CN104482437B - A kind of illuminator - Google Patents
A kind of illuminator Download PDFInfo
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- CN104482437B CN104482437B CN201410769108.7A CN201410769108A CN104482437B CN 104482437 B CN104482437 B CN 104482437B CN 201410769108 A CN201410769108 A CN 201410769108A CN 104482437 B CN104482437 B CN 104482437B
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- light source
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- illuminator
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- 238000002834 transmittance Methods 0.000 claims abstract description 58
- 230000003287 optical effect Effects 0.000 claims abstract description 40
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000009792 diffusion process Methods 0.000 claims description 61
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
nullThe invention discloses a kind of illuminator,Including LED light source、And the light sending LED light source carries out the optical element of optical treatment,First group of light source that described LED light source includes the center that is distributed in and the second group of light source being positioned at around first group of light source,Described optical element includes hollow light guide section and the transmittance section being connected with described light guide section,The middle part of described light guide section forms cavity,Described light guide section is positioned at the top of described second group of light source,The light of second group of light source again by described transmittance section penetrates described illuminator after leaded light by described light guide section on a first direction,The some light of described first group of light source by finally penetrating described illuminator from described transmittance section after the cavity of described light guide section,Another part light of described first group of light source upwardly through described light guide section and penetrates described illuminator in a second party,Angle is formed between described second direction and described first direction.
Description
[technical field]
The present invention relates to a kind of illuminator, especially LED light device.
[background technology]
Along with the application of LED, the outward appearance of illuminator can be designed that increasing shape the profile presenting more different-effect and light efficiency.The structure that traditional light fixture or light source usually housing combines with optical mask, along with the development of technology, has some light fixtures or illumination component to pursue effect attractive in appearance, also begins to apply light guide plate or light-guiding pillar to realize lighting effects attractive in appearance.Chinese patent application discloses No. CN103117114A, disclose a kind of scene mask and landscape lighting device, it includes the view light source in mask shell and described mask shell, and described view light source includes the LED light source of at least one color, by controlling the LED light source of different colours luminescence simultaneously or partially in view light source, thus different landscape ornamental effect can be provided according to different landscape device demands.
But, along with the requirement of illumination apparatus is more and more higher, we start to pursue convenient for production, be simple to manufacture, easy for installation, the modularity illuminator that is easily changed.And the illuminator structure with aesthetic of the prior art cannot adapt to modular needs.
Therefore, in order to overcome drawbacks described above, it is necessary to provide the illuminator of a kind of improvement.
[summary of the invention]
It is an object of the invention to provide a kind of illuminator.
nullTo achieve these goals,The present invention adopts the following technical scheme that a kind of illuminator,Including LED light source、And the light sending LED light source carries out the optical element of optical treatment,First group of light source that described LED light source includes the center that is distributed in and the second group of light source being positioned at around first group of light source,Described optical element includes hollow light guide section and the transmittance section being connected with described light guide section,The middle part of described light guide section forms cavity,Described light guide section is positioned at the top of described second group of light source,The light of second group of light source again by described transmittance section penetrates described illuminator after leaded light by described light guide section on a first direction,The some light of described first group of light source by finally penetrating described illuminator from described transmittance section after the cavity of described light guide section,Another part light of described first group of light source upwardly through described light guide section and penetrates described illuminator in a second party,Angle is formed between described second direction and described first direction.
Preferably, described light guide section lengthwise in a first direction extends, described transmittance section extends at second direction lengthwise, described transmittance section width ratio in a second direction width width in a first direction, described light guide section width ratio in a first direction width width in a second direction.
Preferably, light guide section and the transmittance section of described optical element are one-body molded, and described transmittance section is extended from described light guide section.
Preferably, the light guide section of described optical element is externally cylindrical, has at least one cross section for annular.
Preferably, first group of light source and second group of light source of described LED light source is generally aligned in the same plane.
Preferably, described illuminator also includes that housing, described housing have host cavity, and described LED light source is positioned in the host cavity of described housing thus is fixed on described housing, and described optical element is connected with described housing.
Preferably, described illuminator also includes the diffusion layer of annular, and the light of second group of light source, between described second group of light source and described light guide section, is played diffusion by described diffusion layer.
Preferably, described illuminator also includes that support component, described housing and described support component form the first reflection cavity and the second reflection cavity, and described cavity connects described first reflection cavity, described light guide section or described diffusion layer and connects described second reflection cavity.
Preferably, described diffusion layer is the diffuser plate being positioned in the host cavity of described housing, is positioned at the light inlet of described light guide section.
