JP2008061013A - Information display device, illuminator, information display method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To receive and display information transmitted by visible light communication. <P>SOLUTION: An information display device is equipped with: a visible light receiving section for receiving visible light output by visible light communication, converting the visible light into power and outputting it; an information receiving section to be supplied with the power output from the visible light receiving section, for receiving information output by visible light communication; an information control section to be supplied with the power output from the visible light receiving section, for converting the received information into video information; an information display section to be supplied with the power output from the visible light receiving section, for displaying the converted video information; and an illumination cover constituting the visible light receiving section, the information receiving section, the information control section, and the information display section. The illumination cover is equipped with an illumination cover mounting section configured to mount the illumination cover at an arbitrary place for receiving visible light and information output by the visible light communication. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an information display device that receives and displays information transmitted by visible light communication. Moreover, this invention relates to an illuminating device provided with an information display apparatus.

Currently, a liquid crystal display device is generally used as one of information display devices.
Patent Document 1 discloses a technique in which a liquid crystal display device is irradiated from behind with a cold cathode ray tube as a backlight, and a solar cell is disposed in the vicinity of the cold cathode ray tube to receive light from the cold cathode ray tube and generate power. Yes.

However, this Patent Document 1 does not disclose receiving and displaying information transmitted by visible light communication. In addition, it is not disclosed that the lighting cover can be attached to any place in order to improve the reception state of visible light and information.
Japanese Patent Laid-Open No. 2001-142067

  Therefore, the present invention has been made in consideration of the above circumstances, and an object thereof is to receive and display information transmitted by visible light communication. It is another object of the present invention to provide a lighting cover that can be attached to any place in order to improve the reception state of visible light and information.

  An information display device according to the present invention receives visible light output by visible light communication, converts the visible light into electric power and outputs the power, and is supplied with electric power output from the visible light receiving unit An information receiving unit that receives information output by visible light communication; an information control unit that receives power output from the visible light receiving unit and converts the received information into video information; and a visible light receiving unit. An information display unit that is supplied with power output from the unit and displays the converted video information, and a visible light receiving unit, the information receiving unit, the information control unit, and an illumination cover that constitutes the information display unit The lighting cover is configured to include a lighting cover mounting portion configured to be mounted at an arbitrary place in order to receive visible light and information output by the visible light communication.

  The illumination device according to the present invention receives a signal transmitted from outside by visible light communication, outputs visible light and information, receives visible light output from the illumination unit, and receives the visible light. The visible light receiving unit that converts the power into the power, the power output from the visible light receiving unit is supplied, the information receiving unit that receives the information output by visible light communication, and the visible light receiving unit An information control unit that converts the received information into video information, an information display unit that receives the power output from the visible light reception unit and displays the converted video information, A lighting cover that constitutes a visible light receiving unit, the information receiving unit, the information control unit, and the information display unit, and the lighting cover is optional for receiving visible light and information output in the visible light communication. Can be installed in a location It is configured with a light cover mounting portion which is.

  Further, the information display method according to the present invention receives visible light output by visible light communication, converts the visible light into power and outputs the power, and is supplied with power output from the visible light receiving unit. Receiving the information output by visible light communication; supplying power output from the visible light receiving unit; converting the received information into video information; and outputting from the visible light receiving unit Power is supplied and the converted video information is displayed.

  According to the configuration described above, it is possible to receive and display information transmitted by visible light communication. In addition, it is possible to configure the lighting cover to be attachable to an arbitrary place in order to improve the visible light and information reception state.

First, visible light reception will be described.
Visible light reception is a communication technology that uses visible light visible to the human eye. By using blinking of a visible light element such as an LED (Light Emitting Diode) for communication, for example, music information can be transmitted with a spotlight. Moreover, it becomes possible to acquire traffic information from the light of a traffic light.

  As for visible light communication, “The world of visible light communication” (publisher: Industrial Research Co., Ltd., supervision: Masao Nakagawa, editor: visible light communication consortium) has been published. You can also check the description on visible light communication at the following website (http://www.vlcc.net/about.html).

