WO2014172806A1 - 一种安装于镜头和图像传感器之间的滤光片装置 - Google Patents

一种安装于镜头和图像传感器之间的滤光片装置 Download PDF

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Publication number
WO2014172806A1
WO2014172806A1 PCT/CN2013/000563 CN2013000563W WO2014172806A1 WO 2014172806 A1 WO2014172806 A1 WO 2014172806A1 CN 2013000563 W CN2013000563 W CN 2013000563W WO 2014172806 A1 WO2014172806 A1 WO 2014172806A1
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WO
WIPO (PCT)
Prior art keywords
lens
image sensor
filter
filter device
optical filter
Prior art date
Application number
PCT/CN2013/000563
Other languages
English (en)
French (fr)
Inventor
杨振华
Original Assignee
深圳市威展力众科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳市威展力众科技有限公司 filed Critical 深圳市威展力众科技有限公司
Publication of WO2014172806A1 publication Critical patent/WO2014172806A1/zh

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00Filters or other obturators specially adapted for photographic purposes

Definitions

  • the present invention relates to a lens device, and more particularly to a filter device mounted between a lens and an image sensor.
  • a common infrared camera or infrared camera that shoots color images or photos with natural light during the day or when there is plenty of light; in the evening, it uses black light to fill black and white images or photos, which requires an infrared camera or an infrared camera. It can be installed with a filter that can automatically switch according to the light. In the daytime or in a well-lit environment, the device can automatically switch the filter to work to shoot better quality color film or photo at night or in the light. Insufficient, when you need to rely on infrared light to fill the light, the device can automatically switch the filter off, so that the infrared camera or infrared camera can capture black and white infrared images or photos.
  • the filter is flat, and the common automatic switching device is placed in front of the lens. Therefore, when designing the product, it is necessary to consider the space temporarily used for this device, which will limit the product design, especially when using a wide-angle lens. The inconvenience caused by the point is more prominent. Summary of the invention
  • the present invention is directed to a deficiencies in prior art filters that provide a filter device that is mounted between the lens and the image sensor.
  • the technical solution adopted by the present invention is: a filter device installed between a lens and an image sensor, comprising a lens, a filter and an image sensor assembly, wherein: the lens is mounted on On the image sensor assembly, the filter is placed between the lens and the sensor.
  • the filter comprises an automatic switching device.
  • the lens includes at least one imaging lens.
  • the lens may be a wide-angle lens.
  • the image sensor assembly includes a printed circuit board and a sensor chip mounted on the printed circuit board.
  • FIG. 1 is a schematic structural view of a filter device mounted between a lens and an image sensor according to the present invention
  • 1 is a lens
  • 2 is a filter
  • 3 is an image sensor assembly.
  • a filter device mounted between a lens and an image sensor includes a lens 1, a filter 2, and an image sensor assembly 3, wherein: the lens 1 is mounted on the image sensor On the assembly 3, the filter 2 is placed between the lens and the sensor.
  • the lens includes at least one imaging lens.
  • the lens can be a wide-angle lens.
  • the image sensor assembly includes a printed circuit board and a sensor chip mounted on the printed circuit board.
  • the filter device is installed between the lens and the image sensor, and the filter is installed between the lens and the image sensor, which solves the problem that the common filter is placed in front of the lens to limit the product space design. .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Blocking Light For Cameras (AREA)

Abstract

一种安装于镜头和图像传感器之间的滤光片装置,包括镜头(1)、滤光片(2)和图像传感器组件(3)。镜头(1)安装在图像传感器组件(3)上,滤光片(2)置于镜头(1)与传感器之间。解决了滤光片置于镜头前方限制产品空间设计的问题。

