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公开(公告)号：US10937815B2
公开(公告)日：2021-03-02
申请号：US16808733
申请日：2020-03-04
Applicant: LG DISPLAY CO., LTD.
Inventor： HanSaem Kang , HyeonHo Son
IPC: H01L27/12 , H01L33/08 , H01L25/075 , H01L25/16 , H01L33/48 , H01L33/50 , H01L33/54 , H01L33/60 , H01L33/52 , H01L33/62
Abstract: A display device according to an embodiment includes a substrate, a gate line and a data line on the substrate, a pixel connected to the gate line and the data line and including a thin film transistor (TFT) on the substrate, a planarization layer on the TFT, and a light emitting device including a first electrode and a second electrode, wherein the light emitting device comprises a first portion and a second portion opposite to the first portion, the first portion including the first and second electrodes, wherein the TFT comprises a gate electrode, a semiconductor layer, a source electrode, and a drain electrode, and wherein the first portion of the light emitting device is not overlapped with the TFT.
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公开(公告)号：US10825393B2
公开(公告)日：2020-11-03
申请号：US15845771
申请日：2017-12-18
Applicant: LG DISPLAY CO., LTD.
Inventor： JinYeong Kim , HyeonHo Son , HanSaem Kang
IPC: G09G3/3241 , H01L27/15 , H01L33/06 , H01L33/32 , H01L33/60 , H01L33/42 , G09G3/3233
Abstract: Disclosed is a light emitting diode display device for minimizing a screen defect caused by a defect of a light emitting diode device. The light emitting diode display device includes a plurality of subpixels which each include first to Nth (where N is a natural number equal to or greater than two) light emitting diode devices emitting light with the data current and a pixel circuit including first to Nth driving transistors respectively supplying the data current corresponding to a data signal to the first to Nth light emitting diode devices.
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公开(公告)号：US10090335B2
公开(公告)日：2018-10-02
申请号：US15794741
申请日：2017-10-26
Applicant: LG DISPLAY CO., LTD.
Inventor： HanSaem Kang , HyeonHo Son
Abstract: Disclosed is a light emitting diode display device in which a process time taken in a process of connecting a light emitting device to a pixel circuit is shortened. The light emitting diode display device includes a pixel including a driving thin film transistor (TFT) on a substrate, a first planarization layer covering the pixel, a concave portion in the first planarization layer, a light emitting device in the concave portion and including a first electrode and a second electrode, a second planarization layer covering the first planarization layer and the light emitting device, a pixel electrode electrically connected to the driving TFT and the first electrode of the light emitting device, and a common electrode electrically connected to the second electrode of the light emitting device. The pixel electrode and the common electrode are on the second planarization layer.
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公开(公告)号：US11107800B2
公开(公告)日：2021-08-31
申请号：US16727743
申请日：2019-12-26
Applicant: LG Display Co., Ltd.
Inventor： HyeonHo Son , HanSaem Kang , Bogyun Chung , Sungeun Bae , HyungJu Park , Eunjeong Shin , Jeenmoon Yang
Abstract: A display device can include a substrate on which a semiconductor element and a common electrode are disposed; a light emitting diode which is disposed on the substrate and includes an n-type layer, a light emitting layer, and a p-type layer; an insulating layer disposed on the substrate and the light emitting diode; and a first connecting electrode which is connected to the light emitting diode and the semiconductor element. Accordingly, it is possible to minimize defects which can be caused during a process of disposing the light emitting diode on the substrate.
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Patent Agency Ranking
公开(公告)号：US11100861B2
公开(公告)日：2021-08-24
申请号：US17033033
申请日：2020-09-25
Applicant: LG Display Co., Ltd.
