JPH0641017U - Lighting equipment - Google Patents

Abstract

(57) [Summary] [Purpose] Illumination on the cut-off plate is possible by providing a reflective surface on the translucent cut-out plate. [Structure] A case 2 having valves 3c and 3d of two different colors is provided with a translucent border plate 9 between the bulbs 3c and 3d, and one side of the border plate 9 is printed in white to form a reflective surface. 10 is provided, each chamber 5 of the bulbs 3c and 3d is formed, each chamber 5 is covered with a lens 4, and the liquid crystal display device 7 provided above is illuminated.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a lighting device, and more particularly to a lighting device for transmitting and illuminating a liquid crystal display device or a light receiving display member such as a character marker.

[0002]

[Prior art]

 As shown in FIG. 7, a conventional lighting device 1 includes two bulbs 3a and 3b as a light source 3 for illumination in a case 2 made of white synthetic resin, and a lens 4 that covers the front surface of the case 2 as shown in FIG. In order to divide and form each chamber 5 of each valve 3a, 3b, a plate 6 made of an opaque synthetic resin was provided (for example, Japanese Utility Model Laid-Open No. 53-1237746).

[0003]

[Problems to be solved by the device]

 By the way, in such an illuminating device 1, when the liquid crystal display device 7 provided above the illuminating device 1 is transmitted and illuminated by providing the opaque dividing plate 6, the width of the thickness 8 of the dividing plate 6 is increased. However, there is a problem that the liquid crystal display device 7 has a shadow portion.

[0004]

[Means for Solving the Problems]

 Therefore, in order to solve the conventional problems, the present invention divides a case into a plurality of chambers, arranges a light source for illumination in each of the chambers, and includes at least one lens that covers the front surface of the case. In the illuminating device, a partition plate that partitions and forms each of the chambers is formed of a translucent member having a reflecting surface on one surface.

[0005]

[Action]

 By providing a reflective surface on one side of a blind plate made of a translucent material, it is possible to illuminate the width of the blind plate, which was not possible with conventional lighting, and where the reflective surface causes different illumination colors. The boundaries of can be clearly illuminated.

[0006]

【Example】

 Hereinafter, the present invention will be described with reference to FIGS. 1 to 6, but the same or corresponding portions as those of the conventional example will be denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 1 is an exploded perspective view of a first embodiment of the present invention, FIG. 2 is a sectional view of the same embodiment, FIG. 3 is a plan view of the same embodiment from above, and FIG. 4 is a second embodiment of the present invention. FIG. 5 is a sectional view of an example, FIG. 5 is an exploded perspective view of a third embodiment of the present invention, and FIG. 6 is an exploded perspective view of a fourth embodiment.

As shown in FIGS. 1 to 3, the lighting device 1 according to the first embodiment of the present invention includes a red bulb 3c and a yellow bulb 3d, which have different colors, in a case 2 made of white synthetic resin. Different light sources 3 are provided, and each chamber 5 is partitioned and formed by a partition plate 9 which is colorless and made of a synthetic resin having a light-transmitting property and a light-diffusing property, and one surface of the partition plate 9 is printed in white. Then, the reflecting surface 10 is provided. Further, by arranging the upper end portion 9a of the divider plate 9 and providing a lens 4 made of a synthetic resin which is colorless and has a light-transmitting property and a light-diffusing property, which covers each of the bulbs 3c and 3d in the case 2. The device 1 is configured. A liquid crystal display device (light receiving display member) 7 is provided above the lighting device 1.

With such a configuration, even when the two bulbs 3c and 3d are turned on at the same time, on the red bulb 3c side, the light from the bulb 3c passes through the threshold plate 9 and is reflected by the reflecting surface 10, and the reflected light is The liquid crystal display device 7 is illuminated again by passing through the divider plate 9, and the light from the bulb 3d is reflected by the reflection surface 10 on the yellow bulb 3d side, and the reflected light illuminates the liquid crystal display device 7. .

Next, as shown in FIG. 4, a lighting device 1 according to a second embodiment of the present invention includes a white, non-translucent bottomless case 2a, and green, yellow, and red light emitting diodes 11a, 11b, 11c. The rigid printed circuit board 12 having a straight line is attached to the lower part of the case 2a. The three light-emitting diodes 11a, 11b, and 11c are formed of a colorless synthetic resin having a light-transmitting property and a light-diffusing property for partitioning each chamber 5, and a reflecting surface 10 is formed on one side by white printing. A plate 9 is provided. Then, a colorless and transparent lens 4 made of a synthetic resin, which sandwiches the upper end portion 9a of the partition plate 9 and covers the light emitting diodes 11a, 11b, and 11c, is provided with a lens 4 made of synthetic resin. Make up one.

As shown in FIG. 5, the lighting device 1 according to the third embodiment of the present invention has one lens 4 for covering each chamber 5 equipped with the light emitting diode 11, and the lens 4 has a reflecting surface. A rectangular hole 4a that fits with the upper end 9a of the edge plate 9 provided with 10 is provided, and the upper end 9a of the edge plate 9 fits into this hole 4a, and the lighting device 1 is configured. Then, the liquid crystal display device 7 provided above is illuminated.

