CN111131684A - Lens, camera module and manufacturing method of camera module - Google Patents
Lens, camera module and manufacturing method of camera module Download PDFInfo
- Publication number
- CN111131684A CN111131684A CN202010042887.6A CN202010042887A CN111131684A CN 111131684 A CN111131684 A CN 111131684A CN 202010042887 A CN202010042887 A CN 202010042887A CN 111131684 A CN111131684 A CN 111131684A
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- China
- Prior art keywords
- lens
- optical filter
- camera module
- chip
- circuit substrate
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- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 79
- 230000006698 induction Effects 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
A lens comprises a shell, an optical filter and an induction chip, wherein the optical filter and the induction chip are arranged in the shell, and the optical filter is located above the induction chip. The lens can ensure that the optical axis of the lens and the optical axis of the induction chip do not deviate, ensure the optical axis requirement and have simple and convenient manufacturing process. The invention also relates to a camera module and a manufacturing method of the camera module.
Description
Technical Field
The invention relates to the technical field of imaging equipment, in particular to a lens, a camera module and a manufacturing method of the camera module.
Background
The conventional one-piece lens generally includes a lens and a plastic housing, and the lens is disposed in the housing through an injection molding process. Fig. 1 is a schematic structural diagram of a conventional camera module. As shown in fig. 1, the conventional camera module 50 includes an integrated lens 51, a base 52, a filter 53, a sensing chip 54 and a circuit substrate 55 (PCB), wherein the integrated lens 51 and the filter 53 are disposed on the base, the filter 53 is located below the integrated lens 51, the base 52 and the sensing chip 54 are disposed on the circuit substrate 55, the base 52 is located above the sensing chip 54, and the sensing chip 54 is electrically connected to the circuit substrate 55.
The manufacturing process of the conventional camera module 50 is roughly as follows: firstly, glue is drawn on a circuit substrate 55 and an induction chip 54 is arranged to be solidified, then the induction chip 54 is electrically connected with the circuit substrate 55 by using gold wires, an optical filter 53 is fixed on a base 52 by glue, then the base 52 is fixed on the circuit substrate 55, finally glue is drawn on the base 52, an integrated lens 51 is placed on the glue, an optical axis of the integrated lens 51 and an optical axis of the induction chip 54 are on the same axis as much as possible by an optical axis adjusting process (namely an AA process), and after the adjustment is finished, the glue is naturally solidified to fix the integrated lens 51 on the base 52. Because the optical axis of the integrated lens 51 is coaxial with the optical axis of the sensing chip 54, the clear imaging effect can be achieved, and therefore the more perpendicular the optical axis of the integrated lens 51 and the optical axis of the sensing chip 54 is, the better the integrated lens 51, the sensing chip 54, the base 52 and the like are bonded through glue, after the thermosetting process, the inclination or the deviation of the base 52 and the like can occur, the deviation of the optical axis of the integrated lens 51 and the optical axis of the sensing chip 54 is caused, and the optical axis requirement cannot be met.
Disclosure of Invention
In view of the above, the present invention provides a lens, a camera module and a method for manufacturing the camera module, which can ensure that an optical axis of the lens and an optical axis of the sensing chip do not deviate, ensure optical axis requirements, and have simple and convenient processes.
A lens comprises a shell, an optical filter and an induction chip, wherein the optical filter and the induction chip are arranged in the shell, and the optical filter is located above the induction chip.
Furthermore, the shell comprises an accommodating space, and the optical filter and the induction chip are both located in the accommodating space.
Furthermore, the shell further comprises a limiting groove, the limiting groove is located in the accommodating space, and a part of the optical filter is arranged in the limiting groove.
Further, the shell further comprises a limiting protrusion, the limiting protrusion is located in the accommodating space, and one side of the induction chip abuts against the limiting protrusion.
Furthermore, the limiting bulge is in a strip shape.
Further, the shell further comprises a bearing part and a propping part, wherein the bearing part is used for bearing the lens, the bearing part is positioned above the propping part, and the optical filter and the induction chip are both arranged on the propping part.
Further, the optical filter and the induction chip are arranged in the shell through an injection molding process, and the induction chip and the shell are in interference fit.
