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公开(公告)号：US20230089997A1
公开(公告)日：2023-03-23
申请号：US18072400
申请日：2022-11-30
Applicant: LG Display Co., LTD.
Inventor： SoJung LEE , JongSung KIM , Seungkyeom KIM , Sumin LEE
Abstract: A light emitting display device can include a substrate including an emission area and a non-emission area, a thin film transistor on the substrate, a first overcoating layer on the thin film transistor, an organic light emitting diode on the first overcoating layer and connected to the thin film transistor, an encapsulation unit on the organic light emitting diode, and a touch unit on the encapsulation unit. The touch unit can include an open area defined by a plurality of touch electrodes. The organic light emitting diode can include a first electrode, an emission layer and a second electrode. Further, a portion of the first electrode and a portion of a side mirror-shaped dummy first electrode separated from the first electrode can be disposed in the open area defined by the plurality of touch electrodes.
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公开(公告)号：US20250089423A1
公开(公告)日：2025-03-13
申请号：US18767047
申请日：2024-07-09
Applicant: LG Display Co., Ltd.
Inventor： ByungHyun LEE , Daeyoung SEO , MinSeok KIM , TaeYong KIM , Sumin LEE
IPC: H01L33/62 , H01L25/075 , H01L25/16 , H01L27/12 , H01L33/40
Abstract: According to an aspect of the present disclosure, a display device includes a substrate configured to define a plurality of pixel areas, and a plurality of transmissive areas disposed between the plurality of pixel areas; a plurality of pixels disposed in the plurality of pixel areas and each including a plurality of sub pixels; light-emitting elements respectively disposed in the plurality of sub pixels and each including a first electrode; and a repair line disposed between a pair of adjacent sub pixels among the plurality of sub pixels, in which the light-emitting elements of the pair of sub pixels are disposed so that the first electrodes are directed toward the repair line. Therefore, the repair line may be formed to repair the plurality of sub pixels when the plurality of sub pixels is defective, thereby improving the yield of the display device.
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公开(公告)号：US20230215905A1
公开(公告)日：2023-07-06
申请号：US18063643
申请日：2022-12-08
Applicant: LG Display Co., Ltd.
Inventor： Aram SOHN , DaeHeung LEE , JuHyuk KIM , Byonghoo KIM , Sumin LEE
CPC classification number: H01L27/156 , H01L33/40 , H01L33/46 , H01L33/56 , H01L33/0083 , H01L33/0095 , H01L33/501
Abstract: A display device according to an example embodiment of the present disclosure includes a first substrate including an active area including a plurality of pixels and a non-active area surrounding the active area; a plurality of LEDs disposed in the plurality of pixels on the first substrate; a planarization layer disposed to surround the plurality of LEDs; a bank disposed on the planarization layer and including a black material; a reflection-reducing layer disposed on the bank and having a reflectance varying according to temperature; and a heat dissipation layer disposed on the reflection-reducing layer.
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Patent Agency Ranking
公开(公告)号：US20250048736A1
公开(公告)日：2025-02-06
申请号：US18677625
申请日：2024-05-29
Applicant: LG Display Co., Ltd.
Inventor： Sumin LEE , ByungHyun LEE , Daeyoung SEO , MinSeok KIM , TaeYong KIM
Abstract: A display device is disclosed. An example display device according to an embodiment of the present disclosure includes a substrate configured to define a plurality of pixel areas disposed to be spaced apart from each other. The device includes a plurality of transmissive areas disposed between the plurality of pixel areas. The device includes a plurality of pixels disposed in the plurality of pixel areas and each including a plurality of sub pixels. The device includes a plurality of repair lines disposed between the plurality of sub pixels and made of a transparent conductive material, in which the plurality of repair lines is disposed on the same layer and spaced apart from each other. Therefore, the repair lines, which are used to repair the plurality of sub pixels when the plurality of sub pixels is defective, may be formed as a single-layer structure made of a transparent conductive material.
