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公开(公告)号：US20200380236A1
公开(公告)日：2020-12-03
申请号：US16427269
申请日：2019-05-30
Applicant: Shenzhen Goodix Technology Co., Ltd.
Abstract: An optical fingerprint sensing module is configured to be disposed under a display screen that includes an array of LEDs. The optical fingerprint sensing module includes a light coupler disposed under the display screen, an array of light collimators coupled to the light coupler, a photodetector array, electronic circuitry coupled to the photodetector array, and a processor. The processor is configured to cause the electronic circuitry to capture a first frame while a first plurality of LEDs in the display screen are turned on and a second plurality of LEDs are turned off, and capture a second frame while the first plurality of LEDs are turned off and the second plurality of LEDs are turned on. The processor is further configured to construct a first fingerprint image and a second fingerprint image by combining the first frame and the second frame.
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公开(公告)号：US10594856B1
公开(公告)日：2020-03-17
申请号：US16454208
申请日：2019-06-27
Applicant: Shenzhen Goodix Technology Co., Ltd.
Abstract: Techniques are described for implementing an immediate-mode camera for integration into portable personal electronic device (PPED) environments. Embodiments of the IMC can include an integrated digital camera that can be triggered directly by one or more user interface components, without involving waking up the application processor, waking up display components, waking up digital camera components, and/or starting up camera-related applications. For example, if a user's smart phone is locked, and the user desired to capture a photo, the user can interact with particular UI components in a particular manner, thereby directly triggering capture of image data by the IMC substantially without delay. Implementations of the IMC can involve a low-power, always-on digital camera that is directly controllable by one or more always-on user interface components. The IMC components can be in communication with an always-on region of the application processor via a fast hardware interface.
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公开(公告)号：US20200034602A1
公开(公告)日：2020-01-30
申请号：US16246549
申请日：2019-01-14
Applicant: Shenzhen Goodix Technology Co., Ltd.
IPC: G06K9/00
Abstract: An optical fingerprint sensor module includes a light source configured to provide illumination light directed toward a finger to generate signal light scattered or reflected off of the finger, a photodiode array having a surface, an optically transparent spacer disposed over the surface of the photodiode array, a first mirror configured to reflect the signal light, a lens configured to receive and refract the signal light reflected by the first mirror, a member defining a pinhole disposed behind the lens and configured to transmit the signal light refracted by the lens, a second mirror disposed behind the pinhole and above the optically transparent spacer and configured to reflect the signal light transmitted through the pinhole toward the surface of the photodiode array, and electronic circuitries configured to process electrical signals generated by the photodiode array to produce an image of a fingerprint pattern of the finger.
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公开(公告)号：US20200019749A1
公开(公告)日：2020-01-16
申请号：US16558309
申请日：2019-09-02
Applicant: Shenzhen Goodix Technology Co., Ltd.
Abstract: Optical sensing is provided with a large sensing area in a thin package. For example, embodiments can operate in context of an under-display optical fingerprint sensor integrated into an electronic device, such as a smartphone. Responsive to reflected probe light passing through a display module, a reflective structure is configured to redirect the reflected probe light onto a refractive structure, and the refractive structure is configured to converge the reflected probe light into an input aperture of an optical sensor for detection. Some embodiments operate in context of an enhancement panel having micro-prism structures that tend to blur the reflected probe light. In such context, embodiments are configured for off-axis detection to prefer light passing through only certain micro-prism faces, thereby mitigating blurring.
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公开(公告)号：US10438046B2
公开(公告)日：2019-10-08
申请号：US15341993
申请日：2016-11-02
Applicant: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Abstract: The disclosed technology provides optical anti-proofing techniques in fingerprints sensing in devices or systems that use fingerprint identification for controlling access. The disclosed technology uses a fingerprint sensor to detect a contact input associated with a source of a fingerprint; generates an image signal from the fingerprint sensor responsive to the detected contact input that is indicative of one or more images of the fingerprint; uses an optical biometric sensor that is separate from the fingerprint sensor to generate a biometric marker detection signal indicative of a biometric marker different from the fingerprint; and processes, by processing circuitry, the generated image signal and the biometric marker detection signal to determine whether the detected contact and the associated one or more fingerprint images are from a finger of a live person who makes the contact input.