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view showing a configuration of an information display device according to an embodiment of the present invention.
Reference numeral 1 is an illumination cover, reference numeral 2 is a control device, reference numeral 3 is a rechargeable battery, reference numeral 4 is a liquid crystal display unit, reference numeral 5 is a visible light receiving unit (solar cell, etc.), reference numeral 10 is a cover mounting part, reference numeral 11 is illumination and Visible light communication transmitter (LED or the like), reference numeral 12 is an illumination mounting part, and reference numeral 20 is an information receiver.

  The information display device according to the embodiment of the present invention is electrically connected to a visible light communication transmission unit (not shown) via the illumination mounting unit 12 (may be wireless connection). And the information transmitted from the visible light communication transmission part is received, and this information is displayed on the liquid crystal display part 4. FIG.

  The illumination and visible light communication transmitter 11 is configured by, for example, an LED or the like. And the optical information transmitted from the said visible light communication transmission part and the information which concerns on visible light communication are received, and the information which concerns on visible light (light) and visible light communication by blinking a visible light element (LED) ( The following information is output.

  The cover attaching portion 10 is configured to be attachable to an arbitrary place in order to improve the visible light and information reception state. For example, the structure attached with a clip may be sufficient. Here, the illumination cover 1 is configured with a cover attachment portion 10, which is attached to, for example, the illumination and visible light communication transmitter 11.

  The illumination cover 1 includes a control device 2, a rechargeable battery 3, a liquid crystal display unit 4, a visible light receiving unit 5 (described in FIG. 2), an illumination and visible light communication transmitting unit (such as an LED) 11, and an information receiving unit 20. Is configured.

  The visible light receiving unit 5 is composed of, for example, a solar battery. And the visible light output from illumination and the visible light communication transmission part (LED etc.) 11 is received, This visible light is converted into electric power, and it outputs.

The information receiver 20 is supplied with the power output from the visible light receiver 5. And it operate | moves using this electric power and receives the information output by visible light communication.
The information controller (control device) 2 is also supplied with the power output from the visible light receiver 5. The information control unit (control device) 2 is composed of, for example, a CPU. And the information control part (control apparatus) 2 operate | moves using this electric power, converts the received information into video information, and outputs it.

  The power output from the visible light receiving unit 5 is also supplied to the information display unit (liquid crystal display unit) 4. It is desirable that the information display unit (liquid crystal display unit) 4 operates using this power. The information display unit (liquid crystal display unit) 4 displays the video information output from the information control unit (control device) 2.

  That is, here, the illumination cover 1 is constituted by a solar cell or the like, and a visible light receiving unit 5 (described in FIG. 2) that receives visible light, information reception that receives visible light communication transmitted by blinking of visible light, or the like. Unit 20, rechargeable battery 3, liquid crystal display unit 4, information control unit (control device) 2 for controlling visible light receiving unit 5, and information display unit for displaying information. In addition, the illumination cover 1 is configured to be attachable to an arbitrary place in order to receive visible light and information output from the illumination and visible light communication transmission unit (LED or the like) 11.

FIG. 2 is a top view showing the configuration of the information display apparatus according to the embodiment of the present invention.
Here, the visible light receiver 5 is shown.
Here, the visible light receiving unit 5 is provided at the bottom of the illumination cover 1. Moreover, the control device 2, the rechargeable battery 3, the liquid crystal display unit 4, and the information receiving unit 20 are provided on the same bottom. The visible light receiving unit 5 is electrically connected to the control device 2, the rechargeable battery 3, the liquid crystal display unit 4, and the information receiving unit 20, and supplied with electric power output from the visible light receiving unit (solar cell) 5. Is done.

  The power storage unit (rechargeable battery 3) is supplied with a part of the power output from the visible light receiving unit 5 and accumulates it. The electric power stored here is appropriately supplied to the control device 2, the liquid crystal display unit 4, and the information receiving unit 20.

  Here, the visible light receiving unit 5 is configured in a curved shape and provided at the bottom of the illumination cover 1, but can receive visible light output from the illumination and visible light communication transmitting unit (such as LED) 11. If it is a structure, a various deformation | transformation is possible, such as providing in the side part of the illumination cover 1 on a surface, for example.

