公开(公告)号：US20130153873A1

公开(公告)日：2013-06-20

申请号：US13715428

申请日：2012-12-14

Applicant: SEIKO EPSON CORPORATION

Inventor： Shotaro WATANABE ,  Hiroshi TAKIGUCHI

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

CPC classification number: H01L51/50 ,  H01L51/0005 ,  H01L51/0007 ,  H01L51/0037 ,  H01L51/0039 ,  H01L51/0042 ,  H01L51/0043 ,  H01L51/0085 ,  H01L51/5056 ,  H01L51/56 ,  H01L2251/308

Abstract: A film-forming ink according to an embodiment of the invention includes a film-forming material; and a liquid medium which dissolves or disperses the film-forming material, in which the liquid medium contains an ether compound represented by Formula (I).

Abstract translation: 根据本发明实施方案的成膜油墨包括成膜材料; 以及溶解或分散成膜材料的液体介质，其中液体介质含有由式（I）表示的醚化合物。

公开(公告)号：US20210095151A1

公开(公告)日：2021-04-01

申请号：US17042067

申请日：2019-02-06

Applicant: Seiko Epson Corporation

Inventor： Kei HIRUMA ,  Homare KURIBAYASHI ,  Shotaro WATANABE ,  Koji IMAMURA ,  Masato HANAMURA ,  Jungo ASANO

IPC: C09D11/328 ,  C09D11/38 ,  C08K3/08 ,  C08K5/092 ,  D06P5/00 ,  D06P5/30

Abstract: A composition for aqueous ink contains water and a coloring material, wherein the calcium ion content x (ppm) and the oxalate ion content y (ppm) in the composition for aqueous ink jet satisfy the relation of y≤3491.8x−3.386.

公开(公告)号：US20180062078A1

公开(公告)日：2018-03-01

申请号：US15556583

申请日：2016-02-25

Applicant: SEIKO EPSON CORPORATION

Inventor： Shotaro WATANABE ,  Keisuke MORITA ,  Takuya SONOYAMA

IPC: H01L51/00 ,  H01L51/56 ,  C09D11/52 ,  C09D11/36

CPC classification number: H01L51/0005 ,  C09D11/36 ,  C09D11/52 ,  H01L27/3211 ,  H01L51/0007 ,  H01L51/005 ,  H01L51/0059 ,  H01L51/50 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5271 ,  H01L51/56 ,  H05B33/10

Abstract: A functional layer forming composition is capable of obtaining a stable film forming property when a liquid phase process is used. A method produces a functional layer forming composition. A method produces an organic EL element. An organic EL device and an electronic apparatus are also described. A functional layer forming composition is used when at least one layer in a functional layer containing an organic material is formed by a liquid phase process, and is characterized in that the composition includes a solid component for forming a functional layer, a first aromatic solvent having an electron withdrawing group, and a second aromatic solvent having an electron donating group, and the boiling point of the second aromatic solvent is higher than the boiling point of the first aromatic solvent.

公开(公告)号：US20170335126A1

公开(公告)日：2017-11-23

申请号：US15532406

申请日：2015-11-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Shotaro WATANABE ,  Takuya SONOYAMA

IPC: C09D11/50 ,  C09D11/033 ,  C09D11/106 ,  C09D11/52 ,  C09D11/38 ,  C09K11/66 ,  C09K11/06 ,  C09K11/02 ,  H01L51/00 ,  C09D11/36

Abstract: A film-forming ink includes a film-forming material and a liquid medium in which the film-forming material is dissolved or dispersed. The liquid medium contains a first component which has a viscosity of less than 20 cp and a second component which has a boiling point at an atmospheric pressure within a range of ±30° C. relative to the boiling point at an atmospheric pressure of the first component and has a viscosity of 20 cp or more, and the second component is contained in an amount of 20 parts by weight or more and 500 parts by weight or less with respect to 100 parts by weight of the first component.

公开(公告)号：US20170267880A1

公开(公告)日：2017-09-21

申请号：US15531904

申请日：2015-11-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Takuya SONOYAMA ,  Koji IMAMURA ,  Shotaro WATANABE

IPC: C09D11/033 ,  C09D11/30 ,  H01L27/32 ,  H01L51/00 ,  C09D11/36 ,  H01L51/56 ,  C23C14/06 ,  C09D11/102

Abstract: To provide a film-forming ink and a film formation method, capable of making the dimensional accuracy of a film to be formed excellent by increasing the apparent liquid droplet amount of a film-forming ink to be supplied as a liquid droplet into an opening part included in a partition wall, and also to provide a device with a film and an electronic apparatus, each of which has a film formed using the film formation method. A film-forming ink of the invention includes a film-forming material and a liquid medium in which the film-forming material is dissolved or dispersed, wherein the liquid medium contains a first component which has a boiling point at an atmospheric pressure of 200° C. or higher and a second component which has a boiling point at an atmospheric pressure lower than the first component.

公开(公告)号：US20150280130A1

公开(公告)日：2015-10-01

申请号：US14666936

申请日：2015-03-24

Applicant: SEIKO EPSON CORPORATION

Inventor： Takumi SAGO ,  Masahiro UCHIDA ,  Kohei ISHIDA ,  Shotaro WATANABE

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56

CPC classification number: H01L51/0005 ,  H01L27/3246 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092

Abstract: A light-emitting element includes an anode, a cathode, a hole transporting layer provided between the anode and cathode, a light-emitting layer provided in contact with the hole transporting layer between the anode and cathode, where the surface of the light-emitting layer side of the hole transporting layer is formed in a shape having a part in which the distance with the reference surface along the anode changes in a continuous or step-wise manner, and the surface of the opposite side to the hole transporting layer of the light-emitting layer is formed so as to have the same shape as the surface of the light-emitting layer of the hole transporting layer.

