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公开(公告)号：US20220300138A1
公开(公告)日：2022-09-22
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
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：US20220091719A1
公开(公告)日：2022-03-24
申请号：US17544593
申请日：2021-12-07
Applicant: LG DISPLAY CO., LTD.
Inventor： Jae-Won LEE , Min-Joo KIM , Sang-Hyuk WON , Jae-Hyung JANG
IPC: G06F3/041
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：US20220100307A1
公开(公告)日：2022-03-31
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：US20210191553A1
公开(公告)日：2021-06-24
申请号：US17111462
申请日：2020-12-03
Applicant: LG Display Co., Ltd.
Inventor： Jae-Hyung JANG , Min-Joo KIM , Jae-Won LEE , Sang-Hoon PAK , Sang-Hyuk WON
Abstract: A touch display device for preventing damage to test patterns is configured such that a test cover layer, which is formed of the same material as at least one of a plurality of insulating films disposed between a light-emitting element and a touch electrode, is disposed on a test pattern formed on a peripheral portion of a substrate, thereby preventing damage to the test pattern during the process of manufacturing a touch sensor.
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公开(公告)号：US20180350884A1
公开(公告)日：2018-12-06
申请号：US15991900
申请日：2018-05-29
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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Patent Agency Ranking
公开(公告)号：US20210200364A1
公开(公告)日：2021-07-01
申请号：US17134375
申请日：2020-12-26
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：US20200373362A1
公开(公告)日：2020-11-26
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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公开(公告)号：US20200152707A1
公开(公告)日：2020-05-14
申请号：US16666136
申请日：2019-10-28
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：US20240113152A1
公开(公告)日：2024-04-04
申请号：US18535829
申请日：2023-12-11
Applicant: LG Display Co., Ltd.
Inventor： Dong-Il CHU , Min-Joo KIM , Jae-Won LEE , Sang-Hoon PAK , Sang-Hyuk WON , Seung-Hyun YOUK , Seon-Hee LEE
IPC: H01L27/15 , H01L29/786 , H01L33/12 , H01L33/38 , H01L33/62
CPC classification number: H01L27/156 , H01L29/78618 , H01L29/7869 , H01L33/12 , H01L33/38 , H01L33/62
Abstract: A display apparatus can include a substrate having a penetrating area and a separating area, the penetrating area including a substrate hole, a first buffer layer having a first-buffer lower layer, and a first-buffer upper layer, a first thin film transistor including a first semiconductor pattern, a first gate electrode, and a first source electrode and a first drain electrode, a first interlayer insulating film; a second interlayer insulating film, an opening extending through the second interlayer insulating film, the first interlayer insulating film, the first gate insulating film and the first-buffer upper layer, and a separation structure in the opening, the separation structure including a first separation layer having a same stacked structure as the first-buffer upper layer, a second separation layer having a same stacked structure as the first gate insulating film, and a third separation layer having a same stacked structure as the first gate electrode.
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公开(公告)号：US20220190048A1
公开(公告)日：2022-06-16
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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