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公开(公告)号：US20220037439A1
公开(公告)日：2022-02-03
申请号：US17390227
申请日：2021-07-30
Applicant: LG Display Co., Ltd.
Inventor： Soyoung LEE , Hun JANG , Daeyoung SEO
IPC: H01L27/32
Abstract: A pixel is discussed, which is disposed in a pixel area defined by a gate line, a data line and a pixel power line, and includes a light emission portion and a pixel circuit, wherein the pixel circuit can include a protrusion electrode protruded from the gate line along a length direction of the data line, and first and second thin film transistors disposed in parallel between the light emission portion and the gate line, using the protrusion electrode as a gate electrode.
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公开(公告)号：US20190056839A1
公开(公告)日：2019-02-21
申请号：US16103246
申请日：2018-08-14
Applicant: LG Display Co., Ltd.
Inventor： SeungHwan SHIN , Soyoung LEE
Abstract: An embodiment disclosed herein provides a display device including: a display panel including a driving signal line, a sensing signal line, a data line extending in a first direction and configured to apply a data signal to a pixel, and a photosensor circuit controllable by a first power signal and configured to output a sensing signal to the sensing signal line according to a driving signal received through the driving signal line; a sensing-driving circuit configured to output the driving signal supplied through the driving signal line and to detect the sensing signal from the sensing signal line; and a power supply unit configured to supply the first power signal, wherein the data line is disposed in a region where the photosensor circuit is disposed.
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3.发明申请公开(公告)号：US20170018574A1
公开(公告)日：2017-01-19
申请号：US14953764
申请日：2015-11-30
Applicant: LG Display Co., Ltd.
Inventor： Youngmin JEONG , Seunghwan SHIN , Daeyoung SEO , Soyoung LEE
IPC: H01L27/12
CPC classification number: H01L27/124 , G02F1/134363 , G02F1/136286 , G02F2001/13629 , G02F2001/136295 , G02F2201/40 , H01L27/1237 , H01L27/1259 , H01L27/1262 , H01L27/1288
Abstract: A display device is described that has reduced resistance in one or more of the gate, common, data electrical lines that control the operation of the pixels of the display device. Reduced resistance is achieved by forming additional metal and/or metal-alloy layers on the gate, common, and/or data lines in such a manner so that the cross-sectional area of those lines is increased. As a consequence, each such line is formed so as to be thicker than could otherwise be achieving without causing defects in the rubbing process of an alignment layer. Additionally, no widening of these lines is needed, thus preserving the aspect ratio of the device. The gate insulating and semiconducting layers that in part make up the thin film transistors that help control the operation of the pixels of the device may also be designed to take into account the increased thickness of the lines.
Abstract translation: 描述了在控制显示装置的像素的操作的一个或多个栅极，公共数据电线中降低电阻的显示装置。 通过在栅极，公共和/或数据线上形成额外的金属和/或金属合金层，使得这些线的横截面面积增加，可实现降低电阻。 结果，每个这样的线形成为比否则可以实现的厚，而不引起对准层的摩擦过程中的缺陷。 另外，不需要扩大这些线，因此保持了装置的纵横比。 部分地构成薄膜晶体管的栅极绝缘层和半导体层有助于控制器件的像素的操作也可以被设计成考虑到线的增加的厚度。
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公开(公告)号：US20240258485A1
公开(公告)日：2024-08-01
申请号：US18422944
申请日：2024-01-25
Applicant: LG Display Co., Ltd.
Inventor： Youngin JANG , Yongmin HA , Kwangsu LIM , Soyoung LEE , Hyungon KIM
IPC: H01L33/62 , H01L25/075
CPC classification number: H01L33/62 , H01L25/0753
Abstract: A display apparatus in one example includes a wiring substrate having a plurality of link lines, a display part disposed on the wiring substrate, the display part including a plurality of light-emitting elements and a plurality of signal lines, a first pad electrode overlapping an end of the plurality of link lines, a second pad electrode overlapping an end of the plurality of signal lines, and a conductive pattern electrically connected to the first pad electrode and the second pad electrode.
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公开(公告)号：US20240178359A1
公开(公告)日：2024-05-30
申请号：US18139118
申请日：2023-04-25
Applicant: LG Display Co., Ltd.
Inventor： YoungIn JANG , Soyoung LEE , HyunGon KIM
CPC classification number: H01L33/62 , G09F9/3026 , G09F9/33 , H01L25/0753 , H01L25/167 , H01L27/124 , H01L33/32 , H01L33/382
Abstract: A display device can includes a substrate in which a plurality of sub pixels are defined; a light emitting diode disposed in a sub pixel among the plurality of sub pixels on the substrate; and a first transistor which is disposed in the sub pixel and configured to supply a driving current to the light emitting diode. Also, the first transistor can be a high electron mobility transistor (HEMT). Accordingly, the first transistor can have a high electron mobility to supply a high current to the light emitting diode and display a high luminous image.
