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公开(公告)号：US10008555B2
公开(公告)日：2018-06-26
申请号：US15458898
申请日：2017-03-14
Applicant: LG Display Co., Ltd.
Inventor： DongHee Yoo , TaeHan Park , KyungHoon Lee
Abstract: Disclosed are an organic light emitting display device and a method of manufacturing the same, which reduce a loss of light emitted from an organic light emitting device, increase a lifetime of the organic light emitting device, and decrease consumption power of the organic light emitting display device. The organic light emitting display device includes a first electrode disposed on a first substrate, a bank disposed on the first electrode for dividing a plurality of emission parts, an organic light emitting layer disposed on the first electrode and the bank, a second electrode disposed on the organic light emitting layer, and an encapsulation layer disposed on the second electrode. The encapsulation layer fills a space between adjacent banks, and a refractive index of the bank is lower than a refractive index of the organic light emitting layer and a refractive index of the encapsulation layer.
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公开(公告)号：US12041817B2
公开(公告)日：2024-07-16
申请号：US17968451
申请日：2022-10-18
Applicant: LG DISPLAY CO., LTD.
Inventor： JongSung Kim , TaeHan Park , Howon Choi , Dongyoung Kim
IPC: H10K50/84 , H10K50/85 , H10K50/856 , H10K50/86 , H10K59/12 , H10K59/65 , H10K77/10 , G02F1/1333 , G02F1/1335 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K50/80 , H10K50/818 , H10K50/842 , H10K59/122 , H10K59/13 , H10K59/35 , H10K102/00
CPC classification number: H10K50/856 , H10K50/841 , H10K50/86 , H10K59/12 , H10K59/65 , H10K77/111 , G02F1/133331 , G02F1/133528 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/171 , H10K50/18 , H10K50/818 , H10K50/8426 , H10K50/868 , H10K59/122 , H10K59/13 , H10K59/35 , H10K2102/00 , H10K2102/311
Abstract: A display apparatus includes a display panel having a front area and a side area, a main body supporting the display panel, an auxiliary member arranged inside the main body, and a semi-transmissive mirror arranged between the auxiliary member and the front area, wherein the side area of the display panel may be arranged inside the main body to face the semi-transmissive mirror. Since an image partially emitted from the display panel may be reflected toward the front area, auxiliary members such as a camera, an illumination sensor, and a proximity sensor may be arranged inside the main body (or below a display) to embody a full screen display, whereby a user's satisfaction may be enhanced and a manufacturing process may be simplified.
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公开(公告)号：US11653515B2
公开(公告)日：2023-05-16
申请号：US17079187
申请日：2020-10-23
Applicant: LG Display Co., Ltd.
Inventor： TaeHan Park , JongSung Kim , Howon Choi , Dongyoung Kim
IPC: H10K50/125 , H10K59/122 , H10K59/35 , H10K50/858 , H10K50/15 , H10K50/19 , H10K50/11 , H10K59/38 , H10K50/155 , H10K59/12 , H10K50/14 , H10K59/32 , H01L51/50 , H01L27/32 , H01L51/52
CPC classification number: H01L51/5036 , H01L27/3209 , H01L27/3211 , H01L27/3218 , H01L27/3246 , H01L51/5012 , H01L51/5056 , H01L51/5275 , H01L51/5278 , H01L27/322 , H01L27/3244 , H01L51/506 , H01L51/5048
Abstract: An electroluminescent display device is disclosed. The electroluminescent display device includes a substrate having thereon a first sub pixel and a second sub pixel, a first electrode in each of the first sub pixel and the second sub pixel on the substrate, an organic layer with P-type polarity or N-type polarity on the first electrode, and a second electrode on the organic layer. The organic layer provided in the first sub pixel and the organic layer provided in the second sub pixel are spaced apart from each other with a doping layer provided in the boundary area between the first sub pixel and the second sub pixel. The doping layer is doped with dopant whose polarity is opposite to that of the organic layer.
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公开(公告)号：US11289546B2
公开(公告)日：2022-03-29
申请号：US16712505
申请日：2019-12-12
Applicant: LG Display Co., Ltd.
Inventor： Jiho Ryu , TaeHan Park , Dongyoung Kim
Abstract: A transparent display device for providing only a viewer located at the front with an image is disclosed. The transparent display device comprises a substrate provided with a first subpixel, a second subpixel and a third subpixel, a first electrode provided in each of the first subpixel, the second subpixel and the third subpixel on the substrate, a light emitting layer provided on the first electrode, a second electrode provided on the light emitting layer, an upper color filter provided over the second electrode, a lower color conversion layer provided between the substrate and the first electrode, and a lower color filter provided between the substrate and the lower color conversion layer.
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公开(公告)号：US20230217697A1
公开(公告)日：2023-07-06
申请号：US18070997
申请日：2022-11-29
Applicant: LG Display Co., Ltd.
