CN208687529U - A kind of adjustable lamps and lanterns of light-emitting angle - Google Patents
A kind of adjustable lamps and lanterns of light-emitting angle Download PDFInfo
- Publication number
- CN208687529U CN208687529U CN201821506598.1U CN201821506598U CN208687529U CN 208687529 U CN208687529 U CN 208687529U CN 201821506598 U CN201821506598 U CN 201821506598U CN 208687529 U CN208687529 U CN 208687529U
- Authority
- CN
- China
- Prior art keywords
- light
- lanterns
- emitting angle
- lamps
- 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.)
- Active
Links
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a kind of adjustable lamps and lanterns of light-emitting angle, comprising: which heat radiation module and the face ring matched with the heat radiation module, are disposed with COB light source, lens and the optics light modulator with light sensitive molecule material layer between the heat radiation module and the face ring；The optics light modulator is located on the outer surface of the lens and covers the outer surface of the lens, is scattered to light by the light sensitive molecule material layer to adjust the light-emitting angle of lamps and lanterns.The utility model is by using the optic adjustors with light sensitive molecule material layer, and by light sensitive molecule, light sensitive molecule is arranged to play different scattering processes to light under electric field action, so that the light-emitting angle of lamps and lanterns is different, to realize the adjustable of light-emitting angle.
Description
Technical field
The utility model relates to technical field of lamps, in particular to a kind of adjustable lamps and lanterns of light-emitting angle.
Background technique
Usual LED light source emission type is Lambertian, and light-emitting angle (the last half angle) is 120 degree, in lamps and lanterns in use, passing through
The light distribution of different lens or reflector, realizes different light-emitting angles, such as 15 degree, 24 degree, and 36 degree, 45 degree, 60 degree, 120
Degree etc..Existing LED downlight or track lamp are using more SMD light sources of dispersion and with the lens of two groups of different angles, and two groups
Light source is placed respectively below the lens of different angle, light emitting angle to be adjusted by two groups of lens.But for market
High-end downlight, generally use integrated COB light source scheme, i.e., whole lamp only has a light source, thus can not use above-mentioned two
Group different angle lens arrangement.In order to solve this problem, have currently on the market using step motor control Zoom lens group
Realize scheme that light angle is adjusted, but the program has that structure is complicated and with high costs.
Summary of the invention
In view of the deficiencies in the prior art, the utility model is intended to provide a kind of adjustable lamp of simple light-emitting angle of structure
Tool.
Technical solution used by the utility model is as follows:
A kind of adjustable lamps and lanterns of light-emitting angle comprising: heat radiation module and the face ring matched with the heat radiation module,
COB light source, lens and the optics with light sensitive molecule material layer are disposed between the heat radiation module and the face ring
Light modulator；The optics light modulator is located on the outer surface of the lens and covers the outer surface of the lens, passes through the sense
Optical molecule material layer is scattered light to adjust the light-emitting angle of lamps and lanterns.
The adjustable lamps and lanterns of light-emitting angle, wherein the optics light modulator includes light diffusing sheet, the light diffusing sheet packet
The first transparent conductive film and the second transparent conductive film are included, the light sensitive molecule material layer is located at first transparent conductive film and
To form the light diffusing sheet between two transparent conductive films.
The adjustable lamps and lanterns of light-emitting angle, wherein the optics light modulator further include the first polarizing film set gradually,
Optically-active adjuster and polarization direction second polarizing film vertical with the polarization direction of the first polarizing film, the light diffusing sheet are located at
Side of second polarizing film far from the optically-active adjuster.
The adjustable lamps and lanterns of light-emitting angle, wherein the optics light modulator further includes slide, the slide and institute
Light diffusing sheet is stated to be arranged side by side and fit with second polarizing film.
The adjustable lamps and lanterns of light-emitting angle, wherein the light diffusing sheet is inclination far from second polarizing film on one side
Face, the inclination is tilted away from the direction of second polarizing film, and the thickness close to described slide one end is less than
Thickness far from slide one end.
The adjustable lamps and lanterns of light-emitting angle, wherein be provided with cable-through hole on the lens, set on the optics light modulator
It is equipped with conducting wire, the conducting wire passes through the cable-through hole and is connected with heat radiation module.
The adjustable lamps and lanterns of light-emitting angle, wherein the lamps and lanterns further include COB light source gland, the COB light source gland
It is connected with the heat radiation module, and the COB light source is fixed in the heat radiation module.
The adjustable lamps and lanterns of light-emitting angle, wherein the lens pass through the COB light source far from one end of the face ring
Gland, and the COB light source is covered, so that the light that the COB light source generates injects the lens.
The adjustable lamps and lanterns of light-emitting angle, wherein the lamps and lanterns further include connector, described connector one end with it is described
Heat radiation module is connected, and the other end is connected with the face ring, and the face ring is connect with the heat radiation module.
The adjustable lamps and lanterns of light-emitting angle, wherein the lamps and lanterns further include reflector, and the reflector is placed in the face
It is connected in ring and with the connector, the reflector is located at the side of the optics light modulator far from the lens, with logical
Cross the light of the reflector reflectance-transmittance optics light modulator.
The utility model has the advantages that compared with prior art, the utility model provides a kind of adjustable lamps and lanterns of light-emitting angle, packet
Include: heat radiation module and the face ring matched with the heat radiation module are set gradually between the heat radiation module and the face ring
There are COB light source, lens and the optics light modulator with light sensitive molecule material layer；The optics light modulator is located at the lens
On outer surface and the outer surfaces of the lens is covered, light is scattered to adjust lamps and lanterns by the light sensitive molecule material layer
Light-emitting angle.The utility model is by using the optic adjustors with light sensitive molecule material layer, by light sensitive molecule in electricity
Light sensitive molecule arrangement is under field action to play different scattering processes to light, so that the light-emitting angle of lamps and lanterns is different, thus real
The adjustable of light-emitting angle is showed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the adjustable lamps and lanterns of light-emitting angle provided by the utility model.
Fig. 2 is the cross-sectional view of the adjustable lamps and lanterns of light-emitting angle provided by the utility model.
Fig. 3 is the explosive view of the adjustable lamps and lanterns of light-emitting angle provided by the utility model.
Fig. 4 is the schematic diagram of optics light modulator in the adjustable lamps and lanterns of light-emitting angle provided by the utility model.
Fig. 5 is that there are schematic diagrames when electric field for light diffusing sheet in the adjustable lamps and lanterns of light-emitting angle provided by the utility model.
There is no signal when electric field for light diffusing sheet in the adjustable lamps and lanterns of light-emitting angle provided by the utility model in Fig. 6
Figure.
Fig. 7 is the schematic diagram of diffusion sheet in the adjustable lamps and lanterns of light-emitting angle provided by the utility model.
Fig. 8 is the schematic diagram of heat radiation module in the adjustable lamps and lanterns of light-emitting angle provided by the utility model.
Fig. 9 is the schematic diagram of lens in the adjustable lamps and lanterns of light-emitting angle provided by the utility model.
Specific embodiment
The utility model provides a kind of adjustable lamps and lanterns of light-emitting angle, for make the purpose of this utility model, technical solution and
Effect is clearer, clear, and the utility model is further described as follows in conjunction with drawings and embodiments.It should be appreciated that
Specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
With reference to the accompanying drawing, by the description of the embodiment, being described further to utility model content.
