Patent ID: 7872950

Claim:
A time display device comprising: a dial plate; a plurality of markers set on the dial plate to indicate time, the plurality of markers comprising markers for hours and minutes; a clock unit configured to send a first time information when an hour has elapsed, and a second time information when a minute has elapsed; a light source set in center of the dial plate, and configured to emit visible light to an hour marker; a plurality of reflectors each aligned with one of the hour markers and the light source, and configured to reflect the light from the light source; a first stepper motor configured to drive the light source to rotate; a second stepper motor group configured to drive the reflectors to rotate; and a processing unit configured to control the first stepper motor to drive the light source to rotate according to the first time information, and configured to control the second stepper motor group to drive the reflectors to rotate according to the second time information, wherein the emitted light of the light source being emitted to a corresponding reflector represents as an hour hand, and the reflected light by the reflector pointing to a corresponding minute marker represents as an minute hand.