Patent ID: 8022324

Claim:
A method of manufacturing a keypad structure having a transparent keycap, comprising: forming a keycap component, comprising: providing a first transparent resin layer comprising a first surface and a second surface, forming a first metal pattern layer on the first surface of the first transparent resin layer, and forming a keycap layer covering the first metal pattern layer and on the first surface of the first transparent resin layer; forming an overprint component, comprising: providing a second transparent resin layer comprising a third surface and a fourth surface, forming a first print layer covering the fourth surface, a pattern of the first print layer complementing a pattern of the first metal pattern layer, and forming a second print layer covering the first print layer, wherein the pattern of the first print layer and the pattern of the first metal pattern layer are skeleton pattern and hollowed pattern respectively; providing a light guide plate comprising a fifth surface and a sixth surface; and bonding the keycap component, the overprint component, and the light guide plate for assembly, wherein the second surface of the first transparent resin layer and the third surface of the second transparent resin layer face each other, and the fourth surface of the second transparent resin layer and the fifth surface of the light guide plate face each other.