JP2004139028A - Lighting device for display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting device for display which facilitates display content changing work by replacing a translucent display panel. <P>SOLUTION: The lighting device for display is so constituted that the end edge part 3a of a lightguide panel 3 is housed and fixed inside a main body case 2 with built-in light source 1 and the light of the light source 1 is guided from the end edge part 3a to perform illumination display through the translucent display panel 4 overlaid and fixed on the lightguide panel 3, and the translucent display panel 4 is freely attachably and detachably overlaid and fixed on the exposed surface of the lightguide panel 3 protruding from an opening 5 formed on the main body case 2. <P>COPYRIGHT: (C)2004,JPO

Description

The present invention relates to a display illuminating device in which light from a light source is introduced from an edge portion of a light guide panel and illuminated and displayed through a translucent display panel laminated and attached to the surface of the light guide panel. Things.

Conventionally, there is known a display illuminating device in which light from a light source is introduced from an edge portion of a light guide panel and illuminated and displayed through a translucent display panel laminated and attached to the surface of the light guide panel. (See JP-A-2002-25313 and JP-A-2002-170411). This type of display lighting device is used as an emergency light, a guide light, or the like, and can perform effective lighting display by efficiently using light from a light source. Further, in this type of display lighting device, generally, a translucent display panel is formed by performing printing for display on the surface thereof, and the translucent display panel and the light guide panel are formed by a frame, a case, or the like. It is integrated and fixed to the body case.
JP 2002-25313 A JP 2002-170411 A

However, in the above-described conventional technique, when the display content is to be changed, the one in which the translucent display panel and the light guide panel are integrated is removed from the main body case, and the translucent display panel and the light guide panel are removed. Must be disassembled from a frame, a case, or the like, and the translucent display panel on which printing for display has been performed needs to be replaced, which has a problem that the operation is troublesome and difficult. SUMMARY OF THE INVENTION The present invention was invented in order to solve all the problems in the conventional technique described above, and an object of the present invention is to provide a display lighting device in which the operation of changing display contents is easy.

In the display lighting device according to the first aspect of the present invention, an edge portion of the light guide panel is housed and fixed inside the main body case in which the light source is built, and light from the light source is introduced from the edge portion to guide the light. A display lighting device adapted to be illuminated and displayed through a translucent display panel laminated and attached to a surface of a panel, wherein the light guide panel is exposed in a state protruding from an opening formed in a main body case. A translucent display panel is detachably laminated and attached to the surface. Therefore, in this case, the edge of the light guide panel is housed and fixed inside the main body case in which the light source is built, and light from the light source is introduced from this edge to be laminated and attached to the surface of the light guide panel. Since the light is displayed through the translucent display panel, the light from the light source in the main body case can be efficiently used to perform an effective light display, and the size of the entire device can be reduced. Can be Moreover, since the translucent display panel is removably laminated and attached to the exposed surface of the light guide panel that protrudes from the opening formed in the main case, the light guide panel is fixed to the main case. In this state, only the translucent display panel can be easily attached to and detached from the exposed surface of the light guide panel, and the display can be easily changed by the translucent display panel.

According to a second aspect of the present invention, there is provided the display lighting device according to the first aspect, wherein one end of the translucent display panel is inserted and held in the opening of the main body case, and one end of the translucent display panel is held. The translucent display panel is detachably attached to the light guide panel by fastening the other end side facing the portion to the light guide panel with a stopper. Therefore, in this case, particularly, one end side of the translucent display panel is inserted and held in the opening of the main body case, and in this state, the other end side opposite to the same end side is fixed to the light guide panel with a stopper. The work of replacing the translucent display panel, which can be engaged, becomes easier.

A display lighting device according to a third aspect of the present invention is the display lighting device according to the first or second aspect, wherein the light-transmitting display panel has a display sheet adhered to a surface of the light-transmitting plate. It is characterized by. Therefore, in this case, in particular, a light transmitting plate for attaching the display sheet is newly provided on the exposed surface of the light guide panel, and the light transmitting plate having the display sheet attached to the surface of the light transmitting panel is particularly provided. The display panel can be easily replaced by attaching and detaching the display panel. Further, if the attached display sheet can be peeled off cleanly from the surface of the light-transmitting plate, the light-transmitting plate can be reused.

