An array assembly of a photoelectric touch panel is characterized in that each of at least a light emitting array and a light receiving array is formed in an integral shape, and the substrate of each array is molded by flexible material, whereby the work of molding and assembling can be simplified....http://www.google.fr/patents/US4737632?utm_source=gb-gplus-shareBrevet US4737632 - Array assembly of photoelectric touch panel with bent sidewalls
Array assembly of photoelectric touch panel with bent sidewalls