中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

309 records (took 0.024 seconds)

    CMOS IMAGE SENSOR, PIXEL CIRCUIT AND DRIVING METHOD THEREOF
    131.
    发明申请
    CMOS IMAGE SENSOR, PIXEL CIRCUIT AND DRIVING METHOD THEREOF 审中-公开

    公开(公告)号：US20190313048A1

    公开(公告)日：2019-10-10

    申请号：US16078626

    申请日：2017-10-20

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Chih Jen CHENG ,  Xiaoliang DING

    IPC: H04N5/3745 ,  H04N5/376 ,  H04N5/225 ,  H01L27/146

    Abstract: Embodiments of the present disclosure provide a CMOS image sensor, and a pixel circuit and a driving method thereof. The pixel circuit includes: a collection circuit configure to collect an incident light and convert a collected optical signal into an electric signal; a source follower circuit configured to output the received electric signal to a collection signal output terminal under the control of scan lines; and a voltage conversion circuit, configured to be connected to the collection signal output terminal through a read signal line, convert a voltage at the collection signal output terminal to an output voltage, and output the output voltage at a voltage output terminal, wherein the output voltage is within an operating voltage range of an image processor.

    PIXEL CIRCUIT AND DRIVE METHOD THEREOF AND DISPLAY PANEL
    134.
    发明申请
    PIXEL CIRCUIT AND DRIVE METHOD THEREOF AND DISPLAY PANEL 审中-公开

    公开(公告)号：US20190279566A1

    公开(公告)日：2019-09-12

    申请号：US16070927

    申请日：2017-12-19

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Pengpeng WANG ,  Xue DONG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU

    IPC: G09G3/3233 ,  G06K9/00

    Abstract: A pixel circuit and a drive method thereof and a display panel are provided. The pixel circuit includes a light-emitting element, a light-emitting control circuit and a photoelectric sense circuit. The light-emitting control circuit is configured to drive the light-emitting element to emit light and includes a first end, a second end and a third end; the first end is connected with a first power supply terminal, and the second end is connected with one end of the light-emitting element. Other end of the light-emitting element is connected with a second power supply terminal. The photoelectric sense circuit is configured to sense light incident thereon and includes a sense signal output end and a sense voltage input end, the sense voltage input end is connected with the second power supply terminal, and the sense signal output end is connected with the third end of the light-emitting control circuit.

    OPTICAL MEASUREMENT MODULE, OPTICAL MEASUREMENT CIRCUIT, AND ELECTRONIC DEVICE
    139.
    发明申请
    OPTICAL MEASUREMENT MODULE, OPTICAL MEASUREMENT CIRCUIT, AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20190178712A1

    公开(公告)日：2019-06-13

    申请号：US16315561

    申请日：2018-04-09

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Haisheng WANG ,  Xiaoliang DING ,  Chihjen CHENG ,  Yanling HAN ,  Wei LIU ,  Ping ZHANG ,  Pengpeng WANG ,  Xueyou CAO ,  Yanan JIA

    IPC: G01J1/42 ,  G01J1/44

    Abstract: The present disclosure provides an optical measurement module which includes a detection sub-circuit, a comparison sub-circuit and a blocking layer, the blocking layer includes at least one blocking element, the detection sub-circuit comprises a first photosensitive element, and the detection sub-circuit is configured to output a detection signal according to light irradiation received by the first photosensitive element and an input signal of the detection sub-circuit; the comparison sub-circuit includes a second photosensitive element, the at least one blocking element in the blocking layer covers at least the second photosensitive element, the comparison sub-circuit is configured to output a comparison signal according to an input signal of the comparison sub-circuit; wherein the first photosensitive element and the second photosensitive element have a same structure, so that they have a same response to light irradiation and a same response to environment.

Patent Agency Ranking