公开(公告)号：US12046586B2

公开(公告)日：2024-07-23

申请号：US17269737

申请日：2019-02-20

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 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32

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：US11749783B2

公开(公告)日：2023-09-05

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 ,  H01L27/15 ,  H01L33/00 ,  H01L33/40 ,  H01L33/62

CPC classification number: H01L33/387 ,  H01L27/156 ,  H01L33/005 ,  H01L33/405 ,  H01L33/62 ,  H01L2933/0016

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：US10707276B2

公开(公告)日：2020-07-07

申请号：US16204723

申请日：2018-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Won Tae Kim ,  Tae Jin Kong ,  Hee-Keun Lee ,  Seung-Jin Chu

IPC: H01L27/32 ,  G02F1/13357 ,  G02F1/1335

Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a thin film transistor panel comprising a display area and a peripheral area; and a color conversion panel overlapping the thin film transistor panel, wherein the color conversion panel includes: a substrate; a color conversion layer; a first organic layer disposed between the color conversion layer and the thin film transistor panel; a second organic layer disposed between the first organic layer and the thin film transistor panel; and a polarization layer disposed between the second organic layer and the thin film transistor panel, wherein the first organic layer overlaps the display area and the peripheral area, and the second organic layer overlaps the display area.

公开(公告)号：US10127880B2

公开(公告)日：2018-11-13

申请号：US15180220

申请日：2016-06-13

Applicant: Samsung Display Co. Ltd.

Inventor： Hoon Kim ,  Sang Gyun Kim ,  Tae Jin Kong ,  Kyung Min Kim ,  Kyeong Jong Kim ,  Ki Chul Shin

IPC: G09G5/10 ,  G09G3/36 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1333

Abstract: A liquid-crystal display device includes a display panel connected to first to nth gate lines and first to nth control lines, where n is a natural number greater than one, and a gate driving unit which sequentially applies first to nth gate signals having a first pulse width to the first to nth gate lines, respectively, for a unit frame, where the first to nth control lines are sorted into first to kth control line groups, where k is a natural number greater than one and less than n, the gate driving unit sequentially applies first to kth control signals having a second pulse width to the first to kth control line group, respectively, for the unit frame, and the first pulse width is smaller than the second pulse width.

公开(公告)号：US12107191B2

公开(公告)日：2024-10-01

申请号：US17609882

申请日：2020-03-30

Applicant: Samsung Display Co., LTD.

Inventor： Je Won Yoo ,  Tae Jin Kong ,  Hee Keun Lee ,  Hyun Min Cho

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

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016

Abstract: Provided are a display device and a manufacturing method thereof. The display device comprises: a substrate; a first electrode and a second electrode disposed on the substrate to be spaced apart from each other; a first insulating layer disposed on the substrate so as to cover at least a portion of the first electrode and the second electrode; and at least one first light emitting element disposed between the first electrode and the second electrode, on the first insulating layer. The first insulating layer comprises: a first sub-insulating layer comprising a first portion including a hydrophilic material and a second portion which is a region of the first insulating layer except for the first portion and includes a hydrophobic material; and a second sub-insulating layer disposed below the first sub-insulating layer, and at least a portion of the at least one first light emitting element is disposed on the first portion.

公开(公告)号：US12068356B2

公开(公告)日：2024-08-20

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

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L2933/0016

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：US12033986B2

公开(公告)日：2024-07-09

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 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L33/62 ,  H01L2933/0066

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：US11855053B2

公开(公告)日：2023-12-26

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

CPC classification number: H01L25/167 ,  H01L27/124 ,  H01L27/1248 ,  H01L27/1259 ,  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：US11737330B2

公开(公告)日：2023-08-22

申请号：US17243200

申请日：2021-04-28

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Jin Kong ,  Ock Soo Son ,  Kang Young Lee ,  Xin Xing Li

IPC: H10K50/854 ,  H10K59/38 ,  H10K59/18

CPC classification number: H10K59/18 ,  H10K50/854 ,  H10K59/38

Abstract: A tiled display device includes: a first display device including: a first display substrate having a plurality of light emitting areas; and a second color conversion substrate comprising a plurality of light transmitting areas respectively corresponding to the light emitting areas and comprising a light scattering material and a plurality of light blocking areas between the light transmitting areas; a second display device comprising a second display substrate and a second color conversion substrate, the second display device being at a side of the first display device; and a light scattering member between the first display device and the second display device and comprising a light scattering material, wherein an external light reflectance of the light scattering member is higher than an average value of an external light reflectance of the light transmitting areas and an external light reflectance of the light blocking areas.

公开(公告)号：US11152424B2

公开(公告)日：2021-10-19

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 Il Tae

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  H01L33/60

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.