公开(公告)号：US20100301318A1

公开(公告)日：2010-12-02

申请号：US12788788

申请日：2010-05-27

申请人： Hitoshi KUMA ,  Yuichiro KAWAMURA ,  Yukitoshi JINDE ,  Toshinari OGIWARA ,  Chishio HOSOKAWA

发明人： Hitoshi KUMA ,  Yuichiro KAWAMURA ,  Yukitoshi JINDE ,  Toshinari OGIWARA ,  Chishio HOSOKAWA

IPC分类号： H01L51/52 ,  H01L51/54

CPC分类号： H01L51/5028 ,  B82Y10/00 ,  C09B1/00 ,  C09B57/00 ,  C09B57/001 ,  H01L51/0048 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/5096

摘要： An organic electroluminescence device including at least an anode, an emitting layer, an electron-transporting region and a cathode in sequential order, wherein the emitting layer contains a host and a dopant which gives fluorescent emission of which the main peak wavelength is 550 nm or less; the affinity Ad of the dopant is equal to or larger than the affinity Ah of the host; the triplet energy ETd of the dopant is larger than the triplet energy ETb of the host; and a blocking layer is provided within the electron-transporting region such that it is adjacent to the emitting layer, and the triplet energy ETb of the blocking layer is larger than ETh.

摘要翻译： 一种有机电致发光器件，其至少包括阳极，发光层，电子传输区域和阴极，其中发光层包含主体和掺杂物，其给出主峰波长为550nm的荧光发射，或 减; 掺杂剂的亲和力Ad等于或大于主体的亲和力Ah; 掺杂剂的三重态能量ETd大于主体的三线态能量ETb; 并且在电子传输区域内设置阻挡层，使其与发光层相邻，并且阻挡层的三线态能量ETb大于ETh。

公开(公告)号：US20100181906A1

公开(公告)日：2010-07-22

申请号：US12748025

申请日：2010-03-26

申请人： Hitoshi KUMA ,  Kenichi FUKUOKA ,  Chishio HOSOKAWA

发明人： Hitoshi KUMA ,  Kenichi FUKUOKA ,  Chishio HOSOKAWA

IPC分类号： H01J1/63

CPC分类号： H01L51/5265

摘要： An organic electroluminescent device including a first electrode (11), a second electrode (16), and an organic material layer (20) interposed therebetween; the second electrode (16) being light-transmissible; the organic material layer (20) having a structure wherein a first carrier transporting layer (12), an organic emitting layer (14) and a second carrier transporting layer (15) are stacked in this order; the organic material layer (20) including a conductive light-reflecting layer (13) therein; and the part between the light-transmissible second electrode (16) and the light-reflecting layer (13) forming an optical resonator enhancing light emitted from the organic emitting layer (14).

摘要翻译： 一种有机电致发光器件，包括：第一电极（11），第二电极（16）和有机材料层（20）; 所述第二电极（16）是透光的; 具有第一载流子传输层（12），有机发光层（14）和第二载流子传输层（15）的结构的有机材料层（20）按顺序堆叠。 所述有机材料层（20）中包含导电光反射层（13）; 以及形成光学谐振器的透光性第二电极（16）与光反射层（13）之间的部分，从而增强从有机发光层（14）发射的光。