CN206504161U - Microstructure Optics part and LED light device - Google Patents
Microstructure Optics part and LED light device Download PDFInfo
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- CN206504161U CN206504161U CN201720056566.5U CN201720056566U CN206504161U CN 206504161 U CN206504161 U CN 206504161U CN 201720056566 U CN201720056566 U CN 201720056566U CN 206504161 U CN206504161 U CN 206504161U
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- microstructure optics
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Abstract
The utility model provides a kind of Microstructure Optics part and the LED light device with Microstructure Optics part.LED light device is included：Shell (1), it is arranged on the printed circuit board (PCB) (3) in shell (1), at least one LED chip (2) being connected with printed circuit board (PCB) (3), the LED drive power electrically connected with least one described LED chip (2), and LED chip is enclosed in the cover lid (4) in shell (1), it is characterized in that, the LED light device also includes the Microstructure Optics part (5) for being arranged on the upper surface of the cover lid (4), the one side of the Microstructure Optics part (5) has the depressed part (6) of periodic arrangement, the lighting requirement for reaching application-specific scene is exported with the optics for controlling LED/light source.
Description
Technical field
The utility model is related to field of LED illumination, more particularly to Microstructure Optics part and with Microstructure Optics part
LED light device.
Background technology
Semiconductor photo diode (LED, Light Emitting Diode), is used as a kind of new light of energy-conserving and environment-protective
Source, more and more widely applied to general illumination environment.LED is applied in existing illumination, with the brightness needed for general lighting, effect
Rate, service life, colour temperature and white point stability.Therefore, this kind of LED is all used in most general lighting application designs,
Including road surface, parking area and indoor directional lighting.In such applications, due to Maintenance free, (LED service life is than tradition
Bulb it is much longer) and energy consumption is low, so LED-based lighting device reduces the total cost of ownership (TCO).Illumination level
LED has at least efficient, the directional lighting of 50,000 hours.Illuminator effect that advantage using illumination level LED is designed
More than all incandescent lamps and halogenic lamps and lanterns, 5 to 50 times of life reduces the influence to environment, not mercurous, power station pollution
Small, garbage disposal expense is low.So as to which LED light device is just increasingly widely applied.
In order to adapt to need in the different lighting demands of various environment, LED light device to utilize secondary or multiple optics
Control device changes the output of its optics to meet the lighting demand of different application scene.For example, street lamp is because lamp stand spacing is big
Optical lens or optical reflector are designed using large angle illumination, market illumination because to show commodity especially and to optical lens or
Optical reflector uses low-angle Lighting Design, and working environment is due to needing soft uniform light distribution to optical lens or light
Reflector is learned using droplet-shaped illumination optical design etc..That is, different illumination optical environment needs to design optics of different shapes
Control device.Secondary or multiple optical control device is typically various optical lenses and optical reflector etc..As shown in Figure 1
Set in LED light device, shell 1 on printed circuit board (PCB) 3, printed circuit board (PCB) 3 and at least one LED chip 2, secondary optics are set
Control device is optical lens 10, and positioned at the top of LED chip 2, LED chip is enclosed in shell 1 by cover lid 4.
In addition, in order to adapt to different LED/light source (i.e. it is variant that LED particle size, encapsulation and LED go out light characteristic),
Also need to separately design various sizes of optical lens or optical reflector to match with corresponding LED/light source.Therefore, LED is worked as
Light source produce change after, for a certain LED design secondary or multiple optical control device can not be continuing with, it is secondary or
The poor universality of the multiple optical control device of person, it is necessary to redesign and manufacture secondary or multiple optical control device so that
The cost of LED light device is substantially increased, LED extensive use is limited.
Further, since the optics output that LED/light source is concentrated causes the surface brightness of LED light device very high, use
Person feels very dazzling, and dazzle is very strong, and this also constrains LED extensive use.
Therefore, need badly and a kind of can adapt in different LED/light sources and the lighting demand of different application scene and can overcome
The optical component and LED light device of glare problem.
Utility model content
The purpose of this utility model is to provide a kind of Microstructure Optics part, and the Microstructure Optics part (5) is micro-
Feature optical film or Microstructure Optics sheet material, one face have the depressed part (6) of periodic arrangement, the depressed part (6)
It is shaped as shape more than one or both of hemispherical, semielliptical shape, taper, trapezoidal shape, compound shape, the complex
Shape is that top is that spherical lower portion is taper or top is that tapered lower portion is spherical shape.