Preferably, described illuminator also includes support component, described support component is fixed on the bottom of the host cavity of described housing, there is the reflecting part of a hollow, the sidewall of described reflecting part surrounds the annular of closing, thus forming a cavity, described first group of light source is positioned at the inner side of described reflecting part, and described second group of light source is positioned at the outside of described reflecting part.
Preferably, described reflecting part is the cylinder of hollow, and its outer wall has the supporting part of step, and the inside of described housing sidewall has step-like supporting walls, and described supporting part is corresponding with supporting walls position, and common support fixes described diffusion layer.
Preferably, described support component also includes the base with opening, and described base is connected with described reflecting part, and described opening at least includes that the first opening being positioned at inside described reflecting part, described first group of light source are positioned at described first opening part.
Preferably, described base is annular, the maximum gauge of described bottom is more than the maximum gauge of described reflecting part, including the Part I being positioned within described reflecting part and be positioned at the Part II outside described reflecting part, described first opening is positioned at described Part I, the inwall of described Part I and reflecting part forms the first reflection cavity, and the some light of described first group of light source is by optical element described in directive after the reflection of described first reflection cavity.
Preferably, described Part II also includes some second openings, described second group of light source is corresponding with described second opening, and it is positioned at described second opening one to one, described Part II, the outer wall of reflecting part and described housing form the second reflection cavity, and the some light of second group of light source is through diffusion layer described in the reflection mixed light of described second reflection cavity and directive.
Preferably, described illuminator also includes that diffusion part, described diffusion part are positioned in the cavity of described light guide section or the cavity of described support member, the light of described first group of light source processed by described diffusion part after transmittance section described in directive again.
It is preferably located at the described diffusion part of described cavity separately formed and be fixed on described transmittance section, or one-body molded with described transmittance section, or be formed at again on described transmittance section after the molding of described transmittance section.
Preferably, described diffusion part is dish, including circular pedestal and extend from described pedestal, diameter gradually expands and smooth extension, described diffusion part has some fins towards the surface of described transmittance section.
Preferably, described fin is curved.
Preferably, described diffusion part also includes becket, and described becket is between described diffusion part and described transmittance section, and is positioned at the junction of described pedestal and extension.
Preferably, described transmittance section is cylinder, and the maximum gauge of described transmittance section is less than described light guide section height in a first direction more than the maximum gauge of described light guide section, described transmittance section height in a first direction.
Compared to prior art, illuminator of the present invention has the advantage that optical effect can be diversified, attractive in appearance, and simple in construction, manufacture, easy for installation.
[accompanying drawing explanation]
Fig. 1 is the side view of illuminator of the present invention.
Fig. 2 is the three-dimensional exploded view of illuminator of the present invention.
Fig. 3 is the sectional view of illuminator of the present invention.
[detailed description of the invention]
Refer to shown in Fig. 1 to Fig. 3, a kind of illuminator 1 of present pre-ferred embodiments, the optical element 12 of optical treatment is carried out including LED light source 11 and light that LED light source 11 is sent.First group of light source 111 that LED light source 11 includes the center that is distributed in and the second group of light source 112 being positioned at around first group of light source 111, optical element 12 includes hollow light guide section 120 and the transmittance section 121 being connected with light guide section 120.The middle part of light guide section 120 forms cavity 123, and light guide section 120 is positioned at the top of second group of light source 112.The light of second group of light source 112 again by transmittance section 121 penetrates illuminator 1 after leaded light by light guide section 120 on a first direction.The some light of first group of light source 111 is by finally penetrating illuminator 1 from transmittance section 121 after the cavity 123 of light guide section 120, another part light of first group of light source 111 upwardly through light guide section 120 and penetrates illuminator 1 in a second party, forms angle between second direction and first direction.In the present embodiment, first direction is vertical direction, and the angle between second direction and first direction is more than zero degree less than 180 degree, and the i.e. first group at least part of light of light source 111 penetrates illuminator 1 in the side of non-vertical upwardly through light guide section 120.The illuminator 1 of the present invention has at least two group light sources makes these two groups of light sources form different optical effects in end face and the side of optical element 12 by optical element 12, so that the optical effect of illuminator 1 can be diversified, attractive in appearance, and simple in construction, manufacture, easy for installation.For example, it is possible to second group of light source 112 is set to color light source etc..
Optical element 12 is made of clear material, and the face of local can be had to be frosting or have diffuse-reflectance layer so that optical element 12 is overall sparkling and crystal-clear penetrating, is externally the overall transparent body.
In the present embodiment, first direction is vertical direction, and second direction is horizontal direction, and first direction is perpendicular to second direction.In other embodiments, first direction can also be other angles with second direction.
