CN108930956B - Flash lamp lens system - Google Patents
Flash lamp lens system Download PDFInfo
- Publication number
- CN108930956B CN108930956B CN201710385590.8A CN201710385590A CN108930956B CN 108930956 B CN108930956 B CN 108930956B CN 201710385590 A CN201710385590 A CN 201710385590A CN 108930956 B CN108930956 B CN 108930956B
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- cover plate
- transparent
- opaque
- Prior art date
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 43
- 239000012790 adhesive layer Substances 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 acryl Chemical group 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Stroboscope Apparatuses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a flash lamp lens system, which comprises a transparent back cover plate and a lens mechanism, wherein the lens mechanism is provided with a light emitting surface and a light entering surface, the transparent back cover plate is positioned on one side of the light emitting surface, the lens mechanism comprises a lens and an opaque part, the opaque part is arranged around the lens, an optical adhesive layer is arranged between the transparent back cover plate and the opaque part, the optical adhesive layer is arranged around the optical center of the lens mechanism, an air gap is formed between the optical adhesive layer, and a light source is arranged on one side of the light entering surface of the lens mechanism. According to the invention, the air gap is arranged in the optical center area of the lens, the air gap can increase the refraction times of light in the transmission process, so that formed light beams are concentrated in the optical center area, meanwhile, the opaque parts around the lens can effectively prevent light rays from exiting to the periphery of the lens and then entering the transparent rear cover plate, and the probability of light rays exiting to the periphery is reduced, so that the transverse transmission of light in the transparent rear cover plate is reduced, and the light loss is reduced.
Description
Technical Field
The invention relates to the field of lenses, and particularly discloses a flash lamp lens system.
Background
The shell of the mobile phone is used for protecting and collecting internal parts, along with the progress of society, the living standard of people is continuously improved, the requirements of people on mobile terminals such as the mobile phone are correspondingly improved, and in order to meet the aesthetic requirements of people, the rear shell of the mobile phone is designed to be a transparent cover plate and is mainly made of transparent materials such as glass.
In order to further improve the aesthetic degree of mobile terminals such as mobile phones, the transparent rear cover is not provided with holes for flash lamps of the mobile phones, but the flash lamps are directly fixed on the transparent rear cover by transparent adhesive tapes, as shown in fig. 1, when the flash lamps work, part of light rays can be coupled into the transparent rear cover, so that unnecessary light loss is caused, and part of light rays can even enter a photographic lens to influence photographic effects.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a flash lens system with an opaque portion around the lens, which can effectively reduce the lateral conduction of light in the transparent rear cover and improve the light utilization.
In order to solve the problems in the prior art, the invention discloses a flash lamp lens system, which comprises a transparent back cover plate and a lens mechanism, wherein the lens mechanism is provided with a light emitting surface and a light entering surface, the transparent back cover plate is positioned on one side of the light emitting surface, the lens mechanism comprises a lens and an opaque part, the opaque part is arranged on the periphery of the lens, an optical adhesive layer is arranged between the transparent back cover plate and the opaque part, the optical adhesive layer is arranged on the periphery of the optical center of the lens mechanism, an air gap is formed in the middle of the optical adhesive layer, and one side of the light entering surface of the lens mechanism is provided with a light source.
Further, the transparent back cover plate is transparent glass or transparent acrylic.
Further, the lens is a fresnel lens.
Further, the lens and the opaque portion are formed by two-shot molding.
Further, the lens is circular, and the opaque part is circular.
Further, the opaque portion is an opaque resin.
Further, the optical cement layer may be an opaque optical cement or a transparent optical cement.
Further, the optical adhesive layer is in a circular ring shape.
Further, the air gap is circular.
Further, the lens mechanism and the light source are arranged coaxially.
Light emitted by the light source enters the lens from the light inlet surface, exits from the light outlet surface and enters the air gap, most of light can enter the transparent back cover plate along the area of the optical center through multiple refraction adjustment, and the opaque part can effectively block the light to exit to the periphery of the lens and enter the transparent back cover plate, so that the light is further concentrated to the area of the optical center.
