CN208351037U - Optical filter and lens assembly - Google Patents
Optical filter and lens assembly Download PDFInfo
- Publication number
- CN208351037U CN208351037U CN201820249364.7U CN201820249364U CN208351037U CN 208351037 U CN208351037 U CN 208351037U CN 201820249364 U CN201820249364 U CN 201820249364U CN 208351037 U CN208351037 U CN 208351037U
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- China
- Prior art keywords
- optical filter
- light
- lens assembly
- absorption layer
- eyeglass
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- 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.)
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- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model provides a kind of optical filter, the optical filter, including first surface, the second surface that is oppositely arranged with the first surface and the third surface for connecting the first surface Yu the second surface towards object side, the first surface includes the first light pass surface and around the first edge face of first light pass surface, light-absorption layer is provided on the first edge face, the light-absorption layer forms honeycomb by several pits.The optical filter can effectively weaken veiling glare, guarantee good image quality.The invention also discloses a kind of lens assemblies with the optical filter.
Description
[technical field]
The utility model relates to optical image technology field, particularly a kind of optical filter and lens assembly.
[background technique]
Optical lens assembly is widely used in consumer digital product, such as mobile phone, laptop, toy, industrial detection,
The fields such as automobile mounted camera and medical treatment.Development with imaging technique and the electronic product with camera function it is extensive
It uses, optical lens assembly is widely used in the every field of life.Optical lens assembly when in use, due to light reflection make
With, in imaging process, the light for being incident upon lens assembly from all angles is easy to form light disturbance in lens assembly, thus
It is easy to appear obvious veiling glare in real scene shooting picture, reduces image quality.
It include a piece of infrared fileter in optical lens assembly, which is used to filter out feux rouges invisible to the human eye, make
The imaging of optical lens assembly is close to seen in human eye.Light into optical filter enters in optical lens assembly after reflection
Portion will cause veiling glare.
[utility model content]
To solve the above-mentioned problems, the utility model provides a kind of optical filter and lens assembly, the optical filter include:
The second surface that is oppositely arranged towards the first surface of object side, with the first surface and it connect first table
The third surface in face and the second surface, the first surface include the first light pass surface and around the of first light pass surface
One edge surface, light-absorption layer is provided on the first edge face, and the light-absorption layer is in honeycomb.
As an improvement the light-absorption layer is formed by 3 D-printing.
The utility model also provides a kind of lens assembly, including with accommodating space lens barrel, to be contained in the receiving empty
Interior lens set, the lens assembly further include sensor, bracket and the above-mentioned technical side outside the accommodating space
Optical filter in case.
As an improvement the lens set along optical axis direction from object side to image side include the first eyeglass, the first anti-dazzling screen,
Second eyeglass, the second anti-dazzling screen, third eyeglass, barn door, third anti-dazzling screen, the 4th eyeglass, pressure ring.
The beneficial effects of the utility model are: the optical filter and lens assembly of the utility model, by the of optical filter
Light-absorption layer is set on one edge surface, be absorbed into the first edge face forms the veiling glare influenced to imaging effect, cuts significantly
Subtract the reflex of veiling glare in optical filter, effectively weakens interference of the veiling glare to lens assembly, effectively improve image quality.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the optical filter of the utility model embodiment；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the structural schematic diagram of the lens assembly of the utility model embodiment.
[specific embodiment]
The utility model is described in further detail below by specific embodiment combination Fig. 1, Fig. 2 and Fig. 3, so as to
The advantages of better understood when the embodiment of the utility model and its various aspects.Below in an example, following tool is provided
The purpose of body embodiment is easy for becoming apparent from present disclosure thorough explanation, rather than to the limit of the utility model
System.Wherein the words of the indicating positions such as upper and lower, left and right is only for shown structure in the accompanying drawings position.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of optical filter 10, which includes:
The second surface 12 that is oppositely arranged towards the first surface 11 of object side, with first surface 11 and it connect first surface
11 with the third surface 13 of second surface 12, first surface 11 include the first light pass surface 111 and around the of the first light pass surface 111
One edge surface 112 is provided with light-absorption layer 30 on first edge face 112, and light-absorption layer 30 forms honeycomb by several pits.
