CN102377951A

CN102377951A - Image sensing module and camera module

Info

Publication number: CN102377951A
Application number: CN201010264803XA
Authority: CN
Inventors: 张仁淙
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2010-08-27
Filing date: 2010-08-27
Publication date: 2012-03-14
Anticipated expiration: 2030-08-27
Also published as: CN102377951B

Abstract

The invention relates to an image sensing module. The image sensing module comprises a bearing substrate and an image sensor arranged on the bearing substrate. The image sensor comprises a sensing area and a periphery area. The image sensing module further comprises a bearing frame fixedly arranged on the bearing substrate and a transmitting panel. The bearing frame is provided with a main body which is provided with a top end, a bottom end, a containing cavity penetrating through the top end and the bottom end, and a bearing table. The bottom end and the bearing substrate are fixedly connected into a whole. The bearing table divides the containing cavity into a top containing cavity for containing the transmitting panel and a bottom containing cavity for containing the image sensor. The transmitting panel is adhered to the bearing surface of the bearing table. The bearing table is further provided with a plurality of supporting columns propping against the periphery of the image sensor. The end surfaces, far away from the bearing table, of the plurality of supporting columns are located at the same plane, and the plane is parallel to the bearing surface of the bearing table. The invention further provides a camera module with the image sensing module.

Description

Image sensing module and camera module

Technical field

The present invention relates to a kind of image sensing module and have the camera module of this image sensing module.

Background technology

Along with development of science and technology, the life that electronic equipments such as the digital camera of miniaturization, mobile phone or notebook computer are pressed close to people day by day.In order to satisfy people's demand, the camera module that is installed in the electronic equipment also becomes more and more littler.

Existing camera module generally comprises camera lens module that contains eyeglass and the image sensing module that links to each other with the camera lens module.This image sensing module comprises ceramic substrate and is arranged at the CIS on the bearing substrate.

Yet general image sensing module does not have baffle that CIS is protected, and is polluted by exogenous impurity (for example particulate) to prevent this CIS.If a particulate drops down onto the sensing area of this CIS; Not only can make CIS produce noise; But also can make that to the reflection and the refraction action of light autozoom or focus process are difficult to the camera module is adjusted to required focus because of particulate; Thereby twisted the formed image of CIS, and then lowered the image quality of camera module.In addition; In the process that camera lens module and the bad ceramic substrate of flatness are packaged as a whole; CIS is prone to the inclined light shaft of relative camera lens module, and then causes the optical axis of camera lens module very difficult vertical with CIS, has directly influenced the image quality of camera module.

Summary of the invention

In view of this, be necessary to provide a kind of image encapsulation module that CIS avoids polluting and camera module protected with this image sensing module.

A kind of image sensing module comprises bearing substrate and is located at the CIS of this bearing substrate.This CIS comprises sensing area and centers on the surrounding zone of this sensing area.This image sensing module comprises that further a carrier and a printing opacity of being located on this carrier that is fixedly arranged on this bearing substrate is dull and stereotyped.This carrier has the main part of a hollow.This main part has a top, bottom relative with this top, one and runs through the host cavity of this top and bottom, and plummer that in this host cavity, is extended to form by the inwall of this host cavity.This bottom and this bearing substrate fix as one.This plummer is divided into top host cavity and bottom host cavity with this host cavity.It is dull and stereotyped that this top host cavity is used to accommodate this printing opacity, and this plummer and this printing opacity flat board fit.This bottom host cavity is used to accommodate this CIS.This plummer has a loading end away from the bottom surface of this main part, and this loading end and this printing opacity flat board fit.This plummer be provided with also that a plurality of surrounding zones to this CIS are extended and with the support column of the surrounding zone butt of this CIS.These a plurality of support columns are positioned at same plane away from the end face of this plummer, and this plane parallel is in the loading end of this plummer.

A kind of camera module comprises a camera lens module.This camera lens module comprises microscope base and is contained in an eyeglass in this microscope base.This microscope base has the upper surface, the lower surface that deviates from mutually with this upper surface and the host cavity that runs through this upper surface and this lower surface.This eyeglass is contained in this host cavity.This camera module further comprises an image sensing module.The CIS that this image sensing module image sensing module comprises bearing substrate and is located at this bearing substrate.This CIS comprises sensing area and centers on the surrounding zone of this sensing area.This image sensing module comprises that further a carrier and a printing opacity of being located on this carrier that is fixedly arranged on this bearing substrate is dull and stereotyped.This carrier has the main part of a hollow.This main part has a top, bottom relative with this top, one and runs through the host cavity of this top and bottom, and plummer that in this host cavity, is extended to form by the inwall of this host cavity.This bottom and this bearing substrate fix as one, and this plummer is divided into top host cavity and bottom host cavity with this host cavity, and it is dull and stereotyped that this top host cavity is used to accommodate this printing opacity.This bottom host cavity is used to accommodate this CIS.This plummer has a loading end away from the bottom surface of this main part, and this loading end and this printing opacity flat board fit.This plummer be provided with also that a plurality of surrounding zones to this CIS are extended and with the support column of the surrounding zone butt of this CIS.These a plurality of support columns are positioned at same plane away from the end face of this plummer, and this plane parallel is in the loading end of this plummer.The lower surface of this microscope base is located on this printing opacity flat board, passes this printing opacity flat board and is received sensing by this image sensing module so that get into the light of this eyeglass.

