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公开(公告)号：US20210005670A1
公开(公告)日：2021-01-07
申请号：US16680724
申请日：2019-11-12
Inventor： Hyunsu CHO , Chan-mo KANG , Byoung-Hwa KWON , CHUNWON BYUN , Jin Wook SHIN , Hyunkoo LEE , Sukyung CHOI
Abstract: A display device according to an embodiment of the inventive concept provides includes a substrate, a green light emitting element group and a blue light emitting element group, which are repeatedly arranged in a first direction parallel to a top surface of the substrate, and a red conversion pattern on the green light emitting element group and the blue light emitting element group. Here, the red conversion pattern overlaps a portion of the green light emitting element group and a portion of the blue light emitting element group in a second direction perpendicular to the top surface of the substrate.
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公开(公告)号：US20250107337A1
公开(公告)日：2025-03-27
申请号：US18618163
申请日：2024-03-27
Inventor： Byoung-Hwa KWON , Chan-mo KANG , Hyungwoo SUH , Jin Wook SHIN , YOONSUNG YOO , Hyunsu CHO , Chul Woong JOO , Sukyung CHOI
IPC: H10K59/122 , H10K59/38 , H10K59/80
Abstract: Provided is a display panel including a base substrate, a display element layer, and a light control layer, wherein the display element layer includes a first electrode, a second electrode, a light-emitting layer and a first pixel definition layer, the light control layer includes a second pixel definition layer, and a light control pattern including quantum dots, a bottom surface of the first pixel definition layer has a first width in a first direction, the first pixel definition layer has a first height in a second direction, a bottom surface of the second pixel definition layer has a second width in the first direction, the second pixel definition layer has a second height in the second direction, and a first aspect ratio calculated by dividing the first height by the first width is smaller than a second aspect ratio calculated by dividing the second height by the second width.
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公开(公告)号：US20210066631A1
公开(公告)日：2021-03-04
申请号：US16839857
申请日：2020-04-03
Inventor： Sukyung CHOI , Hyunkoo LEE , Byoung-Hwa KWON , Jaehyun MOON , Hyunsu CHO , Chan-mo KANG , CHUNWON BYUN , Jin Wook SHIN , Nam Sung CHO
Abstract: Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.
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公开(公告)号：US20230389400A1
公开(公告)日：2023-11-30
申请号：US18303412
申请日：2023-04-19
Inventor： Byoung-Hwa KWON , Chan-mo KANG , Kukjoo KIM , Gi Heon KIM , Sujung KIM , Sooji NAM , Chunwon BYUN , Jin-Wook SHIN , Jong-Heon YANG , Hyunsu CHO , Sukyung CHOI
CPC classification number: H10K59/873 , C09D1/00 , C09D5/002 , C09D7/61 , C09D7/63 , C09D7/67 , H10K77/111
Abstract: Provided is a flexible organic light emitting element that may include a flexible substrate, a circuit element layer on the flexible substrate, an emission layer on the circuit element layer, a first encapsulation structure between the flexible substrate and the circuit element layer, and a second encapsulation structure on the emission layer, wherein the first encapsulation structure includes a first inorganic layer and a first organic layer, which are sequentially stacked on an upper surface of the flexible substrate, and the first organic layer includes a first polymer nanocomposite.
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公开(公告)号：US20220199706A1
公开(公告)日：2022-06-23
申请号：US17525245
申请日：2021-11-12
Inventor： Chan-mo KANG , Sukyung CHOI , CHUNWON BYUN , Jin Wook SHIN , Hyunsu CHO
Abstract: Provided is a display device. The display device includes a substrate having a pixel area including a first sub-pixel area, a second sub-pixel area, and a third sub-pixel area, a first control layer on the substrate, a second control layer on the first control layer, an intervening layer disposed between the first control layer and the second control layer on the first sub-pixel area and the second sub-pixel area, first quantum dots on the intervening layer of the first sub-pixel area, second quantum dots on the intervening layer of the second sub-pixel area, and an organic layer configured to cover a top surface and a side surface of the intervening layer between the first control layer and the second control layer.
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Patent Agency Ranking
公开(公告)号：US20190213380A1
公开(公告)日：2019-07-11
申请号：US16219373
申请日：2018-12-13
Inventor： Chul Woong JOO , Jonghee LEE , Jae-Eun PI , Byoung-Hwa KWON , Hyunsu CHO , Seung Youl KANG , Seongdeok AHN , Jeong Ik LEE , Nam Sung CHO , Sung Haeng CHO , Woojin SUNG , Jongchan LEE
IPC: G06K9/00
CPC classification number: G06K9/0004 , H01L51/5215 , H01L51/5234 , H01L51/5237
Abstract: Provided is an optical fingerprint recognition sensor. The optical fingerprint recognition sensor includes a transparent light emitting unit configured to emit light to a fingerprint, a light receiving unit disposed below the light emitting unit to vertically overlap the light emitting unit and configured to receive light reflected by the fingerprint, and a control unit disposed below the light emitting unit to vertically overlap the light emitting unit and configured to control the light emitting unit and the light receiving unit. The light emitting unit includes an organic layer.
