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公开(公告)号：US20210384274A1
公开(公告)日：2021-12-09
申请号：US17225988
申请日：2021-04-08
Applicant: Samsung Display Co., Ltd.
Inventor： Jea Heon AHN , Keun Chan OH , Jeong Ki KIM , Jong-Hoon KIM , Ji Seong YANG
Abstract: A display device includes a substrate including a light emitting area and a light blocking area that surrounds the light emitting area, and a bank structure disposed in the light blocking area and having an opening that corresponds to the light emitting area. The bank structure has a concave portion that is formed on an upper surface.
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公开(公告)号：US20210384271A1
公开(公告)日：2021-12-09
申请号：US17157210
申请日：2021-01-25
Applicant: Samsung Display Co., LTD.
Inventor： Jea Heon AHN , Jeong Ki KIM , Seong Yeon LEE , Si Wan JEON , Tae Hyung HWANG
IPC: H01L27/32
Abstract: A display device includes a first light emitting element on a first substrate and overlapping a first effective pixel area; test light emitting elements on the first substrate and overlapping the test pixel area; a first color filter on a second substrate and overlapping the first light emitting element; a first wavelength conversion pattern on the first color filter and overlapping the first color filter and the first light emitting element; a first test color filter on the second substrate and overlapping one of the test light emitting elements; and a first test wavelength conversion pattern on the second substrate and overlapping another one of the test light emitting elements. The first test wavelength conversion pattern and the first wavelength conversion pattern include a same first wavelength conversion material, and the first test color filter and the first color filter include a same first color colorant.
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公开(公告)号：US20240049552A1
公开(公告)日：2024-02-08
申请号：US18257292
申请日：2021-11-15
Applicant: Samsung Display Co., LTD.
Inventor： Jang Il KIM , Kyoung Hae MIN , Jea Heon AHN , Seong Yeon LEE , Si Wan JEON , Seok Joon HONG
IPC: H10K59/38 , H10K59/126 , H10K59/122
CPC classification number: H10K59/38 , H10K59/126 , H10K59/122 , H10K2102/351
Abstract: A display device includes a display substrate and a color conversion substrate. The color conversion substrate includes: a second base substrate in which first to third light transmitting areas, and a light blocking area between adjacent light transmitting areas are defined, a first bank in the light blocking area, a first low refractive index layer between the second base substrate and the display substrate and covering the first bank. The color conversion substrate further includes a first wavelength conversion pattern in the first light transmitting area, a second wavelength conversion pattern in the second light transmitting area, and a light transmission pattern in the third light transmitting area, which are between the first low refractive index layer and the display substrate. The first low refractive index layer has a refractive index lower than at least one of the first wavelength conversion pattern or the second wavelength conversion pattern.
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公开(公告)号：US20230371300A1
公开(公告)日：2023-11-16
申请号：US18226207
申请日：2023-07-25
Applicant: Samsung Display Co., Ltd.
Inventor： Jea Heon AHN , Jang Soo KIM , Jong Hoon KIM , Seong Yeon LEE , Si Wan JEON , Seok Joon HONG
IPC: H01L33/00
CPC classification number: H10K50/8428 , H10K71/00
Abstract: A display device is provided. An embodiment of a display device includes a first substrate, a second substrate disposed on the first substrate, first and second partition walls disposed on the second substrate, the second partition wall being disposed outside the first partition wall, a first trench disposed inside the first partition wall and having a first width, a second trench disposed between the first and second partition walls and having a second width greater than the first width; an alignment key disposed to overlap the second trench; a first spacer disposed on the alignment key, and a sealing member disposed along an edge between the first substrate and the second substrate without overlapping the alignment key, wherein the first spacer partially overlaps the first partition wall, the second partition wall, and the sealing member.
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公开(公告)号：US20210327973A1
公开(公告)日：2021-10-21
申请号：US17106227
申请日：2020-11-30
Applicant: Samsung Display Co., Ltd.
Inventor： Jea Heon AHN , Seok Joon HONG , Myoung Jong LEE , Jeong Ki KIM
IPC: H01L27/32
Abstract: A display device is provided. The display device comprises a substrate including a display area and a non-display area, the non-display area including an alignment region, and a first alignment key and a second alignment key which are disposed in the alignment region, wherein each of the first alignment key and the second alignment key includes an alignment pattern having a main portion, a reference portion protruding from the main portion, and at least one sub-protrusion portion protruding from the main portion and spaced apart from the reference portion, and wherein the reference portions for the first alignment key and the second alignment key are arranged at a same position as each other, and the protrusion portions are arranged at different positions from each other.
