Keyboard device

A keyboard device, comprising:

• a key comprising a keycap and a stabilizer bar, wherein the stabilizer bar comprises a transverse bar part and a first hook part, wherein the transverse bar part is pivotally coupled to the keycap, and the first hook part is located at a first end of the transverse bar part;
• a base plate connected with the key, and comprising a first connecting structure, wherein the first connecting structure is protruded upwardly from the base plate and connected with the first hook part of the stabilizer bar;
• and
• a membrane circuit board arranged between the key and the base plate, and comprising a membrane switch corresponding to the key, wherein the membrane circuit board comprises a first film layer and a second film layer, and the first film layer and the second film layer are laminated together through a first gel layer, wherein the second film layer comprises a first extension part, and the first extension part is extended toward the first connecting structure and exposed outside the first film layer,
• wherein a second gel layer is formed on the first extension part, and the first hook part of the stabilizer bar is moved on the second gel layer while the keycap is moved upwardly or downwardly relative to the base plate.