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公开(公告)号：US11177339B2
公开(公告)日：2021-11-16
申请号：US16895607
申请日：2020-06-08
Applicant: LG DISPLAY CO., LTD.
Inventor： Dohyung Kim , Jonghyeok Im , Jaesung Lee , Seungwon Yoo
Abstract: An organic light-emitting display device can include a low-level voltage line; a passivation layer that lies over the low-level voltage line; a planarization layer that lies over the passivation layer; an anode and an auxiliary electrode that lie on the planarization layer and the passivation layer, the auxiliary electrode is electrically connected to the low-level voltage line; a bank layer that lies over the anode, the planarization layer and the passivation layer and defines a light-emitting area; an organic emissive layer over the light-emitting area; and a cathode disposed on the organic light-emitting layer, in which the cathode is connected to a side of a protruding portion where the auxiliary electrode protrudes from the planarization layer.
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公开(公告)号：US11063104B2
公开(公告)日：2021-07-13
申请号：US16719219
申请日：2019-12-18
Applicant: LG Display Co., Ltd.
Inventor： Hyoung-Su Kim , Jonghyeok Im , Gyungmin Kim
Abstract: A display device can include a first sub pixel disposed on a substrate; a second sub pixel disposed on the substrate, the second sub pixel being adjacent to the first sub pixel; a first electrode disposed in each of the first and second sub pixels; a first capacitor disposed on the first electrode in each of the first and second sub pixels, the first capacitor being located at a periphery of the corresponding first electrode; an emission layer disposed on the first electrode in each of the first and second sub pixels; and a second electrode disposed on the emission layer in each of the first and second sub pixels.
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公开(公告)号：US10971700B2
公开(公告)日：2021-04-06
申请号：US16224382
申请日：2018-12-18
Applicant: LG DISPLAY CO., LTD.
Inventor： Jonghyeok Im , Jaesung Lee , Dohyung Kim , Seungwon Yoo
IPC: H01L27/32 , H01L51/52 , G09G3/3233 , G09G3/3208
Abstract: An organic light emitting diode display is discussed. The organic light emitting diode display can include a substrate including a thin film transistor region in which a thin film transistor and an organic light emitting diode connected to the thin film transistor are disposed, and an auxiliary electrode region in which an auxiliary electrode is disposed, a barrier disposed on the auxiliary electrode, a cathode included in the organic light emitting diode, divided by the barrier, and exposing at least a portion of the auxiliary electrode, an end of the cathode being in direct contact with the auxiliary electrode, and a cover layer disposed on the cathode, the cover layer having continuity to cover the barrier and the auxiliary electrode.
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公开(公告)号：US10446627B2
公开(公告)日：2019-10-15
申请号：US16035308
申请日：2018-07-13
Applicant: LG DISPLAY CO., LTD.
Inventor： Jonghyeok Im , SeJune Kim , Joonsuk Lee , SoJung Lee , Jin-Hee Jang , JaeSung Lee
Abstract: A method of manufacturing an organic light emitting display device can include providing a source electrode, a drain electrode and a signal pad on a substrate; providing a passivation layer on the source electrode, the drain electrode and the signal pad, providing a planarization layer on the passivation layer; providing a anode electrode connected with the source electrode or drain electrode, and providing an auxiliary electrode spaced apart from the anode electrode; providing a contact hole for exposing the signal pad by removing a predetermined portion of the passivation layer; providing a bank on one side and the other side of the anode electrode and one side and the other side of the auxiliary electrode; providing an organic emitting layer on the anode electrode; and providing a cathode electrode connected with the auxiliary electrode and provided on the organic emitting layer, in which the signal pad includes a lower signal pad, a central signal pad and an upper signal pad, and the central signal pad is surrounded by the lower signal pad, the upper signal pad and the passivation layer.
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公开(公告)号：US09620733B2
公开(公告)日：2017-04-11
申请号：US14985483
申请日：2015-12-31
Applicant: LG Display Co., Ltd.
Inventor： SeJune Kim , Joonsuk Lee , SoJung Lee , Jin-Hee Jang , Jonghyeok Im , JaeSung Lee
CPC classification number: H01L51/56 , H01L27/1248 , H01L27/3246 , H01L27/3248 , H01L27/3258 , H01L27/326 , H01L27/3262 , H01L27/3276 , H01L51/0023 , H01L51/5203 , H01L51/5212 , H01L51/5228 , H01L51/5237 , H01L2227/323
Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. An organic light-emitting display apparatus includes: a substrate including an active area and a pad area, an anode electrode in the active area, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode, a signal pad in the pad area, and a first pad electrode connected to the signal pad, the first pad electrode covering a top of the signal pad, the first pad electrode being configured to prevent the top of the signal pad from being corroded, wherein the auxiliary electrode includes a first auxiliary electrode and a second auxiliary electrode connected to the first auxiliary electrode through a contact hole, and wherein the first pad electrode includes a same material as the first auxiliary electrode.
