Fujifilm Corporation

Daisuke Hara

Masaya Nakayama

Hiroshige Nakamura

Kensuke Katagiri

Kimito Katsuyama

A conductive member is arranged on a display panel in which a plurality of pixels are arrayed in a mosaic array or a delta array, and includes a transparent insulating substrate and at least one conductive layer which has a plurality of thin metal wires and is arranged on the transparent insulating substrate, in a case of being viewed from a direction perpendicular to the transparent insulating substrate, a mesh pattern is formed by the plurality of thin metal wires, the mesh pattern is constituted by a plurality of quadrangular mesh cells having two acute angles of less than 90 degrees and two obtuse angles of more than 90 degrees, and a degree of the acute angles is 44 degrees or more and 54 degrees or less.

Conductive member, touch panel, and display device

A conductive sheet for a touch panel having an active area includes a first conductive layer that is formed of a first thin metal wire disposed in the active area; and a second conductive layer that is formed of a second thin metal wire disposed to overlap with the first conductive layer in the active area, in which a mesh pattern is formed of the first thin metal wire and the second thin metal wire in a case where the conductive sheet is seen from a direction perpendicular to the active area, the mesh pattern is a random pattern, an average line width of the first thin metal wire and the second thin metal wire is 0.5 &#x3bc;m to 3.5 &#x3bc;m, and an opening ratio of the mesh pattern is (92.3+X&#xd7;1.6)% to 99.6%. X represents the average line width of the first and the second thin metal wire.

Conductive film for touch panel, touch panel, and touch panel-equipped display device

A method of designing a mesh pattern includes: a first step of tightly disposing a plurality of polygons having an arbitrary shape in an area to form a transparent active area; a second step of obtaining a circumcenter of each of the polygons; a third step of disposing one arbitrary point in each of the polygons to be positioned at a distance, which is less than &#xbd; a radius of a circumscribed circle of the polygon, from the circumcenter; a fourth step of forming a pattern to form second cells by connecting two arbitrary points corresponding to two polygons that share each of sides of the polygons; and a fifth step of forming a pattern to form first cells using the polygons, in which the polygons having a random shape are disposed in the first step, and/or the arbitrary point is randomly disposed in the third step.

Method of designing mesh pattern of conductive film for touch panel, method of manufacturing conductive film for touch panel, and conductive film for touch panel

Growing community of inventors

Ashigarakami-gun, Japan

Daisuke Hara