CN208832378U - A kind of TV backlight lens - Google Patents
A kind of TV backlight lens Download PDFInfo
- Publication number
- CN208832378U CN208832378U CN201821449872.6U CN201821449872U CN208832378U CN 208832378 U CN208832378 U CN 208832378U CN 201821449872 U CN201821449872 U CN 201821449872U CN 208832378 U CN208832378 U CN 208832378U
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- CN
- China
- Prior art keywords
- light
- lenticular body
- arc
- backlight lens
- circular cavity
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Abstract
The utility model discloses a kind of TV backlight lens, including lenticular body, it is characterized in that, the upper surface of described lenticular body is equipped with light-emitting surface, the bottom surface of the lenticular body is equipped with the circular cavity that Open Side Down, and the circular cavity inner wall is arc-shaped to be used as incidence surface, installing port of the opening of the circular cavity as LED lamp bead, the bottom surface of the lenticular body is equipped with diffusing reflection face, and the edge of the light-emitting surface and bottom surface is connected by vertical wall surface.The TV backlight lens of the utility model can make uniform illumination, and brightness is high, and light is soft.
Description
Technical field
The utility model belongs to photoelectricity optical technical field, and in particular to a kind of TV backlight lens.
Background technique
The application of LED backlight technology is more and more mature at present, such as surveys light formula LED backlight TV and direct-light type LED backlight electricity
Depending on using corresponding LED backlight mould group, however to have still had uneven illumination even, bright for LED backlight lens in the prior art
The degree technical problems such as not enough, or even have hot spot appearance, so that visual soft degree and the uniformity are still weak.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of TV backlight lens, make uniform illumination, brightness is high.
The utility model uses following technical scheme:
A kind of TV backlight lens, including lenticular body, the upper surface of described lenticular body are equipped with light-emitting surface, the bottom surface of the lenticular body
Equipped with the circular cavity that Open Side Down, the arc-shaped face of circular cavity inner wall is as incidence surface, the opening of the circular cavity
As the installing port of LED lamp bead, the bottom surface of the lenticular body is equipped with diffusing reflection face, and the edge of the light-emitting surface and bottom surface passes through perpendicular
The linking of straight wall face.
Preferably, the overall thickness of the lenticular body is within the scope of 4 ~ 7mm, and the height of the vertical wall surface is in 2 ~ 3mm range
It is interior.The size range makes light irradiate uniform, no dark space, while generating without hot spot.
Preferably, the centre of the arc surface that the light-emitting surface is centrosymmetric, the arc surface is equipped with concave structure, concave surface
Depth within the scope of 0.4 ~ 0.8mm；It need to be debugged according to the height size difference and overall dimensions of circular cavity, the circle
The height of shape cavity is within the scope of 3 ~ 4mm；The light being irradiated on concave structure is set to be refracted into the face direction far from LED light
On, make the divergence of beam projected, avoids the formation of hot spot.
Preferably, the bottom surface of the lenticular body, which is located at around the circular cavity, is equipped with positioning column.It is easily installed fixation.
Preferably, the quantity of the positioning column is three, and the setting that is centrosymmetric.
Preferably, arc convex there are three setting on the vertical wall surface, three arc convex are respectively and described in three
Positioning column position is corresponding.It is located at the figure convex surface on the positioning column and the line at lenticular body center.Convenient for lenticular body with
Installation position quick-fit is fixedly mounted.
It preferably, further include being mounted on the LED lamp bead of circular cavity opening, and the wiring board being mounted below LED lamp bead.
Compared with prior art, the utility model has the beneficial effects that working principle is light out of, arc circular cavity
The incidence surface of wall surface irradiates and the refraction in diffusing reflection face, irradiates to come from light-emitting surface.Circular cavity makes light scatter, illumination
Uniformly, brightness is high, and no hot spot generates；The light of refraction is re-reflected into light-emitting surface and shone out by diffusing reflection face, is improved brightness, is subtracted
Few veiling glare and remaining light, light is soft to spend, so that the soft degree of the light for irradiating TV and the uniformity are higher, visual effect is more
It is good.