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Patent Agency Ranking
公开(公告)号：US10410037B2
公开(公告)日：2019-09-10
申请号：US15616856
申请日：2017-06-07
Applicant: Shenzhen Goodix Technology Co., Ltd.
Abstract: Devices and optical sensor modules are provided for provide on-screen optical sensing of fingerprints by using a under-screen optical sensor module that captures and detects returned light that is emitted by the display screen for displaying images and that is reflected back by the top surface of the screen assembly. Optical collimators are provided in the under-screen optical sensor module to enhance the optical imaging performance.
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公开(公告)号：US10410033B2
公开(公告)日：2019-09-10
申请号：US15708088
申请日：2017-09-18
Applicant: Shenzhen Goodix Technology Co., Ltd.
IPC: G06K9/00 , A61B5/1172 , G06F3/041 , G06F3/042 , G06F3/044 , G06F21/32 , G06F21/83 , A61B5/145 , A61B5/00 , H04L29/06
Abstract: Devices and optical sensor modules are provided for provide on-screen optical sensing of fingerprints by using a under-screen optical sensor module that captures and detects returned light that is emitted by a LCD display screen for displaying images and that is reflected back by the top surface of the screen assembly.
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公开(公告)号：US10216975B1
公开(公告)日：2019-02-26
申请号：US16038160
申请日：2018-07-17
Applicant: Shenzhen Goodix Technology Co., Ltd.
Abstract: Devices and optical sensor modules are provided for on-screen optical sensing of fingerprints by using an under-screen optical sensor module that includes a pinhole-lens assembly to enhance the optical imaging performance such optical sensor modules placed under organic light emitting diode (OLED) display modules and other display modules. Techniques for reducing the environmental light in the optical sensing are provided.
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公开(公告)号：US20180314871A1
公开(公告)日：2018-11-01
申请号：US15968420
申请日：2018-05-01
Applicant: Shenzhen Goodix Technology Co., Ltd.
IPC: G06K9/00 , G01S15/89 , G01S7/52 , B06B1/02 , B06B1/06 , H01L41/113 , H01L41/332 , H01L41/338
Abstract: Disclosed are systems, devices and methods for providing fingerprint sensors based on ultrasound imaging techniques in electronic devices and fabrication techniques for producing ultrasound-based fingerprint sensors. In some aspects, an ultrasound fingerprint sensor device includes an intermediate layer coupled to a base chip including an integrated circuit having conducive contacts at a surface of the base chip, the intermediate layer including an insulation layer formed on the base chip and a corresponding array of channeling electrode structures coupled to the conductive contacts and passing through the insulation layer, in which the channeling electrodes terminate at or above a top surface of the insulation layer to provide bottom electrodes; a plurality of ultrasonic transducer elements including an acoustic transducer material coupled to the bottom electrodes; and a plurality of top electrodes positioned on the ultrasonic transducer elements.
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公开(公告)号：US20180300530A1
公开(公告)日：2018-10-18
申请号：US15806294
申请日：2017-11-07
Applicant: Shenzhen Goodix Technology Co., Ltd.
CPC classification number: G06K9/00087 , G06F21/32 , G06F21/83 , G06K9/0004 , G06K9/00053 , H04L63/0861
Abstract: Devices, systems, and techniques are provided for performing human fingerprint detection and authentication for authenticating a request to access a locked mobile device equipped with a fingerprint detection module. In one aspect, responsive to detecting a contact from an object with the fingerprint detection module, described technique can be used to determines whether the contact from the object is from human skin. When determined that the detected contact from the object is from human skin, a presence of a human fingerprint can be detected from the object making contact. The detected fingerprint data can be obtained from the object and compared against stored fingerprint profiles associated with an authorized user of the locked mobile device. Based on the comparing, the request to access the locked mobile device can be granted.
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