Patent ID: 8231995
Filing Date: 2012-07-31
Classification: A61F,G02F

Abstract:
1. A power unit assembly that supplies power to a flexible liquid crystal eyewear device, comprising: a power unit and a retainer, said power unit comprising: a housing; a battery carried by said housing; a drive circuit carried by said housing and connected to said battery; at least two electrical leads extending from said housing and connected to said drive circuit, wherein said electrical leads are connectable to a flexible electrode layer of said flexible liquid crystal eyewear device; and a state change switch carried by said housing and adapted to control application of power from said at least two electrical leads to the flexible liquid crystal eyewear device; wherein said power unit and said retainer are attachable to said flexible liquid crystal eyewear device so as to connect and to maintain electrical connectivity between said electrical leads and said flexible electrode layer, and wherein said power unit assembly is detachable from said flexible liquid crystal eyewear device.