CN106090651A - Diffuse-reflectance lamp panel - Google Patents
Diffuse-reflectance lamp panel Download PDFInfo
- Publication number
- CN106090651A CN106090651A CN201610650413.3A CN201610650413A CN106090651A CN 106090651 A CN106090651 A CN 106090651A CN 201610650413 A CN201610650413 A CN 201610650413A CN 106090651 A CN106090651 A CN 106090651A
- Authority
- CN
- China
- Prior art keywords
- plane
- incidence
- exit facet
- light source
- spreadlight lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
-
- 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
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of diffuse-reflectance lamp panel, relates to technical field of lamps, and solved is the technical problem that existing lamp panel structure is heavy and optical efficiency is poor.This lamp panel includes lampshade, light source, and the inner wall lower of lampshade is provided with upwards open light source containing groove, is provided with spreadlight lens in light source containing groove；Spreadlight lens has first plane of incidence, second plane of incidence, fully reflecting surface, the first exit facet, the second exit facet；First plane of incidence and second plane of incidence are positioned at bottom spreadlight lens, and these two planes of incidence constitute a downward opening V-arrangement sunk structure；Light source is laid between first plane of incidence, second plane of incidence；Light source constitutes two light paths with spreadlight lens；Article 1, light path injects spreadlight lens from first plane of incidence, then from the first exit facet injection after fully reflecting surface reflects；Article 2 light path penetrates from the second exit facet after second plane of incidence injects spreadlight lens.The lamp panel that the present invention provides, surface brightness is evenly distributed, soft.
Description
Technical field
The present invention relates to lamp technology, particularly relate to the technology of a kind of diffuse-reflectance lamp panel.
Background technology
The optical implementation of general flat lamp has two kinds, and one is to use side luminous light guide plate, and this implementation is deposited
In the defect that structure bulky and optical efficiency are low；Another kind is that the LED array using straight-down negative coordinates diffuser plate, this realization
Mode also exists the defect that surface brightness uniformity is low, and optical effect is poor.
Summary of the invention
For defect present in above-mentioned prior art, the technical problem to be solved is to provide a kind of structure
Gently, surface brightness is evenly distributed, soft, the diffuse-reflectance lamp panel that optical efficiency is high.
In order to solve above-mentioned technical problem, a kind of diffuse-reflectance lamp panel provided by the present invention, including lampshade, light source, it is special
Levy and be:
Described lampshade is the most open cover body, and the inner wall lower of lampshade is provided with upwards open light source containing groove, and light source holds
It is provided with spreadlight lens in putting groove；
Described spreadlight lens has first plane of incidence, second plane of incidence, fully reflecting surface, the first exit facet, the second exit facet；Its
In, first plane of incidence and second plane of incidence are positioned at bottom spreadlight lens, and first plane of incidence is convex surface or plane, and second plane of incidence is
Angle between convex surface or plane, and first plane of incidence and second plane of incidence is less than 90 degree so that first plane of incidence and second
The plane of incidence constitutes a downward opening V-arrangement sunk structure；Fully reflecting surface is positioned at the offside of first plane of incidence, and fully reflecting surface
The upper surface of spreadlight lens is constituted against lampshade inwall, the first exit facet and the second exit facet；
Described light source is arranged in the light source containing groove of lampshade, and is laid in first plane of incidence of spreadlight lens, second enters
Penetrate between face；
Described light source constitutes two light paths with spreadlight lens；Article 1 light path therein is from light source, first through first plane of incidence
Inject spreadlight lens, then from the first exit facet injection after fully reflecting surface reflects；Article 2 light path, from light source, enters through second
The face of penetrating is penetrated from the second exit facet after injecting spreadlight lens.
Further, described first plane of incidence, the upper edge of second plane of incidence engage；Described fully reflecting surface is vertical plane, institute
Stating the first exit facet is the inclined-plane tilted from top to bottom, and the second exit facet is the curved surface of convex bending from top to bottom, and first goes out
The upper edge of the upper edge and fully reflecting surface of penetrating face engages, and the upper edge of the second exit facet connects with the lower edge of the first exit facet
Close.
Further, the angle between beam projecting direction and the vertical curve of described first exit facet is 0～45 °.
Further, the angle between beam projecting direction and the vertical curve of described second exit facet is 45～90 °.
Further, described lampshade is annular cover body, and light source containing groove is arranged in the inwall of lampshade inner ring side
Bottom.
The diffuse-reflectance lamp panel that the present invention provides, utilize anaclasis that light source sends by spreadlight lens to the inner surface of lampshade,
By the diffuse-reflectance of lampshade inner surface, form the flat lamp that the brightness of Integral luminous face is soft, have surface brightness be evenly distributed, soft
With, the feature that optical efficiency is high, its structure is the lightest.
