CN208832141U - Micro-structure toughening type optical thin film/plate and LED light device - Google Patents
Micro-structure toughening type optical thin film/plate and LED light device Download PDFInfo
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- CN208832141U CN208832141U CN201821792404.9U CN201821792404U CN208832141U CN 208832141 U CN208832141 U CN 208832141U CN 201821792404 U CN201821792404 U CN 201821792404U CN 208832141 U CN208832141 U CN 208832141U
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Abstract
The utility model provides a kind of micro-structure toughening type optical thin film/plate, the one or both sides of the optical thin film/plate have the recessed portion of periodic arrangement, the shape of the recessed portion is the shape of one or more of hemispherical, semielliptical shape, taper, trapezoidal shape, compound shape, the edge suitable for reading of the recessed portion of the periodic arrangement is grid-shaped, optical thin film/the plate with a thickness of 10 microns -20 millimeters, the cycle length of the recessed portion is 1 micron -5 millimeters, the ratio of height and the width is 0.01-5, is highly 1 micron -5 millimeters.Fenestral fabric is constituted in optical thin film/plate surface due to the edge suitable for reading of the recessed portion of periodic arrangement in the utility model, improves the toughness of sheet material, is manufacturing and is not allowing easily broken, fracture in use process, improving the quality of product.
Description
Technical field
The utility model, which belongs to field of LED illumination more particularly to micro-structure toughening type optical thin film/plate and has, to be somebody's turn to do
Optical thin film/plate LED light device.
Background technique
Optical sheet sheet material be using PC, PMMA, PS, MS, the transparent polymer materials such as PP by extrusion calendaring, hot moulding,
A kind of sheet of injection molding or pouring technology production.Two refractive index are encountered during through optical sheet sheet material using light
When different medium, the physical phenomenon of refraction, reflection, total reflection and scattering occurs, by adding light diffusion in polymer base material
Agent or the direction of propagation that light is artificially adjusted by the micro-structure of substrate surface by controllable refraction, reflection, total reflection and dissipate
It penetrates, realizes the control on demand of outgoing optical propagation direction, be generally widely used in illumination and display backlight system.
PMMA in high molecular material, PS, MS etc. are fragile material, are manufacturing and are being easy to break in use process
It is broken, so that product stability is poor, product quality decline, therefore the toughness for increasing diffuser plate becomes urgent need currently on the market and solves
The problem of.Current technology mainly solves the problems, such as this by adding plasticized modifier in the material, and toughener can not be kept away
The optical property for the influence material exempted from, the degree of reduction is determined by the type and additive amount of plasticized modifier, while increasing manufacture
Cost.
Utility model content
Based on this, in view of the above technical problems, a kind of micro-structure toughening type optical thin film/plate and LED illumination dress are provided
It sets.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The one or both sides of a kind of micro-structure toughening type optical thin film/plate, the optical thin film/plate have periodically
The recessed portion of arrangement, the shape of the recessed portion be one of hemispherical, semielliptical shape, taper, trapezoidal shape, compound shape or
The edge suitable for reading of two or more shapes, the recessed portion of the periodic arrangement is grid-shaped, the thickness of the optical thin film/plate
Degree is 10 microns -20 millimeters, and the cycle length of the recessed portion is 1 micron -5 millimeters, and the ratio of height and the width is 0.01-5,
Height is 1 micron -5 millimeters.
Preferably, the taper includes cone, triangular pyramid, pyramid shape, pentagonal pyramid shape, hexagonal pyramid shape, seven pyramids
Shape and eight pyramids.
Preferably, the trapezoidal shape is the shape of similar halfpace made of hemispherical or semielliptical shape or taper to be pruned to top
Shape.
Preferably, it is that conical upper is the shape of spherical shape or lower part is that bulbous upper portion is that the compound shape, which is lower part,
Tapered form.
Preferably, the material of the optical thin film/plate includes PET, PC, PMMA, PS, PP, PMS, PEI and wherein appoints
It anticipates two or more compound mixing material.
The utility model further relates to a kind of LED light device, has micro-structure toughening type optical thin film/plate.
The utility model LED light device includes shell, and printed circuit board in the shell is arranged, and is arranged in printed circuit
At least one LED chip on plate, the LED drive power being electrically connected at least one described LED chip, and by LED chip
The outer surface of the cover is arranged in the cover of envelope in the shell, the optical thin film/plate.
The utility model LED light device further includes being attached at a part of the printed circuit board and/or the shell
On reflective optical films/plate.
