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公开(公告)号：US20230030101A1
公开(公告)日：2023-02-02
申请号：US17692575
申请日：2022-03-11
Applicant: Samsung Display Co., LTD.
Inventor： Sung Geun Bae , Jang Soon Park , Hyun Wook Lee , Da Sol Jeong , Won Hyeong Heo
Abstract: A display device includes a first electrode and a second electrode on a substrate spaced apart from each other, a first insulating layer on the first and second electrodes, wall patterns on the first insulating layer and overlapping the first electrode and the second electrode, a second insulating layer on the first insulating layer and overlapping the wall patterns, light-emitting elements directly on the second insulating layer and between the wall patterns, a bank layer on the first insulating layer and surrounding an area including the light-emitting elements, and a first connecting electrode on the first electrode electrically contacting the light-emitting elements, and a second connecting electrode on the second electrode electrically contacting the light-emitting elements, the first insulating layer includes an organic insulating material, and the second insulating layer includes an inorganic insulating material.
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公开(公告)号：US12191424B2
公开(公告)日：2025-01-07
申请号：US17150499
申请日：2021-01-15
Applicant: Samsung Display Co., LTD.
Inventor： Jeong Hyun Lee , Sung Geun Bae , Myeong Hun Song , Jong Chan Lee , Tae Hee Lee , Kyung Ah Choi
Abstract: A display device includes a pixel, which includes at least one first light emitting element disposed between a first electrode and a second electrode; at least one second light emitting element disposed between a second electrode and a third electrode; at least one third light emitting element disposed between a third electrode and a fourth electrode; a first intermediate electrode disposed on the second electrode and electrically connected to the at least one first light emitting element and the at least one second light emitting element; and a second intermediate electrode disposed on the fourth electrode and electrically connected to the at least one third light emitting elements. The first intermediate electrode and the second intermediate electrode are electrically connected to each other.
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公开(公告)号：US12080749B2
公开(公告)日：2024-09-03
申请号：US17347222
申请日：2021-06-14
Applicant: Samsung Display Co., Ltd.
Inventor： Myeong Hun Song , Sung Geun Bae , Sung Jin Lee , Jong Chan Lee , Tae Hee Lee , Kyung Ah Choi
CPC classification number: H01L27/156 , H01L33/387
Abstract: A pixel may include a substrate, a dummy insulating pattern on the substrate, a first electrode on the substrate and including a (1-1)th electrode and a (1-2)th electrode that are spaced from each other and aligned with each other along a first direction, a second electrode spaced from the first electrode in a second direction different from the first direction, and including a (2-1)th electrode and a (2-2)th electrode that are spaced from each other and aligned with each other along the first direction, a plurality of light emitting elements electrically connected to the first electrode and the second electrode and emitting light, and a first insulating layer on each of the light emitting elements. Here, the dummy insulating pattern may be connected to one end of at least one of the (1-1)th electrode and the (1-2)th electrode that are aligned with each other along the first direction.
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公开(公告)号：US12219818B2
公开(公告)日：2025-02-04
申请号：US17519145
申请日：2021-11-04
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sung Geun Bae , Jang Soon Park , Jeong Hyun Lee , Jong Chan Lee , Da Sol Jeong , Won Hyeong Heo
IPC: H01L27/32 , H10K59/122
Abstract: A display device includes a plurality of outer banks extending in a first direction and are spaced from one another in a second direction that intersects the first direction, first and second bank parts spaced from the plurality of outer banks in the second direction between the outer banks, and spaced from each other in the first direction, first and second inner banks extending in the first direction between the plurality of outer banks, the first and second inner banks being spaced from each other in the second direction, first and second electrodes on the first and second inner banks, respectively, and spaced from each other in the second direction, light-emitting elements having first end portions on one of the first and second electrodes, the light-emitting elements being arranged along the first direction, and a first insulating layer including a first pattern portion between the first and second inner banks.
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Patent Agency Ranking
公开(公告)号：US11817432B2
公开(公告)日：2023-11-14
申请号：US17313490
申请日：2021-05-06
Applicant: Samsung Display Co., LTD.
