Keyboard device and manufacturing method thereof

Abstract

A keyboard device includes a support plate, a circuit assembly, and a reset member. The circuit assembly is disposed on the support plate and includes at least one conductive line, a conductive contact, and an insulating structure. The insulating structure at least separates the conductive line from the conductive contact. The reset member is located on the circuit assembly and configured to press the circuit assembly, causing electrical contact between the conductive line and the conductive contact. At least one of the conductive line and the conductive contact is at least partially fixed to a surface of the support plate.

Claims

1. A keyboard device, comprising: a support plate; a circuit assembly disposed on the support plate and including: at least one conductive line; a conductive contact; and an insulating structure at least separating the at least one conductive line from the conductive contact; and a reset member located on the circuit assembly and configured to press the circuit assembly, causing the at least one conductive line to make electrical contact with the conductive contact, wherein at least one of the at least one conductive line and the conductive contact is at least partially fixed to a surface of the support plate, wherein the at least one conductive line is fixed to the surface of the support plate, the insulating structure includes an insulating covering layer covering the side of the at least one conductive line away from the support plate, and the reset member is disposed on the side of the insulating covering layer away from the support plate, wherein the at least one conductive line includes: a first conductive line fixed to the surface of the support plate; and a second conductive line fixed to the surface of the support plate. The insulating structure further includes an insulating block that partially covers the first conductive line, and the second conductive line crosses the first conductive line via the insulating block. The insulating cover has a conductive area that partially exposes the first conductive line and the second conductive line, and the conductive contact point is configured to electrically contact the first conductive line and the second conductive line via the conductive area to electrically conduct the first conductive line and the second conductive line.

2. The keyboard device as claimed in claim 1, wherein the reset member is an elastic dome, the elastic dome including a connected foot and a trigger portion, the elastic dome standing on the insulating cover layer with the foot, the trigger portion being located above the conductive area, the conductive contact point being disposed on the side of the trigger portion facing the insulating cover layer, and the foot being configured to deform to move the trigger portion toward the conductive area.

3. The keyboard device as claimed in claim 2, wherein the foot is annular and completely surrounds the conduction area, and the resilient dome has a through hole located between the foot and the trigger portion.

4. The keyboard device as claimed in claim 1, further comprising an insulating sheet covering the insulating cover layer, the conductive contact being fixed on a surface of the insulating sheet facing the insulating cover layer and opposite to the conductive area, the reset member being an elastic dome disposed on the side of the insulating sheet away from the insulating cover layer and configured to deform and press the insulating sheet, causing the conductive contact to move toward the conductive area.

5. The keyboard device as claimed in claim 1, further comprising an electrical output unit electrically connected to the first conductive line and the second conductive line, and extending away from the support plate.

6. The keyboard device as claimed in claim 1, wherein one edge of the support plate protrudes outward to form an extension, and the first conductive line and the second conductive line extend to the extension.

7. The keyboard device as claimed in claim 1, wherein the support plate comprises: a metal substrate; and an insulating layer disposed on the metal substrate, wherein the surface of the support plate is the surface of the insulating layer away from the metal substrate.

8. A keyboard device comprising: a support plate; a circuit assembly disposed on the support plate and including: at least one conductive line; a conductive contact; and an insulating structure at least separating the at least one conductive line from the conductive contact; a reset member located on the circuit assembly and configured to press the circuit assembly, causing the at least one conductive line to make electrical contact with the conductive contact, wherein at least one of the at least one conductive line and the conductive contact is at least partially fixed to a surface of the support plate; and an insulating sheet disposed between the circuit assembly and the reset member, wherein the conductive contact is fixed to the surface of the support plate, and the at least one conductive line is fixed to a surface of the insulating sheet facing the support plate.

9. The keyboard device as claimed in claim 8, wherein the insulating structure includes an insulating cover layer covering the surface of the support plate and has a conductive area exposing the conductive contact point.

10. The keyboard device of claim 9, wherein the at least one conductive line comprises: a first conductive line fixed to the surface of the insulating sheet; and a second conductive line fixed to the surface of the insulating sheet, wherein the insulating structure further comprises an insulating block partially covering the first conductive line, the second conductive line crossing the first conductive line via the insulating block, wherein the first conductive line and the second conductive line are configured to electrically contact the conductive contact point via the conductive region to electrically conduct the first conductive line and the second conductive line.

11. The keyboard device as claimed in claim 10, further comprising an electrical output unit electrically connected to the first conductive line and the second conductive line, and extending away from the insulating sheet.

12. The keyboard device as claimed in claim 10, wherein one edge of the insulating sheet protrudes outward to form an extension, and the first conductive line and the second conductive line extend to the extension.

13. A keyboard device, comprising: a support plate; a circuit assembly disposed on the support plate and including: at least one conductive line; a conductive contact; and an insulating structure at least separating the at least one conductive line from the conductive contact; a reset member located on the circuit assembly and configured to press the circuit assembly, causing the at least one conductive line to make electrical contact with the conductive contact; and an insulating sheet disposed between the circuit assembly and the reset member, wherein the conductive contact is fixed to a surface of the insulating sheet facing the support plate, wherein at least one of the at least one conductive line and the conductive contact is at least partially fixed to a surface of the support plate, wherein the at least one conductive line includes: a first conductive line fixed to the surface of the support plate; and a second conductive line fixed to the surface of the insulating sheet and connected to the conductive contact. The insulating structure includes an insulating cover layer covering the side of the first conductive line away from the support plate, and has a conductive area that partially exposes the first conductive line. The conductive contact point is configured to electrically contact the first conductive line via the conductive area to electrically connect the first conductive line and the second conductive line.

14. A method of manufacturing a keyboard device, comprising: printing a conductive line on a surface of a support plate; covering the conductive line with an insulating covering layer; stamping the support plate to form a mechanism hole and a protrusion located at the edge of the mechanism hole; bending the protrusion to form a hook; partially covering an insulating block on the conductive line; and printing another conductive line on the surface of the support plate, wherein the other conductive line crosses the conductive line via the insulating block, wherein the insulating covering layer further covers the other conductive line and has a conductive area that partially exposes the conductive line and the other conductive line.

15. The method of manufacturing a keyboard device as claimed in claim 14, further comprising: printing a conductive contact on an insulating sheet; and covering the insulating sheet on the insulating cover layer such that the conductive contact is opposite to the conductive area.

16. A method of manufacturing a keyboard device, comprising: printing a conductive line on a surface of a support plate; covering the conductive line with an insulating cover layer, wherein the insulating cover layer has a conductive area that partially exposes the conductive line; stamping the support plate to form a mechanism hole and a protrusion located at the edge of the mechanism hole; bending the protrusion to form a hook; printing another conductive line and a conductive contact point connected to it on an insulating sheet; and covering the insulating sheet on the insulating cover layer such that the conductive contact point is opposite to the conductive area.

17. A method of manufacturing a keyboard device, comprising: printing a conductive contact point on a surface of a support plate; covering the surface of the support plate with an insulating cover layer, wherein the insulating cover layer has a conductive area exposing the conductive contact point; stamping the support plate to form a mechanism hole and a protrusion located at the edge of the mechanism hole; bending the protrusion to form a hook; printing at least one conductive line on an insulating sheet; and covering the insulating sheet on the insulating cover layer such that a portion of the at least one conductive line is opposite to the conductive area.

Images