CN208703647U - Lighting device - Google Patents

Lighting device Download PDF

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Publication number
CN208703647U
CN208703647U CN201821017379.7U CN201821017379U CN208703647U CN 208703647 U CN208703647 U CN 208703647U CN 201821017379 U CN201821017379 U CN 201821017379U CN 208703647 U CN208703647 U CN 208703647U
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China
Prior art keywords
light
mentioned
guide plate
light guide
lighting device
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CN201821017379.7U
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Chinese (zh)
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石原美香
卫藤信行
青山央
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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  • Planar Illumination Modules (AREA)

Abstract

The utility model provides lighting device, has: illuminating module (21), substrate (120), multiple 1st light sources (121) and multiple 2nd light sources (122) with long size;1st light guide plate (3), the light guide that the 2nd light source (122) of a part of side arrangement in the X-axis direction is projected;2nd light guide plate (4), the light guide that the 2nd light source (122) of another part of another party's arrangement in the X-axis direction is projected;1st light-blocking member (5) configures between the 1st light guide plate (3) and multiple 1st light sources (121), interferes incident from the light that multiple 1st light sources (121) are projected to the 1st light guide plate (3);2nd light-blocking member (6) configures between the 2nd light guide plate (4) and multiple 1st light sources (121), interferes incident from the light that multiple 1st light sources (121) are projected to the 2nd light guide plate (4).

Description

Lighting device
Technical field
The utility model relates to lighting devices.
Background technique
In the past, disclose a kind of light of self-emission device in future to the surface feeding sputtering of light guide plate, make master of the light from light guide plate The lighting device using light guide plate that face is projected (referring for example to patent document 1).
Furthermore there is disclosed a kind of lighting devices with the LED light source substrate for being provided with LED element group (referring for example to special Sharp document 2).
Patent document 1: Japanese Unexamined Patent Publication 2015-225803 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2016-219119 bulletin
In the case where combining the lighting device of patent document 1 with the lighting device of patent document 2, light can be made from leading The surface of tabula rasa project and by ambient illumination and the light source that is installed on substrate goes out light emission and by ambient illumination.In this feelings Under condition, such as in the case where only lighting the LED element group of patent document 2, there are the light guide plate of light to patent document 1 is incident The case where.Therefore, the light guide plate for occurring never to be lit projects the undesirable condition of light.It is thus impossible to be properly based on Intentional illumination as the illumination of light-emitting component, the illumination based on light guide plate.
Utility model content
Therefore, the purpose of the utility model is to provide one kind locally to distinguish the light emitting region of lighting device The lighting device of irradiation.
In order to achieve the above object, the lighting device of a technical solution of the utility model has: illuminating module, has length The substrate of size, multiple 1st light sources arranged in the longer direction of aforesaid substrate and the arrangement in above-mentioned multiple 1st light sources Shorter direction on aforesaid substrate both ends a side and multiple 2nd light for being arranged along above-mentioned longer direction of another party Source;1st light guide plate is long size shape, configures the one side in above-mentioned multiple 1st light sources, will be from being arranged in above-mentioned shorter side The light guide that the 2nd light source of a part in upward one side projects;2nd light guide plate is long size shape, is configured above-mentioned more Above-mentioned another party of a 1st light source, will be from the 2nd light source of another part on the above-mentioned another party being arranged on above-mentioned shorter direction The light guide of injection;1st light-blocking member configures between above-mentioned 1st light guide plate and above-mentioned multiple 1st light sources, interferes from above-mentioned The light that multiple 1st light sources project is incident to above-mentioned 1st light guide plate;And the 2nd light-blocking member, configuration above-mentioned 2nd light guide plate with Between above-mentioned multiple 1st light sources, interfere the light projected from above-mentioned multiple 1st light sources incident to above-mentioned 2nd light guide plate.
In addition it is also possible to be to be also equipped with the control unit for controlling above-mentioned multiple 1st light sources and above-mentioned multiple 2nd light sources;It is above-mentioned Control unit selectively makes above-mentioned multiple 1st light sources, the 2nd light source igniting of above-mentioned a part of 2nd light source and above-mentioned another part.
In addition it is also possible to be, in the case where overlooking the lighting device, has from above-mentioned 1st light guide plate and project the 1st of light Region is projected, the 2nd injection region of light is projected from above-mentioned 2nd light guide plate and projects the 3rd of light from above-mentioned 1st light source and projects area Domain;It is roughly equal that the light quantity that region, above-mentioned 2nd injection region and above-mentioned 3rd injection region are projected is projected from the above-mentioned 1st.
In addition it is also possible to be, the above-mentioned 1st, which projects region and the above-mentioned 2nd, projects region relative to above-mentioned 3rd injection region pair Claim ground configuration.
In addition it is also possible to be, it is respective that region is projected in above-mentioned 1st injection region, above-mentioned 2nd injection region and the above-mentioned 3rd Area is roughly equal.
In addition it is also possible to be, above-mentioned 1st light-blocking member and above-mentioned 2nd light-blocking member are respectively provided with the light of light reflection is anti- Penetrate function.
In addition it is also possible to be, above-mentioned illuminating module is formed with opening portion, which is formed in the end of above-mentioned illuminating module Portion side, the signal at least accepting the control of above-mentioned multiple 1st light sources pass through the opening portion;A part of 1st light source is as altar lamp It lights, is configured in the periphery of above-mentioned opening portion.
In addition it is also possible to be, above-mentioned 1st light guide plate and above-mentioned 2nd light guide plate be respectively provided with the surface that light emission goes out, with it is above-mentioned The plane of incidence at the back side of surface opposite side and light incidence;In the respective above-mentioned of above-mentioned 1st light guide plate and above-mentioned 2nd light guide plate The end of incident surface side is arranged with the multiple through holes for penetrating into the above-mentioned back side always from above-mentioned surface along the above-mentioned plane of incidence; Across the above-mentioned plane of incidence and at least one opposed opposed region of above-mentioned multiple through holes, compared with non-opposed region, Above-mentioned multiple 2nd light sources are more thickly configured.
In addition it is also possible to be to be also equipped with a pair of 3rd light guide plate, which configures in above-mentioned multiple 1st light One side at the both ends of the aforesaid substrate in the longer direction of the arrangement in source and another party;Above-mentioned illuminating module also has above-mentioned Multiple 2 arranged on one side and another party at the both ends of the aforesaid substrate in the longer direction of the arrangement of multiple 1st light sources Light source;Multiple 2nd light sources that above-mentioned a pair of 3rd light guide plate will be arranged from a side at the both ends in aforesaid substrate and another party The light guide of injection.
In addition it is also possible to be to be also equipped with the long size shape for carrying out distribution controls to the light that above-mentioned multiple 1st light sources project Lens cap;Above-mentioned 1st light-blocking member and above-mentioned 2nd light-blocking member have the ora terminalis prominent engaging outstanding along said lens cover Portion.
According to the utility model, irradiation can locally be distinguished in the light emitting region of lighting device.
Detailed description of the invention
Fig. 1 is the perspective view for indicating the lighting device of embodiment 1.
Fig. 2 is the exploded perspective view for indicating the lighting device of embodiment 1.
Fig. 3 is the partial sectional view for indicating the lighting device of the related embodiment 1 of III-III line of Fig. 1.
Fig. 4 is that the partial enlargement of the illuminating module for indicating the lighting device of embodiment 1, connector, light-blocking member etc. cuts open View.
Fig. 5 is the plan view for indicating the lighting device of embodiment 1.
Fig. 6 is the schematic diagram for indicating the lighting mode of lighting device of embodiment 1.
Fig. 7 is the schematic diagram for indicating the lighting mode of lighting device of embodiment 1.
Fig. 8 is the plan view for indicating the 1st light guide plate and the 2nd light source of embodiment 1.
Fig. 9 is the plan view for indicating the lighting device of embodiment 2.
Label declaration
1,200 lighting device
3 the 1st light guide plates
4 the 2nd light guide plates
5 the 1st light-blocking members
6 the 2nd light-blocking members
13 control units
21,221 illuminating module
The 31a plane of incidence
35a prism facets (back side)
35b outgoing plane (surface)
120 substrates
The 2nd opening portion (opening portion) 120b
121 the 1st light sources
122 the 2nd light sources
203 the 3rd light guide plates
Specific embodiment
Hereinafter, being carried out referring to attached drawing to the embodiments of the present invention.In addition, embodiments described below all indicates A preferred concrete example of the utility model.Thus, the numerical value that indicates in the following embodiments, shape, material, composition are wanted Element, the allocation position of constituent element and connection form etc. are an examples, are not the meanings for limiting the utility model.As a result, about with Under embodiment constituent element in, indicate upper concept independent claims in do not have record composition want Element is set as arbitrary constituent element and is illustrated.
