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公开(公告)号：US20200152842A1
公开(公告)日：2020-05-14
申请号：US16674321
申请日：2019-11-05
Applicant: LG Display Co., Ltd.
Inventor： Chan Park , MoonGoo Kim , HyunWoo Cho , Wooseok Roh , HeungJu Jo , JeongKweon Park , SangGul Lee
Abstract: Provided is a display device. The display device includes a flexible substrate comprising an active area, and a non-active area surrounding a border of the active area; a thin-film transistor and a light-emitting element on the active area; an encapsulation unit over the thin-film transistor and the light-emitting element; a hole formed in the active area by removing a portion of the flexible substrate; a first common layer disposed on a side surface of the hole, extended from the light-emitting element and comprising same elements with the light-emitting element; and a tip protruding from the side surface of the hole. The first common layer disposed adjacent to the tip is disconnected from the light-emitting element.
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公开(公告)号：US10402019B2
公开(公告)日：2019-09-03
申请号：US15331398
申请日：2016-10-21
Applicant: LG DISPLAY CO., LTD.
Inventor： HeungJu Jo , JeongKweon Park , Chan Park , SangHyun Kwon
Abstract: Provided is a display device that includes a display panel defined with an active area displaying an image and an inactive area outside the active area, the display panel including a substrate having a first surface and a second surface opposite the first surface; a plurality of pixels on the first surface of the substrate in the active area, each pixel including a pixel drive circuit; a transparent conductive layer on the second surface of the substrate covering the active area and a part of the inactive area; and a metal pattern on the second surface of the substrate in the inactive area, the metal pattern electrically connected to the transparent conductive layer, receiving an electrical signal and having a lower resistance than the transparent conductive layer, wherein the metal pattern serves as a conductive path to reduce a potential difference with respect to the electrical signal in an entire area of the transparent conductive layer compared to a display device without the metal pattern.
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公开(公告)号：US09865627B2
公开(公告)日：2018-01-09
申请号：US14717561
申请日：2015-05-20
Applicant: LG DISPLAY CO., LTD.
Inventor： Chan Park , JeongKweon Park , SangEun Jun , HeungJu Jo
CPC classification number: H01L27/1262 , C23C14/042 , C23C14/34 , G06F2203/04107
Abstract: Disclosed is a method of manufacturing a display device having a display area and a non-display area, the method including aligning a mask over a substrate, the mask including a central shield portion, a peripheral shield portion outside the central shield portion, with an opening between the central shield portion and the peripheral shield portion, a holding portion in the opening that connects the central shield portion with the peripheral shield portion, and a diffusion area under the holding portion defined by a thickness difference of the mask between the holding portion and one of the central and peripheral shield portions; depositing a conductive material on the substrate through the mask to form a single pieced, loop-shaped conductive path surrounding the display area in the non-display area; and forming a transparent conductive layer on the substrate, the transparent conductive layer being continuously formed in the display and non-display areas and formed to be in direct contact with the single pieced, loop-shaped conductive path.
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公开(公告)号：US12179464B2
公开(公告)日：2024-12-31
申请号：US17843783
申请日：2022-06-17
Applicant: LG Display Co., Ltd.
Inventor： Doowon Seo , Wooseok Roh , Moongoo Kim , Chan Park , Eungchul Park
IPC: B32B17/06 , B32B3/30 , B32B37/16 , B32B38/10 , C03C15/00 , C03C17/00 , G02F1/1333 , H10K50/84 , H01L25/16 , H10K59/12
Abstract: Disclosed is a method for manufacturing ultra-thin glass. The method includes: patterning, on a mother glass substrate comprising a plurality of display cells and a dummy area surrounding the display cells, a cutting line having a shape corresponding to the display cells; forming a mother glass protective film on the mother glass substrate; forming a through-hole which corresponds to the cutting line by etching the mother glass substrate; and cutting bridges which are formed by the mother glass substrate and connect the through-holes.
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公开(公告)号：US12142229B2
公开(公告)日：2024-11-12
申请号：US17963100
申请日：2022-10-10
Applicant: LG Display Co., Ltd.
Inventor： Jongtaek Kim , Chan Park
IPC: G09G3/3291 , G09G3/20 , G09G3/3233
Abstract: Disclosed is a display device comprising: a display panel on which a plurality of pixels of different colors are arrayed; a power supply configured to supply a high-potential driving voltage to the display panel; and a data driver configured to calculate an average picture level of input image data, and generate a data voltage based on a compensation value for compensating for a voltage drop of the high-potential driving voltage based on the calculated APL, wherein the compensation value is independently set for each of the colors.
