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公开(公告)号：US09419240B2
公开(公告)日：2016-08-16
申请号：US14700293
申请日：2015-04-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seungchan Lee , Kiseo Kim , Sungkook Park
CPC classification number: H01L51/5296
Abstract: An organic light emitting transistor includes a substrate, a first insulating layer on the substrate, an auxiliary gate electrode between the substrate and the first insulating layer, the auxiliary gate electrode corresponding to a first area, a switching gate electrode between the substrate and the first insulating layer, the switching gate electrode corresponding to a second area defined adjacent to at least one side of the first area, the switching gate electrode being insulated from the auxiliary gate electrode, a source electrode on the first insulating layer, the source electrode corresponding to the second area, a semiconductor layer on the first insulating layer, the semiconductor layer corresponding to at least the first area and the semiconductor layer being connected to the source electrode, a drain electrode corresponding to at least the first area, and a light emitting layer interposed between the drain electrode and the semiconductor layer.
Abstract translation: 有机发光晶体管包括基板，基板上的第一绝缘层，基板与第一绝缘层之间的辅助栅极电极，对应于第一区域的辅助栅电极，基板与第一绝缘层之间的开关栅电极 绝缘层，所述开关栅电极对应于与所述第一区域的至少一侧相邻限定的第二区域，所述开关栅电极与所述辅助栅电极绝缘;所述源电极在所述第一绝缘层上，所述源电极对应于 第二区域，在第一绝缘层上的半导体层，至少对应于第一区域的半导体层和与源电极连接的半导体层，至少对应于第一区域的漏电极和发光层 介于漏电极和半导体层之间。
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公开(公告)号：US10224377B2
公开(公告)日：2019-03-05
申请号：US15605307
申请日：2017-05-25
Applicant: Samsung Display Co., Ltd.
Inventor： Sungkook Park , Minwoo Kim , Woongsik Kim
IPC: H01L27/32 , H01L51/52 , H01L51/50 , H01L27/146
Abstract: An organic light-emitting display device with improved light efficiency includes a plurality of pixel electrodes each corresponding one of at least a first, second, or third pixel; a pixel-defining layer covering an edge and exposing a central portion of the pixel electrodes; an intermediate layer over the pixel electrode and including an emission layer; an opposite electrode over the intermediate layer; and a lens layer over the opposite electrode and including a plurality of condensing lenses each having a circular lower surface. An area of the portion of the pixel electrode exposed by the pixel-defining layer is A, and an area of the lower surface of the condensing lens is B. For the first pixel, a ratio B/A ranges from about 1.34 to about 2.63. For the second pixel, B/A ranges from about 1.43 to about 3.00, For the third pixel, B/A ranges from about 1.30 to about 2.43.
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公开(公告)号：US11169633B2
公开(公告)日：2021-11-09
申请号：US16907280
申请日：2020-06-21
Applicant: Samsung Display Co., Ltd.
Inventor： Sungkook Park , Taehee Lee , Won-ki Hong , Hee Seomoon
Abstract: A display apparatus includes a display panel and a touch sensing unit disposed on the display panel. The touch sensing unit includes a touch sensor and a first pressure sensor. The touch sensor includes a first touch electrode layer and a second touch electrode layer disposed on the first touch electrode layer. The first pressure sensor includes: a transmission pressure electrode, a sensing pressure electrode separated from the transmission pressure electrode, and a piezoresistive pattern contacting each of the transmission pressure electrode and the sensing pressure electrode. Each of the transmission pressure electrode and the sensing pressure electrode is disposed in a same layer as any one of the first touch electrode layer and the second touch electrode layer.
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公开(公告)号：US11785820B2
公开(公告)日：2023-10-10
申请号：US17878312
申请日：2022-08-01
Applicant: Samsung Display Co., Ltd.
Inventor： Sungkook Park , Minwoo Kim , Woongsik Kim
IPC: H10K59/35 , H10K50/15 , H10K50/17 , H10K50/81 , H10K50/844 , H10K50/858 , H10K59/122 , H10K50/82 , H10K50/84 , H01L27/146 , H10K50/00 , H10K50/125
CPC classification number: H10K59/35 , H10K50/15 , H10K50/171 , H10K50/81 , H10K50/8445 , H10K50/858 , H10K59/122 , H01L27/14627 , H10K50/00 , H10K50/125 , H10K50/82 , H10K50/84 , H10K59/352
Abstract: An organic light-emitting display device with improved light efficiency includes a plurality of pixel electrodes each corresponding one of at least a first, second, or third pixel; a pixel-defining layer covering an edge and exposing a central portion of the pixel electrodes; an intermediate layer over the pixel electrode and including an emission layer; an opposite electrode over the intermediate layer; and a lens layer over the opposite electrode and including a plurality of condensing lenses each having a circular lower surface. An area of the portion of the pixel electrode exposed by the pixel-defining layer is A, and an area of the lower surface of the condensing lens is B. For the first pixel, a ratio B/A ranges from about 1.34 to about 2.63. For the second pixel, B/A ranges from about 1.43 to about 3.00, For the third pixel, B/A ranges from about 1.30 to about 2.43.
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公开(公告)号：US20190258297A1
公开(公告)日：2019-08-22
申请号：US16401274
申请日：2019-05-02
Applicant: Samsung Display Co., Ltd.