Another object of the present utility model is a kind of LED light device with Microstructure Optics part of offer, and it is wrapped
Contain：Shell, is arranged on the printed circuit board (PCB) in shell, sets at least one LED chip on a printed circuit, with it is described extremely
The LED drive power of few LED chip electrical connection, and cover lid LED chip being enclosed in shell, the LED illumination dress
The Microstructure Optics part for the upper surface for also including being arranged on the cover lid is put, the one side of the Microstructure Optics part has week
The depressed part of phase property arrangement, the lighting requirement for reaching application-specific scene is exported with the optics for controlling the LED/light source.By changing
Become or adjustment Microstructure Optics part depressed part combination or arrangement mode, can further obtain and a variety of meet different illuminations
The application scenarios of demand.
The utility model proposes have in the LED light device of thin microstructured optical films and sheet material, utilize micro-structural light
Concentration optics output of department of the Chinese Academy of Sciences's part to LED/light source is adjusted, so as to be effectively improved while illumination light distribution is met
The situation of dazzle.
Brief description of the drawings
Fig. 1 is the structural representation of existing LED light device；
Fig. 2 is the structural representation of the LED light device with Microstructure Optics part according to the example of the utility model one
Figure, wherein (a) is straight-down negative, (b) is that side is illuminated；
Fig. 3 is the variously-shaped stereogram of depressed part of the present utility model；
Fig. 4 is the diagrammatic cross-section that depressed part is spherical Microstructure Optics part；
Fig. 5 is the diagrammatic cross-section for the Microstructure Optics part that depressed part is taper；
Fig. 6 is the diagrammatic cross-section for the Microstructure Optics part that depressed part is elliposoidal；
Fig. 7 is the diagrammatic cross-section of the Microstructure Optics part of two kinds of shapes of depressed part.
Fig. 8 is the optics output distribution schematic diagram for the Microstructure Optics part that depressed part is single shape；
Fig. 9 is that depressed part exports distribution schematic diagram for the optics of the Microstructure Optics part of two kinds of shapes.
Embodiment
With reference to specific examples below and accompanying drawing, the utility model is described in further detail.
In Fig. 2,1 represents shell, and 2 represent LED chip, and 3 represent printed circuit board (PCB), and 4 represent cover lid, and 5 represent micro-structural light
Film or Microstructure Optics sheet material are learned, 6 represent depressed part, and 7 represent reflective optical films/sheet material.
As shown in Fig. 2 the LED light device that the utility model has thin microstructured optical films and sheet material is included：Shell 1,
The printed circuit board (PCB) (PCB) 3 in shell 1 is arranged on, at least one LED chip 2 being connected with printed circuit board (PCB) 3, with LED chip
2 electrically connect to drive the LED drive power (not shown) that LED chip is luminous, and are arranged on the He of cover lid 4 above LED chip
Thin microstructured optical films/sheet material 5, the lighting requirement for reaching application-specific scene is exported with the optics for controlling LED chip 2.Fig. 2
In, (a) is that straight-down negative, i.e. chip 2 are located on the PCB3 of the bottom of shell 1；(b) illuminated for side, i.e., chip 2 is located at shell 1
Sideways.
Specifically, shell 1 is high radiating die casting aluminium material, die casting or extrusion molding, possesses good heat dispersion.PCB
The quantity of the LED chip 2 set on plate can be one or more.LED chip 2 can be high-power, middle power or small-power
Patch chip, and can be using series connection, the in parallel or mode paster going here and there and combine is on printed circuit board (PCB) 3.Printed circuit
Plate 3 is engaged with direct current driving power supply, and driving LED chip is luminous to reach illuminating effect.
A surface of thin microstructured optical films/sheet material 4 has the depressed part 6 of periodic arrangement in the utility model, recessed
The shape in portion 6 is fallen into as shown in figure 3, being shape one or more kinds of in hemispherical, semielliptical shape, taper, trapezoidal shape.Its
In, hemispherical referred herein, semielliptical shape also include the part for pruning the hemispherical or semielliptical shape of bottom.Here
Taper include cone, triangular pyramid, pyramid shape, pentagonal pyramid shape, hexagonal pyramid shape, seven pyramids, eight pyramids etc..Here
Trapezoidal shape refer to by hemispherical or semielliptical shape or taper prune top similar landing shape.Other depressed part 6 is also
It can be the compound shape for having foregoing two or more shapes concurrently.Specifically, including bottom is that conical upper is spherical shape, with
And bottom is that bulbous upper portion is tapered form.It will be understood to those skilled in the art that the shape of depressed part 6 can include energy
Enough realize other analogous shapes of the utility model purpose.
Fig. 4 is the schematic diagram that depressed part is spherical thin microstructured optical films/sheet material；Fig. 5 is that depressed part is pyramid shape
Thin microstructured optical films/sheet material schematic diagram；Fig. 6 is the signal for thin microstructured optical films/sheet material that depressed part is elliposoidal
Figure.Fig. 4~6 show a case that depressed part is single shape.Fig. 7 is that the Microstructure Optics that depressed part is two kinds of combination of shapes are thin
The schematic diagram of film/sheet material.The situation of the combined shaped is, as needed by spherical and conical carry out irregular alignment, to combine shape
Shape can produce asymmetrical optical profile, for more illumination application scenarios.
