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公开(公告)号：US12133425B2
公开(公告)日：2024-10-29
申请号：US17398742
申请日：2021-08-10
发明人： Eung Taek Kim , Kohei Ebisuno , Suk Hoon Ku , Jin Suk Lee , Jung Mi Choi , Young In Hwang , Tae Sik Kim , Jin Suk Seo , Hwang Sup Shin , Taek Geun Lee , Joo Hyeon Jo , Hong Jun Choi , Hee Yeon Kim , Na Lae Lee
IPC分类号： G09G3/00 , H01L29/792 , H10K59/123 , H10K59/124 , H10K59/131 , G09G3/3208
CPC分类号： H10K59/124 , H01L29/792 , H10K59/123 , H10K59/131 , G09G3/3208
摘要： A display device is provided. The display device includes a first substrate, a first charge trap layer disposed on the first substrate and including silicon nitride, a semiconductor layer disposed on the first charge trap layer and including a first active layer of a first transistor and a second active layer of a second transistor, and an organic light emitting element electrically connected to the first transistor, wherein a ratio of a content of a Si element to a content of an N element in the first charge trap layer is in a range of 1.6 to 2.5.
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公开(公告)号：US20230380245A1
公开(公告)日：2023-11-23
申请号：US18197593
申请日：2023-05-15
发明人： Kiho Bang , Jongmin Lee , Jinsuk Lee , Kohei Ebisuno , Eunhye Kim , Eunae Jung , Wonsuk Choi
IPC分类号： H10K59/80 , H10K59/131 , H10K59/40
CPC分类号： H10K59/873 , H10K59/131 , H10K59/40
摘要： A display apparatus includes a substrate having a display area and a peripheral area, an inorganic insulating layer, a light-emitting diode in, an encapsulation layer including a first inorganic encapsulation layer, a second inorganic encapsulation layer on the first inorganic encapsulation layer, and an organic encapsulation layer between the first inorganic encapsulation layer and the second inorganic encapsulation layer, a dam arranged in the peripheral area, and a power supply line on the inorganic insulating layer in the peripheral area, wherein a portion of the power supply line overlaps the dam, the first inorganic encapsulation layer and the second inorganic encapsulation layer extend to the peripheral area and cover the portion of the power supply line, and an edge of the portion of the power supply line overlaps at least one conductive layer on the second inorganic encapsulation layer.
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公开(公告)号：US11063155B2
公开(公告)日：2021-07-13
申请号：US16414266
申请日：2019-05-16
发明人： Kohei Ebisuno , Sungjun Kim , Donghyun Son , Jaesoo Jung , Sunghoon Moon , Jingoo Jung
IPC分类号： H01L29/786 , H01L27/32 , H01L27/12 , H01L21/02 , H01L21/306 , H01L29/66
摘要： A thin film transistor includes an active layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, a capping layer filling a thickness difference between the first portion and the second portion and arranged on the first portion, a gate insulating layer arranged on the capping layer, a gate electrode on the active layer, wherein the gate insulating layer and the capping layer are disposed between the gate electrode and the active layer, and a source electrode and a drain electrode connected to the active layer.
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公开(公告)号：US10950681B2
公开(公告)日：2021-03-16
申请号：US16580042
申请日：2019-09-24
发明人： Dong Hyun Son , Sung Hoon Moon , Sung Jun Kim , Kohei Ebisuno , Deok Hoi Kim , Sanghoon Oh
摘要： A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.
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公开(公告)号：US10854645B2
公开(公告)日：2020-12-01
申请号：US16273374
申请日：2019-02-12
发明人： Jun Hee Lee , Sung Hoon Moon , Dong Hyun Son , Pil Soo Ahn , Kohei Ebisuno , Sang Hoon Oh
IPC分类号： H01L27/12 , H01L27/32 , H01L29/786 , H01L51/00 , H01L51/56
摘要： A method for fabricating a thin film transistor substrate includes forming a buffer layer including at least one film on a base substrate, planarizing a surface of the buffer layer, and forming a thin film transistor on the buffer layer.
