Illuminated keyboard switch structure
AssigneeDarfon Electronics Corp.
InventorsChih-Hsiang Chiang, Liang-Ta Yeh
Life of this patent
Estimating the term…
Abstract
An illuminated keyboard having a key portion, a backlight device, a light-condensing plate, a diffuser, a printed circuit board, and a light source. The key portion includes a seat and a key, and the key is disposed on the seat in a manner such that it is moved upwardly and downwardly. The backlight device is disposed beneath the key portion to illuminate the key portion. The light-condensing plate is disposed between the light guide and the key portion. The diffuser is disposed between the light guide and the key portion. The printed circuit board is disposed between the seat and the backlight device. The light source is disposed on the printed circuit board.
Claims14
An illuminated keyboard comprising:
- a key switch including a seat, a membrane circuit board, a connecting assembly, and a cap, wherein the seat includes a through hole corresponding to the cap, the membrane circuit board is disposed between the seat and the cap, the cap is disposed on the seat by the connecting assembly in a manner such that the cap is moved upwardly and downwardly relative to the seat;
- and
- a backlight device disposed beneath the seat of the key switch to illuminate the key switch via the through hole.
Dependencies are inferred from the claim text.