Compared with prior art, image sensing module provided by the invention is protected the CIS of being located on the bearing substrate through the printing opacity flat board, thereby can protect CIS to avoid polluting.In addition, the end face that each support column and CIS connect is parallel to the loading end of plummer, and the printing opacity flat board fits in the loading end of plummer, so the depth of parallelism between CIS and the printing opacity flat board is higher.Simultaneously; The lower surface of microscope base is located on the printing opacity flat board; Thereby make that the perpendicularity between the optical axis of the dull and stereotyped and camera lens module of printing opacity is higher; And then make the optical axis of camera lens module to have avoided problem preferably perpendicular to CIS owing to the inclined light shaft of the relative camera lens module of the bad CIS that causes of bearing substrate flatness, improved the image quality of camera module.

Description of drawings

Fig. 1 is the sketch map of the camera module that provides of the embodiment of the invention.

Fig. 2 is the schematic perspective view of the carrier of the camera module among Fig. 1.

Fig. 3 is the schematic perspective view at another visual angle of the carrier among Fig. 2.

The main element symbol description

Camera module 100

Image sensing module 10

Camera lens module 20

Loading plate 30

Bearing substrate 11

CIS 13

Lead 15

Carrier 17

Printing opacity dull and stereotyped 19

Sensing area 131

Surrounding zone 133

Main part 171

End face 1711

Bottom surface 1713

Host cavity 1715

Plummer 1716

Loading end 1717

Top host cavity 1718

Bottom host cavity 1719

Support column 18

Microscope base 21

Eyeglass 23

Upper surface 211

Lower surface 213

Host cavity 215

Embodiment

Please consult Fig. 1,2 and 3 in the lump, the camera module 100 that first embodiment of the invention provided comprises that image sensing module 10 reaches and the camera lens module 20 of image sensing module 10 Joints.Contain at least one eyeglass 23 in the camera lens module 20.

Image sensing module 10 is used for converting the light signal from eyeglass 23 into the signal of telecommunication, and it comprises bearing substrate 11, CIS 13, multiple conducting wires 15, a carrier 17 and a printing opacity dull and stereotyped 19 of being located on the carrier 17 that is fixedly arranged on bearing substrate 11.

Bearing substrate 11 is used to carry CIS 13 and carrier 17.In the present embodiment, bearing substrate 11 is for being provided with the ceramic substrate of circuit.Certainly, bearing substrate 11 also can be printed circuit board (PCB).

CIS 13 is used for converting light signal into the signal of telecommunication.CIS 13 is located at bearing substrate 11, and electrically connects through multiple conducting wires 15 and bearing substrate 11.CIS 13 comprises the surrounding zone 133 that is used to receive the sensing area 131 of light and centers on sensing area 131.

Carrier 17 has the main part 171 of a hollow.Main part 171 has an end face 1711, runs through host cavity 1715, and plummer 1716 that is extended to form to host cavity 1715 by the inwall of host cavity 1715 of end face 1711 and bottom surface 1713 with end face 1711 opposed bottom surface 1713, one.Bottom surface 1713 fixes as one with bearing substrate 11.

Preferably, in the present embodiment, plummer 1716 is the annular plummer.The central authorities of plummer 1716 are provided with a light hole 110.Plummer 1716 is divided into top host cavity 1718 and bottom host cavity 1719 with host cavity 1715.Top host cavity 1718 is used to accommodate printing opacity dull and stereotyped 19.Bottom host cavity 1719 is used to accommodate CIS 13.Certainly, plummer 1716 also can be provided with the square plummer of square light hole for central authorities.Certainly, plummer 1716 also can be surrounded by two, three or a plurality of arc platforms.

Plummer 1716 has a loading end 1717.Loading end 1717 is away from bottom surface 1713.Loading end 1717 is used to carry printing opacity flat board 19, and fits with printing opacity dull and stereotyped 19.Plummer 1716 also is provided with a plurality of support columns 18 that extend to the surrounding zone 133 of CIS 13.Surrounding zone 133 butts of each support column 18 and CIS 13, and each support column 18 all is parallel to loading end 1717 away from the end face of plummer 1716.A plurality of support columns 18 are positioned at same plane away from the end face of plummer 1716, and this plane parallel is in loading end 1717.Preferably, in the present embodiment, a plurality of support columns 18 are with the distribution that is centrosymmetric of the center of carrier 17.

Printing opacity dull and stereotyped 19 is contained in top host cavity 1718, and printing opacity dull and stereotyped 19 fits in loading end 1717.Preferably, in the present embodiment, printing opacity dull and stereotyped 19 closely is sticked in the top host cavity 1718.In the present embodiment, printing opacity dull and stereotyped 19 is processed by the good glass of flatness, and the end face on outstanding bearing substrate 11 tops.Certainly, printing opacity dull and stereotyped 19 can also be entreated therein filter coating is set.

