Method and device for obtaining smoothness of image sensor

An image sensor and a technology for acquiring images, applied in image communication, television, electrical components, etc., can solve the problems of unilateral blurring of photos, affecting the imaging quality of mobile terminal photos, and poor flatness of image sensors, so as to ensure the effect of taking photos.

Inactive Publication Date: 2016-03-23
NUBIA TECHNOLOGY CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

In addition, the mobile terminal module has been assembled on the mobile terminal, which increases the difficulty of testing with special instruments, and this part of the lens modul...

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  • Method and device for obtaining smoothness of image sensor
  • Method and device for obtaining smoothness of image sensor
  • Method and device for obtaining smoothness of image sensor

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Embodiment Construction

[0032] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings, which cannot be used to limit the protection scope of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and various manners in the embodiments can be combined with each other.

[0033] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, use of suffixes such as 'module', 'part' or 'unit' for denoting elements is only for facilitating description of the present invention and has no specific meaning by itself. Therefore, "module" and "component" may be used m...

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Abstract

The invention discloses a method and a device for obtaining smoothness of an image sensor. The method comprises the following steps: when focusing a focus figure in a central focus frame of a screen, calculating focus values of focus frames on two horizontal and/or vertical sides of the central focus frame; wherein the focus figure is vertical to a primary optical axis of a lens module, and the distance between the focus figure and the lens module is smaller than the hyperfocal distance of the lens module; and calculating the smoothness of the image sensor according to the obtained focus values of the focus frames on the two horizontal and/or vertical sides of the central focus frame. By adopting the method and the device in the scheme of the invention, the smoothness of the image sensor is simply obtained by the focus figure, so that the photographing effect of a mobile terminal is guaranteed, and no special instrument is necessary for detection.

Description

technical field [0001] The invention relates to terminal technology, in particular to a method and device for obtaining the flatness of an image sensor. Background technique [0002] In the process of producing mobile terminals, it is often necessary to purchase lens modules from mobile terminal lens module suppliers. However, the flatness of the image sensor (such as Complementary Metal Oxide Semiconductor (CMOS, Complementary Metal Oxide Semiconductor)) in the mobile terminal lens module provided by the lens module manufacturer has a certain defective rate. Since the lens module manufacturer tests the flatness of the image sensor in the lens module with a special instrument in the module factory, in the mobile terminal manufacturer, there is no special instrument to test this index, and there is no problem by default. of. In addition, the mobile terminal module has been assembled on the mobile terminal, which increases the difficulty of testing with special instruments, ...

Claims

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Application Information

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IPC IPC(8): H04N17/00
CPCH04N17/00H04N17/002
Inventor 谢书勋
Owner NUBIA TECHNOLOGY CO LTD
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