公开(公告)号：US20150188076A1

公开(公告)日：2015-07-02

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 ,  H01L51/00

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：US20150090984A1

公开(公告)日：2015-04-02

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 ,  H01L51/56 ,  H01L27/32

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：US20150188066A1

公开(公告)日：2015-07-02

申请号：US14563607

申请日：2014-12-08

Applicant: LG Display Co., Ltd.

Inventor： Ki-Woog SONG ,  Tae-Il KUM ,  Shin-Han KIM ,  Seon-Keun YOO ,  Hee-Dong CHOI ,  Chi-Yul SONG

IPC: H01L51/50

CPC classification number: H01L51/504 ,  H01L27/3209 ,  H01L51/002 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5056 ,  H01L51/5076 ,  H01L51/5278 ,  H01L2251/552

Abstract: Discussed is 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 a charge generation layer disposed between different stacks, the charge generation layer including a single organic host having an electron transport property, and an n-type dopant and a p-type dopant.

Abstract translation: 讨论了包括彼此相对的阳极和阴极的白色有机发光器件，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 以及设置在不同堆叠之间的电荷产生层，电荷产生层包括具有电子传输性质的单一有机主体，以及n型掺杂剂和p型掺杂剂。

公开(公告)号：US20200052234A1

公开(公告)日：2020-02-13

申请号：US16533362

申请日：2019-08-06

Applicant: LG Display Co., Ltd.

Inventor： Tae-Il KUM ,  Tae-Sun YOO ,  Shin-Han KIM ,  Ji-Young KIM

IPC: H01L51/50 ,  H01L27/32

Abstract: A light emitting diode comprises first and second electrodes facing each other; a first charge generation layer between the first and second electrodes; a first emitting stack including a first emitting material layer between the first electrode and the first charge generation layer and a first electron transporting layer between the first emitting material layer and the first charge generation layer; and a second emitting stack including a second emitting material layer between the first charge generation layer and the second electrode and a second electron transporting layer between the second emitting material layer and the second electrode, wherein the first charge generation layer has an electron mobility lower than that of the first electron transporting layer.

公开(公告)号：US20150187850A1

公开(公告)日：2015-07-02

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: H01L27/32 ,  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: Discussed is an organic emitting diode including 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.

Abstract translation: 讨论了包括阳极的有机发光二极管; 面对阳极的阴极; 在阳极和阴极之间的第一发射材料层并且包括第一主体材料，第一主体材料具有第一三重态能量; 以及在所述第一发光材料层和所述阳极之间的空穴传输层，所述空穴传输层的材料具有比所述第一三线态能量大的第二三线态能量。