CN205824927U - A kind of lens of LED liquid crystal television backlight lamp bead - Google Patents
A kind of lens of LED liquid crystal television backlight lamp bead Download PDFInfo
- Publication number
- CN205824927U CN205824927U CN201620726140.1U CN201620726140U CN205824927U CN 205824927 U CN205824927 U CN 205824927U CN 201620726140 U CN201620726140 U CN 201620726140U CN 205824927 U CN205824927 U CN 205824927U
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- collecting part
- light collecting
- lens
- light
- lamp bead
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Abstract
These novel lens disclosing a kind of LED liquid crystal television backlight lamp bead, including integrated first light collecting part and the second light collecting part;The bottom of the first light collecting part is the incidence surface of lens, and is shaped with the round table-like incident ring caved in lens bottom it, and the periphery of incident ring is shaped with Fresnel Lenses face, and corner, bottom sets four positioning shaft post;Second light collecting part includes the exiting surface of inverted cone-shaped that be located at its end face, that cave in lens interior, four positioning shaft post are affixed with LED light source location for these lens, incidence surface is for receiving the light from LED light source, and the light being incident to the first light collecting part and the second light collecting part via incident ring and Fresnel Lenses face goes out light via the side of exiting surface and the first light collecting part and the second light collecting part.Being applied to 3030 lamp bead location after the size of this novel incident ring of lens change, lens can be stopped off normal when producing paster lens and cause the defective problem of light efficiency, and lens can be effectively improved lens production efficiency, reduces fraction defective.
Description
Technical field
This utility model relates to field of LED illumination, particularly to the lens of a kind of LED liquid crystal television backlight lamp bead.
Background technology
Light emitting diode (Light Emitting Diode, LED) because of have low in energy consumption, life-span length, volume are little and bright
Spend high characteristic and be widely applied to a lot of field.Light directly from light emitting diode outgoing tends not to very well at present
Ground meets lighting demand, and general employing is installed the mode of lens on a light emitting diode additional and is adjusted its output light type.Root
According to the difference to light regulating effect, lens can be divided into again light-focusing type and two kinds of astigmatism type.Due to lighting field generally to light intensity
Requiring higher, therefore light-focusing type lens are the most extensive in the application of this field.LED shot-light secondary optical light distribution lens, basic training
Can be rising angle and the light extraction efficiency controlling light.But, the control energy of the most conventional light-focusing type lens on light beam angle
Power is not enough, causes some light with larger angle outgoing, thus causes the edge jaundice of output light type or showing of bright circle occur
As, it is unfavorable for that industry is applied.Furthermore, existing lens are in the case of light source is certain, because its size is big, the raw material of demand is relatively
Many;When minification, its light efficiency can change with using function, and is welded on backlight illumination assembly mating with light source
Time, the wider width of pcb board demand, therefore raw material is the biggest with PCB cost.Further, 3030 lamp bead are commonly used for LED liquid crystal
Television backlight illumination, but there is easy off normal when assembling with lamp bead in the existing lens mated with 3030 lamp bead light sources, is easily caused
Lens light efficiency is defective, and lamp bead fraction defective is high.
Utility model content
Of the present utility model solving the technical problem that is the defect for above-mentioned existence of the prior art, provides one
The lens of LED liquid crystal television backlight lamp bead, these lens are applicable to 3030 lamp bead, and this lens arrangement can be effectively improved lens and produce
Efficiency, fraction defective is low.
For solving above-mentioned technical problem, the technical scheme that this utility model is taked is as follows: a kind of LED liquid crystal television backlight
The lens of pearl, including integrated first light collecting part and the second light collecting part;The bottom of described first light collecting part is entering of lens
Bright finish, the medium position bottom described first light collecting part is shaped with the round table-like incident ring caved in lens, the end of this incidence ring
Face a diameter of φ 4.5mm-φ 4.7mm;It is shaped with Fresnel Lenses face on the periphery of described incident ring bottom described first light collecting part,
It is additionally provided with four positioning shaft post on the bottom of described first light collecting part, and this four positioning shaft post is distributed at the bottom of described first light collecting part
On the corner location in portion;Described second light collecting part include being located at its end face, go out light to the inverted cone-shaped of lens interior depression
Face, the basal diameter of inverted cone belonging to this exiting surface is φ 14.35mm-φ 14.55mm;Described four positioning shaft post are used for these lens
Affixed with LED light source location, described incidence surface is for receiving the light from LED light source, via described incident ring and Fresnel
Lens face is incident to the light of integrated described first light collecting part and the second light collecting part via described exiting surface and described
The side of one light collecting part and the second light collecting part goes out light.
It is expanded on further as to upper technical scheme:
In technique scheme, described lens are rotary structure.
In technique scheme, described incident ring be basal diameter be the incident ring of φ 4.69mm, described exiting surface institute
The basal diameter belonging to inverted cone is φ 14.45mm.
