CN106704847A - Spotlighting device - Google Patents
Spotlighting device Download PDFInfo
- Publication number
- CN106704847A CN106704847A CN201611246514.0A CN201611246514A CN106704847A CN 106704847 A CN106704847 A CN 106704847A CN 201611246514 A CN201611246514 A CN 201611246514A CN 106704847 A CN106704847 A CN 106704847A
- Authority
- CN
- China
- Prior art keywords
- prism
- prism block
- prisms
- layers
- lighting assemblies
- 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
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
- F21V5/02—Refractors for light sources of prismatic shape
Abstract
The invention provides a spotlighting device which comprises a light source layer. A plurality of LED lamp beads are arranged inside the light source layer. The light source layer is provided with a lower prism layer. An array prism strip structure is arranged on the upper surface of the lower prism layer. An upper prism layer is arranged on the upper portion of the lower prism layer. Prism blocks are arranged on the lower surface of the upper prism layer and form a periodically fluctuating face along the longitudinal axis of a body. The prism blocks on the same longitudinal axis are arrayed in the transverse axis direction to form a periodically fluctuating wave face, and the overlooking projections of the axial line of prism strips and the longitudinal axis of the upper prism layer body are crossed to form an acute angle alpha which is greater than or equal to 60 degrees but smaller than or equal to 90 degrees. The spotlighting device reduces probability of light scattering, enhances the spotlight effect and reduces the glare amount, thereby making human eyes be in a comfortable state.
Description
Technical field
The present invention relates to field of lighting devices, a kind of focus lighting assemblies are particularly related to.
Background technology
During using optical device, such as light fixture, probably due to it is excessively dim or dazzling and cause the uncomfortable of human eye, it is this
The main cause of problem is not light source, but source outer be covered with refraction tabula rasa optically focused or refractive power effect it is poor.
" dazzle " is a kind of bad illumination phenomenon, when the brightness of light source is high or the luminance difference of background and central region
When larger, will produce " dazzle ".Dazzle (Dazzle) refers to due to being not suitable for Luminance Distribution, or in space or time in the visual field
On there is extreme brightness contrast so that cause vision it is uncomfortable and reduce object visibility visual condition.Produced in the visual field
The light that human eye cannot be adapted to is felt, even detest, uncomfortable forfeiture legibility may be caused.In the visual field certain-local area
There is too high brightness or the excessive brightness change of front and rear generation.Dazzle is one of the major reason for causing visual fatigue.
Anti-dazzle is effectively to reduce this effect.Even if can also see clearly in the sun.How anti-dazzle optical illumination is produced
Equipment is that we need the direction of research.
The content of the invention
The present invention proposes a kind of focus lighting assemblies, solves lighting apparatus light diverging in the prior art, easily produces
The problem of dazzle.
The technical proposal of the invention is realized in this way：
Focus lighting assemblies, including light source layer, are provided with some LED lamp beads inside the light source layer, set in the light source layer
There is lower layers of prisms, the lower layers of prisms upper surface is provided with array prism bar structure, and the lower layers of prisms top is provided with layers of prisms,
The upper layers of prisms lower surface is provided with prism block, and the prism block forms periodic undulations face, same longitudinal axis rib along the body longitudinal axis
Mirror block forms the wavy surface of periodic undulations, the prism bar axial direction line and upper layers of prisms body longitudinal axis along X direction array
Downward projection intersect to form sharp angle α, wherein 60 °≤α≤90 °.
Used as preferred scheme of the invention, the upper strata prism bar section of the lower layers of prisms is isosceles triangle, described etc.
H high in lumbar triangle shape, base L, wherein 0.15L≤H≤0.18L, 20 μm≤L≤1mm.
Used as preferred scheme of the invention, the lower layers of prisms is made up of the light transmissive material containing diffusant, the printing opacity
Material is one kind of makrolon, polymethyl methacrylate, the plastics of acrylic or glass kind.
Used as preferred scheme of the invention, the upper layers of prisms top is substrate, and the prism block passes through ultraviolet sealing
The substrate bottom is fixed on, the prism block is to be upwardly extended from substrate root, the frustum structure of formation, the prism block bag
Include top surface, left surface, right flank, leading flank and trailing flank.
It with y-axis direction is axial relief, continuous rib that as preferred scheme of the invention, in each prism block, top surface is
Top surface forms discontinuous wavy surface on mirror block, and layers of prisms side elevation obtains the wave with N number of fluctuating cycle, each prism block
Side inner side is provided with reflecting coating, and light top surface from prism block enters layers of prisms, is projected from the substrate scope of freedom by reflecting, institute
Prism block refractive index is stated for n, wherein 1≤n≤1.4.
