公开(公告)号：US11648759B2

公开(公告)日：2023-05-16

申请号：US17685028

申请日：2022-03-02

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shoichiro Ogumi ,  Yoshimasa Ogawa ,  Eiji Ooishi ,  Yukimitsu Iwata ,  Yuji Shimizu ,  Ryota Kitayama ,  Hiroaki Mutou

IPC: G09G5/00 ,  B32B27/18 ,  G06F3/041 ,  H01L27/32 ,  H01L51/44 ,  G06F3/044 ,  B32B7/02

CPC classification number: B32B27/18 ,  B32B7/02 ,  G06F3/044 ,  G06F3/0412 ,  G06F3/0446 ,  H01L27/323 ,  H01L51/442 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200 Ω/□ or less, and the electroconductive film 10 has a haze value of 5% or less.

公开(公告)号：US11669211B2

公开(公告)日：2023-06-06

申请号：US16495999

申请日：2018-03-20

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shoichiro Ogumi ,  Eiji Ooishi ,  Yoshimasa Ogawa ,  Yuji Shimizu ,  Ryota Kitayama

IPC: G06F3/044

CPC classification number: G06F3/044

Abstract: One aspect of the present invention provides an electroconductive film 10 comprising a light-transmitting base material 11, a plurality of light-transmitting electroconductive parts 12 provided on one surface 11A of the light-transmitting base material 11, and a nonconductive part 13 located between the electroconductive parts 12, wherein each of the electroconductive parts 12 contains a light-transmitting resin 15 and an electroconductive fiber 16 incorporated in the light-transmitting resin 15; the nonconductive part 13 contains a light-transmitting resin 15; and the surface 13A of the nonconductive part 13 has an arithmetic average roughness of 3 nm or more.

公开(公告)号：US10831327B2

公开(公告)日：2020-11-10

申请号：US16337242

申请日：2017-09-29

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shoichiro Ogumi ,  Yoshimasa Ogawa ,  Eiji Ooishi ,  Yukimitsu Iwata ,  Yuji Shimizu ,  Ryota Kitayama ,  Hiroaki Mutou

IPC: G06F3/045 ,  G06F3/044 ,  G06F3/041 ,  H01L27/32 ,  H01L51/44 ,  B32B27/18 ,  B32B7/02

Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200 Ω/□ or less, and the electroconductive film 10 has a haze value of 5% or less.

公开(公告)号：US12014011B2

公开(公告)日：2024-06-18

申请号：US16957940

申请日：2018-12-25

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Masataka Inou ,  Shoichiro Ogumi ,  Yuji Shimizu ,  Hiroaki Mutou ,  Ryota Kitayama

IPC: B32B27/08 ,  B32B7/025 ,  B32B27/28 ,  B32B27/32 ,  B32B27/36 ,  G06F3/041 ,  G06F3/044 ,  H01B5/14

CPC classification number: G06F3/044 ,  B32B7/025 ,  B32B27/08 ,  B32B27/281 ,  B32B27/325 ,  B32B27/36 ,  G06F3/0412 ,  H01B5/14 ,  B32B2255/26 ,  B32B2262/10 ,  B32B2264/10 ,  B32B2307/202 ,  B32B2457/208

Abstract: An aspect of the present invention provides an electroconductive film 10 including a first electroconductive part 11 and a second electroconductive part 14, wherein the surface 14A of the second electroconductive part 14 forms at least a part of the surface 10A of the electroconductive film 10, the surface 11A of the first electroconductive part 11 forms at least a part of the back face 10B of the electroconductive film 10, the first electroconductive part 11 and the second electroconductive part 14 each contain electroconductive fibers 15 and 17, and the surface resistance value of the second electroconductive part 14 is within ±30% of the surface resistance value of the first electroconductive part 11.

公开(公告)号：US11298925B2

公开(公告)日：2022-04-12

申请号：US16922239

申请日：2020-07-07

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shoichiro Ogumi ,  Yoshimasa Ogawa ,  Eiji Ooishi ,  Yukimitsu Iwata ,  Yuji Shimizu ,  Ryota Kitayama ,  Hiroaki Mutou

IPC: G06F3/045 ,  B32B27/18 ,  G06F3/041 ,  H01L27/32 ,  H01L51/44 ,  B32B7/02 ,  G06F3/044

Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200Ω/□ or less, and the electroconductive film 10 has a haze value of 5% or less.