Backlight module of keyboard device

TWM687561UActive Publication Date: 2026-09-11CHICONY ELECTRONICS CO LTD
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Patent Information

Application Number
TW115205731
Authority / Receiving Office
TW · TW
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2026-06-22
Publication Date
2026-09-11
Estimated Expiration
2036-06-21

Smart Images

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Abstract

A backlight module for a keyboard device includes a keyboard circuit board and a light-emitting circuit board. The keyboard circuit board includes a first body, a first transmission line, and a connection interface. The first transmission line is disposed on the first body and has a first end, which is electrically connected to the connection interface. The light-emitting circuit board includes a second body, a second transmission line, and a light-emitting element. The second transmission line is electrically connected to the light-emitting element and has a second end, which is electrically connected to the connection interface.
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Claims

1. A backlight module for a keyboard device, comprising: A keyboard circuit board includes a first body, a first transmission line and a connection interface, the first transmission line being disposed on the first body and having a first end, the first end being electrically connected to the connection interface; and a light-emitting circuit board includes a second body, a second transmission line and a light-emitting element, the second transmission line being electrically connected to the light-emitting element and having a second end, the second end being electrically connected to the connection interface.

2. The backlight module of the keyboard device as claimed in claim 1, wherein the connection interface includes a plurality of conductive terminals, and the first end of the first transmission line and the second end of the second transmission line are respectively electrically connected to the conductive terminals.

3. The backlight module of the keyboard device as described in claim 1 further includes a system transmission cable electrically connected to the connection interface.

4. The backlight module of the keyboard device as described in claim 3, wherein the system transmission cable and the connection interface are electrically connected to each other via an anisotropic conductive layer.

5. The backlight module of the keyboard device as described in claim 3, wherein the system transmission cable is soldered to the connection interface.

6. The backlight module of the keyboard device as claimed in claim 1, wherein the keyboard circuit board includes a bridging interface and a bridging wire, the second end of the second transmission line of the light-emitting circuit board is electrically connected to the bridging interface, and the bridging wire is electrically connected between the bridging interface and the connection interface, so that the second transmission line is indirectly connected to the connection interface.

7. The backlight module of the keyboard device as described in claim 6, wherein the keyboard circuit board includes a connector electrically connected to the bridging interface.

8. The backlight module of the keyboard device as claimed in claim 1, wherein the keyboard circuit board includes a system connector electrically connected to the connection interface.

9. The backlight module of the keyboard device as claimed in claim 1, wherein the first body of the keyboard circuit board has a side edge and an extension extending from the side edge, and the connection interface is located on the extension.

10. The backlight module of the keyboard device as claimed in claim 9, wherein the extension has a fixture mounting hole.

11. The backlight module of the keyboard device as described in claim 1 further includes an adapter circuit board electrically connected to the connection interface.

12. The backlight module of the keyboard device as claimed in claim 11, wherein the adapter circuit board includes a plurality of first pins and a plurality of second pins, the first pins being electrically connected to the connection interface, and the arrangement order of the second pins being different from the arrangement order of the first pins.

13. The backlight module of the keyboard device as described in claim 1 further includes a first system transmission cable and a second system transmission cable, the connection interface being selectively connected to the first system transmission cable or the second system transmission cable, and the shape of the first system transmission cable is different from the shape of the second system transmission cable.