A display lighting device according to a fourth aspect of the present invention is the display lighting device according to any one of the first to third aspects, wherein the translucent display panel is attached to and detached from the exposed surfaces on both sides of the light guide panel. It is characterized in that the light guide panel is freely mounted and illuminated and displayed on both sides of the light guide panel. Therefore, in this case, in particular, since the translucent display panel is detachably laminated and attached to the exposed surfaces on both sides of the light guide panel and illuminated and displayed on both sides, the light from the light source is more effectively utilized, The illumination display range is expanded to both sides.

A display lighting device according to a fifth aspect of the present invention is the display lighting device according to the fourth aspect, wherein a flat-shaped light-transmitting box in which a pair of transparent plates are arranged side by side at intervals is formed. A light guide panel is characterized in that two light guide plates overlapping from an opening at an edge portion thereof are inserted and housed in a space between both transparent plates of the light transmitting box. Therefore, in this case, in particular, two light guide plates overlapping from the opening at the edge are inserted and housed in the space between the two transparent plates of the light-transmitting box to form a light guide panel. Thus, the illumination display on both sides can be performed more effectively, and the two light guide plates are overlapped and securely stored and held in the light transmitting box, and are integrated as a light guide panel, and the edge of the light guide panel is integrated. The part is easily accommodated and fixed inside the main body case.

A display lighting device according to a sixth aspect of the present invention is the display lighting device according to the first aspect, wherein the light guide panel protrudes and hangs from an opening of the main body case and extends along the lower edge of the light guide panel. The upper end of the translucent display panel is inserted and held in the opening of the main body case, and the lower end is moved downward to be locked on the support frame. The optical display panel is detachably attached. Therefore, in this case, in particular, by inserting the upper end side of the translucent display panel into the opening of the main body case and moving it downward continuously to lock the lower end side on the support frame, a so-called ken The translucent display panel can be easily attached and detached in any manner, and the work of replacing the translucent display panel becomes easier. Moreover, since the weight of the translucent display panel is received on the support frame, the translucent display panel is securely and firmly held.

A display lighting device according to a seventh aspect of the present invention is the display lighting device according to the sixth aspect, wherein the upper end portion of the translucent display panel whose lower end portion is locked on the support frame is directed upward. A stopper means for preventing movement is provided on the main body case. Therefore, in this case, in particular, the upward movement of the translucent display panel attached in a tentative manner is prevented by the stopper means, so that the translucent display panel also moves upward due to rattling, seismic vibration, or the like. It does not move up and is held more safely so that it does not fall.

According to an eighth aspect of the present invention, in the display illuminating device according to the seventh aspect, a rod-shaped member penetrating in a substantially horizontal direction between the main body case and the vicinity of the upper end edge of the light guide panel is provided as a stopper. It is characterized in that it is detachably attached as means. Therefore, in this case, in particular, the stopper means made of a rod-shaped member is detachably attached so as to penetrate the main body case and the light guide panel, so that the upper end side of the translucent display panel abuts on the stopper means. As a result, the stopper is not lifted and moved, and the operation of attaching and detaching the stopper means can be easily performed by inserting and removing the rod-shaped member.

A display lighting device according to a ninth aspect of the present invention is the display lighting device according to the second or sixth aspect, wherein the display lighting device is provided between the opening edge of the opening of the main body case and the surface of the translucent display panel. Characterized in that a packing for closing the gap is provided. Therefore, in this case, in particular, unnecessary light leaking from the gap between the opening edge of the opening of the main body case and the surface of the translucent display panel can be shielded. The light guide panel and the packing are supported by the packing in a stable state without shaking.

In the display lighting device according to the first aspect of the present invention, the light from the light source in the main body case can be efficiently used to perform effective lighting display, and the entire device can be downsized. Moreover, while the light guide panel is attached and fixed to the main body case, only the light transmissive display panel can be detached from the exposed surface of the light guide panel to easily replace the light transmissive display panel. The operation of changing the display content by the method is simplified.