The beneficial effects of the invention are as follows: the invention discloses a flash lamp lens, wherein an air gap is arranged in an optical center area of the lens, the air gap can increase the refraction times of light in the process of transmission, so that light rays are effectively concentrated, formed light beams are concentrated in the optical center area, meanwhile, opaque parts around the lens can effectively block the light rays to exit around the lens and enter a transparent back cover plate, the probability of light rays to exit around is reduced, and therefore the transverse conduction of the light rays in the transparent back cover plate is reduced, the light loss is reduced, and the whole lens system can obviously improve the light utilization rate.
Drawings
Fig. 1 is a schematic view of the optical path of a prior art flash lens system when in operation.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic bottom view of the present invention.
Fig. 4 is a schematic view of the optical path of the present invention in operation.
The reference numerals are: the rear cover plate 10, the lens mechanism 20, the light-emitting surface 201, the light-entering surface 202, the lens 21, the opaque part 22, the optical adhesive layer 23, the air gap 24 and the light source 30.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Reference is made to fig. 1 to 4.
In a first embodiment of the present invention, a flash lens system is provided, which includes a transparent back cover plate 10 and a lens mechanism 20, the lens mechanism 20 is provided with a light exit surface 201 and a light entrance surface 202, the transparent back cover plate 10 is located at one side of the light exit surface 201, the lens mechanism 20 includes a lens 21 and an opaque portion 22, the opaque portion 22 is disposed around the lens 21, an optical adhesive layer 23 is disposed between the transparent back cover plate 10 and the opaque portion 22, the optical adhesive layer 23 is composed of transparent optical adhesive, the optical adhesive layer 23 is disposed around an optical center of the lens mechanism 20, an air gap 24 is formed between the optical adhesive layer 23, and a light source 30 is disposed at one side of the light entrance surface 202 of the lens mechanism 20.
The light emitted by the light source 30 enters the lens 21 from the light incident surface 202, exits from the light emergent surface 201 and enters the air gap 24, most of the light can enter the transparent back cover plate 10 along the optical center region through multiple refraction adjustment, and the opaque part 22 can effectively prevent the light from exiting to the periphery of the lens 21 and then entering the transparent back cover plate 10, so that the light is further concentrated to the optical center region, and the transverse conduction of the light in the transparent back cover plate 10 is reduced.
As shown in fig. 4, in the present invention, an air gap 24 is disposed in the optical center area of the lens 21, where the air gap 24 can increase the refraction times of light in the propagation process, so as to effectively concentrate light, and make the formed light beam concentrate in the optical center area, and at the same time, the opaque portion 22 around the lens 21 can effectively block light from exiting to the periphery of the lens 21 and then entering the transparent back cover plate 10, so as to reduce the probability of light exiting to the periphery, thereby reducing the lateral conduction of light in the transparent back cover plate 10, reducing the light loss, and the entire lens system can significantly improve the light utilization rate.
In the second embodiment, the structure and principle are the same as those of the first embodiment except for the optical adhesive layer 23, and the description thereof will be omitted. The optical adhesive layer 23 is formed by opaque optical adhesive, and can further block light from entering the transparent back cover plate 10 along the periphery of the air gap 22, and the probability of light emitting along the periphery can be obviously reduced by matching with the opaque part 22.
Based on the first or second embodiment, the transparent back cover 10 is transparent glass or transparent acryl.
To further reduce the overall flash lens system volume, lens 21 is a fresnel lens based on either embodiment one or embodiment two.
Based on the first or second embodiment, the lens 21 and the opaque portion 22 are formed by two-shot molding such that the opaque portion 22 is disposed around the periphery of the lens 21.
Based on the first or second embodiment, the lens 21 is circular, the opaque portion 22 is circular, the optical adhesive layer 23 is circular, and the air gap 24 is circular, which meets the aesthetic standard of people.
