Patent ID: 11901137
Assignee: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A key module, comprises:
a base plate, having a first side and a second side opposite to the first side;
a circuit layer disposed on the first side of the base plate;
a circuit board disposed on the second side of the base plate;
a keycap comprising an indication area and a character area, wherein the indication area is smaller than the character area;
a light guide plate;
an indicator light source disposed on an upper surface of the circuit layer and configured to emit an indicating light having a first color; and
a backlight source disposed on the circuit board and configured to emit a backlight having a second color different from the first color toward the light guide plate;
wherein the character area displays the backlight having the second color, the indication area displays the indicating light having the first color at the same time.