Used as preferred scheme of the invention, each prism block root is the rectangle of formed objects, and the rectangle length is
A, width is B, wherein 20 μm≤A≤1mm, 10 μm≤B≤1mm, the average height of the prism block is C, wherein 10 μm≤C≤
1mm。
Used as preferred scheme of the invention, the left surface and right flank are bilateral symmetry, and the upper top surface is overlooked
The right and left of Projection Display is parallel with prism block left and right sides.
As preferred scheme of the invention, the base angle angle that the left surface is formed with bottom surface respectively with right flank for
Θ, wherein Θ meet 2≤n/sin Θ≤5.
As preferred scheme of the invention, 20≤N/C≤50.
As preferred scheme of the invention, the prism block by polymethyl methacrylate, makrolon, polystyrene,
The material injection shaping of one or more of styrene-methylmethacrylate copolymer.
Beneficial effect：The present invention proposes a kind of focus lighting assemblies, including light source layer, if being provided with inside the light source layer
Dry LED lamp bead, the light source layer is provided with lower layers of prisms, and the lower layers of prisms upper surface is provided with array prism bar structure, described
Lower layers of prisms top is provided with layers of prisms, and the upper layers of prisms lower surface is provided with prism block, and the prism block is along body longitudinal axis shape
Into periodic undulations face, same longitudinal axis prism block forms the wavy surface of periodic undulations, the prism bar along X direction array
Axial line intersects to form sharp angle α with the downward projection of upper layers of prisms body longitudinal axis, wherein 60 °≤α≤90 °.Light scattering
Probability, strengthens spotlight effect and reduces dazzle amount, human eye is in comfort conditions.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is fractionation structural representation of the present invention；
Fig. 2 is upper layers of prisms structural representation shown in Fig. 1；
Fig. 3 is embodiment overlooking the structure diagram；
Fig. 4 is prism block main view section projection structure figure；
Fig. 5 is prism block side cross-sectional projection structure figure.
In figure, upper layers of prisms 1, substrate 11, prism block 12, upper top surface 121, left surface 122, right flank 123, leading flank
124, trailing flank 125, lower layers of prisms 2, light source layer 3.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
As Figure 1-5, focus lighting assemblies, including light source layer 3, are provided with some LED lamp beads, light source inside light source layer 3
Layer is provided with lower layers of prisms 2, and the lower upper surface of layers of prisms 2 is provided with array prism bar structure, and the lower top of layers of prisms 2 is provided with layers of prisms
1, the lower surface of upper layers of prisms 1 is provided with prism block 12, and prism block forms periodic undulations face, same longitudinal axis prism block along the body longitudinal axis
The wavy surface of periodic undulations, the vertical view of prism bar axial direction line and the body longitudinal axis of upper layers of prisms 1 are formed along X direction array
Projection intersects to form sharp angle α, wherein 60 °≤α≤90 °.
The upper strata prism bar section of lower layers of prisms 2 be isosceles triangle, H high in the isosceles triangle, base L, wherein
0.15L≤H≤0.18L, 20 μm≤L≤1mm.
Lower layers of prisms is made up of the light transmissive material containing diffusant, and the light transmissive material is makrolon, polymethyl
One kind of sour methyl esters, the plastics of acrylic or glass kind.
The top of upper layers of prisms 1 is substrate 11, and prism block 12 is fixed on the bottom of substrate 11 by ultraviolet sealing, and prism block is
Upwardly extended from the root of substrate 11, the frustum structure of formation, prism block include upper top surface 121, left surface 122, right flank 123,
Leading flank 124 and trailing flank 125.
It with y-axis direction is axial relief that top surface is in each prism block, and top surface forms discontinuous in continuous prism block
Wavy surface, layers of prisms side elevation obtains the wave with N number of fluctuating cycle, and each prism block side inner side is provided with reflective painting
Layer, light enters layers of prisms from top surface in prism block 12, is projected from the scope of freedom of substrate 11 by reflecting, and prism block refractive index is n,
Wherein 1≤n≤1.4.
Each prism block root is the rectangle of formed objects, and rectangle length is A, and width is B, wherein 20 μm≤A≤1mm, 10 μ
M≤B≤1mm, the average height of prism block is C, wherein 10 μm≤C≤1mm.
Left surface 122 and right flank 123 are bilateral symmetry, the right and left and prism that upper top surface downward projection shows
Block left and right sides are parallel.
The base angle angle that left surface 122 is formed with bottom surface respectively with right flank 123 is Θ, and wherein Θ meets 2≤n/sin
Θ≤5,20≤N/C≤50.
Prism block is by polymethyl methacrylate, makrolon, polystyrene, styrene methyl methacrylate copolymerization
The material injection shaping of one or more of thing.
Embodiment 1
If the upper layers of prisms 1 in Fig. 2, bottom are transparency carrier 11, thickness is 10 μm -100 μm.
