公开(公告)号：US20200224047A1

公开(公告)日：2020-07-16

申请号：US16629128

申请日：2018-07-19

Applicant: DIC CORPORATION

Inventor： Sunao Yoshihara ,  Takayuki Miki ,  Hirotomo Sasaki ,  Ikuro Kiyoto ,  Minoru Tabuchi

IPC: C09D11/322 ,  C09D11/38 ,  G02B5/20

Abstract: The present invention provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of −1.5 to 7.0. The present invention also provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of −1.0 to 6.5, and the ink composition has a water (H2O) content of 90 ppm or less measured with a Karl Fischer moisture meter. The present invention also provides a light conversion layer including a plurality of pixel units, wherein the plurality of pixel units include a pixel unit containing a cured product of the ink composition, and the light conversion layer is formed of the cured product of the ink composition. The present invention also provides a color filter including the light conversion layer.

公开(公告)号：US20190390076A1

公开(公告)日：2019-12-26

申请号：US16474357

申请日：2017-12-21

Applicant: DIC Corporation

Inventor： Takeshi Isonaka ,  Yasuo Umezu ,  Hidehiko Yamaguchi ,  Yoshio Aoki ,  Hirotomo Sasaki ,  Sunao Yoshihara ,  Takayuki Miki ,  Aya Ishizuka ,  Takeo Kizaki

IPC: C09D11/38 ,  C09D11/40 ,  B41J2/21 ,  G02F1/1335

Abstract: A dispersion contains, as essential ingredients, light-emitting nanocrystals, a polymeric dispersant having an amine value of 5 mg/KOH g or more, and a stimulation-responsive curable material that cures in response to an external stimulus.

公开(公告)号：US09629253B2

公开(公告)日：2017-04-18

申请号：US14441605

申请日：2014-03-06

Applicant: DIC Corporation

Inventor： Sunao Yoshihara ,  Haruhiko Katsuta ,  Yoshinori Katayama ,  Jun Shirakami ,  Akira Murakawa ,  Wataru Fujikawa ,  Yukie Saitou

IPC: B05D5/12 ,  H05K3/18 ,  C23C18/30 ,  H05K1/02 ,  H05K3/20

CPC classification number: H05K3/182 ,  C23C18/30 ,  H05K1/02 ,  H05K3/207 ,  H05K2203/0108 ,  H05K2203/0709 ,  H05K2203/097

Abstract: Provided are a method for forming a high-definition metal pattern which including the steps of (1) forming a receiving layer on a substrate by coating the substrate with a resin composition including a urethane resin having a weight-average molecular weight of five thousand or more or a vinyl resin and a medium, (2) forming a plating-core pattern on the receiving layer by printing an ink including a particle that serves as a plating core on the receiving layer by reverse offset printing, and (3) depositing a metal on the plating-core pattern by electroless plating, a high-definition metal pattern formed by the above-described method, and an electronic component including the high-definition metal pattern.

公开(公告)号：US11926750B2

公开(公告)日：2024-03-12

申请号：US16761943

申请日：2018-10-25

Applicant: DIC Corporation

Inventor： Takeo Kizaki ,  Minoru Tabuchi ,  Mariko Toshimitsu ,  Sunao Yoshihara ,  Ikuro Kiyoto

IPC: C09D11/037 ,  C09D11/107 ,  C09D11/322 ,  C09D11/38 ,  G02B5/22

CPC classification number: C09D11/322 ,  C09D11/037 ,  C09D11/107 ,  C09D11/38 ,  G02B5/223

Abstract: There is provided an ink composition that can form a color filter pixel unit with high external quantum efficiency. An ink composition containing light-emitting nanocrystal particles, light-diffusing particles, and at least two monomers with an ethylenically unsaturated group, wherein the at least two monomers include two monomers with Hansen solubility parameters δd, δp, and δh that satisfy the following conditions: 16.0 MPa0.5≤δd

公开(公告)号：US11618833B2

公开(公告)日：2023-04-04

申请号：US16629128

申请日：2018-07-19

Applicant: DIC CORPORATION

Inventor： Sunao Yoshihara ,  Takayuki Miki ,  Hirotomo Sasaki ,  Ikuro Kiyoto ,  Minoru Tabuchi

IPC: C09D11/322 ,  C09D11/38 ,  G02B5/20 ,  C09D11/32 ,  C09D11/101

Abstract: The present invention provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of −1.5 to 7.0. The present invention also provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of −1.0 to 6.5, and the ink composition has a water (H2O) content of 90 ppm or less measured with a Karl Fischer moisture meter. The present invention also provides a light conversion layer including a plurality of pixel units, wherein the plurality of pixel units include a pixel unit containing a cured product of the ink composition, and the light conversion layer is formed of the cured product of the ink composition. The present invention also provides a color filter including the light conversion layer.