Net is constituted in optical thin film/plate surface due to the edge suitable for reading of the recessed portion of periodic arrangement in the utility model
Grating texture improves the toughness of sheet material, is manufacturing and is not allowing easily broken, fracture in use process, is improving
The quality of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model LED light device, wherein (a) is straight-down negative, it is (b) illuminated for side；
Fig. 2 is optical thin film/plate schematic diagram of the utility model；
Fig. 3 is the schematic diagram of the shape of the recessed portion of the utility model；
Fig. 4 is micro-structure toughening type optical thin film/plate structural schematic diagram of the preferred embodiment of this utility model,
Wherein (a) indicates that recessed portion is one embodiment of rectangular pyramid, (b) indicates that recessed portion is another embodiment of rectangular pyramid.
Specific embodiment
In conjunction with following specific embodiments and attached drawing, the utility model is described in further detail.
In Fig. 1,1 expression shell, 2 expression LED chips, 3 expression printed circuit boards, 4 expression the covers, 5 expression optical thin films/
Plate, 6 indicate recessed portion, and 7 indicate reflective optical films/plate, and 8 indicate light guide plate.
As shown in Figure 1, the present embodiment LED light device includes shell 1, the printed circuit board 3 in shell 1 is set, if
Set at least one LED chip 2 on printed circuit board 3, the LED drive power being electrically connected at least one LED chip 2 (figure
Do not show), and LED chip 2 is enclosed in the cover 4 in shell 1, the outer surface of the cover 4 is arranged in optical thin film/plate 5, with control
The optics output of LED chip 2 processed reaches the lighting requirement of specific application scene.Lighting device is different according to light source position, can divide
It is illuminated for straight-down negative and side.In Fig. 2, (a) is straight-down negative, i.e. chip 2 is located on the PCB3 of 1 bottom of shell；(b) it shines for side
Formula, i.e. chip 2 are located at the side of shell 1.
Specifically, shell 1 is high heat dissipation die casting aluminium material, die casting or extrusion molding, has good heat dissipation performance.Printing
The quantity for the LED chip 2 being arranged on circuit board 3 can be one or more.LED chip 2 can be high-power, middle power or small
Power patch chip, and can be in parallel or go here and there and the mode patch that combines is on printed circuit board 3 using series connection.Printing
Circuit board 3 is matched with direct current driving power supply, and driving LED chip 2, which shines, reaches illuminating effect.
Wherein, as shown in Fig. 2, the one or both sides of optical thin film/plate 5 have the recessed portion 6 of periodic arrangement, recess
The shape in portion 6 is the shape of one or more of hemispherical, semielliptical shape, taper, trapezoidal shape, compound shape, period
Property arrangement recessed portion 6 edge suitable for reading 61 it is grid-shaped, optical thin film/plate 5 with a thickness of 10 microns -20 millimeters, recess
The cycle length in portion 6 is 1 micron -5 millimeters, and it is highly 1 micron -5 millimeters that the ratio of height and the width, which is 0.01-5,.This is practical
Fenestral fabric is constituted on 5 surface of optical thin film/plate due to the edge suitable for reading 61 of the recessed portion of periodic arrangement 6 in novel,
The toughness for improving sheet material is being manufactured and is not being allowed easily broken, fracture in use process, improving the matter of product
Amount.
It using PS material as sheet material, is tested by 0.35J spring jump bit, thickness is at least wanted 1.2mm, will not just be sent out
Raw broken, fracture.
It is illustrated in figure 4 micro-structure toughening type optical thin film/plate structural schematic diagram of presently preferred embodiments of the present invention.
(a) indicates that recessed portion is one embodiment of rectangular pyramid in Fig. 4, and the bottom edge length and width of the rectangular pyramid are 0.4mm, bottom edge to vertex
Height be 0.13mm, under the same conditions, by 0.35J spring jump bit test, film/plate thickness most it is thin be 0.8mm
Broken, fracture occurs for Shi Buhui, and thickness reduces 0.4mm, and material weight can save 41%；(b) indicates recessed portion in Fig. 4
For another embodiment of rectangular pyramid, the bottom edge length and width of the rectangular pyramid are 0.6mm, and the height on bottom edge to vertex is 0.2mm,
Under the same terms, by 0.35J spring jump bit test, film/plate thickness most it is thin be 0.8mm when will not be crushed, break
It splits, thickness reduces 0.4mm, and material weight can save 45%.
The cycle length of above-mentioned recessed portion 6 refers to that the spacing between the center of two adjacent depressions 6 of orientation is (recessed
Center of the center, that is, recessed portion of concave portion in 5 plane of optical thin film/plate).For example, center, that is, the circular cone in conical shaped depression portion
Rounded bottom surface center；Height refers to the vertex of recessed portion 6 to the distance of bottom surface, and width refers to 6 bottom surface circle shape of recessed portion
The diameter or bottom surface inscribe diameter of a circle of shape.
When recessed portion 6 is hemispherical, semielliptical shape, cone, bottom shape is circle；When recessed portion is pyramid
When, bottom shape is polygonal, then the width of recessed portion is polygonal inscribe diameter of a circle.
