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Imaging system

An imaging system and imaging technology, applied in the field of optical systems, can solve the problems of increasing the thickness of the overall mechanism, which is not conducive to the thinning of portable electronic devices, and achieve the effect of reducing the configuration area and the thickness.

Pending Publication Date: 2020-05-29
EGIS TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the use of lenses will lead to an increase in the thickness of the overall mechanism, which is not conducive to the thinning of portable electronic devices

Method used

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Embodiment Construction

[0024] Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and descriptions to refer to the same or like parts.

[0025] figure 1 It is a schematic cross-sectional view of an imaging system 100 according to an embodiment of the present invention. The imaging system 100 of this embodiment may be an independent imaging system, or an imaging system integrated into an electronic device such as a mobile phone, a tablet computer, a notebook computer, a digital photography device or other suitable electronic devices. Please refer to figure 1 , the imaging system 100 of this embodiment includes a transparent cover 110 , an image sensor 120 and a diffractive optical element 130 . The image sensor 120 is disposed under the transparent cover 110 . The diffractive optical element 130 is disposed between the trans...

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Abstract

The invention provides an imaging system. The imaging system comprises a light-transmitting cover plate, an image sensor and a diffractive optical element, the image sensor is arranged below the light-transmitting cover plate. The diffractive optical element is disposed between the light-transmitting cover plate and the image sensor. The light from the object to be measured is diffracted by the diffractive optical element to be imaged on the image sensor after penetrating through the light-transmitting cover plate.

Description

technical field [0001] The present invention relates to an optical system, and in particular to an imaging system. Background technique [0002] With the popularization and diversification of functions of electronic devices, imaging systems are integrated into electronic devices to capture required images for the electronic devices to provide various functions. One such application is to use an imaging system to capture images of fingerprints on the surface of a finger. [0003] The current imaging system includes a lens so that the object to be sensed can be imaged on the image sensor through the lens, so that an image sensor with a smaller size than the object to be sensed can be used to obtain an image. However, the use of lenses will increase the thickness of the overall mechanism, which is not conducive to the thinning of portable electronic devices. Contents of the invention [0004] The invention is aimed at an imaging system, which can reduce the configuration ar...

Claims

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Application Information

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IPC IPC(8): G02B27/42G06K9/00
CPCG02B27/4205G06V40/13
Inventor 王仲益林郁轩郑铭媛黄景煜
Owner EGIS TECH