The light guide section 120 of optical element 12 is externally cylindrical, has at least one cross section for annular.In the present embodiment, light guide section 120 cross section in a second direction is annular, and the light of first group of light source 111 is through the sidewall injection light guide section 120 of annular.In other embodiments, light guide section 120 can also be designed as other column structures or irregular shape as required.
Transmittance section 121 is in cylinder, and the maximum gauge of transmittance section 121 is less than light guide section 120 height in a first direction more than the maximum gauge of light guide section 120, transmittance section 121 height in a first direction.The opposing bottom surface in transmittance section 121 of light guide section 120 has some fins (not shown), and fin is uniformly distributed in the bottom surface of light guide section 120.Fin enables to illuminator 1 in terms of direction, transmittance section 121 and has the effect of shadow of rib one rib, in other embodiments, it is also possible to be not provided with fin as required.
Light guide section 120 lengthwise in a first direction extends, and transmittance section 121 extends at second direction lengthwise, transmittance section 121 width ratio in a second direction width width in a first direction, light guide section 120 width ratio in a first direction width width in a second direction.In the present embodiment, light guide section 120 and the transmittance section 121 of optical element 12 are one-body molded, and transmittance section is extended from described light guide section, and externally, optical element 12 is rivet shape so that optical element 12 is handsome in appearance.
First group of light source 111 and second group of light 112 source of LED light source 11 are generally aligned in the same plane.First group of light source 111 and second group of light source 112 are arranged at same plane so that first group of light source 111 and second group of light source 112 may be integrally incorporated on same light source plate, convenient manufacture, installation.In other embodiments, even if first group of light source 111 and second group of light source 112 can also be arranged at Different Plane or be generally aligned in the same plane, it is also possible to be positioned on different light source boards.
Illuminator 1 also includes that housing 13, housing 13 have host cavity 131, and LED light source 11 is positioned in the host cavity 131 of housing 13 thus is fixed on housing 13, and optical element 12 is connected with housing 13 thus is assembled integrally with housing 13.In the present embodiment, LED light source 11 is fixed on bottom housing 13.
Illuminator 1 also includes the diffusion layer 14 of annular, and the light of second group of light source 112, between second group of light source 112 and light guide section 12, is played diffusion by diffusion layer 14.Diffusion layer 14 is prevented from dazzle and the granular sensation that second group of light source 112 produces.In the present embodiment, diffusion layer 14 is the diffuser plate being positioned in the host cavity 131 of housing 13, and diffuser plate is fixed in housing 13.In other embodiments, diffusion layer 14 can also be the frosting of optical element 12, or direct spraying diffuse-reflective material layer on optical element 12 or be made up of diffusion film.Diffuser plate in the present embodiment, more convenient installation, and optical element 12 can be played certain supporting role.
Illuminator 1 also includes support component 15, support component 15 is fixed in the host cavity 131 of housing 13 and is positioned at the top of the light source board of LED light source, there is the reflecting part 151 of a hollow, the sidewall of reflecting part 151 surrounds the annular of closing, thus form cavity 152, first group of light source 111 is positioned at the inner side of reflecting part 151, and second group of light source 112 is positioned at the outside of reflecting part 151.In the present embodiment, reflecting part 151 is the cylinder of hollow, and its outer wall has the supporting part 153 of step, and the inside of housing 13 sidewall has step-like supporting walls (not shown), and supporting part 153 is corresponding with supporting walls position, and common support fixes diffusion layer 14.The arranging of the supporting walls of housing 13 can make fixing more firm of diffusion layer 14, in other embodiments, can be not provided with supporting walls as required, or fix diffusion layer 14 by other means.Further, when diffusion layer 14 be direct spraying on optical element 12 time, it is also possible to be not provided with supporting part 153 and supporting walls.In the present embodiment, the lower end of light guide section 120, between reflecting part 151 and housing 13, can also change the position relationship between fixed position and light guide section 120 lower end, reflecting part 151 and the housing 13 of light guide section 120 as required in other embodiments.
Support component 15 also includes the base 154 with opening 155, and base 154 is connected with reflecting part 151.Base 154 is for the most fixing support component 15.Opening 155 at least includes the first opening 1550 being positioned at reflecting part 151 middle inside, and first group of light source 111 is positioned at the first opening 1550, and the some light of first group of light source 111 is by directive optical element 12 after reflecting part 151 reflection.In the present embodiment, base 154 is annular, the maximum gauge of base 154 is more than the maximum gauge of reflecting part 151, including the Part I 1540 being positioned within reflecting part 151 be positioned at the Part II 1542 outside reflecting part 151, the first opening 1550 is positioned at Part I 1540.The inwall of Part I 1540 and reflecting part 151 forms the first reflection cavity 20, and the cavity 123 of optical element 12 is connected with the first reflection cavity 20, and the some light of first group of light source 11 is by directive optical element 12 after the reflection of the first reflection cavity 20.