As shown in figure 3, above-mentioned taper includes cone, triangular pyramid, pyramid shape, pentagonal pyramid shape, hexagonal pyramid shape, seven ribs
Taper and eight pyramids；Above-mentioned trapezoidal shape is the shape of similar halfpace made of hemispherical or semielliptical shape or taper to be pruned to top
Shape；It is conical upper be spherical shape or lower part be bulbous upper portion is tapered form that above-mentioned compound shape, which is lower part,.
The material of optical thin film/plate 5 can be various optically transparent plastic polymer materials, and be added additive with
Reach better material property.Plastic polymer material include PET (polyethylene terephthalate), PC (polycarbonate),
PMMA (polymethyl methacrylate), PS (polystyrene), PP (polypropylene), PMS (copolymerization styrene-methyl methacrylate)
With PEI (PolyEtherImide).Diffusion material can also be added in the material of thin microstructured optical films and plate to meet difference
Optical demands.
As shown in Figure 1, the utility model LED light device can further include other optical reflectance coatings, reflector,
Reflectance coating and reflection chamber etc. further increase the optical efficiency of system.Such as the one of printed circuit board 3 and/or shell 1
Reflective optical films/plate 7 is attached on part.
Anti-dazzle thin microstructured optical films/the plate and LED light device of the utility model are not only adapted to LED illumination
Design, is also applied for other various light sources, such as fluorescent lamp, high-pressure sodium lamp or other similar optical application.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Utility model, and being not used as the restriction to the utility model, if in the spirit of the utility model, to
Variation, the modification of the upper embodiment will all be fallen in the Claims scope of the utility model.
Claims (8)
1. a kind of micro-structure toughening type optical thin film/plate, which is characterized in that the one or both sides of the optical thin film/plate
Recessed portion with periodic arrangement, the shape of the recessed portion are hemispherical, semielliptical shape, taper, trapezoidal shape, compound shape
One or more of shape, the edge suitable for reading of the recessed portion of the periodic arrangement is grid-shaped, described optically thin
Film/plate is with a thickness of 10 microns -20 millimeters, and the cycle length of the recessed portion is 1 micron -5 millimeters, the ratio of height and the width
Example is 0.01-5, is highly 1 micron -5 millimeters.
2. a kind of micro-structure toughening type optical thin film/plate according to claim 1, which is characterized in that the taper packet
Include cone, triangular pyramid, pyramid shape, pentagonal pyramid shape, hexagonal pyramid shape, seven pyramids and eight pyramids.
3. a kind of micro-structure toughening type optical thin film/plate according to claim 2, which is characterized in that the trapezoidal shape
For the shape that hemispherical or semielliptical shape or taper are pruned to similar halfpace made of top.
4. a kind of micro-structure toughening type optical thin film/plate according to claim 3, which is characterized in that the complex
It is conical upper be spherical shape or lower part be bulbous upper portion is tapered form that shape, which is lower part,.
5. a kind of micro-structure toughening type optical thin film/plate according to claim 4, which is characterized in that described optically thin
Film/plate material includes PET, PC, PMMA, PS, PP, PMS, PEI and wherein any the compound of two or more is mixed
Condensation material.
6. a kind of LED light device, which is characterized in that have the described in any item micro-structure toughening type optics of claim 1-5
Film/plate.
7. a kind of LED light device according to claim 6, which is characterized in that including shell, print in the shell is arranged
At least one LED chip on a printed circuit is arranged in printed circuit board, the LED being electrically connected at least one described LED chip
The appearance of the cover is arranged in driving power, and the cover by LED chip envelope in the shell, the optical thin film/plate
Face.
8. a kind of LED light device according to claim 7, which is characterized in that further include being attached at the printed circuit
Reflective optical films/plate in a part of plate and/or the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821792404.9U CN208832141U (en) | 2018-11-01 | 2018-11-01 | Micro-structure toughening type optical thin film/plate and LED light device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821792404.9U CN208832141U (en) | 2018-11-01 | 2018-11-01 | Micro-structure toughening type optical thin film/plate and LED light device |
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| Publication Number | Publication Date |
|---|---|
| CN208832141U true CN208832141U (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821792404.9U Active CN208832141U (en) | 2018-11-01 | 2018-11-01 | Micro-structure toughening type optical thin film/plate and LED light device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114195220A (en) * | 2021-12-30 | 2022-03-18 | 马鞍山杰生半导体有限公司 | Overflowing type sterilizing and disinfecting device |
-
2018
- 2018-11-01 CN CN201821792404.9U patent/CN208832141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114195220A (en) * | 2021-12-30 | 2022-03-18 | 马鞍山杰生半导体有限公司 | Overflowing type sterilizing and disinfecting device |
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