Illuminating device, illuminating guidance system and illuminating guidance method

1. An illuminating device for guiding a vehicle in a parking lot, the illuminating device comprising:

a detector configured to detect the vehicle entering the parking lot to generate a vehicle entrance information;

a sensor configured to detect at least one vacant parking space of the parking lot to generate a vacant parking space information;

a LED light board having a plurality of light emitting diodes, each of the plurality of light emitting diode being provided with at least one of a guidance light and an illumination light, wherein the illumination light and the guidance light have different luminance intensity values, the plurality of light emitting diodes are arranged in an array so as to provide at least one of a guidance light pattern and an illumination light pattern, the guidance light pattern is at least formed by the guidance light emitted from the plurality of light emitting diodes, and the illumination light pattern is at least formed by the illumination light emitted from the plurality of light emitting diodes; and

a controller coupled to the detector, the sensor and the LED light board, wherein the controller receives the vehicle entrance information, plans a guidance path according to the vacant parking space information, and controls the LED light board to provide the guidance light pattern indicating the guidance path, wherein the vehicle is guided to the vacant parking space according to the guidance light pattern.

2. The illuminating device according to claim 1 , wherein when the sensor does not detect the vehicle entering the parking lot, the controller controls the LED light board to provide the illumination light.

3. The illuminating device according to claim 1 , wherein when the sensor detects the vehicle entering the parking lot, the controller plans the guidance path according to the vacant parking space information, the LED light board simultaneously provides an illuminating guidance light pattern having the guidance light pattern, wherein the illuminating guidance light pattern is formed by the guidance light and the illumination light and the vehicle is guided to the vacant parking space according to the illuminating guidance light pattern.

4. The illuminating device according to claim 1 , wherein the guidance path comprises a first guidance location and a second guidance location, and the detector further detects a location of the vehicle,

wherein when the detector detects that the vehicle is leaving the first guidance location toward the second guidance location, the controller switches the guidance light projected on the first guidance location to the lamination light, and

when the detector detects that the vehicle is leaving from the second guidance location, the controller switches the guidance light projected on the second guidance location to the lamination light.

5. The illuminating device according to claim 1 , wherein the guidance path comprises a first guidance location and a second guidance location, and the detector further detects a location of the vehicle,

wherein when the detector detects that the vehicle is located at the first guidance location, the controller controls the light-emitted diodes to provide the guidance light projected on the first guidance location, and

when the detector detects that the vehicle is located at the second guidance location, the controller controls the light-emitted diodes to provide the guidance light projected on the second guidance location.

6. The illuminating device according to claim 1 , wherein the guidance path comprises a first guidance location and a second guidance location,

when the detector detects that the vehicle approaches the first guidance location, the controller controls the light-emitted diodes to provide the guidance light projected on the first guidance location,

when the detector detects that the vehicle is leaving from the first guidance location, the controller switches the guidance light projected on the first guidance location to the illumination light, and

when the detector detects that the vehicle approaches the second guidance location, the controller controls the light-emitted diodes to provide the guidance light projected on the second guidance location.

7. The illuminating device according to claim 1 , wherein when the sensor detects that the vehicle enters the vacant parking space, the controller controls the LED light board to provide the illumination light.

8. The illuminating device according to claim 1 , wherein the controller controls a part of the light emitting diodes of the LED light board to provide the guidance light, such that the LED light board provides the guidance light pattern.

9. The illuminating device according to claim 1 , wherein the LED light board is formed of a dot-matrix display, the guidance light pattern is performed by the dot-matrix display.

10. An illuminating guidance system, suitable for guiding a vehicle in a parking lot, the illuminating guidance system comprising:

a first illuminating device, comprising:

a detector configured to detect the vehicle entering the parking lot to generate a vehicle entrance information;

a sensor configured to detect at least one vacant parking space of the parking lot to generate a vacant parking space information;

a first LED light board having a plurality of first light emitting diodes, each of the plurality of first light emitting diodes being provided with at least one of a guidance light and an illumination light, wherein the illumination light and the guidance light have different luminance intensity values, the plurality of first light emitting diodes are arranged in an array so as to provide at least one of a guidance light pattern and an illumination light pattern, the guidance light pattern is at least formed by the guidance light emitted from the plurality of first light emitting diodes, and the illumination light pattern is at least formed by the illumination light emitted from the plurality of first light emitting diodes; and

a controller coupled to the detector, the sensor and the first LED light board, the controller receiving the vehicle entrance information, planning a guidance path according to the vacant parking space information and controlling the first LED light board to provide the guidance light patters indicating the guidance path, wherein the vehicle is guided to the vacant parking space according to the guidance light pattern; and

a second illuminating device comprising a second LED light board, wherein the second illuminating device and the first illuminating device communicate with each other through a wireless protocol.

11. The illuminating guidance system according to claim 10 , wherein the first LED light board of the first illuminating device and the second LED light board of the second illuminating device are provided with the guidance light and the illumination light in the parking lot.

12. An illuminating guidance method, suitable for a parking lot, the method comprising:

generating a vehicle entrance information when a detector detects a vehicle entering the parking lot;

generating a vacant parking space information when a sensor senses at least one vacant parking space of the parking lot;

providing at least one of a guidance light pattern and an illumination light pattern by a plurality of light emitting diodes arranged in an array, wherein the guidance light pattern is at least formed by the guidance light emitted from the plurality of light emitting diodes, and the illumination light pattern is at least formed by the illumination light emitted from the plurality of light emitting diodes;

receiving the vehicle entrance information and the vacant parking space information to plan a guidance path by a controller; and

controlling a LED light board to provide the guidance light pattern indicating the guidance path by the controller, thereby guiding the vehicle to the vacant parking space according to the guidance light pattern.