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公开(公告)号：US20240324303A1
公开(公告)日：2024-09-26
申请号：US18492708
申请日：2023-10-23
发明人： Jaesoo Jung , Moosoon Ko , Kohei Ebisuno , Sunggeun Bae , Sanghoon Oh
IPC分类号： H10K59/122 , H10K59/131
CPC分类号： H10K59/122 , H10K59/131
摘要： A display apparatus includes: a display element including a pixel electrode on a substrate; a bus line spaced from the pixel electrode, and located at the same layer as that of the pixel electrode; a pixel-defining layer defining an emission area of the display element, the pixel-defining layer including: an opening overlapping with the pixel electrode, and exposing at least a portion of the pixel electrode; and a hole exposing a portion of the bus line adjacent to the pixel electrode; a separator on the pixel-defining layer; an intermediate layer on the pixel electrode; and an opposite electrode on the intermediate layer. In a plan view, the separator surrounds the pixel electrode and the hole together. The bus line includes: a first line layer; and a second line layer on the first line layer, and including a tip protruding more than an edge of the first line layer.
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公开(公告)号：US20210313474A1
公开(公告)日：2021-10-07
申请号：US17348188
申请日：2021-06-15
发明人： Kohei Ebisuno , Sungjun Kim , Donghyun Son , Jaesoo Jung , Sunghoon Moon , Jingoo Jung
IPC分类号： H01L29/786 , H01L27/32 , H01L27/12 , H01L21/02 , H01L21/306 , H01L29/66
摘要： A thin film transistor includes an active layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, a capping layer filling a thickness difference between the first portion and the second portion and arranged on the first portion, a gate insulating layer arranged on the capping layer, a gate electrode on the active layer, wherein the gate insulating layer and the capping layer are disposed between the gate electrode and the active layer, and a source electrode and a drain electrode connected to the active layer.
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公开(公告)号：US20220069045A1
公开(公告)日：2022-03-03
申请号：US17357894
申请日：2021-06-24
发明人： Kohei Ebisuno , Kwanyong Pak , Youngwon Kim , Jinseok Oh , Jin Jeon , Jingoo Jung , Kyunghyun Choi
摘要： A display apparatus includes a main display area, and a component area including pixel groups spaced apart from each other and a transmission area between the pixel groups. The display apparatus further includes a substrate including a first base layer, a compensation layer, a first barrier layer, and a second barrier layer sequentially stacked on one another, a bottom metal layer between the first barrier layer and the second barrier layer, a buffer layer on the second barrier layer, main display elements on the substrate of the main display area, and auxiliary display elements on the substrate of the component area.
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公开(公告)号：US20210376292A1
公开(公告)日：2021-12-02
申请号：US17325587
申请日：2021-05-20
发明人： Kyunghyun Choi , Seongjun Lee , Kohei Ebisuno , Heeseong Jeong
摘要： A display panel, in which a main display area, and a component area including a plurality of pixel groups and a transmission area are defined, includes a substrate, an inorganic insulating layer disposed on the substrate, where a first hole is defined through the inorganic insulating layer to correspond to the transmission area, a plurality of main display elements disposed on the inorganic insulating layer in the main display area, and a plurality of auxiliary display elements disposed on the inorganic insulating layer and corresponding to the pixel groups, respectively. The substrate includes a first base layer, a first barrier layer, a second base layer, a compensation layer, and a second barrier layer, which are stacked one on another, and a refractive index of the compensation layer has a value between a refractive index of the second base layer and a refractive index of the second barrier layer.
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公开(公告)号：US20240324285A1
公开(公告)日：2024-09-26
申请号：US18426365
申请日：2024-01-30
发明人： Moosoon Ko , Kohei Ebisuno , Sanghoon Oh , Jaesoo Jung
IPC分类号： H10K59/121 , H10K59/12
CPC分类号： H10K59/1213 , H10K59/1201
摘要： A display apparatus and a manufacturing method may avoid electrical shorting caused by protrusion structures that result from a difference in etch rates. The display apparatus includes a substrate, a semiconductor layer on the substrate, a first metal layer arranged on the semiconductor layer, insulated from the semiconductor layer, and including a first metal layer having a first etch rate under a predetermined condition, and a second metal layer arranged on the first metal layer, contacting an upper surface of the first metal layer, including a second metal material having a second etch rate under the predetermined condition, the second etch rate being less than the first etch rate, and arranged in the upper surface of the first metal layer when viewed in a direction perpendicular to the substrate.
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