A kind of adjustable lamps and lanterns of light-emitting angle are present embodiments provided, as shown in Figure 1-3, it includes heat radiation module 10, face
Ring 70, COB light source 20, lens 40 and optics light modulator 50；The COB light source 20, lens 40 and optics light modulator 50 according to
It is secondary stack after be fixed in the heat radiation module 10；The face ring 70 is connected in the heat radiation module 10 and covers the optics
Light modulator 50, the light that the COB light source 20 generates is by being irradiated in the face after the lens 40 and optics light modulator 50
To light the face ring 70 on ring 70.Wherein, the optics light modulator 50 includes light sensitive molecule material layer 5113, described photosensitive
5113 pairs of molecular material layer are scattered by the light that lens 40 irradiate thereon to adjust the light-emitting angle of the lamps and lanterns.This
Embodiment is photosensitive under electric field action by light sensitive molecule by using the optic adjustors with light sensitive molecule material layer 5113
Molecular arrangement plays different scattering processes to light, so that the light-emitting angle of lamps and lanterns is different, to realize light-emitting angle
It is adjustable.
As shown in figure 4, the optics light modulator 50 include diffusion sheet 51, the first polarizing film 54, optically-active adjuster 53 and
Second polarizing film 52；First polarizing film 54, optically-active adjuster 53, the second polarizing film 52 and diffusion sheet 51 are according to optical path side
To being sequentially arranged.That is, the light that the COB light source 20 generates sequentially passes through first polarizing film 54, optically-active is adjusted
Device 53, the second polarizing film 52 and diffusion sheet 51.Wherein, the polarization direction of first polarizing film 54 and the second polarizing film 52
Polarization direction is mutually perpendicular to, and the optically-active adjuster 53 is liquid crystal optically-active adjuster 53, for that will pass through the first polarizing film 54
The direction of light rotates to be the polarization direction perpendicular to the second polarizing film 52, so that can be with by the light of the first polarizing film 54
Transmit the second polarizing film 52.In the present embodiment, the polarization direction of first polarizing film 54 is vertical direction, the second polarizing film
52 polarization direction is horizontal direction；Or first polarizing film 54 polarization direction be horizontal direction, the second polarizing film 52 it is inclined
Vibration direction is vertical direction.
As Figure 4-Figure 6, the diffusion sheet 51 includes light diffusing sheet 511, and the light diffusing sheet 511 includes first transparent leading
Electrolemma 5111 and the second transparent conductive film 5112, the light sensitive molecule material layer 5113 are located at first transparent conductive film 5111
With the second transparent conductive film 5112, and first transparent conductive film 5111 and the second transparent conductive film 5112 compress the sense
Optical molecule material layer 5113.Wherein, first transparent conductive film 5111 and the second transparent conductive film 5112 are electrically conducting transparent electricity
Pole, and closure electrical circuit is joined to form with heat radiation module respectively.The closure electrical circuit transparent can be led described first
Form electric field between electrolemma 5111 and the second transparent conductive film 5112, the electric field action in light sensitive molecule material layer 5113, with
So that light sensitive molecule material layer 5113 is still scattered in electric field action to control 5113 transmitted ray of light sensitive molecule material layer
Light.
As it can be seen in figures 5 and 6, the closed circuit that first transparent conductive film 5111 and the second transparent conductive film 5112 are formed
On control switch can be set, being turned on or off for the electric field is controlled by the control switch.When the electric field is opened
Qi Shi, the light sensitive molecule in the light sensitive molecule layer will appear ordered arrangement under electric field conditions, and projection COB light source 20 generates light
Line and without angle adjust；When the electric field is off, Brownian movement presentation of the light sensitive molecule in light sensitive molecule layer because of its own
It without arranging to play scattering process to light, is scattered to generate light to COB light source 20, and the light is become
Wide-angle outgoing, e.g., light-emitting angle are 120 degree.Certainly, in practical applications, pressure regulation can be set on the closure electrical circuit
Resistance adjusts the electric field got along between the first transparent conductive film 5111 and the second transparent conductive film 5112 by the regulating resistor
Size, to recall the sequence of the light sensitive molecule in the light sensitive molecule material layer 5113, and then emergent ray may be implemented from 0
Spend most 120 degree of adjusting.Wherein, the light sensitive molecule layer can be polymer dispersed liquid crystal films, the polymer dispersion
Type liquid crystal film has electro-optical characteristic, its light-emitting angle can be adjusted according to electric field.For example, the polymer dispersed liquid crystal films
It is public using United States Patent (USP) 4671618, Korean Patent ApplicationNo.93-018129 (RegistrationNo.73348)
Made from a kind of production method for the phase divergence type polymer-dispersed liquid crystal opened.
