公开(公告)号：US09966551B2

公开(公告)日：2018-05-08

申请号：US15601912

申请日：2017-05-22

Applicant: LG Display Co., Ltd.

Inventor： Ki-Woog Song ,  Sung Hoon Pieh ,  Youn Seok Kam ,  Tae Shick Kim ,  Se Ung Kim ,  Hyung June Kim

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L51/5044 ,  H01L51/5265

Abstract: Discussed is a white organic light emitting device for enhancing emission efficiency and panel efficiency. The white organic light emitting device can include a first emission part between a first electrode and a second electrode and configured to include a first emission layer (EML), a second emission part on the first emission part and configured to include a second EML, and a third emission part on the second emission part and configured to include a third EML. The first to third emission parts have an emission position of emitting layers (EPEL) structure in which the first to third emission parts have a maximum emission range in respective emission areas of the first to third EMLs.

公开(公告)号：US09685622B2

公开(公告)日：2017-06-20

申请号：US14673057

申请日：2015-03-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Ki-Woog Song ,  Sung Hoon Pieh ,  Youn Seok Kam ,  Tae Shick Kim ,  Se Ung Kim ,  Hyung June Kim

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L51/5044 ,  H01L51/5265

Abstract: Discussed is a white organic light emitting device for enhancing emission efficiency and panel efficiency. The white organic light emitting device can include a first emission part between a first electrode and a second electrode and configured to include a first emission layer (EML), a second emission part on the first emission part and configured to include a second EML, and a third emission part on the second emission part and configured to include a third EML. The first to third emission parts have an emission position of emitting layers (EPEL) structure in which the first to third emission parts have a maximum emission range in respective emission areas of the first to third EMLs.

公开(公告)号：US11963443B2

公开(公告)日：2024-04-16

申请号：US17290591

申请日：2019-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： In Bum Song ,  Seung Hee Yoon ,  Gwi Jeong Cho ,  So Yeon Ahn ,  Yoo Yi Son ,  Tae Shick Kim

IPC: H10K85/60 ,  H10K50/12 ,  H10K50/18 ,  H10K101/00

CPC classification number: H10K85/6572 ,  H10K85/622 ,  H10K85/624 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/12 ,  H10K50/18 ,  H10K2101/90

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.

公开(公告)号：US10347858B2

公开(公告)日：2019-07-09

申请号：US15922613

申请日：2018-03-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Ki-Woog Song ,  Sung Hoon Pieh ,  Youn Seok Kam ,  Tae Shick Kim ,  Se Ung Kim ,  Hyung June Kim

IPC: H01L51/50 ,  H01L51/52

Abstract: A white organic light emitting device includes a first emission part between a first electrode and a second electrode, and configured to include a first emission layer, the first electrode being a reflective electrode, a second emission part on the first emission part, and configured to include a second emission layer, and a third emission part on the second emission part, and configured to include a third emission layer.

公开(公告)号：US10516128B2

公开(公告)日：2019-12-24

申请号：US15926888

申请日：2018-03-20

Applicant: LG Display Co., Ltd.

Inventor： Mi-Young Han ,  Chang Wook Han ,  Tae Il Kum ,  Gwi Jeong Cho ,  Tae Shick Kim ,  Se Ung Kim ,  Hee Dong Choi

IPC: H01L51/50 ,  H01L51/52

Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.

公开(公告)号：US09711747B2

公开(公告)日：2017-07-18

申请号：US14804124

申请日：2015-07-20

Applicant: LG Display Co., Ltd.

Inventor： Mi-Young Han ,  Chang Wook Han ,  Tae Il Kum ,  Gwi Jeong Cho ,  Tae Shick Kim ,  Se Ung Kim ,  Hee Dong Choi

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L51/5044 ,  H01L51/5265 ,  H01L51/5278

Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.

公开(公告)号：US12302756B2

公开(公告)日：2025-05-13

申请号：US18599051

申请日：2024-03-07

Applicant: LG DISPLAY CO., LTD.

Inventor： In Bum Song ,  Seung Hee Yoon ,  Gwi Jeong Cho ,  So Yeon Ahn ,  Yoo Yi Son ,  Tae Shick Kim

IPC: H10K85/60 ,  H10K50/12 ,  H10K50/18 ,  H10K101/00

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.

公开(公告)号：US09960379B2

公开(公告)日：2018-05-01

申请号：US15618017

申请日：2017-06-08

Applicant: LG Display Co., Ltd.

Inventor： Mi-Young Han ,  Chang Wook Han ,  Tae Il Kum ,  Gwi Jeong Cho ,  Tae Shick Kim ,  Se Ung Kim ,  Hee Dong Choi

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L51/5044 ,  H01L51/5265 ,  H01L51/5278

Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.

公开(公告)号：US20160118611A1

公开(公告)日：2016-04-28

申请号：US14804124

申请日：2015-07-20

Applicant: LG Display Co., Ltd.

Inventor： Mi-Young Han ,  Chang Wook Han ,  Tae Il Kum ,  Gwi Jeong Cho ,  Tae Shick Kim ,  Se Ung Kim ,  Hee Dong Choi

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L51/5044 ,  H01L51/5265 ,  H01L51/5278

Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.

Abstract translation: 公开了一种用于增强发光效率和彩色视角或颜色再现速率的白色有机发光器件。 白色有机发光器件包括在第一电极和第二电极之间的第一发射部分，第一发射部分具有第一发射层，第一发射部分上的第二发射部分，第二发射部分具有第二发光层， 以及在第二发射部分上的第三发射部分，第三发射部分具有第三发射层。 第一至第三发光层的至少两个发射层发射具有相同颜色的光，以提高发射效率和彩色视角，并且至少两个发射层彼此相邻。