OPTICALLY TRANSPARENT ELECTRODE

摘要

A technical object of the present invention is to provide an optically transparent electrode which has a high total light transmittance, hardly produces moire, and has an excellent stability of electrical resistance values, and to achieve the object, provided is an optically transparent electrode having, on an optically transparent base material, optically transparent conductive layers having a sensor part electrically connected to a terminal part and a dummy part not electrically connected to the terminal part, the sensor part and the dummy part each having a repetition unit metal pattern of a predetermined shape, the sensor part of one of the optically transparent conductive layers being formed of a plurality of column electrodes extending in a first direction, the column electrodes and the dummy parts being arranged in an alternating manner, the sensor part of the other optically transparent conductive layer being formed of a plurality of column electrodes which extend in a second direction perpendicular to the first direction and are arranged alternately with the dummy parts.

主权项

1. An optically transparent electrode having, on an optically transparent base material, at least two optically transparent conductive layers having a sensor part electrically connected to a terminal part and a dummy part not electrically connected to the terminal part, the sensor part and the dummy part each having a repetition unit metal pattern of a predetermined shape, the sensor part of one of the optically transparent conductive layers being formed of a plurality of column electrodes extending in a first direction, the column electrodes and the dummy parts being arranged in an alternating manner, the sensor part of the other optically transparent conductive layer being formed of a plurality of column electrodes which extend in a second direction perpendicular to the first direction and are arranged alternately with the dummy parts, the optically transparent electrode satisfying all of the following requirements (a) to (c):
k1>j1   (a) (wherein k1 denotes the average length in the first direction of the predetermined unit metal pattern of the column electrodes extending in the first direction of one of the optically transparent conductive layers, and j1 denotes the average length in the second direction of the same predetermined unit metal pattern);
2M=n×j1   (b) (wherein M denotes the average center-to-center distance of the column electrodes extending in the first direction, and n denotes a natural number); and
k2