Further, in the display lighting device according to claim 2 of the present invention, in particular, one end of the translucent display panel is inserted and held in the opening of the main body case, and in this state, the other end of the opposing end is inserted. The light guide panel can be attached to the light guide panel with a stopper, and the work of replacing the translucent display panel becomes easier.

In the display lighting device according to the third aspect of the present invention, in particular, the translucent display panel in which the display sheet is adhered to the surface of the translucent plate can be easily replaced by attaching and detaching the translucent display panel. If the sheet can be peeled off cleanly from the surface of the light-transmitting plate, the light-transmitting plate can be reused.

In the display lighting device according to the fourth aspect of the present invention, in particular, the display is illuminated on both sides of the light guide panel, the light from the light source is more effectively used, and the range of the illuminated display is expanded on both sides. Is done.

In the display lighting device according to the fifth aspect of the present invention, in particular, the lighting display on both sides is effectively performed individually, and the two light guide plates are overlapped in the light transmitting box so as to be securely stored and held. Then, the edge portion of the light guide panel is easily housed and fixed in the main body case.

In the display lighting device according to the sixth aspect of the present invention, in particular, the work of attaching and detaching the translucent display panel in a steadily manner and replacing the translucent display panel becomes easier. Moreover, the weight of the translucent display panel is received on the support frame, so that the translucent display panel is securely and firmly held.

Further, in the display lighting device according to the present invention, the upward movement of the translucent display panel attached in a tentative manner is prevented by the stopper means. The panels are held more securely so that they do not lift and fall.

In the display lighting device according to the eighth aspect of the present invention, particularly, the upper end side of the translucent display panel abuts on stopper means formed of a rod-shaped member, and the translucent display panel is raised upward. The stopper means does not move up and down, and the work of attaching and detaching the stopper means can be easily performed by the insertion and removal operation.

In the display lighting device according to the ninth aspect of the present invention, in particular, unnecessary light leaking from the gap can be blocked by the packing, and the translucent display panel is formed by the packing together with the light guide panel. It is supported in a stable state without shaking in the main body case.

FIGS. 1 to 4 show a display lighting device according to a first embodiment of the present invention, which corresponds to claims 1 to 5 and 9 of the present invention. In this display lighting device, an edge 3a of a light guide panel 3 is accommodated and fixed in a main body case 2 in which a light source 1 is incorporated, and light from the light source 1 is introduced from the edge 3a to form a light guide panel. 3 is illuminated and displayed through a translucent display panel 4 laminated and attached to the surface of the display panel 3. In this case, the translucent display panel 4 is detachably laminated and attached to the exposed surface of the light guide panel 3 projecting from the opening 5 formed in the main body case 2.

Further, in the display lighting device of this embodiment, one end 4a of the translucent display panel 4 is inserted and held in the opening 5 of the main body case 2, and the other end 4b facing the one end 4a. Is attached to the light guide panel 3 with the stopper 6, whereby the translucent display panel 4 is detachably attached. In this case, the translucent display panel 4 is one in which a display sheet is attached to the surface of a translucent plate.

Further, in the display lighting device of this embodiment, the translucent display panels 4 are detachably laminated and attached to the exposed surfaces on both sides of the light guide panel 3, and the light is displayed on both sides of the light guide panel 3. I am doing so. In this case, a flat translucent box 8 in which a pair of transparent plates 7 are juxtaposed at an interval is formed, and a space between the two transparent plates 7 of the translucent box 8 is formed from the opening of the edge 3a. The light guide panel 3 is formed by inserting and housing two overlapping light guide plates 9.

Hereinafter, the display lighting device of this embodiment will be described in more detail. As shown in FIG. 2, the main body case 2 has a horizontally long box shape, and as shown in FIG. 1, its cross section orthogonal to the longitudinal direction has a vertically long rectangular shape. The panel 3 is suspended from the main body case 2. Inside the main body case 2, a straight tube-type fluorescent lamp serving as the light source 1 and a lighting device 11 for controlling lighting of the fluorescent lamp are housed and installed. A reflector 12 is provided around the light source 1. The reflector 12 is divided into front and rear portions and is opened only below the reflector 12. Light emitted from this opening is transmitted to the edge 3 a of the light guide panel 3. Will be introduced.