Substrate is provided with the prism block 12 of N number of transverse and longitudinal array, and prism block 12 is that a frustum structure is formed from themselves bottom,
Adhesive layer between prism block and substrate is ultraviolet illuminaton adhesive layer.
The bottom of each prism block 12 is all the rectangle of the formed objects being brought into close contact, and the x-axis direction length of rectangle is in 20 μ
Between m to 1mm, preferably 20 μm, 40 μm, 60 μm, 80 μm, 100 μm, y-axis width at 10 μm between 1mm, preferably 1- μm, 20
μm, 30 μm, 40 μm, 50 μm；For 10 μm between 1mm, each prism block 12 has four inclined-planes and one to z-axis average height
Top surface, forms a diminishing frustum structure of area, and each prism block 12 includes upper top surface 121, leading flank 124, rear side
Face 125, left surface 122, right flank.Leading flank 124, trailing flank 125, left surface 122 and right flank are provided with reflective membrane, light
Layers of prisms can only be entered by upper top surface 121, then be refracted out from transparency carrier opposite side.
With spatial axes x-axis, on the basis of y-axis and z-axis, the prism block section in prism block xoz faces is an isosceles trapezoid, normal light
Beam is entered by upper top surface 121, is projected from substrate surface after refraction.
Still in the prism block section in xoz faces, two adjacent isosceles trapezoids are identical, two isosceles trapezoid adjacent side shapes
Into angle be Θ.Wherein the refractive index of prism is n, and the wherein refractive index of prism and base angle meets following condition：2≤n/sin
Θ≤5, wherein 1≤n≤1.4.
Be irregular structure in the prism block section in yoz faces, leading flank 124 and trailing flank 125 respectively with bottom surface shape
Into angle it is identical.In the projection of yoz faces section, the angle that adjacent two prisms block junction is formed, the i.e. rear side of front side prism block
Face is identical with the angle that the leading flank of rear side prism block is formed, and angular range is between 15 ° to 30 °.
In the prism block section in yoz faces, top surface forms discontinuous rule change wave in continuous prism block, limits chi
At least N number of wave rises and falls the cycle in very little layers of prisms.The heaving of the sea cycle is 20 to 45 times of prism block average height.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. focus lighting assemblies, including light source layer (3), some LED lamp beads, the light source layer are provided with inside the light source layer (3)
Lower layers of prisms (2) is provided with, lower layers of prisms (2) upper surface is provided with array prism bar structure, lower layers of prisms (2) top
It is provided with layers of prisms (1), it is characterised in that upper layers of prisms (1) lower surface is provided with prism block (12), and the prism block is along this
The body longitudinal axis forms periodic undulations face, and same longitudinal axis prism block forms the wavy surface of periodic undulations, institute along X direction array
State prism bar axial direction line and intersect to form sharp angle α with the downward projection of upper layers of prisms (1) body longitudinal axis, wherein 60 °≤α≤90 °.
2. focus lighting assemblies according to claim 1, it is characterised in that the upper strata prism bar of the lower layers of prisms (2)
Section is isosceles triangle, H high in the isosceles triangle, base L, wherein 0.15L≤H≤0.18L, 20 μm≤L≤1mm.
3. focus lighting assemblies according to claim 1, it is characterised in that the lower layers of prisms is by containing the saturating of diffusant
Luminescent material is made, and the light transmissive material is makrolon, polymethyl methacrylate, the plastics or glass of acrylic.
4. focus lighting assemblies according to claim 1, it is characterised in that upper layers of prisms (1) top is substrate
(11), the prism block (12) is fixed on the substrate (11) bottom by ultraviolet sealing, and the prism block is from substrate
(11) root upwardly extends, the frustum structure of formation, and the prism block includes upper top surface (121), left surface (122), right flank
(123), leading flank (124) and trailing flank (125).
5. focus lighting assemblies according to claim 4, it is characterised in that top surface is to be with y-axis direction in each prism block
The relief of axial direction, top surface forms discontinuous wavy surface in continuous prism block, and layers of prisms side elevation is obtained with N number of fluctuating
The wave in cycle, each prism block side inner side is provided with reflecting coating, and light enters layers of prisms from top surface in prism block (12), leads to
Superrefraction is projected from substrate (11) scope of freedom, and the prism block refractive index is n, wherein 1≤n≤1.4.
6. focus lighting assemblies according to claim 5, it is characterised in that each prism block root is formed objects
Rectangle, the rectangle length is A, and width is B, wherein 20 μm≤A≤1mm, 10 μm≤B≤1mm, the mean height of the prism block
It is C to spend, wherein 10 μm≤C≤1mm.
