CN104780304A - Base structure and camera module adopting same - Google Patents
Base structure and camera module adopting same Download PDFInfo
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- CN104780304A CN104780304A CN201510168952.9A CN201510168952A CN104780304A CN 104780304 A CN104780304 A CN 104780304A CN 201510168952 A CN201510168952 A CN 201510168952A CN 104780304 A CN104780304 A CN 104780304A
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- absorption layer
- light
- optical sheet
- understructure
- camera module
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Abstract
The invention discloses a base structure and a camera module adopting the same. The base structure comprises a base, an optical piece and a light absorption layer, wherein a light hole vertically penetrates through the base, and an inner flange is arranged on the hole wall on the periphery of the light hole; the optical piece is arranged on the upper surface or the lower surface of the inner flange; the light absorption layer is arranged on the edge of the upper surface or the lower surface of the optical piece and used for preventing the edge of the optical piece from reflecting light. The invention further provides the camera module. The area of an image sensing region in an image sensing assembly is equal to that of the optical piece except the light absorption layer in the base structure, and the image sensing region in the image sensing assembly and the optical piece except the light absorption layer in the base structure are vertically aligned. According to the base structure and the camera module adopting the base structure, the defects of a hot spot, stray light and the like in a formed image can be effectively prevented, and the imaging quality of a camera is greatly improved.
Description
Technical field
The present invention relates to camera technical field, particularly relate to understructure and there is the camera module of this understructure.
Background technology
For (the auto focus with focus function being applied to the electronic equipment such as mobile phone, flat board, AF) minisize pick-up head, as shown in Figure 1 to Figure 2, filter supporter 6 one aspect is used for around affecting sensor 52 to form dark room conditions, offer on the other hand and window, make the light through camera lens arrive the sensing region affecting sensor after windowing.Traditional, support 6 is also formed with the inward flange 12 attaching cutoff filter, and filter 7 is attached at the upper surface of inward flange 12 or lower surface with the infrared light in the red light crossing camera lens of filtering, puies forward photoimaging quality.But, rim ray through camera lens 4 usually reflexes to filter 2 edge, then after one or many reflects, sensing region is arrived again by the edge of filter 2, these rim raies are generally the light through light microscopic sheet non-optical division, not for imaging, again owing to arriving sensing region after filter 2 edge multiple reflections, cause there is the phenomenon such as speck, spurious rays in the image formed, affect image quality.The rim ray that another situation is through camera lens 4 arrives the edge that image sensor edge (position beyond such as sensing area) reflexes to filter 2 again, these mating plate one or many are reflexed to sensing area by the edge of filter again, and causing equally has the phenomenon such as speck, spurious rays in the image formed.
Summary of the invention
Object one of the present invention is to provide a kind of understructure that can effectively prevent optical sheet edge reflective;
Object two of the present invention is to provide a kind of camera module that effectively can prevent from having in the image formed the bad phenomenon such as speck, spurious rays.
For reaching this object, the present invention by the following technical solutions:
A kind of understructure, comprises base, and described base runs through up and down and is provided with loophole, and the hole wall of described loophole surrounding is provided with inward flange;
Also comprise the optical sheet being arranged on described inward flange upper surface or lower surface, and be arranged on upper surface or the light-absorption layer of lower surface edge for preventing optical sheet edge reflective of described optical sheet.
Wherein, described light-absorption layer is the blacking coating described optical sheet upper surface or lower surface edge place.
Wherein, described light-absorption layer is the black mylar film being arranged at described optical sheet upper surface or lower surface edge place.
Wherein, described optical sheet is infrared fileter for choosing required radiation wave band or cutoff filter.
Wherein, the sidewall of described optical sheet matches with the hole wall of described loophole surrounding.
A kind of camera module, the image sensing component comprising understructure, be arranged on the camera lens above described understructure and be arranged on below described understructure, the area equation of the optical sheet in the area in the image sensing district in described image sensing component and described understructure outside light-absorption layer and consistency from top to bottom are arranged.
Wherein, the width of described light-absorption layer is more than or equal to the width of described inward flange.
Wherein, described image sensing component comprises circuit board, the image sensor be arranged on described circuit board, and for connecting the gold thread of described image sensor and described circuit board.
Wherein, the optical sheet above described gold thread is provided with described light-absorption layer.
Wherein, the optical sheet below described lens edge is provided with described light-absorption layer.
Beneficial effect of the present invention: the invention provides a kind of module, comprise base, base runs through up and down and is provided with loophole, and the hole wall of loophole surrounding is provided with inward flange; Also comprise the optical sheet being arranged on inward flange upper surface or lower surface, and be arranged on upper surface or the light-absorption layer of lower surface edge for preventing optical sheet edge reflective of optical sheet; Present invention also offers a kind of camera module, the area equation of the optical sheet in the area in the image sensing district in image sensing component and described understructure outside light-absorption layer and consistency from top to bottom are arranged.Understructure of the present invention and the camera module with this understructure thereof effectively can prevent having speck, spurious rays etc. bad in the image formed, and greatly improve the image quality of camera.
Accompanying drawing explanation
Fig. 1 is the structural representation of the camera of filter when inward flange upper surface under prior art.
Fig. 2 is the structural representation of the camera of filter when inward flange lower surface under prior art.
Fig. 3 is the structural representation of the camera of filter of the present invention when inward flange upper surface.
Fig. 4 is the vertical view of filter shown in Fig. 3 and base.
Fig. 5 is the structural representation of the camera of filter of the present invention when inward flange lower surface.
Fig. 6 is the upward view of filter shown in Fig. 5 and base.
In figure: 1. base, 11. loopholes, 12. inward flanges, 2. optical sheet, 3. light-absorption layer, 4. camera lens, 5. image sensing component, 51. circuit boards, 52. image sensors, 53. gold threads, 6. filter supporter, 7. filter.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 3, a kind of understructure, comprise base 1, base about 1 runs through and is provided with loophole 11, the hole wall of loophole 11 surrounding is provided with inward flange 12, inward flange is provided with infrared fileter for choosing required radiation wave band or cutoff filter on a side of camera lens 4, the sidewall of infrared fileter or cutoff filter matches with the hole wall of described loophole 11 surrounding, as shown in Figure 4, infrared fileter or the edge of cutoff filter near a side of camera lens 4 are provided with for the reflective light-absorption layer 3 of infrared fileter or cutoff filter edge.
Preferably, light-absorption layer 3 of the present invention for the blacking of coating optical sheet 2 top surface edge place can the light of effective absorbing mirror head edge with this.
As further preferred, light-absorption layer 3 can also for being arranged at the black mylar film at optical sheet 2 top surface edge place.Black mylar film is mylar film (MYLAR sheet) PET polyester film, heated at the auxiliary lower of associated catalysts by dimethyl terephthalate (DMT) and ethylene glycol, through ester exchange and vacuum polycondensation, biaxial stretch-formed film, can the light of effective absorbing mirror head edge with this.And black mylar film as shown in Figure 4, for square frame shape is arranged, after black mylar film due to attaching square frame shape, the region that filter does not paste mylar film is relative with sensing region (sensing region is rectangle), and the region area not pasting mylar film is greater than sensing region area, therefore, the shape can improving mylar film is rectangle, and the region making not paste mylar film is identical with sensing region and overlap.
As shown in Figure 3, a kind of camera module, comprise understructure, be arranged on the camera lens 4 above understructure, and the image sensing component 5 be arranged on below understructure, preferably, the area equation of the optical sheet 2 in the area in the image sensing district in image sensing component 5 and understructure outside light-absorption layer 3 and consistency from top to bottom are arranged, and light-absorption layer 3 is black rectangle ring-type mylar film and width is more than or equal to the width of inward flange 12, as further preferred, image sensing component 5 comprises circuit board 51, be arranged on the image sensor 52 on described circuit board 51, and for connecting the gold thread 53 of described image sensor 52 and described circuit board 51,
Said structure designs, can by the setting of light-absorption layer 3, after effectively avoiding the rim ray of camera lens 4 to reflex to filter 2 edge, after one or many reflects, sensing region is arrived again by the edge of filter 2, and then cause there is the phenomenon such as speck, spurious rays in the image of formation, affect image quality.