Detailed description of the invention
Fig. 1 is the sectional structure chart of the TV backlight lens of the utility model；
Fig. 2 is the bottom surface structure figure of the TV backlight lens of the utility model；
Fig. 3 is the construction profile of the TV backlight lens of the utility model.
Description of symbols: 1, lenticular body；2, light-emitting surface；3, circular cavity；31, incidence surface；32, installing port；4, it overflows anti-
Penetrate face；5, vertical wall surface；6, concave structure；7, positioning column；8, arc convex；9, LED lamp bead；10, wiring board.
Specific embodiment
The utility model is further described and is illustrated with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1-3, a kind of TV backlight lens, including lenticular body 1, the upper surface of described lenticular body 1 are equipped with light-emitting surface 2,
The bottom surface of the lenticular body 1 is equipped with the circular cavity 3 that Open Side Down, and the arc-shaped face of 3 inner wall of circular cavity is as incidence surface
31, installing port 32 of the opening of the circular cavity 3 as LED lamp bead, the bottom surface of the lenticular body 1 is equipped with diffusing reflection face 4, institute
The edge for stating light-emitting surface 2 and bottom surface is connected by vertical wall surface 5.
The overall thickness of the lenticular body 1 is 5.18mm, and the height of the vertical wall surface 5 is 2.45mm.The size is according to reality
Border production obtains preferred values after being debugged, and so that light is irradiated uniform, no dark space, while generating without hot spot.
The centre of the arc surface that the light-emitting surface 2 is centrosymmetric, the arc surface is equipped with concave structure 6, concave structure 6
Depth be 0.45mm, the height of the circular cavity 3 is 3.7mm.It is refracted into the light being irradiated on concave structure 6 far
On face direction from LED light, make the divergence of beam projected, no hot spot occurs.
It further include being mounted on the LED lamp bead 9 of the opening of circular cavity 3, and the wiring board 10 being mounted below LED lamp bead 9.
Light is irradiated from the incidence surface of the circular cavity inner wall of arc and the refraction in diffusing reflection face, shines from light-emitting surface
It shoots out；Circular cavity makes light scatter, uniform illumination, and brightness is high, and no hot spot generates；Diffusing reflection face is anti-again by the light of refraction
It is mapped to light-emitting surface to shine out, improves brightness, reduce veiling glare and remaining light, light is soft to spend, thus the light for irradiating TV
Soft degree and the uniformity are higher, and visual effect is more preferable.
Embodiment 2
As shown in Figure 1-3, a kind of TV backlight lens, including lenticular body 1, the upper surface of described lenticular body 1 are equipped with light-emitting surface 2,
The bottom surface of the lenticular body 1 is equipped with the circular cavity 3 that Open Side Down, and the arc-shaped face of 3 inner wall of circular cavity is as incidence surface
31, installing port 32 of the opening of the circular cavity 3 as LED lamp bead, the bottom surface of the lenticular body 1 is equipped with diffusing reflection face 4, institute
The edge for stating light-emitting surface 2 and bottom surface is connected by vertical wall surface 5.
The overall thickness of the lenticular body 1 is 6mm, and the height of the vertical wall surface 5 is 2.5mm.The size is according to practical life
Production obtains preferred values after being debugged, and so that light is irradiated uniform, no dark space, while generating without hot spot.
The centre of the arc surface that the light-emitting surface 2 is centrosymmetric, the arc surface is equipped with concave structure 6, concave structure 6
Depth be 0.6mm, the height of the circular cavity 3 is 4mm.It is refracted into the light being irradiated on concave structure 6 separate
On the face direction of LED light, make the divergence of beam projected, brightness uniformity, no hot spot occurs, and light is soft.
The bottom surface of the lenticular body 1, which is located at around the circular cavity 3, is equipped with positioning column 7.
The quantity of the positioning column 7 is three, and the setting that is centrosymmetric.
