公开(公告)号：US20160104854A1

公开(公告)日：2016-04-14

申请号：US14879900

申请日：2015-10-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Seongsu JEON ,  Jeonghaeng HEO ,  Seung KIM

IPC: H01L51/50

CPC classification number: H01L51/508 ,  H01L51/007 ,  H01L51/0072 ,  H01L51/5004 ,  H01L51/5008 ,  H01L51/5016 ,  H01L51/5072 ,  H01L51/5076 ,  H01L51/5096 ,  H01L2251/558

Abstract: An organic light emitting display device is discussed. The organic light emitting display device in one embodiment includes at least one light emitting layer between an anode and a cathode, and an electron transport layer between the at least one light emitting layer and the cathode. The electron transport layer may include a first electron transport material for blocking holes from the light emitting layer to the electron transport layer, and a second electron transport material for assisting in a transfer of electrons to the light emitting layer, wherein the first electron transport material and the second electron transport material have different triplet exciton energy levels and different electron mobilities.

Abstract translation: 讨论有机发光显示装置。 一个实施例中的有机发光显示装置包括在阳极和阴极之间的至少一个发光层和在至少一个发光层和阴极之间的电子传输层。 电子传输层可以包括用于阻挡从发光层到电子传输层的空穴的第一电子传输材料和用于辅助电子传递到发光层的第二电子传输材料，其中第一电子传输材料 并且第二电子传输材料具有不同的三线态激子能级和不同的电子迁移率。

公开(公告)号：US20170162816A1

公开(公告)日：2017-06-08

申请号：US15224093

申请日：2016-07-29

Applicant: LG DISPLAY CO., LTD.

Inventor： DongHyuk KIM ,  Younseok KAM ,  Taeshick KIM ,  Seung KIM ,  TaeSeok LIM

IPC: H01L51/50

CPC classification number: H01L51/504 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/5056 ,  H01L51/506 ,  H01L51/5088 ,  H01L2251/301

Abstract: Discussed is an OLED apparatus which facilitates to improve the lifetime and progressive driving voltage properties, wherein the OLED apparatus includes an anode, a cathode, and a plurality of stacks. Among the plurality of stacks, the first stack closest the anode includes a first emission layer including a blue emission layer, and a hole transporting layer having a first material, and a second material whose hole mobility is smaller than that of the first material.

公开(公告)号：US20160141555A1

公开(公告)日：2016-05-19

申请号：US14939579

申请日：2015-11-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Ki-Woog SONG ,  JeongHaeng HEO ,  Taeil KUM ,  Seung KIM ,  Heedong CHOI ,  HyungJune KIM

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

CPC classification number: H01L51/5278 ,  H01L27/3209 ,  H01L51/504 ,  H01L51/5265 ,  H01L2251/558

Abstract: Discussed is an organic light emitting display device for reducing a color defect or a color difference which occurs in the front or side of the organic light emitting display device. The organic light emitting display device can include a first electrode, a second electrode and an organic layer between the first electrode and the second electrode, the organic layer including at least one emission part. The organic layer is configured for a peak wavelength of an electroluminescence (EL) spectrum of the organic light emitting display device emitted from the at least one emission part to have a range from 10 nm less a predetermined peak wavelength to 10 nm more than the predetermined peak wavelength.

Abstract translation: 讨论了用于减少发生在有机发光显示装置的正面或侧面的颜色缺陷或色差的有机发光显示装置。 有机发光显示装置可以包括在第一电极和第二电极之间的第一电极，第二电极和有机层，有机层包括至少一个发射部分。 有机层被配置为从至少一个发射部分发射的有机发光显示装置的电致发光（EL）光谱的峰值波长，具有比预定的峰值波长少10nm的范围 峰值波长。

公开(公告)号：US20190081264A1

公开(公告)日：2019-03-14

申请号：US16041536

申请日：2018-07-20

Applicant: LG Display Co., Ltd.

Inventor： Min YUN ,  Seung KIM ,  HyungJune KIM ,  Jaeil SONG

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/504 ,  H01L27/322 ,  H01L27/3244 ,  H01L27/3258 ,  H01L51/5024 ,  H01L51/5064 ,  H01L51/508 ,  H01L51/5206 ,  H01L51/5209 ,  H01L51/5225 ,  H01L51/5275 ,  H01L51/5278

Abstract: Disclosed herein are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a first light emitting structure disposed on the first electrode and including a first organic emissive layer; a second light emitting structure disposed on the first light emitting structure and including a second organic emissive layer; a third light emitting structure disposed on the second light emitting structure and including a third organic emissive layer; and a second electrode on the third light emitting structure, wherein a full width at half maximum (FWHM) of a peak wavelength of light emitted from each of the first organic emissive layer and the third organic emissive layer is within a range from 26 nm to 36 nm, inclusive.

公开(公告)号：US20170287985A1

公开(公告)日：2017-10-05

申请号：US15469779

申请日：2017-03-27

Applicant: LG Display Co., Ltd.

Inventor： Taeshick KIM ,  Younseok KAM ,  Seung KIM ,  Jaeseung JANG ,  Mingyu LEE

IPC: H01L27/32 ,  H01L25/04 ,  H01L51/50

CPC classification number: H01L27/3209 ,  H01L25/048 ,  H01L51/504 ,  H01L51/5044 ,  H01L51/5278

Abstract: An organic light emitting display device includes a first emission part between an anode and a cathode and a second emission part on the first emission part. At least one of the first emission part and the second emission part includes at least three emission layers emitting lights of different colors, and one of the at least three emission layers include a green emission layer including a phosphorescent material. Accordingly, a lifetime and color reproduction rate of the organic light emitting display device having green lifetime is enhanced.

公开(公告)号：US20150060829A1

公开(公告)日：2015-03-05

申请号：US14475073

申请日：2014-09-02

Applicant: LG DISPLAY CO., LTD.

Inventor： Jeonghaeng HEO ,  Taesun YOO ,  Taeshick KIM ,  Seung KIM

IPC: H01L27/32 ,  H01L51/50

CPC classification number: H01L51/5088 ,  H01L27/3211 ,  H01L27/322 ,  H01L51/5044 ,  H01L51/5092 ,  H01L2251/558

Abstract: An organic light emitting diode display has uniform light emission efficiency over the entire pixel area. The organic light emitting diode display comprises: a substrate having a red pixel area, a green pixel area, and a blue pixel area arrayed in a matrix; an anode electrode in the red, green, and blue pixel areas; a hole injection layer including an organic material with an extinction coefficient less than about 0.13 and on the anode electrode covering a whole surface of the substrate; an emission layer on the hole injection layer; an electron injection layer on a whole surface of the emission layer; and a cathode electrode on a whole surface of the electron injection layer.

Abstract translation: 有机发光二极管显示器在整个像素区域具有均匀的发光效率。 有机发光二极管显示器包括：具有红色像素区域，绿色像素区域和排列成矩阵的蓝色像素区域的衬底; 红色，绿色和蓝色像素区域中的阳极电极; 包括消光系数小于约0.13的有机材料的空穴注入层和覆盖基板的整个表面的阳极电极; 空穴注入层上的发光层; 在发射层的整个表面上的电子注入层; 以及在电子注入层的整个表面上的阴极电极。