In addition, the record about " substantially * * ", if illustrated by taking " roughly the same " as an example, being not only includes complete phase It together, further include being considered substantially the same meaning.
In addition, each figure is schematic diagram, not necessarily strictly illustrate.In addition, in the various figures, for substantially the same Structure assigns identical label, and repeat description is omitted or simplified.
Hereinafter, the lighting device to the embodiments of the present invention is illustrated.
(embodiment 1)
[structure]
Fig. 1 is the perspective view for indicating the lighting device 1 of embodiment 1.Fig. 2 is the lighting device 1 for indicating embodiment 1 Exploded perspective view.Fig. 3 is the partial sectional view for indicating the lighting device 1 of the related embodiment 1 of III-III line of Fig. 1.Fig. 4 It is the partial enlargement of the illuminating module 21 for indicating the lighting device 1 of embodiment 1, distribution component 120a, the 1st light-blocking member 5 etc. Cross-sectional view.
The shorter direction of lighting device 1 is defined as X-direction, the longer direction of lighting device 1 is defined as Y-axis side To the direction orthogonal with X-direction and Y direction is defined as Z-direction.In addition, will be from apparatus main body 2 to the 1st light guide plate 3 Side be defined as X-axis forward direction, will from the 1st opening portion 20a of main body mould group 20 to the side of altar lamp be defined as Y-axis forward direction, The ceiling side mark for installing lighting device 1 is set to Z axis forward direction, to show all directions of X, Y, Z.Also, each side shown in FIG. 1 To corresponding with all directions shown in Fig. 2 and show.It is also same in the figure after Fig. 2.
As shown in Figures 1 and 2, lighting device 1 is fixed in ceiling and wall using the light guide plate of edge-lit mode Equal building materials.Specifically, state of the lighting device 1 to wait external power supplies to be electrically connected with the ceiling lamp holder 11 being arranged on the ceiling And it is fixed.
Lighting device 1 has apparatus main body 2, the 1st light guide plate 3, the 2nd light guide plate 4, the 1st light-blocking member 5, the 2nd light-blocking member 6, a pair of support member 8 and translucent cover 7.
Apparatus main body 2 is the box-shaped body for being in the Y-axis direction long size.Apparatus main body 2 has outer mounting cover 12, main body mould group 20, a pair of of lens cap 23, control unit 13, receiving unit 14 and power supply unit 15.
Outer mounting cover 12 is the rectangular-shaped cabinet for being in the Y-axis direction long size, bears and is open upwards in Z axis forward direction and Z axis. Outer mounting cover 12 accommodates main body mould group 20, the 1st light-blocking member 5, the 2nd light-blocking member 6, control unit 13, receiving unit 14, power supply unit 15 Deng.Outer mounting cover 12 is the cover in the outside of lighting device 1.
Main body mould group 20 is that have the 1st opening of round in center portion for the rectangular-shaped of long size in the Y-axis direction Portion 20a.Main body mould group 20 is electrically connected via the 1st opening portion 20a with ceiling lamp holder 11.Main body mould group 20 has a pair of shine Mould group 21 and host body 25.
[illuminating module]
As shown in Fig. 2, a pair of of illuminating module 21 is fixed on host body 25 with the secure components such as such as screw 19.It is specific and Speech, a pair of of illuminating module 21 are arranged respectively at Y-axis for the 1st opening portion 20a in a manner of clipping the 1st opening portion 20a Positive side and Y-axis negative sense side.In addition, in the present embodiment, using 2 illuminating modules 21 but it is also possible to be 1 illuminating module 21。
As shown in Figures 2 and 3, illuminating module 21 has substrate 120, multiple 1st light sources 121 and multiple 2nd light sources 122.
Substrate 120 is the rectangular plate-like for being in the Y-axis direction long size.Substrate 120 be installed with multiple 1st light sources 121 and Multiple 2nd light sources 122.Substrate 120 is arranged in the mode substantially parallel with the plane as defined in X-direction and Y direction The host body 25 of main body mould group 20.It is fixed to match to what multiple 1st light sources 121 and multiple 2nd light sources 122 were powered in substrate 120 Line component 120a.Substrate 120 is electrically connected via the cable (not shown) connecting with distribution component 120a with power supply unit 15.Wiring Component 120a includes the conducting wire powered to the 1st light source 121 and the 2nd light source 122 and the connection for being electrically connected substrate 120 with conducting wire Device.It is the meaning for including the metal wiring covered by insulating element about distribution component 120a.In the present embodiment, wiring Component 120a is dispersed on substrate 120.
Substrate 120 in Y-axis forward direction side, is formed with the 2nd opening portion 120b.2nd opening portion 120b is formed in illuminating module The end side of 21 Y-axis forward direction.In the case where overlooking illuminating module 21, receiving unit 14 is formed as and the 2nd opening portion 120b weight It is folded.Receiving unit 14 can readily receive the signal sent from remote controler as a result,.2nd opening portion 120b is an example of opening portion.
Substrate 120 can be thermally connected with radiating part, and the heat that the 1st light source 121 and the 2nd light source 122 are generated radiates.Heat dissipation Portion can be also thermally connected with outer mounting cover 12, and outer mounting cover 12 can be also acted as heat sink effect.
Multiple 1st light sources 121 are arranged in substrate 120, become the rectangular of long size in the Y-axis direction.Multiple 2nd light sources The X-axis at the both ends of substrate 120 of 122 a part in the X-direction of the arrangement of multiple 1st light sources 121 is positive and X-axis is negative It is arranged upwards along Y direction.In other words, in multiple 2nd light of X-axis forward direction side arrangement for multiple 1st light sources 121 Source 122 and multiple 2nd light sources 122 arranged in X-axis negative sense side, are arranged in substrate in a manner of clipping multiple 1st light sources 121 On 120.The X-axis at the both ends of the substrate 120 in the X-direction of the arrangement of multiple 1st light sources 121 is positive, is multiple 1st light sources An example of one side at the both ends of the substrate 120 on the shorter direction of 121 arrangement.In addition, the arrangement of multiple 2nd light sources 122 X-direction on substrate 120 both ends X-axis negative sense, be the base on the shorter direction of the arrangement of multiple 2nd light sources 122 An example of the another party at the both ends of plate 120.
1st light source 121 and the 2nd light source 122 are since the injection direction of light is towards Z axis negative sense, so light is penetrated to Z axis negative sense Out.Injection direction, the i.e. respective optical axis and Z-direction of the 1st light source 121 and the 2nd light source 122 of light is substantially parallel.
In the injection direction side of the light for multiple 2nd light sources 122 for being arranged in X-axis forward direction side, it is configured with the 1st light guide plate 3.This Outside, in the injection direction side of the light for multiple 2nd light sources 122 for being arranged in X-axis negative sense side, it is configured with the 2nd light guide plate 4.X-axis is positive Plane of incidence 31a irradiation light of 2nd light source 122 of side to the 1st light guide plate 3.In addition, the 2nd light source 122 to the 2nd of X-axis negative sense side is led The plane of incidence 31a irradiation light of tabula rasa 4.2nd light source 122 of X-axis forward direction side is configured to, opposed with plane of incidence 31a, and optical axis with The plane of incidence 31a of 1st light guide plate 3 is substantially orthogonal.In addition, the 2nd light source 122 of X-axis negative sense side is configured to, with 31a pairs of the plane of incidence It sets, and the plane of incidence 31a of optical axis and the 2nd light guide plate 4 is substantially orthogonal.That is, the 2nd light source 122 is in and the 1st light guide plate 3 and the 2nd The respective plane of incidence 31a of light guide plate 4 substantially vertical relationship.
In addition, gap is offered between the 2nd light source 122 and the 1st light guide plate 3 and the 2nd light guide plate 4, thus the 2nd light source 122 do not contact with the 1st light guide plate 3 and the 2nd light guide plate 4.
1st light source 121 and the 2nd light source 122 are the LED elements of so-called SMD (Surface Mount Device) type.Institute The LED element for calling SMD type, specifically, being to be equipped with LED chip (light-emitting component) in the chamber of resin forming, in chamber The LED element of the encapsulation type containing phosphor resin is inside enclosed.1st light source 121 and the 2nd light source 122 are by being set to power supply unit 15 Control unit 13 control and lighted and extinguished.In addition, the 1st light source 121 and the 2nd light source 122 are by being set to power supply unit 15 Control unit 13 controls and is dimmed and mixed colours.For example, using the group for passing through blue LED die and the resin containing yellow fluorophor The surface mounting LED element of white light is closed and releases, as the 1st light source 121 and the 2nd light source 122.
