CN204629355U - A kind of optical lens, straight-down negative LED lamp bar and liquid crystal indicator - Google Patents
A kind of optical lens, straight-down negative LED lamp bar and liquid crystal indicator Download PDFInfo
- Publication number
- CN204629355U CN204629355U CN201520104407.9U CN201520104407U CN204629355U CN 204629355 U CN204629355 U CN 204629355U CN 201520104407 U CN201520104407 U CN 201520104407U CN 204629355 U CN204629355 U CN 204629355U
- Authority
- CN
- China
- Prior art keywords
- point material
- optical lens
- quanta point
- lens body
- 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.)
- Expired - Fee Related
Links
Landscapes
- Led Device Packages (AREA)
Abstract
The utility model is applicable to LED luminous intensity distribution technical field, a kind of optical lens is provided, comprise lens body, the groove for holding LED is inwardly offered from a surface of lens body, the quanta point material also offering stratiform in the inside of lens body fills chamber, quanta point material is filled chamber and to be covered in above groove and the light emitting region at least covering LED, has at least one fill the filling mouth that chamber is communicated with quanta point material in the surface of lens body.Quanta point material by offering cavity in optical lens, to inject in cavity and to seal, quanta point material and optical lens can be made to be integrated by the utility model, optical lens mechanical strength is non-friable greatly, easy sealing, compare with quantum dot fluorescent tube with traditional quantum dot diaphragm, it is not fragile, good airproof performance, anti-oxidant corrosion resistance is good, and easily, transport carrying security is high in assembling, and cost is low, be applicable to extensive use.
Description
Technical field
The utility model belongs to straight-down negative LED luminous intensity distribution technical field, particularly a kind of optical lens, straight-down negative LED lamp bar and liquid crystal indicator.
Background technology
Straight-down negative LED lamp bar mainly comprises pcb board, LED and optical lens, and optical lens is by reflecting or reflecting the light energy uniform transmission sent by LED.LED mainly comprises LED wafer, support and fluorescent material, LED wafer blue light-emitting, and excitated fluorescent powder forms white light source.Quanta point material is as the more and more extensive of material application that be excited, such as quantum dot TV, the technical scheme of its backlight portion mainly contains two kinds, and the first is realized by quantum dot diaphragm, quantum spot semiconductor nano-materials on LED lamp bar blue light-emitting excitation quantum point diaphragm, and then obtain white light.It two is realized by quantum starter lamp, the quantum spot semiconductor nano-materials on LED lamp bar blue light-emitting excitation quantum starter lamp, and then obtains white light.But, take which kind of scheme all to there is larger technical bottleneck and Cost Problems.For quantum dot diaphragm scheme, diaphragm seal is maximum technical bottleneck, and quantum dot diaphragm cost intensive; For quantum dot fluorescent tube scheme, because quantum dot fluorescent tube is frangible, therefore the mechanical stability of the product such as finished product LCD TV is poor, and and not easily transports.
Utility model content
The purpose of this utility model is to provide a kind of optical lens, is intended to the encapsulation being convenient to quanta point material, and strengthens the mechanical strength of product, makes it easy to transport, cost-saving.
The utility model realizes like this, a kind of optical lens, for being LED luminous intensity distribution, comprise lens body, the groove for holding LED is inwardly offered from a surface of described lens body, the quanta point material also offering stratiform in the inside of described lens body fills chamber, and described quanta point material is filled chamber and to be covered in above described groove and the light emitting region at least covering described LED, has at least one fill the filling mouth that chamber is communicated with described quanta point material in the surface of described lens body.
As optimal technical scheme of the present utility model:
Described quanta point material is filled in chamber and is filled with quantum dot light emitting material, and described filling mouth is sealed by colloid or sealed by the material molten of described lens body.
Described filling mouth is positioned at the surface that described lens body offers described groove.
It is the bowl-shape or hemispherical of back-off that described quanta point material fills chamber, and its port offers the surface of described groove close to described lens body.
Described lens body forms exiting surface in the opposite side of described groove, and described exiting surface is level and smooth convex surface and center caves inward.