In technique scheme, integrated first light collecting part and the second light collecting part height overall are 7.7-7.9mm, described
First light collecting part is to the convex light collecting part prolonging into skirt section of its outer, and the diameter of the first light collecting part is from described second light collecting part court
Become larger to incidence surface direction;One is set to the convex square skirt section prolonged of its outer surrounding, the party bottom described first light collecting part
Shape skirt section constitutes the bottom base of described first light collecting part, and the four limit length of sides in this square skirt section are 16mm-18mm, square skirt section
Height be 1.1mm-1.3mm.Further, integrated first light collecting part and the second light collecting part height overall are 7.81mm, described
The four limit length of sides in square skirt section are 17mm, and the height in square skirt section is 1.2mm.
In technique scheme, the side of described first light collecting part is the first side, and this first side is to gather to first
The curved surface of light portion outer projection.
In technique scheme, a diameter of φ 1.1mm-φ 1.2mm, a height of 0.3-0.4mm of post of described positioning shaft post.
Further, a diameter of φ 1.16mm of described positioning shaft post, a height of 0.35mm of post.
Compared with prior art, the beneficial effects of the utility model are: the incident ring of lens of the present utility model change
Being applied to 3030 lamp bead location after size, lens can be stopped off normal when producing paster lens and cause the defective problem of light efficiency, should
Lens can be effectively improved lens production efficiency, reduces the fraction defective during lamp bead produces.
Accompanying drawing explanation
Fig. 1 is this new type lens exiting surface perspective view upward；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is A-A cross section view in Fig. 1；
Fig. 5 is this new type lens incidence surface perspective view upward；
Fig. 6 is the plan view of Fig. 5.
In figure, 1. the first light collecting part;2. the second light collecting part;The most square skirt section, 4. incidence surface, 5. Fresnel Lenses face, 6.
Incident ring, 7. positioning shaft post;8. exiting surface, 11. first sides, 21. second sides.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
With reference to accompanying drawing 1-6, a kind of specific embodiment of these novel lens is as follows: a kind of LED liquid crystal television backlight lamp bead
Lens, including integrated first light collecting part 1 and the second light collecting part 2;The bottom of described first light collecting part 1 is lens
Incidence surface 4, described second light collecting part 2 includes the exiting surface 8 of inverted cone-shaped that be located at its end face, that cave in lens interior, should
The basal diameter L2 of inverted cone belonging to exiting surface 8 is φ 14.35mm-φ 14.55mm, preferably φ 14.5mm, integrated
One light collecting part 1 and the second light collecting part 2 height overall H3 is 7.7-7.9mm, preferably 7.81mm, and described first light collecting part 1 is outside lens
The convex light collecting part prolonging into skirt section in portion, and the diameter of the first light collecting part 1 is from described second light collecting part 2 towards incidence surface 4 direction gradually
Become big;Setting one to the convex square skirt section 3 prolonged of its outer surrounding bottom described first light collecting part 1, this square skirt section 3 constitutes described
The bottom base of the first light collecting part 1, the upper surface in square skirt section 3 flushes in same with the soffit plane of described first light collecting part 1
In plane, and the upper surface in the soffit plane of the first light collecting part 1 and square skirt section 3 constitutes inscribe in position (with reference to accompanying drawing 1-
2), and four limit length of sides D in this square skirt section are 16mm-18mm, preferably 17mm, the soffit plane of corresponding described first light collecting part 1
Diameter L4 be φ 16mm-φ 18mm, preferably φ 17mm, the height H1 in square skirt section be 1.1mm-1.3mm, preferably 1.2mm;Institute
Stating and be shaped with the round table-like incident ring 6 caved in lens on the medium position bottom the first light collecting part 1, the bottom surface of this incidence ring 6 is straight
Footpath L5 is φ 4.5mm-φ 4.7mm, preferably 4.69mm, and distance D2 of this incidence ring 6 spacing square skirt section 3 outermost end is
6.49mm(is with reference to accompanying drawing 6);It is shaped with Fresnel Lenses face 5, institute on the periphery of described incident ring 6 bottom described first light collecting part 1
State and on the bottom of the first light collecting part 1, be additionally provided with four positioning shaft post 7, and this four locating shaft 7 post is distributed on described first light collecting part 1
On the corner location of bottom, the space D 1 between positioning shaft post 7 is 12.5mm two-by-two.Described four locating shafts of these novel lens
Post 7 is affixed with LED light source location for these lens, and after completing lamp bead preparation, described incidence surface 4 can receive from LED light source
Light, is incident to integrated described first light collecting part 1 and the second optically focused via described incident ring 6 with Fresnel Lenses face 5
The light in portion 2 goes out light via the side (11,21) of described exiting surface 8 and described first light collecting part 1 and the second light collecting part 2.
Wherein, the side of described first light collecting part 1 is the first side 11, and this first side 11 is outside the first light collecting part 1
The curved surface that portion is protruding, the side of described second light collecting part 2 is the second sidelight face 21.And the diameter L1 of described positioning shaft post 7 is φ
1.1mm-φ 1.2mm, preferably φ 1.16mm, post height H2 are 0.3-0.4mm, preferably 0.35mm.