FIG. 3 is a diagram showing the configuration of an information display apparatus according to another embodiment of the present invention.
Here, the illumination cover 1 is formed on a cylinder. The liquid crystal display unit 4 is provided at the bottom of the cylindrical illumination cover 1 and displays information obtained from the visible light communication on the outside of the illumination cover 1. What is displayed here is time information. Moreover, although the illumination and visible light communication transmission part (LED etc.) 11 are comprised so that bending is possible, the illumination cover 1 which concerns on embodiment of this invention attaches the cover attaching part 10 to the part which is not influenced by this bending part. This makes it possible to improve the reception of visible light and information output from the illumination and visible light communication transmitter (such as LED) 11.

FIG. 4 is a diagram showing the configuration of an information display device according to another embodiment of the present invention.
Here, the illumination cover 1 is configured on a cone. The liquid crystal display unit 4 is provided at the bottom of the conical lighting cover 1 and displays information obtained from the visible light communication on the outside of the lighting cover 1. What is displayed here is weather information. Also here, the visible light receiver 5 is configured in a curved shape and is provided at the bottom of the illumination cover 1 (not shown). However, in the same manner as described above, various modifications such as being provided on the surface of the side of the illumination cover 1 are possible as long as the configuration can receive visible light output from the illumination and visible light communication transmitter (such as LED) 11. Is possible.

  By configuring as described above, in the embodiment of the present invention, it is possible to receive and display information transmitted by visible light communication. In addition, it is possible to configure the lighting cover to be attachable to an arbitrary place in order to improve the visible light and information reception state.

  Note that the present invention is not limited to the above-described embodiment as it is, and various modifications can be made to the constituent elements without departing from the spirit of the invention at the implementation stage.

The perspective view which shows the structure of the information display apparatus which concerns on embodiment of this invention. The top view which shows the structure of the information display apparatus which concerns on embodiment of this invention. The figure which shows the structure of the information display apparatus which concerns on other embodiment of this invention. The figure which shows the structure of the information display apparatus which concerns on other embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Lighting cover, 2 ... Control apparatus, 3 ... Rechargeable battery, 4 ... Liquid crystal display part, 5 ... Visible light receiving part (solar cell etc.), 10 ... Cover attaching part, 11 ... Illumination and visible light communication transmission part (LED Etc.), 12 ... light mounting part, 20 ... information receiving part.

Claims (4)

In an information display device that receives information transmitted by visible light communication and displays the received information,
A visible light receiving unit that receives visible light output by visible light communication, converts the visible light into electric power, and outputs the electric power;
An information receiving unit that receives power output from the visible light receiving unit and receives information output by visible light communication;
An information control unit that is supplied with power output from the visible light receiving unit and converts the received information into video information;
An electric power output from the visible light receiving unit, an information display unit for displaying the converted video information;
The illumination cover comprises the visible light receiving unit, the information receiving unit, the information control unit, and the information display unit, and the illumination cover is optional for receiving visible light and information output by the visible light communication. An information display device comprising an illumination cover attachment portion configured to be attachable to the place. In the lighting device that receives information transmitted by visible light communication and displays the received information,
An illumination unit that receives a signal transmitted from the outside by visible light communication and outputs visible light and information;
A visible light receiving unit that receives visible light output from the illumination unit, converts the visible light into electric power, and outputs the electric power;
An information receiving unit that receives power output from the visible light receiving unit and receives information output by visible light communication;
An information control unit that is supplied with power output from the visible light receiving unit and converts the received information into video information;
An electric power output from the visible light receiving unit, an information display unit for displaying the converted video information;
The illumination cover comprises the visible light receiving unit, the information receiving unit, the information control unit, and the information display unit, and the illumination cover is optional for receiving visible light and information output by the visible light communication. An illumination device comprising an illumination cover attachment portion configured to be attachable to the place.   The information display device according to claim 1 or the illumination device according to claim 2, wherein the illumination cover further includes a power storage unit for storing a part of the electric power output from the visible light receiving unit. . In an information display method for receiving information transmitted by visible light communication and displaying the received information,
Receiving visible light output by visible light communication, converting the visible light into electric power and outputting; and
Receiving power outputted from the visible light receiving unit and receiving information outputted by visible light communication; and
Power supplied from the visible light receiving unit is supplied, and the received information is converted into video information;
An information display method comprising: supplying power output from the visible light receiving unit and displaying the converted video information.

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