PHASE SHIFTER AND ANTENNA
    1.
    发明公开

    公开(公告)号:EP4016724A1

    公开(公告)日:2022-06-22

    申请号:EP20852398.5

    申请日:2020-08-13

    IPC分类号: H01P1/18 G02F1/1339 H01Q1/38

    摘要: The present disclosure provides a phase shifter and an antenna, and belongs to the field of communication technology. The phase shifter of the present disclosure includes a first substrate and a second substrate opposite to each other; a signal transmission structure between the first substrate and the second substrate, wherein the signal transmission structure is configured to transmit a microwave signal; a phase shifting structure between the first substrate and the second substrate, wherein the phase shifting structure is configured to adjust a phase of the microwave signal; wherein the signal transmission structure includes a connection structure on the signal transmission structure; the signal transmission structure is connected to the phase shifting structure through the connection structure; the phase shifter further includes: an isolation structure between the first substrate and the second substrate; wherein the isolation structure is on the connection structure and separates a dielectric layer of the signal transmission structure from a dielectric layer in the phase shifting structure.

    FEED STRUCTURE, MICROWAVE RADIO-FREQUENCY DEVICE AND ANTENNA

    公开(公告)号:EP4016733A1

    公开(公告)日:2022-06-22

    申请号:EP20852132.8

    申请日:2020-08-13

    IPC分类号: H01Q1/38 H01Q3/36

    摘要: A feeding structure, a microwave radio frequency device and an antenna are provided. The feeding structure includes a first substrate and a second substrate opposite to each other, a reference electrode, and a dielectric layer between the first substrate and the second substrate. The first substrate includes a first base plate, and a coupling branch and a delay branch on a side of the first base plate proximal to the dielectric layer, the coupling branch and the delay branch are configured to be connected to two output terminals of a power divider, respectively, and both form a current loop with the reference electrode. The second substrate includes a second base plate and a receiving electrode on a side of the second base plate proximal to the dielectric layer, the receiving electrode and the coupling branch form a coupling structure, and orthographic projections of the receiving electrode and the coupling branch on the first base plate at least partially overlap each other. A length of an orthographic projection of both the coupling branch and the receiving electrode on the first base plate is different from a length of the delay branch, such that a phase of a microwave signal transmitted on the coupling structure is different from a phase of a microwave signal transmitted on the delay branch.

    DISPLAY PANEL AND ELECTRONIC APPARATUS
    4.
    发明公开

    公开(公告)号:EP4012696A1

    公开(公告)日:2022-06-15

    申请号:EP20900688.1

    申请日:2020-05-15

    发明人: LI, Meng WANG, Ying

    IPC分类号: G09G3/3225

    摘要: The present disclosure provides a display panel and an electronic device. The display panel includes: a base substrate; a pixel arranged on the base substrate, including a light-transmitting area and a display area arranged side by side in a first direction parallel to the base substrate, wherein the pixel includes a plurality of sub-pixel drive circuits sequentially arranged in the first direction in the display area, each of the sub-pixel drive circuits includes a switching transistor, a detection transistor and a storage capacitor, the switching transistor and the detection transistor are respectively located on both sides of the storage capacitor in a second direction perpendicular to the first direction and parallel to the base substrate; a first gate line configured to provide a first scanning signal to the plurality of sub-pixel drive circuits; and a second gate line configured to provide a second scanning signal to the plurality of sub-pixel drive circuits, wherein the first gate line and the second gate line are respectively located on both sides of the light-transmitting area, the first gate line is located on a side of the switching transistor away from the storage capacitor, the second gate line is located on a side of the detection transistor away from the storage capacitor, and between two ends of the pixel in the first direction, at least one of the first gate line and the second gate line is linear and extends in the first direction.

    DISPLAY SUBSTRATE AND PRODUCING METHOD THEREFOR, AND DISPLAY DEVICE

    公开(公告)号:EP3993054A1

    公开(公告)日:2022-05-04

    申请号:EP20900749.1

    申请日:2020-05-15

    IPC分类号: H01L27/32

    摘要: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of display units. The display unit includes a display area and a transparent area. The display area includes a plurality of sub-pixels. In a direction perpendicular to the display substrate, the sub-pixel includes a first metal layer, a semiconductor layer, a second metal layer and a third metal layer which are arranged on a substrate. The first metal layer includes a first plate, the semiconductor layer includes a second plate, the second metal layer includes a first scanning line and a second scanning line, and the third metal layer includes a third plate, a first power supply line, a second power supply line, a compensation line and a data line. The second plate and the first plate form a first storage capacitor, the third plate and the second plate form a second storage capacitor, and the third plate is connected with the first plate through a via hole. The third metal layer further includes at least one auxiliary cathode which is arranged in the transparent area and connected with the second power supply line.

    ANTENNA STRUCTURE AND MODULATION METHOD THEREFOR

    公开(公告)号:EP3780271A1

    公开(公告)日:2021-02-17

    申请号:EP19784231.3

    申请日:2019-04-03

    IPC分类号: H01Q1/38 H01Q9/06

    摘要: An antenna structure and a modulation method therefor. The antenna structure comprises a radiation patch (120), a radio-frequency port (130), a first signal line (140), a second signal line (150), a power splitter (160), and a first phase modulator (170). The radiation patch (120) comprises a first feeding point (121) and a second feeding point (122). One end of the first signal line (140) is connected to the first feeding point (121). One end of the second signal line (150) is connected to the second feeding point (122). The power splitter (160) is separately connected to the radio-frequency port (130), the other end of the first signal line (140), and the other end of the second signal line (150), and is configured to allocate electromagnetic waves of the radio-frequency port to the first signal line (140) and the second signal line (150); and the first phase modulator (170) is configured to modulate the phase of the electromagnetic waves of the first signal line (140). Accordingly, the antenna structure can receive and transmit left-handed circular polarized wave, right-handed circular polarized wave, and linear polarized wave by using the single radio-frequency port.

    SHIFT REGISTER UNIT, DRIVE METHOD, GATE DRIVE CIRCUIT, AND DISPLAY DEVICE

    公开(公告)号:EP3882901A1

    公开(公告)日:2021-09-22

    申请号:EP18926381.7

    申请日:2018-11-14

    IPC分类号: G09G3/36

    摘要: A shift register unit, a gate driving circuit, a display device, and a driving method are provided. The shift register unit includes an input circuit (110), an output circuit (120), a first node control circuit (130), and a second node control circuit (140). The input circuit (110) is connected to a first node (Q1), and is configured to provide an input signal to the first node (Q1) in response to a first control signal; the output circuit (120) is connected to the first node (Q1) and an output terminal (OUT), and is configured to output an output signal at the output terminal (OUT) under control of a level of the first node (Q1); the first node control circuit (130) is connected to the first node (Q1) and a second node (Q2), and is configured to reset the first node (Q1) under control of a level of the second node (Q2); and the second node control circuit (140) is connected to the second node (Q2), and is configured to provide a third control signal to the second node (Q2) in response to a second control signal to control the level of the second node (Q2). The shift register unit can prevent the second node from being in an active level state for a long time, thereby avoiding transistors connected to the second node from positively drifting.