JP2007298565A - Illuminated display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an illuminated display device capable of providing sufficient amount of light without increasing the capacity of a solar battery and a capacitor. <P>SOLUTION: Since a display body 1 is illuminated by the light emitted from an LED and can also be illuminated by the light emitted from a luminous display section 1a, sufficient amount of light for illuminating the display body 1 can be obtained without increasing the capacity of a solar battery 3 and a secondary battery. Also, since the display section 1a can store the light from the LED, the light storage amount of the display section 1a can be sufficiently secured. A case body 2 is provided on one end side of the plate-like display body 1 so as to be integrated to the display body 1, and the solar battery 3 is provided on the outer face of the case body 2 and, inside the case body 2, the secondary battery, the LED, and a circuit board are provided. Thus, devices in the case body 2 can be integrated to the display body 1 without being exposed to the outside, and the appearance can be improved. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a display with illumination used for, for example, an evacuation guidance sign or various signboards.

Conventionally, as a display device having an illumination function, a display body having a display unit made up of arbitrary figures, characters, etc., a capacitor that charges power generated by a solar cell, and an LED that emits light by power supplied from the capacitor It is known that the display body is illuminated at night or in the dark by irradiating the display body with light from the light emitter (see, for example, Patent Document 1).
JP 2005-24706 A

  In the display device, the storage unit is charged with external light during the daytime, and the light source is caused to emit light with the power of the storage unit during the night, thereby illuminating the display unit without requiring supply of commercial power or replacement of the battery. Can do. However, in order to perform illumination for a long time with a sufficient amount of light, it is necessary to increase the capacity of the solar cell and the capacitor, resulting in an increase in size and cost of the device. In addition, even when the capacity of the solar cell and the capacitor is increased, there is a problem that if the ambient illuminance at the time of charging is low, the amount of stored electricity is insufficient and a sufficient amount of light cannot be obtained.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide an illuminated display capable of obtaining a sufficient amount of light without increasing the capacity of a solar cell and a capacitor. is there.

  In order to achieve the above object, the illuminated display of the present invention has a phosphorescent display unit that displays an arbitrary figure, character, etc., and the display unit stores the light by external light and emits light in the dark. -Shaped display body, a case body provided integrally with the display body on one end side of the display body, a solar cell provided on the outer surface of the case body, a solar battery provided in the case body and generated by the solar battery And a light emitter that is provided in the case and emits light by the power supplied from the capacitor to illuminate the display body.

  Accordingly, the light emitter emits light by the electric power generated by the solar cell, the display portion of the display body emits light by the stored light, and the display body is illuminated by the light emission of the display body and the light emission of the display portion. In addition, since the solar cell is provided on the outer surface of the case body, and the capacitor and the light emitter are provided in the case body, the device in the case body can be integrated with the display body without exposing to the outside.

  According to the illuminated display of the present invention, the display body can be illuminated by the light emission of the light emitter, and can also be illuminated by the light emission of the phosphorescent display unit, so that the capacity of the solar cell and the capacitor need not be increased. Thus, a sufficient amount of light for illuminating the display body can be obtained, and a small size and a low cost can be achieved. In addition, since the display unit can be stored with light from the illuminant, a sufficient amount of light stored in the display unit can be secured, and the illumination effect by the light emission of the display unit can be maintained for a long time. Furthermore, since the device in the case body can be integrated with the display body without exposing the device to the outside, the aesthetic appearance can be improved.

  1 to 8 show an embodiment of the present invention. FIG. 1 is a front perspective view of an illuminated display, FIG. 2 is a rear perspective view, FIG. 3 is a front sectional view, and FIG. FIG. 5 is a block diagram showing the structure thereof, FIG. 6 is a front view showing a method for attaching to the ceiling surface, FIG. 7 is a front view showing the attached state, and FIG. 8 is a method for attaching to the ceiling surface. FIG.

  This display with illumination includes a display body 1 for displaying an arbitrary figure, character, etc., a case body 2 provided on the upper end side of the display body 1, a solar cell 3 that generates power by external light, and a solar cell 3 A secondary battery 4 as a battery for charging the electric power generated by the battery, a plurality of LEDs 5 as light emitters that emit light by the power supplied from the secondary battery 4, and an optical sensor 6 for detecting ambient brightness. The display body 1 and the case body 2 are formed so as to form a square plate shape as a whole.

  The display body 1 includes a pair of a display board 1b having a front surface and a rear surface of the display board 1b each having a phosphorescent display portion 1a formed of an arbitrary figure, character, or the like (for example, a sign for evacuation guidance). It consists of a transparent plate 1c (for example, an acrylic plate). The display unit 1a is made of a known phosphorescent material that absorbs external light and emits light in the dark. For example, the display unit 1a is formed by fixing a granular phosphorescent material on the surface of the display plate 1b by screen printing. Further, a fitting portion 1d that fits to the lower end side of the case body 2 is provided at the upper end portion of each transparent plate 1c, and the fitting portion 1d has dimensions in the front-rear direction and the width direction corresponding to the plate thickness of the case body 2. It is smaller than the other parts.

