CN104349023A - Camera device and flash module thereof - Google Patents
Camera device and flash module thereof Download PDFInfo
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- CN104349023A CN104349023A CN201310344545.XA CN201310344545A CN104349023A CN 104349023 A CN104349023 A CN 104349023A CN 201310344545 A CN201310344545 A CN 201310344545A CN 104349023 A CN104349023 A CN 104349023A
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- lens
- circuit board
- shaded frame
- camera head
- exiting surface
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- 230000003287 optical effect Effects 0.000 claims abstract description 31
- 239000012943 hotmelt Substances 0.000 claims description 5
- 238000010295 mobile communication Methods 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
A camera device and a flash module thereof are provided. The flash module comprises a circuit board electrically connected with the camera module, a flash unit arranged on the circuit board and an optical unit. The optical unit comprises a lens and a shading frame formed on the lens. The lens is provided with a light incident surface, a light emitting surface and a ring side surface, wherein the light incident surface and the light emitting surface are respectively positioned at two opposite ends of the lens, and the ring side surface is connected with the light incident surface and the light emitting surface. The light shielding frame is jointed to the side surface of the ring without a gap, and the light incident surface is positioned in the space surrounded by the light shielding frame. The light shielding frame is arranged on the circuit board, the light incident surface and the flash unit face each other, the flash unit is contained in a space surrounded by the light incident surface, the light shielding frame and the circuit board, and the light emergent surface is exposed outside the light shielding frame. Therefore, the camera device capable of effectively reducing light leakage of the flash module is provided.
Description
Technical field
The present invention relates to a kind of camera head, and particularly relate to a kind of camera head and the flash module thereof that effectively can reduce light leakage phenomena.
Background technology
Commonly use camera head and include a photographing module and a flash module, above-mentioned flash module can provide light to use for photographing module when rather dark.But the lens periphery used due to flash module is not mostly provided with shading element, thus when using flash module, the problem that lens periphery often has light leak produces.
So improving of the above-mentioned defect of the present inventor's thoughts is that spy concentrates on studies and coordinates the utilization of scientific principle, finally propose a kind of reasonable in design and effectively improve the present invention of above-mentioned defect.
Summary of the invention
The embodiment of the present invention is to provide a kind of camera head and flash module thereof, and its structural design is beneficial to a large amount of production and effectively can reduces leakage problem.
The embodiment of the present invention provides a kind of camera head, comprising: a photographing module: and a flash module, it comprises a circuit board, and it is electrically connected at this photographing module; One flashing light unit, it is installed on this circuit board; And an optical unit, it comprises: lens, and it has an incidence surface, an exiting surface and a ring side, and this incidence surface and this exiting surface lay respectively at the opposite end of these lens, and this ring side is roughly between this incidence surface and this exiting surface; And the shaded frame be formed on these lens, it is roughly seamlessly engaged in the ring side of these lens, and the incidence surface of these lens is positioned at the space that this shaded frame surrounds; Wherein, this shaded frame is arranged on this circuit board, toward each other, and this flashing light unit is placed in the space that this lens incidence surface, this shaded frame and this circuit board surround for this incidence surface and this flashing light unit, and this exiting surface is revealed in outside this shaded frame.
The embodiment of the present invention separately provides a kind of flash module of camera head, and it is in order to be electrically connected at a photographing module, and the flash module of this camera head comprises: a circuit board, and it is in order to be electrically connected at this photographing module; One flashing light unit, it is installed on this circuit board; And an optical unit, it comprises: lens, and it has an incidence surface, an exiting surface and a ring side, and this incidence surface and this exiting surface lay respectively at the opposite end of these lens, and this ring side is connected in this incidence surface and this exiting surface; And the shaded frame be formed on these lens, it is roughly seamlessly engaged in the ring side of these lens, and the incidence surface of these lens is positioned at the space that this shaded frame surrounds; Wherein, this shaded frame is arranged on this circuit board, and this incidence surface is towards this flashing light unit, and this flashing light unit is placed in the space that this lens incidence surface, this shaded frame and this circuit board surround, and this exiting surface is revealed in outside this shaded frame.
