公开(公告)号：US20180247982A1

公开(公告)日：2018-08-30

申请号：US15892177

申请日：2018-02-08

Applicant: LG Display Co., Ltd.

Inventor： Byungsoo KIM ,  YongMin HA

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3213 ,  H01L27/3244 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5265 ,  H01L51/5278 ,  H01L2251/5315

Abstract: An electroluminescent display device according to an exemplary embodiment of the present disclosure includes a first light emitting unit which is disposed on the anode and includes an emissive layer, a charge generation layer disposed on the first light emitting unit, a second light emitting unit which is disposed on the charge generation layer and includes a second emissive layer, and a cathode disposed on the second light emitting unit in which each of the first light emitting unit and the second light emitting unit includes a plurality of pixel emissive layers corresponding to a first pixel, a second pixel, a third pixel, and a fourth pixel, and the first pixel emits red light, the second pixel emits green light, the third pixel emits blue light, and the fourth pixel emits yellow-green light to lower the power consumption of the organic light emitting display device.

公开(公告)号：US20230121987A1

公开(公告)日：2023-04-20

申请号：US18083464

申请日：2022-12-16

Applicant: LG Display Co., Ltd.

Inventor： Byungsoo KIM

IPC: H10K59/35 ,  H10K50/19

Abstract: An organic light emitting device having a structure that a plurality of light emitting units are deposited, is disclosed, of which white color shift caused by variation of a viewing angle is reduced through a combination between dopant materials of the respective light emitting units. The organic light emitting device includes dopant materials emitting light of different wavelengths from the plurality of light emitting units. Therefore, in the organic light emitting device, variation of color and luminance, which is perceived by a user as a viewing angle is varied, may be reduced.

公开(公告)号：US20170054084A1

公开(公告)日：2017-02-23

申请号：US15147395

申请日：2016-05-05

Applicant: LG DISPLAY CO., LTD.

Inventor： Dohan KIM ,  Sunghoon JOO ,  Jungkeun KIM ,  Byungsoo KIM ,  Eunjung PARK ,  Hyoseok KIM ,  Seonkeun YOO ,  Hanbyeol SEOK ,  Seunghee YOON

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/5028 ,  H01L51/504 ,  H01L51/5044 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5278

Abstract: An organic light emitting display device is discussed. The organic light emitting display device can include at least two or more light emitting parts each including a light emitting layer and an electron transport layer; and a charge generation layer between the two or more light emitting parts and including an N-type charge generation layer, wherein the electron transport layer includes an electron transport compound including a functional group with high electron mobility, and the N-type charge generation layer includes a charge generation compound including a functional group for matching the energy level of the electron transport compound.

Abstract translation: 讨论有机发光显示装置。 有机发光显示装置可以包括至少两个以上的各自包含发光层和电子传输层的发光部分; 以及两个以上的发光部之间的电荷产生层，并且包括N型电荷产生层，其中电子传输层包括具有高电子迁移率的官能团的电子传输化合物和N型电荷产生层 包括电荷产生化合物，其包括用于匹配电子传输化合物的能级的官能团。

公开(公告)号：US20160172616A1

公开(公告)日：2016-06-16

申请号：US14963467

申请日：2015-12-09

Applicant: LG Display Co., Ltd.

Inventor： Byungsoo KIM ,  EunJung PARK

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56

CPC classification number: H01L51/5056 ,  H01L51/0026 ,  H01L51/5072 ,  H01L51/5225 ,  H01L51/5278 ,  H01L51/56

Abstract: An organic light emitting display device includes: a substrate including a display area having a plurality of pixel regions and a non-display area; a first electrode on the substrate; a first organic emissive layer on the first electrode; a charge generation layer on the first organic emissive layer as a common layer for the plurality of pixel regions; a second organic emissive layer on the charge generation layer; a second electrode on the second organic emissive layer as a common electrode for the plurality of pixel regions; and an anti-contact layer between the charge generation layer and the second electrode as a common layer for the plurality of pixel regions. The anti-contact layer completely surrounds the charge generation layer.

Abstract translation: 一种有机发光显示装置，具备：具有多个像素区域和非显示区域的显示区域的基板; 基板上的第一电极; 第一电极上的第一有机发射层; 所述第一有机发光层上的电荷产生层作为所述多个像素区域的公共层; 电荷产生层上的第二有机发射层; 所述第二有机发光层上的第二电极作为所述多个像素区域的公共电极; 以及电荷产生层和第二电极之间的反接触层作为多个像素区域的公共层。 抗接触层完全包围电荷产生层。