公开(公告)号：US20190296090A1

公开(公告)日：2019-09-26

申请号：US16423951

申请日：2019-05-28

Applicant: LG Display Co., Ltd.

Inventor： Jaeseung JANG ,  Jaeil SONG ,  DongHyuk KIM

IPC: H01L27/32 ,  H01L51/50

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes a first light emitting part between an anode and a cathode, the first light emitting part having a first light emitting layer, and a second light emitting part between the first light emitting part and the cathode, the second light emitting part having a second light emitting layer and a third light emitting layer, wherein the second light emitting layer includes a hole-type host and a first electron-type host, and the third light emitting layer includes a first electron-type host and a second electron-type host.

公开(公告)号：US20160163771A1

公开(公告)日：2016-06-09

申请号：US14884952

申请日：2015-10-16

Applicant: LG Display Co., Ltd.

Inventor： Jaeseung JANG ,  Jaeil SONG ,  DongHyuk KIM

IPC: H01L27/32

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes a first light emitting part between an anode and a cathode, the first light emitting part having a first light emitting layer, and a second light emitting part between the first light emitting part and the cathode, the second light emitting part having a second light emitting layer and a third light emitting layer, wherein the second light emitting layer includes a hole-type host and a first electron-type host, and the third light emitting layer includes a first electron-type host and a second electron-type host.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括在阳极和阴极之间的第一发光部分，第一发光部分具有第一发光层，第二发光部分在第一发光部分和阴极之间，第二光 具有第二发光层和第三发光层的发光部，其中所述第二发光层包括空穴型主体和第一电子型主体，所述第三发光层包括第一电子型主体和 第二电子型宿主。

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：US20170077434A1

公开(公告)日：2017-03-16

申请号：US15169269

申请日：2016-05-31

Applicant: LG DISPLAY CO., LTD.

Inventor： JiYoung KIM ,  Jaeil SONG ,  Younseok KAM ,  Taeshick KIM

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L27/3209 ,  H01L51/5036 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5278 ,  H01L2251/5384 ,  H01L2251/556

Abstract: Discussed is an organic light emitting display device. The organic light emitting display device according to an embodiment includes a first emission part between a first electrode and a second electrode and a second emission part on the first emission part. The first emission part includes a first hole transport layer, a first emission layer, and a first electron transport layer, and the second emission part includes a second hole transport layer, a second emission layer, and a second electron transport layer. The second emission layer includes at least two zones including a hole-type host and an electron-type host, and a zone among the at least two zones closer to the first electrode than the second electrode, a ratio of the electron-type host is higher than a ratio of the hole-type host in the zone.

Abstract translation: 讨论的是有机发光显示装置。 根据实施例的有机发光显示装置包括在第一发射部分上的第一电极和第二电极之间的第一发射部分和第二发射部分。 第一发射部分包括第一空穴传输层，第一发射层和第一电子传输层，第二发射部分包括第二空穴传输层，第二发射层和第二电子传输层。 第二发射层包括至少两个包括孔型主体和电子型主体的区域，以及比第二电极更靠近第一电极的至少两个区域中的区域，电子型主体的比例 高于该区域中的孔型主机的比率。

公开(公告)号：US20210159282A1

公开(公告)日：2021-05-27

申请号：US17164680

申请日：2021-02-01

Applicant: LG Display Co., Ltd.

Inventor： Jaeseung JANG ,  Jaeil SONG ,  DongHyuk KIM

IPC: H01L27/32 ,  H01L51/50

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes a first light emitting part between an anode and a cathode, the first light emitting part having a first light emitting layer, and a second light emitting part between the first light emitting part and the cathode, the second light emitting part having a second light emitting layer and a third light emitting layer, wherein the second light emitting layer includes a hole-type host and a first electron-type host, and the third light emitting layer includes a first electron-type host and a second electron-type host.

公开(公告)号：US20160343776A1

公开(公告)日：2016-11-24

申请号：US15157163

申请日：2016-05-17

Applicant: LG Display Co., Ltd.

Inventor： JeongHaeng HEO ,  Jaeil SONG ,  SangGun LEE ,  SoYeon AHN

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

CPC classification number: H01L27/322 ,  H01L51/005 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/5004 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5271 ,  H01L51/5278 ,  H01L2251/552

Abstract: Provided is an organic light emitting device. The organic light emitting device includes a plurality of light emitting units laminated between a first electrode and a second electrode and each including an organic emitting layer, and a charge generation layer between the light emitting units. Further, the charge generation layer includes an N-type charge generation layer disposed to be in direct contact with an organic emitting layer of the adjacent light emitting unit and HOMO levels of the N-type charge generation layer and the organic emitting layer are regulated. Thus, a color change rate based on a viewing angle can be improved, and efficiency and a lifetime of the organic light emitting device can be improved.

Abstract translation: 提供了一种有机发光器件。 有机发光器件包括层叠在第一电极和第二电极之间并且各自包括有机发光层的多个发光单元和在发光单元之间的电荷产生层。 此外，电荷产生层包括与相邻发光单元的有机发光层直接接触并且调节N型电荷产生层和有机发光层的HOMO能级的N型电荷产生层。 因此，可以提高基于视角的颜色变化率，并且可以提高有机发光器件的效率和寿命。