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Optical image acquisition device, electronic device and method thereof

An optical image and acquisition device technology, applied in the electronic field, can solve the problems of photoelectric induction signal distortion, high light intensity of optical signal, and reduce the accuracy of image data, so as to achieve the effect of improving accuracy

Active Publication Date: 2020-11-17
SHENZHEN GOODIX TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some cases, for example, in the case of strong ambient light, the light intensity of the optical signal received by the optical image acquisition device is relatively high, resulting in distortion of the photoelectric induction signal acquired by the optical image acquisition device, which reduces the The accuracy of sensing signal to obtain image data cannot achieve accurate biometric identification

Method used

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  • Optical image acquisition device, electronic device and method thereof
  • Optical image acquisition device, electronic device and method thereof
  • Optical image acquisition device, electronic device and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] figure 1 A schematic structural diagram of an optical image acquisition device provided for an embodiment of the present application, such as figure 1 As shown, the optical image acquisition device 100 includes a light guide structure 101 and a photoelectric sensing unit array 102, the light guide structure 101 is located above the photoelectric sensing unit array 102, the light guide structure 101 includes a light blocking layer 111, and the light blocking layer 111 includes at least two The first light guide hole 121 and at least one second light guide hole 131 , the inner diameter of the first light guide hole 121 is larger than the inner diameter of the second light guide hole 131 . The photoelectric sensing unit array 102 is used to receive the optical signals passing through the first light guide hole 121 and the second light guide hole 131 to respectively obtain the first photoelectric sensing signal and the second photoelectric sensing signal, the first photoele...

Embodiment 2

[0071] Image 6 A schematic structural diagram of an electronic device provided for an embodiment of the present application, such as Image 6 As shown, the electronic device 200 includes a processor 201 and an optical image acquisition device 202, and the optical image acquisition device 202 may be any optical image acquisition device provided in Embodiment 1 of the present application.

[0072] The processor 201 receives the image collected by the optical image acquisition device 202 and performs biometric matching on it, and the processor 201 configures the photoelectric sensing unit array of the optical image acquisition device 202 with strong light.

[0073] Specifically, the processor 201 may be a central processing unit CPU, or a specific integrated circuit ASIC, or one or more integrated circuits configured to implement the embodiments of the present invention.

[0074] It should be noted that the electronic devices in the embodiments of this application exist in vari...

Embodiment 3

[0097] Figure 7 A schematic flowchart of an optical image acquisition method provided in the embodiment of the present application, the optical image acquisition method is applied to any optical image acquisition device provided in the first embodiment, such as Figure 7 As shown, the optical image acquisition method includes the following steps:

[0098] S301. Receive the optical signals passing through the first light guide hole and the second light guide hole through the photoelectric sensing unit array of the optical image acquisition device to obtain the first photoelectric induction signal and the second photoelectric induction signal respectively, and the inner diameter of the first light guide hole greater than the inner diameter of the second light guide hole.

[0099] Specifically, the photoelectric sensing unit array of the optical image acquisition device receives the optical signals passing through the first light guide hole and the second light guide hole when ...

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Abstract

Embodiments of the present application provide an optical image acquisition device, an electronic device and a method thereof. The optical image acquisition device includes: a light guide structure and a photoelectric sensing unit array, the light guide structure is located above the photoelectric sensing unit array; the light guide structure includes a light blocking layer, and the light blocking layer includes at least two first light guide holes and at least one first light guide hole Two light guide holes, the inner diameter of the first light guide hole is larger than the inner diameter of the second light guide hole; the photoelectric sensing unit array is used to receive the optical signals passing through the first light guide hole and the second light guide hole to respectively obtain the first photoelectric induction The signal and the second photoelectric induction signal, the first photoelectric induction signal and the second photoelectric induction signal are used to obtain the strong light configuration of the photoelectric induction unit array. Wherein, the photoelectric sensing signal acquired by the photoelectric sensing unit array under the strong light configuration will not be distorted, which improves the accuracy of image data acquisition, and can realize accurate biometric identification based on the image data.

Description

technical field [0001] The embodiments of the present application relate to the field of electronic technology, and in particular, to an optical image acquisition device, an electronic device and a method thereof. Background technique [0002] With the advancement of technology and the gradual improvement of user needs, the functions of electronic devices are gradually increasing. Among them, the biometric feature recognition function is particularly valued by people. The function of identification. [0003] In order to obtain the biological characteristics of the user, an optical image acquisition device can be installed in the electronic device, and the optical image acquisition device receives the optical signal reflected by the user's specific parts such as fingers and palms, and obtains the photoelectric induction signal according to the received optical signal, so as to pass The photoelectric induction signal obtains the image data of the specific part of the user for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V40/1318
Inventor 李华飞
Owner SHENZHEN GOODIX TECH CO LTD