Described lens body is structure as a whole.
Described lens body is combined by least two assemblies, and described quanta point material is filled after chamber is combined by described assembly and formed.
Or described lens body is combined by least two assemblies, described quanta point material is filled chamber and is opened in one of them assembly.
Another object of the present utility model is to provide a kind of straight-down negative LED lamp bar, comprises pcb board and is arranged at several LED on described pcb board, on each described LED, be provided with light-distribution lens, the optical lens described in described light-distribution lens adopts.
Another object of the present utility model is to provide a kind of liquid crystal indicator, comprises backlight module and display screen, and described backlight module comprises described straight-down negative LED lamp bar.
Preferably, described backlight module also comprises the blooming piece be arranged on described LED lamp bar.
The quanta point material that the utility model offers stratiform in optical lens inside fills chamber, and makes this cavity at least cover the light emitting region of LED, and LED sends blue-light excited quantum dot light emitting material to form white light.By offering cavity in optical lens, quanta point material to be injected in cavity and to seal, quanta point material and optical lens can be made to be integrated, optical lens mechanical strength is non-friable greatly, easy sealing, compare with quantum dot fluorescent tube with traditional quantum dot diaphragm, it is not fragile, good airproof performance, anti-oxidant corrosion resistance is good, and easily, transport carrying security is high in assembling, and cost is low, be applicable to extensive use.
Accompanying drawing explanation
Fig. 1 is the perspective view of the optical lens that the utility model embodiment provides;
Fig. 2 is the plan structure schematic diagram of the optical lens that the utility model embodiment provides;
Fig. 3 is that the A-A of optical lens shown in Fig. 2 is to sectional view;
Fig. 4 be the optical lens that provides of the utility model embodiment look up structural representation;
Fig. 5 is the part isometric structural representation of the straight-down negative LED lamp bar that the utility model embodiment provides;
Fig. 6 is the partial top structural representation of the straight-down negative LED lamp bar that the utility model embodiment provides;
Fig. 7 is that the B-B of the LED lamp bar of straight-down negative shown in Fig. 6 is to sectional view.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with specific embodiment, specific implementation of the present utility model is described in detail:
Please refer to Fig. 1 to Fig. 4, the utility model embodiment provides a kind of optical lens, for being LED luminous intensity distribution, this optical lens comprises lens body 1, according to the shape need of luminous intensity distribution hot spot, observe from the optical axis direction of lens body 1, the shape of this lens body 1 can be the shapes such as circle, rectangle, ellipse, is respectively used to form circle, rectangle and oval hot spot.One surface 11 of this lens body 1 inwardly offers the groove 12 for holding LED2, the incidence surface of 11, surface as lens of this groove 12 correspondence, the surface of the opposite side of groove 12 is then as the exiting surface 13 of lens, the light entered through incidence surface, usually used as reflecting surface, reflects to exiting surface 13 with suitable angle by the side 14 of lens.The inside of lens body 1 offers quanta point material and fills chamber 15, it is that one deck has certain thickness stratiform cavity that this quanta point material fills chamber 15, it is covered in above groove 12 and at least continuous print covers the light emitting region of LED2, the light sent to make LED2 can excitation quantum point material emission, there is on the surface of lens body 1 at least one and fill mouth 16, filling quanta point material for filling chamber 15 to quanta point material.
Further, can fill in chamber 15 to quanta point material and fill quanta point material, filling mouth 16 be sealed, LED luminous intensity distribution can be directly used in.Also quanta point material can be filled again in cavity in use.When fill mouth 16 be flat mouth or recess time, plastic cement can be adopted seal, when filling mouth 16 is tang, this tang place material molten can be sealed.
Preferably, fill mouth 16 and be opened in the surface 11 that lens body 1 offers groove 12, the namely bottom surface of optical lens, prevent the light-out effect of filling mouth 16 pairs of lens from impacting.
In the present embodiment, quanta point material fills chamber 15 for the continuous print cavity such as bowl-shape or hemispherical in back-off, its port offers the surface 11 of groove 12 close to lens body 1, namely groove 12 can surround by this cavity, the light that LED2 is sent can full illumination to the quanta point material in cavity, to obtain equal white light.
