| 摘要 |
PROBLEM TO BE SOLVED: To provide a keyboard device which can prevent operability from degrading even when used in a dark place. SOLUTION: A keyboard device 1 has a plurality of keys K1, K2, etc., where a light emitting body 10 is set on each of the keys K1, K2, etc. For example, the light emitting body are applied to (printed on) the keytops of the keys K1, K2, etc., or a material forming each of the keys K1, K2, etc., is mixed/ dispersed in a solvent, in other words, a material forming each of the keys K1, K2, etc., is dissolved in a solvent. COPYRIGHT: (C)2004,JPO
|