Abstract translation: 发光元件包括阳极，阴极，设置在阳极和阴极之间的空穴传输层，与阳极和阴极之间的空穴传输层接触的发光层，其中发光的表面 空穴传输层的层侧被形成为具有与基准表面沿着阳极的距离以连续或逐步的方式变化的部分的形状，并且与空穴传输层的空穴传输层相反的一侧的表面 发光层形成为与空穴传输层的发光层的表面相同的形状。

公开(公告)号：US20150097173A1

公开(公告)日：2015-04-09

申请号：US14504989

申请日：2014-10-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Shotaro WATANABE ,  Masahiro UCHIDA

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  H01L51/56

CPC classification number: H01L51/5012 ,  H01L27/3246 ,  H01L51/0004 ,  H01L51/0054 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/56

Abstract: An organic EL element manufacturing method includes coating ink which contains a functional layer forming material in a coating region which is configured by a pixel electrode and a partition wall which surrounds a periphery of the pixel electrode, where, in the coating ink, the ink is coated so as to satisfy the following expressions (1) to (3) in a case where a contact angle of the ink with respect to the side surface of the partition wall is set to θbc and a contact angle with respect to a surface of the coating region where the ink is coated is set to θlc. θbc≦θlc   (1) θbc≦5°  (2) θlc≦20°  (3)

Abstract translation: 一种有机EL元件制造方法包括在由像素电极和围绕像素电极的周围的分隔壁构成的涂布区域中涂布含有功能层形成材料的油墨，涂布油墨中的油墨为 在油墨相对于分隔壁的侧面的接触角被设定为＆amp; bc和相对于表面的接触角的情况下，涂覆以满足以下表达式（1）至（3） 涂覆油墨的涂层区域设定为lc。 ＆thetas; bc＆nlE;＆thetas; lc（1）＆thetas; bc＆nlE; 5°（2）＆thetas; lc＆nlE; 20°（3）

公开(公告)号：US20140138655A1

公开(公告)日：2014-05-22

申请号：US14077955

申请日：2013-11-12

Applicant: SEIKO EPSON CORPORATION

Inventor： Takuya SONOYAMA ,  Shotaro WATANABE

IPC: C09D11/00 ,  H01L51/56 ,  H01L51/50

CPC classification number: C09D11/36 ,  C09D11/52 ,  H01L51/0005 ,  H01L51/0007 ,  H01L51/56

Abstract: An ink for forming a functional layer includes a first component that contains at least one kind of aromatic solvent of which a boiling point is higher than or equal to 250° C. and lower than or equal to 350° C., a second component that contains at least one kind of aliphatic solvent of which a boiling point is higher than or equal to 200° C., and a third component that is a positive hole injection material (m-MTDATA) for forming a positive hole injection layer, in which a solubility of the third component in the first component is higher than the solubility of the third component in the second component, a mixing ratio of the second component is 30 vol %, the boiling point of the first component is higher than the boiling point of the second component, and a difference between the boiling points thereof is higher than or equal to 30° C.

Abstract translation: 用于形成功能层的油墨包括含有沸点高于或等于250℃且低于或等于350℃的至少一种芳族溶剂的第一组分，第二组分 含有沸点高于或等于200℃的至少一种脂族溶剂，以及用于形成空穴注入层的空穴注入材料（m-MTDATA）的第三成分，其中， 第三成分在第一成分中的溶解度高于第三成分在第二成分中的溶解度，第二成分的混合比为30体积％，第一成分的沸点高于第二成分的沸点 第二成分，其沸点之差大于或等于30℃。

公开(公告)号：US20190111677A1

公开(公告)日：2019-04-18

申请号：US16088781

申请日：2017-03-24

Applicant: SEIKO EPSON CORPORATION

Inventor： Shotaro WATANABE ,  Takuya SONOYAMA

IPC: B41J2/135 ,  B41M5/00 ,  B42D25/378 ,  C09D11/322 ,  G07D7/128

Abstract: An ink for liquid droplet discharge includes particles formed of a material that emits upconversion light. An average particle diameter of the particles be 10 nm or more and 200 nm or less. A content of the particles in the ink for liquid droplet discharge be 0.1% by mass or more and 20% by mass or less. The ink for liquid droplet discharge be colorless. The particles are formed of a material containing an inorganic substance.

公开(公告)号：US20180030296A1

公开(公告)日：2018-02-01

申请号：US15654064

申请日：2017-07-19

Applicant: SEIKO EPSON CORPORATION

Inventor： Tatsuya FUJII ,  Takuya SONOYAMA ,  Shotaro WATANABE

IPC: C09D11/36 ,  C09D11/106 ,  H01L51/00 ,  C09D11/033 ,  C09D11/328 ,  C09D11/54 ,  C09D11/52 ,  C09D11/102

Abstract: An ink composition includes a first component which is a hydrophilic solvent, a second component which is a hydrophobic solvent, a third component which is an amphiphilic solvent, and a fourth component which includes a solute or a dispersing element, and when the third component evaporates, the ink composition is separated into a phase which mainly includes the first component and a phase which mainly includes the second component.