In the present embodiment, this quanta point material fill chamber 15 can be make optical lens time and lens body 1 one-time formed, this optical lens is structure as a whole.This optical lens also can be adopt that two or more lens subassembly is seamless combines, and its quanta point material is filled after chamber 15 is combined by lens subassembly and formed, is convenient to the making in quanta point material filling chamber like this.In addition, lens body 1 also can be combined by least two assemblies, and quanta point material is filled chamber 15 and is opened in one of them assembly.
In the present embodiment, as the exiting surface of optical lens, it plays vital effect to the light distribution effect of lens.As Fig. 3, the exiting surface 13 in the present embodiment can be level and smooth convex surface, and its centre caves inward, and can avoid the problem that emergent light center light intensity is excessive like this.In other embodiments, exiting surface 13 also can be coarse convex surface, to strengthen the uniformity of emergent light.Exiting surface 13 can be also other shapes, and the present embodiment does not limit.
The quanta point material that the utility model offers stratiform in optical lens inside fills chamber 15, and makes this cavity at least cover the light emitting region of LED2, and LED2 sends blue-light excited quanta point material to form white light.By offering cavity in optical lens, being injected by quanta point material in cavity and to seal, quanta point material and optical lens are integrated, and optical lens mechanical strength is non-friable greatly, good airproof performance, compare with quantum dot fluorescent tube with traditional quantum dot diaphragm, it is not fragile, good airproof performance, assembling easily, transport carrying security is high, and cost is low, is applicable to being widely used in LED luminous intensity distribution.
The utility model provides a kind of straight-down negative LED lamp bar further, as Fig. 5 ~ 7, the part-structure schematic diagram of LED lamp bar has been shown in Fig. 5, it comprises pcb board 3 and is arranged at several LED2 on pcb board 3, on each LED2, be provided with above-mentioned optical lens, LED2 is arranged in the groove 12 of optical lens.It is a unit that this LED lamp bar can be considered as with structure shown in Fig. 5, by the structure that multiple such unit is connected to form.This LED lamp bar may be used for making in the equipment such as backlight module, LED billboard.
The utility model provides a kind of liquid crystal indicator further, comprises backlight module and display screen, and this backlight module comprises several above-mentioned straight-down negative LED lamp bar.Certainly, this backlight module also comprises the blooming piece be arranged on LED lamp bar, to obtain the white light that uniform luminance is bright more.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an optical lens, for being LED luminous intensity distribution, it is characterized in that, comprise lens body, the groove for holding LED is inwardly offered from a surface of described lens body, the quanta point material also offering stratiform in the inside of described lens body fills chamber, and described quanta point material is filled chamber and to be covered in above described groove and the light emitting region at least covering described LED, has at least one fill the filling mouth that chamber is communicated with described quanta point material in the surface of described lens body.
2. optical lens as claimed in claim 1, is characterized in that, described quanta point material is filled in chamber and is filled with quanta point material, and described filling mouth is sealed by colloid or sealed by the material molten of described lens body.
3. optical lens as claimed in claim 1, it is characterized in that, described filling mouth is positioned at the surface that described lens body offers described groove.
4. optical lens as claimed in claim 1, is characterized in that, it is the bowl-shape or hemispherical of back-off that described quanta point material fills chamber, and its port offers the surface of described groove close to described lens body.
5. optical lens as claimed in claim 1, is characterized in that, described lens body forms exiting surface in the opposite side of described groove, and described exiting surface is level and smooth convex surface and center caves inward.
6. optical lens as claimed in claim 1, it is characterized in that, described lens body is structure as a whole.
7. optical lens as claimed in claim 1, it is characterized in that, described lens body is combined by least two assemblies, and described quanta point material is filled after chamber is combined by described assembly and formed.
8. optical lens as claimed in claim 1, it is characterized in that, described lens body is combined by least two assemblies, and described quanta point material is filled chamber and is opened in one of them assembly.