In sum, the camera head that the embodiment of the present invention provides and flash module thereof, it is seamlessly engaged in the ring side of lens by shaded frame, when applying to make photographing module and flash module arrange in pairs or groups, can effectively avoid flash module to produce the thing of light leak.Moreover the shaded frame of flash module is directly molded on lens periphery, and additionally need not carry out assembling and the contraposition of above-mentioned shaded frame and lens, uses a large amount of manufacturings being beneficial to optical unit.
Further understand feature of the present invention and technology contents for enable, refer to following detailed description for the present invention and accompanying drawing, but these illustrate and institute's accompanying drawings is only used to the present invention is described, but not any restriction is done to right of the present invention.
Accompanying drawing explanation
Fig. 1 is the block schematic diagram of camera head of the present invention.
Fig. 2 is the schematic perspective view of flash module first embodiment of the present invention.
Fig. 3 is the decomposing schematic representation of flash module first embodiment of the present invention.
Fig. 4 is the cross-sectional schematic of flash module first embodiment of the present invention.
The cross-sectional schematic of Fig. 5 to be the exiting surface of flash module first embodiment of the present invention be outstanding aspect.
The cross-sectional schematic of Fig. 6 to be the exiting surface of flash module first embodiment of the present invention be depression aspect.
Fig. 7 is the optical unit of flash module first embodiment of the present invention is fixed on circuit board cross-sectional schematic in welding mode.
Fig. 8 is that the optical unit of flash module first embodiment of the present invention is to paste the cross-sectional schematic that mode is fixed on circuit board.
Fig. 9 is the cross-sectional schematic of flash module second embodiment of camera head of the present invention.
[symbol description]
100 camera heads
1 photographing module
2 flash modules
21 circuit boards
211 perforation
22 flashing light units
221 light-emitting diodes
23 optical units
231 lens
231a transmittance section
2311 incidence surfaces
2312 exiting surfaces
2313 ring sides
2314 is protruding
231b joint portion
231c reference column
232 shaded frames
2321 support bodys
2322 reference columns
C central axis
Embodiment
[the first embodiment]
Refer to Fig. 1, it is the first embodiment of the present invention, and what need first illustrate is, correlated measure mentioned by the present embodiment correspondence pattern, position and shape, only in order to specifically describe embodiments of the present invention, so that understand its content, and be not used to limit to right of the present invention.
The present embodiment is a kind of camera head 100, and espespecially a kind of volume size is suitable for the camera head 100 being installed in mobile communication equipment, and above-mentioned mobile communication equipment is such as mobile phone, panel computer or notebook computer etc.Wherein, described camera head 100 comprises photographing module 1 and a flash module 2, above-mentioned photographing module 1 can be that a kind of electric charge lotus root closes element (Charge Coupled Device, CCD) structure or CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal-Oxide-Semiconductor, CMOS) structure, but when practical application, the type of camera head 100 is not limited to this.
Refer to Fig. 2 to Fig. 4, described flash module 2 comprises circuit board 21, flashing light unit 22 and an optical unit 23.Wherein, foregoing circuit plate 21 is electrically connected at photographing module 1, and the electric connection mode between circuits plate 21 and photographing module 1, it can be that photographing module 1 is directly installed (as: welding) reach electric connection on circuit board 21, or photographing module 1 is electrically connected at circuit board 21 by other elements (as: wire), embodiment is not between the two limited at this.Moreover foregoing circuit plate 21 is formed with multiple perforation 211.
Described flashing light unit 22 is with single light-emitting diode 221(light emitting diode in the present embodiment, LED) be example, but when practical application, flashing light unit 22 can be adjusted change according to the specification size of flash module 2, is not limited to single light-emitting diode 221.For example, flashing light unit 22 also can be the array that many light-emitting diodes are formed.
Above-mentioned flashing light unit 22 is installed on circuit board 21, and flashing light unit 22 is within circuit board 21 region that these perforation 211 are surrounded.In more detail, flashing light unit 22 is roughly the same apart from the distance of each perforation 211 on circuit board 21.Moreover flashing light unit 22 is electrically connected at circuit board 21, to reach electric connection by circuit board 21 with photographing module 1.
The shaded frame 232 that described optical unit 23 includes lens 231 and is formed on lens 231.Should be noted that, lens in the present embodiment 231 and shaded frame 232 are by extra quality injection (two shot injection) mode, so that shaded frame 232 is incorporated into lens 231 periphery, and then make optical unit 23 be the structure of single-piece.