In addition, the 1st light source 121 and the 2nd light source 122 are not limited to such structure, also can be used in the 1st light source The mould group of COB (Chip On Board) type of LED chip is mounted directly on the substrate 120 of 121 and the 2nd light source 122.In addition, The light-emitting component that 1st light source 121 and the 2nd light source 122 have is not limited to LED, such as be also possible to semiconductor laser etc. Other solid luminescences such as the EL elements such as semiconductor light-emitting elements or organic EL (Electro Luminescence), inorganic EL member Part.
In addition, the illuminating module 21 of another party is also same structure, so the description thereof will be omitted.
[lens cap]
As shown in Figures 2 and 3, a pair of of lens cap 23 clips the 1st opening portion 20a and divides for the 1st opening portion 20a It is positioned respectively at Y-axis forward direction side and Y-axis negative sense side.Lens cap 23 passes through substrate 120 and the 1st light-blocking member 5 and the 2nd light-blocking member 6 And it is fixed.Lens cap 23 is in the rectangular plate-like for being in the Y-axis direction long size, by such as acrylic acid, poly- with translucency The materials such as the transparent resins such as carbonic ester are formed.
Lens cap 23 is the cover that distribution controls are carried out to the light that multiple 1st light sources 121 project, and has multiple lens.Lens Multiple 1st light sources 121 are covered and are configured at illuminating module 21 by cover 23.Specifically, by lens cap 23 and multiple 1st light sources In the case that 121 overlook, each lens and each 1st light source 121 for being formed in lens cap 23 are corresponding one to one.Lens cap 23 Each lens when the light projected from each 1st light source 121 corresponding with them penetrates, control the light distribution angle of the light of transmission.
In addition, the lens cap 23 of another party is also same structure, so the description thereof will be omitted.
[host body]
Host body 25 is the shell for accommodating a pair of of illuminating module 21 and a pair of of lens cap 23.In host body 25, with multiple tight Gu fixed a pair of of the illuminating module 21 of component 19.In addition, in host body 25, via the 1st light-blocking member 5, the 2nd light-blocking member 6 and A pair of of illuminating module 21 and fixed a pair of of lens cap 23.
[control unit]
Control unit 13 is electrically connected with the 1st light source 121, the 2nd light source 122 and receiving unit 14.Control unit 13 for example passes through control Lighting circuit portion can carry out brightness adjustment control to the light projected from the 1st light source 121 and the 2nd light source 122 and toning controls.Control Portion 13 controls the 1st light source 121 and the 2nd light source 122 based on the signal sent from remote controler.Control unit 13 is configured to, and can make 1 light source 121 and the 2nd light source 122 are lighted, are extinguished.For example, control unit 13 can only select multiple 1st light of Y-axis forward direction side Source 121 only selects multiple 1st light sources 121 of Y-axis negative sense side, only selects the 1st whole light sources 121, only selects in X-axis forward direction Multiple 2nd light sources 122 of side arrangement only select multiple 2nd light sources 122 arranged in X-axis negative sense side or select them, come real Existing selected combination is lighted.That is, control unit 13 selectively make multiple 1st light sources 121, a part the 2nd light source 122 and 2nd light source 122 of another part is lighted.
In addition, control unit 13 can be such that a part of multiple 1st light sources 121 lights with altar lamp.It is lighted as altar lamp Position, be multiple 1st light sources 121 of Y-axis forward direction side.Multiple 1st light sources 121 lighted as altar lamp are configured in substrate The periphery of 120 the 2nd opening portion 120b.Alternatively, it is also possible to further be provided as altar lamp except multiple 1st light sources 121 The 3rd light source lighted.
Control unit 13 can for example be constituted with the microcomputer for having CPU (Central Processing Unit).Control Portion 13 processed is for example executed by making to be stored in the program appropriate in storage unit, is able to carry out defined Lighting control movement.It deposits Storage portion is for example able to use flash memories, EEPROM (Electrically Erasable and Programmable Read Only Memory) etc. nonvolatile semiconductor memories constitute.
[receiving unit]
As shown in Fig. 2, receiving unit 14 is for example configured to, the signal sent from remote controler can be received.Receiving unit 14 is by red The structures such as the signal processing part of defined signal processing are amplified and carried out to the output of infrared ray light receiving element by outside line light receiving element At.In the signal from remote controler, the dimming commands, right including carrying out brightness adjustment control to the 1st light source 121 and the 2nd light source 122 1st light source 121 and the 2nd light source 122 carry out the information of the ignition modes such as the toning instruction of toning control.For receiving unit 14 Speech, signal processing part by according to the information of the ignition mode demodulated from the signal that infrared ray light receiving element receives to control unit 13 outputs.
[power supply unit]
As shown in Figures 2 and 3, power supply unit 15 has by being used to make from the external driving circuit being driven by electricity, supply The cable etc. of the luminous electric power of illuminating module 21.Power supply unit 15 is supplied electric power via cable to illuminating module 21.
[light guide plate]
1st light guide plate 3 is configured in the X-axis forward direction side of multiple 1st light sources 121.The X-axis forward direction side of multiple 1st light sources 121 is An example of the side of multiple 1st light sources 121.The end of its X-axis negative sense side of 1st light guide plate 3 is fixed in outer mounting cover 12, and the 1st Light guide plate 3 is supported in the mode substantially parallel with the plane as defined in X-direction and Y direction.1st light guide plate 3 is in Y-axis It is the plate of long size on direction, is multiple 2nd light sources 122 of the X-axis forward direction side arrangement of comfortable multiple 1st light sources 121 in the future Light guide optical component.1st light guide plate 3 is the component of the translucency such as the resins such as acrylic acid, polycarbonate or glass, but only There is translucency, is formed and be ok by what kind of other material.In addition, the shape of the 1st light guide plate 3 be not limited to it is rectangular-shaped, It is also possible to discoid, is also possible to the other shapes such as multilateral shape.
As shown in figure 3, the 1st light guide plate 3 has bending section 31, flat part 35 and multiple holding sections 39.
Bending section 31 is the part of the ora terminalis side of the X-axis negative sense of the 1st light guide plate 3, is in the Y-axis direction along lens cap 23 Long size.Bending section 31 is in the section view in the case where being cut off with the plane as defined in X-direction and Z-direction, from the 2nd light source 122 sides are with substantially arc-shaped bend.The light that bending section 31 projects the 2nd light source 122 is guide-lighting to flat part 35.Bending section 31 is curved Song, so that the light from plane of incidence 31a incidence is guide-lighting to flat part 35.
As shown in figure 4, bending section 31 has plane of incidence 31a, outer diameter face 31b, aperture surface 31c and a pair of of protruding portion 32.
Plane of incidence 31a is the face of the light incidence from multiple 2nd light sources 122.Plane of incidence 31a and multiple 2nd light sources 122 Optical axis generally perpendicularly configures, so that the light projected from multiple 2nd light sources 122 is incident.That is, plane of incidence 31a is more along arranging The Y direction of a 2nd light source 122 is formed.Plane of incidence 31a is a part of the side of the 1st light guide plate 3.
Outer diameter face 31b is the face of faced 5 side of the 1st light-blocking member, is bending so that light reflection is mainly made light Xiang Ping The guide-lighting face in plate portion 35.Outer diameter face 31b is long size in the Y-axis direction along the 1st light-blocking member 5 of X-axis forward direction side.
Aperture surface 31c is the face with outer diameter face 31b opposite side, is bending mainly to make light to flat part 35 light reflection Guide-lighting face.Aperture surface 31c is long size in the Y-axis direction.
Protruding portion 32 is formed at two ora terminalis of plane of incidence 31a extended along the y axis along Y direction.It is a pair of Protruding portion 32 is located at two end sides of multiple 2nd light sources 122 that are opposed with plane of incidence 31a and arranging in the Y-axis direction.Therefore, enter The face 31a of penetrating can utilize protruding portion 32, by the light projected from multiple 2nd light sources 122 more optically focused.
As shown in Figures 2 and 3, holding section 39 is close to 121 side of the 1st light source with 122 side of the 2nd light source from bending section 31 Mode is stretched out.In holding section 39, formed jagged.It is fastened when using the 1st light-blocking member 5, the 1st light guide plate 3 and illuminating module 21 When component 19 fastens together, holding section 39 is using the secure component 19 configured in indentation, there, in the 1st light-blocking member 5 and luminous mould It is temporarily fastened between group 21.