A cover plate 13 is detachably attached to the front side of the main body case 2 by a fixing screw 14. By opening and closing the cover plate 13, the inside of the main body case 2 can be inspected and the light source 1 can be inspected. Can be replaced. At this time, the front-side reflector 12 is attached and detached together with the fixing knob 15 that fixes the front-side reflector 12 divided into the front and rear. An opening 5 is formed on the lower side of the main body case 2 so as to open over substantially the entire length in the longitudinal direction. The light guide panel 3 protrudes from substantially the entire length of the opening 5.

As shown in FIG. 3, the light guide panel 3 is in the shape of a horizontally long rectangular plate, and two light guide plates 9 are inserted and stored through the same opening of a flat light-transmitting box 8 whose upper edge 3a is open. Formed. The light-transmitting box 8 is a flat rectangular box having an opening only at an upper edge, and a pair of transparent acrylic resin-made transparent plates 7 are juxtaposed at an interval, and both side edges and a lower edge are light-shielding peripheral walls. The two light guide plates 9 covered by the portion 16 are inserted and stored in the space between the two transparent plates 7 through the opening at the upper edge.

(4) The light guide plate 9 is made of a transparent acrylic resin, and is formed in a shape that is accommodated and held in the light transmissive box 8 in a state where two sheets are overlapped. Light introduced from the light source 1 is emitted from the front side of both light guide plates 9, and a reflection sheet is interposed between the joint surfaces 17 on the back surfaces of the two light guide plates 9 to illuminate both front surfaces. The display is performed separately so as not to interfere with each other.

The light guide panel 3 in which the light guide plate 9 is housed and held in the light transmissive box 8 is inserted into the opening 5 of the main body case 2 from below and fixedly attached thereto. . In this case, a plurality of through holes 18 are formed in the upper edge portion of the light guide panel 3, and as shown in FIG. Is attached and fixed to the main body case 2. At this time, the cover plate 13 is opened and closed.

The translucent display panel 4 is laminated and attached to the exposed surfaces on both sides of the light guide panel 3, that is, the surfaces of both the transparent plates 7 of the translucent box 8. Here, one end side 4a, which is the upper side of the translucent display panel 4, is inserted and held in the opening 5 of the main body case 2, and the other end side 4b, which is the lower side, is engaged with the light guide panel 3 by the stopper 6. The translucent display panel 4 is detachably attached by being attached.

In this case, as shown in FIG. 4, the translucent display panels 4 are respectively laminated and attached to the exposed surfaces on both sides of the light guide panel 3 which is attached and fixed to the main body case 2 and is vertically suspended therefrom. Things. At this time, a flocked packing 20 for preventing light leakage is attached to the opposite opening edge of the opening 5 of the main body case 2, and one end side 4 a of the translucent display panel 4 inserted into the opening 5. Is inserted between the flocking packing 20 and the light guide panel 3. Although the flocking packing 20 is used here, a soft resin or rubber packing may be used.

Here, one end side 4a which is the upper side of the translucent display panel 4 is formed shorter than the upper edge 3a of the light guide panel 3, and the edge 3a of the light guide panel 3 is Even when the translucent display panel 4 is attached and fixed to the main body case 2 with the mounting knob 19, the one end side 4a of the translucent display panel 4 can be inserted and held in the opening 5 without any trouble. Moreover, the light-transmitting display panel 4 on both sides thereof is sandwiched together with the light guide panel 3 by the flocking packings 20 on both sides, and these are supported by the main body case 2 in a stable state without shaking. Further, light leakage from the main body case 2 (particularly, unnecessary light leakage from a portion of the light guide panel 3 not covered by the translucent display panel 4) is prevented by the flocking packings 20 on both sides. In addition to this, the waterproof and dustproof properties in the main body case 2 are also ensured.