Below the structure respective for lens 231 and shaded frame 232 is described, so that understand the detail characteristic of optical unit 23, but not lens 231 and both shaded frames 232 is considered as separable members.
Described lens 231 have incidence surface 2311, exiting surface 2312 and a ring side 2313, and incidence surface 2311 and exiting surface 2312 lay respectively at the opposite end (as the lens bottom in Fig. 4 and top) of lens 231, and ring side 2313 is roughly between incidence surface 2311 and exiting surface 2312, that is, lens 231 position be connected in the present embodiment between incidence surface 2311 and exiting surface 2312 is ring side 2313.Moreover described lens 231 definition has a central axis C, and central axis C edge is through the central part of incidence surface 2311 and the central part of exiting surface 2312, and lens 231 are roughly symmetrical in central axis C.
In more detail, the surface of the pyramid projection 2314 that described incidence surface 2311 is multiple concentric ring-shaped is formed, also namely, the home position of these projections 2314 is all identical and roughly position is in the centre of incidence surface 2311, and described central axis C edge is through the center of circle of these projections 2314.Say further, these projections 2314 correspond to the outstanding distance of central axis C, and it little by little increases towards the direction away from central axis C near central axis C.Change an angle, namely the incidence surface 2311 in the present embodiment is equivalent to the surface of Fresnel Lenses (Fersnel lens).Moreover rounded plane of described exiting surface 2312, ring side 2313 is then roughly cylindrical.
Described shaded frame 232 is also roughly symmetrical in central axis C, and shaded frame 232 support body 2321 with a tubulose and multiple reference columns 2322 of integrally extending to form bottom support body 2321.In more detail, shaded frame 232 by extra quality shoot mode with the ring side 2313 making the first half inner edge of support body 2321 roughly seamlessly be engaged in lens 231, that is, the support body 2321 that the ring side 2313 of lens 231 is fully blocked frame 232 covered, the space being positioned at shaded frame 232 to make the incidence surface 2311 of lens 231 and surrounding.Moreover described shaded frame 232 is copline shape away from one end (support body 2321 apical margin as in Fig. 4) of circuit board 21 and the exiting surface 2312 of lens 231 and mutually trims.
The quantity of described reference column 2322 is roughly equal to perforation 211 quantity on circuit board 21, and the positional alignment of these reference columns 2322 corresponds to perforation 211 positional alignment on circuit board 21.The structure of each reference column 2322 is adapted to pass through above-mentioned corresponding circuit board 21 and bores a hole 211, and the height of each reference column 2322 is greater than corresponding perforation 211 degree of depth (i.e. the thickness of foregoing circuit plate 21).
Wherein, described shaded frame 232 spills in outward via the ring side 2313 of lens 231 in order to avoid the light entering lens 231.Moreover the preferred color of shaded frame 232 is black or white, but when shaded frame 232 adopts white, the outer surface of shaded frame 232 can be provided with light shield layer (figure slightly) more further, uses the effect promoting and hide and leak.
In addition, though the optical unit 23 in the present embodiment is copline shape for the exiting surface 2312 of support body 2321 apical margin and lens 231 and mutually trims, do not get rid of other and implement aspect.For example, the structure that the exiting surface 2312 of optical unit 23 also can be formed as Fig. 5 or Fig. 6 according to designer's demand, is not limited at this.
Above-mentioned the structure that circuit board 21, flashing light unit 22 and optical unit 23 are respective is described, then will have introduced optical unit 23 below relative to the annexation of circuit board 21 with flashing light unit 22.
The shaded frame 232 of described optical unit 23 is each passed through the perforation 211 of circuit board 21 with its reference column 2322, and then the support body 2321 of shaded frame 232 is arranged on circuit board 21.Thereafter, these reference columns 2322 position of passing circuit board 21 in order to by hot melt fixed optics unit 23 in circuit board 21(as Fig. 7).
Wherein, described flashing light unit 22 is positioned on the central axis C that lens 231 define, and the substantial middle position of incidence surface 2311 and flashing light unit 22 are toward each other.Flashing light unit 22 is placed in the space that the incidence surface 2311 of lens 231, shaded frame 232 and circuit board 21 surround jointly, and the space that the incidence surface 2311 of said lens 231, shaded frame 232 and circuit board 21 surround jointly is roughly in closed.Moreover the plane exiting surface 2312 of lens 231 is roughly parallel to the plate face of circuit board 21.
