JP2005071870A5

JP2005071870A5 -

Info

Publication number: JP2005071870A5
Application number: JP2003301836A
Authority: JP
Filing date: 2003-08-26
Publication date: 2005-10-06
Anticipated expiration: 2023-08-26

Claims

A plurality of optical fibers constituting at least two optical fiber groups;
A plurality of semiconductor light emitting elements;
A plurality of optical connectors provided in each of the plurality of semiconductor light emitting elements, and optically connecting one end of the plurality of optical fibers and the plurality of semiconductor light emitting elements, respectively;
A controller that is electrically connected to the plurality of semiconductor light emitting elements and controls a light emission state of each of the plurality of semiconductor light emitting elements;
The light distribution unit, wherein the at least two optical fiber groups extend to different illumination positions.

The light distribution unit according to claim 1, further comprising a battery that is electrically connected to the control unit and supplies a power supply voltage for driving the plurality of semiconductor light emitting elements to the control unit.

2. The converter according to claim 1, further comprising a conversion unit that is electrically connected to the control unit, converts an AC power source supplied from the outside into a DC power source, and supplies the DC power source to the control unit. Light distribution unit.

A storage battery that is electrically connected to the control unit and supplies a power supply voltage for driving the plurality of semiconductor light emitting elements to the control unit;
The light distribution unit according to claim 1, further comprising: a solar battery that is electrically connected to the storage battery and charges the storage battery.

And a communication unit that is electrically connected to the control unit, receives an instruction signal for instructing a light emission state of the plurality of semiconductor light emitting elements from the outside, and provides the instruction signal to the control unit. The light distribution unit according to any one of claims 1 to 4.

The light distribution unit according to claim 1, further comprising a cooling device that cools the plurality of semiconductor light emitting elements.

The light distribution unit according to any one of claims 1 to 5, further comprising at least one of a water heater and a heat accumulator using heat generated from the plurality of semiconductor light emitting elements.

A substrate on which the plurality of semiconductor light emitting elements are mounted;
The light distribution unit according to claim 1, further comprising: at least one slot that detachably holds the substrate.

The control unit is
A memory storing a program for controlling a light emission state of the plurality of semiconductor light emitting elements;
The light distribution unit according to claim 1, further comprising: a CPU that reads the program from the memory and executes the program.

The light distribution unit according to claim 9, wherein the control unit time-controls the light emission amount of each of the plurality of semiconductor light emitting elements.

The light distribution unit according to claim 1, further comprising recording means for recording operation histories of the plurality of semiconductor light emitting elements.

The light distribution unit according to any one of claims 1 to 11, further comprising an output terminal for outputting operation history data of the plurality of semiconductor light emitting elements to the outside.

It is mounted in a vehicle, The light distribution unit as described in any one of Claims 1-12 characterized by the above-mentioned.

The light distribution unit according to any one of claims 1 to 13, further comprising at least one of a color filter and a light diffusion filter optically coupled to the other end of the optical fiber.

The light distribution unit according to claim 1, wherein the plurality of semiconductor light emitting elements are blue LEDs or ultraviolet LEDs.

The light distribution unit according to any one of claims 1 to 14, wherein the plurality of semiconductor light emitting elements are blue laser diodes or ultraviolet laser diodes.

The phosphor further optically coupled to the other end of the optical fiber and excited by blue light or ultraviolet light to emit visible light having a longer wavelength than the blue light or ultraviolet light. The light distribution unit according to 15 or 16 .

It is used with the light distribution unit as described in any one of Claims 1-14, It is an illumination unit arrange | positioned in the said illumination position,
An illumination unit comprising: a holding unit that holds the other end of the optical fiber included in the optical fiber group.

An illumination unit that is used together with the light distribution unit according to claim 15 or 16 and is disposed at the illumination position,
A holding unit for holding the other end of the optical fiber included in the optical fiber group;
An illumination unit further comprising a phosphor optically coupled to the other end of the optical fiber and excited by blue light or ultraviolet light to emit visible light having a longer wavelength than the blue light or ultraviolet light. .

Lighting unit according to claim 18 or 19, characterized in that it further comprises at least one of the other end and the color filter and the light diffusion filter that is optically coupled to the optical fiber.

The illumination unit according to any one of claims 18 to 20 , further comprising at least one of a light reflecting unit and a lens optically coupled to the other end of the optical fiber.

The lighting unit according to any one of claims 18 to 21 , which is mounted on a vehicle.

The light distribution unit according to any one of claims 1 to 17 ,
The illumination system according to any one of claims 18 to 22 , comprising at least two illumination units arranged at different illumination positions from each other.

Mounted on the vehicle,
24. The illumination system according to claim 23 , wherein two of the at least two illumination units are arranged as headlights.

The lighting system according to claim 23 or 24 , wherein some of the at least two lighting units are arranged as at least one of a room lamp and a tail lamp.