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公开(公告)号：US11809657B2
公开(公告)日：2023-11-07
申请号：US17836949
申请日：2022-06-09
Applicant: LG Display Co., Ltd.
Inventor： Jae-Hyung Jang , Min-Joo Kim , Eun-Pyo Hong , Jae-Won Lee , Sang-Hoon Pak , Sang-Hyuk Won , Yeon-Woo Shin , Ji-Hun Lee
IPC: G06F3/041 , G06F3/044 , H10K50/824 , H10K50/844 , H10K50/842 , H10K59/12 , H10K59/38 , H10K59/40
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/0446 , H10K50/824 , H10K50/844 , H10K50/8426 , H10K59/12 , H10K59/38 , H10K59/40 , G06F2203/04111
Abstract: The present disclosure relates to a display device for improving productivity. The display device having a touch sensor is configured such that the total thickness of at least one inorganic insulation layer disposed on the region above each of dams is different from the total thickness of the at least one inorganic insulation layer disposed on a trench region between the dams. Thus, a photoresist for forming a routing line is formed so as to have a uniform thickness on the region above each of the dams and the trench region between the dams, and thus productivity is improved.
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公开(公告)号：US11610946B2
公开(公告)日：2023-03-21
申请号：US17685136
申请日：2022-03-02
Applicant: LG Display Co., Ltd.
Inventor： Sang-Hyuk Won , Min-Joo Kim , Jae-Won Lee , Sang-Hoon Pak , Byong-Hoo Kim , Ji-Hye Lee , Jae-Man Jang , Sung-Jin Kim , Jae-Hyung Jang
Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.
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公开(公告)号：US11296157B2
公开(公告)日：2022-04-05
申请号：US17112963
申请日：2020-12-04
Applicant: LG Display Co., Ltd.
Inventor： Sang-Hyuk Won , Min-Joo Kim , Jae-Won Lee , Sang-Hoon Pak , Byong-Hoo Kim , Ji-Hye Lee , Jae-Man Jang , Sung-Jin Kim , Jae-Hyung Jang
Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.
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公开(公告)号：US20200152708A1
公开(公告)日：2020-05-14
申请号：US16679938
申请日：2019-11-11
Applicant: LG Display Co., Ltd.
Inventor： Byong-Hoo KIM , Min-Joo Kim , Eun-Pyo Hong , Jae-Won Lee , Sang-Hoon Pak , Sang-Hyuk Won , Jae-Man Jang , Sung-Jin Kim , Jae-Hyung Jang
Abstract: Disclosed is a display device capable of being manufactured through a simplified process and having improved touch sensitivity. The display device includes an encapsulation unit disposed on a light-emitting element, a touch sensor disposed on the encapsulation unit, and an intermediate layer disposed between the encapsulation unit and the touch sensor. The intermediate layer includes a first intermediate layer, having a dielectric constant that is lower than a dielectric constant of an organic film disposed above or under the intermediate layer, and a second intermediate layer, having greater hardness than the first intermediate layer, whereby touch sensitivity is improved while processing is simplified.
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公开(公告)号：US10411074B2
公开(公告)日：2019-09-10
申请号：US15814748
申请日：2017-11-16
Applicant: LG Display Co., Ltd.
Inventor： Sang-Hyuk Won , Min-Joo Kim , Tae-Hwan Kim , Nam-Yong Kim , Go-Eun Lim , Seok-Woo Son
Abstract: An organic light-emitting display device includes a substrate; a switching thin-film transistor on the substrate; a driving thin-film transistor connected to the switching thin-film transistor; and a light-emitting element connected to the driving thin-film transistor, wherein the switching thin-film transistor and the driving thin-film transistor together include: a lower conductive layer on the substrate; an insulation layer having therein a contact hole configured to expose the lower conductive layer; an upper conductive layer connected to the lower conductive layer through the contact hole; and a mask conductive layer between an upper surface of the insulation layer and the upper conductive layer to overlap the upper conductive layer.
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Patent Agency Ranking
公开(公告)号：US11985884B2
公开(公告)日：2024-05-14
申请号：US18170446
申请日：2023-02-16
Applicant: LG Display Co., Ltd.