Description

一种安装于镜头和图像传感器之间的滤光片装置
技术领域
本发明涉及一种镜头装置,尤其是一种安装于镜头和图像传感器 之间的滤光片装置。
背景技术
目前, 视频技术已成熟应用到各方面, 如安防监控, 他们离不开 摄像头。摄像头的好坏直接影响成像的品质, 特殊的摄像头镜头还要 加装滤光片来过滤特定的光线。 如过滤红外线, 彩色 CCD或 CMOS也 可感应红外线, 但红外线会导致 D. S. P无法计算出正确的物体颜色, 因此须加装一片滤光片, 把光线中红外线部份过滤掉。
常见的红外摄像机或红外相机, 在白天或光线充足的情况下, 是 通过自然光线拍摄彩色影像或相片; 在晚上,是通过红外灯补光拍摄 黑白影像或相片,这就要求红外摄像机或红外相机加装可以跟据光线 自动切换的滤光装置, 在白天或光线充足的环境下, 该装置可以自动 切换滤光片开启工作, 以拍摄出更好质量的彩色的影视或相片,在晚 上或光线不足, 需要靠红外灯补光拍摄时, 该装置可以自动切换滤光 片关闭, 让红外摄 或红外相机能拍摄到黑白的红外影像或相片。
然而, 滤光片是平面的, 常见的自动切换装置是置于镜头前方, 这样, 在产品设计时, 需要考虑到有这个装置所暂用的空间, 会局限 产品设计, 尤其是使用广角镜头, 这点带来的不便更加突出。 发明内容
本发明即是针对现有技术中滤光片存在的不足之处,提供一种安 装于镜头和图像传感器之间的滤光片装置。
为解决上述问题, 本发明所采取的技术方案是: 一种安装于镜头 和图像传感器之间的滤光片装置, 包括镜头、滤光片和图像传感器组 件, 其特征在于: 所述镜头安装在所述图像传感器组件上, 所述滤光 片置于镜头与传感器之间。
更进一步的, 所述滤光镜包含自动切换装置。
更进一步的, 所述的镜头包括至少一个成像透镜。
更进一步的, 所述的镜头可为广角镜头。
更进一步的, 所述的图像传感器组件包括印刷电路板和安装在所 述印刷电路板上的传感器芯片。 采用上述技术方案所产生的有益效果在于: 将滤光片安装于镜头 和图像传感器之间,解决了常见的滤光片是置于镜头前方限制了产品 空间设计的问题。
附图说明
图 1 是本发明所述的一种安装于镜头和图像传感器之间的滤光 片装置的结构示意图;
其中, 1为镜头, 2为滤光片, 3为图像传感器组件。
具体实施方式
以下结合附图,对本发明所述的一种安装于镜头和图像传感器之 间的滤光片装置进行描述, 目的是为了公众更好的理解本发明所述的 技术内容, 而不是对所述技术内容的限制, 事实上, 在本发明的创新 精神实质内,对所述装置结构的改进, 包括对相应元器件的增减和替 换都在本发明所要求保护的技术方案之内。
如图 1所示, 一种安装于镜头和图像传感器之间的滤光片装置, 包括镜头 1、 滤光片 2和图像传感器组件 3, 其特征在于: 所述镜头 1安装在所述图像传感器组件 3上, 所述滤光片 2置于镜头与传感器 之间。
所述的镜头包括至少一个成像透镜。
所述的镜头可为广角镜头。
所述的图像传感器组件包括印刷电路板和安装在所述印刷电路板 上的传感器芯片。 所述的一种安装于镜头和图像传感器之间的滤光片装置, 滤光片 安装于镜头和图像传感器之间,解决了常见的滤光片是置于镜头前方 限制了产品空间设计的问题。

Claims

权 利 要 求 书
1. 一种安装于镜头和图像传感器之间的滤光片装置, 包括镜头、滤光片和 图像传感器组件,其特征在于:所述镜头安装在所述图像传感器组件上, 所述滤光片置于镜头与传感器之间。
2. 根据权利要求 1 所述的一种安装于镜头和图像传感器之间的滤光片装 置, 其特征在于: 所述滤光镜包含自动切换装置。
3. 根据权利要求 1 所述的一种安装于镜头和图像传感器之间的滤光片装 置, 其特征在于: 所述的镜头包括至少一个成像透镜。
4. 根据权利要求 1 所述的一种安装于镜头和图像传感器之间的滤光片装 置, 其特征在于: 所述的镜头可为广角镜头。
5. 根据权利要求 1所述的一种后置滤光片摄像头,其特征在于: 所述的图 像传感器组件包括印刷电路板和安装在所述印刷电路板上的传感器芯 片。
PCT/CN2013/000563 2013-04-24 2013-05-13 一种安装于镜头和图像传感器之间的滤光片装置 WO2014172806A1 (zh)

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CN105100573B (zh) * 2015-08-21 2018-09-04 广东欧珀移动通信有限公司 摄像模组及电子装置
CN105163011A (zh) * 2015-08-21 2015-12-16 广东欧珀移动通信有限公司 摄像模组及电子装置
CN105869183B (zh) * 2016-03-25 2018-09-25 北京智芯原动科技有限公司 基于单波段的火焰检测方法及装置
CN111931659B (zh) * 2018-08-21 2021-05-14 深圳市汇顶科技股份有限公司 镜头系统、指纹识别装置和终端设备

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