Inventor： Sung Geun Bae , Jeong Nyun Kim , Zu Seok Oh , Jeong Hyun Lee , Jong Chan Lee , Da Sol Jeong
IPC: H01L25/075 , H01L27/12 , H01L33/58 , H01L33/60 , H01L33/50
CPC classification number: H01L25/0753 , H01L27/1214 , H01L33/507 , H01L33/58 , H01L33/60 , H01L2933/0091
Abstract: A display device includes a base layer including a display area, a first pixel, a second pixel, and a third pixel disposed in the display area and including light-emitting elements disposed in light-emitting areas, a first light conversion layer, a second light conversion layer, and a third light conversion layer on the light-emitting areas of the first pixel, the second pixel, and the third pixel, respectively, a light blocking layer between the first, second and third light conversion layers, and having a height lower than the first, second, and third light conversion layers, the light blocking layer surrounding a portion of side surfaces of the first, second and third light conversion layers, and a first reflective layer disposed on the light blocking layer and surrounding the first, second and third light conversion layers.
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公开(公告)号：US11705478B2
公开(公告)日：2023-07-18
申请号：US17179906
申请日：2021-02-19
Applicant: Samsung Display Co., LTD.
Inventor： Jong Chan Lee , Jeong Nyun Kim , Jung Gun Nam , Sung Geun Bae , Sung Jin Lee , Tae Hee Lee
IPC: H01L27/15 , H01L25/075 , H01L33/38 , H01L33/58
CPC classification number: H01L27/156 , H01L25/0753 , H01L33/38 , H01L33/58
Abstract: A display device includes a first pixel including a first light emitting area in which first light emitting elements are arranged, a second pixel including a second light emitting area in which second light emitting elements are arranged, a light blocking pattern disposed on the first and second pixels to overlap a peripheral area of the first and second light emitting areas and including a first opening corresponding to the first light emitting area and a second opening corresponding to the second light emitting area, and a color filter including a first color filter pattern disposed in the first opening and a second color filter pattern disposed in the second opening. The second pixel includes a greater number of second light emitting elements than a number of the first light emitting elements. The second opening has an area smaller than an area of the first opening.
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公开(公告)号：US12218297B2
公开(公告)日：2025-02-04
申请号：US17719149
申请日：2022-04-12
Applicant: Samsung Display Co., LTD.
Inventor： Jeong Hyun Lee , Jang Soon Park , Sung Geun Bae , Da Sol Jeong , Won Hyeong Heo
Abstract: Provided is a display device comprising a substrate, a first active layer on the substrate and extending along a first direction, and a first conductive layer between the substrate and the first active layer, and including a first conductive pattern and a second conductive pattern spaced apart from each other in the first direction, wherein the first active layer conformally reflects a step difference of the first conductive layer, and includes a branched structure in a space between the first conductive pattern and the second conductive pattern.
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公开(公告)号：US12170272B2
公开(公告)日：2024-12-17
申请号：US17494312
申请日：2021-10-05
Applicant: Samsung Display Co., LTD.
Inventor： Jong Chan Lee , Jeong Hyun Lee , Hyun Kim , Jung Gun Nam , Jang Soon Park , Jeong Su Park , Sung Geun Bae , Myeong Hun Song , Da Sol Jeong , Won Hyeong Heo
Abstract: A display device and a method of fabricating a display device. The display device includes a substrate including an emission area and a subarea adjacent to the emission area, a bank disposed in the emission area of the substrate, a height difference compensation pattern disposed in the subarea of the substrate, a first electrode and a second electrode that are disposed on the bank, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed in the emission area, between the first electrode and the second electrode.
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公开(公告)号：US12015035B2
公开(公告)日：2024-06-18
申请号：US17369398
申请日：2021-07-07
Applicant: Samsung Display Co., LTD.
Inventor： Jeong Hyun Lee , Jeong Nyun Kim , Jong Chan Lee , Sung Geun Bae
IPC: H01L27/12 , G02F1/1333 , G02F1/135 , G02F1/1676 , H01L33/00
CPC classification number: H01L27/1262 , G02F1/133345 , G02F1/1357 , G02F1/1676 , H01L27/124 , H01L33/005
Abstract: A method of manufacturing a display device includes forming an uncut electrode on a substrate, at least a portion of the uncut electrode being formed in a non-emission area; disposing a first insulating layer to overlap the uncut electrode; removing at least a portion of the first insulating layer in the non-emission area; cutting the at least a portion of the uncut electrode in the non-emission area; disposing light emitting elements including a first light emitting element in an emission area and a second light emitting element in the non-emission area; and disposing a second insulating layer to overlap the emission area and the non-emission area. The second light emitting element is disposed in the non-emission area where the uncut electrode is not disposed. Also provided is a display device manufactured by the method.
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