  The case body 2 is formed in a box shape having an open bottom surface, and a secondary battery 4, each LED 5, and a circuit board 7 are accommodated therein. A fitting portion 1d of the display body 1 is fitted into the lower end opening of the case body 2, and the display body 1 is fixed to the case body 2 by screwing. The upper surface of the case body 2 is provided with attachment holes 2a for attachment to an external structure or the like. One attachment hole 2a is provided at each end in the width direction of the case body 2. Each mounting hole 2a is provided with an insertion portion 2b through which a head portion of a mounting screw can be inserted and a locking portion 2b narrower than the head portion of the screw is provided at the other portion. The screw is locked to the locking portion 2b by moving the head of the screw inserted through the insertion portion 2b to the locking portion 2b side. In this case, the mounting holes 2a are provided such that the locking portions 2b are opposite to each other in the front-rear direction of the case body 2, and each locking portion 2b is disposed at the center of the case body 2 in the front-rear direction. The position of the insertion part 2b is shifted in the front-rear direction.

  The solar cell 3 has a known configuration formed in a panel shape and is attached to the front surface of the case body 2.

  The secondary battery 4 is a well-known rechargeable battery such as a nickel cadmium battery, and is connected to the solar battery 3 via a backflow preventing diode 4a. Further, a charge detection circuit 4b is connected to the secondary battery 4, and a charging lamp 4c and a charge completion lamp 4d are connected to the charge detection circuit 4b. The charging lamp 4c and the charging completion lamp 4d are attached to one end surface in the width direction of the case body 2. When charging is in progress, the charging lamp 4c is lit red, and when charging is completed, the charging completion lamp 4d is lit green. It is like that.

  The respective LEDs 5 are arranged in the case body 2 at intervals in the width direction of the display body 1 so as to irradiate light from one end surface of the transparent plate 1c toward the front surface of the display plate 1b. Each LED 5 is connected to the secondary battery 4 via the first switch 8 and the second switch 9, and can be switched on and off by the first switch 8 or the second switch 9. The first switch 8 is a manual switch such as a slide switch, and is attached to one end surface of the case body 2 in the width direction. In use, the first switch 8 is always turned on. The second switch 9 is composed of an electronic switch such as a switching transistor, and is opened and closed by a switch drive circuit 9a. Note that a fluorescent lamp, an incandescent lamp, or the like can be used instead of the LED 5.

  The optical sensor 6 is a known sensor such as a photoconductive sensor, and is connected to the switch drive circuit 9a. In other words, the switch drive circuit 9a turns on the second switch 9 when the brightness detected by the optical sensor 6 becomes a predetermined brightness or less.

  The illuminated display configured as described above is used by being attached to the ceiling surface 10 of the building as shown in FIGS. 6 and 7, for example. In other words, the mounting holes 2 a of the case body 2 are engaged with the two screws 11 attached to the ceiling surface 10, thereby being attached in a state of being suspended from the ceiling surface 10. At that time, as shown in FIG. 8 (a), the head of each screw 11 is inserted into the insertion portion 2b of each mounting hole 2a by making the case body 2 oblique with respect to the straight line connecting the screws 11. After that, as shown in FIG. 8 (b), the case body 2 is rotated so that both sides in the width direction are displaced in the front-rear direction, and the head of each screw 11 is moved to the locking portion 2b of each mounting hole 2a. Thus, each screw is locked to the periphery of each locking portion 2b.

  When using the display with illumination, the solar battery 3 generates power by light from the outdoors in the daytime, light from the room light, etc., and the power is charged in the secondary battery 4 and the display 1 The display unit 1a is also stored by the light. Here, when the brightness detected by the light sensor 6 becomes equal to or lower than a predetermined brightness at night or when the room light is turned off, the second switch 9 is turned on, each LED 5 emits light, and the display 1 The display unit 1a emits light by the stored light. Thereby, the display body 1 is illuminated by the light emission of each LED 5 and the light emission of the display unit 1a, and can be illuminated without requiring supply of commercial power or battery replacement.

  Thus, according to the display with illumination of the present embodiment, the display body 1 can be illuminated by the light emission of each LED 5 and also by the light emission of the phosphorescent display portion 1a. Even if the capacity of the secondary battery 4 is not increased, a sufficient amount of light for illuminating the display body 1 can be obtained, and the structure can be reduced in size and cost. Moreover, since the display part 1a can be light-emitted also with the light of each LED5, the sufficient light storage amount of the display part 1a can be ensured, and the illumination effect by light emission of the display part 1a can be maintained over a long time. Can do.

  Further, the illuminated display of the present embodiment includes a case body 2 provided so as to be integrated with the display body 1 on one end side of the plate-like display body 1, and the solar cell 3 is provided on the outer surface of the case body 2. Since the secondary battery 4, each LED 5, and the circuit board 7 are provided in the case body 2, the device in the case body 2 can be integrated with the display body 1 without exposing it to the outside. Can be improved. In the present embodiment, the case body 2 is provided on one end side of the display body 1. However, the case body 2 may be provided on the lower end side or the width direction one end side of the display body 1.