Further, as shown in FIG. 6, in a lighting device 1 according to a fourth embodiment of the present invention, four chambers 5 are formed in a square shape in a case 2b made of white and non-translucent synthetic resin. Coloring valves 3e, 3f, 3g, and 3h are respectively provided in 5, and the partition plates 13, 14, and 15 that partition and form each chamber 5 are made of colorless and transparent synthetic resin. The divider plate 13 is formed in an L shape, and the reflecting surfaces 10a and 10b are formed by white printing on the obtuse angle side of the L shape. The other two cut-off plates 14 and 15 are flat plates and have white surfaces on which reflective surfaces 10c and 10d are formed. These end plates 13, 14, 15 are reflective surfaces 10a, 10b of the L-shaped end plate 13, and the reflective surfaces 10c, 10d of the two flat plate end plates 14, 15 are reflective surfaces 10a and 10d, respectively. The surface 10d is arranged so that the reflecting surface 10b and the reflecting surface 10c are connected to each other. The lens 4 covering the case 2b is formed with a cross-shaped hole 4b in a cross shape so as to fit into the upper end portions 13a, 14a, 15a of the partition plates 13, 14, 15 arranged in the case 2b. The illuminating device 1 is constructed by fitting the upper ends 13a, 14a, 15a formed in a cross shape by the divider plates 13, 14, 15 and the cross-shaped hole 4b of the lens 4. The second to fourth embodiments can all provide the same illumination as the first embodiment.

In addition, in the first to fourth embodiments, it is not necessary to form all the cut-off plates 9, 13, 14, 15 with a translucent synthetic resin, but the cut-off plates 9, 13, 14 are not shown. It is also possible that each chamber is not divided into only 15 and 15 and that the case is integrally provided with a cut-off portion, and the cut-off plates 9, 13, 14 and 15 are provided only in the vicinity of the lens 4.

Further, in the first and second embodiments, when the lenses 4 of different colors (not shown) are provided, the color of the translucent member of the edge plates 9, 13, 14, 15 and the edge plate 9, The colors of the lenses 4 that are in continuous contact with the 13, 14 and 15 translucent members may be the same.

The reflective surfaces 10, 10a, 10b, 10c, 10d formed on the end plates 9, 13, 14, 15 are not limited to white printing, and may be thermal evaporation of aluminum, for example. Can be anything as long as it reflects on both sides. Also, in the above-mentioned embodiment, two types of light sources, a bulb and a light emitting diode, are disclosed, but the light sources are not limited to the two types of light sources 3 described above, and any light source can be used as long as it can be used as the light source 3. Furthermore, the number of the light sources 3 provided in each chamber 5 does not have to be one, and a plurality of light sources may be provided, and a combination of light sources of the same color or different colors may be used.

Further, in the above-mentioned embodiment, the lens 4 and the end plate 9 are formed of a colorless transparent synthetic resin having a light diffusing property, but any member can be used as long as it is a transparent member. But it is okay.

Further, the cases 2, 2a and 2b do not have to be made of a white opaque synthetic resin, and may be changed appropriately for design convenience.

Further, although the above-mentioned embodiment is used for illuminating the liquid crystal display device 7, the present invention is not limited to the above-mentioned embodiment and may be any one that can be used for transmitted illumination.

[0019]

[Effect of device]

 According to the present invention, it is possible to illuminate clearly with the reflecting surface provided on the divider plate and to clearly illuminate the boundary between the light sources.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention.

FIG. 2 is a sectional view of the embodiment.

FIG. 3 is a plan view from above of the embodiment.

FIG. 4 is a sectional view of a second embodiment of the present invention.

FIG. 5 is an exploded perspective view of a third embodiment of the present invention.

FIG. 6 is an exploded perspective view of a fourth embodiment of the present invention.

FIG. 7 is a sectional view of a conventional example.

[Explanation of symbols]

 1 Lighting device 2, 2a, 2b Case 3 Light source 3a, 3b Bulb 3c Red bulb 3d Yellow bulb 3e, 3f, 3g, 3h Coloring bulb 4 Lens 4a, 4b Hole 5 Chamber 6 Cutout plate 7 Liquid crystal display 8 Thickness 9,13,14,15 Shredding plate 9a, 13a, 14a, 15a Upper end 10, 10a, 10b, 10c, 10d Reflective surface 11, 11a, 11b, 11c Light emitting diode 12 Hard printed circuit board

Claims (3)

[Scope of utility model registration request] 1. A lighting device having a case divided into a plurality of chambers, a light source for illumination arranged in each of the chambers, and at least one lens covering the front surface of the case, the chambers being divided into a plurality of chambers. An illuminating device, wherein the divider plate is formed of a translucent member having a reflecting surface on one surface. 2. The front surface of the case is covered with one lens, a hole is formed in the lens so as to be fitted to an upper end of a cutout plate, the upper end and the hole are fitted to each other, and the upper end is fitted to the lens. The lighting device according to claim 1, wherein the lighting device faces the front surface of the lighting device. 3. The front surface of the case is covered with at least two lenses having different colors, and the color of the transparent member of the cutoff plate and the color of the lens continuously contacting the transparent member of the cutoff plate are different from each other. The lighting device according to claim 1, wherein the lighting devices are the same.