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Patent Agency Ranking
公开(公告)号：US20220037452A1
公开(公告)日：2022-02-03
申请号：US17390521
申请日：2021-07-30
Applicant: LG Display Co., Ltd.
Inventor： Daeyoung SEO , Hun JANG , Soyoung LEE
IPC: H01L27/32
Abstract: A display device according to an example includes a first power sharing line disposed to be parallel with a first direction, first and second pixels disposed along a second direction crossing the first direction with the first power sharing line interposed therebetween, and a second power sharing line disposed to be parallel with the first power sharing line with any one of the first and second pixels interposed therebetween.
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公开(公告)号：US20190056822A1
公开(公告)日：2019-02-21
申请号：US16102942
申请日：2018-08-14
Applicant: LG Display Co., Ltd.
Inventor： Soyoung LEE , SeungHwan SHIN
Abstract: Provided are a display device and a sensing method thereof that include: a display panel comprising a plurality of pixels; a first sensing unit configured to detect a touch of the display panel and output a first sensing signal; a second sensing unit configured to detect light and output a second sensing signal; a sensing driver IC configured to output the first sensing signal and the second sensing signal received from the first sensing unit and the second sensing unit as sensing voltages; and a controller configured to divide the sensing voltages received from the sensing device IC into the first sensing signal and the second sensing signal.
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8.发明申请公开(公告)号：US20180083039A1
公开(公告)日：2018-03-22
申请号：US15801120
申请日：2017-11-01
Applicant: LG Display Co., Ltd.
Inventor： Youngmin JEONG , Seunghwan SHIN , Daeyoung SEO , Soyoung LEE
IPC: H01L27/12 , G02F1/1362 , G02F1/1343
CPC classification number: H01L27/124 , G02F1/134363 , G02F1/136286 , G02F2001/13629 , G02F2001/136295 , G02F2201/40 , H01L27/1237 , H01L27/1259 , H01L27/1262 , H01L27/1288
Abstract: A display device is described that has reduced resistance in one or more of the gate, common, data electrical lines that control the operation of the pixels of the display device. Reduced resistance is achieved by forming additional metal and/or metal-alloy layers on the gate, common, and/or data lines in such a manner so that the cross-sectional area of those lines is increased. As a consequence, each such line is formed so as to be thicker than could otherwise be achieving without causing defects in the rubbing process of an alignment layer. Additionally, no widening of these lines is needed, thus preserving the aspect ratio of the device. The gate insulating and semiconducting layers that in part make up the thin film transistors that help control the operation of the pixels of the device may also be designed to take into account the increased thickness of the lines.
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公开(公告)号：US20240145656A1
公开(公告)日：2024-05-02
申请号：US18386363
申请日：2023-11-02
Applicant: LG Display Co., Ltd.
Inventor： YoungIn JANG , Soyoung LEE , HyunGon KIM
CPC classification number: H01L33/62 , H01L25/167 , H01L33/60 , H01L2933/0066
Abstract: According to an aspect of the present disclosure, a display device includes: a substrate on which a plurality of sub-pixels is defined; a light-emitting element disposed on each of the plurality of sub-pixels and having an inversely tapered shape; a first connection electrode configured to surround a side surface of a lower portion of the light-emitting element; a second connection electrode configured to cover an upper portion of the light-emitting element; and a first planarization layer disposed between the first connection electrode and the second connection electrode. Therefore, the first connection electrode, which surrounds a lower portion of the light-emitting element, may be formed to be spaced apart from an upper portion of the light-emitting element by using the light-emitting element having an inversely tapered shape.
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公开(公告)号：US20220037440A1
公开(公告)日：2022-02-03
申请号：US17388819
申请日：2021-07-29
Applicant: LG DISPLAY CO., LTD.
Inventor： Hun JANG , Daeyoung SEO , Soyoung LEE
IPC: H01L27/32
Abstract: A pixel comprises a pixel circuit connected to gate and data lines, and a light emitting diode having a first electrode connected to the pixel circuit, wherein the pixel circuit may include a driving thin film transistor connected to the first electrode of the light emitting diode, a first capacitor formed in a horizontal direction between a gate electrode and a source electrode of the driving thin film transistor, and a second capacitor formed in a vertical direction between the gate electrode of the driving thin film transistor and the first electrode of the light emitting diode.
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