Patent ID: 11914794
Assignee: LOGITECH EUROPE S.A.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. A keyboard comprising:
a top case including a plurality of holes;
a plurality of key structures wherein each of the plurality of key structures is configured within a corresponding one of the plurality of holes of the top case; and
a bottom case comprised of a transparent material and including:
a plurality of recesses each configured to receive one of a plurality of light emitting diodes (LED);
a plurality of cavities that extend from a top of the bottom case to a bottom of the bottom case and extend linearly and radially from a portion of the bottom case toward an outer edge of the keyboard,
wherein each of the plurality of LEDs is configured to emit light into the bottom case, which operates as a light guide, where the emitted light is directed radially towards and out of the outer edge of the bottom case, due in part to an emission pattern of the corresponding LED and by adjacent cavities of the plurality of cavities; and
wherein the bottom case is coupled to the top case forming an outer housing for the keyboard that encapsulates at least a portion of the plurality of key structures.