CN207262344U - A kind of liquid crystal display refraction LED lens - Google Patents
A kind of liquid crystal display refraction LED lens Download PDFInfo
- Publication number
- CN207262344U CN207262344U CN201720570973.8U CN201720570973U CN207262344U CN 207262344 U CN207262344 U CN 207262344U CN 201720570973 U CN201720570973 U CN 201720570973U CN 207262344 U CN207262344 U CN 207262344U
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- China
- Prior art keywords
- curved surface
- arc
- light extraction
- liquid crystal
- crystal display
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Abstract
A kind of liquid crystal display refraction LED lens, including lens body, the lens body bottom surface is equipped with incident chamber, lens body has light extraction side and light extraction top surface, light extraction side is plane of refraction, light extraction top surface includes upper arc-shaped curved surface, inclination is faced directly and arc lower curved surface, inclination is faced upper end directly and is connected with upper arc-shaped curved surface, lower end is connected with arc lower curved surface, upper arc-shaped curved surface and arc lower curved surface is plane of refraction, inclination is faced directly as fully reflecting surface, arc lower curved surface is located at the lower section of upper arc-shaped curved surface, tilt and face middle part by lens body directly towards light emission side towards outer incline, angle region between light extraction side and the bottom surface of lens body is equipped with total reflection arcwall face, the total reflection arcwall face is equipped with some back taper reflection cavities.The utility model light more dissipates, and improves the uniformity of light path.
Description
Technical field
It the utility model is related to a kind of liquid crystal display refraction LED lens.
Background technology
Liquid crystal display, or LCD (Liquid Crystal Display), are the display device of planar ultra-thin.Rely on
The advantages that small, quality is small, Low emissivity, liquid crystal display gradually instead of the traditional monitor using cathode-ray tube,
As the Display Types of mainstream.
Liquid crystal display element is passive light-emitting component, and display screen does not shine in itself, so liquid crystal display is generally by carrying on the back
Optical module and liquid crystal display panel are composed, and backlight module provides light source for liquid crystal display panel, display is showed liquid
Image on LCD panel.Straight-down negative and side-light type can be divided into according to light source position backlight module.Side light type back light module
It is that will give out light diode crystal particle configuration in the side of panel of LCD.Direct type backlight module is directly by light emitting diode
Crystal grain is equably configured at the rear of liquid crystal display panel as light source.Nowadays, the producer is directed to developing lighter, smaller
Liquid crystal display.Therefore, how to maintain to reduce LED quantity on the premise of brightness, the uniformity as the big problem in design.
The content of the invention
The technical problem to be solved by the present invention is to provide a kind of liquid crystal display refraction LED lens, light is more
Uniformly.
In order to solve the above-mentioned technical problem, the utility model takes following technical scheme：
A kind of liquid crystal display refraction LED lens, including lens body, the lens body bottom surface are equipped with incident chamber,
Lens body has light extraction side and light extraction top surface, and light extraction side is plane of refraction, and light extraction top surface includes upper arc-shaped curved surface, tilts directly
Face and arc lower curved surface, inclination face directly upper end be connected with upper arc-shaped curved surface, lower end and arc lower curved surface connect, upper arc-shaped curved surface with
Arc lower curved surface is plane of refraction, and inclination is faced directly is located at the lower section of upper arc-shaped curved surface for fully reflecting surface, arc lower curved surface, and inclination is faced directly
By the middle part of lens body towards light emission side towards outer incline, the angle region between light extraction side and the bottom surface of lens body is set
There is total reflection arcwall face, which is equipped with some back taper reflection cavities.
The width of the arc lower curved surface is less than the width of upper arc-shaped curved surface.
The light extraction side is equipped with inner sunken face, which is connected by connecting curved surface with upper arc-shaped curved surface.
The connection curved surface is plane of refraction.
There is horizontal filtering section between the inner sunken face and light extraction side.
The upper end of the inner sunken face is located at the top of arc lower curved surface, and the lower end of inner sunken face is located at incident top of chamber
Lower section.
The upper arc-shaped curved surface raises up, and arc lower curved surface is to lower recess.
The utility model realizes the beam projecting of more perspective by three sections of light-emitting surface, improve light diverging face and
The uniformity.
Brief description of the drawings
Attached drawing 1 is the utility model section structure diagram；
Attached drawing 2 is the utility model light path effect diagram.
Embodiment
For that can further appreciate that the feature of the utility model, technological means and the specific purposes reached, function, below
The utility model is described in further detail with embodiment with reference to attached drawing.