Flat part 35 is to make the guide-lighting next light guide in bending section 31, project the plate of the light of ambient illumination.Flat part 35 are kept substantially in parallel with the plane as defined in X-direction and Y direction.Flat part 35 configures the X-axis in bending section 31 Positive side, i.e. apparatus main body 2 X-axis forward direction side.It is in the Y-axis direction the rectangle of long size that flat part 35, which is along bending section 31, The plate of plate.Flat part 35 is an example in plate portion.
Flat part 35 has prism facets 35a, outgoing plane 35b and through hole 35c.
Prism facets 35a is the face of the Z axis forward direction side of flat part 35.Prism facets 35a is provided with by X-direction and Y direction Plane it is substantially parallel.Prism facets 35a is created as guide-lighting light towards the face of outgoing plane 35b lateral reflection.Specifically, Prism facets 35a is formed with multiple prisms being recessed to Z axis negative sense.Prism is with the shape of coniform recess in the present embodiment Shape is but it is also possible to be with the shape of the recess such as pyramidal, circular cone shape, pyramid mesa-shaped, hemispherical.In addition, prism facets 35a can also Not only to reflect light, also project such as by the light of illumination ceiling.Prism facets 35a is an example at the back side.In addition, prism facets The formation of 35a can be formed by cutting, printing etc..
Outgoing plane 35b be it is planar, be the face of the Z axis negative sense side of flat part 35, be the face with prism facets 35a opposite side. Outgoing plane 35b and the plane as defined in X-direction and Y direction are substantially parallel.Outgoing plane 35b is projected for example by floor, wall The light of equal illuminations.Outgoing plane 35b is an example on surface.
Through hole 35c penetrates into always prism facets 35a from outgoing plane 35b.Multiple through hole 35c are formed in bending section 31 Side separates defined interval along Y direction and arranges.
Bearing part 8 is long size along Y direction, is the component that flat part 35 is supported on to main body mould group 20.Bearing Component 8 is configured in the side outgoing plane 35b of flat part 35.In bearing part 8, separate as defined in be alternatively arranged multiple screw holes.It is more A screw hole and multiple through hole 35c are corresponding one to one.
Screw is anchored in the screw hole of bearing part 8 by the 1st light guide plate 3 via multiple through hole 35c, thus by the 1st Light guide plate 3 is supported on host body 25.
2nd light guide plate 4 is configured in the X-axis negative sense side of multiple 1st light sources 121.The X-axis negative sense side of multiple 1st light sources 121 is An example of the other side of multiple 1st light sources 121.The ora terminalis of its X-axis negative sense side of 2nd light guide plate 4 is fixed in outer mounting cover 12, the 2 light guide plates 4 are supported in the mode substantially parallel with the plane as defined in X-direction and Y direction.2nd light guide plate 4 is in Y It is the plate of long size in axis direction, is multiple 2nd light sources of the X-axis negative sense side arrangement of comfortable multiple 1st light sources 121 in the future The optical component of 122 light guide.
The configuration of flat part 35 of 2nd light guide plate 4 is in the X-axis negative sense side of bending section 31, i.e. the X-axis negative sense side of apparatus main body 2.
In addition, about the 2nd light guide plate 4, relative to the plane as defined in Z-direction and Y direction with the 1st light guide plate 3 It symmetrically, is structure same as the 1st light guide plate 3, so other are omitted using same label in the part about same structure Explanation.It is also same for bearing part 8.
[light-blocking member]
1st light-blocking member 5 configures between the bending section 31 and multiple 1st light sources 121 of the 1st light guide plate 3, interferes from multiple The light that 1st light source 121 projects is incident to the 1st light guide plate 3.1st light-blocking member 5 is along the 1st light guide plate 3 and lens cap 23, in Y-axis It is long size on direction.The light shading that 1st light-blocking member 5 will be projected from the outer diameter face 31b of the bending section 31 of the 1st light guide plate 3.The 1 light-blocking member 5 is an example of light-blocking member.
1st light-blocking member 5 has the light reflection function for reflecting light.1st light-blocking member 5 is for example by poly terephthalic acid fourth The formation such as white resin of the non-light transmittances such as diol ester.In addition it is also possible to be applied to resin materials such as acrylic acid, polycarbonate white The resin of color and form the 1st light-blocking member 5.In addition, the 1st light-blocking member 5 also can have light diffusion function.
1st light-blocking member 5 has the 1st hood 51 and the 2nd hood 52.
1st hood 51 is long size in the Y-axis direction along the ora terminalis of the X-axis forward direction side of lens cap 23.1st hood 51 from the Z axis negative sense of the 1st light-blocking member 5, and the distribution component 120a on substrate 120 is covered.The 1st There is the caliper portion for covering distribution component 120a in hood 51.1st hood 51 is an example of hood.
In the caliper portion of the 1st hood 51, it is formed with the accommodating space 51b for accommodating distribution component 120a.Receiving is empty Between 51b can accommodate the distribution components 120a such as connector, conducting wire, be long size in the Y-axis direction.By by distribution component 120a It is housed in accommodating space 51b, so that distribution component 120a is covered by the 1st hood 51.
In the face of the Z axis negative sense side of 1st hood 51, the peripheral portion for the fastener hole 51a that secure component 19 is inserted is recessed It falls into, other parts are substantially uniform faces.
As shown in figure 4, the 1st hood 51 has the ora terminalis prominent holding section 51c outstanding along lens cap 23.At least exist In the case that 1st light-blocking member 5, the 1st light guide plate 3 and illuminating module 21 are fastened together by secure component 19, prominent holding section 51c In a manner of clipping lens cap 23 with illuminating module 21, engages with the ora terminalis of lens cap 23 and engage lens cap 23.In addition, extremely Less in the case where the 2nd light-blocking member 6, the 2nd light guide plate 4 and illuminating module 21 are fastened together by secure component 19, prominent engaging Portion 51c engages with the ora terminalis of lens cap 23 in a manner of clipping lens cap 23 with illuminating module 21 and engages lens cap 23. That is, lens cap 23 is fixed to illuminating module 21 under the pushing force of secure component 19 by prominent holding section 51c.
As shown in Figures 2 and 3, in the 1st hood 51, multiple fastener hole 51a are formed with.Multiple fastener hole 51a respectively with The notch of multiple holding sections 39 corresponds to one to one.As a result, by the way that secure component 19 is successively inserted into the tight of the 1st hood 51 Solid hole 51a, the notch of holding section 39, illuminating module 21 fastener hole in, be screwed in the screw hole of host body 25, thus by them It fastens together.
2nd hood 52 is from the Z axis negative sense of the 1st light guide plate 3, by the outer diameter face 31b of bending section 31 Covering.2nd hood 52 is long size in the Y-axis direction along bending section 31.In addition, the 2nd hood 52 is along bending section 31 Outer diameter face 31b bending.That is, the light shading that the 2nd hood 52 will be projected from outer diameter face 31b, so that light does not enter to translucent cover 7 It penetrates.2nd hood 52 reflects light, so that the light projected from outer diameter face 31b is incident to outer diameter face 31b again.In addition, the 2nd hides Light shield 52 also reflects the light projected from the 1st light source 121, to increase the light towards translucent cover 7.
2nd light-blocking member 6 configures between the bending section 31 and multiple 1st light sources 121 of the 2nd light guide plate 4, prevents from multiple The light that 1st light source 121 projects is incident to the 2nd light guide plate 4.2nd light-blocking member 6 will be from the outer diameter of the bending section 31 of the 2nd light guide plate 4 The light shading that face 31b is projected.2nd light-blocking member 6 is an example of light-blocking member.
In addition, the 2nd light-blocking member 6 about another party, is pair relative to the plane as defined in Z-direction and Y direction Claim, be structure same as the 1st light-blocking member 5, so using same label about the part for being same structure, omits it His explanation.
[translucent cover]
As shown in Fig. 2, the configuration of translucent cover 7 can be dismounted in the Z axis negative sense side of apparatus main body 2 relative to apparatus main body 2. Translucent cover 7 is the cover member for covering multiple 1st light sources 121 by lighting device 1 from Z-direction, is had The translucency that the light projected from multiple 1st light sources 121 penetrates.Translucent cover 7 is in the Y-axis direction for the rectangular-shaped of long size.Thoroughly Light shield 7 has multiple claws, and multiple claws engage with the supporting 9 for being fixed on the 1st hood 51, to be held in device master Body 2.Supporting 9 is the resin material with translucency, the 1st light-blocking member 5 and the 2nd light-blocking member 6 it is respective on be fixed with It is multiple.In the present embodiment, supporting 9 is constituted using transparent resin material, so that its bumps are not projected light transmission Cover 7.