The preferably thickness of thin microstructured optical films/sheet material 5 of the present utility model is 10 microns -5 millimeters.Preferably, it is thick
Spend for 50 microns -3 millimeters；It is further preferred that thickness is 100 microns -2 millimeters.Less than this scope or higher than this model
Enclosing all can be so that the making processing of thin microstructured optical films and sheet material becomes highly difficult.
The preferably height of depressed part 6 of the periodic arrangement of the thin microstructured optical films and sheet material 5 is 1 micron -5 millimeters.
Processing outside this scope can be highly difficult, it is impossible to mass produces.Here height refers to summit to the bottom surface of depressed part 6
Distance.
The scope of the ratio of the height and the width of the depressed part 6 of thin microstructured optical films and sheet material 5 is 0.1-5.This model
Good optics control output is not reached outside enclosing.Here width refers in the round-shaped diameter in depressed part bottom surface or bottom surface
Cut diameter of a circle.When depressed part is hemispherical, semielliptical shape, cone, bottom shape is circle；When depressed part is pyramid
When, bottom shape is polygonal, then the width of depressed part is polygonal inscribe diameter of a circle.
Specifically, for identical LED/light source, by the depressed part 6 that thin microstructured optical films and sheet material 5 are altered or modified
Shape, size (height, width etc.), the repetition period of arrangement and combination, enable to lighting device to meet different photographs
Bright demand.For example, spherical and pyrometric cone depressed part is adapted to office lighting and commercial lighting, combined shaped and compound shape depressed part
It is adapted to the plaza lighting of directional lighting.So, it is thin by being attached different Microstructure Optics on the cover lid 4 of LED light device
Film/sheet material, it is possible to meet different lighting demands, and no longer need to design traditional secondary or multiple optical control device,
Reduce the optical element inside LED light device so that the volume of LED light device is smaller, compact, reduces simultaneously
The cost of LED light device.In addition, when LED chip changes in itself, changes such as shape, size, it is no longer necessary to as
Prior art redesigns secondary or multiple optical control device like that, and microstructure film and sheet material originally can equally be fitted
With.Therefore, lighting device of the present utility model improves the versatility of optical component, has widened LED application and reduction
The cost of LED light device.
Fig. 8 and with Fig. 9 be the design of two Microstructure Optics example.Wherein Fig. 8 is that a kind of depressed part is single shape
The optics output distribution schematic diagram of thin microstructured optical films/sheet material；Fig. 9 is that a kind of depressed part is combined shaped (two kinds of shape roots
According to needing to be arranged) the optics of thin microstructured optical films/sheet material export distribution schematic diagram.Dark solid in figure is sky
Between in 0-180 degree sections the surface of intensity distribution, light solid line is the surface of intensity distribution of 90-270 degree sections in space.Annulus for etc.
Light distribution annulus, luminous intensity unit is candela (cd).Ray through annulus is angularly line, the unit degree of being of angle
(degree).0 degree is light fixture location directly below.
Specifically, in Fig. 8, the depressed part of its thin microstructured optical films/sheet material uses the pyrometric cone of periodic arrangement, cycle
The length of arrangement is 10 microns to 50 microns.The length (i.e. Cycle Length) of periodic arrangement referred herein is represented along orientation
Spacing between the center in two adjacent recessed portions (center of depressed part is center of the depressed part on film or plate plane).
For example, the center in conical shaped depression portion is the circular center of conical bottom surface.Distribution schematic diagram institute is exported according to Fig. 8 optics
Show, this optical profile is suitably applied in office, supermarket, the scene such as market, light is soft, and illuminance of ground is highly uniform.
Specifically, in Fig. 9, the depressed part of its micro-structural uses the combined shaped depressed part of periodic arrangement, the i.e. depression
Portion is formed (such as shown in Fig. 7) as the two kinds of combination of shapes arrangements of pyrometric cone and semi-round ball.The length of periodic arrangement is 5 microns to 20
Micron, this combined shaped can produce asymmetrical optical effect, can reach the effect of more preferable directional lighting.According to figure
Shown in 9 optics output distribution schematic diagram, this smooth shape is suitably applied in building brightening, and plaza lighting etc. needs directional lighting
Application scenarios, luminous energy more projects working face, and usage factor is high.
In the utility model, the material of thin microstructured optical films and sheet material can be various optically transparent plastic polymers
Material, and add additive to reach more preferable material property.Plastic polymer material includes PET (poly terephthalic acid second two
Ester), PC (makrolon), PMMA (polymethyl methacrylate), PS (polystyrene), PP (polypropylene), PMS (copolymerization methyl
Methyl acrylate styrene) and PEI (PolyEtherImide).Expansion can also be added in the material of thin microstructured optical films and sheet material
Material is dissipated to meet different optical demands.