As shown in figure 4, the diffusion sheet 51 can also include slide 512, the slide 512 and the light diffusing sheet
511 are arranged side by side in the horizontal direction, and the one end and light diffusing sheet 511 of the slide 512 towards the light diffusing sheet 511
It is in contact towards one end of the slide 512 to form the diffusion sheet 51.The slide 512 and the light diffusing sheet
511 are in contact with second polarizing film 52, and the two is flushed close to the side of second polarizing film 52, so that institute
The slide 512 and light diffusing sheet 511 can uniformly be injected by stating light.Wherein, the length of the slide 512 in the horizontal direction
Degree can be with the equal length of the light diffusing sheet 51 in the horizontal direction.Certainly, described in the variant embodiment of the present embodiment
Diffusion sheet 51 also may not include the slide 512.
In the present embodiment simultaneously, as shown in fig. 7, the light diffusing sheet 511 is far from 52 one side of the second polarizing film
Inclined surface, described inclined surface one end are flushed with the slide 512, and the other end inclines to the direction far from second polarizing film 52
Tiltedly, so that thickness of the light diffusing sheet 511 close to described 512 one end of slide is less than the thickness far from 512 one end of slide
Degree.In this way by the light of the light diffusing sheet 511 can be under the ramp effect on, to far from the slide 512
Direction refraction, and then increase the light-emitting angle of the smooth diffusion unit.
As shown in figure 8, the heat radiation module 10 includes the radiating shell of tubular, the radiating shell is far from the COB light
The side in source 20 is provided with accommodation space, and driving element is equipped in the accommodation space, and the COB light source 20 is placed in described dissipate
Lower section in hot shell and positioned at the accommodation space.Wherein, connecting wire is provided on the radiating shell, the connection is led
Line one end passes through the radiating shell and is connected with the driving element, the other end be placed in the radiating shell it is outer and be used for it is outer
It connects power supply to be connected, the lamps and lanterns is connected on external power supply.Certainly, in practical applications, the driving element can be with
For power drives part, power supply can be provided separately in the power drives part, avoid the independent extrapolation driving band of the needs such as LED panel
The inconvenience come.
Further, in order to improve the stability of the COB light source 20, the lamps and lanterns are also provided with COB light source gland
30, the light source gland is pressed on institute between the COB light source 20 and the lens 40, and by the COB light source 20
It states in radiating shell.Wherein, the COM light source gland is provided with centre bore, and the centre bore and the COB light source 20 match
It closes, so that the light that COB light source 20 generates is irradiated on the lens 40 by the centre bore.In addition, the lens 40
One end passes through the COB light source gland 30 and is connected with the radiating shell, and the COB light source 20 is opposite with the lens 40
It arranges and is covered by the lens 40, so that the light that the COB light source 20 generates injects the lens 40.In addition, described
Lens 40 are connected in the radiating shell using detachable structure, for example, the lens 40 are fixed on institute by buckle structure
It states inside radiating shell.
As shown in figure 9, being provided with cable-through hole 41 on the lens 40, it is connected with conducting wire on the optics light modulator 50, institute
It states conducting wire to be connected across the cable-through hole 41 with heat radiation module 10, to be connected by the driving element in the heat radiation module 10
It connects, and is the optics light modulator 50 power supply by the driving element.Wherein, the cable-through hole 41 can be round or rectangular
Deng, and the cable-through hole 41 is located at the edge of the lens 40, optics light modulator 50 can be made to be completely covered so described
Lens 40.In the preferred embodiment of embodiment, the shape of the cable-through hole 41 is identical as the shape of the conducting wire and the two
It matches, so that the conducting wire can pass through the cable-through hole 41 and the inner wall of the conducting wire and the cable-through hole 41 is affixed
It closes, can be projected in this way to avoid light by the cable-through hole 41.