Furthermore, the sensing chip comprises a plurality of conductive pins, and the conductive pins are positioned on one side back to the optical filter.
The invention also provides a camera module which comprises a circuit substrate and the lens, wherein the lens is arranged on the circuit substrate, and the sensing chip is electrically connected with the circuit substrate.
The invention also provides a manufacturing method of the camera module, which comprises the steps of:
providing a lens, wherein the lens comprises a shell, an optical filter and an induction chip, the optical filter and the induction chip are arranged in the shell through an injection molding process, the optical filter is positioned above the induction chip, and the induction chip comprises a plurality of conductive pins;
and providing a circuit substrate, arranging the lens on the circuit substrate, and electrically connecting the circuit substrate with the conductive pins.
According to the lens, the camera module and the manufacturing method of the camera module, the induction chip is fixed in the shell through the injection molding process, and the optical axis of the induction chip and the optical axis of the lens cannot deviate, so that the optical axis of the induction chip and the optical axis of the lens can be always kept in a vertical state, namely the optical axes of the induction chip and the optical axis of the lens are concentric, and the requirement of the optical axis is met; meanwhile, the lens can be directly arranged on the circuit substrate without an optical axis adjusting procedure; and the induction chip and the optical filter are fixed in the shell, so that a base is omitted, processes of gluing and fixing the chip and attaching the optical filter to the base are omitted, and the whole manufacturing process is simple and convenient.
Drawings
Fig. 1 is a schematic structural diagram of a conventional camera module.
Fig. 2 is a schematic structural diagram of a lens barrel according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a camera module according to an embodiment of the invention.
Fig. 4 is a schematic flow chart of a method for manufacturing a camera module according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Fig. 2 is a schematic structural diagram of a lens barrel according to an embodiment of the invention. As shown in fig. 2, the lens 1 includes an optical lens (not shown), a housing 2, a filter 3 and a sensing chip 4, wherein the optical lens, the filter 3 and the sensing chip 4 are all disposed in the housing 2, the optical lens is located above the filter 3, the filter 3 is located above the sensing chip 4, and the sensing chip 4 and the housing 2 are in interference fit. In the present embodiment, the optical filter 3 and the sensing chip 4 are fixed in the housing 2 by an injection molding process.
Specifically, the housing 2 includes an accommodating space 21, a limiting groove 22, a limiting protrusion 23, a bearing portion 24 for bearing the lens, and an abutting portion 25. Spacing groove 22 and spacing arch 23 all are located accommodation space 21, and spacing groove 22 is located spacing arch 23 top, and supporting part 24 is located and supports 25 tops, and light filter 3 and response chip 4 all set up on supporting part 25, and the partly setting of light filter 3 is in spacing groove 22 to fixed light filter 3, one side of response chip 4 supports and supports spacing arch 23, removes in order to restrict response chip 4 and to accommodation space 21. Further, the limiting protrusion 23 is a strip shape, but not limited thereto, for example, the limiting protrusion 23 is a block shape, and a plurality of limiting protrusions 23 are uniformly distributed around the sensing chip 4 to limit the movement of the sensing chip into the accommodating space 21. In the present embodiment, both the stopper groove 22 and the stopper protrusion 23 may be formed through an injection molding process.
As shown in fig. 2, the sensing chip 4 includes a plurality of conductive pins 41, the conductive pins 41 are located on a side opposite to the optical filter 3, and the conductive pins 41 can be electrically connected to other components, so that the sensing chip 4 is electrically connected, further, the conductive pins 41 can be specifically a PAD (PAD), but not limited thereto, and the specific number and position of the conductive pins 41 can be freely selected according to actual situations.
Fig. 3 is a schematic structural diagram of a camera module according to an embodiment of the invention. As shown in fig. 3, the camera module 10 includes a circuit substrate 12 and the lens 1, the lens 1 is disposed on the circuit substrate 12, specifically, the abutting portion 25 of the lens 1 is fixedly connected to the circuit substrate 12, the circuit substrate 12 is also provided with a conductive pin 41 (PAD), the conductive pin 41 of the sensor chip 4 is connected to the conductive pin 41 of the circuit substrate 12, further, the conductive pin 41 between the sensor chip 4 and the circuit substrate 12 can be connected to a conductive adhesive, but not limited thereto, the abutting portion 25 can be connected to the circuit substrate 12 by a thermosetting adhesive, but not limited thereto.
In other embodiments, the conductive pins 41 may also be pins, and the circuit substrate 12 is provided with slots corresponding to the pins, and the pins are connected with the slots in a matching manner, so as to electrically connect the sensing chip 4 and the circuit substrate 12.
Fig. 4 is a schematic flow chart of a method for manufacturing a camera module according to the present invention. The present invention also relates to a method for manufacturing a camera module, including the camera module 10, as shown in fig. 4, the method for manufacturing a camera module includes the steps of:
step S1: providing a lens 1, wherein the lens 1 comprises a shell 2, an optical filter 3 and an induction chip 4, the optical filter 3 and the induction chip 4 are arranged in the shell 2 through an injection molding process, the optical filter 3 is positioned above the induction chip 4, and the induction chip 4 comprises a plurality of conductive pins 41; specifically, the lens 1 further includes an optical lens, the optical filter 3 and the sensing chip 4 are placed in a mold corresponding to the housing 2, and then plastic injection molding is performed to form the housing 2, and the optical filter 3 and the sensing chip 4 are fixed in the housing 2. In this embodiment, since the mold itself can ensure that the optical axis between the optical lens and the sensing chip 4 meets the optical axis requirement, the optical axis between the optical lens and the sensing chip 4 still meets the optical axis requirement after the injection molding is completed.
Step S2: providing a circuit substrate 12, disposing the lens 1 on the circuit substrate 12, and electrically connecting the circuit substrate 12 with the conductive pins 41.
According to the lens 1, the camera module 10 and the manufacturing method of the camera module, the induction chip 4 is fixed in the shell 2 through the injection molding process, and the optical axis of the induction chip 4 and the optical axis of the lens 1 cannot deviate, so that the optical axis of the induction chip 4 and the optical axis of the lens 1 can be always kept in a vertical state, namely the optical axes of the induction chip 4 and the optical axis of the lens 1 are concentric, and the optical axis requirement is met; meanwhile, the lens 1 can be directly arranged on the circuit substrate 12 without an optical axis adjusting process; and the induction chip 4 and the optical filter 3 are both fixed in the shell 2, so that a base is cancelled, the processes of gluing to fix the chip and attaching the optical filter to the base are saved, and the whole manufacturing process is simple and convenient.
In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
Claims (10)
1. The lens is characterized by comprising a shell, an optical filter and an induction chip, wherein the optical filter and the induction chip are arranged in the shell, and the optical filter is positioned above the induction chip.
2. The lens barrel as claimed in claim 1, wherein the housing includes an accommodating space, and the optical filter and the sensing chip are both located in the accommodating space.
3. The lens barrel according to claim 2, wherein the housing further includes a limiting groove, the limiting groove is located in the accommodating space, and a part of the optical filter is disposed in the limiting groove.
4. The lens barrel as claimed in claim 2, wherein the housing further includes a limiting protrusion, the limiting protrusion is located in the accommodating space, and one side of the sensing chip abuts against the limiting protrusion.
5. The lens barrel as claimed in claim 4, wherein the stopper projection has a strip shape.
6. The lens barrel according to claim 1, wherein the housing further includes a bearing portion for bearing a lens and an abutting portion, the bearing portion is located above the abutting portion, and the optical filter and the sensing chip are both disposed on the abutting portion.
7. The lens barrel as claimed in claim 1, wherein the optical filter and the sensing chip are disposed in the housing by an injection molding process, and the sensing chip and the housing are in an interference fit.
8. The lens barrel as claimed in claim 1, wherein the sensing chip includes a plurality of conductive pins located at a side facing away from the optical filter.
9. A camera module comprising a circuit substrate, wherein the camera module further comprises the lens according to any one of claims 1 to 8, the lens is disposed on the circuit substrate, and the sensing chip is electrically connected to the circuit substrate.
