Display device
AssigneeCalsonic Kansei Corporation
InventorsKazuo Arai, Takashi Kubo
Life of this patent
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Abstract
A display device produces a virtual display image based on contents of display information. The device comprises a plurality of light emitting elements arranged in line, and an optical system made of transparent material so as to allow the light outputted from the light emitting elements to enter and exit the optical system. The optical system is rotated by a rotating unit, and a control unit controls lighting-on and light-off of the light emitting elements in synchronization with rotation movement of the optical system and according to the contents to be displayed. A color filter is putted on a surface of the optical system and selectively passes the light in a predetermined wavelength band through the color filter.
Claims20
A display device for producing a virtual display image based on contents of display information, the display device comprising:
- a plurality of light emitting elements which are arranged in line and capable of emitting light;
- an optical system made of transparent material so that the optical system allows the light outputted from the light emitting elements to enter and exit the optical system;
- a rotating unit for rotating the optical system;
- a control unit for controlling lighting-on and light-off of the light emitting elements in synchronization with rotation movement of the optical system and according to the contents of the image information to be displayed;
- and
- a color filter which is putted on a surface of the optical system and selectively passes the light in a predetermined wavelength band through the color filter.
The display device of 1, further wherein
- the optical system has pared surfaces, and wherein
- the color filter is putted on a part of the pared surface of the optical system.
Dependencies are inferred from the claim text.