Then, with the one side 4a of the translucent display panel 4 inserted into the opening 5 of the main body case 2, the translucent display panel 4 and the light guide panel 3 are stopped so as to penetrate near the lower ends thereof. The tool 6 is mounted. The stopper 6 includes a screw receiving member 6a and a screw member 6b, and both are screwed and connected at the other end 4b of the translucent display panel 4 so as to penetrate the light guide panel 3 as well. The optical display panel 4 is detachably laminated and sandwiched between exposed surfaces on both sides of the light guide panel 3.

The translucent display panel 4 is formed by adhering a display sheet on which a display print or the like is applied to a surface of a translucent plate made of a transparent acrylic resin. In this case, if the display sheet is attached to the surface of the light transmitting plate so as to be easily peeled off, the light transmitting plate can be reused when the display content is changed. In this case, only the translucent display panel 4 is removed from the main body case 2, and the work of replacing the display sheet with the translucent plate of the translucent display panel 4 is performed in a place different from the installation place of the main body case 2. It can be done easily.

Therefore, in the display lighting device of this embodiment, the edge 3a of the light guide panel 3 is housed and fixed inside the main body case 2 in which the light source 1 is built, and the light of the light source 1 is emitted from the edge 3a. Since the light is illuminated and displayed through the translucent display panel 4 which is introduced and laminated and attached to the surface of the light guide panel 3, the light of the light source 1 in the main body case 2 is effectively guided to the outside. It can be used efficiently, can perform high-brightness and effective lighting display as an advertising light in addition to a guide light and an emergency light, and can be downsized as a whole device.

In addition, since the translucent display panel 4 is removably laminated and attached to the exposed surface of the light guide panel 3 which protrudes from the opening 5 formed in the main body case 2, the light guide to the main body case 2. While the panel 3 remains attached and fixed, only the translucent display panel 4 can be easily attached to and detached from the exposed surface of the light guide panel 3, and the display contents of the translucent display panel 4 can be easily replaced. The task of changing is simple. Further, here, in a state where one end side 4a of the translucent display panel 4 is inserted and held in the opening 5 of the main body case 2, the other end side 4b opposed thereto is fixed to the light guide panel 3 by the stopper 6. Since the light transmissive display panel 4 can be engaged, the work of replacing the translucent display panel 4 becomes easier.

In the display lighting device of this embodiment, the translucent display panel 4 has a display sheet adhered to the surface of the light transmissive plate, and the light transmissive plate for attaching the display sheet is guided by the light transmissive plate. Since the light transmitting panel 3 is newly provided on the exposed surface of the light panel 3, the light transmitting display panel 4 in which the display sheet is adhered to the surface of the light transmitting plate can be detached and easily replaced. Further, if the attached display sheet can be peeled off cleanly from the surface of the light-transmitting plate, the light-transmitting plate can be reused, and in this case, the work of replacing the display sheet with the light-transmitting plate is required. It will be easier.

Further, in the display lighting device of this embodiment, the translucent display panels 4 are detachably laminated and attached to the exposed surfaces on both sides of the light guide panel 3, and light is displayed on both sides of the light guide panel 3. Therefore, the light from the light source 1 is more effectively used, and the range of the illuminated display is extended to both sides, and the display function as a guide light, an emergency light, an advertisement light, and the like is improved.

Further, in this case, two light guide plates 9 overlapping from the opening of the edge 3a are inserted and housed in the space between the two transparent plates 7 of the light transmitting box 8 to form the light guide panel 3. By the light guide plate 9, the illumination display on both sides is more effectively performed by the respective light guide plates 9, the two light guide plates 9 are overlapped and securely stored and held in the light transmitting box 8, and are integrally formed as the light guide panel 3. The edge 3a of the light guide panel 3 can be easily accommodated and fixed inside the main body case 2.

FIG. 5 shows a display lighting device according to a second embodiment of the present invention. In this display illumination device, one end 4a of the translucent display panel 4 is not inserted and held in the opening 5 of the main body case 2, and the one end 4a and the other end 4b facing the same are both formed. The light transmissive display panel 4 is attached to the light guide panel 3 by the stopper 6 so that the two light transmissive display panels 4 are detachably laminated to the light guide panel 3. Except for the above, the configuration is the same as that of the first embodiment, and the same operation and effect as those of the first embodiment are exerted.

