公开(公告)号：US10157966B2

公开(公告)日：2018-12-18

申请号：US15195556

申请日：2016-06-28

Applicant: LG Display Co., Ltd.

Inventor： Youn-Seok Kam ,  Chang-Wook Han ,  Hong-Seok Choi ,  Sung-Hoon Pieh ,  Seok-Joon Oh ,  Ki-Woog Song

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/00

Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, a charge generation layer formed between the first and second electrodes, a first light emitting stack formed between the charge generation layer and the first electrode, and a second light emitting stack formed between the charge generation layer and the second electrode, wherein a hole injection layer of a light emitting stack to realize blue color of the first and second light emitting stacks is formed by doping a host formed of hexaazatriphenylene (HAT-CN) with 0.5% to less than 10% of a dopant formed of a hole transporting material based on a volume of the hole injection layer.

公开(公告)号：US09431626B2

公开(公告)日：2016-08-30

申请号：US14134149

申请日：2013-12-19

Applicant: LG Display Co., Ltd.

Inventor： Youn-Seok Kam ,  Chang-Wook Han ,  Hong-Seok Choi ,  Sung-Hoon Pieh ,  Seok-Joon Oh ,  Ki-Woog Song

IPC: H01L51/50 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L27/3209 ,  H01L27/3213 ,  H01L27/322 ,  H01L51/002 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/5044 ,  H01L51/5088 ,  H01L2251/5376

Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, a charge generation layer formed between the first and second electrodes, a first light emitting stack formed between the charge generation layer and the first electrode, and a second light emitting stack formed between the charge generation layer and the second electrode, wherein a hole injection layer of a light emitting stack to realize blue color of the first and second light emitting stacks is formed by doping a host formed of hexaazatriphenylene (HAT-CN) with 0.5% to less than 10% of a dopant formed of a hole transporting material based on a volume of the hole injection layer.

Abstract translation: 有机发光显示装置包括在基板上彼此面对的第一和第二电极，形成在第一和第二电极之间的电荷产生层，形成在电荷产生层和第一电极之间的第一发光叠层和第二光 形成在电荷产生层和第二电极之间的发光层，其中通过将由六氮杂三亚苯（HAT-CN）形成的主体掺杂到具有第一和第二发光堆的蓝色的发光层的空穴注入层， 基于空穴注入层的体积由空穴传输材料形成的掺杂剂的0.5％至小于10％。

公开(公告)号：US20150155513A1

公开(公告)日：2015-06-04

申请号：US14557720

申请日：2014-12-02

Applicant: LG DISPLAY CO., LTD.

Inventor： Sung-Hoon Pieh ,  Chang-Wook Han ,  Seok-Joon Oh ,  Ki-Woog Song ,  Tae-Shick Kim ,  Hee-Dong Choi ,  Seung-Hyun Kim ,  Seong-Su Jeon ,  Chi-Yul Song

IPC: H01L51/50 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L27/3209 ,  H01L51/0055 ,  H01L51/5278 ,  H01L2251/5376

Abstract: An organic light emitting device containing a multilayer stack structure including n stacks between an anode and a cathode is described, wherein the respective stacks comprise a hole transport layer, a light emitting layer and an electron transport layer, an n-type charge generation layer and a p-type charge generation layer respectively provided between the different adjacent stacks, wherein the p-type charge generation layer comprises an indenofluorenedione derivative represented by Formula 1 or an imine derivative represented by Formula 2 or 3.

Abstract translation: 描述了包含在阳极和阴极之间包括n个叠层的多层堆叠结构的有机发光器件，其中各个堆叠包括空穴传输层，发光层和电子传输层，n型电荷产生层和 分别设置在不同的相邻叠层之间的p型电荷产生层，其中p型电荷产生层包含由式1表示的茚并芴二酮衍生物或由式2或3表示的亚胺衍生物。

公开(公告)号：US08796676B2

公开(公告)日：2014-08-05

申请号：US13678609

申请日：2012-11-16

Applicant: LG Display Co., Ltd.

Inventor： Sung-Hoon Pieh ,  Chang-Wook Han ,  Hong-Seok Choi ,  Jeong-Dae Seo ,  Ki-Woog Song

IPC: H01L29/08 ,  H01L35/24

CPC classification number: H01L51/5203 ,  H01L27/3209 ,  H01L51/0055 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5044 ,  H01L51/5278

Abstract: A tandem white organic light emitting device with improved efficiency, voltage and lifetime includes a first electrode and a second electrode opposing each other, a charge generation layer formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the charge generation layer, the first stack including a first light emitting layer emitting blue light, and a second stack disposed between the charge generation layer and the second electrode, the second stack including a second light emitting layer including one or more hosts doped with a phosphorescent dopant emitting light having a longer wavelength than blue light, wherein the charge generation layer includes an n-type charge generation layer doped with a metal and a p-type charge generation layer made of an organic material.

Abstract translation: 具有提高的效率，电压和寿命的串联白色有机发光器件包括彼此相对的第一电极和第二电极，形成在第一电极和第二电极之间的电荷产生层，设置在第一电极和第二电极之间的第一堆叠 电荷产生层，第一堆叠包括发射蓝光的第一发光层和设置在电荷产生层和第二电极之间的第二堆叠，第二堆叠包括第二发光层，第二发光层包括掺杂有磷光的一个或多个主体 掺杂剂发射具有比蓝光更长的波长的光，其中电荷产生层包括掺杂有金属的n型电荷产生层和由有机材料制成的p型电荷产生层。

公开(公告)号：US20130146850A1

公开(公告)日：2013-06-13

申请号：US13678609

申请日：2012-11-16

Applicant: LG Display Co., Ltd.

Inventor： Sung-Hoon Pieh ,  Chang-Wook Han ,  Hong-Seok Choi ,  Jeong-Dae Seo ,  Ki-Woog Song

IPC: H01L51/52

CPC classification number: H01L51/5203 ,  H01L27/3209 ,  H01L51/0055 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5044 ,  H01L51/5278

Abstract: A tandem white organic light emitting device with improved efficiency, voltage and lifetime includes a first electrode and a second electrode opposing each other, a charge generation layer formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the charge generation layer, the first stack including a first light emitting layer emitting blue light, and a second stack disposed between the charge generation layer and the second electrode, the second stack including a second light emitting layer including one or more hosts doped with a phosphorescent dopant emitting light having a longer wavelength than blue light, wherein the charge generation layer includes an n-type charge generation layer doped with a metal and a p-type charge generation layer made of an organic material.

Abstract translation: 具有提高的效率，电压和寿命的串联白色有机发光器件包括彼此相对的第一电极和第二电极，形成在第一电极和第二电极之间的电荷产生层，设置在第一电极和第二电极之间的第一堆叠 电荷产生层，第一堆叠包括发射蓝光的第一发光层和设置在电荷产生层和第二电极之间的第二堆叠，第二堆叠包括第二发光层，第二发光层包括掺杂有磷光体的一个或多个主体 掺杂剂发射具有比蓝光更长的波长的光，其中电荷产生层包括掺杂有金属的n型电荷产生层和由有机材料制成的p型电荷产生层。