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公开(公告)号：US10547020B2
公开(公告)日：2020-01-28
申请号：US15661871
申请日：2017-07-27
Applicant: LG Display Co., Ltd.
Inventor： Jae-Seung Jang , Tae-Shick Kim , Hyung-June Kim , Min Yun , Tae-Seok Lim
Abstract: A white organic light emitting device, which is increased in color gamut and lifespan, is discussed and an organic light emitting display device using the same and in a stack having different emission layers disposed in contact with each other, particular properties of a host and a dopant in a major emission layer are used.
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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
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。
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公开(公告)号：US20130264551A1
公开(公告)日：2013-10-10
申请号：US13857279
申请日：2013-04-05
Applicant: LG DISPLAY CO., LTD.
Inventor： Sung-Hoon Pieh , Chang-Wook Han , Hong-Seok Choi , Ki-Woog Song , Hyung-June Kim
IPC: H01L51/50
CPC classification number: H01L51/5056 , H01L27/3209 , H01L51/5278 , H01L2251/5376 , H01L2251/552 , Y02T90/168 , Y04S30/12
Abstract: A tandem white organic light emitting device having high efficiency and long lifespan by adjusting characteristics of a hole transport layer adjacent to a charge generation layer consisting of p-type and n-type charge generation layer is disclosed, the p-type charge generation layer is formed of organic materials only, and at least one organic material contained in the p-type charge generation layer has a LUMO level of −6.0 eV to −4.5 eV.
Abstract translation: 公开了一种通过调节与由p型和n型电荷产生层组成的电荷产生层相邻的空穴传输层的特性而具有高效率和长寿命的串联白色有机发光器件，p型电荷产生层是 仅由有机材料形成，并且包含在p型电荷产生层中的至少一种有机材料具有-6.0eV至-4.5eV的LUMO能级。
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Patent Agency Ranking
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
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。
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5.发明授权公开(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
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.
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6.发明授权Light emitting device and organic light emitting display device including the same 有权发光装置和包括该发光装置的有机发光显示装置公开(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
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。
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公开(公告)号：US08912534B2
公开(公告)日：2014-12-16
申请号：US13857279
申请日：2013-04-05
Applicant: LG Display Co., Ltd.
Inventor： Sung-Hoon Pieh , Chang-Wook Han , Hong-Seok Choi , Ki-Woog Song , Hyung-June Kim
CPC classification number: H01L51/5056 , H01L27/3209 , H01L51/5278 , H01L2251/5376 , H01L2251/552 , Y02T90/168 , Y04S30/12
Abstract: A tandem white organic light emitting device having high efficiency and long lifespan by adjusting characteristics of a hole transport layer adjacent to a charge generation layer consisting of p-type and n-type charge generation layer is disclosed, the p-type charge generation layer is formed of organic materials only, and at least one organic material contained in the p-type charge generation layer has a LUMO level of −6.0 eV to −4.5 eV.
Abstract translation: 公开了一种通过调节与由p型和n型电荷产生层组成的电荷产生层相邻的空穴传输层的特性而具有高效率和长寿命的串联白色有机发光器件，p型电荷产生层是 仅由有机材料形成，并且包含在p型电荷产生层中的至少一种有机材料具有-6.0eV至-4.5eV的LUMO能级。
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8.发明申请LIGHT EMITTING DEVICE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME 有权发光装置和有机发光显示装置，包括它们公开(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
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。
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