Translucent cover 7 such as the translucent resin by acrylic acid, polycarbonate or glass etc. there is the material of translucency to constitute. Translucent cover 7 can also also have light diffusing.That is, translucent cover 7 may not be translucent cover, but there is translucency and light to spread The diffusion shell of property.In the case, translucent cover 7, which can be made into, dissipates the milky diffusion panel for having light diffusion body in inner part. Such diffusion shell can be made by the way that the translucent resin material resin for being mixed with light diffusion body is shaped to regulation shape. As light diffusion body, it is able to use the light reflectives particulate such as silicon dioxide granule.
Translucent cover 7 has the 1st translucent cover 70 and the 2nd translucent cover 80.
1st translucent cover 70 be by lighting device 1 from Z-direction in the case where outside cover member.1st translucent cover 70 be the rectangular plate-like for being in the Y-axis direction long size.1st translucent cover 70 has multiple hooking sheets (not shown), multiple lockings Piece engages the 2nd translucent cover 80, to keep the 2nd translucent cover 80.
2nd translucent cover 80 configures between the 1st translucent cover 70 and apparatus main body 2.2nd translucent cover 80 has 81 He of cover frame portion It is formed in the rake 83 of cover frame portion 81.
Cover frame portion 81 is multiple lockings with the 1st translucent cover 70 in the Y-axis direction for the framework of the rectangular plate-like of long size Piece engaging.
As shown in Figures 2 and 4, rake 83 is formed in the inner edge side of cover frame portion 81, and the Y direction along cover frame portion 81 is Long size.Rake 83 in the case where the section that observation is cut off with the plane as defined in X-direction and Z-direction, with along The mode of respective 1st hood 51 of 1st light-blocking member 5 and the 2nd light-blocking member 6 is bent into arc-shaped.
[positional relationship]
Then, through hole 35c and the positional relationship of the 2nd light source 122 are illustrated using Fig. 8.
Fig. 8 is the plan view for indicating the 1st light guide plate 3 and the 2nd light source 122 of embodiment 1.
As shown in figure 8, being formed in the through hole 35c of flat part 35 will advance in the 1st light guide plate 3 and the 2nd light guide plate 4 Light blocks.That is, guide-lighting next light advances to flat part 35 in bending section 31.At this point, a part of guide-lighting light is by through hole 35c is covered.Therefore, the shade easy to form in the 1st light guide plate 3 and the 2nd light guide plate 4.In case of such shade, then the When 1 light source 121 shines, the light projected from the outgoing plane 35b of the 1st light guide plate 3 and the 2nd light guide plate 4 generates brightness spot, and perception becomes Difference.
From this point of view, as shown in figure 8, in the present embodiment, in order to inhibit the generation of shade, by through hole Multiple 2nd light sources 122 on the periphery 35c more thickly configure.Specifically, across plane of incidence 31a and with multiple through hole 35c's At least one opposed opposed region H1, compared with non-opposed region H2, multiple 2nd light sources 122 are more thickly configured.That is, will be from A part of multiple 2nd light sources 122 that through hole 35c is configured along the y axis, being arranged more thickly configures.In this way, pass through by A part of multiple 2nd light sources 122 more thickly configures, and is shone through hole 35c brightlyer by the light that each 2nd light source 122 projects It is bright, so being easy the shadow removing that will be generated by through hole 35c.Non- opposed region H2 is between 2 adjacent opposed region H1 Region, it is not opposed with through hole 35c.
Multiple 2nd light sources 122 configured in non-opposed region H2 are arranged as, and are spaced with separate from opposed region H1 Become larger.In addition, about non-opposed region H2, due to being the region clipped by 2 opposed region H1, so in multiple 2nd light sources In 122 interval, the interval of middle is most wide, and the interval at both ends is most narrow.Therefore, in non-opposed region H2, multiple 2nd light sources 122 with separate from opposed region H1 and be spaced arrange with becoming larger, so with separate from opposed region H1 and brightness gradually becomes It is weak.As a result, by inhibiting brightness sharp to change in opposed region H1 with the boundary part of non-opposed region H2, it is suppressed that brightness Irregular is eye-catching.
[movement]
In such lighting device 1, the light projected from multiple 1st light sources 121 carries out light distribution by the lens of lens cap 23 Translucent cover 7 is controlled and penetrated, is advanced in the Z-direction of lighting device 1.In addition, from the more of Y-axis forward direction side and Y-axis negative sense side The light that a 2nd light source 122 projects is incident to the respective plane of incidence 31a of the 1st light guide plate 3 and the 2nd light guide plate 4, and in bending section 31 and flat part 35 in it is guide-lighting.In bending section 31, although being reflected at aperture surface 31c and outer diameter face 31b or from outer diameter face 31b is projected but the light reflected by the 1st light-blocking member 5 and the 2nd light-blocking member 6 is incident.Guide-lighting a part of light in flat part 35 It is reflected by prism facets 35a towards outgoing plane 35b, is projected from outgoing plane 35b.In addition, another portion guide-lighting in flat part 35 Light splitting is projected from prism facets 35a, by overhead illumination.In this way, in the lighting device 1, by being led respectively from translucent cover the 7, the 1st Tabula rasa 3 and the 2nd light guide plate 4 project light, can be by ambient illumination.
[lighting method]
Then, the lighting method of lighting device 1 is illustrated.
Fig. 5 is the plan view for indicating the lighting device 1 of embodiment 1.Fig. 6 is the lighting device 1 for indicating embodiment 1 The schematic diagram of lighting mode.
As shown in figure 5, lighting device 1, which has from the 1st light guide plate 3, projects light in the case where overlooking lighting device 1 1st injection region R1, the 2nd injection 3 light guide plate 203 of region R2, He Cong that light is projected from the 2nd light guide plate 4 project the 3rd of light and penetrate Region R3 out.In the lighting device 1, the light that region R1, the 2nd injection region R2 and the 3rd injection region R3 are projected is projected from the 1st It measures roughly equal.That is, carrying out substantially uniform shine in lighting device 1.More particularly, region R1, the 2nd are projected the 1st Project region R2 and the 3rd project region R3 it is respective in, carry out the repressed substantially uniform face of brightness spot shine, in turn, the 1st Project region R1, the 2nd injection region R2 and the 3rd projects the light that region R3 projects substantially same brightness.In order to make to penetrate from the 1st The respective light quantity that region R1, the 2nd injection region R2 and the 3rd injection region R3 are projected out is equal, and the control unit 13 of Fig. 3 controls electricity Source portion 15, the light quantity that multiple 1st light sources 121, multiple 2nd light sources 122 project become roughly equal.
In addition, the respective area that the 1st injection region R1, the 2nd injection region R2 and the 3rd project region R3 is roughly equal. The length of the length of respective Y direction and respective X-direction difference is roughly the same.
In addition, in the lighting device 1, although the 1st injection region R1, the 2nd can be made, which to project region R2 and the 3rd, projects area Domain R3 is lighted respectively, but is also able to carry out lighting of combining these regions arbitrarily.Furthermore it is possible to project region R3 for the 3rd It is divided into Y-axis forward direction side and Y-axis negative sense side, distinguishes irradiation.
The schematic diagram for the case where (a) of Fig. 6 is 1 all light of lighting device for indicating embodiment 1.Such as (a) of Fig. 3 and Fig. 6 It is shown, in the lighting device 1, if control unit 13 lights multiple 1st light sources 121 and multiple 2nd light sources 122, from the 1st Light guide plate 3, the 2nd light guide plate 4 and translucent cover 7 project light.That is, in the lighting device 1, by from the 1st light guide plate 3 and the 2nd The respective outgoing plane 35b of light guide plate 4 the corresponding 1st projects region R1 and the 2nd and projects region R2 and the injection with translucent cover 7 Face the corresponding 3rd projects region R3 and projects light, and the X-axis forward direction side of lighting device 1 is illuminated.
In addition, the brightness of illuminated object can be substantially uniform in the lighting device 1.Specifically, In (a) of Fig. 6, a part coincidence that region R1 and the 3rd projects the light that region R3 is projected is projected from the 1st, projects region from the 2nd A part that R2 and the 3rd projects the light that region R3 is projected is overlapped.In the part that these are overlapped, due to being led from the 1st light guide plate the 3, the 2nd The brightness for the light that tabula rasa 4 and translucent cover 7 project to the underface of the 1st light guide plate 3, the 2nd light guide plate 4 and translucent cover 7 than irradiating Light brightness it is low, so not being that the part that is only overlapped becomes bright.
