Patent ID: 11947150
Assignee: DARFON ELECTRONICS CORP.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC F  H

Claim 5:
6. An illuminated keyswitch structure, comprising:
a baseplate having an inner rib configured to define a central hole;
a mask film disposed below the baseplate;
a light guide sheet disposed on one side of the mask film opposite to the baseplate, the light guide sheet having a light source hole;
a reflective layer disposed on one side of the light guide sheet opposite to the mask film, the reflective layer having an opening communicating with the light source hole;
a top glue disposed on a top surface of the light guide sheet and located around the light source hole; and
a bottom glue disposed on a bottom surface of the light guide sheet and located around the light source hole,
wherein in a stacked direction of the baseplate, the mask film, the light guide sheet, and the reflective layer, at least one of the top glue and the bottom glue overlaps the inner rib.