CN204044472U - A kind of mobile terminal camera infrared filtering device - Google Patents
A kind of mobile terminal camera infrared filtering device Download PDFInfo
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- CN204044472U CN204044472U CN201420558866.XU CN201420558866U CN204044472U CN 204044472 U CN204044472 U CN 204044472U CN 201420558866 U CN201420558866 U CN 201420558866U CN 204044472 U CN204044472 U CN 204044472U
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- glass cover
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- infrared
- mobile terminal
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Abstract
The utility model discloses a kind of mobile terminal camera infrared filtering device, comprise glass cover, lens group and sensitive chip successively, described glass cover is evenly coated with one deck IR film near the side of lens group, and the opposite side of described glass cover is evenly coated with one deck AR film.Evenly be coated with one deck pigmented film between described glass cover and IR film, the outside surface of described AR film is evenly coated with layer protecting film.Described diaphragm is AF film.Compared with prior art; traditional infrared optical filter is separated by the utility model from camera module; to mainly utilize the AR film eliminated the pigmented film of ruddiness, the IR film of IR-cut and increase transmitance to be plated on the original glass cover of camera simultaneously; simultaneously in order to protect AR film not come off by friction; increase one deck AF diaphragm again; thus play the effect of alternative infrared fileter; both glare problem was solved; in turn save cost; and the collocation of IR and AR two parts realizes effective filtering infrared light, the effect obtained.
Description
Technical field
The utility model relates to infrared filtering technology, particularly relates to a kind of mobile terminal camera infrared filtering device.
Background technology
At present, the mobile terminal that market is sold, a slice infrared fileter (IR-filter) or smalt optical filter all can be had in such as, camera on mobile phone, being used for filtering people can not see but the appreciable spectrum of sensitive chip is the ruddiness of more than 700nm, makes after camera imaging close to human eye finding.General camera intermediate infrared filter has several shortcoming, first positional distance sensitive chip is near, having incident ray reflexes on infrared fileter from sensitive chip, sensitive chip is reflected back again from infrared fileter, cause veiling glare, it two is that the use of infrared fileter or smalt adds cost.
As shown in Figure 1, for prior art mobile terminal is used for the ultrared filtering apparatus of filtering, glass cover 1, lens group 2, infrared fileter (or sapphire/smalt) 4 and sensitive chip 3 is comprised successively.Infrared fileter (or sapphire/smalt) 4 arranges IR film near lens group 2 side and is used for reflective infrared light, play barrier effect; Infrared fileter (or sapphire/smalt) 4 is arranged AR film to be used for improving light penetration near sensitive chip 3 side, play anti-reflection effect.But when having incident ray to enter in this camera, IR film is used for reflective infrared light, AR film is used for improving light penetration, severally to determine when filtering apparatus of the prior art still exists, infrared fileter (or sapphire/smalt) 4 positional distance sensitive chip 3 is near, has incident ray and reflexes on infrared fileter (or sapphire/smalt) 4 from sensitive chip 3, then be reflected back sensitive chip 3 from infrared fileter (or sapphire/smalt) 4, cause veiling glare, affect shooting effect.Namely when light comes the IR film of infrared fileter (or sapphire/smalt) 4 through lens group 2, Infrared stopped away, remaining luminous ray continues across infrared fileter (or sapphire/smalt) 4 and AR film arrives on sensitive chip pixel (pixel).At this moment light from the reflection of the lenticule mircolens pixel but also can come not only, go back to AR film, light drives in optical filter by AR as far as possible, when these light that turn back arrive again IR film, its light that will turn back reflects back on sensor again, forms dazzle ghost (flare).Further, in order to reach good filter effect, the infrared fileter (or sapphire/smalt) 4 of increase adds production and use cost.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of mobile terminal camera infrared filtering device, effectively can eliminate the veiling glare problem of camera imaging, promotes image effect, reduces cost.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of mobile terminal camera infrared filtering device, comprise glass cover, lens group and sensitive chip successively, described glass cover is evenly coated with (the abbreviation of English Infrared-Reflection of one deck IR film near the side of lens group, Chinese is infrared cut coating), the opposite side of described glass cover is evenly coated with one deck AR film (abbreviation of English Anti-Reflection, Chinese is high transmission rate antireflection film).
Preferably, one deck pigmented film is evenly coated with between described glass cover and IR film.
Preferably, the outside surface of described AR film is evenly coated with layer protecting film.
Preferably, described diaphragm is AF film (abbreviation of English Anti-FingerPrint, Chinese is high anti-fingerprint film thoroughly).
Compared with prior art, the beneficial effects of the utility model are: separated from camera module by traditional infrared optical filter (or smalt), to mainly utilize the pigmented film eliminating ruddiness simultaneously, the IR film of IR-cut and the AR film of increase transmitance are plated on the original glass cover of camera, simultaneously in order to protect AR film not come off by friction, increase one deck AF diaphragm again, thus play the effect of alternative infrared fileter (or smalt), both glare problem was solved, in turn save cost, and the collocation of IR and AR two parts realizes effective filtering infrared light, the effect obtained.
accompanying drawing explanation
fig. 1 is the apparatus structure schematic diagram of prior art;
Fig. 2 is apparatus structure schematic diagram of the present utility model;
In accompanying drawing: 1, glass cover; 11, AF film; 12, AR; 13, membranochromic pigments film; 14, IR film; 2, lens group; 3, sensitive chip.
Embodiment
Be described in detail, to be interpretated more in-depth technical characteristic of the present utility model and advantage with reference to accompanying drawing below in conjunction with embodiment.
As shown in Figure 2, a kind of mobile terminal camera infrared filtering device, comprises glass cover 1, lens group 2 and sensitive chip 3 to apparatus structure schematic diagram of the present utility model successively.As shown in FIG., this camera infrared filtering device rises from mobile terminal (such as, mobile phone) outside and sets gradually glass cover 1, lens group 2 and sensitive chip 3, arranges certain spacing, to reach filter effect of photographing preferably between all parts.As preferred embodiment of the present utility model, glass cover 1 described in the utility model is evenly coated with one deck IR film 14, IR film and is used for reflective infrared light near the side of lens group 2, plays barrier effect; The opposite side of described glass cover 1 is evenly coated with one deck AR film 12, AR film and is used for improving light penetration, plays anti-reflection effect.
In addition, better eliminating ruddiness effect, between described glass cover 1 and IR film 14, being evenly coated with one deck pigmented film 13 to reach, this pigmented film is mainly used in eliminating ruddiness.
In mobile terminal (such as mobile phone) use procedure; because often in use touch camera; and AR film 12 is because outside glass cover 1; touch so for a long time or repeatedly; easy damage; just need at its outer application layer protecting film, as shown in Figure 2, be evenly coated with layer protecting film 11 at the outside surface of described AR film 12.Especially, diaphragm 11 described in the utility model is AF film.
In the utility model, principle of work is as follows: as shown in Figure 2, and glass cover 1 comprises AF film 11, AR film 12, glass cover 1, pigmented film 13, IR film 14 successively from mobile phone outside surface to inside surface.In prior art, the material of glass cover 1 is generally simple glass, unlike smalt, itself have the function of absorptive red light, so plate one deck pigment in its surface, forms pigmented film 12, just can play the effect of absorptive red light; And then plate IR film 14 and AR film 12 two kinds of plated films, the filtration result the same with infrared fileter (or smalt) can be played, thus can be substituted them.IR film 14 part is used for filtering infrared light, because it is outside camera module, first reflex is outside in cam lens group 2, sensitive chip 3 below can not be entered into, even if second has light reflection on sensitive chip 3, the reflective distance comparing the inner infrared fileter (or smalt) of conventional lenses from the distance of glass cover 1 reflection is much bigger, and energy is also just much smaller, also would not form dazzle.AR film 12 part is used for strengthening ght transmission, makes picture brighter.In addition because glass cover 1 is exposed on phone housing, user directly can touch and obtain, and plates one deck AF film 14 anti-fingerprint film more under such circumstances simultaneously, can effectively prevent AR film 12 from being rubbed off after Long-Time Service.
Carry out clear, complete description by the technical scheme in above embodiment to the utility model, obviously described embodiment is the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Claims (4)
1. a mobile terminal camera infrared filtering device, comprise glass cover (1), lens group (2) and sensitive chip (3) successively, it is characterized in that: described glass cover (1) is evenly coated with one deck IR film (14) near the side of lens group (2), and the opposite side of described glass cover (1) is evenly coated with one deck AR film (12).
2. mobile terminal camera infrared filtering device according to claim 1, is characterized in that: be evenly coated with one deck pigmented film (13) between described glass cover (1) and IR film (14).
3. mobile terminal camera infrared filtering device according to claim 1, is characterized in that: the outside surface of described AR film (12) is evenly coated with layer protecting film (11).
4. mobile terminal camera infrared filtering device according to claim 3, is characterized in that: described diaphragm (11) is AF film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420558866.XU CN204044472U (en) | 2014-09-26 | 2014-09-26 | A kind of mobile terminal camera infrared filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420558866.XU CN204044472U (en) | 2014-09-26 | 2014-09-26 | A kind of mobile terminal camera infrared filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044472U true CN204044472U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420558866.XU Expired - Fee Related CN204044472U (en) | 2014-09-26 | 2014-09-26 | A kind of mobile terminal camera infrared filtering device |
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| CN (1) | CN204044472U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303169A (en) * | 2015-05-28 | 2017-01-04 | 宁波舜宇光电信息有限公司 | Ultra-thin photographic head module and manufacture method thereof |
| CN107071253A (en) * | 2017-05-27 | 2017-08-18 | 深圳奥比中光科技有限公司 | The light-field camera of compact conformation |
| CN113589617A (en) * | 2021-06-30 | 2021-11-02 | 上海摩勤智能技术有限公司 | Filter glass cover plate and camera unit comprising same |
-
2014
- 2014-09-26 CN CN201420558866.XU patent/CN204044472U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303169A (en) * | 2015-05-28 | 2017-01-04 | 宁波舜宇光电信息有限公司 | Ultra-thin photographic head module and manufacture method thereof |
| CN106303169B (en) * | 2015-05-28 | 2021-08-10 | 宁波舜宇光电信息有限公司 | Ultrathin camera module and manufacturing method thereof |
| CN107071253A (en) * | 2017-05-27 | 2017-08-18 | 深圳奥比中光科技有限公司 | The light-field camera of compact conformation |
| CN113589617A (en) * | 2021-06-30 | 2021-11-02 | 上海摩勤智能技术有限公司 | Filter glass cover plate and camera unit comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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| 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: 20141224 |