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公开(公告)号：US20190131559A1
公开(公告)日：2019-05-02
申请号：US16053333
申请日：2018-08-02
Inventor： Byoung-Hwa KWON , Chul Woong JOO , Jonghee LEE , Hyunkoo LEE , Hyunsu CHO , Nam Sung CHO
Abstract: Provided is a display device and a manufacturing method thereof. More specifically, the present invention relates to a display device including a nickel oxide thin film co-doped with a copper monovalent cation and a copper divalent cation, and a manufacturing method thereof. The present invention provides a display device including a substrate, a first electrode layer disposed on the substrate, a first common layer disposed on the substrate, a light emitting layer disposed on the first common layer, a second common layer disposed on the light emitting layer, and a second electrode layer disposed on the second common layer, wherein the first common layer includes a nickel oxide thin film co-doped with a first metal cation and a second metal cation, and the oxidation number of the first metal cation and the oxidation number the second metal cation are different from each other.
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公开(公告)号：US20170133596A1
公开(公告)日：2017-05-11
申请号：US15202025
申请日：2016-07-05
Inventor： Byoung-Hwa KWON , Jeong Ik LEE , Hyunkoo LEE , Jong Tae LIM , Byoung Gon YU , Jonghee LEE , Doo-Hee CHO , Hyunsu CHO
CPC classification number: H01L51/0024 , G02B5/0242 , H01L51/0021 , H01L51/5234 , H01L51/5268 , H01L51/56 , H01L2251/303 , H01L2251/5315 , H01L2251/5369
Abstract: Provided is a method of manufacturing an organic light emitting device, the method including forming a lower electrode on a lower substrate, forming an organic layer on the lower electrode, forming a light extraction layer including an adhesion layer and nanoparticles on an upper substrate, forming an upper electrode on the light extraction layer, and coupling the lower substrate to the upper substrate so that the upper electrode contacts the organic layer. The forming of the light extraction layer includes providing an adhesive between a first sacrificial substrate and the upper substrate, curing the adhesive to form the adhesion layer to form the adhesion layer, and removing the first sacrificial substrate to expose the adhesion layer. The first sacrificial substrate and the upper substrate are coupled to each other by the adhesion layer.
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公开(公告)号：US20240057436A1
公开(公告)日：2024-02-15
申请号：US18315314
申请日：2023-05-10
Inventor： Chan-mo KANG , Byoung-Hwa KWON , Gi Heon KIM , Jin-Wook SHIN , Nam Sung CHO , Hyunsu CHO , Sukyung CHOI
IPC: H01L51/00
CPC classification number: H10K59/38 , H10K59/873 , H10K59/879 , H10K59/353
Abstract: Disclosed is a display device. An embodiment of the inventive concept provides a display device that includes a substrate including a first sub pixel region, a second sub pixel region, and a third sub pixel region, reflective bottom electrodes provided on the substrate, a blue light emitting layer provided on the lower reflective electrodes, an encapsulation layer provided on the blue light emitting layer, a green color conversion layer provided on the encapsulation layer in the first sub pixel region, a color conversion layer provided on the encapsulation layer in the second sub pixel region, a blue reflective layer provided on both the green color conversion layer and the color conversion layer, and a blue transmissive layer disposed adjacent to the color conversion layer and provided on the encapsulation layer in the third sub pixel region.
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公开(公告)号：US20240057431A1
公开(公告)日：2024-02-15
申请号：US18344518
申请日：2023-06-29
Inventor： Hyunsu CHO
IPC: H10K59/35
CPC classification number: H10K59/353
Abstract: A display device includes a first pixel and a second pixel, which are disposed adjacent to each other in a first direction and are alternately and repeatedly arranged. The first pixel includes a first sub-pixel, a second sub-pixel, and two third sub-pixels, which are arranged in a 2×2 matrix form. The second pixel includes a fourth sub-pixel, a fifth sub-pixel, and two sixth sub-pixels, which are arranged in a 2×2 matrix form. The first to third sub-pixels include sub-pixels having colors different from each other. The fourth to sixth sub-pixels include sub-pixels having colors different from each other. The first sub-pixel and the fourth sub-pixel include sub-pixels having the same color. The second sub-pixel and the fifth sub-pixel include sub-pixels having the same color. The third sub-pixels and the sixth sub-pixels include sub-pixels having the same color. The first pixel and the second pixel have a line symmetry relationship.
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