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公开(公告)号：US11289682B2
公开(公告)日：2022-03-29
申请号：US16829653
申请日：2020-03-25
Applicant: LG Display Co., Ltd.
Inventor： Han-Sun Park , Won-Hoe Koo , Ji-Hyang Jang
Abstract: An OLED display device includes a first substrate including a plurality of sub-pixels each including an emission area and a non-emission area; organic light emitting diodes on the first substrate; a second substrate opposed to the first substrate; a black matrix and a color filter layer on one side of the second substrate; a spacer on the black matrix and overlapping or parallel to one of the plurality of the gate lines and the plurality of data lines; and a film layer on the spacer, wherein an air gap is provided between the second substrate and the film layer, and a part of the film layer is exposed by the air gap.
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公开(公告)号：US10971558B2
公开(公告)日：2021-04-06
申请号：US16536209
申请日：2019-08-08
Applicant: LG Display Co., Ltd
Inventor： Ji-Hyang Jang , Won-Hoe Koo , Tae-Shick Kim
Abstract: Various embodiments provide an organic light emitting diode display device that includes a substrate having an emitting area and a non-emitting area; an overcoating layer on the substrate and including a convex portion and a concave portion. The convex portion includes a bottom surface portion, a top surface portion and a side surface portion between the bottom surface portion and the top surface portion. The organic light emitting diode further includes a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The side surface portion is a main emission region having a first emission spectrum and the concave portion is an auxiliary emission region having a second emission spectrum different from the first emission spectrum. The main emission region and the auxiliary emission region are an effective emission region.
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公开(公告)号：US10522600B2
公开(公告)日：2019-12-31
申请号：US15797802
申请日：2017-10-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Young-Wook Kim , Hyun-Jong Noh , Seong-Han Hwang , Chi-Myung Ahn , Won-Hoe Koo , Ji-Hyang Jang
Abstract: Disclosed is an organic light-emitting display device having a micro lens array (MLA) structure applied to a display panel in order to improve light extraction efficiency. In the organic light-emitting display device, an optical device, including a reactive mesogen (RM) and a dye, is provided between a polarizer and a quarter wave plate (QWP) to block light spreading to a viewing angle, thereby reducing a diffuse reflection component due to the application of the MLA structure.
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公开(公告)号：US10381601B2
公开(公告)日：2019-08-13
申请号：US15846812
申请日：2017-12-19
Applicant: LG Display Co., Ltd.
Inventor： Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
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公开(公告)号：US10355234B2
公开(公告)日：2019-07-16
申请号：US15976975
申请日：2018-05-11
Applicant: LG Display Co., Ltd.
Inventor： Yong-Hoon Choi , Won-Hoe Koo , Jin-Tae Kim , Soo-Kang Kim , Ji-Hyang Jang
Abstract: An organic light emitting diode includes: a first electrode including a concave part or a convex part; an organic light emitting layer disposed on the first electrode; and a second electrode disposed on the organic light emitting layer.
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Patent Agency Ranking
公开(公告)号：US11678552B2
公开(公告)日：2023-06-13
申请号：US17196859
申请日：2021-03-09
Applicant: LG Display Co., Ltd
Inventor： Ji-Hyang Jang , Won-Hoe Koo , Tae-Shick Kim
IPC: H01L51/52
CPC classification number: H10K59/38 , H10K50/844 , H10K59/122
Abstract: Various embodiments provide an organic light emitting diode display device that includes a substrate having an emitting area and a non-emitting area; an overcoating layer on the substrate and including a convex portion and a concave portion. The convex portion includes a bottom surface portion, a top surface portion and a side surface portion between the bottom surface portion and the top surface portion. The organic light emitting diode further includes a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The side surface portion is a main emission region having a first emission spectrum and the concave portion is an auxiliary emission region having a second emission spectrum different from the first emission spectrum. The main emission region and the auxiliary emission region are an effective emission region.
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公开(公告)号：US10886432B2
公开(公告)日：2021-01-05
申请号：US16533548
申请日：2019-08-06
Applicant: LG Display Co., Ltd.
Inventor： Soo-Kang Kim , Won-Hoe Koo , Ji-Hyang Jang , So-Young Jo
Abstract: A light emitting display device includes: a light emitting element that includes a light emitting layer between a first electrode and a second electrode; a wavelength conversion layer overlapping the light emitting element; and an uneven layer that includes a plurality of furrows between the light emitting element and the wavelength conversion layer, wherein a shortest distance between a bottom surface of the plurality of furrows and the wavelength conversion layer is 0.1 um or greater.
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公开(公告)号：US10886350B2
公开(公告)日：2021-01-05
申请号：US16134193
申请日：2018-09-18
Applicant: LG Display Co., Ltd.
Inventor： Ji-Hyang Jang , Won-Hoe Koo , Min-Geun Choi
Abstract: An electroluminescent device includes a substrate which has a subpixel including a main subpixel and an auxiliary subpixel; a first thin film transistor and a second thin film transistor disposed on the substrate, the first thin film transistor corresponding to the main subpixel and the second thin film transistor corresponding to the auxiliary subpixel; an overcoat layer on the first and second thin film transistors; a first bottom electrode and a second bottom electrode on the overcoat layer, the first bottom electrode corresponding to the main subpixel and the second bottom electrode corresponding to the auxiliary subpixel; a light-emitting layer on the first bottom electrode and the second bottom electrode; and a top electrode on the light-emitting layer, wherein the main subpixel and the auxiliary subpixel have different color temperatures.
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公开(公告)号：US10734611B2
公开(公告)日：2020-08-04
申请号：US15717640
申请日：2017-09-27
Applicant: LG Display Co., Ltd.
Inventor： Hyun-Soo Lim , Kang-Ju Lee , Soo-Kang Kim , Won-Hoe Koo , Min-Geun Choi
Abstract: The present disclosure relates to an organic light emitting diode display device including: a substrate having an emitting area and a non-emitting area; an insulating layer on the substrate, the insulating layer including a plurality of convex portions, a plurality of connecting portions and at least one wall in the emitting area, a height of the at least one wall is greater than a height of the plurality of convex portions; a first electrode on the substrate; an emitting layer on the first electrode; and a second electrode on the emitting layer, the first electrode, the emitting layer and the second electrode constituting a light emitting diode.
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公开(公告)号：US10714709B2
公开(公告)日：2020-07-14
申请号：US16505489
申请日：2019-07-08
Applicant: LG Display Co., Ltd.
Inventor： Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
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