(b) of Fig. 6 is multiple 2nd light sources in the arrangement of X-axis forward direction side in the lighting device 1 indicated embodiment 1 The schematic diagram of 122 the case where lighting.As shown in (b) of Fig. 3 and Fig. 6, in the lighting device 1, if control unit 13 makes in X-axis Multiple 2nd light sources 122 of positive side arrangement are lighted, then project light from the 1st light guide plate 3.That is, in the lighting device 1, Cong Yu The outgoing plane 35b of 1 light guide plate 3 the corresponding 1st projects region R1 and projects light, thus illuminates the X-axis forward direction side of lighting device 1.
(c) of Fig. 6 is multiple 2nd light sources in the arrangement of X-axis negative sense side in the lighting device 1 indicated embodiment 1 The schematic diagram of 122 the case where lighting.As shown in (c) of Fig. 3 and Fig. 6, in the lighting device 1, if control unit 13 makes in X-axis Multiple 2nd light sources 122 of negative sense side arrangement are lighted, then project light from the 2nd light guide plate 4.That is, in the lighting device 1, Cong Yu The outgoing plane 35b of 2 light guide plates 4 the corresponding 2nd projects region R2 and projects light, thus illuminates the X-axis negative sense side of lighting device 1.
(d) of Fig. 6 is showing for the case where multiple 1st light sources 121 in the lighting device 1 indicated embodiment 1 being lighted It is intended to.As shown in (d) of Fig. 3 and Fig. 6, in the lighting device 1, if control unit 13 makes in the multiple of X-axis negative sense side arrangement 1st light source 121 is lighted, then projects light from translucent cover 7.That is, in the lighting device 1, from corresponding with the outgoing plane of translucent cover 7 3rd, which projects region R3, projects light, thus illuminates the Z axis negative sense side of lighting device 1.
Fig. 7 is the schematic diagram for indicating the lighting mode of lighting device 1 of embodiment 1.
(a) of Fig. 7 is arranging in the lighting device 1 indicated embodiment 1 in X-axis forward direction side and X-axis negative sense side The schematic diagram for the case where multiple 2nd light sources 122 are lighted.As shown in (a) of Fig. 3 and Fig. 7, in the lighting device 1, if control Portion 13 lights multiple 2nd light sources 122 arranged in X-axis forward direction side and X-axis negative sense side, then guide-lighting from the 1st light guide plate the 3 and the 2nd Plate 4 projects light.That is, the respective outgoing plane 35b of 1 light guide plate 3 of Cong Yu and the 2nd light guide plate 4 is corresponding in the lighting device 1 The 1st project region R1 and the 2nd and project region R2 and project light, thus the X-axis forward direction side of lighting device 1 and X-axis negative sense side are shone It is bright.
(b) of Fig. 7 is multiple 2nd light sources in the arrangement of X-axis forward direction side in the lighting device 1 indicated embodiment 1 122 and multiple 1st light sources 121 the case where lighting schematic diagram.As shown in (b) of Fig. 3 and Fig. 7, in the lighting device 1, such as Fruit control unit 13 lights multiple 2nd light sources 122 and multiple 1st light sources 121 that arrange in X-axis forward direction side, then from the 1st light guide plate 3 and translucent cover 7 project light.That is, the outgoing plane 35b of 1 light guide plate 3 of Cong Yu the corresponding 1st projects area in the lighting device 1 Domain R1 and the corresponding with the outgoing plane of translucent cover 7 the 3rd projects region R3 and projects light, thus by the X-axis forward direction side of lighting device 1 And Z axis negative sense side illumination.
(c) of Fig. 7 is multiple 2nd light sources in the arrangement of X-axis negative sense side in the lighting device 1 indicated embodiment 1 122 and multiple 1st light sources 121 the case where lighting schematic diagram.As shown in (c) of Fig. 3 and Fig. 7, in the lighting device 1, such as Fruit control unit 13 lights multiple 2nd light sources 122 and multiple 1st light sources 121 that arrange in X-axis negative sense side, then from the 1st light guide plate 3 and translucent cover 7 project light.That is, the outgoing plane 35b of 2 light guide plate 4 of Cong Yu the corresponding 2nd projects area in the lighting device 1 Domain R2 and the corresponding with the outgoing plane of translucent cover 7 the 3rd projects region R3 and projects light, thus by the X-axis negative sense side of lighting device 1 And Z axis negative sense side illumination.
In this way, in the lighting device 1, by projecting the 1st injection region R1 of light from the 1st light guide plate 3, being led from the 2nd Tabula rasa 4 project light the 2nd project region R2 and project the light from multiple 1st light sources 121 the 3rd project region R3 respectively or It arbitrarily combines, can selectively distinguish irradiation.
In addition, in the lighting device 1, if control unit 13 makes multiple 1st light sources 121 of Y-axis forward direction side as kept burning day and night Lamp is lighted, then can pass light through a pair of of lens cap 23 and project from translucent cover 7.
[function and effect]
Then, the function and effect of the lighting device of present embodiment 1 are illustrated.
As described above, the lighting device 1 of present embodiment has: illuminating module 21, with long size substrate 120, In the X-direction of multiple 1st light sources 121 and the arrangement in multiple 1st light sources 121 that are arranged in the Y direction of substrate 120 Substrate 120 both ends a side and multiple 2nd light sources 122 for being arranged along Y direction of another party;1st light guide plate 3 is Long size shape is configured at a side of multiple 1st light sources 121, the 2nd light source of a part that will be arranged from a side in the X-axis direction 122 light guides projected;2nd light guide plate 4 is long size shape, is configured at another party of multiple 1st light sources 121, will be from X-axis The light guide that the 2nd light source 122 of another part of another party's arrangement on direction projects;1st light-blocking member 5, configuration is in the 1st leaded light Between plate 3 and multiple 1st light sources 121, interfere incident from the light that multiple 1st light sources 121 project to the 1st light guide plate 3;2nd shading Component 6 configures between the 2nd light guide plate 4 and multiple 1st light sources 121, interferes from the light that multiple 1st light sources 121 project to the 2nd Light guide plate 4 is incident.
For the configuration of the 1st light-blocking member 5 between the 1st light guide plate 3 and multiple 1st light sources 121, obstruction will be from multiple 1 as a result, The light that light source 121 projects is incident to the 1st light guide plate 3.In addition, the configuration of the 2nd light-blocking member 6 is in the 2nd light guide plate 4 and multiple 1st light Between source 121, interfering will be incident from the light that multiple 1st light sources 121 project to the 2nd light guide plate 4.1st light guide plate 3 is configured in X-axis One side at the both ends of the substrate 120 on direction arranges a side at the both ends of substrate 120 in the X-axis direction multiple The light guide that 2nd light source 122 projects.In addition, the both ends of the substrate 120 of the 2nd light guide plate 4 configuration in the X-axis direction is another Side, the light guide that the 2nd light source 122 for arranging the another party at the both ends of substrate 120 in the X-axis direction projects.
Therefore, it if multiple 2nd light sources 122 being arranged on a side lighted, can be projected with from the 1st light guide plate 3 Light by ambient illumination.If multiple 2nd light sources 122 being arranged on another party are lighted, can be penetrated with from the 2nd light guide plate 4 Light out is by ambient illumination.It in turn, can will be all with the light projected from translucent cover 7 if only multiple 1st light sources 121 are lighted Enclose illumination.In addition, in the lighting device 1, additionally it is possible to combine them and selectively light.That is, from the 1st light guide plate 3, 2 light guide plates 4, translucent cover 7 are able to the lighting method by selecting alone or in combination, project the light of ambient illumination.Knot 1st light guide plate 3, the 2nd light guide plate 4, translucent cover 7 can be distinguished respectively irradiation in the lighting device 1 by fruit.
Thus, it is possible to which the light emitting region of lighting device 1 is made locally to distinguish irradiation.
Even if being also not easy in particular, for example lighting only multiple 2nd light sources 122 from the 1st light guide plate 3 and the 2nd light guide plate 4 The light leakage of the 2nd light source 122 occurs.Therefore, in the case where lighting the 1st light source 121 or the 2nd light source 122, it is suppressed that from the 1st Light guide plate 3 and the 2nd light guide plate 4 project the light unnatural because of light leakage bring.In this way, due to the 1st light-blocking member 5 and the 2nd shading Component 6 inhibits the light leakage to the 1st light guide plate 3 and the 2nd light guide plate 4, so can project from the 1st light guide plate 3 and the 2nd light guide plate 4 The repressed light of brightness spot.According to such lighting device 1, it is not easy to bring sense of discomfort to user, perception is not easy to be deteriorated.