FIGS. 6 and 7 show a display lighting device according to a third embodiment of the present invention, which corresponds to claims 1, 3, 4, and 6 to 9 of the present invention. In this display lighting device, the light guide panel 3 is protruded and suspended from the opening 5 of the main body case 2, and the support frame 21 is provided along the lower edge 3 b of the light guide panel 3. The translucent display panel 4 is attached and detached by inserting the upper end side 4a into the opening 5 of the main body case 2 and moving the lower end side 4b downward so as to be locked on the support frame 21. Attach freely.

Further, in this display lighting device, the stopper means 22 for preventing the upper end side 4a of the translucent display panel 4 whose lower end side 4b is locked on the support frame 21 from moving upward is provided in the main body case. In this case, a rod-like member that penetrates the main case 2 and the vicinity of the upper edge 3a of the light guide panel 3 in a substantially horizontal direction is detachably provided as the stopper means 22.

The support frame 21 has a hollow shape and is fixedly attached to a lower end portion 3b of the light guide panel 3. In this case, between the joint surfaces 17 on the back side of the light guide plates 9 to be the light guide panel 3, A frame mounting plate also having a reflection function is interposed, and the supporting frame 21 is formed integrally with a lower edge of the frame mounting plate. A concave groove 23 which opens upward is formed on both sides of the light guide panel 3 of the support frame 21, and the lower edge 4b of the translucent display panel 4 is dropped into the concave groove 23 from above and locked. ing.

Further, a vertical frame 24 having a substantially U-shaped cross section is fitted and screwed and attached to both side edges of the light guide panel 3, and a mounting piece 25 is protruded near the upper end of the vertical frame 24. The attachment piece 25 is fixed to the lower side of the main body case 2 with screws. In this case, the light guide panel 3 is reliably supported at a portion surrounded by the vertical frames 24 on both sides and the support frame 21 connecting the lower ends thereof, and the translucent display panels 4 are provided on both the front and back sides of the light guide panel 3 respectively. These units are laminated and attached, and these unitized components are securely fixed vertically to the main body case 2 together with the frame mounting plate.

The stopper means 22, which is a rod-shaped member, is penetrated and held near the side wall of the main body case 2 and near the upper edge 3a of the light guide panel 3, and in this case, a screw rod is used as the rod-shaped member. The main body case 2 is screwed and inserted from the side wall. Further, at this time, a through hole 26 is formed near the upper end side portion 4a of the translucent display panel 4, and the stopper means 22 is also penetrated through the through hole 26, and the translucent display panel 4 is formed. The displacement of the panel 4 is reliably prevented.

A cover plate 13 is pivotally mounted on the front side of the main body case 2 via a pivotal support member 27 so that the cover plate 13 can be opened and closed freely. Can be checked, and the fluorescent lamp serving as the light source 1 can be replaced. When the cover plate 13 is turned downward and closed, the insertion portion of the stopper means 22 is covered and hidden by the cover plate 13 in a good shape. In this case, the front reflector 12 in the above embodiment is attached to the inside of the cover plate 13 so that the front reflector 12 is attached and detached with the opening and closing operation of the cover plate 13. You may.

Accordingly, in the display lighting device of this embodiment, as shown in FIG. 7A, the upper end sides 4a of both translucent display panels 4 are inserted from below into both sides of the opening 5 of the main body case 2, respectively. Subsequently, as shown in FIG. 7B, the two translucent display panels 4 are moved downward, and the lower end sides 4b thereof are engaged with the two concave grooves 23 on the support frame 21 to easily take out. You can wear it. In this case, the translucent display panel 4 can be easily attached and detached in a so-called swift manner, and the work of replacing the translucent display panel 4 becomes easier. Moreover, since the weight of the translucent display panel 4 is received on the support frame 21, both translucent display panels 4 are securely and firmly held on both sides of the light guide panel 3.

Then, a stopper means 22 composed of a rod-shaped member is inserted from the side of the main body case 2 to penetrate the side wall of the main body case 2, the translucent display panel 4 and the light guide panel 3, and as shown in FIG. As shown, the cover plate 13 is closed. In this case, the upward movement of the translucent display panel 4 attached in a tentative manner is prevented by the stopper means 22, so that the translucent display panel 4 is also moved upward due to rattling or seismic vibration. It does not move up and is held more safely so that it does not fall.

