Patents by Inventor Jiandong Huang

Jiandong Huang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11227134
    Abstract: The present invention provides a method and a device for synchronously collecting fingerprint information. By setting a fingerprint recognition area on a display unit of a terminal, and placing a sensing unit below the fingerprint recognition area to receive a sliding track of the user's finger on the display unit and, when the user's finger slides to the fingerprint recognition area, to synchronously collect fingerprint information corresponding to the user's finger, thereby synchronously collecting the user's sliding track information (such as an electronic signature) and the user's fingerprint information, and effectively reducing the user's operation steps and improving user's experience.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: January 18, 2022
    Inventor: Jiandong Huang
  • Publication number: 20210396892
    Abstract: The present disclosure provides an image sensor and electronic equipment. The image sensor includes: a pixel array, comprising a plurality of pixels, wherein a light-transmitting part is disposed between adjacent pixels; a protective layer, covering at least a part of a surface of the pixel; a conversion layer, configured to convert X-ray into visible light; wherein when X-ray is incident from a side of the image sensor, a portion of the X-ray is incident on the protective layer, another portion of X-ray transmits through the light-transmitting part between the pixels, reaches the conversion layer, and is converted into visible light by the conversion layer and received by the pixel. With the above solution, the pixels can be protected from the damage of X-ray high-energy photons while improving the resolution of the captured X-ray image.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 23, 2021
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong HUANG
  • Patent number: 11205673
    Abstract: An image sensor includes a plurality of pixel sensing portions arranged in m columns and n rows. Each of the pixel sensing portions includes at least one thin film transistor and a photodetection diode (13) including n-type (16), intrinsic (15) and p-type (14) semiconductor layers. The p-type semiconductor layer (14) includes a multi-layered structure including lower (142) and upper (141) p-type semiconductor layered portions. The upper p-type semiconductor layered portion (141) has a band gap greater than 1.7 eV and has a p-type dopant in an amount not less than two times of that of the lower p-type semiconductor layered portion (142). An image sensing-enabled display apparatus and a method of making the image sensor are also disclosed.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: December 21, 2021
    Assignee: SHANGHAI HARVEST INTELLIGENCE TECHNOLOGY CO., LTD.
    Inventors: Hong-Yih Tseng, Jiandong Huang
  • Patent number: 11176351
    Abstract: The present disclosure provides a fingerprint identification method and apparatus, a storage medium, and a terminal. The fingerprint identification method includes: collecting a to-be-identified fingerprint image of a to-be-identified fingerprint; calculating an image correlation between the to-be-identified fingerprint image and a standard fingerprint image, wherein the standard fingerprint image is a fingerprint image collected from a standard fingerprint; and determining whether the to-be-identified fingerprint is consistent with the standard fingerprint according to the image correlation. The solution provided by the present disclosure can effectively improve the accuracy of fingerprint identification.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: November 16, 2021
    Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventors: Xueke Hu, Tianyang Wang, Fei Wang, Sheng Feng, Fengjun Gu, Jiandong Huang
  • Patent number: 11170198
    Abstract: A fingerprint identification method and device, a storage medium and a terminal are provided. The method includes: when a touch sensing unit senses a touch signal after a screen is touched by a fingerprint to be identified, a control unit sending a display drive signal to a display unit to light pixels of one or more discrete point light source regions in the display unit; and a photoelectric sensing unit receiving a scattered light signal formed by light from the pixels reaching a physiological tissue of a finger having the fingerprint to be identified, and a total reflection light signal formed by light from the pixels reaching the screen. True or false fingers may be easily identified and determined, which enhances security and reliability of a fingerprint identification system, and also ensures and improves quality of fingerprint imaging.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 9, 2021
    Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong Huang
  • Patent number: 11157715
    Abstract: A photodetection apparatus includes a cover unit (5), and an optical adhesive film (4), an optical member (3) and a photodetection film (2) in that order disposed on the cover unit. The cover unit (5) includes a plurality of spaced-apart LED elements (521) each configured to be driven to emit an initial light. The initial lights emitted from the LED elements (521) are partially reflected from a cover top surface of the cover unit (5) and sequentially incident on the optical adhesive film (4) and optical member (3). The optical adhesive film (4) and the optical member (3) are configured to respectively filter out a portion of the partially reflected initial lights incident thereon to form a photodetection-film incident light entering the photodetection film (2) and convertible to an identification image data. A biometric identification method using the photodetection apparatus is also disclosed.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: October 26, 2021
    Assignee: SHANGHAI HARVEST INTELLIGENCE TECHNOLOGY CO., LTD.