In addition, being also equipped in the lighting device 1 of present embodiment to multiple 1st light sources 121 and multiple 2nd light sources 122 The control unit 13 controlled.Also, control unit 13 selectively makes multiple 1st light sources 121, a part of 2nd light source 122 and another A part of 2nd light source 122 is lighted.
As a result, since control unit 13 selectively makes multiple 1st light sources 121, the 2nd light source 122 of a side and another party 2nd light source 122 is lighted, so according to the lighting device 1, can by the 1st light guide plate 3, the 2nd light guide plate 4, translucent cover 7 respectively into Row distinguishes irradiation.
In addition, in the case where overlooking the lighting device 1, having from the 1st in the lighting device 1 of present embodiment Light guide plate 3 projects the 1st injection region R1 of light, projects the 2nd injection 1 light source 121 of region R2, He Cong of light from the 2nd light guide plate 4 Project region R3 in project light the 3rd.Also, region R2 and the 3rd is projected from the 1st injection region R1, the 2nd and projects what region R3 was projected Light quantity is roughly equal.
It is roughly equal that the light quantity that region R1, the 2nd injection region R2 and the 3rd injection region R3 are projected is projected from the 1st as a result,. Therefore, the perception of lighting device 1 improves.
In addition, the 1st projects region R1, the 2nd injection region R2 and the 3rd projects area in the lighting device 1 of present embodiment R3 respective area in domain is roughly equal.
In the case where respective area is different, such as in order to make to project region R1, the 2nd injection region R2 and the 3rd from the 1st It is roughly equal to project the light quantity that region R3 is projected, it is necessary to the light quantity in some region be made to increase or reduce.If seen in the case Lighting device 1 is examined, then some region unevenly shines.But the 1st project region R1, the 2nd injection region R2 and the 3rd as a result, It is roughly equal to project the respective area of region R3.Therefore, the perception of lighting device 1 improves.
In addition, in the lighting device 1 of present embodiment, the 1st light-blocking member 5 and the 2nd light-blocking member 6, which have, reflects light Light reflection function.
The light that the 1st light source 121 projects as a result, is reflected by the 1st light-blocking member 5 and the 2nd light-blocking member 6, so even if holding The position that shade is easily generated because of distribution component 120a is also able to suppress the generation of such shade.In addition, even if light is from the 1st The outer diameter face 31b of the bending section 31 of light guide plate 3 and the 2nd light guide plate 4 is projected, also can be by the 1st light-blocking member 5 and the 2nd light shielding part The reflection of part 6 and it is incident to bending section 31.
In addition, in the lighting device 1 of present embodiment, about illuminating module 21, in the end side shape of illuminating module 21 At the 2nd opening portion 120b, the signal at least accepting the control of multiple 1st light sources 121 passes through the 2nd opening portion 120b.Also, one Divide the 1st light source 121 to light as altar lamp, configures on the periphery of the 2nd opening portion 120b.
For example, there is a situation where such in the case where the 2nd opening portion 120b is in the periphery of the 1st opening portion 20a, it may be assumed that Center portion is biased in the non-luminescent region that the 1st light source 121 and the 2nd light source 122 can not be configured, and non-luminescent region becomes larger.Institute With in order to inhibit the brightness spot generated by non-luminescent region, project uniform light from lighting device 1, it is necessary in the 1st opening The periphery of portion 20a and the 2nd opening portion 120b increase the density of the 2nd light source 122 or make the distribution controls mistake carried out by lens cap 23 Degree, is become difficult by the distribution controls that lens cap 23 carries out.
Therefore, by the way that the 2nd opening portion 120b to be formed in the end side of illuminating module 21, the 2nd light source 122 is not will increase The density of configuration.Further, it is necessary to be not easy the difficulty of the excessively such distribution controls of the distribution controls carried out by lens cap 23 It gets higher.
In addition, multiple 2nd light sources 122 to be adjusted to the function of altar lamp also by the operation of remote controler, in opening portion Z-direction side configured with receive remote controler send signal receiving unit 14.If will be lighted as altar lamp multiple 2 Light source 122 configures near receiving unit 14, then is not easy to bring sense of discomfort to operability.
In addition, the 1st light guide plate 3 and the 2nd light guide plate 4 are respectively provided with what light emission went out in the lighting device 1 of present embodiment The outgoing plane 35b and prism facets 35a of the outgoing plane 35b opposite side and plane of incidence 31a of light incidence.In addition, in the 1st light guide plate 3 And the 2nd light guide plate 4 the side plane of incidence 31a end, be arranged with along plane of incidence 31a from outgoing plane 35b and penetrate into prism always Multiple through hole 35c of face 35a.Also, across plane of incidence 31a and at least one opposed pair of multiple through hole 35c Region is set, multiple 2nd light sources 122 are more thickly configured compared with non-opposed region.
In this way, across plane of incidence 31a and at least one opposed opposed region of multiple through hole 35c, due to Non- opposed region is compared to multiple 2nd light sources 122 are more thickly configured, so through hole 35c is illuminated by multiple 1st light sources 121.By This, the shade formed in the case where being irradiated with the 2nd light source 122 is eliminated by the light from other the 2nd light sources 122.Cause And it is able to suppress the generation of the 1st light guide plate 3 and the shadow in the 2nd light guide plate 4 as caused by the through hole 35c of installation.Therefore, It can be improved the uniformity of the light at the respective outgoing plane 35b of the 1st light guide plate 3 and the 2nd light guide plate 4.
In addition, the 1st, which projects region R1 and the 2nd, projects region R2 relative to the 3rd in the lighting device 1 of present embodiment Region R3 is projected symmetrically to configure.
In addition, the lighting device 1 of present embodiment, which is also equipped with, carries out distribution controls to the light that multiple 1st light sources 121 project Long size shape lens cap 23.Also, the 1st light-blocking member 5 and the 2nd light-blocking member 6 have prominent along the ora terminalis of lens cap 23 Protrusion holding section 51c out.
(embodiment 2)
The structure of the lighting device 200 of present embodiment is illustrated.
Fig. 9 is the top view for indicating the 1st light guide plate 3 and the 2nd light source 122 of embodiment 2.In Fig. 9, it is omitted multiple 1st light source 121.
In the present embodiment, different from embodiment 1 on this point of being additionally provided with a pair of 3rd light guide plate 203.This Outside, the lighting device 200 of present embodiment is likewise, to identical with embodiment 1 in the case where not expressing especially Structure assigns identical label, omits the detailed description about structure.
In the embodiment 1, there are multiple 2nd light in the arranged on both sides of the X-direction of the 1st light source 121 of illuminating module 21 Source 122, but in the present embodiment, also multiple 2nd light sources 122 are also arranged in the two sides of the Y direction of the 1st light source 121.
As shown in Fig. 4 and Fig. 9, illuminating module 221 has multiple 1st light sources 121 and will be around multiple 1st light source 121 Surround multiple 2nd light sources 122 of ground arrangement.
The 3rd light guide plate 203 configuration of side is configured in the Y-axis forward direction side of apparatus main body 2, the 3rd light guide plate 203 of the other side In the Y-axis negative sense side of apparatus main body 2.1st light guide plate 3, the 2nd light guide plate 4 and a pair of 3rd light guide plate 203 are in the case where vertical view It will surround and configure around multiple 1st light sources 121.3rd light guide plate 203 of side make multiple 1st light sources 121 Y-axis just The light guide of multiple 2nd light sources 122 of the one side arrangement at the both ends of upward substrate 120, which is gone out.In addition, another It is more that 3rd light guide plate 203 of side arranges a side at the both ends of the substrate 120 on the Y-axis negative sense of multiple 1st light sources 121 The light guide of a 2nd light source 122, which is gone out.
3rd light guide plate 203 is fixed in outer mounting cover 12, is supported to and the plane as defined in X-direction and Y direction It is substantially parallel.3rd light guide plate 203 is substantially rectangular plate, is the light guide of the 2nd light source 122 of comfortable Y direction side arrangement in the future The optical component of light.3rd light guide plate 203 is the component of the translucency such as the resins such as acrylic acid, polycarbonate or glass, but as long as having Translucency is formed by other what kind of materials and is ok.In addition, the shape of the 1st light guide plate 3 be not limited to it is rectangular-shaped, can also be with Be it is discoid, be also possible to the other shapes such as multilateral shape.3rd light guide plate 203 and the 1st light guide plate 3 and the 2nd light guide plate 4 in addition to Other than shape difference, other structures are likewise, so the description thereof will be omitted.