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Patent Agency Ranking
16.发明授权公开(公告)号：US09349780B2
公开(公告)日：2016-05-24
申请号：US14095915
申请日：2013-12-03
Applicant: LG Display Co., Ltd.
Inventor： YongChul Kim , Jonghyeok Im
IPC: H01L27/32
CPC classification number: H01L27/3258 , H01L27/322 , H01L27/3246 , H01L27/326 , H01L2251/5323
Abstract: A transparent organic light emitting display device and a method of manufacturing the transparent organic light emitting display device are provided. The transparent organic light emitting display device comprises a plurality of sub pixel regions, each having a emissive area and a transmissive area, a thin film transistor disposed in the emissive area, and an organic light emitting element electrically connected to the thin film transistor. While the emissive area emits light to display image on the display device, the transmissive area allows the external light to be passed through the display device so that objects behind the display device can be viewed simultaneously with the displayed image.
Abstract translation: 提供透明有机发光显示装置和制造透明有机发光显示装置的方法。 透明有机发光显示装置包括多个子像素区域，每个子像素区域具有发射区域和透射区域，设置在发射区域中的薄膜晶体管和与薄膜晶体管电连接的有机发光元件。 当发射区域发光以在显示装置上显示图像时，透射区域允许外部光线通过显示装置，使得能够与所显示的图像同时观看显示装置后面的物体。
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公开(公告)号：US12236034B2
公开(公告)日：2025-02-25
申请号：US18624885
申请日：2024-04-02
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , JaeHee Park , MiReum Lee
Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line, and may detect a defective touch sensor. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area, a plurality of touch sensors respectively provided in the plurality of transmissive areas, including a touch sensor electrode, a plurality of pixels provided in the non-transmissive area, including a plurality of subpixels, a plurality of driving transistors respectively connected to the plurality of subpixels, a plurality of touch transistors respectively connected to the plurality of touch sensors, and a reference line applying a reference voltage to the plurality of driving transistors in accordance with a control signal or transferring a voltage of each of the plurality of touch sensors to an analog-to-digital converter through the plurality of touch transistors.
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公开(公告)号：US11974489B2
公开(公告)日：2024-04-30
申请号：US18058192
申请日：2022-11-22
Applicant: LG Display Co., Ltd.
Inventor： Hyoung-Su Kim , Jonghyeok Im , Gyungmin Kim
IPC: G09G3/3266 , G09G3/3233 , G09G3/3275 , H04N23/57 , H10K59/121 , H10K59/65 , H04M1/02
CPC classification number: H10K59/65 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H04N23/57 , H10K59/1216 , G09G2300/0809 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0221 , G09G2310/08 , H04M1/0264 , H04M1/0266
Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area having a transparent area and an opaque area, and a non-display area. A gate driver is configured to sequentially supply a gate pulse to a plurality of gate lines included in the organic light emitting display panel. An initialization circuit is configured to transfer gate pulses or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera is configured to photograph a region in a forward direction with respect to the organic light emitting display panel, and the camera may be provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area may differ from a second pixel driving circuit provided in the opaque area.
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公开(公告)号：US11917877B2
公开(公告)日：2024-02-27
申请号：US18151862
申请日：2023-01-09
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , Hyoung-Su Kim , Gyungmin Kim
IPC: H10K59/131 , H10K50/84 , H10K50/856 , H10K59/35 , H10K59/38
CPC classification number: H10K59/131 , H10K50/84 , H10K50/856 , H10K59/35 , H10K59/38
Abstract: A display device includes a substrate provided with a plurality of pixels, a circuit element layer provided on the substrate and provided with an auxiliary electrode, an insulating layer provided on the circuit element layer and provided with a plurality of connection electrodes spaced apart from one another and a first trench, a fence structure provided on the plurality of connection electrodes, an organic light emitting layer provided on the fence structure, and a second electrode arranged on the organic light emitting layer, wherein the plurality of connection electrodes are electrically connected with the auxiliary electrode, at least one of the plurality of connection electrodes is exposed from the first trench, and the second electrode is in contact with a connection electrode exposed from the first trench. Therefore, a luminance difference between an outer portion of a panel and a center portion of the panel may be reduced.
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公开(公告)号：US11362147B2
公开(公告)日：2022-06-14
申请号：US16526540
申请日：2019-07-30
Applicant: LG Display Co., Ltd.
Inventor： Ho-Jin Kim , Jonghyeok Im , Sukhyeun Jang , SeungMin Baik , JiYeon Park
Abstract: A display device includes: a substrate including: first to third subpixels, an insulating layer including a trench on the substrate between at least two among the first to third subpixels, a first electrode on the insulating layer in each of the first to third subpixels, a fence in each of the first to third subpixels, the fence surrounding an edge of the first electrode, a light-emitting layer on the first electrode, the fence, and the insulating layer, a second electrode on the light-emitting layer, and a color filter layer including: a first color filter in the first subpixel, a second color filter in the second subpixel, and a third color filter in the third subpixel, wherein the second color filter is wider than the first color filter, and wherein the second color filter partially overlaps the first subpixel.
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