9. a straight-down negative LED lamp bar, it is characterized in that, comprise pcb board and be arranged at several LED chip on described pcb board, on each described LED chip, be provided with light-distribution lens, described light-distribution lens adopts the optical lens described in any one of claim 1 to 7.
10. a liquid crystal indicator, is characterized in that, comprises backlight module and display screen, and described backlight module comprises straight-down negative LED lamp bar according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104407.9U CN204629355U (en) | 2015-02-12 | 2015-02-12 | A kind of optical lens, straight-down negative LED lamp bar and liquid crystal indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104407.9U CN204629355U (en) | 2015-02-12 | 2015-02-12 | A kind of optical lens, straight-down negative LED lamp bar and liquid crystal indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204629355U true CN204629355U (en) | 2015-09-09 |
Family
ID=54048381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520104407.9U Expired - Fee Related CN204629355U (en) | 2015-02-12 | 2015-02-12 | A kind of optical lens, straight-down negative LED lamp bar and liquid crystal indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204629355U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108064357A (en) * | 2017-05-15 | 2018-05-22 | 苏州奥浦迪克光电技术有限公司 | The backlight module of backlight module lens and its composition |
| CN111061087A (en) * | 2018-10-16 | 2020-04-24 | 深圳Tcl新技术有限公司 | Split type quantum dot lens and backlight module |
| CN111103722A (en) * | 2018-10-26 | 2020-05-05 | 深圳Tcl新技术有限公司 | Backlight source and optical module |
-
2015
- 2015-02-12 CN CN201520104407.9U patent/CN204629355U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108064357A (en) * | 2017-05-15 | 2018-05-22 | 苏州奥浦迪克光电技术有限公司 | The backlight module of backlight module lens and its composition |
| CN111061087A (en) * | 2018-10-16 | 2020-04-24 | 深圳Tcl新技术有限公司 | Split type quantum dot lens and backlight module |
| CN111103722A (en) * | 2018-10-26 | 2020-05-05 | 深圳Tcl新技术有限公司 | Backlight source and optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203404682U (en) | Backlight module and liquid crystal display device | |
| CN104566015B (en) | A kind of quantum dot backlight module and display device | |
| CN101546063A (en) | Ultra thin type LCD use backlight module taking LED as light source | |
| JP5373859B2 (en) | Lighting device | |
| CN106873243B (en) | Diffusion plate support, direct type backlight module and display device | |
| CN104848099A (en) | High-color-gamut backlight module and display device | |
| KR20140142059A (en) | Illuminating apparatus and liquid crystal display having the same | |
| CN204629355U (en) | A kind of optical lens, straight-down negative LED lamp bar and liquid crystal indicator | |
| WO2013120279A1 (en) | Light guide plate, backlight module and liquid crystal display device | |
| CN105759500A (en) | Quantum dot backlight module and liquid crystal television | |
| US20140146518A1 (en) | Backlight module incorporating light-diffusion and light-conversion plate | |
| CN204268262U (en) | Direct LED backlight | |
| US7481558B2 (en) | Lateral light emitting apparatus | |
| US9405051B2 (en) | Backlight assembly and display device having the same | |
| CN203644813U (en) | LED support, LED, and LED light bar | |
| US20040130019A1 (en) | Light source system with sealed light emitting diode recesses | |
| CN105629569B (en) | CSP encapsulates LED light emission device | |
| CN104930375B (en) | Quantum pipe light-emitting device, backlight module and liquid crystal display | |
| US9281455B2 (en) | LED packaging structure having concave lens structure at light-emitting side of LED chip | |
| CN205958891U (en) | Backlight module and display device | |
| JP2006086408A (en) | Led device | |
| CN207181896U (en) | A kind of backlight source module and display device based on quantum film | |
| CN204345379U (en) | LED lamp bar, backlight module and liquid crystal indicator | |
| CN102214770A (en) | Light-emitting diode (LED) planar light source support and light-emitting diode (LED) planar light source with same | |
| CN103137839B (en) | A kind of sheet type White-light LED package structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20170212 |