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公开(公告)号：US20180138251A1
公开(公告)日：2018-05-17
申请号：US15478723
申请日：2017-04-04
发明人： Tae Wook KANG
CPC分类号： H01L27/3246 , H01L27/3211 , H01L27/322 , H01L27/3276 , H01L51/5228 , H01L51/5253 , H01L51/5262 , H01L51/5284 , H01L2227/323
摘要： An organic light-emitting display device including: a substrate; a first conductive layer disposed on the substrate; a pixel defining film disposed to define a plurality of pixels on the substrate, the pixel defining film exposing at least a part of the first conductive layer for each of the plurality of pixels; an organic light-emitting layer disposed on the at least a part of the first conductive layer exposed by the pixel defining film; a second conductive layer disposed on the organic light-emitting layer; a protection layer disposed in each of the plurality of pixels on the second conductive layer and exposing at least a part of the second conductive layer; and a sub-conductive layer disposed on the pixel defining film between the plurality of pixels, the sub-conductive layer electrically contacting with exposed portions of the second conductive layer disposed in the plurality of pixels.
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公开(公告)号：US20240122039A1
公开(公告)日：2024-04-11
申请号：US18225241
申请日：2023-07-24
发明人： Woo Yong SUNG , Tae Wook KANG
IPC分类号： H10K59/80 , H10K59/12 , H10K59/122
CPC分类号： H10K59/873 , H10K59/1201 , H10K59/122
摘要： A display device includes a substrate including a sub-display area including a transmission area and a main display area adjacent to the sub-display area, a thin film transistor layer disposed on the main display area and the sub-display area, a light emitting element layer disposed on the thin film transistor layer, a thin film encapsulation layer disposed on the light emitting element layer, where first and second through holes are defined through the transmission area to overlap each other, a first planarization layer disposed under the substrate in the main display area and the transmission area to fill the second through hole, and a second planarization layer disposed on the thin film encapsulation layer in the main display area and the transmission area to fill the first through hole. In the transmission area, the first planarization layer and the second planarization layer are in contact with each other.
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公开(公告)号：US20240121989A1
公开(公告)日：2024-04-11
申请号：US18229766
申请日：2023-08-03
发明人： Da Woon JUNG , Su Bin BAE , Tae Wook KANG , Sang Gab KIM , Yun Jong YEO , Yu Gwang JEONG
IPC分类号： H10K59/122 , H10K59/12 , H10K59/38 , H10K59/40
CPC分类号： H10K59/122 , H10K59/1201 , H10K59/38 , H10K59/40
摘要： A display device includes: a first pixel electrode disposed in a first emission area, on a substrate; an insulating layer covering edges of the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode and the insulating layer; a first common electrode disposed on the first light-emitting layer; banks disposed on the insulating layer and surrounding the first emission area; and a first organic pattern surrounding the first emission area, disposed on the banks, and including the same material as the first light-emitting layer. Side surfaces of each of the banks are spaced apart from side surfaces of the insulating layer.
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公开(公告)号：US20230112253A1
公开(公告)日：2023-04-13
申请号：US18078072
申请日：2022-12-08
发明人： Keun Woo KIM , Tae Wook KANG , Han Bit KIM , Bum Mo SUNG , Do Kyeong LEE , Jae Seob LEE
IPC分类号： H01L27/32
摘要： A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 µm to about 2 µm, and a length of the channel of the third transistor is in a range of about 1 µm to about 2.5 µm.
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公开(公告)号：US20230032440A1
公开(公告)日：2023-02-02
申请号：US17965800
申请日：2022-10-14
发明人： Tae Wook KANG
IPC分类号： G06F1/16
摘要： A display device includes: a flexible display panel having a display area and a non-display area disposed adjacent to the display area; a supporting member provided at a predetermined area of the flexible display panel adjacent to one side of the flexible display panel, wherein the non-display area of the flexible display panel contacts the supporting member and surrounds the supporting member while being bent at a bend angle, and the bend angle of the non-display area is variously adjusted by the supporting member.
