first and second contact electrodes and contacting a second end of the first light emitting element and a fourth end of the second light emitting element, in which a distance between the first and second electrodes is greater than a longitudinal length of at least one of the first and second light emitting elements, and the first and second light emitting elements are connected in series between the first and second electrodes.

公开(公告)号：US20190377223A1

公开(公告)日：2019-12-12

申请号：US16247379

申请日：2019-01-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Keun LEE ,  Won Tae KIM ,  Yeo Geon YOON ,  Seung Jin CHU

IPC: G02F1/1335 ,  H01L27/32

Abstract: A display device includes: a light provider; a wavelength conversion layer above the light provider and including a first surface and sides; and a capping layer on the wavelength conversion layer and including a first area provided on the sides of the wavelength conversion layer and a second area provided on the first surface of the wavelength conversion layer, and the first area of the capping layer includes cracks.