In addition, the optical unit 23 in the present embodiment is for hot melt reference column 2322 with the juncture of circuit board 21, but when practical application, does not get rid of other execution modes.For example, as shown in Figure 8, the shaded frame 232 of optical unit 23 need not form reference column 2322, and shaded frame 232 root edge sticks on circuit board 21.
[the second embodiment]
Refer to shown in Fig. 9, it is the second embodiment of the present invention, the present embodiment and the first embodiment similar, exist together mutually, no longer repeat, and both differences are mainly the structure of optical unit 23.
Specifically, lens 231 can divide into a transmittance section 231a, joint portion 231b roughly in a tubular form and multiple reference column 231c in the present embodiment.Namely the transmittance section 231a of the present embodiment is equivalent to the lens 231 described in the first embodiment, and joint portion 231b be bottom the 231a of transmittance section periphery one extend formed.These reference columns 231c of lens 231 extends from joint portion 231b root edge one formed respectively, and the portion top surface of each reference column 231c is not connected with joint portion 231b.
Moreover, shaded frame 232 by extra quality shoot mode to be incorporated into the end face position that transmittance section 231a periphery, joint portion 231b periphery and reference column 231c are not connected in joint portion 231b.By this, optical unit 23 passes through to increase the connection area between shaded frame 232 and lens 231, to make the joint between shaded frame 232 and lens 231 more firm.
Therefore, when optical unit 23 is installed in circuit board 21, the shaded frame 232 of optical unit 23 is the perforation 211 being each passed through circuit board 21 with the reference column 231c of lens 231, and then the support body 2321 of shaded frame 232 is arranged on circuit board 21.Thereafter, these reference columns 2322 pass the position of circuit board 21 in order to described optical unit 23 fixing by hot melt in circuit board 21(figure slightly).
[the possible effect of the embodiment of the present invention]
In sum, the camera head that the embodiment of the present invention provides seamlessly is engaged in the ring side of lens by shaded frame, when applying to make photographing module and flash module arrange in pairs or groups, can effectively avoid flash module to produce the thing of light leak.Moreover the shaded frame of flash module is directly molded on lens periphery, and need not carry out assembling and the contraposition of shaded frame and lens, uses a large amount of manufacturings being beneficial to optical unit.
In addition, due to camera head be installed on mobile communication equipment time, it is mostly the plane position of mobile communication equipment housing that camera head is exposed to outer position, the embodiment of the present invention is copline shape by the support body apical margin of shaded frame and the exiting surface of lens and is mutually trimmed, and makes flash module be more suitable for being arranged on mobile communication equipment.
The foregoing is only preferred possible embodiments of the present invention, it is also not used to limit to the scope of the claims of the present invention, and all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. a camera head, is characterized in that, described camera head comprises:
One photographing module: and
One flash module, described flash module comprises:
One circuit board, described circuit board is electrically connected at described photographing module;
One flashing light unit, described flashing light unit is installed on described circuit board; And
One optical unit, described optical unit comprises:
One lens, described lens have an incidence surface, an exiting surface and a ring side, and described incidence surface and described exiting surface lay respectively at the contrary two ends of described lens, and described ring side is between described incidence surface and described exiting surface; And
Be formed in the shaded frame on described lens, described shaded frame seamlessly engages with the ring side of described lens, and the incidence surface of described lens is positioned at the space that described shaded frame surrounds;
Wherein, described shaded frame is arranged on described circuit board, toward each other, and described flashing light unit is placed in the space that the incidence surface of described lens, described shaded frame and described circuit board surround for described incidence surface and described flashing light unit, and described exiting surface is revealed in outside described shaded frame.
2. camera head according to claim 1, is characterized in that, described lens definition has a central axis, and described lens are symmetrical in described central axis, and described flashing light unit is positioned on described central axis.
3. camera head according to claim 1, is characterized in that, the exiting surface of described lens is plane and is parallel to described circuit board.
4. camera head according to claim 1, is characterized in that, the ring side of described lens fully cover by described shaded frame, and the space that the incidence surface of described lens, described shaded frame and described circuit board surround jointly is closed.
