Patent ID: 11887791
Assignee: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. A key module, comprising:
a bottom plate, comprising a first hole, wherein the first hole comprises a central region and at least one branch region extending from the central region;
a circuit layer, disposed on the bottom plate, comprising a second hole corresponding to the first hole, wherein the circuit layer comprises a triggering switch, and the triggering switch is aligned with the central region of the first hole of the bottom plate;
a key cap, disposed above the circuit layer, covering the first hole and the second hole;
a supporting structure, disposed between the bottom plate and the key cap; and
a backlight assembly, disposed below the bottom plate, comprising a circuit board and at least one light source disposed on the circuit board, wherein the key cap covers the at least one light source, the at least one light source is aligned with the at least one branch region of the first hole of the bottom plate, and light emitted by the at least one light source passes through the first hole and the second hole and is transmitted toward the key cap.