As shown in Figure 1, the utility model discloses a kind of liquid crystal display refraction LED lens, including lens body
1,1 bottom surface of lens body is equipped with incident chamber 3, and lens body 1 has light extraction side 2 and light extraction top surface, and light extraction side is folding
Face is penetrated, light extraction top surface includes upper arc-shaped curved surface 61, tilts and face 62 and arc lower curved surface 63 directly, and 62 upper ends and upper arc are faced in inclination directly
Curved surface 61 connects, lower end and arc lower curved surface 63 connect, and upper arc-shaped curved surface 61 and arc lower curved surface 63 are plane of refraction, and inclination is faced directly
62 be fully reflecting surface, and arc lower curved surface is located at the lower section of upper arc-shaped curved surface, tilts and faces middle part by lens body directly towards light extraction
Side is outward-dipping, and the angle region between light extraction side and the bottom surface of lens body is equipped with total reflection arcwall face 4, the total reflection
Arcwall face 4 is equipped with some back taper reflection cavities 5.Upper arc-shaped curved surface 61 raise up to be formed arc filtering, arc lower curved surface to
Lower recess forms arc-shaped transition, both curvature is different, so as to fulfill different refractions.
The width of the arc lower curved surface 63 is less than the width of upper arc-shaped curved surface 61.
The light extraction side is equipped with inner sunken face 22, which is connected by connecting curved surface 7 with upper arc-shaped curved surface 61
Connect.Connection curved surface is plane of refraction.So that light extraction side is also classified into two sections, one section is to face directly, and one section is curved surface.
There is horizontal filtering section between the inner sunken face and light extraction side.
The upper end of the inner sunken face is located at the top of arc lower curved surface, and the lower end of inner sunken face is located at incident top of chamber
Lower section.
In the utility model, as shown in Figure 2, light is injected from incident chamber, then into lens body, part
Generation refraction is projected upwards after light is mapped to arc lower curved surface, and inclination can be also mapped to directly by being mapped to a part of light of arc lower curved surface
On face, face directly as fully reflecting surface, can be reflected, the light of reflection directs out injection due to tilting.Some light from
Incident chamber is mapped to arc-shaped curved surface after projecting, and is outwards projected after the refraction of upper arc-shaped curved surface.Some light is then directly mapped to light extraction
Outwards projected after reflecting side.
It should be noted that these are only the preferred embodiment of the utility model, it is new to be not limited to this practicality
Type, although the utility model is described in detail with reference to embodiment, for those skilled in the art, it is still
It can modify to the technical solution described in previous embodiment, or equivalent substitution is carried out to which part technical characteristic,
But where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on, should be included in
Within the scope of protection of the utility model.
Claims (7)
1. a kind of liquid crystal display refraction LED lens, including lens body, it is characterised in that the lens body bottom surface is set
There is incident chamber, lens body has light extraction side and light extraction top surface, and light extraction side is plane of refraction, and it is bent that light extraction top surface includes upper arc
Face, inclination face directly with arc lower curved surface, inclination face directly upper end be connected with upper arc-shaped curved surface, lower end and arc lower curved surface connect, on
Arc-shaped curved surface and arc lower curved surface are plane of refraction, and inclination is faced directly to be located under upper arc-shaped curved surface for fully reflecting surface, arc lower curved surface
Side, tilts and faces middle part by lens body directly towards light emission side towards outer incline, between light extraction side and the bottom surface of lens body
Angle region be equipped with total reflection arcwall face, which is equipped with some back taper reflection cavities.
2. liquid crystal display according to claim 1 refraction LED lens, it is characterised in that the arc lower curved surface
Width is less than the width of upper arc-shaped curved surface.
3. liquid crystal display according to claim 2 refraction LED lens, it is characterised in that the light extraction side is equipped with
Inner sunken face, the inner sunken face are connected by connecting curved surface with upper arc-shaped curved surface.
4. liquid crystal display according to claim 3 refraction LED lens, it is characterised in that the connection curved surface is folding
Penetrate face.
5. liquid crystal display according to claim 4 refraction LED lens, it is characterised in that the inner sunken face is with going out
There is horizontal filtering section between light side.
6. liquid crystal display according to claim 5 refraction LED lens, it is characterised in that the inner sunken face it is upper
Positioned at the top of arc lower curved surface, the lower end of inner sunken face is located at the lower section of incident top of chamber at end.
7. liquid crystal display according to claim 6 refraction LED lens, it is characterised in that the upper arc-shaped curved surface to
Upper protrusion, arc lower curved surface is to lower recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570973.8U CN207262344U (en) | 2017-05-22 | 2017-05-22 | A kind of liquid crystal display refraction LED lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570973.8U CN207262344U (en) | 2017-05-22 | 2017-05-22 | A kind of liquid crystal display refraction LED lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207262344U true CN207262344U (en) | 2018-04-20 |
Family
ID=61915056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720570973.8U Expired - Fee Related CN207262344U (en) | 2017-05-22 | 2017-05-22 | A kind of liquid crystal display refraction LED lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207262344U (en) |
-
2017
- 2017-05-22 CN CN201720570973.8U patent/CN207262344U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20190522 |