Inventor： Sang-Hyuk Won , Min-Joo Kim , Jae-Won Lee , Sang-Hoon Pak , Byong-Hoo Kim , Ji-Hye Lee , Jae-Man Jang , Sung-Jin Kim , Jae-Hyung Jang
IPC: H10K59/40 , G06F3/041 , G06F3/044 , H10K50/844 , H10K59/124 , H10K59/131 , H10K77/10 , H10K59/38
CPC classification number: H10K59/40 , G06F3/0412 , G06F3/04164 , G06F3/0446 , H10K50/844 , H10K59/124 , H10K59/131 , H10K77/111 , G06F2203/04102 , G06F2203/04111 , G06F2203/04112 , H10K59/38
Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.
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公开(公告)号：US11775106B2
公开(公告)日：2023-10-03
申请号：US17895586
申请日：2022-08-25
Applicant: LG DISPLAY CO., LTD.
Inventor： Jae-Won Lee , Min-Joo Kim , Sang-Hyuk Won , Jae-Hyung Jang
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/0446
Abstract: A touch display device for preventing deterioration in image quality is structured such that a plurality of touch sensors is disposed on an encapsulation unit encapsulating a light-emitting element and includes a driving signal line, which includes a first driving signal line disposed below the encapsulation unit and a second driving signal line disposed above the encapsulation unit so as to be in contact with the first driving signal line to reduce line resistance of the driving signal line, thereby preventing deterioration in image quality.
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公开(公告)号：US20230209967A1
公开(公告)日：2023-06-29
申请号：US18170446
申请日：2023-02-16
Applicant: LG Display Co., Ltd.
Inventor： Sang-Hyuk Won , Min-Joo Kim , Jae-Won Lee , Sang-Hoon Pak , Byong-Hoo Kim , Ji-Hye Lee , Jae-Man Jang , Sung-Jin Kim , Jae-Hyung Jang
IPC: H10K59/40 , G06F3/044 , G06F3/041 , H10K50/844 , H10K59/124 , H10K59/131 , H10K77/10
CPC classification number: H10K59/40 , G06F3/0446 , G06F3/04164 , G06F3/0412 , H10K50/844 , H10K59/124 , H10K59/131 , H10K77/111 , G06F2203/04102 , G06F2203/04111 , G06F2203/04112 , H10K59/38
Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.
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公开(公告)号：US11599217B2
公开(公告)日：2023-03-07
申请号：US17547850
申请日：2021-12-10
Applicant: LG DISPLAY CO., LTD.
Inventor： Sang-Hyuk Won , Min-Joo Kim , Seon-Hee Lee
Abstract: A touch display device includes a display unit including a plurality of pixels disposed in an active area, an encapsulation unit disposed on the display unit, the encapsulation unit being configured to seal the plurality of pixels, and a touch sensor unit including an organic buffer layer disposed on the encapsulation unit and a plurality of touch sensors disposed on the organic buffer layer in the active area, wherein the end of the organic buffer layer and the end of the encapsulation unit are disposed in a bezel area adjacent to the bezel area so as to have a stepped end profile, and a plurality of touch routing lines connected to the plurality of touch sensors of the touch sensor unit and disposed in the bezel area is disposed along the stepped end profile of the end of the organic buffer layer and the end of the encapsulation unit.
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公开(公告)号：US11301100B2
公开(公告)日：2022-04-12
申请号：US16990522
申请日：2020-08-11
Applicant: LG Display Co., Ltd.
Inventor： Sang-Hyuk Won , Min-Joo Kim , Chang-Hyun Song , Yong-Il Kim , Jong-Won Lee
Abstract: A thin and lightweight display device is disclosed. An organic light-emitting display device having a touch sensor is configured such that an outer planarization layer fills a space between a plurality of dams, thereby preventing a short circuit between routing lines in the space between the dams, and such that touch electrodes are disposed on an encapsulation structure for encapsulating a light-emitting element, with the result that an additional bonding process is not required, whereby the process is simplified and cost is reduced.
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