As shown in Figures 2 and 3, straight line with the arrow represents the incident direction of light.Enter first edge face 112 in light
On light-absorption layer 30 after, constantly reflected in the plane crater wall of light-absorption layer 30, consume energy.Therefore, in the present embodiment, exist
It is provided with light-absorption layer 30 on first edge face 112, can effectively cut down the light being incident on first edge face 112, it is therefore prevented that
Image quality is effectively promoted to effectively weaken the veiling glare phenomenon inside lens assembly in the further reflection of light.
In the utility model embodiment, light-absorption layer is formed by 3 D-printing.
The utility model embodiment also provides a kind of lens assembly 20, including with accommodating space lens barrel 26, be contained in
Lens set in accommodating space, lens assembly further include sensor 28, bracket 27 and the above-mentioned technology outside accommodating space
Optical filter 10 in scheme.Wherein, lens barrel 26, optical filter 10, bracket 27 and sensor 28 be successively in the utility model embodiment
Arrangement, in a particular application, sensor also can be set in the bottom in internal stent space.
As shown in figure 3, lens set includes first from object side to image side along 21 direction of optical axis in the utility model embodiment
Eyeglass 221, the first anti-dazzling screen 231, the second eyeglass 222, the second anti-dazzling screen 232, third eyeglass 223, barn door 24, third shading
Piece 233, the 4th eyeglass 224, pressure ring 25.
The number of the eyeglass of the lens set can be for 1,2 or multiple, carry out selection setting according to different demands,
It is not limited to as shown in Figure 34.
As shown in figure 3, lens set is folded between Jing Bi and pressure ring.Pressure ring can fasten the lens set inside lens assembly
And the component parts such as shading piece between lens set are folded in, firm effect is played to entire lens assembly internal structure.
As shown in figure 3, being provided with bracket below optical filter, optical filter can be supported.Second table of the bracket and optical filter
Face abuts.Sensor is set to internal stent or bracket lower part, which can be photosensitive sensor, for being incident on
Light thereon is incuded to be further processed.
Compared with prior art, the optical filter and lens assembly of the utility model, by the first edge face of optical filter
Upper setting light-absorption layer, be absorbed into the first edge face forms the veiling glare influenced to imaging effect, significantly reduction optical filter
The reflex of interior veiling glare effectively weakens interference of the veiling glare to lens assembly, effectively improves image quality.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (4)
1. a kind of optical filter, which is characterized in that the optical filter includes:
The second surface that is oppositely arranged towards the first surface of object side, with the first surface and connect the first surface with
The third surface of the second surface, the first surface include the first light pass surface and around the first side of first light pass surface
Edge face, light-absorption layer is provided on the first edge face, and the light-absorption layer is in honeycomb.
2. optical filter according to claim 1, which is characterized in that the light-absorption layer is formed by 3 D-printing.
3. a kind of lens assembly, including the lens barrel with accommodating space, the lens set that is contained in the accommodating space, feature
It is, the lens assembly further includes sensor outside the accommodating space, bracket and as claim 1 to 2 is any
Optical filter described in.
4. lens assembly according to claim 3, which is characterized in that the lens set is along optical axis direction from object side to image side
Including the first eyeglass, the first anti-dazzling screen, the second eyeglass, the second anti-dazzling screen, third eyeglass, barn door, third anti-dazzling screen, the 4th mirror
Piece, pressure ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249364.7U CN208351037U (en) | 2018-02-09 | 2018-02-09 | Optical filter and lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249364.7U CN208351037U (en) | 2018-02-09 | 2018-02-09 | Optical filter and lens assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208351037U true CN208351037U (en) | 2019-01-08 |
Family
ID=64873844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820249364.7U Active CN208351037U (en) | 2018-02-09 | 2018-02-09 | Optical filter and lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208351037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11924534B2 (en) | 2021-07-16 | 2024-03-05 | Largan Precision Co., Ltd. | Lens assembly, optical unit and electronic device |
-
2018
- 2018-02-09 CN CN201820249364.7U patent/CN208351037U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11924534B2 (en) | 2021-07-16 | 2024-03-05 | Largan Precision Co., Ltd. | Lens assembly, optical unit and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200506 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: Raytheon solutions Pte Ltd Address before: No. 8, 1st floor, Tongju Science and Technology Building, 10 65th Street, Hongmao Bridge, Singapore Patentee before: Raytheon Technology (Singapore) Co., Ltd |
|
| TR01 | Transfer of patent right |