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公开(公告)号：US20220208895A1
公开(公告)日：2022-06-30
申请号：US17551940
申请日：2021-12-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Hyejeong PARK , Sumin LEE , Youngmin OH
IPC: H01L27/32
Abstract: An organic light-emitting display device includes a first substrate having sub-pixel areas, each sub-pixel area having a light-emitting area and a non-light-emitting area; thin-film transistors respectively in non-light-emitting areas of the sub-pixel areas; a first planarization layer in the sub-pixel areas while covering the thin-film transistors; organic light-emitting elements on the first planarization layer and in light-emitting areas of the sub-pixel areas; a liquid crystal layer on the organic light-emitting elements and in the sub-pixel areas and in an area between the sub-pixel areas; and a second substrate on the liquid crystal layer. Liquid crystal molecules of the liquid crystal layer in the light-emitting areas are in a hybrid alignment. In the hybrid alignment, an alignment of the liquid crystal molecules gradually changes from a horizontal alignment to a vertical alignment. Liquid crystal molecules of the liquid crystal layer in the non-light-emitting areas are in a tilted alignment.
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公开(公告)号：US20240222577A1
公开(公告)日：2024-07-04
申请号：US18494525
申请日：2023-10-25
Applicant: LG Display Co., Ltd.
Inventor： Byonghoo KIM , Eunsoo CHANG , Sumin LEE
IPC: H01L33/58 , G06F3/041 , G06F3/044 , H01L25/075 , H01L33/20
CPC classification number: H01L33/58 , G06F3/0412 , G06F3/0443 , H01L25/0753 , H01L33/20
Abstract: The present disclosure relates to a display device. More particularly, the display device includes a touch sensor unit disposed on the encapsulation layer of the display panel and a lens layer disposed on the touch sensor unit, the touch sensor unit includes a plurality of bridge electrodes disposed on the encapsulation layer, an optical gap layer disposed on the bridge electrodes to expose at least a part of each of the plurality of bridge electrodes, and a touch electrode disposed to be in contact with each of the plurality of exposed bridge electrodes, and the optical gap layer includes a sub-lens layer disposed corresponding to the plurality of LEDs, a cylindrical structure layer disposed on the sub-lens layer to correspond to the plurality of LEDs, and an overcoating layer that covers the sub-lens layer and the cylindrical structure layer to planarize an upper surface.
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公开(公告)号：US20220199712A1
公开(公告)日：2022-06-23
申请号：US17528708
申请日：2021-11-17
Applicant: LG DISPLAY CO., LTD
Inventor： WonKi PARK , Sumin LEE
IPC: H01L27/32
Abstract: A display device having switchable viewing angle includes a display panel including a first emission area, a second emission area, a third emission area and a fourth emission area, from which light in different wavelength bands is emitted, and a transparent photochromic layer disposed on at least one surface of the display panel, wherein each of the first emission area, the second emission area and the third emission area emits light in a wavelength band of visible light, the fourth emission area emits light in a wavelength band of ultraviolet ray, and when the fourth emission area is in an emission state, an area of the photochromic layer including the area corresponding to the fourth emission area is an opaque area, and wherein when the fourth emission area is in a non-emission state, an area of the photochromic layer including the area corresponding to the fourth emission area is a transparent region, thereby providing a display device capable of switching viewing angles.
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公开(公告)号：US20240204146A1
公开(公告)日：2024-06-20
申请号：US18526862
申请日：2023-12-01
Applicant: LG Display Co., Ltd.
CPC classification number: H01L33/44 , H01L25/167 , H01L33/387 , H01L2933/0025
Abstract: Provided is a display device that includes a substrate having thereon a plurality of sub pixels, first and second assembly lines which are spaced apart from each other, a first upper planarization layer on the first assembly line and the second assembly line and has an opening overlapping the first assembly line and the second assembly line. The device includes a light emitting diode on the opening and includes a first electrode, a first semiconductor layer, an emission layer, a second semiconductor layer, and a second electrode, a contact electrode which couples the first assembly line and the second assembly line and the first electrode, and an organic insulating layer above the first upper planarization layer and in a part of the opening and covers a part of a side surface of the light emitting diode. Thus, a fixing force of a light emitting diode can be improved.
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