公开(公告)号：US20150060828A1

公开(公告)日：2015-03-05

申请号：US14474892

申请日：2014-09-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Takumi SAGO ,  Seiichi TANABE ,  Shotaro WATANABE ,  Kohei ISHIDA

IPC: H01L51/56 ,  H01L51/50 ,  H01L51/00

CPC classification number: H01L51/56 ,  H01L27/3211 ,  H01L27/3244 ,  H01L51/0005 ,  H01L51/0008 ,  H01L51/0037 ,  H01L51/004 ,  H01L51/0059 ,  H01L51/0081 ,  H01L51/5012 ,  H01L51/506 ,  H01L51/5072 ,  H01L51/5092

Abstract: An organic EL element with a functional layer including at least a hole injection layer, a hole transport layer, and a luminescence layer laminated from a pixel electrode side in order between a pixel electrode as an anode and a counter electrode as a cathode, and a method of manufacturing the organic EL element has a forming process by applying a solution including a low molecular material and a high molecular material to at least one layer among the hole injection layer, the hole transport layer, and luminescence layer, in which the molecular weight of low molecular material is 10,000 or less and the molecular weight of high molecular material is 10,000 to 300,000, and in which a mixing ratio of low molecular material is 10 wt % to 90 wt % with respect to the weight of low molecular material and high molecular material included in the solution.

Abstract translation: 具有功能层的有机EL元件，其功能层至少包括从作为阳极的像素电极和作为阴极的反电极之间的像素电极侧层叠的空穴注入层，空穴传输层和发光层，以及 制造有机EL元件的方法具有通过在空穴注入层，空穴传输层和发光层中的至少一层涂布包含低分子材料和高分子材料的溶液来形成其中分子量 低分子材料的分子量为10,000以下，高分子材料的分子量为10,000〜300,000，低分子材料的混合比相对于低分子材料的重量为10重量％〜90重量％，高分子量 分子材料包含在溶液中。