公开(公告)号：US20160020412A1

公开(公告)日：2016-01-21

申请号：US14560352

申请日：2014-12-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seul-Ong KIM ,  Youn-Sun KIM ,  Dong-Woo SHIN ,  Jung-Sub LEE ,  Naoyuki ITO

IPC: H01L51/00 ,  H01L27/32

CPC classification number: H01L51/0085 ,  H01L27/3244 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096 ,  H01L2251/308 ,  H01L2251/552

Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer, the organic layer including an emission layer, a hole transport region including a hole transport layer, a hole injection layer, or a buffer layer, and an electron transport region including a hole blocking layer, an electron transport layer, or an electron injection layer, wherein a triplet energy of a hole transport material of the hole transport layer is from about 2.4 to about 3.2 eV, an electron affinity of the hole transport material is from about 2.2 to about 2.6 eV; the triplet energy of the hole transport material is greater than a triplet energy of a dopant of the emission layer and a triplet energy of a host material of the emission layer, the host material of the emission layer includes the compound represented by Formula 1.

Abstract translation: 一种有机发光装置，包括：第一电极; 第二电极; 有机层，包括发光层的有机层，包括空穴传输层的空穴传输区域，空穴注入层或缓冲层，以及包含空穴阻挡层，电子传输层或电子传输层的电子传输区域 电子注入层，其中空穴传输层的空穴传输材料的三线态能为约2.4至约3.2eV，空穴传输材料的电子亲和力为约2.2至约2.6eV; 空穴传输材料的三线态能量大于发射层的掺杂剂的三线态能量和发射层的主体材料的三线态能量，发射层的主体材料包括由式1表示的化合物。

公开(公告)号：US20160013430A1

公开(公告)日：2016-01-14

申请号：US14561798

申请日：2014-12-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seul-Ong KIM ,  Dong-Woo SHIN ,  Youn-Sun KIM ,  Jung-Sub LEE ,  Naoyuki ITO

IPC: H01L51/00 ,  H01L27/32

CPC classification number: H01L51/0085 ,  H01L27/3244 ,  H01L51/0032 ,  H01L51/0034 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/5012 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5096

Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, a hole transport region between the first electrode and the emission layer, the hole transport region including at least one selected from a hole transport layer, a hole injection layer, and a buffer layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one selected from a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the emission layer includes a compound represented by Formula 1 as described herein; and at least one of the hole blocking layer, the electron transport layer, and the electron injection layer in the electron transport region includes at least one compound represented by Formulae 2, 3, 4, or 5, as described herein.

Abstract translation: 一种有机发光装置，包括：第一电极; 面对所述第一电极的第二电极; 以及在所述第一电极和所述第二电极之间的有机层，所述有机层包括发光层，所述第一电极与所述发光层之间的空穴传输区域，所述空穴传输区域包括选自空穴传输层， 空穴注入层和缓冲层以及发射层和第二电极之间的电子传输区域，电子传输区域包括选自空穴阻挡层，电子传输层和电子注入层中的至少一个，其中 发光层包括由本文所述的式1表示的化合物; 并且电子传输区域中的空穴阻挡层，电子传输层和电子注入层中的至少一个包含至少一种如式2,3,4或5所示的化合物，如本文所述。

公开(公告)号：US20150318511A1

公开(公告)日：2015-11-05

申请号：US14458431

申请日：2014-08-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seul-Ong KIM ,  Youn-Sun KIM ,  Dong-Woo SHIN ,  Jung-Sub LEE ,  Naoyuki ITO

IPC: H01L51/50 ,  H01L27/32

CPC classification number: H01L51/0072 ,  H01L27/3244 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0067 ,  H01L51/0074 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/0094 ,  H01L51/5004 ,  H01L51/5028 ,  H01L51/5096 ,  H01L2251/5384 ,  H01L2251/552

Abstract: An organic light-emitting device and a flat panel display, the device including an anode; a cathode; and an organic layer therebetween, the organic layer including an EML, the EML including a first host and a second host that are different from one another, a hole transport region between the anode and the EML, the hole transport region including at least one of a hole injection layer (HIL), a hole transport layer (HTL), a butler layer, or an electron blocking layer (EBL), an electron transport region between the EML and the cathode, the electron transport region including at least one of a hole blocking layer (HBL), an electron transport layer (ETL), or an electron injection layer (EIL), and an intermediate layer between the EML and the electron transport region; wherein the intermediate layer includes a compound having an electron affinity of more than 0 eV and less than 2.5 eV.

Abstract translation: 一种有机发光装置和平板显示器，该装置包括阳极; 阴极 和其间的有机层，所述有机层包括EML，所述EML包括彼此不同的第一主体和第二主体，所述阳极和所述EML之间的空穴传输区域，所述空穴传输区域包括以下各项中的至少一个： 空穴注入层（HIL），空穴传输层（HTL），管状层或电子阻挡层（EBL），EML和阴极之间的电子传输区域，电子传输区域包括 空穴阻挡层（HBL），电子传输层（ETL）或电子注入层（EIL）以及EML与电子传输区之间的中间层; 其中所述中间层包括具有大于0eV且小于2.5eV的电子亲和力的化合物。