7. focus lighting assemblies according to claim 5, it is characterised in that the left surface (122) and right flank (123)
It is bilateral symmetry, the right and left that the upper top surface downward projection shows is parallel with prism block left and right sides.
8. focus lighting assemblies according to claim 5, it is characterised in that the left surface (122) and right flank (123)
The base angle angle for being formed with bottom surface respectively is Θ, and wherein Θ meets 2≤n/sin Θ≤5.
9. focus lighting assemblies according to claim 5, it is characterised in that 20≤N/C≤50.
10. focus lighting assemblies according to claim 1, it is characterised in that the prism block is by poly-methyl methacrylate
The material injection shaping of one or more of ester, makrolon, polystyrene, styrene-methylmethacrylate copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246514.0A CN106704847A (en) | 2016-12-29 | 2016-12-29 | Spotlighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246514.0A CN106704847A (en) | 2016-12-29 | 2016-12-29 | Spotlighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704847A true CN106704847A (en) | 2017-05-24 |
Family
ID=58904636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611246514.0A Pending CN106704847A (en) | 2016-12-29 | 2016-12-29 | Spotlighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704847A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584711A (en) * | 2017-09-28 | 2019-04-05 | 三星显示有限公司 | Display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070097708A1 (en) * | 2003-07-01 | 2007-05-03 | Shim Young-Shig | Prism sheet of back light unit for lcd |
| JP2009117304A (en) * | 2007-11-09 | 2009-05-28 | Sony Corp | Surface light-emitting device, display device, and electronic apparatus |
| TW200933206A (en) * | 2008-01-31 | 2009-08-01 | Camma Optical Co Ltd | Optical film and backlight module using the same |
| CN106226859A (en) * | 2015-06-02 | 2016-12-14 | 友辉光电股份有限公司 | Light directing film |
| CN206754826U (en) * | 2016-12-29 | 2017-12-15 | 中山市光大光学仪器有限公司 | Focus lighting assemblies |
-
2016
- 2016-12-29 CN CN201611246514.0A patent/CN106704847A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070097708A1 (en) * | 2003-07-01 | 2007-05-03 | Shim Young-Shig | Prism sheet of back light unit for lcd |
| JP2009117304A (en) * | 2007-11-09 | 2009-05-28 | Sony Corp | Surface light-emitting device, display device, and electronic apparatus |
| TW200933206A (en) * | 2008-01-31 | 2009-08-01 | Camma Optical Co Ltd | Optical film and backlight module using the same |
| CN106226859A (en) * | 2015-06-02 | 2016-12-14 | 友辉光电股份有限公司 | Light directing film |
| CN206754826U (en) * | 2016-12-29 | 2017-12-15 | 中山市光大光学仪器有限公司 | Focus lighting assemblies |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584711A (en) * | 2017-09-28 | 2019-04-05 | 三星显示有限公司 | Display device |
| CN115331579A (en) * | 2017-09-28 | 2022-11-11 | 三星显示有限公司 | Display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9857041B2 (en) | Daylighting device | |
| CN105308483B (en) | Daylighting film, glass pane, roller shutter and Lighting shutter | |
| CN105637390A (en) | Lighting member, lighting device, and method for installing lighting member | |
| US10317607B2 (en) | Optical member having three-dimensional effect forming portion and multiple effect forming portion and lighting device using the same | |
| CN205910490U (en) | Reflection of light micro -structure, projection screen and projecting system | |
| JP2020504846A (en) | Turning film for improving visual field in horizontal plane and light control film having lenticular diffuser | |
| CN107678152B (en) | LED free-form surface lens for optical microphotograph mirror reflection lighting system | |
| JP7076754B2 (en) | Top hat Asymmetric light turning film with light output distribution | |
| CN209248059U (en) | A kind of rectangular pyramid anti-dazzling film | |
| CN106772726A (en) | Layers of prisms | |
| CN206754826U (en) | Focus lighting assemblies | |
| CN106704847A (en) | Spotlighting device | |
| CN101629693B (en) | Light distribution board having gratings with multiple focuses | |
| CN206754825U (en) | Lighting case | |
| CN107013827A (en) | Anti-dazzle lighting apparatus | |
| CN206754877U (en) | Anti-dazzle lighting case | |
| CN205539551U (en) | Two sides has diffuser plate of prism micro -structure | |
| CN207301382U (en) | Layers of prisms | |
| CN209248060U (en) | A kind of enhanced anti-dazzling film | |
| CN204740364U (en) | Optical element and lighting device | |
| CN207262097U (en) | Anti-dazzle lighting apparatus | |
| CN209248061U (en) | A kind of multifunctional composite film | |
| CN107062041B (en) | Anti-dazzle lighting case | |
| US20200200344A1 (en) | Daylighting member and daylighting device | |
| CN106764493A (en) | Lighting case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |