OPTICAL TOUCH PANEL INCLUDING VERTICALLY-ARRANGED LIGHT EMITTING ELEMENT AND LIGHT RECEIVING ELEMENT

摘要

The present invention relates to an optical touch panel including light emitting and receiving packages (3X''-a) of a first group and light emitting and receiving packages (3X''-b) of a second group which are provided on a display surface at the sides which are facing each other. Each of light emitting and receiving packages are formed with one light emitting element (31) and one light receiving element (32) vertically arranged on the display surface. The light emitting element of each light emitting and receiving package of the first group faces the light receiving element of one light emitting and receiving package of the second group and the light emitting element of each light emitting and receiving package of the second group faces the light receiving element of the light emitting and receiving package of the first group.