公开(公告)号：US20180076418A1

公开(公告)日：2018-03-15

申请号：US15814194

申请日：2017-11-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Gwijeong CHO ,  ChangWook HAN ,  Taeil KUM ,  Taeshick KIM ,  Heedong CHOI ,  JiYoung KIM ,  Mingyu LEE ,  TaeSeok LIM

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

CPC classification number: H01L51/5278 ,  H01L27/3206 ,  H01L27/3209 ,  H01L27/3244 ,  H01L51/5044 ,  H01L2251/558

Abstract: An organic light emitting display device can include a first electrode on a substrate; a first emission part on the first electrode, the first emission part including a first emission layer; a second emission part on the first emission part, the second emission part including a second emission layer; a third emission part on the second emission part, the third emission part including a third emission layer; and a second electrode on the third emission part, in which a first thickness between the substrate and the first emission layer, a second thickness between the first emission layer and the second emission layer, a third thickness between the second emission layer and the third emission layer, and a fourth thickness between the third emission layer and the second electrode are different from each other, and the first, second emission, and third emission parts include at least one organic layer.

公开(公告)号：US20170084855A1

公开(公告)日：2017-03-23

申请号：US15189739

申请日：2016-06-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Younseok KAM ,  Chang Wook HAN ,  Hongseok CHOI ,  SoYeon AHN ,  Taeshick KIM ,  Mingyu LEE

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L27/3209 ,  H01L27/3244 ,  H01L51/5004 ,  H01L51/5056 ,  H01L51/5064 ,  H01L51/5265 ,  H01L51/5278 ,  H01L2251/552 ,  H01L2251/558

Abstract: Disclosed is an organic light emitting display (OLED) apparatus with improved efficiency and lifespan, wherein the OLED apparatus includes an anode, a cathode, and a light-emitting unit disposed in-between, wherein the light-emitting unit includes a first emission layer, and a first hole transporting layer having first and second materials, wherein the first material has a higher hole mobility than that of the second material so as to improve a transfer of holes from the first hole transporting layer to the first emission layer, and the second material has a higher triplet energy level than that of the first material so as to reduce a transfer of electrons from the first emission layer to the first hole transporting layer.

公开(公告)号：US20170084856A1

公开(公告)日：2017-03-23

申请号：US15221434

申请日：2016-07-27

Applicant: LG Display Co., Ltd.

Inventor： TaeIl KUM ,  Ki-Woog SONG ,  SoYeon AHN ,  Yongjoong CHOI ,  Mingyu LEE

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5265 ,  H01L51/5278 ,  H01L2251/5315 ,  H01L2251/558

Abstract: An OLED apparatus that may include a reflection-anode, a transparent-cathode, and a plurality of stacks between the reflection-anode and the transparent-cathode, wherein, among the plurality of stacks, a thickness of the stack disposed relatively close to the transparent-cathode is larger than a thickness of the stack disposed relatively close to the reflection-anode so that it is possible to optimize a micro-cavity of light emitted from the plurality of stacks, thereby improving a light-emission efficiency and a color reproduction ratio and reducing a color change rate in accordance with a viewing angle.

公开(公告)号：US20240188382A1

公开(公告)日：2024-06-06

申请号：US18239430

申请日：2023-08-29

Applicant: LG Display Co., Ltd.

Inventor： Hyunwoo YOON ,  Mingyu LEE ,  Changtaek LIM

IPC: H10K59/80 ,  H10K59/131

CPC classification number: H10K59/8721 ,  H10K59/131 ,  H10K59/8722

Abstract: Disclosed is a display device including an array substrate including a display area, and including a light-emitting array including a plurality of light-emitting elements corresponding to a plurality of pixel areas on the display area, a sealing structure positioned on the array substrate to seal the light-emitting array, and including at least a metal barrier layer, a protective layer located on the sealing structure, a reinforcing substrate positioned on the protective layer, a printed circuit board positioned on the reinforcing substrate, and a grounding member for connecting the printed circuit board and the array substrate to each other, wherein the grounding member is in contact with the metal barrier layer of the sealing structure.

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：US20160164042A1

公开(公告)日：2016-06-09

申请号：US14960918

申请日：2015-12-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Gwijeong CHO ,  ChangWook HAN ,  Taeil KUM ,  Taeshick KIM ,  Heedong CHOI ,  JiYoung KIM ,  Mingyu LEE ,  TaeSeok LIM

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5278 ,  H01L27/3206 ,  H01L27/3209 ,  H01L27/3244 ,  H01L51/5044 ,  H01L2251/558

Abstract: Discussed is an organic light emitting display device. The organic light emitting display device according to an embodiment includes a first electrode and a second electrode on a substrate to be opposite to each other and at least three emission parts between the first electrode and the second electrode. A first distance between the substrate and the first emission layer, a second distance between the first emission layer and the second emission layer, a third distance between the second emission layer and the third emission layer, and a fourth distance between the third emission layer and the second electrode are different from each other.

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彼此相对的基板上的第一电极和第二电极以及第一电极和第二电极之间的至少三个发射部分。 基板与第一发射层之间的第一距离，第一发射层和第二发射层之间的第二距离，第二发射层和第三发射层之间的第三距离，以及第三发射层和第三发射层之间的第四距离 第二电极彼此不同。