JPH0329202A - Advertizing device - Google Patents

Abstract

PURPOSE:To make uniform the luminousity in an advertizing medium end make thin the whole size by limiting the area of inclination angle of side of groove formed on a transparent board. CONSTITUTION:A plurality of grooves 1b are formed on a face 1a of a transpartent board 1. The degree of inclination angle thetaa, thetab of the groove 1b with respect to each inclining plane 1c, 1d facing a light source 2 is set so that the faces 1c, 1d reflect all light beams (e), (b) incident to the face 1a parallely, and the beams are not all reflected against another face 1e. It is thus possible to uniformalize the luminousity in an advertizing medium 5 and make the whole size thin.

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to an advertising device that illuminates a film, paper, or flat advertising medium so that the content displayed on the advertising medium can be clearly seen. It is.

[Prior art]

Conventionally, advertising devices include a flat transparent plate, an advertising medium placed on one side of the transparent plate, and one or more light sources placed on the side of the transparent plate where the advertising medium is not placed. It is known that the device is equipped with the following.

However, this advertising device has the disadvantage that the advertising medium has large illuminance unevenness and is thick as a whole.

〔the purpose〕

SUMMARY OF THE INVENTION An object of the present invention is to provide an advertising device that can make the illuminance of an advertising medium uniform and that can be made thin as a whole.

[Structure]

One of the present inventions is a single transparent plate or a plurality of laminated transparent plates each having a plurality of grooves each having two inclined planes formed on one surface, and one end or both 1#III ends of the transparent plate. a light source disposed near the transparent plate, and an advertising medium disposed on the side of the transparent plate where the groove is not formed, the transparent plate having an inclined plane facing the light source in the groove of the transparent plate. The size of the angle of inclination with respect to the surface is determined by the fact that this inclined plane totally reflects the light from the light source that is incident on the transparent plate parallel to this surface.
In addition, the transparent plate is characterized in that the totally reflected light is set within a range where it is not totally reflected on other surfaces of the transparent plate.

Another aspect of the present invention includes a single transparent plate or a plurality of layered transparent plates in which a plurality of grooves each having two inclined planes are formed on one surface, and one end or both ends of the transparent plate. a light source placed near the transparent plate, a reflecting plate or a reflecting mirror placed on the side of the transparent plate where the grooves are formed, and an advertising medium placed on the side of the transparent plate where the grooves are not formed. The angle of inclination of the inclined plane facing the light source in the groove of the transparent plate with respect to the surface of the transparent plate is such that the inclined plane absorbs light from the light source that is incident on the transparent plate parallel to this plane. It is characterized by being totally reflected and set within a range where this totally reflected light is not totally reflected by other surfaces of the transparent plate.

〔Example〕

Next, an embodiment of the advertising device of the present invention will be described in detail.

In FIG. 1, reference numeral 1 indicates a flat transparent plate.

This transparent plate 1 is made of acrylic, glass, or the like. Light sources 2 are arranged near both ends of the transparent plate 10. These sources 2 are composed of a halogen lamp or the like in addition to the illustrated fluorescent lamp. A reflecting tube 3 is arranged around the light bulb 2 to reflect light from the light source 2 toward the transparent plate 1.

As shown in FIG. 2, a plurality of grooves 1b are formed on one surface 1a of the transparent plate 1. As shown in FIG. These groove portions 1b have two slopes as shown in FIG.
Consists of d. The inclination angle θ of these grooves 1b with respect to the transparent plate 10 surface 1a of the inclined planes 1c and ld facing the light source 2
The sizes of a and θb are determined by the fact that the inclined planes 1c and ld totally reflect the lights a and b from the light source 2 that are incident on the transparent plate 1 parallel to this surface 1a, and that the totally reflected light is reflected by the transparent plate 1. It is set within a range where it is likely to be totally reflected on the other surface le of l.

A reflecting plate 4 is disposed on the surface 1a of the transparent plate 1 on which the groove lb is formed. The color of this reflective plate 4 is determined depending on the application. A reflecting mirror may be arranged instead of this reflecting plate 40.

As shown in FIG. 1, an advertising medium 5 is placed on the surface 1e of the transparent plate 1 on which the groove 1b is not formed. The advertising medium 5 is made of film, paper, or a flat plate, and at least a portion thereof transmits light. This advertising medium 5 is locked or adhered to the surface 1e of the transparent plate 1 by a locking means or an adhesive (not shown).

FIG. 4 shows an embodiment in which a plurality of transparent plates 1 are stacked. By laminating multiple transparent plates lfr,
Since the area of the inclined planes lc and ld that reflect the light from the light source 2 can be increased, and the degree of scattering of the light from the light source 2 can be increased, the light from the transparent plate 1 can be transmitted. The illuminance of the surface 1e can be increased,
Moreover, the illuminance can be made more uniform. A reflecting plate 4 is disposed on the surface 1a of the transparent plate 1 on which the groove 1b is formed. An advertising medium 5 is placed on the side of the surface 1e of the transparent plate 1.

In the advertising device shown in FIGS. 1 to 4, the light #2 may be placed only near one end of the transparent plate l.

〔effect〕

According to the present invention, the illuminance in the advertising medium can be made uniform, and since the light source is arranged near the side edge of the transparent plate, the overall thickness can be reduced.

[Brief explanation of drawings]

FIG. 1 is a plan view showing an embodiment of the advertising device of the present invention, FIG. 2 is a rear view showing the main parts of the advertising device, and FIG. 3 is an enlarged view of a part of the transparent plate of the advertising device. This figure and FIG. 4 are plan views showing other embodiments of the above advertising device. 1. ・Transparent plate, 1b. ・Groove, LC, LD・Slanted plane, 2. ・Light source, 4. ・Reflector, 5. ・Advertising medium.

Claims (2)

[Claims] (1) A single transparent plate or a plurality of laminated transparent plates each having a plurality of grooves made of two inclined planes formed on one side, and a transparent plate placed near one or both ends of the transparent plate. comprising a light source and an advertising medium disposed on the side of the transparent plate on which the groove is not formed, the angle of inclination of the inclined plane facing the light source of the groove of the transparent plate with respect to the surface of the transparent plate; That is, this inclined plane totally reflects the light from the light source that is incident on the transparent plate parallel to this plane, and it is set in a range where this totally reflected light is not totally reflected on other planes of the transparent plate. An advertising device featuring: (2) A single transparent plate or a plurality of laminated transparent plates each having a plurality of grooves made of two inclined planes formed on one surface, and a transparent plate placed near one or both ends of the transparent plate. comprising a light source, a reflecting plate or a reflecting mirror placed on the side of the transparent plate where the grooves are formed, and an advertising medium placed on the side of the transparent plate where the grooves are not formed; The angle of inclination of the inclined plane facing the light source in the groove of the transparent plate with respect to the surface of the transparent plate is such that the inclined plane totally reflects the light from the light source that is incident on the transparent plate parallel to this plane, and An advertising device characterized in that the totally reflected light is set within a range where it is not totally reflected on other surfaces of the transparent plate.