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Image capturing apparatus

A technology of light-emitting diodes and display panels, which can be used in printing image collection, fingerprint/palmprint acquisition/organization, instruments, etc. It can solve the problems of light beams that are easily scattered and transmitted, it is difficult to effectively improve crosstalk, and poor image quality. Crosstalk issues, effects of good discrimination

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AI Technical Summary

Problems solved by technology

During the image capturing process of the sensor, the light beam reflected by the fingerprint is easily scattered to the sensor, resulting in poor image quality and affecting the recognition result
Although there have been technologies to improve image quality, it is still difficult to effectively improve the crosstalk problem at this stage.

Method used

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Embodiment Construction

[0059] The foregoing and other technical contents, features and effects of the present invention can be clearly presented in the following detailed description of various embodiments in conjunction with the accompanying drawings. The directional terms mentioned in the following embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the directions of the drawings. Accordingly, the directional terms used are illustrative, not limiting, of the invention. Also, in any of the following embodiments, the same or similar elements will be given the same or similar symbols.

[0060] In various embodiments of the present invention, the imaging device is suitable for capturing the biological characteristics of the object to be tested. For example, the object to be tested can be a finger. Correspondingly, the biological feature may be a fingerprint or a vein, but not limited thereto. In one embodiment, the object to be tested may be a palm, ...

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Abstract

An image capturing apparatus includes a sensor, an organic light emitting diode display panel, and a collimator. The organic light emitting diode display panel is disposed on the image pickup side ofthe sensor. The collimator is disposed between the organic light emitting diode display panel and the sensor. The collimator includes a plurality of collimator elements overlapping each other. Each ofthe plurality of collimating elements includes a light-transmitting substrate and a light-absorbing layer disposed on the light-transmitting substrate. The light absorbing layer includes a pluralityof light transmissive openings, and the plurality of light transmissive openings exposes a plurality of sensing regions of the sensor.

Description

technical field [0001] The invention relates to a photoelectric device, and in particular to an image pickup device. Background technique [0002] The types of biometrics include face, voice, iris, retina, vein, palmprint and fingerprint recognition. According to different sensing methods, biometric identification devices can be classified into optical, capacitive, ultrasonic and thermal induction. Generally, an optical biometric identification device includes a light source, a light guide element, and a sensor. The light beam emitted by the light source irradiates the object to be identified pressed on the light guide element. The sensor receives the light beam reflected by the object to be identified to perform biometric identification. During the image capturing process of the sensor, the light beams reflected by the fingerprint are easily scattered to the sensor, resulting in poor image quality and affecting the recognition result. Although there are technologies to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/20H01L27/32
CPCG06V40/1318G06V10/143G06V10/147H10K59/00
Inventor 钟炜竣巫仁杰
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