Inventor： JinYeong Kim , HyeonHo Son , HanSaem Kang
IPC: G09G3/3241 , H01L27/15 , H01L33/06 , H01L33/32 , H01L33/60 , H01L33/42 , G09G3/3233
Abstract: Discussed is a light emitting diode display device including a plurality of pixels displaying an image based on a data signal, the plurality of pixels each including: a first and second light emitting diode devices emitting light, a first and second driving transistors electrically connected to the first and second light emitting diode devices respectively, an insulation layer covering the first and second driving transistors and a planarization layer on the insulation layer and an adhesive member between the insulation layer and the first and the second light emitting diode devices, wherein each of the first and second light emitting diode devices includes: a first portion including a first electrode and a second electrode and a second portion opposite to the first portion, and wherein the adhesive member is interposed between the second portion of each of the first and the second light emitting diode devices and the insulation layer.
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公开(公告)号：US10303281B2
公开(公告)日：2019-05-28
申请号：US15872726
申请日：2018-01-16
Inventor： WooYoung Shim , HanSaem Kang , KiSeok Chang , WookSung Kim , SungPil Ryu , GwangMook Kim , SungJun Cho , JaeMin Myoung
Abstract: The present disclosure relates to a contact sensitive device and a contact sensitive device according to an exemplary embodiment of the present disclosure includes a base film, a first electrode, a second electrode, a third electrode, and a thermochromic layer. A protruding pattern is disposed on the base film. The first electrode and the second electrode are disposed on the base film and are spaced apart from each other with the protruding pattern therebetween. The third electrode is in contact with the protruding pattern. The thermochromic layer is disposed on the third electrode.
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公开(公告)号：US11605654B2
公开(公告)日：2023-03-14
申请号：US17162915
申请日：2021-01-29
Applicant: LG DISPLAY CO., LTD.
Inventor： HanSaem Kang , HyeonHo Son
IPC: H01L27/12 , H01L25/075 , H01L25/16 , H01L33/08 , H01L33/48 , H01L33/50 , H01L33/54 , H01L33/60 , H01L33/52 , H01L33/62
Abstract: A display device includes a pixel on a substrate. The pixel includes a gate line and a data line on the substrate; a pixel circuit configured to be electrically connected to the gate line and the data line; a light emitting device configured to be electrically connected to the pixel circuit; and a planarization layer configured on the pixel circuit to cover the light emitting device, wherein the light emitting device is surrounded by the planarization layer.
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公开(公告)号：US11094867B2
公开(公告)日：2021-08-17
申请号：US16570305
申请日：2019-09-13
Applicant: LG Display Co., Ltd.
Inventor： HanSaem Kang
Abstract: A display device and a method of manufacturing the same are provided. A display device includes: a substrate, a pixel circuit on the substrate, the pixel circuit including: a gate electrode, a drain electrode, and a source electrode, a vertical LED element on the substrate, the vertical LED element including: a first electrode, an active layer under the first electrode, and a second electrode under the active layer, an encapsulation film surrounding the vertical LED element, the encapsulation film exposing a portion of a side of the second electrode, a first connection electrode electrically connected to the first electrode, and a second connection electrode electrically connected to the second electrode.
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公开(公告)号：US10325936B2
公开(公告)日：2019-06-18
申请号：US15797835
申请日：2017-10-30
Applicant: LG Display Co., Ltd. , LG INNOTEK Co., Ltd. , LG Electronics Inc.
Inventor： HanSaem Kang , HyeonHo Son , KyungHan Seo , Sangyoul Lee , Hwankuk Yuh , Seung Ouk Noh
IPC: H01L27/32 , H01L27/12 , H01L33/38 , H01L25/075
Abstract: Disclosed is a light emitting diode display device in which a time taken in a process of connecting a light emitting device to a pixel circuit is shortened. The light emitting diode display device includes a thin film transistor (TFT) array substrate including a concave portion and a light emitting device disposed in the concave portion. The light emitting device includes a first electrode and a second electrode. The light emitting device further includes a first portion, including the first and second electrodes, and a second portion opposite to the first portion, and a distance between the first portion to a floor surface of the concave portion is greater than a distance between the second portion to the floor surface of the concave portion.
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