CN106612355B - Production method and system for single correction production line of mobile phone camera module - Google Patents
Production method and system for single correction production line of mobile phone camera module Download PDFInfo
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- CN106612355B CN106612355B CN201510698444.1A CN201510698444A CN106612355B CN 106612355 B CN106612355 B CN 106612355B CN 201510698444 A CN201510698444 A CN 201510698444A CN 106612355 B CN106612355 B CN 106612355B
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Abstract
The invention discloses a production method and a production system for a mobile phone camera module monomer correction production line, wherein correction data of all items obtained by a plurality of correction devices are stored by adopting a cloud server, and the writing of the correction data of different procedures is completed at one time, so that the change frequency of correction device software is effectively reduced, the correction requirements of different products can be better met by the production line monomer correction device software, and the accuracy and the efficiency of the written data are improved.
Description
Technical Field
The invention relates to the field of mobile phone camera module correction, in particular to a production method of a mobile phone camera module monomer correction production line.
Background
The mobile phone camera module becomes an indispensable important component of people in the current society day by day, and the aim of correcting the mobile phone camera module to improve the quality of the camera module is to better meet the increasingly greater requirements of the market on high-pixel, high-speed and high-quality images and realize the pursuit of technological progress.
At present, customers have higher requirements on the quality of mobile phone cameras, the functions of mobile phone camera modules are also more complex, when the camera modules are produced, the camera modules need to be corrected in order to ensure the consistency of the modules, which relates to the correction of many items, such as white balance, brightness uniformity, dirty points, color uniformity, focusing definition, tilt and shift between a lens and a chip, and the correction items need to be completed by different devices under different environments, and different correction devices are matched with corresponding software, so that correction data need to be written into storage areas of the camera modules respectively, much writing preparation time is needed, and when different processes are written, inaccurate writing is caused by data tampering caused by the problem of device stability. In addition, because the camera module is customized by a customer at present, a plurality of products have the same correction items and functions, but due to the personalized design of the customer, the storage positions and devices of the correction data are different, and the correction equipment needs to be adjusted according to the difference of the storage data of the products, so that the software of different equipment needs to be frequently changed according to the products, and the equipment has poor universality. Therefore, the conventional method not only causes higher maintenance cost of the device, but also easily causes unstable operation of the device, so that the writing efficiency is lower.
Based on this, a new method is urgently needed to effectively solve the problems, so that the production line single correction equipment software can better adapt to the requirements of different products.
Disclosure of Invention
The invention aims to provide a production method and a production system for correcting a production line of a mobile phone camera module monomer, which enable the production line monomer correction equipment software to better adapt to the correction requirements of different products.
Another object of the present invention is to provide a production method and system for a single calibration production line of a mobile phone camera module, which can upload data of multiple calibration devices of multiple projects to a cloud server and write the data once, so as to change the conventional way of writing data of different calibration devices into a camera module in multiple times, thereby improving efficiency.
Another objective of the present invention is to provide a method and a system for manufacturing a calibration line of a mobile phone camera module, which temporarily store calibration data by using a cloud server, so as to ensure correctness of the data when the data is read, and improve accuracy of the calibration.
Another object of the present invention is to provide a method and a system for manufacturing a calibration production line of a mobile phone camera module unit, which can complete the writing of calibration data in different processes at a time, avoid the falsification caused by separate writing in different processes, save the time for writing preparation, and improve the writing efficiency and the accuracy of data writing.
Another objective of the present invention is to provide a method and a system for manufacturing a mobile phone camera module monomer correction line, wherein the device does not need to be adjusted according to the difference of the stored data of the product, so as to improve the universality of the device and reduce the maintenance cost of the device.
Another object of the present invention is to provide a method and a system for manufacturing a mobile phone camera module monomer correction production line, which can automatically read correction data from a cloud server, avoid the problem of data copy error correction in practical applications, and facilitate to ensure the quality of products.
Another objective of the present invention is to provide a method and a system for manufacturing a calibration production line of a mobile phone camera module, which effectively reduce the change frequency of the calibration device software, so as to greatly improve the accuracy and efficiency of writing data.
To achieve the above objects and other objects and advantages in accordance with the purpose of the invention, a method for manufacturing a calibration line of a single camera module is provided, which comprises the steps of:
(A) at least one correction device generates correction data and names the correction data;
(B) the correction data is uploaded to a cloud server;
(C) a writing device searches the corresponding correction data on the cloud server and downloads the correction data to the local; and
(D) and writing the correction data into a storage area of a camera module according to the data storage requirement of the camera module.
In one embodiment, in the step (a) and the step (B), the plurality of correction devices name and store storage files of the correction data of the generated plurality of items to the cloud server, respectively.
In one embodiment, in the step (a), the storage file of the correction data is named with FUSEID of a light sensing chip.
In one embodiment, the files of the correction data of different camera modules end with the same end mark to ensure the accuracy of the searched correction data,
in one embodiment, the storage file is stored in a bin format.
In one embodiment, in the step (C), the writing device searches for data according to the FUSEID of the photosensitive chip, and finds out correction data of all items of the product that need to be corrected.
