Rotating display device using semiconductor light-emitting element
AssigneeLG Electronics Inc.
InventorsSoobeom Lee, Kwanwoo Park, Jeongin Cheon, Kyungho Lee
Life of this patent
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Abstract
A rotating display device according to an embodiment comprises a fixed module and a rotation module rotatably connected to the fixed module, wherein the fixed module includes a motor for rotationally driving the rotation module, an input unit for receiving image data, and a light-emitting unit for emitting an optical signal corresponding to the image data, and the rotation module includes a light-receiving unit provided on the rotary shaft of the motor to receive the optical signal, and a light source module for outputting the image data received as the optical signal.
Claims19
A rotary display device including a fixed portion and a rotary portion connected to the fixed portion to rotate, wherein:
- the fixed portion includes
- a motor for rotationally driving the rotary portion;
- an input unit for receiving image data;
- and
- a light emitting unit for emitting an optical signal corresponding to the image data,
- the light emitting unit includes:
- a light emitting diode (LED) configured to convert an electrical signal into the optical signal;
- and
- a driver configured to drive the light emitting diode (LED),
- the rotary portion includes
- a light receiving unit provided on a rotary shaft of the motor to receive the optical signal;
- and
- a light source module configured to output the image data received as the optical signal,
- the light receiving unit includes:
- a light receiving element configured to convert the optical signal into an electrical signal;
- and
- an amplifier configured to convert a signal received by the light receiving element, and
- the light emitting diode (LED) is provided on an extension line of the rotary shaft, and is spaced apart from the light receiving element by a predetermined distance to face the light receiving element.
A rotary display device including a fixed portion and a rotary portion connected to the fixed portion to rotate, wherein:
- the fixed portion includes
- a motor for rotationally driving the rotary portion;
- an input unit for receiving image data;
- and
- a light emitting unit provided on a rotary shaft of the motor and emitting an optical signal corresponding to the image data,
- the light emitting unit includes:
- a light emitting diode (LED) configured to convert an electrical signal into the optical signal;
- and
- a driver configured to drive the light emitting diode (LED), the rotary portion includes
- a light receiving unit provided on the rotary shaft of the motor and facing the light emitting unit to receive the optical signal;
- and
- a light source module configured to output the image data received as the optical signal,
- the light receiving unit includes:
- a light receiving element configured to convert the optical signal into an electrical signal;
- and
- an amplifier configured to convert a signal received by the light receiving element, and
- the light emitting diode (LED) is provided on an extension line of the rotary shaft, and is spaced apart from the light receiving element by a predetermined distance to face the light receiving element.
Dependencies are inferred from the claim text.