Moreover, since the stopper means 22 composed of a rod-shaped member is removably attached so as to penetrate the main body case 2 and the light guide panel 3, the upper end side 4a of the translucent display panel 4 corresponds to the stopper means 22. Stop (in this embodiment, the edge of the through hole 26 formed in the vicinity of the upper end side 4a of the translucent display panel 4 is stopped by the stopper means 22 formed of a rod-shaped member). Without moving, the attaching / detaching operation of the stopper means 22 can be easily performed by screwing / pulling-out operation of the rod-shaped member. Except for the above, the configuration is the same as that of the first embodiment, and the same operation and effect as those of the first embodiment are exerted.

FIG. 1 is a vertical sectional view showing a main part of a display lighting device according to a first embodiment of the present invention. 1A is a front view, FIG. 2B is a plan view, and FIG. 1C is a side view showing the entire display lighting device. The perspective view of the principal part which shows the illumination device for a display. The principal part longitudinal cross-sectional view which shows the state which attaches a translucent display panel in the illumination device for a display. The principal part longitudinal cross-sectional view which shows the illumination device for a display which is the 2nd embodiment of this invention. FIG. 9 is an exploded perspective view showing a display lighting device according to a third embodiment of the present invention. FIGS. 7A, 7B, and 7C are longitudinal cross-sectional views illustrating a state in which a translucent display panel is mounted in the display lighting device. FIGS.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Light source 2 Main body case 3 Light guide panel 3a Edge (upper edge)
3b Lower edge 4 Translucent display panel 4a One edge (upper edge)
4b Other end (lower end)
DESCRIPTION OF SYMBOLS 5 Opening 6 Stopper 7 Transparent plate 8 Translucent box 9 Light guide plate 20 Packing 21 Support frame 22 Stopper means

Claims (9)

An edge of the light guide panel is housed and fixed in the main body case in which the light source is built, and light from the light source is introduced from the edge to be laminated and attached to the surface of the light guide panel. A display lighting device adapted to be illuminated and displayed through a light guide panel, wherein a translucent display panel is detachably laminated and attached to an exposed surface of a light guide panel protruding from an opening formed in a main body case. Display lighting device. One end of the translucent display panel is inserted and held in the opening of the main body case, and the other end opposite to the one end is engaged with the light guide panel with a stopper, so that the light transmissive display panel has the same translucency. The display lighting device according to claim 1, wherein the display panel is detachably attached. (3) The display lighting device according to (1) or (2), wherein the translucent display panel is formed by attaching a display sheet to a surface of a translucent plate. 4. The light guide panel according to claim 1, wherein the light guide panel is detachably laminated and attached to the exposed surfaces on both sides of the light guide panel so as to be illuminated and displayed on both sides of the light guide panel. The display lighting device according to any one of the above. A pair of transparent plates are formed side by side to form a flat light-transmitting box, and two light guide plates overlapping from the opening at the edge are inserted into the space between the two transparent plates of the light-transmitting box. The display lighting device according to claim 4, wherein the display lighting device is housed to form a light guide panel. The light guide panel protrudes from the opening of the main body case and is suspended, a support frame is provided along the lower end edge of the light guide panel, and the upper end side of the translucent display panel is inserted and held in the opening of the main body case. 2. The display lighting device according to claim 1, wherein the translucent display panel is detachably attached by moving a lower end portion of the lower end portion to be locked on the support frame. 3. 7. The display device according to claim 6, wherein a stopper means for preventing the upper end side of the translucent display panel whose lower end side is locked on the support frame from moving upward is provided in the main body case. Lighting equipment. 8. The display lighting device according to claim 7, wherein a rod-shaped member penetrating in a substantially horizontal direction between the main body case and the vicinity of the upper edge of the light guide panel is detachably provided as stopper means. 7. The display lighting apparatus according to claim 2, wherein a packing is provided between the opening edge of the opening of the main body case and the surface of the translucent display panel to close the gap therebetween.

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