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公开(公告)号:US20210202598A1
公开(公告)日:2021-07-01
申请号:US17129359
申请日:2020-12-21
Applicant: LG Display Co., Ltd.
Inventor: Mi-Young HAN , Jung-Keun KIM , Tae-Shick KIM
Abstract: A display device, includes a substrate having at least two colored subpixels and a white subpixel separately arranged thereon; a first anode having a first thickness at each of the colored subpixels on the substrate; a second anode, having a thickness smaller than the first thickness, at the white subpixel on the substrate; an organic stack comprising a first stack having a first blue emission layer, a second stack having a second blue emission layer, and a third stack having at least one of emission layers having a longer wavelength than the blue emission layers, which are provided in sequence on the first anode in the colored subpixel and the second anode in the white subpixel; a cathode over the organic stack; and a compensation pattern between the second anode and the substrate.
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公开(公告)号:US20210175457A1
公开(公告)日:2021-06-10
申请号:US17104440
申请日:2020-11-25
Applicant: LG Display Co., Ltd.
Inventor: Eun-Jung PARK , Jung-Keun KIM , Wook SONG , Tae-Shick KIM
Abstract: Disclosed herein are a white organic light-emitting device. The white organic light-emitting device enables an overall improvement in characteristics such as color temperature, efficiency, luminance, and service life, by changing the configuration of different types of emission layers in contact with each other, and a display device using the same.
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公开(公告)号:US20210175290A1
公开(公告)日:2021-06-10
申请号:US17111279
申请日:2020-12-03
Applicant: LG Display Co., Ltd.
Inventor: Ji-Hyang JANG , Tae-Shick KIM , So-Young JO , Jin-Tae KIM
Abstract: An organic light emitting diode display device includes a substrate having first, second, third and fourth subpixels; first, second and third color filter layers in the second, third and fourth subpixels, respectively, on the substrate; a first wavelength converting layer in the first subpixel on the substrate and second and third wavelength converting layers on the first and second color filter layers, respectively; and a light emitting diode in each of the first, second, third and fourth subpixels over the first, second and third wavelength converting.
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公开(公告)号:US20230255087A1
公开(公告)日:2023-08-10
申请号:US18305270
申请日:2023-04-21
Applicant: LG Display Co., LTD.
Inventor: Ji-Hyang JANG , Won-Hoe KOO , Tae-Shick KIM
IPC: H10K59/38 , H10K50/844 , H10K59/122
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:US20180033994A1
公开(公告)日:2018-02-01
申请号:US15661871
申请日:2017-07-27
Applicant: LG Display Co., Ltd.
Inventor: Jae-Seung JANG , Tae-Shick KIM , Hyung-June KIM , Min YUN , Tae-Seok LIM
CPC classification number: H01L51/5036 , H01L27/3244 , H01L27/3262 , H01L51/5004 , H01L51/5024 , H01L51/5076 , H01L51/5278 , H01L2251/5384 , H01L2251/552
Abstract: A white organic light emitting device, which is increased in color gamut and lifespan, is discussed and an organic light emitting display device using the same and in a stack having different emission layers disposed in contact with each other, particular properties of a host and a dopant in a major emission layer are used.
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公开(公告)号:US20220173324A1
公开(公告)日:2022-06-02
申请号:US17539460
申请日:2021-12-01
Applicant: LG Display Co., Ltd.
Inventor: Young-Jun YU , Sang-Beom KIM , Hyun-Chul CHOI , In-Bum SONG , Do-Han KIM , Jeong-Dae SEO , Tae-Shick KIM
Abstract: An organic light emitting device that includes a substrate and an organic light emitting diode positioned on the substrate is provided. The organic light emitting diode includes a first electrode, a second electrode facing the first electrode, a first emitting material layer including a first compound and positioned between the first and second electrodes, and a second emitting material layer including a second compound and positioned between the first emitting material layer and the second electrode. Each of the first and second compounds is an anthracene derivative, and a deuteration ratio of the first compound is greater than that of the second compound.
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公开(公告)号:US20190372056A1
公开(公告)日:2019-12-05
申请号:US16428529
申请日:2019-05-31
Applicant: LG Display Co., Ltd.
Inventor: Kang-Ju LEE , Tae-Shick KIM
Abstract: An organic light emitting diode lighting apparatus can include a substrate having an emitting area and first and second non-emitting areas; an auxiliary electrode in the first non-emitting area on the substrate; an overcoating layer in the emitting area on the substrate, the overcoating layer having a microlens including a plurality of convex portions and a plurality of concave portions; a first electrode on the auxiliary electrode and the overcoating layer, the first electrode including at least one open portion exposing the overcoating layer in the second non-emitting area; a gas blocking pattern covering the at least one open portion; and a light emitting layer and a second electrode disposed on the first electrode and the gas blocking pattern.
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公开(公告)号:US20150060812A1
公开(公告)日:2015-03-05
申请号:US14465299
申请日:2014-08-21
Applicant: LG Display Co., Ltd.
Inventor: Shin-Han KIM , Hwa-Kyung KIM , Hong-Seok CHOI , Mi-Young HAN , Hye-Min OH , Tae-Shick KIM , Seung-Hyun KIM
IPC: H01L51/50
CPC classification number: H01L51/5044 , H01L27/3209
Abstract: Disclosed herein is a white organic light emitting device including various emission layers with improved luminous efficiency, an increased color viewing angle, and low power consumption. The white organic light emitting device includes at least two charge generation layers and at least three stacks between a first electrode and a second electrode. The first stack includes an emission layer having a wavelength range of about 440 to about 470 nm, the second stack includes an emission layer having a wavelength range of about 530 to about 570 nm, and the third stack includes an emission layer having a wavelength range of about 590 to about 620 nm and an emission layer having a wavelength range of about 440 to about 470 nm.
Abstract translation: 本文公开了一种白色有机发光器件,其包括具有改善的发光效率,增加的颜色视角和低功耗的各种发射层。 白色有机发光器件包括至少两个电荷产生层和在第一电极和第二电极之间的至少三个叠层。 第一堆叠包括具有约440至约470nm的波长范围的发射层,第二堆叠包括波长范围为约530至约570nm的发射层,并且第三堆叠包括具有波长范围的发射层 约590nm至约620nm的波长范围的发射层和约440至约470nm的波长范围的发射层。
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公开(公告)号:US20230090815A1
公开(公告)日:2023-03-23
申请号:US17959225
申请日:2022-10-03
Applicant: LG Display Co., Ltd.
Inventor: Eun-Jung PARK , Jung-Keun KIM , Wook SONG , Tae-Shick KIM
Abstract: Disclosed herein are a white organic light-emitting device. The white organic light-emitting device enables an overall improvement in characteristics such as color temperature, efficiency, luminance, and service life, by changing the configuration of different types of emission layers in contact with each other, and a display device using the same.
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公开(公告)号:US20210217818A1
公开(公告)日:2021-07-15
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
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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