In one embodiment, in the step (D), when writing the correction data, the correction data of all items that the image capturing module needs to correct is written into the storage area of the image capturing module at one time.
According to another aspect of the present invention, the present invention provides a production system for a camera module monomer correction production line, comprising:
the plurality of correction devices are respectively used for carrying out correction operation on the camera module on the production line; and
the correction data obtained by each correction device is uploaded to the cloud server; and
and the writing equipment accesses the cloud server and writes the correction data into the storage area of the camera module according to the data storage requirement of the camera module.
In one embodiment, the plurality of correction devices are selected from one or more of an auto-focus correction device, a color correction device, a brightness correction device, a white balance correction device, a dirty dot correction device, a focus sharpness correction device, an image plane tilt correction device, an optical center shift correction device, and a light source compensation correction device.
In one embodiment, in the system, the storage file in which the cloud server stores the correction data is named after FUSEID of the camera module so as to distinguish the correction data of different camera modules.
In one embodiment, in the system, the writing device reads the correction data obtained by the plurality of correction devices at the same time and writes the correction data into a storage area of the image pickup module at a time.
Drawings
Fig. 1 is an apparatus flowchart of a method for calibrating a production line of a mobile phone camera module unit according to a preferred embodiment of the present invention.
Fig. 2 is a flowchart of a method for manufacturing a calibration production line of a mobile phone camera module unit according to the above preferred embodiment of the present invention.
Fig. 3 is a flowchart of the writing device in the calibration production line method for the mobile phone camera module unit according to the above preferred embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
After the mobile phone camera module is produced, in order to ensure the quality of the mobile phone camera module, different correction devices are required to correct a plurality of items of the mobile phone camera module, for example, the common correction devices include a chip correction device, a lens correction device, a focusing correction device, a tilt and shift correction device, a light source compensation correction device, a color correction device and the like, each correction device is matched with corresponding software, when the camera module is corrected, the correction devices need to respectively write and store the generated correction data of different items into the mobile phone camera module, and the mobile phone camera module is corrected through contrastive analysis. Therefore, when the correction is performed by using the correction device, the software of the correction device needs to be frequently changed, and writing is needed for correcting one item, which results in low efficiency, and the problem needs to be solved urgently.
The invention mainly solves the problem how to better adapt to the correction requirements of different products by the production line monomer correction equipment software.
As shown in fig. 1 and 2, the present invention requires a cloud server, at least one calibration device, a writing device, and at least one mobile phone camera module, wherein the plurality of calibration devices are connected to the cloud server, the writing device is connected to the cloud server, and the plurality of camera modules are connected to the writing device. In the working process, a plurality of correction devices required by correction of the mobile phone camera module are connected to the cloud server, so that correction data of all correction items can be uploaded to the cloud server for storage.
The production method of the mobile phone camera module monomer correction production line comprises the following steps:
(201) a plurality of correction devices generate correction data and name storage files thereof;
(202) the correction data is uploaded to the cloud server;
(203) the writing equipment searches the corresponding correction data on the cloud server;
(204) downloading the searched correction data to the local; and
(205) and writing the correction data into a storage area of the camera module.
In the step (201), the present invention uses a cloud server to temporarily store correction data, that is, the cloud server collects correction data, a plurality of correction devices correct and store correction data of a plurality of items generated by the correction devices on the cloud server, that is, each correction device uploads the correction data generated by the correction device to the cloud server, for example, correction data of auto-focus, color, brightness, white balance, dirty point, focus definition, tilt and shift, light source compensation, etc., and correction data of all items are uploaded to a cloud storage together, stored at a specified position, and named.
More specifically, for example, the calibration data is stored in a suitable file format, such as a bin file, the files are named by the FUSEID of a photosensitive chip, such as a CCD or a CMOS sensor, and each file is ended by the same terminator, such as checksum, so that when other processes read the data, the correctness of the data can be confirmed, and particularly when the writing device searches for the corresponding calibration data according to the calibration requirement of the camera module, the data can be matched with the product according to the naming, the accuracy of the searched data is ensured, the calibration accuracy of the camera module is ensured, and the quality of the product is favorably ensured. Wherein FUSEID refers to device ID, which is the physical ID of the chip.
It is worth mentioning that after each correction data of each correction device is uploaded to the cloud server, the cloud server can automatically and accurately classify the correction data of each item, so that the correction data can be accurately matched with the correction items of each product, the correction data can be ensured to correspond to the product, and the correction of the product is facilitated.
In the step (202), when the calibration device generates calibration data and names the calibration data with the FUSEID of the CMOS sensor as the file name, the calibration data is transmitted to the cloud server connected to the calibration device and stored on the cloud server, so as to facilitate searching of the writing device connected to the cloud server.
In the step (203) and the step (204), when data is written, the writing device searches for corresponding correction data on the cloud server, starts corresponding software, and automatically reads the correction data from the cloud server, that is, the writing device can read out the correction data of all correction items from the cloud server according to the FUSEID of the photosensitive chip, and download all the searched correction data matched to the local, so as to facilitate subsequent writing. It is worth mentioning that in the invention, the correction data can be automatically read from the cloud server, thereby avoiding the problem of correcting data copy errors in practical application, being beneficial to saving time and resources and improving the searching and reading efficiency.