In the utility model, LED light device can further include other optical reflectance coatings, reflector, reflection painting
Layer and reflection chamber etc., further improve the optical efficiency of system.For example in a part for printed circuit board (PCB) 3 and/or shell 1
It is attached reflective optical films/sheet material 7.
Thin microstructured optical films/sheet material and its lighting device in the utility model are not only adapted to LED illumination design,
It is also applied for other various light sources, such as fluorescent lamp, high-pressure mercury lamp or other similar optical applications.
Protection content of the present utility model is not limited to above example.In the spirit and model conceived without departing substantially from utility model
Under enclosing, those skilled in the art it is conceivable that change and advantage be all included in the utility model, and with appended power
Sharp claim is protection domain.
Claims (10)
1. a kind of Microstructure Optics part, it is characterised in that the Microstructure Optics part (5) is thin microstructured optical films or micro-
Feature optical sheet material, one face has a depressed part (6) of periodic arrangement, the depressed part (6) be shaped as hemispherical, it is half ellipse
Shape more than one or both of spherical, taper, trapezoidal shape, compound shape, the compound shape is under top is spherical
Portion is taper or top is that tapered lower portion is spherical shape.
2. Microstructure Optics part according to claim 1, it is characterised in that the height and the width of the depressed part (6)
Proportion be 0.1-5.
3. Microstructure Optics part as claimed in claim 1, it is characterised in that the depressed part (6) of the periodic arrangement
Cycle Length is 1 micron -5 millimeters.
4. Microstructure Optics part according to claim 1, it is characterised in that the height of the depressed part (6) is 1 micro-
- 5 millimeters of rice.
5. Microstructure Optics part according to claim 1, it is characterised in that the thickness of the Microstructure Optics part (5)
Spend for 10 microns -5 millimeters.
6. Microstructure Optics part according to claim 1, it is characterised in that the Microstructure Optics part (5) it is another
One surface is for polishing or with certain roughness.
7. Microstructure Optics part according to claim 1, it is characterised in that the material of the Microstructure Optics part (5)
Expect for PET, PC, PMMA, PS, PP, PMS, PEI and two or more wherein any composite.
8. a kind of LED light device with Microstructure Optics part, comprising：Shell (1), is arranged on the printing in shell (1)
Circuit board (3), at least one LED chip (2) being connected with printed circuit board (PCB) (3), with least one described LED chip (2) electricity
The LED drive power of connection, and the cover lid (4) LED chip being enclosed in shell (1), it is characterised in that the LED illumination
Device also includes the Microstructure Optics part (5) for being arranged on the upper surface of the cover lid (4), the Microstructure Optics part (5)
One side there is the depressed part (6) of periodic arrangement, the illumination for reaching application-specific scene is exported with the optics for controlling LED/light source
It is required that.
9. the LED light device according to claim 8 with Microstructure Optics part, it is characterised in that micro- knot
Structure optical component (5) is thin microstructured optical films or Microstructure Optics sheet material, and the depressed part (6) is shaped as hemispherical, half
Shape more than one or both of elliposoidal, taper, trapezoidal shape, compound shape, the compound shape is that top is spherical
Bottom is taper or top is that tapered lower portion is spherical shape.
10. the LED light device with Microstructure Optics part of any one as described in claim 8-9, it is characterised in that also
Including the reflective optical films/sheet material (7) being attached in a part for the printed circuit board (PCB) (3) and/or the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720056566.5U CN206504161U (en) | 2017-01-18 | 2017-01-18 | Microstructure Optics part and LED light device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720056566.5U CN206504161U (en) | 2017-01-18 | 2017-01-18 | Microstructure Optics part and LED light device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206504161U true CN206504161U (en) | 2017-09-19 |
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ID=59840008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720056566.5U Active CN206504161U (en) | 2017-01-18 | 2017-01-18 | Microstructure Optics part and LED light device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206504161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302402A (en) * | 2018-04-02 | 2018-07-20 | 中蓝光电科技（上海）股份有限公司 | A kind of super-thin plane type control tabula rasa and LED light device |
| CN108548157A (en) * | 2018-05-17 | 2018-09-18 | 浙江彩丞照明科技有限公司 | A kind of anti-dazzle light diffusing sheet and lighting device with step-like micro-structure |
-
2017
- 2017-01-18 CN CN201720056566.5U patent/CN206504161U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302402A (en) * | 2018-04-02 | 2018-07-20 | 中蓝光电科技（上海）股份有限公司 | A kind of super-thin plane type control tabula rasa and LED light device |
| CN108548157A (en) * | 2018-05-17 | 2018-09-18 | 浙江彩丞照明科技有限公司 | A kind of anti-dazzle light diffusing sheet and lighting device with step-like micro-structure |
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