In such lighting device 200, in addition to region R2 and the 3rd is projected in the 1st injection region R1 of embodiment 1, the 2nd Other than the differentiation irradiation for projecting region R3, additionally it is possible to which a pair of 3rd light guide plate 203 is distinguished irradiation.In addition it is also possible to selectively Region R1 is projected by the 1st, the 2nd region R2 and the 3rd is projected and projects region R3, the injection region of the 3rd light guide plate 203 of a side and another It combines and lights in the injection region of the 3rd light guide plate 203 of one side.
[function and effect]
Then, the function and effect of the lighting device of present embodiment 200 are illustrated.
As described above, in the lighting device of present embodiment 200, a pair of 3rd light guide plate 203, a pair are also equipped with One side at the both ends of substrate 120 of the 3rd light guide plate 203 configuration in the Y direction of the arrangement of multiple 1st light sources 121 and another One side.In addition, illuminating module 221 also has the both ends of the substrate 120 in the Y direction that multiple 1st light sources 121 arrange Multiple 2nd light sources 122 of one side and another party's arrangement.Also, a pair of 3rd light guide plate 203 will be from the both ends in substrate 120 The light guide that multiple 2nd light sources 122 of one side and another party's arrangement project.
In this way, a side and another party at the both ends due to the substrate 120 also in the Y direction of multiple 1st light sources 121 Multiple 2nd light sources 122 are arranged, so multiple 2nd light sources 122 will be surrounded around multiple 1st light sources 121 and be arranged.Therefore, energy It is enough to configure the 3rd light guide plate 203 with surrounding around multiple 1st light sources 121, thus can by around lighting device 200 more It evenly illuminates.
Other function and effect of present embodiment also function to function and effect same as embodiment 1.
(other variations etc.)
More than, be illustrated based on 1,2 pair of the utility model of embodiment, but the utility model be not limited to it is above-mentioned Embodiment 1,2.
For example, the lighting device of above embodiment 1,2 can also also have loudspeaker.Loudspeaker can pass through Wi-Fi The wireless near field communications such as (registered trademark), bluetooth (registered trademark) receive voice signal from external device (ED), and output is based on The sound of voice signal.In this case as well, it is possible to by the antenna configuration of loudspeaker in main body mould group.
In addition, the lighting device of above embodiment 1,2 is not limited to rectangular-shaped, it such as can also be big in vertical view Circle is caused, shape is not specially limited.In the case, multiple 1st light sources can be when overlooking illuminating module in substantially round Shape etc. configures.In addition, multiple 2nd light sources can also surround multiple 1st light sources to configure.
In addition, the lighting device of above embodiment 1,2 is not limited to a pair of of light guide plate, it is also possible to a piece of leaded light Plate is also possible to the light guide plate of three pieces or more.In turn, light guide plate is also possible to the ring bodies for surrounding apparatus main body.
In addition, in the lighting device of above embodiment 1,2, control unit can also can will project region, the from the 1st The dimming level for the light that 2 injection regions and the 3rd injection region are projected and horizontal control of toning are roughly the same.
In addition, in the lighting device of above embodiment 1,2, light guide plate around apparatus main body configured with multiple, It may also be when overlooking lighting device by the light guide plate for the frame-shaped surrounded around apparatus main body.That is, light guide plate can also be with It is 1.
Form obtained from the various modifications in addition to this, expected for the implementation those skilled in the art of embodiment 1,2, And arbitrarily combining the constituent element of embodiment 1,2 and function in the range of not departing from the purport of the utility model The form of realization is also contained in the utility model.

Claims (10)

1. a kind of lighting device, which is characterized in that have:
Illuminating module, substrate, multiple 1st light sources for being arranged in the longer direction of aforesaid substrate with strip and upper The side and another party for stating the both ends of the aforesaid substrate on the shorter direction of the arrangement of multiple 1st light sources are along above-mentioned more rectangular To multiple 2nd light sources of arrangement;
1st light guide plate is strip, configures the one side in above-mentioned multiple 1st light sources, will be from being arranged in above-mentioned shorter direction On one side on the 2nd light source of a part project light guide;
2nd light guide plate is strip, configures above-mentioned another party in above-mentioned multiple 1st light sources, will be from being arranged in above-mentioned shorter side The light guide that the 2nd light source of another part on upward above-mentioned another party projects;
1st light-blocking member configures between above-mentioned 1st light guide plate and above-mentioned multiple 1st light sources, interferes from above-mentioned multiple 1st light The light that source is projected is incident to above-mentioned 1st light guide plate;And
2nd light-blocking member configures between above-mentioned 2nd light guide plate and above-mentioned multiple 1st light sources, interferes from above-mentioned multiple 1st light The light that source is projected is incident to above-mentioned 2nd light guide plate.
2. lighting device as described in claim 1, which is characterized in that
It is also equipped with the control unit for controlling above-mentioned multiple 1st light sources and above-mentioned multiple 2nd light sources;
Above-mentioned control unit selectively makes above-mentioned multiple 1st light sources, the 2nd light of above-mentioned a part of 2nd light source and above-mentioned another part Source point is bright.
3. lighting device as claimed in claim 1 or 2, which is characterized in that
In the case where overlooking the lighting device, has and project the 1st of light from above-mentioned 1st light guide plate and project region, from the above-mentioned 2nd Light guide plate, which projects the 2nd injection region of light and projects the 3rd of light from above-mentioned 1st light source, projects region;
It is roughly equal that the light quantity that region, above-mentioned 2nd injection region and above-mentioned 3rd injection region are projected is projected from the above-mentioned 1st.
4. lighting device as claimed in claim 3, which is characterized in that
Above-mentioned 1st injection region and above-mentioned 2nd injection region are symmetrically configured relative to above-mentioned 3rd injection region.
5. lighting device as claimed in claim 4, which is characterized in that
It is roughly equal that the respective area in region is projected in above-mentioned 1st injection region, above-mentioned 2nd injection region and the above-mentioned 3rd.
6. lighting device as claimed in claim 1 or 2, which is characterized in that
Above-mentioned 1st light-blocking member and above-mentioned 2nd light-blocking member are respectively provided with the light reflection function for reflecting light.
7. lighting device as claimed in claim 1 or 2, which is characterized in that
Above-mentioned illuminating module is formed with opening portion, which is formed in the end side of above-mentioned illuminating module, at least accepts above-mentioned The signal of the control of multiple 1st light sources passes through the opening portion;
A part of 1st light source is lighted as altar lamp, is configured in the periphery of above-mentioned opening portion.
8. lighting device as claimed in claim 1 or 2, which is characterized in that
Above-mentioned 1st light guide plate and above-mentioned 2nd light guide plate be respectively provided with the surface that light emission goes out, with the back side of above-mentioned surface opposite side, With the plane of incidence of light incidence;
In the end of the respective above-mentioned incident surface side of above-mentioned 1st light guide plate and above-mentioned 2nd light guide plate, arranged along the above-mentioned plane of incidence Show the multiple through holes for penetrating into the above-mentioned back side always from above-mentioned surface;
Across the above-mentioned plane of incidence and at least one opposed opposed region of above-mentioned multiple through holes, with non-opposed region phase Than above-mentioned multiple 2nd light sources are more thickly configured.
9. lighting device as claimed in claim 1 or 2, which is characterized in that
It is also equipped with a pair of 3rd light guide plate, the longer direction for the arrangement which configured in above-mentioned multiple 1st light sources On aforesaid substrate both ends a side and another party;
Above-mentioned illuminating module also has the both ends of the aforesaid substrate in the longer direction of the arrangement of above-mentioned multiple 1st light sources Multiple 2nd light sources arranged on one side and another party;
Multiple 2nd light sources that above-mentioned a pair of 3rd light guide plate will be arranged from a side at the both ends in aforesaid substrate and another party The light guide of injection.
10. lighting device as claimed in claim 1 or 2, which is characterized in that
It is also equipped with the lens cap that the strip of distribution controls is carried out to the light that above-mentioned multiple 1st light sources project;
Above-mentioned 1st light-blocking member and above-mentioned 2nd light-blocking member have the ora terminalis prominent holding section outstanding along said lens cover.
CN201821017379.7U 2017-07-10 2018-06-29 Lighting device Active CN208703647U (en)

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