Patent ID: 8979262
Filing Date: 2015-03-17
Classification: G02B,G02C

Abstract:
1. A semi-finished blank for a varifocal lens, comprising: a first substrate; a first transparent conductive film formed on a front face of said first substrate; a second substrate that is opposite to said first substrate; a second transparent conductive film formed on a back face of said second substrate; and a varifocal portion disposed between said front face of said first substrate and said back face of said second substrate; wherein at least one of said first transparent conductive film and said second transparent conductive film comprises a first region of transparent conductive film that includes an area opposite to said varifocal portion and a second region of transparent conductive film that is electrically insulated from said first region of transparent conductive film, and both the area of the first region of transparent conductive film opposite to said varifocal portion and the second region of transparent conductive film are a part of one of said first transparent conductive film and said second transparent conductive film.