Camera lens module 20 is located at printing opacity flat board 19, and it comprises that camera lens module 20 comprises the microscope base 21 that is used to accommodate eyeglass 23.

Microscope base 21 comprises upper surface 211, the lower surface 213 relative with upper surface 211 and runs through upper surface 211 and the host cavity 215 of lower surface 213.Host cavity 215 is used to accommodate eyeglass 23.

In the present embodiment, microscope base 21 lower surfaces 213 directly fit tightly with printing opacity flat board 19.

Further, the end face 1711 of the lower surface 213 of microscope base 21, carrier 17 and the printing opacity dull and stereotyped 19 common glue resettlement sections (figure does not show) that limit.The glue resettlement section is used to accommodate the viscose glue that microscope base 21, carrier 17 and printing opacity dull and stereotyped 19 fixed as one.Because of the incidence surface of glue resettlement section away from printing opacity dull and stereotyped 19, glue can not pollute printing opacity dull and stereotyped 19.Certainly, also can fix as one between the end face on the lower surface 213 of microscope base 21 and the top of carrier 17 through the mode that engages.

Compared to prior art, image sensing module 10 is protected through the dull and stereotyped 19 pairs of CISs 13 of printing opacity, thereby can protect CIS 13 to avoid extraneous contamination.In addition, support column 18 is parallel to loading end 1717 with the end face that CIS 13 connects, and printing opacity dull and stereotyped 19 fits in loading end 1717, so the depth of parallelism between CIS 13 and the printing opacity dull and stereotyped 19 is higher.Simultaneously; The lower printing opacity of flatness dull and stereotyped 19 is located in the lower surface 213 of microscope base 21; Thereby make that the perpendicularity between the optical axis of printing opacity dull and stereotyped 19 and camera lens module 20 is higher; And then make the optical axis of camera lens module 20 to have avoided problem preferably perpendicular to CIS 13 owing to the inclined light shaft of the bad CIS that the causes 13 relative camera lens modules 20 of bearing substrate 11 flatnesses, improved the image quality of camera module 100.In addition, a plurality of support column 18 is spaced apart, thereby the heat that makes CIS 13 sent sheds better.

In addition, those skilled in the art can also do other variation in spirit of the present invention, and certainly, these all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.

Claims

1. image sensing module; The CIS that it comprises bearing substrate and is located at this bearing substrate; This CIS comprises sensing area and centers on the surrounding zone of this sensing area; It is characterized in that: this image sensing module comprises that further a carrier and a printing opacity of being located on this carrier that is fixedly arranged on this bearing substrate is dull and stereotyped; This carrier has the main part of a hollow, and this main part has an end face, one and this end face opposed bottom surface, host cavity that runs through this end face and bottom surface, and plummer that in this host cavity, is extended to form by the inwall of this host cavity, and this bottom surface and this bearing substrate fix as one; This plummer is divided into top host cavity and bottom host cavity with this host cavity; This top host cavity is used to accommodate this printing opacity flat board, and this bottom host cavity is used to accommodate this CIS, and this plummer has a loading end away from the bottom surface of this main part; And this loading end and this printing opacity flat board fit; This plummer be provided with also that a plurality of surrounding zones to this CIS are extended and with the support column of the surrounding zone butt of this CIS, these a plurality of support columns are positioned at same plane away from the end face of this plummer, and this plane parallel is in the loading end of this plummer.

2. image sensing module as claimed in claim 1 is characterized in that, this plummer is the annular plummer.

3. image sensing module as claimed in claim 2 is characterized in that, these a plurality of support columns are with the distribution that is centrosymmetric of the center of this plummer.

4. image sensing module as claimed in claim 1 is characterized in that, the end face of dull and stereotyped outstanding this main part of this printing opacity.

5. camera module; It comprises a camera lens module; This camera lens module comprises microscope base and is contained in an eyeglass in this microscope base, and this microscope base has the upper surface, the lower surface that deviates from mutually with this upper surface and the host cavity that runs through this upper surface and this lower surface, and this eyeglass is contained in this host cavity; It is characterized in that; This camera module comprises that further the lower surface of this microscope base is located on this printing opacity flat board like each described image sensing module among the claim 1-4, passes this printing opacity flat board and is received sensing by this image sensing module so that get into the light of this eyeglass.

6. camera module as claimed in claim 5 is characterized in that, this printing opacity flat board is given prominence to the end face of this main part, and fits with the lower surface of this microscope base.

7. camera module as claimed in claim 6 is characterized in that, glue resettlement section of the common qualification of the end face of this microscope base lower surface, printing opacity flat board and main part, and this glue resettlement section is used to accommodate the glue that microscope base, printing opacity flat board and main part are fixed as one.

8. camera module as claimed in claim 5 is characterized in that, the dull and stereotyped middle section of this printing opacity is provided with filter coating.

9. camera module as claimed in claim 5 is characterized in that, this plummer is the annular plummer.

10. camera module as claimed in claim 9 is characterized in that, these a plurality of support columns are with the distribution that is centrosymmetric of the center of this plummer.