Inventor： Jinwoo Choi , Youngse Jang , Haeyun Choi , Sungkook Park , Jaeik Lim
Abstract: A stretchable display device includes a substrate having a plurality of islands spaced apart from each other, and a plurality of bridges connecting each of the plurality of islands. A plurality of display units is disposed above the plurality of islands, respectively. A plurality of metal wirings are electrically connected to each of the plurality of display units. The plurality of metal wirings are disposed above the plurality of bridges. Each of the plurality of bridges includes a first region curved convexly in a first direction on a plane, and a second region curved concavely in the first direction. The second region is connected to the first region. Each of the plurality of metal wirings has a first width, and each of the plurality of bridges have a second width that is greater than the first width.
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Patent Agency Ranking
公开(公告)号：US09966553B2
公开(公告)日：2018-05-08
申请号：US15712889
申请日：2017-09-22
Applicant: Samsung Display Co., Ltd.
Inventor： Manseob Choi , Sungkook Park , Minwoo Kim , Mingyeong Jo
CPC classification number: H01L51/5203 , H01L27/3248 , H01L51/5212 , H01L51/5218 , H01L51/5228 , H01L51/5256 , H01L51/5268 , H01L51/5271 , H01L51/5275 , H01L51/5284
Abstract: A display apparatus includes: a substrate; a first electrode; an insulating film including an opening that extends to at least the central portion of the first electrode; a light-emitting diode disposed on the first electrode and including a first pad electrically connected to the first electrode; a reflective film disposed on the insulating film so as to cover at least a portion of an inner surface of the opening; and a light path guide layer disposed on the insulating film so as to cover at least a portion of the reflective film and including a plurality of holes or a plurality of grooves on the top surface. In one embodiment, the display apparatus improves the light extraction efficiency of the light-emitting diode.
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公开(公告)号：US10978677B2
公开(公告)日：2021-04-13
申请号：US16601715
申请日：2019-10-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Suk Kim , Geebum Kim , Sungkook Park , Jinwoo Lee
Abstract: An organic light emitting display device includes a substrate, first electrodes disposed on the substrate, a pixel defining layer disposed on the substrate and exposing at least a part of the first electrodes, a second electrode disposed on the first electrodes and the pixel defining layer, an organic light emitting layer disposed between the first electrodes and the second electrode, a thin film encapsulation layer disposed on the second electrode, barrier ribs disposed on the thin film encapsulation layer, the barrier ribs overlapping the pixel defining layer between two adjacent ones of the first electrodes, and a planarization layer disposed on the thin film encapsulation layer and the barrier ribs, and having a refractive index higher than that of the barrier ribs. Each of the barrier ribs has a closed loop shape that encloses one of the two adjacent ones of the first electrodes in a plan view.
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公开(公告)号：US10719158B2
公开(公告)日：2020-07-21
申请号：US16417450
申请日：2019-05-20
Applicant: Samsung Display Co., Ltd.
Inventor： Sungkook Park , Taehee Lee , Won-ki Hong , Moonhee Seo
Abstract: A display apparatus includes a display panel and a touch sensing unit disposed on the display panel. The touch sensing unit includes a touch sensor and a first pressure sensor. The touch sensor includes a first touch electrode layer and a second touch electrode layer disposed on the first touch electrode layer. The first pressure sensor includes: a transmission pressure electrode, a sensing pressure electrode separated from the transmission pressure electrode, and a piezoresistive pattern contacting each of the transmission pressure electrode and the sensing pressure electrode. Each of the transmission pressure electrode and the sensing pressure electrode is disposed in a same layer as any one of the first touch electrode layer and the second touch electrode layer.
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公开(公告)号：US10714539B2
公开(公告)日：2020-07-14
申请号：US16264312
申请日：2019-01-31
Applicant: Samsung Display Co., Ltd.
Inventor： Sungkook Park , Minwoo Kim , Woongsik Kim
IPC: H01L51/52 , H01L51/50 , H01L27/32 , H01L27/146
Abstract: An organic light-emitting display device with improved light efficiency includes a plurality of pixel electrodes each corresponding one of at least a first, second, or third pixel; a pixel-defining layer covering an edge and exposing a central portion of the pixel electrodes; an intermediate layer over the pixel electrode and including an emission layer; an opposite electrode over the intermediate layer; and a lens layer over the opposite electrode and including a plurality of condensing lenses each having a circular lower surface. An area of the portion of the pixel electrode exposed by the pixel-defining layer is A, and an area of the lower surface of the condensing lens is B. For the first pixel, a ratio B/A ranges from about 1.34 to about 2.63. For the second pixel, B/A ranges from about 1.43 to about 3.00, For the third pixel, B/A ranges from about 1.30 to about 2.43.
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公开(公告)号：US10649496B2
公开(公告)日：2020-05-12
申请号：US16401274
申请日：2019-05-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jinwoo Choi , Youngse Jang , Haeyun Choi , Sungkook Park , Jaeik Lim
Abstract: A stretchable display device includes a substrate having a plurality of islands spaced apart from each other, and a plurality of bridges connecting each of the plurality of islands. A plurality of display units is disposed above the plurality of islands, respectively. A plurality of metal wirings are electrically connected to each of the plurality of display units. The plurality of metal wirings are disposed above the plurality of bridges. Each of the plurality of bridges includes a first region curved convexly in a first direction on a plane, and a second region curved concavely in the first direction. The second region is connected to the first region. Each of the plurality of metal wirings has a first width, and each of the plurality of bridges have a second width that is greater than the first width.
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