Further, to sum up, as shown in fig. 3, the work flow of the writing device is as follows:
(301) searching for correction data;
(302) starting software and reading correction data;
(303) if the reading is successful, continuing to execute the step (304), and if the reading is failed, returning to the step (301) for re-searching;
(304) acquiring corresponding correction data; and
(305) and downloading the acquired correction data to the local.
In the step (205), after downloading the found correction data matched with the found correction data to the local according to the FUSEID of the photosensitive chip, the writing device writes the found correction data into the storage area of the camera module according to the data storage requirement of the mobile phone camera module, so that the correction data can be used for corresponding correction subsequently, the quality of the product is ensured, and the quality of the product is improved.
It is worth mentioning that in the method provided by the present invention, all the required or designated correction data are written into the storage area of the camera module together, thereby avoiding the conventional way that the conventional correction device writes the correction data of each item into the product separately.
The method provided by the invention is the difference of data storage, and is mainly characterized in that the process of writing data is completed finally, so that a plurality of correction devices of which the front ends generate correction data only need to complete specified correction actions according to functional requirements and store the correction data on a cloud server, and the correction data does not need to be written into products respectively. The corresponding product can be corresponded according to the correction data during production, so that the product can be corrected or difference compensated.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.
Claims (12)
1. A production method of a mobile phone camera module monomer correction production line is characterized by comprising the following steps:
(A) a plurality of correction devices generate correction data and name the correction data;
(B) the correction data is uploaded to a cloud server;
(C) a writing device searches the corresponding correction data on the cloud server and downloads the correction data to the local; and
(D) and writing the correction data into a storage area of a camera module according to the data storage requirement of the camera module.
2. The method according to claim 1, wherein in the step (a) and the step (B), a plurality of the correction devices name and store storage files of the correction data of the generated plurality of items to the cloud server, respectively.
3. The method as claimed in claim 2, wherein in the step (a), the storage file of the correction data is named with FUSEID of a light sensing chip.
4. A method according to claim 3, wherein said storage files of said correction data of different said camera modules end with the same terminator to ensure the accuracy of said correction data found.
5. The method of claim 3, wherein the storage file is stored in a bin format.
6. The method as claimed in claim 3, wherein in the step (C), the writing device performs a data search according to the FUSEID of the photosensitive chip, and finds the correction data of all items of the product that need to be corrected.
7. The method as claimed in claim 4, wherein in the step (C), the writing device performs a data search according to the FUSEID of the photosensitive chip, and finds the correction data of all items of the product that need to be corrected.
8. The method according to any one of claims 1 to 7, wherein in the step (D), correction data of all items that the image pickup module needs to correct is written in a storage area of the image pickup module at one time when the correction data is written.
9. A module monomer of making a video recording rectifies produces line production system, its characterized in that includes:
the plurality of correction devices are respectively used for carrying out correction operation on the camera module on the production line; and
the correction data obtained by each correction device is uploaded to the cloud server; and
and the writing equipment accesses the cloud server and writes the correction data into the storage area of the camera module according to the data storage requirement of the camera module.
10. The camera module single-body correction production line production system according to claim 9, wherein the plurality of correction devices are selected from one or more of an automatic focus correction device, a color correction device, a brightness correction device, a white balance correction device, a dirty dot correction device, a focus sharpness correction device, an image plane tilt correction device, an optical center shift correction device, and a light source compensation correction device.
11. The camera module single correction in-line production system according to claim 9 or 10, wherein the storage file in which the correction data is stored by the cloud server is named after FUSEID of the camera module so as to distinguish the correction data of different camera modules.
12. The system of claim 11, wherein the writing device reads the calibration data obtained by the plurality of calibration devices at the same time and writes the calibration data into the storage area of the camera module at one time.
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| CN108093250B (en) * | 2017-12-22 | 2020-02-14 | 信利光电股份有限公司 | Calibration burning method and calibration burning system for multi-camera module |
| CN107959810A (en) * | 2017-12-28 | 2018-04-24 | 上海传英信息技术有限公司 | A kind of data burning method and data recording system for CCD camera assembly |
| CN108377390A (en) * | 2018-04-23 | 2018-08-07 | 信利光电股份有限公司 | A kind of compensation for calibrating errors method and system of camera |
| CN114697499A (en) * | 2022-03-09 | 2022-07-01 | Oppo广东移动通信有限公司 | Camera module, terminal, calling method and storage medium |
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| CN102999472B (en) * | 2012-12-03 | 2016-06-08 | 宁波舜宇光电信息有限公司 | Module personalizing parameters transmission method and system |
| CN103763546B (en) * | 2013-12-25 | 2016-07-13 | 宁波舜宇光电信息有限公司 | Light source difference correction method for monomer correction of mobile phone camera |
| US20150187299A1 (en) * | 2013-12-31 | 2015-07-02 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Method for Collecting Full Grayscale Data of LCD Based On CCD Camera |
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