    Inventor: Jiandong Huang
  • Patent number: 11137845
    Abstract: Contact recognition method and device for folding display are provided. When first touch surface and second touch surface are in folded state, if it is determined that first touch surface faces current user, since sensing unit is provided under first touch surface, first touch surface can directly capture first contact information of user. When it is determined that second touch surface is facing current user, processing unit projects the touch recognition area and the second touch part that is currently in contact with first touch surface onto second touch surface correspondingly, user can move second touch part so that virtual second touch part on second touch surface is within virtual touch recognition area. In this way, touch recognition area of first touch surface which is facing away from user can obtain second contact information.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: October 5, 2021
    Inventor: Jiandong Huang
  • Patent number: 11113492
    Abstract: A method for determining an imaging ratio of a curved panel is provided, wherein a first surface of the curved panel is placed with a to-be-imaged object thereon, an image capturing device is disposed on a second surface opposite to the first surface in a thickness direction of the curved panel, the image capturing device is configured to capture an image of the to-be-imaged object being imaged by the curved panel, and the method comprises: obtaining a thickness of the curved panel and a curvature radius of the first surface of the curved panel; and calculating the imaging ratio of the curved panel for the to-be-imaged object according to the obtained thickness and curvature radius. Therefore, the captured image is corrected according to the imaging ratio, thereby capturing an image that is close to an actual size of the to-be-imaged object.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: September 7, 2021
    Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventors: Xueke Hu, Tianyang Wang, Fei Wang, Sheng Feng, Fengjun Gu, Jiandong Huang
  • Publication number: 20210264128
    Abstract: The present disclosure provides a light detection apparatus and application thereof. The apparatus includes: a nonopaque cover plate, a display, and a photosensor, and further including a processor configured to transmit a display driving signal to the display when the apparatus detects a touch signal on the apparatus; wherein the display includes a plurality of display pixels configured to emit an optical signal when receiving the display driving signal transmitted by the processor, and the optical signal is reflected on an upper surface of the nonopaque cover plate to form a reflected optical signal; and wherein the reflected optical signal is received by the photosensor. By some embodiments of the present disclosure, obtained physiological feature information can be more accurate and identification precision can be effectively improved.
    Type: Application
    Filed: May 13, 2021
    Publication date: August 26, 2021
    Applicant: SHANGHAI HARVEST INTELLIGENCE TECHNOLOGY CO., LTD.
    Inventors: Sheng FENG, Tianyang WANG, Fengjun GU, Jiandong HUANG
  • Patent number: 11087111
    Abstract: A method and an apparatus for fingerprint collection are provided. The method includes: lighting up pixels of a plurality of light source regions on a display panel according to a preset timing sequence, where each light source region includes one or more pixels, all the light source regions are simultaneously lighted up during a first time period and none of light source regions is lighted up during a second time period; controlling a photoelectric sensing module to collect first and second optical signals respectively in the first and second time periods, the first optical signal including a reflected light signal formed by reflecting, with a light-transmissive cover plate, light from the light source regions; correcting the collected first optical signal based on the second optical signal, where the display panel and the photoelectric sensing module are disposed at a same side of the light-transmissive cover plate.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: August 10, 2021
    Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventors: Fei Wang, Xueke Hu, Tianyang Wang, Sheng Feng, Fengjun Gu, Jiandong Huang
  • Publication number: 20210223367
    Abstract: The present disclosure provides a laser radar and a scanning method thereof. The laser radar includes a laser generation module configured for generating a first optical signal; and a scanning module configured for acquiring the first optical signal and outputting a second optical signal. There is an angle between a transmission direction of the second optical signal and a transmission direction of the first optical signal, and the angle is adjustable. The scanning module includes a liquid crystal layer for adjusting the angle to scan a target space. With solutions of the present disclosure, space scanning can be realized without an additional motion module, which can effectively improve the stability of the laser radar, and achieve low cost and fast scanning speed.