Accompanying drawing explanation
Fig. 1 is the perspective cut away view of the diffuse-reflectance lamp panel of first embodiment of the invention；
Fig. 2 is that the master of the diffuse-reflectance lamp panel of first embodiment of the invention regards cut away view；
Fig. 3 is the front view of the diffuse-reflectance lamp panel of first embodiment of the invention；
Fig. 4 is the perspective cut away view of the diffuse-reflectance lamp panel of second embodiment of the invention.
Detailed description of the invention
Illustrate embodiments of the invention are described in further detail below in conjunction with accompanying drawing, but the present embodiment is not used to limit
The present invention processed, the analog structure of every employing present invention and similar change thereof, protection scope of the present invention, the present invention all should be listed in
In pause mark all represent the relation of sum.
As shown in Figure 1-Figure 3, a kind of diffuse-reflectance lamp panel that first embodiment of the invention is provided, including lampshade 1, light source 3,
It is characterized in that:
Described lampshade 1 is the most open square cover body, and the inner wall lower of lampshade 1 is provided with upwards open light source containing groove,
Spreadlight lens 2 it is provided with in light source containing groove；
Described spreadlight lens 2 has the first plane of incidence r1, the second plane of incidence r2, fully reflecting surface f1, the first exit facet c1, second goes out
Penetrate face c2；Wherein, the first plane of incidence r1 and the second plane of incidence r2 is positioned at bottom spreadlight lens, and the first plane of incidence r1 is convex surface or flat
Face, the second plane of incidence r2 is convex surface or plane, and the angle between the first plane of incidence r1 and the second plane of incidence r2 is less than 90 degree,
The first plane of incidence r1 and the second plane of incidence r2 is made to constitute a downward opening V-arrangement sunk structure；Fully reflecting surface f1 is positioned at
The offside of one plane of incidence r1, and fully reflecting surface f1 is against lampshade inwall, and the first exit facet c1 and the second exit facet c2 composition is partially
The upper surface of optical lens；
Described light source 3 is arranged in the light source containing groove of lampshade 1, and be laid in the first plane of incidence r1 of spreadlight lens 2,
Between two plane of incidence r2；
Described light source 3 constitutes two light paths with spreadlight lens 2；Article 1 light path therein is from light source 3s, first incident through first
Face r1 injects spreadlight lens, then from the first exit facet c1 injection after fully reflecting surface f1 reflects；Article 2 light path goes out from light source 3
Send out, from the second exit facet c2 injection after the second plane of incidence r2 injects spreadlight lens.
In first embodiment of the invention, described first plane of incidence r1, the upper edge of the second plane of incidence r2 engage；Described it is all-trans
The face f1 of penetrating is vertical plane, and described first exit facet c1 is the inclined-plane tilted from top to bottom, and the second exit facet c2 is convex arc from top to bottom
The curved surface of shape bending, the upper edge of the first exit facet c1 engages with the upper edge of fully reflecting surface f1, the top of the second exit facet c2
Along engaging with the lower edge of the first exit facet c1.
In first embodiment of the invention, the angle between beam projecting direction and the vertical curve of described first exit facet c1 is
0～45 °, the angle between beam projecting direction and the vertical curve of the second exit facet c2 is 45～90 °.
In first embodiment of the invention, described light source 3 is LED illuminator, in other embodiments of the present invention, it would however also be possible to employ
Other luminous body is as light source.
In first embodiment of the invention, the light that light source 3 sends is through the refraction of spreadlight lens 2, from the first of spreadlight lens
Exit facet c1, the second exit facet c2 are mapped to the inner surface of lampshade 1, then the diffuse-reflectance through lampshade 1 inner surface towards upper right,
Form the flat lamp that the brightness of Integral luminous face is soft.
As shown in Figure 4, second embodiment of the invention is with the difference of first embodiment: the lampshade 21 in the second embodiment
For the most open annular cover body, light source containing groove is arranged in the inner wall lower of lampshade 21 inner ring side, spreadlight lens
22 are arranged in this light source containing groove with light source.
Light source is laid in lampshade 21 central part by second embodiment of the invention, and the emergent ray of spreadlight lens 22 is from lampshade
Heart portion directive lampshade inner surface, surface brightness more uniformly spreads, soft.
In other embodiments of the present invention, described lampshade can also be that circle waits other shape.