  Moreover, since the display body 1 is formed from the display board 1b provided with the display unit 1a on one surface and the pair of transparent plates 1c covering the front and back surfaces of the display board 1b, any figure or character is displayed. While being able to form in the board 1b easily, the display board 1b can be protected by each transparent board 1c, without impairing visibility. In the present embodiment, the display unit 1a is provided on one surface of the display plate 1b. However, the display unit may be provided on both surfaces of the display plate. Moreover, when providing a display part only in one side of a display board, you may make it cover only one side of a display board with a transparent plate.

  Further, the display body 1 and the case body 2 are formed so as to form a single plate as a whole, and the light of each LED 5 arranged on the case body 2 is directed from one end face of the transparent plate 1c toward the display board 1b. Since it is irradiated, it can be handled in the same manner as a signboard or panel, and can be easily installed and stored.

  Further, an attachment hole 2a for attaching to a screw 11 fixed to an external structure is provided on one end face of the case body 2, and an insertion portion 2b through which the head of the screw 11 can be inserted into a part of the attachment hole 2a. At the same time, the other portion is provided with a locking portion 2c that is narrower than the head of the screw 11, and the head of the screw 11 inserted through the insertion portion 2b is moved toward the locking portion 2c, whereby the screw 11 Can be attached and detached without using a tool, and the installation work can be performed very easily. In this case, there is no need to use a dedicated mounting bracket, support member, etc., so that the mounting parts are not exposed and the appearance is not impaired, which is extremely advantageous for installation in a place where aesthetics are important.

  Furthermore, the mounting holes 2a are provided at two places in the width direction of the case body 2, and the mounting holes 2a are formed so that the locking portions 2c are opposite to each other in the front-rear direction of the case body 2. After inserting the head portion of each screw 11 into the insertion portion 2b, the case body 2 is rotated so that both sides in the width direction are displaced in the front-rear opposite direction, and the head portion of each screw 11 is engaged with the engaging portion of each mounting hole 2a. By moving to 2b, each screw 11 can be locked in each mounting hole 2a, so that it can be attached to and detached from each screw 11 very easily, and workability can be further improved.

  In addition, when the ambient brightness detected by the optical sensor 6 falls below a predetermined brightness, the power of the secondary battery 4 is supplied to each LED 5, so that each LED 5 is automatically turned off when the surrounding is bright. Power consumption can be reduced.

  In addition, although what was used as an evacuation guidance sign was shown in the said embodiment, it is not limited to such a use, For example, it can use for the signboard for an outdoor installation, a nameplate, and other display boards.

The front side perspective view of the display with illumination which shows one embodiment of the present invention. Rear perspective view of illuminated display Front sectional view of illuminated display Side view of illuminated display Block diagram showing configuration of illuminated display Front view showing how to attach to the ceiling Front view showing the mounting state on the ceiling Top view showing how to attach to the ceiling

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Display body, 1a ... Display part, 1b ... Display board, 1c ... Transparent board, 2 ... Case body, 2a ... Mounting hole, 2b ... Insertion part, 2c ... Locking part, 3 ... Solar cell, 4 ... Secondary Battery, 5 ... LED, 6 ... light sensor, 9 ... second switch.

Claims (6)

A plate-like display body having a phosphorescent display portion displaying arbitrary figures, characters, etc., and storing the display portion with external light to emit light in the dark,
A case body provided so as to be integrated with the display body on one end side of the display body;
Solar cells provided on the outer surface of the case body;
A battery that is provided in the case body and charges the electric power generated by the solar cell;
A light-emitting display device, comprising: a light-emitting body that is provided in the case body and illuminates the display body by emitting light by power supplied from a capacitor. The illuminated display according to claim 1, wherein the display body is formed of a display plate provided with a display unit on at least one surface and a transparent plate covering at least one surface of the display plate. The display body and the case body are formed so as to form a single plate as a whole,
The illuminated display according to claim 2, wherein the light emitted from the light emitter disposed in the case body is irradiated from one end surface of the transparent plate toward the display plate. An attachment hole for attaching to a screw fixed to an external structure is provided on one end surface of the case body,
An insertion part through which the head of the screw can be inserted is provided in a part of the mounting hole, and a locking part narrower than the head of the screw is provided in the other part, and the head of the screw inserted through the insertion part is provided. The illuminated display according to claim 1, 2, or 3, wherein the screw is locked to the locking portion by moving to the locking portion side. While providing the mounting holes in two places in the width direction of the case body,
5. The illuminated display device according to claim 4, wherein the mounting holes are formed such that the locking portions are opposite to each other in the front-rear direction of the case body. An optical sensor attached to the case body;
6. The switch according to claim 1, further comprising a switch for supplying electric power of the battery to the light emitter when the ambient brightness detected by the optical sensor is equal to or lower than a predetermined brightness. Illuminated display.

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