Part II 1542 also includes some second openings 1552, second group of light source 112 is corresponding with the second opening 1552, and be positioned at one to one in the second opening 1552, Part II 1542, the outer wall of reflecting part 151 and housing 13 form the second reflection cavity 21, light guide section 120 or diffusion layer 14 are connected with the second reflection cavity 21, in the present embodiment, diffusion layer 14 is connected with the second reflection cavity 21, and the some light of second group of light source 112 is through the reflection mixed light of the second reflection cavity 21 and directive diffusion layer 14.When first group of light source 111 and second group of light source 112 are positioned at same light source plate 113, base 154 is close to light source board 113 thus is preferably fixed support component 15.
Illuminator 1 also includes that diffusion part 16, diffusion part 16 are positioned in the cavity 123 of light guide section 120 or the cavity 152 of support member 15, the light of first group of light source 111 processed by diffusion part 16 after directive transmittance section 121 again.In the present embodiment, diffusion part 16 is positioned in cavity 123, on the one hand the some light making first group of light source 111 can transmit from light guide section 120 before diffusion, and another part light directive transmittance section 121 again after diffusion part 16, thus both met the penetrating sense of illuminator 1 entirety, when making again illuminator 1 in terms of side, transmittance section 121, do not have dazzle.
In the present embodiment, diffusion part 16 is separately formed and is fixed on transmittance section 121.In the present embodiment, diffusion part 16 sticks in transmittance section 121, and in other embodiments, diffusion part 16 can also be fixed on transmittance section 121 by additive method.Diffusion part 16 in dish, including circular pedestal 161 and extend from pedestal 161, diameter gradually expands and smooth extension 162, diffusion part 16 has some fins 163 to produce special light efficiency towards the surface of transmittance section 121.Fin 163 is curved.In other embodiments, diffusion part 16 can also be one-body molded with transmittance section 121, or directly frosting is made in the side in the face of cavity 123 of transmittance section 121, or direct spraying diffuse-reflective material is on transmittance section 121, and fin 163 is it can also be provided that other shapes or be not provided with.
Diffusion part 16 also include becket (not shown) to produce special light efficiency, becket is between diffusion part 16 and transmittance section 121, and is positioned at pedestal 161 and the junction of extension 162.In other embodiments, diffusion part becket can be not provided with as required or other elements producing special light efficiency are set.
Illuminator 1 also includes diffusion film 17, and diffusion film 17 is rectangular, is attached at the inner side of the sidewall of light guide section 120.In other embodiments, it is also possible to directly the inner side of light guide section 120 sidewall is made frosting or one layer of diffuse-reflective material of spraying.
Should be noted that, embodiments of the invention have preferably implementation, and not the present invention is made any type of restriction, any one skilled in the art changes possibly also with the technology contents of the disclosure above or is modified to effective embodiment of equivalent, in every case without departing from the content of technical solution of the present invention, the any amendment made above example according to the technical spirit of the present invention or equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (20)
- null1. an illuminator,Including LED light source、And the light sending LED light source carries out the optical element of optical treatment,First group of light source that described LED light source includes the center that is distributed in and the second group of light source being positioned at around first group of light source,Described optical element includes hollow light guide section and the transmittance section being connected with described light guide section,The middle part of described light guide section forms cavity,Described light guide section is positioned at the top of described second group of light source,Define a first direction,Described first direction is vertical direction,The light of second group of light source again by described transmittance section penetrates described illuminator after leaded light by described light guide section on a first direction,The some light of described first group of light source by finally penetrating described illuminator from described transmittance section after the cavity of described light guide section,Another part light of described first group of light source upwardly through described light guide section and penetrates described illuminator in a second party different from described first direction,Angle is formed between described second direction and described first direction.
- 2. illuminator as claimed in claim 1, it is characterized in that: described light guide section lengthwise in a first direction extends, described transmittance section extends at second direction lengthwise, described transmittance section width ratio in a second direction width width in a first direction, described light guide section width ratio in a first direction width width in a second direction.
- 3. illuminator as claimed in claim 1, it is characterised in that: light guide section and the transmittance section of described optical element are one-body molded, and described transmittance section is extended from described light guide section.