Embodiment 2
As shown in Figure 5, as different from Example 1, infrared fileter in the present embodiment or cutoff filter are lost money instead of making money to be affected on the lower surface of inward flange of transducer 52 side in close, infrared fileter or the edge of cutoff filter near the side affecting transducer 52 are provided with light-absorption layer 3 simultaneously, preferably, light-absorption layer 3 of the present invention, can the light of effective absorbing mirror head edge with this for coating infrared fileter or cutoff filter near the blacking of edge affecting transducer 52 1 side.As further preferred, this blacking also can have black mylar film to replace, and black mylar film as shown in Figure 6, for square frame shape is arranged, after the black mylar film due to attaching square frame shape, the region that filter does not paste mylar film is relative with sensing region (sensing region is rectangle), and the region area not pasting mylar film is greater than sensing region area, therefore, the shape can improving mylar film is rectangle, and the region making not paste mylar film is identical with sensing region and overlap.
As shown in Figure 5, a kind of camera module, comprise understructure, be arranged on the camera lens 4 above understructure, and the image sensing component 5 be arranged on below understructure, the area equation of the optical sheet 2 in the area in the image sensing district in image sensing component 5 and understructure outside light-absorption layer 3 and consistency from top to bottom are arranged, as preferably, image sensing component 5 comprises circuit board 51, be arranged on the image sensor 52 on described circuit board 51, and for connecting the gold thread 53 of described image sensor 52 and described circuit board 51, preferred further, light-absorption layer 3 is black rectangle ring-type mylar film and width is more than or equal to the width of inward flange 12, and gold thread is positioned at immediately below black rectangle ring-type mylar film.
Said structure designs, camera lens absorbs external light source, pass to image sensor 52 after light conduction transmission is carried out in inside after, image sensor 52 carrys out work by light absorbing energy, now can reflex to the edge of infrared fileter or cutoff filter through gold thread 53 by some light, and the setting of light-absorption layer 3, effectively can avoid the veiling glare that the reverberation from gold thread 53 causes image sensing district, thus effectively avoid the generation of the phenomenon such as speck, spurious rays in image, greatly improve the image quality of camera module.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a understructure, comprise base (1), it is characterized in that: described base (1) runs through up and down and is provided with loophole (11), the hole wall of described loophole (11) surrounding is provided with inward flange (12);
Also comprise the optical sheet (2) being arranged on described inward flange (12) upper surface or lower surface, and be arranged on the light-absorption layer (3) that the upper surface of described optical sheet (2) or lower surface edge be used for preventing optical sheet (2) edge reflective.
2. a kind of understructure according to claim 1, is characterized in that: described light-absorption layer (3) is for coating the blacking of described optical sheet (2) upper surface or lower surface edge place.
3. a kind of understructure according to claim 1, is characterized in that: described light-absorption layer (3) is for being arranged at the black mylar film of described optical sheet (2) upper surface or lower surface edge place.
4. a kind of understructure according to claim 1, is characterized in that: described optical sheet (2) is for being used for choosing infrared fileter or the cutoff filter of required radiation wave band.
5. a kind of understructure according to claim 1, is characterized in that: the sidewall of described optical sheet (2) matches with the hole wall of described loophole (11) surrounding.
6. a camera module, the image sensing component (5) comprising understructure, be arranged on the camera lens (4) above described understructure and be arranged on below described understructure, is characterized in that: the area equation of the optical sheet (2) in the area in the image sensing district in described image sensing component (5) and described understructure outside light-absorption layer (3) and consistency from top to bottom are arranged.
7. a kind of camera module according to claim 6, is characterized in that: the width of described light-absorption layer (3) is more than or equal to the width of described inward flange (12).
8. a kind of camera module according to claim 6, it is characterized in that: described image sensing component (5) comprises circuit board (51), the image sensor (52) be arranged on described circuit board (51), and for connecting the gold thread (53) of described image sensor (52) and described circuit board (51).
9. a kind of camera module according to claim 6, is characterized in that: the optical sheet (2) of described gold thread (53) top is provided with described light-absorption layer (3).
10. a kind of camera module according to claim 6, is characterized in that: the optical sheet (2) below described camera lens (4) edge is provided with described light-absorption layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168952.9A CN104780304A (en) | 2015-04-10 | 2015-04-10 | Base structure and camera module adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168952.9A CN104780304A (en) | 2015-04-10 | 2015-04-10 | Base structure and camera module adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104780304A true CN104780304A (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168952.9A Pending CN104780304A (en) | 2015-04-10 | 2015-04-10 | Base structure and camera module adopting same |
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| CN (1) | CN104780304A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554353A (en) * | 2015-12-21 | 2016-05-04 | 小米科技有限责任公司 | Cut-off filter, camera module and electronic equipment |
| CN105573020A (en) * | 2016-02-22 | 2016-05-11 | 宁波舜宇光电信息有限公司 | Camera module with dust catching structure |
| CN105655301A (en) * | 2016-03-25 | 2016-06-08 | 苏州昀冢电子科技有限公司 | Packaging base of camera module chip and processing method thereof |
| CN107395794A (en) * | 2017-07-05 | 2017-11-24 | 广东欧珀移动通信有限公司 | Mobile terminal and its camera and processing method |
| CN109151261A (en) * | 2017-06-27 | 2019-01-04 | 宁波舜宇光电信息有限公司 | Camera module |
| CN111028672A (en) * | 2019-12-03 | 2020-04-17 | 维沃移动通信（杭州）有限公司 | Electronic device |
| CN111345021A (en) * | 2017-10-20 | 2020-06-26 | 宁波舜宇光电信息有限公司 | Photosensitive assembly and camera module based on metal support |
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| CN103516964A (en) * | 2012-06-28 | 2014-01-15 | 华为技术有限公司 | Camera shooting unit and device, camera display integrated device and camera shooting method |
| JP2014132333A (en) * | 2012-12-03 | 2014-07-17 | Fujifilm Corp | Ir cut filter, manufacturing method therefor, solid-state image capturing device, and method of forming light shielding film |
| CN103997596A (en) * | 2014-06-10 | 2014-08-20 | 信利光电股份有限公司 | Camera module |
| CN203883910U (en) * | 2014-04-01 | 2014-10-15 | 宁波舜宇光电信息有限公司 | Photographic module base |
| CN204481931U (en) * | 2015-01-15 | 2015-07-15 | 宁波舜宇光电信息有限公司 | A kind of black coating film optical filters and camera module |
| CN204598124U (en) * | 2015-04-10 | 2015-08-26 | 南昌欧菲光电技术有限公司 | Understructure and there is the camera module of this understructure |
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2015
- 2015-04-10 CN CN201510168952.9A patent/CN104780304A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103516964A (en) * | 2012-06-28 | 2014-01-15 | 华为技术有限公司 | Camera shooting unit and device, camera display integrated device and camera shooting method |
| JP2014132333A (en) * | 2012-12-03 | 2014-07-17 | Fujifilm Corp | Ir cut filter, manufacturing method therefor, solid-state image capturing device, and method of forming light shielding film |
| CN203883910U (en) * | 2014-04-01 | 2014-10-15 | 宁波舜宇光电信息有限公司 | Photographic module base |
| CN103997596A (en) * | 2014-06-10 | 2014-08-20 | 信利光电股份有限公司 | Camera module |
| CN204481931U (en) * | 2015-01-15 | 2015-07-15 | 宁波舜宇光电信息有限公司 | A kind of black coating film optical filters and camera module |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554353A (en) * | 2015-12-21 | 2016-05-04 | 小米科技有限责任公司 | Cut-off filter, camera module and electronic equipment |
| CN105573020A (en) * | 2016-02-22 | 2016-05-11 | 宁波舜宇光电信息有限公司 | Camera module with dust catching structure |
| CN105655301A (en) * | 2016-03-25 | 2016-06-08 | 苏州昀冢电子科技有限公司 | Packaging base of camera module chip and processing method thereof |
| CN105655301B (en) * | 2016-03-25 | 2018-04-20 | 苏州昀冢电子科技有限公司 | The encapsulation base plate and its processing method of camera module chip |
| CN109151261A (en) * | 2017-06-27 | 2019-01-04 | 宁波舜宇光电信息有限公司 | Camera module |
| CN107395794A (en) * | 2017-07-05 | 2017-11-24 | 广东欧珀移动通信有限公司 | Mobile terminal and its camera and processing method |
| CN111345021A (en) * | 2017-10-20 | 2020-06-26 | 宁波舜宇光电信息有限公司 | Photosensitive assembly and camera module based on metal support |
| CN111028672A (en) * | 2019-12-03 | 2020-04-17 | 维沃移动通信（杭州）有限公司 | Electronic device |
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Application publication date: 20150715 |
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| RJ01 | Rejection of invention patent application after publication |