As shown in Figure 1-3, the lamps and lanterns can also include connector 60, described 60 one end of connector and the heat radiation module
10 are connected, and the other end is connected with the face ring 70.Wherein, the connector 60 can be cylinder, and the cylinder and institute
It states one end that heat radiation module 10 is connected and is provided with the positioning column with bolt hole, the one end being connected with the panel is provided with
Buckle.The heat radiation module 10 is connected by the bolt cooperated with the bolt hole with the cylinder, is set in the face ring 70
It is equipped with card slot, the cylinder is detachably connected by that will be sticked in the card slot with the face ring 70.Pass through in this way
COB light source 20 is transferred to the heat of heat radiation module 10, can be partly delivered to connector 60, passes through the 60 carry out portion of connector
Dispersion heat, improves the heat dissipation effect of lamps and lanterns.At the same time it can also avoid heat from being transferred directly to face ring 70, making for face ring 70 is improved
Use the service life.
Further, as shown in Figure 1-3, the lamps and lanterns further include reflector 80, the reflector 80 is placed in the face ring 70
Interior and be connected with the connector 60, the reflector 80 is located at one of the optics light modulator 50 far from the lens 40
Side, to pass through the light of the 80 reflectance-transmittance optics light modulator 50 of reflector.Wherein, the reflector 80 is connected to the company
The inside of fitting 60, and the reflector 80 covers the optics light modulator 50, to improve the utilization rate of the light of lamps and lanterns.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of adjustable lamps and lanterns of light-emitting angle comprising: heat radiation module and the face ring matched with the heat radiation module,
It is characterized in that, COB light source, lens are disposed between the heat radiation module and the face ring and there is light sensitive molecule material
The optics light modulator of layer；The optics light modulator is located on the outer surface of the lens and covers the outer surface of the lens, leads to
The light sensitive molecule material layer is crossed to be scattered light to adjust the light-emitting angle of lamps and lanterns.
2. the adjustable lamps and lanterns of light-emitting angle according to claim 1, which is characterized in that the optics light modulator includes light diffusion
Piece, the light diffusing sheet include the first transparent conductive film and the second transparent conductive film, and the light sensitive molecule material layer is located at described
To form the light diffusing sheet between first transparent conductive film and the second transparent conductive film.
3. the adjustable lamps and lanterns of light-emitting angle according to claim 2, which is characterized in that the optics light modulator further includes successively
The first polarizing film, optically-active adjuster and the polarization direction being arranged second polarization vertical with the polarization direction of the first polarizing film
Piece, the light diffusing sheet are located at side of second polarizing film far from the optically-active adjuster.
4. the adjustable lamps and lanterns of light-emitting angle according to claim 3, which is characterized in that the optics light modulator further includes transparent
Piece, the slide are arranged side by side with the light diffusing sheet and fit with second polarizing film.
5. the adjustable lamps and lanterns of light-emitting angle according to claim 4, which is characterized in that the light diffusing sheet is far from described second
Polarizing film is inclined surface on one side, and the inclination is tilted away from the direction of second polarizing film, and close to described transparent
The thickness of piece one end is less than the thickness far from slide one end.
6. the adjustable lamps and lanterns of light-emitting angle according to claim 1, which is characterized in that it is provided with cable-through hole on the lens,
Conducting wire is provided on the optics light modulator, the conducting wire passes through the cable-through hole and is connected with heat radiation module.
7. the adjustable lamps and lanterns of light-emitting angle according to claim 1, which is characterized in that the lamps and lanterns further include COB light source pressure
Lid, the COB light source gland is connected with the heat radiation module, and the COB light source is fixed in the heat radiation module.