10. A method of manufacturing a camera module, comprising the camera module according to claim 9, the method comprising the steps of:
providing a lens, wherein the lens comprises a shell, an optical filter and an induction chip, the optical filter and the induction chip are arranged in the shell through an injection molding process, the optical filter is positioned above the induction chip, and the induction chip comprises a plurality of conductive pins;
and providing a circuit substrate, and arranging the lens on the circuit substrate, wherein the circuit substrate is electrically connected with the conductive pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042887.6A CN111131684A (en) | 2020-01-15 | 2020-01-15 | Lens, camera module and manufacturing method of camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042887.6A CN111131684A (en) | 2020-01-15 | 2020-01-15 | Lens, camera module and manufacturing method of camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111131684A true CN111131684A (en) | 2020-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010042887.6A Pending CN111131684A (en) | 2020-01-15 | 2020-01-15 | Lens, camera module and manufacturing method of camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111131684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102402900B1 (en) | 2020-12-18 | 2022-05-30 | (주)캠시스 | Camera module manufacturing method and camera module manufacturing kit |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007329891A (en) * | 2006-06-07 | 2007-12-20 | Lite-On Technology Corp | Image detection apparatus and related lens module |
| CN104767916A (en) * | 2015-03-10 | 2015-07-08 | 南昌欧菲光电技术有限公司 | Camera module |
| CN206878952U (en) * | 2017-05-27 | 2018-01-12 | 维沃移动通信有限公司 | A kind of camera module and mobile terminal |
| CN108156354A (en) * | 2017-12-19 | 2018-06-12 | 广东欧珀移动通信有限公司 | Chip assembly, camera and the electronic equipment of camera |
| CN208227145U (en) * | 2018-05-03 | 2018-12-11 | 昆山丘钛微电子科技有限公司 | Camera module and mobile terminal |
| WO2019076352A1 (en) * | 2017-10-20 | 2019-04-25 | 宁波舜宇光电信息有限公司 | Photosensitive assembly based on metal support, and camera module |
| CN110493502A (en) * | 2019-08-26 | 2019-11-22 | 昆山丘钛微电子科技有限公司 | Camera module, mobile terminal and camera module manufacturing method |
| CN110636185A (en) * | 2018-06-21 | 2019-12-31 | 宁波舜宇光电信息有限公司 | Photosensitive assembly, camera module and intelligent terminal equipment |
| CN212163451U (en) * | 2020-01-15 | 2020-12-15 | 昆山丘钛微电子科技有限公司 | Lens, camera module and terminal |
-
2020
- 2020-01-15 CN CN202010042887.6A patent/CN111131684A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007329891A (en) * | 2006-06-07 | 2007-12-20 | Lite-On Technology Corp | Image detection apparatus and related lens module |
| CN104767916A (en) * | 2015-03-10 | 2015-07-08 | 南昌欧菲光电技术有限公司 | Camera module |
| CN206878952U (en) * | 2017-05-27 | 2018-01-12 | 维沃移动通信有限公司 | A kind of camera module and mobile terminal |
| WO2019076352A1 (en) * | 2017-10-20 | 2019-04-25 | 宁波舜宇光电信息有限公司 | Photosensitive assembly based on metal support, and camera module |
| CN108156354A (en) * | 2017-12-19 | 2018-06-12 | 广东欧珀移动通信有限公司 | Chip assembly, camera and the electronic equipment of camera |
| CN208227145U (en) * | 2018-05-03 | 2018-12-11 | 昆山丘钛微电子科技有限公司 | Camera module and mobile terminal |
| CN110636185A (en) * | 2018-06-21 | 2019-12-31 | 宁波舜宇光电信息有限公司 | Photosensitive assembly, camera module and intelligent terminal equipment |
| CN110493502A (en) * | 2019-08-26 | 2019-11-22 | 昆山丘钛微电子科技有限公司 | Camera module, mobile terminal and camera module manufacturing method |
| CN212163451U (en) * | 2020-01-15 | 2020-12-15 | 昆山丘钛微电子科技有限公司 | Lens, camera module and terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102402900B1 (en) | 2020-12-18 | 2022-05-30 | (주)캠시스 | Camera module manufacturing method and camera module manufacturing kit |
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