公开(公告)号：US20210139730A1

公开(公告)日：2021-05-13

申请号：US17133773

申请日：2020-12-24

Applicant: DIC CORPORATION

Inventor： Takeshi Isonaka ,  Yasuo Umezu ,  Hidehiko Yamaguchi ,  Yoshio Aoki ,  Hirotomo Sasaki ,  Sunao Yoshihara ,  Takayuki Miki ,  Aya Ishizuka ,  Takeo Kizaki

IPC: C09D11/38 ,  B41J2/21 ,  C09D11/40 ,  G02F1/1335 ,  G02B5/20

Abstract: A dispersion contains, as essential ingredients, light-emitting nanocrystals, a polymeric dispersant having an amine value of 5 mg/KOH g or more, and a stimulation-responsive curable material that cures in response to an external stimulus.

公开(公告)号：US20210009826A1

公开(公告)日：2021-01-14

申请号：US16761943

申请日：2018-10-25

Applicant: DIC Corporation

Inventor： Takeo Kizaki ,  Minoru Tabuchi ,  Mariko Toshimitsu ,  Sunao Yoshihara ,  Ikuro Kiyoto

IPC: C09D11/322 ,  C09D11/107 ,  C09D11/037 ,  C09D11/38 ,  G02B5/22

Abstract: There is provided an ink composition that can form a color filter pixel unit with high external quantum efficiency. An ink composition containing light-emitting nanocrystal particles, light-diffusing particles, and at least two monomers with an ethylenically unsaturated group, wherein the at least two monomers include two monomers with Hansen solubility parameters δd, δp, and δh that satisfy the following conditions: 16.0 MPa0.5≤δd

公开(公告)号：US10947403B2

公开(公告)日：2021-03-16

申请号：US16474357

申请日：2017-12-21

Applicant: DIC Corporation

Inventor： Takeshi Isonaka ,  Yasuo Umezu ,  Hidehiko Yamaguchi ,  Yoshio Aoki ,  Hirotomo Sasaki ,  Sunao Yoshihara ,  Takayuki Miki ,  Aya Ishizuka ,  Takeo Kizaki

IPC: B41M5/00 ,  C09K19/00 ,  C09D11/38 ,  B41J2/21 ,  C09D11/40 ,  G02F1/1335 ,  G02B5/20 ,  B82Y20/00

Abstract: A dispersion contains, as essential ingredients, light-emitting nanocrystals, a polymeric dispersant having an amine value of 5 mg/KOH g or more, and a stimulation-responsive curable material that cures in response to an external stimulus.

公开(公告)号：US10470312B2

公开(公告)日：2019-11-05

申请号：US14769574

申请日：2014-03-06

Applicant: DIC CORPORATION

Inventor： Sunao Yoshihara ,  Haruhiko Katsuta ,  Yoshinori Katayama ,  Jun Shirakami ,  Akira Murakawa ,  Wataru Fujikawa ,  Yukie Saitou

IPC: C25D5/02 ,  H05K3/18 ,  C25D5/56 ,  C25D7/00 ,  H05K1/03 ,  H05K1/09 ,  H05K3/12

Abstract: There is provided a method for forming an electrically conductive ultrafine pattern which has an excellent pattern cross-sectional shape is provided by a composite technique including a printing process and a plating process, and furthermore, by imparting excellent adhesion to each interface of a laminate including a plating core pattern, an electrically conductive ultrafine pattern which can be preferably used as a highly accurate electric circuit and a method for manufacturing the same are also provided. The method includes (1) a step of applying a resin composition to form a receiving layer on a substrate; (2) a step of printing an ink containing plating core particles by a reverse offset printing method to form a plating core pattern on the receiving layer; and (3) a step of depositing a metal on the plating core pattern formed in the step (2) by an electrolytic plating method.

公开(公告)号：US20150289383A1

公开(公告)日：2015-10-08

申请号：US14441605

申请日：2014-03-06

Applicant: DIC Corporation

Inventor： Sunao Yoshihara ,  Haruhiko Katsuta ,  Yoshinori Katayama ,  Jun Shirakami ,  Akira Murakawa ,  Wataru Fujikawa ,  Yukie Saitou

IPC: H05K3/18 ,  H05K1/02

CPC classification number: H05K3/182 ,  C23C18/30 ,  H05K1/02 ,  H05K3/207 ,  H05K2203/0108 ,  H05K2203/0709 ,  H05K2203/097

Abstract: Provided are a method for forming a high-definition metal pattern which including the steps of (1) forming a receiving layer on a substrate by coating the substrate with a resin composition including a urethane resin having a weight-average molecular weight of five thousand or more or a vinyl resin and a medium, (2) forming a plating-core pattern on the receiving layer by printing an ink including a particle that serves as a plating core on the receiving layer by reverse offset printing, and (3) depositing a metal on the plating-core pattern by electroless plating, a high-definition metal pattern formed by the above-described method, and an electronic component including the high-definition metal pattern.

Abstract translation: 提供一种形成高分辨率金属图案的方法，其包括以下步骤：（1）通过用包含重均分子量为5000的聚氨酯树脂的树脂组合物涂布基材在基底上形成接收层，或 更多或者乙烯基树脂和介质，（2）通过反向胶版印刷在接收层上印刷包括用作电镀芯的颗粒的油墨在接收层上形成电镀芯图案，以及（3） 通过无电解镀覆在电镀芯图案上的金属，通过上述方法形成的高清金属图案，以及包括高分辨率金属图案的电子部件。