| 摘要 |
PURPOSE: A bright keyboard is provided to emit light by enabling a user to turn on a light switch unit by installing the light switch at the side of a keyboard. CONSTITUTION: A light switch is installed at the side of a keyboard. Light is emitted when a user turns on the light switch. The light is not emitted from the light switch in day time. The light emitted from the light switch is used for night time. The user is able to use a computer in a dark place using the light emitted from the light switch.
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