Set on the vertical wall surface 5 there are three arc convex 8, three arc convex 8 respectively with three positioning
7 position of column is corresponding.It is located at the figure convex surface 8 on the line at 1 center of the positioning column 7 and lenticular body.Convenient for lenticular body
It is fixed and positioned.
It further include being mounted on the LED lamp bead 9 of the opening of circular cavity 3, and the wiring board 10 being mounted below LED lamp bead 9.
The present embodiment the utility model has the advantages that light from the incidence surface irradiation and diffusing reflection of the circular cavity inner wall of arc
The refraction in face irradiates to come from light-emitting surface；Circular cavity makes light scatter, uniform illumination, and brightness is high, and no hot spot generates；It is unrestrained anti-
It penetrates face the light of refraction is re-reflected into light-emitting surface and shine out, improve brightness, reduce veiling glare and remaining light, light is soft to spend,
To which the soft degree of the light for irradiating TV and the uniformity are higher, visual effect is more preferable.
The above is only the utility model preferred embodiment, is not made in any form to the utility model
Limitation, although the utility model is disclosed above in the preferred embodiment, is not intended to limit the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, makes when using the technology contents of the disclosure above
A little change or the equivalent embodiment for being modified to equivalent variations, but it is all without departing from the content of the technical scheme of the utility model, foundation
The utility model technology refers to any simple modification, equivalent change and modification to the above embodiments, belongs to practical
In the range of new technique scheme.
Claims (7)
1. a kind of TV backlight lens, including lenticular body, which is characterized in that the upper surface of described lenticular body is equipped with light-emitting surface, described
The bottom surface of mirror body is equipped with the circular cavity that Open Side Down, and the arc-shaped face of circular cavity inner wall is as incidence surface, the circle
Installing port of the opening as LED lamp bead of cavity, the bottom surface of the lenticular body equipped with diffusing reflection face, the light-emitting surface and bottom surface
Edge is connected by vertical wall surface.
2. a kind of TV backlight lens according to claim 1, which is characterized in that the overall thickness of the lenticular body is in 4 ~ 7mm
In range, the height of the vertical wall surface is within the scope of 2 ~ 3mm.
3. a kind of TV backlight lens according to claim 2, which is characterized in that the circular arc that the light-emitting surface is centrosymmetric
Face, the centre of the arc surface are equipped with concave structure, and the depth of the concave structure is 0.4 ~ 0.8mm, the circular cavity
Height is within the scope of 3 ~ 4mm.
4. a kind of TV backlight lens according to claim 1, which is characterized in that the bottom surface of the lenticular body is located at the circle
Positioning column is equipped with around shape cavity.
5. a kind of TV backlight lens according to claim 4, which is characterized in that the quantity of the positioning column is three, and
Be centrosymmetric setting.
6. a kind of TV backlight lens according to claim 5, which is characterized in that arc there are three being set on the vertical wall surface
Convex surface, three arc convex are corresponding with three positioning column positions respectively, and the arc convex is made to be located at the positioning
On column and the line at lenticular body center.
7. a kind of TV backlight lens according to claim 1-6, which is characterized in that further include being mounted on round sky
The LED lamp bead of chamber opening, and the wiring board being mounted below LED lamp bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449872.6U CN208832378U (en) | 2018-09-05 | 2018-09-05 | A kind of TV backlight lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449872.6U CN208832378U (en) | 2018-09-05 | 2018-09-05 | A kind of TV backlight lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208832378U true CN208832378U (en) | 2019-05-07 |
Family
ID=66312021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821449872.6U Expired - Fee Related CN208832378U (en) | 2018-09-05 | 2018-09-05 | A kind of TV backlight lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208832378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111897163A (en) * | 2020-08-20 | 2020-11-06 | 安徽芯瑞达科技股份有限公司 | Backlight module device for realizing ultra-low OD by matching LED with lens |
-
2018
- 2018-09-05 CN CN201821449872.6U patent/CN208832378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111897163A (en) * | 2020-08-20 | 2020-11-06 | 安徽芯瑞达科技股份有限公司 | Backlight module device for realizing ultra-low OD by matching LED with lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20190905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |