A Compensation Method for Realizing Imaging Quality of Optical System by Adjusting Lens
A technology of imaging quality and optical system, which is applied to the parts, optics, and optical components of the TV system. It can solve the problems of field curvature of the optical system and affect the imaging quality of the camera module, so as to reduce the quality requirements of incoming materials and improve the quality of parts. And the effect of process yield and cost reduction
Active Publication Date: 2018-11-23
NINGBO SUNNY OPOTECH CO LTD
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In addition, due to the tolerance of the lens manufacturing, there will be field curvature in the imaging of the optical system after assembly (that is, the phenomenon that the central focus and the peripheral focus are not on the same plane), which will also affect the imaging quality of the camera module.
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[0049] The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations. The basic principles of the present invention defined in the following description can be applied to other embodiments, variations, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present invention.
[0050] refer to figure 1 It can be seen that a camera module includes a plurality of lenses 10, an optical structure 20, a filter 30, a photosensitive chip 40, a circuit board 50 and other related components, each of the lenses 10 is along the optical The height direction of the structural member 20 is assembled inside the optical structural member 20 and is located on the photosensitive path of the photosensitive chip 40. The optical filter 30 is also i...
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The invention discloses a method for compensating the imaging quality of an optical system by adjusting lenses, which is suitable for camera modules with adjustable lenses or lens groups. Adjusted parameters; (B) establish a relationship function between the parameters that need to be adjusted to compensate for the imaging quality and the adjusted lens factor; The adjustment method and adjustment amount of the lens can be accurately adjusted by optical methods during the assembly and production process of the camera module. The adjustment accuracy is high and the efficiency is fast, which can meet the production needs of high quality, low cost and high efficiency, and has improved the optical system. image quality.
Description
technical field [0001] The invention relates to the field of optical system imaging, in particular to a method for compensating the imaging quality of the optical system by adjusting mirrors or lenses. Background technique [0002] With the development of contemporary camera modules, module production is the assembly of main components such as chips and lenses. The quality of the lens itself and its cooperation with the module are the main factors that determine the imaging quality of the optical system. Under the current production mode , by controlling the quality of the lens, the tolerance of each main component, and the assembly tolerance of the module to achieve a certain imaging quality, and the lens and module are usually produced by controlling the tolerance of each part, that is, the assembly accuracy, and then inspect the production film To ensure the imaging quality, this method has very high requirements on parts and assembly, and the imaging quality of the produ...
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IPC IPC(8): G02B27/64
CPCG02B27/646G03B3/02G03B5/00G02B7/003G03B43/00G02B7/023G02B13/001G02B27/0068H04N23/55H04N25/615
Inventor 王明珠刘春梅蒋恒郭楠陈飞帆赵波杰
Owner NINGBO SUNNY OPOTECH CO LTD