公开(公告)号：US20130313535A1

公开(公告)日：2013-11-28

申请号：US13899755

申请日：2013-05-22

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Haeng Heo ,  Jae-Man Lee ,  Jeong-Kyun Shin ,  Gwi-Jeong Cho ,  So-Yeon Ahn

IPC: H01L51/50 ,  H01L51/56

CPC classification number: H01L51/5064 ,  H01L27/3209 ,  H01L51/5008 ,  H01L51/56 ,  H01L2251/558

Abstract: An organic light emitting device includes a substrate, a first electrode on the substrate, a second electrode, a first stack on the first electrode and including a hole injection layer, a first hole transport layer, a first mixed layer, a second hole transport layer, a first light emitting layer, and a first electron transport layer sequentially laminated, a second stack between the first stack and the second electrode and including a third hole transport layer, a fourth hole transport layer, a second light emitting layer, and a second electron transport layer sequentially laminated, and a charge generation layer between the first stack and the second stack to control charge balance between the first and second stacks. The first mixed layer includes materials used to form the first and second hole transport layers.

Abstract translation: 一种有机发光器件，包括基板，基板上的第一电极，第二电极，第一电极上的第一堆叠，并且包括空穴注入层，第一空穴传输层，第一混合层，第二空穴传输层 ，第一发光层和第一电子传输层，第一堆叠和第二电极之间的第二堆叠，并且包括第三空穴传输层，第四空穴传输层，第二发光层和第二层 电子传输层，以及在第一堆叠和第二堆叠之间的电荷产生层，以控制第一和第二堆叠之间的电荷平衡。 第一混合层包括用于形成第一和第二空穴传输层的材料。

公开(公告)号：US09735206B2

公开(公告)日：2017-08-15

申请号：US14135426

申请日：2013-12-19

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Haeng Heo ,  Jeong-Dae Seo

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

CPC classification number: H01L27/3209 ,  H01L27/322 ,  H01L51/504 ,  H01L51/5056 ,  H01L2251/558

Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, a charge generation layer formed between first and second electrodes, a first light emitting unit including a first emission layer formed between the first electrode and the charge generation layer, a hole transport layer supplying holes from the first electrode to the first emission layer, and a second light emitting unit including a second emission layer formed between the second electrode and the charge generation layer, a hole transport layer supplying holes from the charge generation layer to the second emission layer, wherein a total thickness of the hole transport layer of the first light emitting unit is greater than that of the hole transport layer of the second light emitting unit.

公开(公告)号：US10418580B2

公开(公告)日：2019-09-17

申请号：US14571547

申请日：2014-12-16

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Haeng Heo ,  Jae-Man Lee ,  Jeong-Dae Seo ,  Se-Ung Kim

IPC: H01L51/50 ,  H01L51/52

Abstract: An organic electroluminescent device and organic electroluminescent display device having enhanced efficiency are disclosed. The organic electroluminescent device includes first and second electrodes facing each other on a substrate, first and second emission layers formed between the first and second electrodes, a hole transport layer formed between the first electrode and the first emission layer, an electron transport layer formed between the second electrode and the second emission layer, and at least one emission control layer formed between the first and second emission layers and having the same properties as those of at least any one of the hole transport layer and the electron transport layer.

公开(公告)号：US20150188074A1

公开(公告)日：2015-07-02

申请号：US14571547

申请日：2014-12-16

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Haeng Heo ,  Jae-Man Lee ,  Jeong-Dae Seo ,  Se-Ung Kim

IPC: H01L51/50 ,  H01L27/32

Abstract: An organic electroluminescent device and organic electroluminescent display device having enhanced efficiency are disclosed. The organic electroluminescent device includes first and second electrodes facing each other on a substrate, first and second emission layers formed between the first and second electrodes, a hole transport layer formed between the first electrode and the first emission layer, an electron transport layer formed between the second electrode and the second emission layer, and at least one emission control layer formed between the first and second emission layers and having the same properties as those of at least any one of the hole transport layer and the electron transport layer.

Abstract translation: 公开了一种具有提高效率的有机电致发光器件和有机电致发光显示器件。 有机电致发光器件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第一和第二发射层，形成在第一电极和第一发射层之间的空穴传输层， 第二电极和第二发光层，以及形成在第一发射层和第二发射层之间的至少一个发射控制层，并且具有与空穴传输层和电子传输层中的至少任一个具有相同的性质。

公开(公告)号：US09831291B2

公开(公告)日：2017-11-28

申请号：US15649550

申请日：2017-07-13

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Haeng Heo ,  Jeong-Dae Seo

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/50

CPC classification number: H01L27/3209 ,  H01L27/322 ,  H01L51/504 ,  H01L51/5056 ,  H01L2251/558

Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, a charge generation layer formed between first and second electrodes, a first light emitting unit including a first emission layer formed between the first electrode and the charge generation layer, a hole transport layer supplying holes from the first electrode to the first emission layer, and a second light emitting unit including a second emission layer formed between the second electrode and the charge generation layer, a hole transport layer supplying holes from the charge generation layer to the second emission layer, wherein a total thickness of the hole transport layer of the first light emitting unit is greater than that of the hole transport layer of the second light emitting unit.

公开(公告)号：US20140117338A1

公开(公告)日：2014-05-01

申请号：US14062128

申请日：2013-10-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Gwi-Jeong Cho ,  Jae-Man Lee ,  Jeong-Haeng Heo ,  So-Yeon Ahn ,  Tae-Shick Kim ,  Hee-Dong Choi

IPC: H01L51/52

CPC classification number: H01L51/5044 ,  H01L51/0054 ,  H01L51/50 ,  H01L51/506 ,  H01L51/52 ,  H01L51/5278

Abstract: An organic light emitting display device with improved lifespan is disclosed. The organic light emitting display device includes first and second electrodes facing each other on a substrate, at least two light emitting units formed between the first and second electrodes, an N-type charge generation layer and a P-type charge generation layer sequentially stacked between the light emitting units, and at least one auxiliary charge generation layer formed between at least any one of the P-type charge generation layer and the N-type charge generation layer and an emitting layer of the light emitting unit disposed on an upper or lower portion of the at least any one thereof and generating electrons and holes supplied to the emitting layer of the light emitting unit.

Abstract translation: 公开了一种寿命延长的有机发光显示装置。 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至少两个发光单元，N型电荷产生层和P型电荷产生层， 所述发光单元以及形成在所述P型电荷产生层和所述N型电荷产生层中的至少任何一个上的至少一个辅助电荷产生层以及设置在上部或下部的所述发光单元的发光层 并且产生提供给发光单元的发光层的电子和空穴。

公开(公告)号：US10862060B2

公开(公告)日：2020-12-08

申请号：US13899755

申请日：2013-05-22

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Haeng Heo ,  Jae-Man Lee ,  Jeong-Kyun Shin ,  Gwi-Jeong Cho ,  So-Yeon Ahn

IPC: H01L51/50 ,  H01L51/56 ,  H01L27/32

Abstract: An organic light emitting device includes a substrate, a first electrode on the substrate, a second electrode, a first stack on the first electrode and including a hole injection layer, a first hole transport layer, a first mixed layer, a second hole transport layer, a first light emitting layer, and a first electron transport layer sequentially laminated, a second stack between the first stack and the second electrode and including a third hole transport layer, a fourth hole transport layer, a second light emitting layer, and a second electron transport layer sequentially laminated, and a charge generation layer between the first stack and the second stack to control charge balance between the first and second stacks. The first mixed layer includes materials used to form the first and second hole transport layers.

公开(公告)号：US09048447B2

公开(公告)日：2015-06-02

申请号：US14062128

申请日：2013-10-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Gwi-Jeong Cho ,  Jae-Man Lee ,  Jeong-Haeng Heo ,  So-Yeon Ahn ,  Tae-Shick Kim ,  Hee-Dong Choi

IPC: H01L29/08 ,  H01L35/24 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/5044 ,  H01L51/0054 ,  H01L51/50 ,  H01L51/506 ,  H01L51/52 ,  H01L51/5278

Abstract: An organic light emitting display device with improved lifespan is disclosed. The organic light emitting display device includes first and second electrodes facing each other on a substrate, at least two light emitting units formed between the first and second electrodes, an N-type charge generation layer and a P-type charge generation layer sequentially stacked between the light emitting units, and at least one auxiliary charge generation layer formed between at least any one of the P-type charge generation layer and the N-type charge generation layer and an emitting layer of the light emitting unit disposed on an upper or lower portion of the at least any one thereof and generating electrons and holes supplied to the emitting layer of the light emitting unit.

Abstract translation: 公开了一种寿命延长的有机发光显示装置。 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至少两个发光单元，N型电荷产生层和P型电荷产生层， 所述发光单元以及形成在所述P型电荷产生层和所述N型电荷产生层中的至少任何一个上的至少一个辅助电荷产生层以及设置在上部或下部的所述发光单元的发光层 并且产生提供给发光单元的发光层的电子和空穴。

公开(公告)号：US08878171B2

公开(公告)日：2014-11-04

申请号：US14036163

申请日：2013-09-25

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Haeng Heo ,  Jae-Man Lee ,  Gwi-Jeong Cho ,  So-Yeon Ahn

IPC: H01L51/50

CPC classification number: H01L51/5064 ,  H01L27/3209 ,  H01L51/5044 ,  H01L51/5072 ,  H01L2251/5384

Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, a first stack including a first hole transport layer, a second hole transport layer, a first emitting layer, and a first electron transport layer, the layers being sequentially stacked on the first electrode, a second stack including a third hole transport layer, a fourth hole transport layer, a second emitting layer including at least two hosts and a single dopant and having at least three emitting areas, and a second electron transport layer, the layers being sequentially stacked between the first stack and the second electrode, wherein the second emitting layer includes a first emitting area including a material of the fourth hole transport layer, a second emitting area including a material of the second electron transport layer, and a third emitting area including the at least two hosts.

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，包括第一空穴传输层，第二空穴传输层，第一发光层和第一电子传输层的第一堆叠，所述层依次 堆叠在第一电极上的第二堆叠，包括第三空穴传输层，第四空穴传输层，包括至少两个主体的第二发光层和具有至少三个发射区域的单个掺杂剂的第二堆叠和第二电子传输层， 所述层依次堆叠在所述第一堆叠和所述第二电极之间，其中所述第二发光层包括包括所述第四空穴传输层的材料的第一发射区域，包括所述第二电子传输层的材料的第二发射区域，以及 包括至少两个主机的第三发射区域。