Illuminated keypad module with limited light leakage
AssigneesLite-On Electronics (Guangzhou) Limited, Lite-On Technology Corporation
InventorsMing-Fu Yen, Chen-Yu Tsai
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Abstract
A keypad module, including a bottom plate, a circuit film, a plurality of barricades, an elastic body, a scissor mechanism and a keycap. The circuit film is disposed on the bottom plate and includes a switch. The barricades are disposed upright on the circuit film and surrounds the switch. The elastic body is disposed on the switch. The scissor mechanism is fixed on the bottom plate and disposed at a position close to the switch on the circuit film. The keycap is fixed on the scissor mechanism and covers the switch, the elastic body, the scissor mechanism and the barricades.
Claims9
A keypad module, comprising:
- a bottom plate;
- a circuit film, disposed on the bottom plate and comprising a switch;
- a barricade, disposed upright on the circuit film and surrounding the switch;
- an elastic body, disposed on the switch;
- a scissor mechanism, fixed on the bottom plate and disposed at a position close to the switch on the circuit film;
- and
- a keycap, fixed on the scissor mechanism and covering the switch, the elastic body, the scissor mechanism and the barricade, wherein the keycap comprises a top cover and a plurality of side walls connected to the top cover, the keycap moves between an initial position and a pressing position, and when the keycap is at the initial position, a distance between the barricade and the top cover is larger than or equal to a distance difference between the initial position and the pressing position.
Dependencies are inferred from the claim text.