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Patent Agency Ranking
公开(公告)号：US10275102B2
公开(公告)日：2019-04-30
申请号：US15584614
申请日：2017-05-02
Applicant: LG DISPLAY CO., LTD.
Inventor： Heungju Jo , JeongKweon Park , Chan Park , SangGul Lee , SangEun Han
Abstract: Discussed is a display device in which a first pressure electrode configuring a pressure touch panel is adhered to a first polarizing film attached on a lower end of a panel. The display device includes a display panel displaying an image, a capacitive touch panel provided in the display panel and including a plurality of touch electrodes, a first polarizing film adhered to a first side surface of the display panel, a first pressure electrode part adhered to a first side surface of the first polarizing film and including a first pressure electrode, and a second pressure electrode part spaced apart from the first pressure electrode part and including a second pressure electrode facing the first pressure electrode.
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公开(公告)号：US12094424B2
公开(公告)日：2024-09-17
申请号：US17974320
申请日：2022-10-26
Applicant: LG DISPLAY CO., LTD.
Inventor： Hong Soon Kim , Chan Park , Nakyoon Kim
IPC: G09G3/3291 , G09G3/20 , G09G3/3233
CPC classification number: G09G3/3291 , G09G3/2074 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2310/0291 , G09G2310/0297 , G09G2330/021
Abstract: Embodiments of the disclosure relate to a display device and a data driving circuit. Specifically, there may be provided a display device with enhanced power efficiency and a data driving circuit by providing a display device including a display panel divided into an always-on display area displaying information during a standby screen period and a black grayscale area except for the always-on display area, an image display voltage output circuit outputting a data voltage to input to the always-on display area during the standby screen period, and a voltage stabilization circuit outputting a constant voltage to input to at least a partial area of the black grayscale area during the standby screen period.
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公开(公告)号：US11903238B2
公开(公告)日：2024-02-13
申请号：US16674321
申请日：2019-11-05
Applicant: LG Display Co., Ltd.
Inventor： Chan Park , MoonGoo Kim , HyunWoo Cho , Wooseok Roh , HeungJu Jo , JeongKweon Park , SangGul Lee
IPC: H10K50/844 , H10K59/12 , H10K77/10 , H10K102/00
CPC classification number: H10K50/844 , H10K59/12 , H10K77/111 , H10K2102/311
Abstract: Provided is a display device. The display device includes a flexible substrate comprising an active area, and a non-active area surrounding a border of the active area; a thin-film transistor and a light-emitting element on the active area; an encapsulation unit over the thin-film transistor and the light-emitting element; a hole formed in the active area by removing a portion of the flexible substrate; a first common layer disposed on a side surface of the hole, extended from the light-emitting element and comprising same elements with the light-emitting element; and a tip protruding from the side surface of the hole. The first common layer disposed adjacent to the tip is disconnected from the light-emitting element.
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公开(公告)号：US11699402B2
公开(公告)日：2023-07-11
申请号：US17974283
申请日：2022-10-26
Applicant: LG DISPLAY CO., LTD.
Inventor： Hogeun Koo , Hong Soon Kim , Chan Park
IPC: G09G3/3291
CPC classification number: G09G3/3291 , G09G2310/0297 , G09G2310/061 , G09G2320/0233
Abstract: Embodiments of the disclosure relate to a display device and a data driving circuit. The display device comprises a display panel including a plurality of subpixels and a plurality of data lines electrically connected with the plurality of subpixels and a data driving circuit outputting a data voltage to the plurality of data lines, wherein the data driving circuit outputs the data voltage for image display to the plurality of data lines during an active period and outputs a step voltage to stepwise decrease a level of the data voltage to a preset target voltage level or stepwise increase the level of the data voltage from the target voltage level during a blank period different from the active period. Specifically, there may be provided a display device and a data driving circuit capable of enhancing display quality in a dark mura area and a bright mura area by outputting a step voltage to stepwise decrease the level of a data voltage to a preset target voltage level or stepwise increase the level of the data voltage from the target voltage level during a blank period.
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公开(公告)号：US20210202901A1
公开(公告)日：2021-07-01
申请号：US17123448
申请日：2020-12-16
Applicant: LG Display Co., Ltd.
Inventor： Woo-Seok Roh , Moon-Goo Kim , Eui-Jun Lee , Chan Park
Abstract: A display device includes a cover window and a display module bonded to the cover window at a front side of the display module. The display module also includes a display panel. The display device includes a metal deposition film formed on a rear surface and side surfaces of the display module.
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