公开(公告)号：US09647211B2

公开(公告)日：2017-05-09

申请号：US14471811

申请日：2014-08-28

申请人： SEIKO EPSON CORPORATION

发明人： Shotaro Watanabe ,  Yuta Okawa

IPC分类号： H01L21/48 ,  H01L51/00 ,  C09K11/06 ,  C09D11/30 ,  C09D11/50 ,  C09D11/52 ,  H01L51/50

CPC分类号： H01L51/0007 ,  C09D11/30 ,  C09D11/50 ,  C09D11/52 ,  C09K11/06 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5088

摘要： A method of manufacturing an ink for forming a functional layer includes: dispersing a mixture in which a low molecular material and a high molecular material are mixed in a poor solvent; and dissolving the mixture by adding a good solvent to the poor solvent in which the mixture is dispersed, in which a volume ratio of the poor solvent is from 10% to 70% with respect to the total volume in which the good solvent is added to the poor solvent and the poor solvent and the good solvent can be mixed.

公开(公告)号：US11951740B2

公开(公告)日：2024-04-09

申请号：US17648891

申请日：2022-01-25

申请人： SEIKO EPSON CORPORATION

发明人： Shotaro Tamai ,  Takahiro Katakura ,  Takanori Aimono ,  Yuta Okawa ,  Hitoshi Takaai

IPC分类号： B41J2/14

CPC分类号： B41J2/14233 ,  B41J2/14274 ,  B41J2002/14306 ,  B41J2002/14338 ,  B41J2202/11

摘要： A communication plate in which are provided a first communication channel communicating with the first pressure chamber and the second pressure chamber and a first common liquid chamber communicating with the first pressure chamber and the second pressure chamber at positions different from positions at which the first communication channel communicates with the first pressure chamber and the second pressure chamber, and a nozzle substrate in which a first nozzle communicating with the first pressure chamber and the second pressure chamber in common via the first communication channel is provided. A second communication channel communicating with the first common liquid chamber and communicating with the first pressure chamber and the second pressure chamber in common is provided in the pressure chamber substrate or the communication plate.

公开(公告)号：US11878527B2

公开(公告)日：2024-01-23

申请号：US17660933

申请日：2022-04-27

申请人： SEIKO EPSON CORPORATION

发明人： Takahiro Katakura ,  Takanori Aimono ,  Yuta Okawa ,  Shotaro Tamai

IPC分类号： B41J2/14

CPC分类号： B41J2/14233 ,  B41J2/14145 ,  B41J2002/14362 ,  B41J2202/12

摘要： The control portion controls (i) a discharging operation of discharging the liquid from the plurality of nozzles by driving the plurality of energy generation elements and (ii) a pressurization operation of pressurizing the liquid from the individual flow path side in a state in which the plurality of nozzles are sealed by the sealing portion.