Inventor： TaeHan Park , Saehoon Oh , AhnKi Kim
CPC classification number: H01L51/5281 , H01L27/3272
Abstract: A thin film transistor array substrate comprises a substrate, a light shielding layer provided on the substrate, and a thin film transistor provided overlapped by the light shielding layer, wherein the thin film transistor includes a semiconductor layer on the light shielding layer, a gate insulating layer on the semiconductor layer, a gate electrode on the gate insulating layer, and a source electrode connected to a first side of the semiconductor layer and a drain electrode connected to a second side of the semiconductor layer, wherein at least one of the light shielding layer, the gate electrode, the source electrode, and the drain electrode includes a first quantum-dot layer.
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Patent Agency Ranking
公开(公告)号：US11508941B2
公开(公告)日：2022-11-22
申请号：US17135912
申请日：2020-12-28
Applicant: LG Display Co., Ltd.
Inventor： JongSung Kim , TaeHan Park , Howon Choi , Dongyoung Kim
IPC: H01L51/00 , H01L51/50 , H01L51/52 , H01L27/32 , G02F1/1335 , G02F1/1333
Abstract: A display apparatus includes a display panel having a front area and a side area, a main body supporting the display panel, an auxiliary member arranged inside the main body, and a semi-transmissive mirror arranged between the auxiliary member and the front area, wherein the side area of the display panel may be arranged inside the main body to face the semi-transmissive mirror. Since an image partially emitted from the display panel may be reflected toward the front area, auxiliary members such as a camera, an illumination sensor, and a proximity sensor may be arranged inside the main body (or below a display) to embody a full screen display, whereby a user's satisfaction may be enhanced and a manufacturing process may be simplified.
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公开(公告)号：US11211578B2
公开(公告)日：2021-12-28
申请号：US16726486
申请日：2019-12-24
Applicant: LG Display Co., Ltd.
Inventor： TaeHan Park , Jiho Ryu , Dongyoung Kim
Abstract: A display device includes a substrate with a first subpixel and a second subpixel; a first electrode on the substrate, including a first sub electrode provided on the first subpixel and a second sub electrode on the second subpixel; an organic light emitting layer on the first electrode; a second electrode on the organic light emitting layer; a first bank between the first sub electrode and the second sub electrode to partition the first subpixel and the second subpixel from each other; and a light absorption portion inside each of the first sub electrode and the second sub electrode to absorb external light. The first sub electrode includes a reflective metal to cover the light absorption portion. The reflective metal and the second electrode emit light emitted from the organic light emitting layer to the substrate by reflecting the light emitted from the organic light emitting layer.
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公开(公告)号：US20200212111A1
公开(公告)日：2020-07-02
申请号：US16716856
申请日：2019-12-17
Applicant: LG Display Co., Ltd.
Inventor： Minki Kim , ChoongKeun Yoo , TaeHan Park , Sul Lee , Hansun Park
Abstract: A display apparatus includes a substrate including a first subpixel and a second subpixel, a first electrode including a first sub-electrode provided in the first subpixel and a second sub-electrode provided in the second subpixel, the first electrode being provided on the substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, a first bank between the first sub-electrode and the second sub-electrode, the first bank dividing the first subpixel and the second subpixel, a color filter layer on the second electrode, a reflective metal at a portion of the color filter layer, and a light absorbing part on an upper surface of the reflective metal, the light absorbing part absorbing light, wherein the first electrode is provided as a reflective electrode, and the organic light emitting layer is disposed between the reflective electrode and the reflective metal.
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公开(公告)号：US20180151628A1
公开(公告)日：2018-05-31
申请号：US15816886
申请日：2017-11-17
Applicant: LG Display Co., Ltd.
Inventor： TaeHan Park
CPC classification number: H01L27/3206 , H01L27/3211 , H01L27/322 , H01L27/3244 , H01L51/5218 , H01L51/5265 , H01L51/56 , H01L2227/32 , H01L2251/5315
Abstract: Disclosed is an OLED device capable of reducing the number of manufacturing processes to apply a micro-cavity structure, and a method for manufacturing the same, wherein the OLED device may include a unit pixel having first to third subpixels, wherein each of the first to third subpixels includes a first electrode, an organic light emitting layer disposed on the first electrode, a second electrode disposed on the organic light emitting layer and formed of a transparent metal material, an encapsulation film for covering the second electrode, and a semi-transmissive electrode disposed on the encapsulation film, wherein a distance between the first electrode and the semi-transmissive electrode in the first subpixel, a distance between the first electrode and the semi-transmissive electrode in the second subpixel, and a distance between the first electrode and the semi-transmissive electrode in the third subpixel are different from one another.
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公开(公告)号：US20230209868A1
公开(公告)日：2023-06-29
申请号：US17975319
申请日：2022-10-27
Applicant: LG Display Co., Ltd.
Inventor： TaeHan Park
CPC classification number: H01L51/5253 , H01L27/3244 , H01L2251/303
Abstract: An electroluminescence display is disclosed. The electroluminescence display includes a cathode electrode having an encapsulation function. The electroluminescence display comprises: a substrate; an anode electrode on the substrate; an emission layer on the anode electrode; and a cathode electrode on the emission layer. The cathode electrode includes a plurality of conductive layers that are sequentially stacked.
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