- 4. illuminator as claimed in claim 1, it is characterised in that: the light guide section of described optical element is externally cylindrical, has at least one cross section for annular.
- 5. illuminator as claimed in claim 1, it is characterised in that: first group of light source and second group of light source of described LED light source are generally aligned in the same plane.
- 6. illuminator as claimed in claim 1, it is characterized in that: described illuminator also includes housing, described housing has host cavity, and described LED light source is positioned in the host cavity of described housing thus is fixed on described housing, and described optical element is connected with described housing.
- 7. illuminator as claimed in claim 6, it is characterised in that: described illuminator also includes the diffusion layer of annular, and the light of second group of light source, between described second group of light source and described light guide section, is played diffusion by described diffusion layer.
- 8. illuminator as claimed in claim 7, it is characterized in that: described illuminator also includes support component, described housing and described support component form the first reflection cavity and the second reflection cavity, described cavity connects described first reflection cavity, described light guide section or described diffusion layer and connects described second reflection cavity.
- 9. illuminator as claimed in claim 7, it is characterised in that: described diffusion layer is the diffuser plate being positioned in the host cavity of described housing, is positioned at the light inlet of described light guide section.
- 10. illuminator as claimed in claim 9, it is characterized in that: described illuminator also includes support component, described support component is fixed on the bottom of the host cavity of described housing, there is the reflecting part of a hollow, the sidewall of described reflecting part surrounds the annular of closing, thus forming a cavity, described first group of light source is positioned at the inner side of described reflecting part, and described second group of light source is positioned at the outside of described reflecting part.
- 11. illuminators as claimed in claim 10, it is characterized in that: described reflecting part is the cylinder of hollow, its outer wall has the supporting part of step, and the inside of described housing sidewall has step-like supporting walls, described supporting part is corresponding with supporting walls position, and common support fixes described diffusion layer.
- 12. illuminators as claimed in claim 11, it is characterized in that: described support component also includes the base with opening, described base is connected with described reflecting part, and described opening at least includes that the first opening being positioned at inside described reflecting part, described first group of light source are positioned at described first opening part.
- 13. illuminators as claimed in claim 12, it is characterized in that: described base is annular, the maximum gauge of described bottom is more than the maximum gauge of described reflecting part, including the Part I being positioned within described reflecting part and be positioned at the Part II outside described reflecting part, described first opening is positioned at described Part I, the inwall of described Part I and reflecting part forms the first reflection cavity, and the some light of described first group of light source is by optical element described in directive after the reflection of described first reflection cavity.
- 14. illuminators as claimed in claim 13, it is characterized in that: described Part II also includes some second openings, described second group of light source is corresponding with described second opening, and it is positioned at described second opening one to one, described Part II, the outer wall of reflecting part and described housing form the second reflection cavity, and the some light of second group of light source is through diffusion layer described in the reflection mixed light of described second reflection cavity and directive.
- 15. illuminators as claimed in claim 10, it is characterized in that: described illuminator also includes diffusion part, described diffusion part is positioned in the cavity of described light guide section or the cavity of described support component, the light of described first group of light source processed by described diffusion part after transmittance section described in directive again.
- 16. illuminators as claimed in claim 15, it is characterised in that: it is positioned at the described diffusion part of described cavity separately formed and be fixed on described transmittance section, or one-body molded with described transmittance section.
- 17. illuminators as claimed in claim 15, it is characterized in that: described diffusion part is dish, including circular pedestal and extend from described pedestal, diameter gradually expands and smooth extension, described diffusion part has some fins towards the surface of described transmittance section.
- 18. illuminators as claimed in claim 17, it is characterised in that: described fin is curved.
- 19. illuminators as claimed in claim 17, it is characterised in that: described diffusion part also includes becket, and described becket is between described diffusion part and described transmittance section, and is positioned at the junction of described pedestal and extension.
- 20. illuminators as claimed in claim 1, it is characterized in that: described transmittance section is cylinder, the maximum gauge of described transmittance section is less than described light guide section height in a first direction more than the maximum gauge of described light guide section, described transmittance section height in a first direction.
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CN108957621A (en) * | 2018-09-12 | 2018-12-07 | 东莞通华液晶有限公司 | A kind of annular light guide plate and automobile instrument mould group |
CN110145722B (en) * | 2019-05-14 | 2024-04-09 | 德清阳瑞光学科技有限公司 | Dust cover for optical instrument |
CN112032612A (en) * | 2020-09-21 | 2020-12-04 | 欧普照明股份有限公司 | Lamp set |
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JP4995997B2 (en) * | 2010-09-29 | 2012-08-08 | パナソニック株式会社 | lamp |
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