Of the present utility model after the size (being changed to φ 4.69mm by original diameter phi 5.4mm) of the incident ring 6 of change
Being applied to 3030 lamp bead location, lens can be stopped off normal when producing paster lens and cause the defective problem of light efficiency, and these lens can
To be effectively improved lens production efficiency, reduce the fraction defective during lamp bead produces.
Below not technical scope of the present utility model is imposed any restrictions, all according to this utility model technical spirit to
On embodiment any amendment, equivalent variations and the modification made, all still fall within the range of the technical solution of the utility model.
Claims (8)
1. the lens of a LED liquid crystal television backlight lamp bead, it is characterised in that: include integrated first light collecting part and second
Light collecting part;The incidence surface that bottom is lens of described first light collecting part, the medium position bottom described first light collecting part is shaped with
The round table-like incident ring caved in lens, the basal diameter of this incidence ring is φ 4.5mm-φ 4.7mm;At the bottom of described first light collecting part
It is shaped with Fresnel Lenses face on the periphery of incident ring described in portion, the bottom of described first light collecting part is additionally provided with four locating shafts
Post, and this four positioning shaft post is distributed on the corner location bottom described first light collecting part;Described second light collecting part includes being located at
Its end face, to the exiting surface of inverted cone-shaped of lens interior depression, belonging to this exiting surface, the basal diameter of inverted cone is φ
14.35mm-φ14.55mm;Described four positioning shaft post are affixed with LED light source location for these lens, and described incidence surface is used for connecing
Receive the light from LED light source, be incident to integrated described first optically focused via described incident ring with Fresnel Lenses face
The light of portion and the second light collecting part goes out light via the side of described exiting surface and described first light collecting part and the second light collecting part.
The lens of a kind of LED liquid crystal television backlight lamp bead the most according to claim 1, it is characterised in that: described lens are
Rotary structure.
The lens of a kind of LED liquid crystal television backlight lamp bead the most according to claim 1, it is characterised in that: described incident ring
For the incident ring that basal diameter is φ 4.69mm, belonging to described exiting surface, the basal diameter of inverted cone is φ 14.45mm.
The lens of a kind of LED liquid crystal television backlight lamp bead the most according to claim 1, it is characterised in that: integrated
First light collecting part and the second light collecting part height overall are 7.7-7.9mm, and described first light collecting part is to prolong into skirt section to its outer is convex
Light collecting part, and the diameter of the first light collecting part becomes larger towards incidence surface direction from described second light collecting part;Described first optically focused
Setting one to the convex square skirt section prolonged of its outer surrounding bottom portion, this square skirt section constitutes the bottom base of described first light collecting part
Seat, and the four limit length of sides in this square skirt section are 16mm-18mm, the height in square skirt section is 1.1mm-1.3mm.
The lens of a kind of LED liquid crystal television backlight lamp bead the most according to claim 4, it is characterised in that: integrated
First light collecting part and the second light collecting part height overall are 7.81mm, and the four limit length of sides in described square skirt section are 17mm, the height in square skirt section
Degree is 1.2mm.
6. according to the lens of a kind of LED liquid crystal television backlight lamp bead described in claim 4 any one, it is characterised in that: institute
The side stating the first light collecting part is the first side, and this first side is the curved surface to the first light collecting part outer projection.
The lens of a kind of LED liquid crystal television backlight lamp bead the most according to claim 1, it is characterised in that: described locating shaft
A diameter of φ 1.1mm-φ 1.2mm, a height of 0.3-0.4mm of post of post.
The lens of a kind of LED liquid crystal television backlight lamp bead the most according to claim 1, it is characterised in that: described locating shaft
A diameter of φ 1.16mm of post, a height of 0.35mm of post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620726140.1U CN205824927U (en) | 2016-07-12 | 2016-07-12 | A kind of lens of LED liquid crystal television backlight lamp bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620726140.1U CN205824927U (en) | 2016-07-12 | 2016-07-12 | A kind of lens of LED liquid crystal television backlight lamp bead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205824927U true CN205824927U (en) | 2016-12-21 |
Family
ID=57564574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620726140.1U Expired - Fee Related CN205824927U (en) | 2016-07-12 | 2016-07-12 | A kind of lens of LED liquid crystal television backlight lamp bead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205824927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500013A (en) * | 2016-12-30 | 2017-03-15 | 杭州光锥科技有限公司 | Projecting Lamp lens, light emitting module and Projecting Lamp |
| CN110307524A (en) * | 2019-06-24 | 2019-10-08 | 深圳明智超精密科技有限公司 | A kind of new type reflection and refractive optics TV lens |
-
2016
- 2016-07-12 CN CN201620726140.1U patent/CN205824927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500013A (en) * | 2016-12-30 | 2017-03-15 | 杭州光锥科技有限公司 | Projecting Lamp lens, light emitting module and Projecting Lamp |
| CN110307524A (en) * | 2019-06-24 | 2019-10-08 | 深圳明智超精密科技有限公司 | A kind of new type reflection and refractive optics TV lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lens of LED LCD TV backlight pearl Effective date of registration: 20170922 Granted publication date: 20161221 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Dongguan Liangyou Hardware Co., Ltd. Registration number: 2017440000093 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20210712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |