Sensing metal grid of touch panel and manufacturing method for sensing metal grid

Abstract

The invention provides a sensing metal grid of a touch panel and a manufacturing method for the sensing metal grid. The manufacturing method for the sensing metal grid comprises the steps of defining a plurality of first reference nodes and first reference points on a first plane, wherein the first reference nodes are regularly arranged and each first reference point is arranged between any two adjacent first reference nodes; defining a plurality of second reference nodes and second reference points on a second plane, wherein the second reference nodes are regularly arranged and staggered with vertical projections of the first reference nodes, and vertical projections of the first and second reference points are same; by taking each first reference point as a center, randomly selecting a first break point in an offset region; and connecting all the first reference nodes and first break points to form a first grid graph block of the sensing metal grid on the first plane.

Description

Technical field [0001] The present invention relates to a sensing metal grid of a touch panel and a manufacturing method thereof, in particular to a sensing metal grid of a touch panel capable of reducing or avoiding interference patterns (Moire) and a manufacturing method thereof. Background technique [0002] At present, touch technology has been widely used in display devices of various electronic products, so that users can manipulate the actions of the electronic products by touch. In order to make the electrodes in the touch area difficult to be seen in the touch panel, indium tin oxide (ITO) is usually used to form transparent electrodes. However, as the application of touch panels gradually develops in the direction of large size, the technology using indium tin oxide transparent electrodes has technical problems such as large resistance, slow touch response speed, multiple process steps, and high production costs. Therefore, metal mesh sensing electrodes were developed ...

AI Technical Summary

Problems solved by technology

However, the metal grid of the touch panel in the prior art must cooperate well with the thin film transistor array of the display panel to reduce the occurrence of interference fringes. The angle needs to be carefully designed, resulting in design difficulties, and the visibility is easily reduced due to the design error of the metal grid pattern

On the other hand, if the random pattern design is used to solve the interference fringe problem, there may be uneven brightness due to the different sizes and uneven distribution of the mesh design opening ratio

When multiple random grid blocks are combined with each other, at the intersection of their interfaces, the positions of the nodes may change randomly, making it difficult to stitch random patterns or produce interference patterns, etc.

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