Based on the first embodiment or the second embodiment, the opaque portion 22 is an opaque resin.
Based on the first embodiment or the second embodiment, the lens mechanism 20 and the light source 30 are disposed coaxially, so as to further improve the light utilization rate.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The flash lamp lens system is characterized by comprising a transparent rear cover plate (10) and a lens mechanism (20), wherein the lens mechanism (20) is provided with a light emitting surface (201) and a light entering surface (202), the transparent rear cover plate (10) is positioned on one side of the light emitting surface (201), the lens mechanism (20) comprises a lens (21) and an opaque part (22), the opaque part (22) is arranged on the periphery of the lens (21), an optical adhesive layer (23) is arranged between the transparent rear cover plate (10) and the opaque part (22), the optical adhesive layer (23) is arranged on the periphery of the optical center of the lens mechanism (20), an air gap (24) is formed in the middle of the optical adhesive layer (23), and a light source (30) is arranged on one side of the light entering surface (202) of the lens mechanism (20); the transparent rear cover plate (10) is made of transparent glass or transparent acrylic; the lens (21) is a Fresnel lens.
2. A flash lens system according to claim 1, wherein the lens (21) and the opaque portion (22) are formed by bi-colour moulding.
3. A flash lens system according to claim 1, wherein the lens (21) is circular and the opaque portion (22) is annular.
4. A flash lens system according to claim 1, wherein the opaque portion (22) is an opaque resin.
5. A flash lens system according to claim 1, characterized in that the optical glue layer (23) may be an opaque optical glue or a transparent optical glue.
6. A flash lens system according to claim 1, characterized in that the optical glue layer (23) is ring-shaped.
7. A flash lens system according to claim 6, wherein the air gap (24) is circular.
8. A flashlight lens system as claimed in claim 1, wherein said lens means (20) is arranged coaxially with said light source (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385590.8A CN108930956B (en) | 2017-05-26 | 2017-05-26 | Flash lamp lens system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385590.8A CN108930956B (en) | 2017-05-26 | 2017-05-26 | Flash lamp lens system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108930956A CN108930956A (en) | 2018-12-04 |
| CN108930956B true CN108930956B (en) | 2024-02-06 |
Family
ID=64450478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710385590.8A Active CN108930956B (en) | 2017-05-26 | 2017-05-26 | Flash lamp lens system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108930956B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290195B (en) * | 2020-01-22 | 2021-05-07 | 东莞市嘉誉光学技术有限公司 | Double-color temperature flash lamp lens system with light distribution alignment function |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005043688A (en) * | 2003-07-23 | 2005-02-17 | Matsushita Electric Ind Co Ltd | Variable strobe device |
| CN102998875A (en) * | 2012-12-28 | 2013-03-27 | 广东欧珀移动通信有限公司 | Flash lamp lens structure and shooting device with same |
| JP2013101299A (en) * | 2011-10-11 | 2013-05-23 | Konica Minolta Advanced Layers Inc | Flash module for camera, and method of manufacturing the same |
| CN203275853U (en) * | 2013-04-15 | 2013-11-06 | 深圳富泰宏精密工业有限公司 | Electronic device |
| CN204678257U (en) * | 2015-06-01 | 2015-09-30 | 东莞市钜欣电子有限公司 | The flashlight lens producing light leak can be avoided |
| CN205137343U (en) * | 2015-10-30 | 2016-04-06 | 东莞酷派软件技术有限公司 | Flash light lens, flash of light lamp module piece and equipment of shooing |
| CN106019771A (en) * | 2016-08-03 | 2016-10-12 | 广东欧珀移动通信有限公司 | Flash lens assembly and mobile terminal |
