VIRTUAL SURROUND SOUND PRODUCTION CIRCUIT, PLANAR SOUND SOURCE APPARATUS, AND FLAT PANEL DISPLAY DEVICE

    公开(公告)号:US20230068347A1

    公开(公告)日:2023-03-02

    申请号:US17790089

    申请日:2021-05-24

    Abstract: A virtual surround sound production circuit includes: a subtraction unit configured to perform subtraction operation on first and second signals to output a third signal; a first addition unit configured to perform addition operation on the first and second signals to output a center channel signal; a surround sound adjustment unit configured to adjust the third signal or another third signal that has undergone frequency compensation to output a fourth signal; a center compensation unit configured to adjust the center channel signal to output a fifth signal; a second addition unit configured to perform addition operation on the first, fourth and fifth signals to output a first output signal; a phase inverter unit configured to perform phase inversion on the fourth signal to generate a phase-inverted signal; and a third addition unit configured to perform addition operation on the second, fifth and phase-inverted signals to output a second output signal.

    DISPLAY PANEL, METHOD OF MANUFACTURING THE SAME AND DISPLAY DEVICE

    公开(公告)号:US20230030379A1

    公开(公告)日:2023-02-02

    申请号:US17757886

    申请日:2021-09-10

    Abstract: A peripheral area of the display panel is provided with a photosensitive TFT structure, the photosensitive TFT structure includes a reference TFT unit and a photosensitive TFT unit, first electrodes of a reference TFT included in the reference TFT unit and a photosensitive TFT included in the photosensitive TFT unit are connected to a signal input terminal of the photosensitive TFT structure; a second electrode of the reference TFT is connected to a second signal line of the photosensitive TFT structure; a second electrode of the photosensitive TFT is connected to a third signal line of the photosensitive TFT structure; a gate electrode of the reference TFT is connected to a first control terminal of the photosensitive TFT structure, and a gate electrode of the photosensitive TFT is connected to a second control terminal of the photosensitive TFT structure.

    LIGHT SHIELDING PLATE ASSEMBLY AND CONTROL METHOD THEREOF, CONTROL DEVICE AND VEHICLE

    公开(公告)号:US20220382087A1

    公开(公告)日:2022-12-01

    申请号:US17764916

    申请日:2021-05-18

    Abstract: The present disclosure provides a light shielding plate assembly and a control method thereof, a control device, and a vehicle. The image collecting module in the light shielding plate assembly is configured to obtain image information of the transparent panel and the human eye; the control module is configured to determine target position information of a gaze point of the human eye positioned on the transparent panel according to the image information, and determine a target control area corresponding to the target position information on the transparent panel; the detection module is configured to: detect optical information when the light passes through the target control area and arrives at the human eye; the control module is further configured to: adjust the light transmittance of the transparent panel in the target control area according to the optical information, so that the optical information is within a preset range.

    SHIFT REGISTER, GATE DRIVE CIRCUIT, DISPLAY DEVICE, AND DRIVING METHOD FOR SAME

    公开(公告)号:US20220270532A1

    公开(公告)日:2022-08-25

    申请号:US17627143

    申请日:2021-04-12

    Abstract: A shift register, a gate drive circuit, a display device, and a driving method for the same. The shift register comprises a first output sub-circuit, which provides, under control of an INPUT or a RESET, a signal of a CN or a CNB to a pull-up node, outputs, according to a voltage level of the pull-up node, a signal of a CK to an OUT, transmits, under control of a CKB, a signal of the CKB to a pull-down node, and pulls down, according to a voltage level of the pull-down node, a voltage level of the OUT; a second output sub-circuit, which outputs, during a scan output stage and under control of a GON, a signal of the OUT to a GOUT; and a transfer sub-circuit, which pulls down, during a scan transfer stage and under control of a GOFF, a voltage level of the GOUT.

    TOUCH DETECTION METHOD, TOUCH DETECTION DEVICE, AND TOUCH DISPLAY DEVICE

    公开(公告)号:US20220066591A1

    公开(公告)日:2022-03-03

    申请号:US17324259

    申请日:2021-05-19

    Abstract: A touch detection method includes: scanning a reference scan region according to a first control protocol to collect initial touch signals including an initial trigger signal; determining position information of a starting point according to the initial touch signals; reporting the position information of the starting point; switching the first control protocol to a second control protocol; and performing following operations at least once: determining a current target scan region, scanning the current target scan region according to the second control protocol to collect current touch signals including a current trigger signal, determining position information of a touch point according to the current touch signals, and reporting the position information of the touch point. An area of the current target scan region is less than an area of the reference scan region.

    DRIVER, DISPLAY DEVICE AND OPTICAL COMPENSATION METHOD

    公开(公告)号:US20210407370A1

    公开(公告)日:2021-12-30

    申请号:US16960137

    申请日:2019-09-30

    Abstract: A driver, a display device, and an optical compensation method thereof are provided. The display panel includes sub-pixels arranged in an array. The method includes: receiving an initial gray level of each sub-pixel of a picture to be displayed; determining whether each sub-pixel satisfies a preset determination condition based on the initial gray level of each sub-pixel; if an absolute value of a difference between the initial gray levels of two sub-pixels electrically connected to a same data line and located in two adjacent rows is greater than a preset threshold, it is determined that a sub-pixel in a next row satisfies the preset determination condition; and, in response to determining that a sub-pixel satisfies the preset determination condition, acquiring a first compensation parameter of the sub-pixel, and compensating the initial gray level of the sub-pixel based on the acquired first compensation parameter.

    GATE DRIVING UNIT, GATE DRIVING METHOD, GATE DRIVING CIRCUIT AND DISPLAY DEVICE

    公开(公告)号:US20210377717A1

    公开(公告)日:2021-12-02

    申请号:US17444826

    申请日:2021-08-10

    Abstract: A gate driving unit includes an input terminal, a latch node control circuit, a first node potential maintenance circuit, and a latch node reset circuit, the latch node control circuit is configured to control a voltage of the latch node through a charging voltage inputted by the latch charging terminal under the control of an input signal provided by the input terminal, the first node potential maintenance circuit is configured to control the connection between the first node and the latch enable terminal under the control of a voltage of the latch node, to maintain a potential of the first node; and the latch node reset circuit is configured to control to reset the potential of the latch node under the control of the latch node reset signal inputted by the latch node reset terminal.

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