JP2013127658A5 - Touch panel and conductive sheet for touch panel - Google Patents

Description

As shown in FIGS. 1 and 2, the conductive sheet 10 for a touch panel according to the present embodiment is electrically connected to an electrode pattern 16A (16B) composed of fine metal wires, and an end portion of the electrode pattern 16A (16B). and connected to the electrode terminals 60A (60B), an electrically electron over preparative 12A having (12B) and the electrode terminals 60A (60B) is to include a mesh shape 66 consisting of grating 68 made of a thin metal wire Configured.

In combination pattern 70, in a top view, the small lattice is formed by the grating 24A and the grating 24B. That is, the intersection of the grating 24A is arranged in the opening area of the grating 24B. Incidentally, the small lattice, the lattice pitch Pa of the grating 24A and the grating 24B, less than half of 150μm or 400μm of Pb, preferably a 300μm following the grating pitch Ps than 200 [mu] m.

As shown in FIG. 1, the electrode terminal 60A (60B) is changed to a mesh shape 66 made of a lattice 68 in which the electrode terminal 60A (60B) is made of a thin metal wire, thereby making the touch panel different from a conventional thick terminal (solid terminal) In the sensing region (electrode pattern), since the electrode terminal is difficult to block the light emitted from the display, a darkened portion does not appear near the electrode terminal in the sensing region. Therefore, the visibility is not impaired near the electrode terminals in the sensing region.

Claims (16)

An electrode pattern formed of a thin metal wire having a line width of 0.7 to 9 μm provided in the sensing region, and an electrode terminal provided outside the sensing region and electrically connected to an end of the electrode pattern; , A touch panel having a conductive sheet provided with,
The electrode terminal is a touch panel including a mesh shape made of a lattice made of fine metal wires. The touch panel according to claim 1, wherein a line width of a thin metal wire constituting the electrode pattern is 1 to 7 μm . The electrode pattern, together with a mesh shape made of the grating, the pitch of the mesh shape composed of grid electrode terminal, the electrode dense than the pitch of the mesh shape made of lattice is claim 1 or claim pattern 2 Touch panel as described in 1. The touch panel according to claim 3 , wherein a pitch of the mesh shape made of the grid of the electrode terminals is 3/4 or less of a pitch of the mesh shape made of the grid of the electrode pattern. The touch panel according to claim 3, wherein a pitch of the mesh shape formed of the grid of the electrode terminals is 2/3 or less of a pitch of the mesh shape formed of the grid of the electrode pattern. The touch panel according to claim 3, wherein a pitch of the mesh shape formed of the grid of the electrode terminals is ½ or less of a pitch of the mesh shape formed of the grid of the electrode pattern. The touch panel according to any one of claims 1 to 6, wherein the other end portion to which the electrode terminal is not connected is an open end with respect to the end portion of the electrode pattern. 7. The device according to claim 1, further comprising an additional electrode terminal at the other end where the electrode terminal is not connected to the end of the electrode pattern, wherein the additional electrode terminal has a mesh shape made of a lattice. The touch panel according to claim 1. The pitch of the mesh shape composed of grid electrode terminal includes a touch panel according to any one of claims 3 to 8 is 50μm or more 300μm or less. Wherein the electrode terminal, the outer frame of the mesh shape made from the lattice of the electrode terminal, further, the touch panel according to any one of claims 1 to 9, frame shape made of a thin metal wire is provided. When the line width of the fine metal wire constituting the electrode pattern is A μm and the thin metal wire constituting the frame shape is B μm, the following equation (1) is satisfied between A and B: The touch panel according to claim 10.
B ≧ 2A Formula (1) When the line width of the fine metal wire constituting the electrode pattern is A μm and the fine wire wire constituting the frame shape is B μm, the following equation (2) is satisfied between A and B: The touch panel according to claim 10.
B ≧ A + 5 Expression (2) The touch panel according to any one of the electrode surface resistivity 4ohm / sq terminals. Above 80 [Omega / sq. Or less is claims 1 to 12. A conductive sheet for a touch panel comprising a thin metal wire having a line width of 0.7 to 9 μm and having an electrode pattern provided in a sensing region and an electrode terminal electrically connected to an end of the electrode pattern. And
The said electrode terminal is a conductive sheet for touchscreens containing the mesh shape which consists of a grid | lattice comprised by the metal fine wire. The conductive sheet for a touch panel according to claim 14, wherein the fine metal wires constituting the electrode pattern have a line width of 1 to 7 μm. The electrode pattern, together with a mesh shape made of the grating, the pitch of the mesh shape made from the lattice of the electrode terminals, according to claim 14 also 15 is denser than the pitch of the mesh shape made from the lattice of the electrode pattern Conductive sheet for touch panel .