| CN205809508U (en) * | 2016-06-25 | 2016-12-14 | 维沃移动通信有限公司 | A kind of flash lamp component and a kind of electronic equipment |
| CN206018497U (en) * | 2016-08-17 | 2017-03-15 | 广东谷麦光电科技股份有限公司 | An integrated flashlight module |
| CN206861458U (en) * | 2017-05-26 | 2018-01-09 | 广东烨嘉光电科技股份有限公司 | A kind of novel flash lamp lens combination |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9575392B2 (en) * | 2013-02-06 | 2017-02-21 | Apple Inc. | Electronic device with camera flash structures |
-
2017
- 2017-05-26 CN CN201710385590.8A patent/CN108930956B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005043688A (en) * | 2003-07-23 | 2005-02-17 | Matsushita Electric Ind Co Ltd | Variable strobe device |
| JP2013101299A (en) * | 2011-10-11 | 2013-05-23 | Konica Minolta Advanced Layers Inc | Flash module for camera, and method of manufacturing the same |
| CN102998875A (en) * | 2012-12-28 | 2013-03-27 | 广东欧珀移动通信有限公司 | Flash lamp lens structure and shooting device with same |
| CN203275853U (en) * | 2013-04-15 | 2013-11-06 | 深圳富泰宏精密工业有限公司 | Electronic device |
| CN204678257U (en) * | 2015-06-01 | 2015-09-30 | 东莞市钜欣电子有限公司 | The flashlight lens producing light leak can be avoided |
| CN205137343U (en) * | 2015-10-30 | 2016-04-06 | 东莞酷派软件技术有限公司 | Flash light lens, flash of light lamp module piece and equipment of shooing |
| CN205809508U (en) * | 2016-06-25 | 2016-12-14 | 维沃移动通信有限公司 | A kind of flash lamp component and a kind of electronic equipment |
| CN106019771A (en) * | 2016-08-03 | 2016-10-12 | 广东欧珀移动通信有限公司 | Flash lens assembly and mobile terminal |
| CN206018497U (en) * | 2016-08-17 | 2017-03-15 | 广东谷麦光电科技股份有限公司 | An integrated flashlight module |
| CN206861458U (en) * | 2017-05-26 | 2018-01-09 | 广东烨嘉光电科技股份有限公司 | A kind of novel flash lamp lens combination |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108930956A (en) | 2018-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9169992B2 (en) | Lens and light source module incorporating the same | |
| CN103867969B (en) | Monitoring arrangement | |
| TWI582344B (en) | Lens and light source device incorporating the same | |
| CN112612075B (en) | A light-guiding structure with multiple reflective surfaces and an ultra-macro imaging module including the same | |
| CN206018497U (en) | An integrated flashlight module | |
| CN108930956B (en) | Flash lamp lens system | |
| CN104296066A (en) | Lens and its light source module | |
| TW201506456A (en) | Lens group and light source device using the same | |
| CN108930957B (en) | Flash lamp lens system for transparent cover plate | |
| KR20150137959A (en) | Secondary optical element and light source module | |
| CN204358631U (en) | A kind of LED lens arrangement | |
| CN113932163A (en) | Light guide components and lamps | |
| CN206861459U (en) | A kind of flashlight lens system for transparent cover plate | |
| CN104421833A (en) | Lens and light source module using the lens | |
| CN104235758B (en) | Lens, the light-guiding shade with the lens and the lighting device using the lens | |
| US20200332979A1 (en) | Lamp, light emitting module, and combined lens thereof | |
| CN204884156U (en) | Infrared remote control lens and mobile terminal | |
| CN112240534A (en) | Combined thick-wall part optical system with bright-inclined light-emitting surface and without patterns | |
| TW201504679A (en) | Lens module and light source module with the lens module | |
| CN104676357B (en) | Light-emitting device and backlight module | |
| CN207833052U (en) | Anti-glare light guide plate and side-lit panel light | |
| CN216591113U (en) | Light guide element and lamp | |
| CN206861458U (en) | A kind of novel flash lamp lens combination | |
| CN210720790U (en) | Lens and light-emitting component with same | |
| CN204678256U (en) | lens structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |