MICROFLUIDIC SUBSTRATE, MICROFLUIDIC CHIP AND DETECTION METHOD THEREOF

    公开(公告)号:US20210339255A1

    公开(公告)日:2021-11-04

    申请号:US17272119

    申请日:2020-05-11

    Abstract: The present disclosure provides a microfluidic substrate, a microfluidic chip and a detection method. The microfluidic substrate according to the present disclosure includes a first substrate, and a plurality of droplet detecting elements on the first substrate and in an array. Each of the plurality of droplet detecting elements includes an ultrasonic conversion device and a voltage detecting element, the ultrasonic conversion device is configured to generate ultrasonic wave according to a first electric signal, receive a reflected ultrasonic wave, and convert the reflected ultrasonic wave into a second electric signal; and the voltage detecting element is configured to detect the second electric signal and determine whether a droplet exists at a position where the droplet detecting element is located based on the second electric signal.

    ACOUSTIC WAVE SIGNAL READING CIRCUITS, CONTROL METHODS, AND ACOUSTIC WAVE SIGNAL READING APPARATUSES

    公开(公告)号:US20210333903A1

    公开(公告)日:2021-10-28

    申请号:US16605204

    申请日:2019-05-13

    Abstract: Embodiments of the present application provide acoustic wave signal reading apparatuses, acoustic wave signal reading circuits, and control methods thereof related to the field of acoustic wave signal reading technology. One embodiment of an acoustic wave signal reading circuit comprises: an acoustic wave receiver, a reset control circuit, a function circuit, and an output circuit; an acoustic wave receiver is configured to convert a received acoustic wave signal into an electrical signal and outputs the electrical signal to a first node; the reset control circuit outputs a voltage to the first node; the function circuit switches states based on the first node, a signal terminal, and a voltage terminal, and outputs a voltage to a second node to reset the second node or amplifies a potential of the first node and outputs to the amplified potential to the second node depending on a state of the function circuit.

    TEXTURE RECOGNITION DEVICE AND DRIVING METHOD OF TEXTURE RECOGNITION DEVICE

    公开(公告)号:US20210232841A1

    公开(公告)日:2021-07-29

    申请号:US16764143

    申请日:2019-04-30

    Abstract: A texture recognition device and a driving method of a texture recognition device (100) are provided. The texture recognition device has a touch side, and includes: a light source array, an image sensor array and a light valve structure; the image sensor array is configured to receive light emitted from the light source array and then reflected to the image sensor array by a texture for a texture image collection; the light valve structure is disposed on a side of the light source array close to a touch side and is configured to control a first region to be in a light transmission state in response to a control signal, so as to allow light emitted from the light source array to pass through the first region to form a first photosensitive light source in the light transmission state.

    OLED TOUCH COMPONENT AND OLED DISPLAY DEVICE WITH THE SAME

    公开(公告)号:US20210225945A1

    公开(公告)日:2021-07-22

    申请号:US16303184

    申请日:2018-05-18

    Abstract: The present disclosure provides an OLED touch component and an OLED display device with the same. the OLED touch component includes an array substrate formed with a wire bonding region; a film package disposed on the array substrate, and having a first slope which is provided at a side of the film package with respect to a wire bonding region; an insulating layer disposed on the film package and the array substrate, wherein a portion of the insulating layer covering the first slope is formed with a second slope; and a touch electrode disposed at the insulating layer and connected with a plurality of touch electrode leads, wherein a portion of the touch electrode lead located at the second slope is formed with a bending structure.

    DISPLAY DEVICE, ELECTRONIC EQUIPMENT, AND METHOD FOR DRIVING DISPLAY DEVICE

    公开(公告)号:US20210217379A1

    公开(公告)日:2021-07-15

    申请号:US16652797

    申请日:2019-03-21

    Abstract: A display device, an electronic equipment, and a method for driving a display device are disclosed. The display device includes a first light source group, a second light source group, a first image sensor group, and a second image sensor group. The first light source group is configured to emit light of a first determined frequency to illuminate a first partial region of a detection object, the second light source group is configured to emit light of a second determined frequency to illuminate a second partial region of the detection object, the first image sensor group is configured to receive the light of the first determined frequency emitted by the first light source group and reflected by the detection object, and the second image sensor group is configured to receive the light of the second determined frequency emitted by the second light source group and reflected by the detection object.

    Driving Method and an Apparatus for a Fingerprint Recognition Device

    公开(公告)号:US20210216739A1

    公开(公告)日:2021-07-15

    申请号:US16634286

    申请日:2019-07-30

    Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for fingerprint recognition. The method may comprise turning on a first subset of a plurality of light sources located on an apparatus, capturing a first fingerprint acquisition frame using a plurality of image sensors on the apparatus, turning on a second subset of the plurality of light sources, and capturing a second fingerprint acquisition frame using the plurality of image sensors. The first fingerprint acquisition frame may include a first set of valid image zones and a first set of invalid image zones. The second fingerprint acquisition frame may include a second set of valid image zones and a second set of invalid image zones. The second set of valid image zones at least partially covers areas of a finger touching interface different from the first set of valid image zones.

    STRUCTURE FOR COLLECTING LIGHT FIELD INFORMATION, DISPLAY DEVICE, AND CONTROL METHOD OF DISPLAY DEVICE

    公开(公告)号:US20210193078A1

    公开(公告)日:2021-06-24

    申请号:US16911501

    申请日:2020-06-25

    Abstract: The present disclosure discloses a structure for collecting light field information, a display device, and a control method of the display device. The structure for collecting light field information includes a base substrate, a plurality of sensor chips located on the base substrate, where each of the plurality of sensor chips includes a plurality of sensing units arranged in an array, and a plurality of micro-imaging structures located above a side, facing away from the base substrate, of the plurality of sensor chips. Each of the plurality of micro-imaging structures corresponds to a respective one of the sensor chips. An orthographic projection of the respective one sensor chip on the base substrate has an overlapping region with an orthographic projection of the each micro-imaging structure on the base substrate. The respective one sensor chip is configured to receive light field information passing through the each micro-imaging structure.

    DISPLAY PANEL, DISPLAY DEVICE AND METHOD FOR DISPLAYING BRAILLE INFORMATION

    公开(公告)号:US20210183264A1

    公开(公告)日:2021-06-17

    申请号:US16080618

    申请日:2018-02-02

    Abstract: The embodiments of the present disclosure provide a display panel, a display device, and a method for displaying Braille information. The display panel includes a plurality of scan lines, data lines, and display circuits arranged at intersections of the plurality of scan lines and the plurality of data lines. The display circuit includes a switch configured to be turned on or off according to a scan signal from the scan line, and a dot element coupled to the switch. The dot element includes a substrate, an electrode provided on the substrate, a thermosensitive layer provided on the electrode, and a dot key arranged on the thermosensitive layer. The electrode is coupled to the switch, and configured to be applied with a data signal from the data line when the switch is turned on. The thermosensitive layer is configured to be heated by the electrode to protrude the dot.

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