    Type: Application
    Filed: January 15, 2021
    Publication date: July 22, 2021
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong HUANG
  • Patent number: 11056028
    Abstract: A method for detecting luminance uniformity of a screen, storage medium, and electronic device are provided. The method includes the following steps. At least one pixel on a display panel of a screen is lit. Light intensity of the pixel reflected by a non-opaque cover plate is acquired by a photoelectric sensor of the screen. Whether the pixel is uniformly luminous based on the acquired light intensity is determined. In this solution, by adding a photoelectric sensor to the screen, it is convenient to obtain the light condition of the screen, and then it is convenient to obtain whether the pixel is uniformly luminous.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: July 6, 2021
    Inventor: Jiandong Huang
  • Patent number: 11056608
    Abstract: An infrared detection film includes a gate electrode, a gate insulating layer, a majority-carrier channel layer, at least one drain terminal, at least one source terminal, and a photovoltaic semiconductor layer. The gate insulating layer is formed on the gate electrode. The majority-carrier channel layer is formed on the gate insulating layer. Each of the at least one drain terminal and the at least one source terminal is disposed on the majority-carrier channel layer and is spaced apart from the gate electrode. The photovoltaic semiconductor layer is disposed on an exposed portion of the majority-carrier channel layer exposed between the at least one drain terminal and the at least one source terminal.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: July 6, 2021
    Assignee: SHANGHAI HARVEST INTELLIGENCE TECHNOLOGY CO., LTD.
    Inventor: Jiandong Huang
  • Publication number: 20210192169
    Abstract: A photodetection apparatus includes a cover unit (5), and an optical adhesive film (4), an optical member (3) and a photodetection film (2) in that order disposed on the cover unit. The cover unit (5) includes a plurality of spaced-apart LED elements (521) each configured to be driven to emit an initial light. The initial lights emitted from the LED elements (521) are partially reflected from a cover top surface of the cover unit (5) and sequentially incident on the optical adhesive film (4) and optical member (3). The optical adhesive film (4) and the optical member (3) are configured to respectively filter out a portion of the partially reflected initial lights incident thereon to form a photodetection-film incident light entering the photodetection film (2) and convertible to an identification image data. A biometric identification method using the photodetection apparatus is also disclosed.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 24, 2021
    Applicant: SHANGHAI HARVEST INTELLIGENCE TECHNOLOGY CO., LTD.
    Inventor: Jiandong HUANG
  • Publication number: 20210141487
    Abstract: According to the invention, the photosensitive module is disposed below the display unit and is located on or near the optical axis for imaging of physiological feature information of the user, so that compared with a structure having a camera separately disposed on the peripheral edge of a display, the apparatus of the invention can timely capture the physiological feature information (such as eye motion information) of the user, shorten the detection response time and improve user experience. In addition, the photosensitive module is disposed below the display unit, and the display unit with infrared pixels emits infrared light, so that compared with the structure having the camera separately disposed outside the display, the overall thickness of mobile devices can be effectively decreased, wearable devices or mobile devices are lighter and thinner, and the apparatus is more suitable for flexible wearable devices or mobile devices and can meet market requirements.
    Type: Application
    Filed: September 29, 2020
    Publication date: May 13, 2021
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong Huang
  • Publication number: 20210116735
    Abstract: The present disclosure provides an image capturing apparatus, including: a light source module having a first surface and a second surface opposite to each other; an LCD module having a first surface and a second surface opposite to each other, wherein the second surface of the LCD module faces the first surface of the light source module, and the LCD module includes a scattering layer for scattering an incident light; a light-transmitting cover plate having a first surface and a second surface opposite to each other, wherein the first surface of the light-transmitting cover plate is configured to contact with an object to be captured, and the second surface of the light-transmitting cover plate is configured to face the first surface of the LCD module; and a sensor module configured to collect the incident light reflected by the light-transmitting cover plate.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 22, 2021
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong HUANG
  • Publication number: 20210117641
    Abstract: The present disclosure provides an image capturing apparatus, including: a light source module having a first surface and a second surface opposite to each other along a thickness direction; an LCD module having a first surface and a second surface opposite to each other along the thickness direction; a light-transmitting cover plate having a first surface and a second surface opposite to each other along the thickness direction, wherein the first surface of the light-transmitting cover plate is configured to contact with an object to be captured, and the second surface of the light-transmitting cover plate is configured to face the first surface of the LCD module; and a sensor module configured to collect an incident light reflected by the light-transmitting cover plate. The present disclosure can realize image capturing based on the principle of total reflection under an LCD screen, optimize imaging effect, and improve imaging clarity.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 22, 2021
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong HUANG
  • Publication number: 20210073506
    Abstract: A touch object operating method is to be implemented by an electronic device that includes a display unit and a sensor unit. The display unit is provided with a fingerprint recognition area, and displays at least one touch object in the fingerprint recognition area. The sensor unit is operable to obtain fingerprint information of a finger appearing in the fingerprint recognition area. The touch object operating method includes receiving an operation instruction made on the touch object by a finger of a user, and, simultaneously with receiving the operation instruction, obtaining fingerprint information of the finger of the user as input fingerprint information.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 11, 2021
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong HUANG
  • Publication number: 20210058534
    Abstract: The present disclosure provides an image capturing apparatus, an electronic equipment, and a terminal. The image capturing includes: a light-transmitting cover plate; a light source module disposed below a first surface of the light-transmitting cover plate; at least one sensing module including a mask layer and a sensor component, wherein the sensor component has a first surface and a second surface opposite to each other, the first surface of the sensor component is disposed opposite to the mask layer and the second surface of the sensor component is a photosensitive surface, and the mask layer is made of an opaque material; a catadioptric component having a first surface and a second surface opposite to each other, wherein the sensor component is disposed on the first surface of the catadioptric component. With technical solution of the present disclosure, the imaging effect of the image capturing apparatus can be improved.
    Type: Application
    Filed: June 5, 2020
    Publication date: February 25, 2021
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Jiandong HUANG
  • Publication number: 20200402448
    Abstract: A method and device for monitoring luminous intensity of display pixel is provided. The device includes self-luminous LED display, optical glue, photo-detecting array film and processing chip. The optical glue is attached to lower surface of the self-luminous LED display. The photo-detecting array film is disposed under the optical glue. The self-luminous LED display includes display pixels. Each display pixel includes a luminescent layer. The refractive index of the optical glue is smaller than that of the cover glass. The device uses the optical glue to filter the reflected light in the effective area corresponding to each display pixel. After that, the processing chip calculates the luminous intensity of the display pixel according to the first reflected optical signal detected by the photo-detecting array film. When it is determined that the luminous intensity of the display pixel is not changed in the preset period, a feedback signal is transmitted.
    Type: Application
    Filed: June 24, 2020
    Publication date: December 24, 2020
    Applicant: SHANGHAI HARVEST INTELLIGENCE TECHNOLOGY CO., LTD.
    Inventor: Jiandong Huang