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公开(公告)号：US20220399428A1
公开(公告)日：2022-12-15
申请号：US17687702
申请日：2022-03-07
发明人： Myoung Geun CHA , Sang Gun CHOI , Tae Wook KANG , Bum Mo SUNG , Yun Jung OH , Yong Su LEE
摘要： A display device includes: a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a common voltage line connected to the second electrode; and a third electrode and a fourth electrode disposed between the common voltage line and the second electrode.
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公开(公告)号：US20220310928A1
公开(公告)日：2022-09-29
申请号：US17648409
申请日：2022-01-19
发明人： Ju Hyun LEE , Gyung Min BAEK , Tae Wook KANG , Shin Il CHOI , Do Keun SONG
IPC分类号： H01L51/00
摘要： A display device comprises first and second electrodes extending in one direction on a substrate, the first and second electrodes being spaced apart from each other, an organic layer on the first and second electrodes, the organic layer including a plurality of conductive regions and an insulating region, light-emitting elements on the organic layer and on the first and second electrodes, and a first connecting electrode coupled to first end portions of the light-emitting elements and one of the plurality of conductive regions, and a second connecting electrode coupled to second end portions of the light-emitting elements and another one of the plurality of conductive regions, wherein the organic layer includes PEDOT:PSS, and a surface roughness of the insulating region is greater than a surface roughness of the plurality of conductive regions.
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公开(公告)号：US20220140024A1
公开(公告)日：2022-05-05
申请号：US17444745
申请日：2021-08-09
发明人： Min Suk KO , Tae Wook KANG , Kab Jong SEO , Bo Geon JEON
摘要： A display device includes: a substrate; first banks spaced apart from each other on the substrate; a first electrode and a second electrode covering the first banks and spaced apart from each other; a light-emitting element between the first electrode and the second electrode; a first contact electrode connected to the first electrode and contacting one end of the light-emitting element; and a second contact electrode connected to the second electrode and contacting another end of the light-emitting element. The first contact electrode includes a first material, the second contact electrode includes a second material, and physical properties of the first material and the second material are different from each other.
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公开(公告)号：US20210376025A1
公开(公告)日：2021-12-02
申请号：US17246367
申请日：2021-04-30
发明人： Keun Woo KIM , Tae Wook KANG
IPC分类号： H01L27/32 , G09G3/3291 , G09G3/3258 , G09G3/3233
摘要： A display device includes: a plurality of pixels on a substrate, each of the plurality of pixels including a light emitting element and a pixel circuit configured to drive the light emitting element, wherein the pixel circuit of each of the plurality of pixels comprises: a first-first transistor configured to control a driving current flowing through the light emitting element based on a voltage of a first node; a first-second transistor connected in series with the first-first transistor and configured to control the driving current based on a voltage of a second node; a second transistor configured to selectively supply a data voltage to a third node which is a first electrode of the first-first transistor; a third-first transistor connected between the first node and a fourth node which is a second electrode of the first-second transistor; and a third-second transistor connected between the second node and the fourth node.
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公开(公告)号：US20200227493A1
公开(公告)日：2020-07-16
申请号：US16831557
申请日：2020-03-26
发明人： Tae Wook KANG
摘要： A method of manufacturing an OLED device includes: preparing a substrate on which a first conductive layer and a pixel defining film defining a plurality of pixels and exposing the first conductive layer for each of the plurality of pixels; disposing a photoresist pattern on the pixel defining film, the photoresist pattern comprising an opening exposing a first pixel of the plurality of pixels; disposing a first material layer onto an entire surface of the substrate to simultaneously dispose an organic light-emitting layer and a first deposition layer; disposing a second material layer onto the entire surface of the substrate to simultaneously dispose a second conductive layer and a second deposition layer; disposing a third material layer onto the entire surface of the substrate to simultaneously dispose a protection layer and a third deposition layer; and removing the photoresist pattern and the first, second, and third deposition layers.
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