Claims (5)
1. a diffuse-reflectance lamp panel, including lampshade, light source, it is characterised in that:
Described lampshade is the most open cover body, and the inner wall lower of lampshade is provided with upwards open light source containing groove, and light source holds
It is provided with spreadlight lens in putting groove；
Described spreadlight lens has first plane of incidence, second plane of incidence, fully reflecting surface, the first exit facet, the second exit facet；Its
In, first plane of incidence and second plane of incidence are positioned at bottom spreadlight lens, and first plane of incidence is convex surface or plane, and second plane of incidence is
Angle between convex surface or plane, and first plane of incidence and second plane of incidence is less than 90 degree so that first plane of incidence and second
The plane of incidence constitutes a downward opening V-arrangement sunk structure；Fully reflecting surface is positioned at the offside of first plane of incidence, and fully reflecting surface
The upper surface of spreadlight lens is constituted against lampshade inwall, the first exit facet and the second exit facet；
Described light source is arranged in the light source containing groove of lampshade, and is laid in first plane of incidence of spreadlight lens, second enters
Penetrate between face；
Described light source constitutes two light paths with spreadlight lens；Article 1 light path therein is from light source, first through first plane of incidence
Inject spreadlight lens, then from the first exit facet injection after fully reflecting surface reflects；Article 2 light path, from light source, enters through second
The face of penetrating is penetrated from the second exit facet after injecting spreadlight lens.
Diffuse-reflectance lamp panel the most according to claim 1, it is characterised in that: described first plane of incidence, second plane of incidence upper
Edge engages；Described fully reflecting surface is vertical plane, and described first exit facet is the inclined-plane tilted from top to bottom, the second exit facet be from
The curved surface that convex bends, the upper edge of the first exit facet is up to descended to engage with the upper edge of fully reflecting surface, the second exit facet
Upper edge engages with the lower edge of the first exit facet.
Diffuse-reflectance lamp panel the most according to claim 1, it is characterised in that: the beam projecting direction of described first exit facet with
Angle between vertical curve is 0～45 °.
Diffuse-reflectance lamp panel the most according to claim 1, it is characterised in that: the beam projecting direction of described second exit facet with
Angle between vertical curve is 45～90 °.
Diffuse-reflectance lamp panel the most according to claim 1, it is characterised in that: described lampshade is annular cover body, and light source houses recessed
Groove is arranged in the inner wall lower of lampshade inner ring side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610650413.3A CN106090651A (en) | 2016-08-10 | 2016-08-10 | Diffuse-reflectance lamp panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610650413.3A CN106090651A (en) | 2016-08-10 | 2016-08-10 | Diffuse-reflectance lamp panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106090651A true CN106090651A (en) | 2016-11-09 |
Family
ID=57456032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610650413.3A Pending CN106090651A (en) | 2016-08-10 | 2016-08-10 | Diffuse-reflectance lamp panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106090651A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504456A (en) * | 2017-09-25 | 2017-12-22 | 欧普照明股份有限公司 | A kind of scattering reflector, illumination module and desk lamp |
| CN107957032A (en) * | 2017-12-22 | 2018-04-24 | 欧普照明股份有限公司 | Lighting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013093200A (en) * | 2011-10-25 | 2013-05-16 | Sharp Corp | Lighting device, lighting unit, and lighting equipment |
| CN105042444A (en) * | 2015-08-31 | 2015-11-11 | 漳州立达信灯具有限公司 | Blackboard LED lamp |
| CN105202482A (en) * | 2015-10-23 | 2015-12-30 | 欧普照明股份有限公司 | Lens and illumination device |
| CN205227103U (en) * | 2015-12-08 | 2016-05-11 | 欧普照明股份有限公司 | Reflective lamps and lanterns |
| CN205938577U (en) * | 2016-08-10 | 2017-02-08 | 上海执光医疗科技有限公司 | Diffuse reflection lamp panel |
-
2016
- 2016-08-10 CN CN201610650413.3A patent/CN106090651A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013093200A (en) * | 2011-10-25 | 2013-05-16 | Sharp Corp | Lighting device, lighting unit, and lighting equipment |
| CN105042444A (en) * | 2015-08-31 | 2015-11-11 | 漳州立达信灯具有限公司 | Blackboard LED lamp |
| CN105202482A (en) * | 2015-10-23 | 2015-12-30 | 欧普照明股份有限公司 | Lens and illumination device |
| CN205227103U (en) * | 2015-12-08 | 2016-05-11 | 欧普照明股份有限公司 | Reflective lamps and lanterns |
| CN205938577U (en) * | 2016-08-10 | 2017-02-08 | 上海执光医疗科技有限公司 | Diffuse reflection lamp panel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504456A (en) * | 2017-09-25 | 2017-12-22 | 欧普照明股份有限公司 | A kind of scattering reflector, illumination module and desk lamp |
| CN107957032A (en) * | 2017-12-22 | 2018-04-24 | 欧普照明股份有限公司 | Lighting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
|
| RJ01 | Rejection of invention patent application after publication |