5. camera head according to claim 1, is characterized in that, described lens and described shaded frame are formed by extra quality shoot mode, described shaded frame to be incorporated into the ring side of described lens.
6. camera head according to claim 1, is characterized in that, one end away from described circuit board of described shaded frame and the exiting surface of described lens trim.
7. camera head according to claim 1, it is characterized in that, one end of the exiting surface away from described lens of described shaded frame is provided with multiple reference column, described reference column passes described circuit board, and described reference column passes the position of described circuit board in order to be fixed on described circuit board by described optical unit by hot melt.
8. a flash module for camera head, is characterized in that, in order to be electrically connected at a photographing module, the flash module of described camera head comprises:
One circuit board, described circuit board is in order to be electrically connected at described photographing module;
One flashing light unit, described flashing light unit is installed on described circuit board; And
One optical unit, described optical unit comprises:
One lens, described lens have an incidence surface, an exiting surface and a ring side, and described incidence surface and described exiting surface lay respectively at the contrary two ends of described lens, and described ring side is connected with described incidence surface and described exiting surface; And
Be formed in the shaded frame on described lens, described shaded frame seamlessly engages with the ring side of described lens, and the incidence surface of described lens is positioned at the space that described shaded frame surrounds;
Wherein, described shaded frame is arranged on described circuit board, described incidence surface is towards described flashing light unit, and described flashing light unit is placed in the space that the incidence surface of described lens, described shaded frame and described circuit board surround, and described exiting surface is revealed in outside described shaded frame.
9. the flash module of camera head according to claim 8, it is characterized in that, one end of the exiting surface away from described lens of described shaded frame is provided with multiple reference column, described reference column passes described circuit board, and described reference column passes the position of described circuit board in order to be fixed on described circuit board by described optical unit by hot melt.
10. the flash module of camera head according to claim 8, it is characterized in that, described lens definition has a central axis, and described lens are symmetrical in described central axis, and described flashing light unit is positioned on described central axis, the exiting surface of described lens is plane and is parallel to described circuit board, and one end away from described circuit board of described shaded frame and the exiting surface of described lens trim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102127761A TW201506517A (en) | 2013-08-02 | 2013-08-02 | Camera device and photoflash module thereof |
| TW102127761 | 2013-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104349023A true CN104349023A (en) | 2015-02-11 |
Family
ID=52503765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310344545.XA Pending CN104349023A (en) | 2013-08-02 | 2013-08-08 | Camera device and flash module thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104349023A (en) |
| TW (1) | TW201506517A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573019A (en) * | 2015-07-31 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Fixing method and fixing device for flash lamp and optical lens |
| CN111897176A (en) * | 2020-08-10 | 2020-11-06 | 谷麦光电科技股份有限公司 | Flash lamp module and manufacturing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106210473B (en) * | 2016-08-10 | 2019-09-20 | 青岛海信移动通信技术股份有限公司 | Terminal device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201000819A (en) * | 2008-06-30 | 2010-01-01 | Create Electronic Optical Co Ltd | LED illumination device |
| JP2011097026A (en) * | 2009-09-30 | 2011-05-12 | Sanyo Electric Co Ltd | Element loading substrate, semiconductor module, optical module, and camera module |
| CN102287650A (en) * | 2011-08-10 | 2011-12-21 | 深圳市日上光电有限公司 | Lamphouse |
-
2013
- 2013-08-02 TW TW102127761A patent/TW201506517A/en unknown
- 2013-08-08 CN CN201310344545.XA patent/CN104349023A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201000819A (en) * | 2008-06-30 | 2010-01-01 | Create Electronic Optical Co Ltd | LED illumination device |
| JP2011097026A (en) * | 2009-09-30 | 2011-05-12 | Sanyo Electric Co Ltd | Element loading substrate, semiconductor module, optical module, and camera module |
| CN102287650A (en) * | 2011-08-10 | 2011-12-21 | 深圳市日上光电有限公司 | Lamphouse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573019A (en) * | 2015-07-31 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Fixing method and fixing device for flash lamp and optical lens |
| CN111897176A (en) * | 2020-08-10 | 2020-11-06 | 谷麦光电科技股份有限公司 | Flash lamp module and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201506517A (en) | 2015-02-16 |
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Application publication date: 20150211 |