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Patent Agency Ranking
公开(公告)号：US20240099074A1
公开(公告)日：2024-03-21
申请号：US18520805
申请日：2023-11-28
Applicant: Samsung Display Co., LTD.
Inventor： Jeong Ki KIM , Won Ji GU , Jong Hoon KIM , Jea Heon AHN , Ji Seong YANG , Hwa Yeul OH
IPC: H10K59/122 , H10K59/35 , H10K59/38 , H10K71/00
CPC classification number: H10K59/122 , H10K59/353 , H10K59/38 , H10K71/00
Abstract: A display device includes a first display substrate including a light emitting element which emits light of a first color or light of a second color different from the first color, a second display substrate including in order toward the first display substrate, a layer including both a bank layer defining an opening and a wavelength control pattern in the opening, a capping layer covering the wavelength control pattern and the bank layer, and a color absorbing layer which corresponds to the bank layer and blocks the light of the first color and the light of the second color. The capping layer includes a first area corresponding to the color absorbing layer, the bank layer includes a second area corresponding to the color absorbing layer, and the first area of the capping layer is between the color absorbing layer and the second area of the bank layer.
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公开(公告)号：US20210399254A1
公开(公告)日：2021-12-23
申请号：US17341525
申请日：2021-06-08
Applicant: Samsung Display Co., Ltd.
Inventor： Jea Heon AHN , Jang Soo KIM , Jong Hoon KIM , Seong Yeon LEE , Si Wan JEON , Seok Joon HONG
Abstract: A display device is provided. An embodiment of a display device includes a first substrate, a second substrate disposed on the first substrate, first and second partition walls disposed on the second substrate, the second partition wall being disposed outside the first partition wall, a first trench disposed inside the first partition wall and having a first width, a second trench disposed between the first and second partition walls and having a second width greater than the first width; an alignment key disposed to overlap the second trench; a first spacer disposed on the alignment key, and a sealing member disposed along an edge between the first substrate and the second substrate without overlapping the alignment key, wherein the first spacer partially overlaps the first partition wall, the second partition wall, and the sealing member.
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公开(公告)号：US20210193742A1
公开(公告)日：2021-06-24
申请号：US17033126
申请日：2020-09-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jong-Hoon KIM , Jeong Ki KIM , Jea Heon AHN , MyoungJong LEE
Abstract: A display device having a first substrate including lower electrodes, an upper electrode and a light-emitting layer disposed between the lower electrodes and the upper electrode. A second substrate is combined with the first substrate and defines light-emitting areas. The second substrate includes a color filter layer overlapping the light-emitting areas. A light-blocking member overlaps a light-blocking area surrounding the light-emitting areas. The light-blocking member includes openings overlapping the lower electrodes.
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9.发明申请公开(公告)号：US20230050227A1
公开(公告)日：2023-02-16
申请号：US17788854
申请日：2020-05-13
Applicant: Samsung Display Co., LTD.
Inventor： Jea Heon AHN , Jang Il KIM , Jeong Ki KIM , Yeo Geon YOON , Myoung Jong LEE , Seok Joon HONG
Abstract: A color conversion substrate includes: a base part in which a first light-transmitting area and a second light-transmitting area are defined; a first stack disposed on the base part and a second stack disposed on the first stack; a first wavelength conversion pattern overlapping the second light-transmitting area, and disposed on the second stack, where the first wavelength conversion pattern converts light of a first color into light of a second color; and a light-transmitting pattern overlapping the first light-transmitting area and disposed between the first stack and the second stack, where portions of the first stack and the second stack in the second light-transmitting area are in direct contact with each other to constitute a blue light reflective layer.
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公开(公告)号：US20220115612A1
公开(公告)日：2022-04-14
申请号：US17392739
申请日：2021-08-03
Applicant: Samsung Display Co., LTD.
Inventor： Jea Heon AHN , Jang Soo KIM , Jeong Ki KIM , Jae Cheol PARK
Abstract: A display device includes a pixel; and a first color conversion region, a second color conversion region, and a third color conversion region respectively overlapping a first color pixel, a second color pixel, and a third color pixel and spaced from each other. The third color conversion region is aligned with a region between the first color conversion region and the second color conversion region in a first direction, and the first color conversion region and the second color conversion region are aligned with each other in a second direction crossing the first direction. Part of the first color conversion region is disposed in a second pixel area that is adjacent to the first pixel area in the second direction, and part of the second color conversion region is positioned in a third pixel area that is adjacent to the first pixel area in the second direction.
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