公开(公告)号：US10908755B2

公开(公告)日：2021-02-02

申请号：US16843321

申请日：2020-04-08

Applicant: FUJIFILM Corporation

Inventor： Masaya Nakayama ,  Reona Ikeda

IPC: G06F3/044

Abstract: A conductive member includes: a plurality of first electrodes; and a first dummy electrode which is arranged between the first electrodes adjacent to each other, in which the first electrode has a first detection electrode portion having a first mesh pattern constituted by electrically connecting a plurality of first mesh cells formed of metal fine wires and a dummy pattern portion in the first electrode which is formed of metal fine wires arranged inside the first mesh cell of the first mesh pattern so as to be insulated from the first detection electrode portion, the dummy pattern portion in the first electrode includes metal fine wires intersecting to each other, and the first dummy electrode is electrically insulated from the first detection electrode portion and is formed of metal fine wires.

公开(公告)号：US11758660B2

公开(公告)日：2023-09-12

申请号：US17667937

申请日：2022-02-09

Applicant: FUJIFILM Corporation

Inventor： Masaya Nakayama ,  Tadashi Kuriki ,  Reona Ikeda

IPC: G06F3/044 ,  H05K1/11 ,  H05K3/00 ,  H05K3/28

CPC classification number: H05K1/119 ,  G06F3/0448 ,  H05K3/0014 ,  H05K3/28 ,  G06F3/0445 ,  G06F3/0446 ,  G06F2203/04112

Abstract: A conductive member for a touch panel includes a transparent insulating member; and a plurality of first electrodes extending in a first direction and arranged in parallel in a second direction intersecting the first direction, in which the plurality of first electrodes are constituted by a first mesh conductive film a plurality of fine metal wires are electrically connected, the plurality of first electrodes include a plurality of first main electrodes each having an electrode width Wa defined in the second direction and at least one first sub-electrode having an electrode width Wb smaller than Wa of the first main electrode in the second direction, the first sub-electrode is the first electrode arranged on an outermost side among the plurality of first electrodes, an opening ratio of the first sub-electrode is smaller than that of the first main electrode, and the first main electrode has a first dummy pattern.

公开(公告)号：US10649606B2

公开(公告)日：2020-05-12

申请号：US16551081

申请日：2019-08-26

Applicant: FUJIFILM Corporation

Inventor： Masaya Nakayama ,  Reona Ikeda

IPC: G06F3/044

Abstract: A first electrode on a first surface of a transparent insulating member has a first detection electrode portion having a first mesh pattern and a dummy pattern portion in the first electrode arranged so as to be insulated from the first detection electrode portion in a first mesh cell constituting the first mesh pattern, a second electrode on a second surface of the transparent insulating member has a second detection electrode portion having a second mesh pattern and a dummy pattern portion in the second electrode arranged so as to be insulated from a second detection electrode portion in a second mesh cell constituting the second mesh pattern, and a third mesh pattern is formed by combining the first detection electrode portion, the dummy pattern portion in the first electrode, the second detection electrode portion, and the dummy pattern portion in the second electrode.

公开(公告)号：US11284514B2

公开(公告)日：2022-03-22

申请号：US16710364

申请日：2019-12-11

Applicant: FUJIFILM Corporation

Inventor： Masaya Nakayama ,  Tadashi Kuriki ,  Reona Ikeda

IPC: G06F3/044 ,  H05K1/11 ,  H05K3/00 ,  H05K3/28

Abstract: A conductive member 1 for a touch panel includes a plurality of first electrodes 11 extending in a first direction and arranged in parallel in a second direction intersecting the first direction, in which the plurality of first electrodes are constituted by a first mesh conductive film MF1 constituted by a plurality of fine metal wires Ma, and include a plurality of first main electrodes each having a defined electrode width Wa and at least one first sub-electrode having an electrode width Wb smaller than the electrode width Wa of the first main electrode, and in which over an entire region of the first sub-electrode, a mesh pitch Pb of the first mesh conductive film MF1 constituting the first sub-electrode in the second direction is smaller than a mesh pitch Pa of the first mesh conductive film MF1 constituting the first main electrode in the second direction.

公开(公告)号：US11137864B2

公开(公告)日：2021-10-05

申请号：US17136562

申请日：2020-12-29

Applicant: FUJIFILM Corporation

Inventor： Masaya Nakayama ,  Reona Ikeda

IPC: G06F3/044

Abstract: A first electrode on a first surface of a transparent insulating member has a first detection electrode portion having a first mesh pattern and a dummy pattern portion in the first electrode arranged so as to be insulated from the first detection electrode portion in a first mesh cell constituting the first mesh pattern, a second electrode on a second surface of the transparent insulating member has a second detection electrode portion having a second mesh pattern and a dummy pattern portion in the second electrode arranged so as to be insulated from a second detection electrode portion in a second mesh cell constituting the second mesh pattern, and a third mesh pattern is formed by combining the first detection electrode portion, the dummy pattern portion in the first electrode, the second detection electrode portion, and the dummy pattern portion in the second electrode.

公开(公告)号：US10345941B2

公开(公告)日：2019-07-09

申请号：US15782296

申请日：2017-10-12

Applicant: FUJIFILM Corporation

Inventor： Shinichi Nakai ,  Yuki Matsunami ,  Reona Ikeda ,  Tadashi Kuriki

IPC: G06F3/045 ,  G06F3/041 ,  B32B7/02 ,  B32B9/00 ,  B32B27/36 ,  G02B5/30 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/13363

Abstract: Provided are a transparent base material film laminate that is used by being arranged on the viewing side of a polarizing plate of an image display device having a backlight light source and the polarizing plate, the laminate having a first transparent base material film and a second transparent base material film, in which a Re of the first transparent base material film is 4,000 nm or more, the laminate is arranged for use such that an angle formed between a slow axis of the first transparent base material film and an absorption axis of the polarizing plate is 45°±20° and such that an angle formed between a slow axis of the second transparent base material film and the absorption axis of the polarizing plate is 90°±30° or 0°±30°, an angle formed between the slow axes of the first transparent base material film and the second transparent base material film is neither 0° nor 90°, and the second transparent base material film is used by being arranged on the viewing side with respect to the first transparent base material film.