8. the adjustable lamps and lanterns of light-emitting angle according to claim 7, which is characterized in that the lens far from the face ring one
End covers the COB light source across the COB light source gland, so that the light injection that the COB light source generates is described
Mirror.
9. the adjustable lamps and lanterns of light-emitting angle according to claim 1, which is characterized in that the lamps and lanterns further include connector, institute
It states connector one end to be connected with the heat radiation module, the other end is connected with the face ring, and the face ring is dissipated with described
Thermal module connection.
10. the adjustable lamps and lanterns of light-emitting angle according to claim 9, which is characterized in that the lamps and lanterns further include reflector, institute
It states reflector to be placed in the face ring and be connected with the connector, the reflector is located at the optics light modulator far from institute
The side of lens is stated, to pass through the light of the reflector reflectance-transmittance optics light modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506598.1U CN208687529U (en) | 2018-09-14 | 2018-09-14 | A kind of adjustable lamps and lanterns of light-emitting angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506598.1U CN208687529U (en) | 2018-09-14 | 2018-09-14 | A kind of adjustable lamps and lanterns of light-emitting angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208687529U true CN208687529U (en) | 2019-04-02 |
Family
ID=65888693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821506598.1U Active CN208687529U (en) | 2018-09-14 | 2018-09-14 | A kind of adjustable lamps and lanterns of light-emitting angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208687529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185978A (en) * | 2019-04-30 | 2019-08-30 | 天津中创天地科技发展有限公司 | A kind of museum's private environment Projecting Lamp |
| CN110726119A (en) * | 2019-11-29 | 2020-01-24 | 广东洲明节能科技有限公司 | Lens unit, lens and lamp |
-
2018
- 2018-09-14 CN CN201821506598.1U patent/CN208687529U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185978A (en) * | 2019-04-30 | 2019-08-30 | 天津中创天地科技发展有限公司 | A kind of museum's private environment Projecting Lamp |
| CN110726119A (en) * | 2019-11-29 | 2020-01-24 | 广东洲明节能科技有限公司 | Lens unit, lens and lamp |
| CN110726119B (en) * | 2019-11-29 | 2021-06-04 | 广东洲明节能科技有限公司 | Lens unit, lens and lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1196885C (en) | Display system having a light source separate from a display device | |
| US8125127B2 (en) | Reflective device for area lighting using narrow beam light emitting diodes | |
| TWI274205B (en) | Backlighting transmissive displays | |
| CN102016676B (en) | Lens body, light source unit and illuminating device | |
| US7625091B2 (en) | Illuminating device and projector device | |
| CN208687529U (en) | A kind of adjustable lamps and lanterns of light-emitting angle | |
| CN101457900B (en) | Low diverging LED light source module | |
| CN1417635A (en) | Projector light source and projection image display equipment with the lignt source | |
| CN102792091A (en) | Illumination apparatus | |
| TW421728B (en) | Projector having a self-aligning replaceable projection lamp mechanism | |
| US7819532B2 (en) | Projector | |
| US9746709B2 (en) | Backlight unit and display apparatus including the same | |
| WO2020253526A1 (en) | Lens and lamp | |
| CN104595853A (en) | Light condensing and scattering adjusting module | |
| CN208011318U (en) | Glare prevention LED lamp | |
| CN102095164B (en) | Low-divergence light emitting diode (LED) light source | |
| CN207394395U (en) | Illumination module | |
| TWI683163B (en) | Directional thin liquid crystal display backlight illumination system | |
| CN205619064U (en) | Linear lamps and lanterns of LED with leading grating membrane lens | |
| TW200900626A (en) | Illumination device and optical component fixed structure | |
| CN110630932A (en) | Novel LED module track shot-light | |
| CN208901184U (en) | A kind of wall projecting lamp | |
| CN105650531A (en) | LED linear lamp with front lenticular film lens and manufacture method | |
| TW580608B (en) | Liquid crystal projection device capable of being used in standing and lying | |
| CN213840612U (en) | Single-bias light emitting lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |