公开(公告)号：US11424426B2

公开(公告)日：2022-08-23

申请号：US16170030

申请日：2018-10-25

Applicant: LG Display Co., Ltd.

Inventor： Seung-Hyun Kim ,  Yong-Hwan Kim ,  Young-Kwan Jung ,  Hee-Yeol Kim

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

Abstract: A white organic light emitting device and an organic light emitting display device using the white organic light emitting device stably implement white light in a tandem-type top emission structure through uniform lifespans according to emitted colors of light despite driving of the white organic light emitting device for a long time.

公开(公告)号：US09281491B2

公开(公告)日：2016-03-08

申请号：US14572510

申请日：2014-12-16

Applicant: LG Display Co., Ltd.

Inventor： Tae-Il Kum ,  Do-Han Kim ,  Young-Kwan Jung ,  Ki-Woog Song ,  Hye-Seung Kang ,  Hyung-June Kim

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00

CPC classification number: H01L51/5076 ,  C09B1/00 ,  C09B57/00 ,  C09B57/001 ,  C09B57/008 ,  C09B57/10 ,  H01L27/3209 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/504 ,  H01L51/5044 ,  H01L51/5278 ,  H01L2251/552

Abstract: A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.

Abstract translation: 一种白色有机发光器件，包括彼此相对的阳极和阴极，设置在阳极和阴极之间的多个堆叠，每个堆叠包括空穴传输层，发光层和电子传输层，以及 n型电荷产生层和设置在不同相邻叠层之间的p型电荷产生层，其中n型电荷产生层包括第一有机主体，p型电荷产生层包括第二有机主体，其具有 LUMO能级小于或等于第一有机主体的LUMO能级，以及含有1体积％至20体积％的金属的无机掺杂剂。

公开(公告)号：US09065068B2

公开(公告)日：2015-06-23

申请号：US14496287

申请日：2014-09-25

Applicant: LG Display Co., Ltd.

Inventor： Hye-Seung Kang ,  Tae-Il Kum ,  Young-Kwan Jung ,  Hyung-June Kim ,  Jung-Soo Park

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L51/52 ,  H01L27/32 ,  H01L51/5004 ,  H01L51/5044 ,  H01L51/5052 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5076 ,  H01L51/5088 ,  H01L51/5278 ,  H01L51/56 ,  H01L2251/5384 ,  H01L2251/552 ,  H01M2/105

Abstract: Disclosed is an organic light emitting display (OLED) device that may include first and second electrodes facing each other on a substrate, at least two light emitting units between the first and second electrodes, and a charge generation layer between the at least two light emitting units, the charge generation layer including an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer includes at least two hosts and a dopant, and wherein the at least two hosts have different lowest unoccupied molecular orbital (LUMO) energy levels.

Abstract translation: 公开了一种有机发光显示（OLED）器件，其可以包括在衬底上彼此面对的第一和第二电极，在第一和第二电极之间的至少两个发光单元，以及在至少两个发光 单元，所述电荷产生层包括N型电荷产生层和P型电荷产生层，其中所述N型电荷产生层包括至少两个主体和掺杂剂，并且其中所述至少两个主体具有不同的最低 空载分子轨道（LUMO）能级。

公开(公告)号：US09608223B2

公开(公告)日：2017-03-28

申请号：US14552965

申请日：2014-11-25

Applicant: LG Display Co., Ltd.

Inventor： Young-Kwan Jung ,  Hyo-Seok Kim ,  Tae-Il Kum ,  Hyung-June Kim ,  Seong-Su Jeon

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5016 ,  H01L51/0052 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/506 ,  H01L2251/308

Abstract: An organic light emitting diode includes an anode; a cathode facing the anode; a first emitting material layer between the anode and the cathode and including a first host material, the first host material having a first triplet energy; and a hole transporting layer between the first emitting material layer and the anode, a material of the hole transporting layer having a second triplet energy being larger than the first triplet energy.

公开(公告)号：US09105861B2

公开(公告)日：2015-08-11

申请号：US14061939

申请日：2013-10-24

Applicant: LG Display Co., Ltd.

Inventor： Young-Kwan Jung ,  Tae-Il Kum ,  Hye-Seung Kang ,  Hyung-June Kim

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5072 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5044 ,  H01L51/508 ,  H01L51/5278 ,  H01L2251/5346

Abstract: A light emitting device includes first and second electrodes facing each other on a substrate, a plurality of stacks stacked between the first and second electrodes and each including an EML so as to emit particular light, and a charge generation layer formed between the stacks so as to adjust charge balance therebetween and including an N-type charge generation layer and a P-type charge generation layer, wherein at least any one of the N-type charge generation layer and the P-type charge generation layer includes the same electron transporting material as that of an electron transport layer of one of the stacks that is adjacent to the N-type charge generation layer.

Abstract translation: 发光器件包括在衬底上彼此面对的第一电极和第二电极，堆叠在第一和第二电极之间并且各自包括EML以发射特定光的多个堆叠，以及形成在堆叠之间的电荷产生层， 调整其间的电荷平衡，包括N型电荷产生层和P型电荷产生层，其中N型电荷产生层和P型电荷产生层中的至少任一个包括相同的电子传输材料 作为与N型电荷产生层相邻的堆叠中的一个的电子传输层的那些。

公开(公告)号：US20140117337A1

公开(公告)日：2014-05-01

申请号：US14061939

申请日：2013-10-24

Applicant: LG Display Co., Ltd.

Inventor： Young-Kwan Jung ,  Tae-Il Kum ,  Hye-Seung Kang ,  Hyung-June Kim

IPC: H01L27/32 ,  H01L51/50

CPC classification number: H01L51/5072 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5044 ,  H01L51/508 ,  H01L51/5278 ,  H01L2251/5346

Abstract: A light emitting device includes first and second electrodes facing each other on a substrate, a plurality of stacks stacked between the first and second electrodes and each including an EML so as to emit particular light, and a charge generation layer formed between the stacks so as to adjust charge balance therebetween and including an N-type charge generation layer and a P-type charge generation layer, wherein at least any one of the N-type charge generation layer and the P-type charge generation layer includes the same electron transporting material as that of an electron transport layer of one of the stacks that is adjacent to the N-type charge generation layer.

Abstract translation: 发光器件包括在衬底上彼此面对的第一电极和第二电极，堆叠在第一和第二电极之间并且各自包括EML以发射特定光的多个堆叠，以及形成在堆叠之间的电荷产生层， 调整其间的电荷平衡，包括N型电荷产生层和P型电荷产生层，其中N型电荷产生层和P型电荷产生层中的至少任一个包括相同的电子传输材料 作为与N型电荷产生层相邻的堆叠中的一个的电子传输层的那些。