Pixel unit circuit, pixel circuit, method for driving pixel circuit and display device

    公开(公告)号:US10923031B2

    公开(公告)日:2021-02-16

    申请号:US16087972

    申请日:2018-02-12

    Abstract: A pixel unit circuit includes a light emitting element, a first end being connected to a low level input end; a storage capacitor sub-circuit, a first end being connected to a DC voltage input end; a driving transistor, a gate electrode being connected to a second end of the storage capacitor sub-circuit, and a first electrode being connected to a second end of the light emitting element; a light emitting control sub-circuit, a control end being connected to a light emitting control line, the first end being connected to a high-level input end, and the second end being connected to a second electrode of the driving transistor, and configured to control whether the second electrode of the driving transistor is connected to the high level input end; and a charge compensation control sub-circuit, connected to a gate line, a data line and the gate electrode of the driving transistor.

    Display panel, display device and control method thereof

    公开(公告)号:US10908463B2

    公开(公告)日:2021-02-02

    申请号:US15769027

    申请日:2017-09-30

    Abstract: The present disclosure relates to a display panel, a display device and a control method thereof. A display panel (10) includes: two oppositely-provided base substrates (101, 102); a plurality of liquid crystal regulation units (103) provided between the two base substrates; and a light shielding region (104) and a light transmitting region (105) located on a light emissive side of each of the liquid crystal regulation units, wherein each said liquid crystal regulation unit (103) includes a regulation electrode (31a) and a liquid crystal layer (31b), and the regulation electrode (31a) is used for controlling deflection of liquid crystals in the liquid crystal layer (31b), such that beams incident obliquely towards the light shielding region (104) are reflected by the liquid crystal layer corresponding to the light shielding region (104) to the light transmitting region (105).

    Pixel circuit and drive method thereof and display panel

    公开(公告)号:US10810936B2

    公开(公告)日:2020-10-20

    申请号:US16070927

    申请日:2017-12-19

    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.

    Array substrate, method for fabricating the same, display panel, and display device

    公开(公告)号:US10802630B2

    公开(公告)日:2020-10-13

    申请号:US16310052

    申请日:2018-01-11

    Abstract: The disclosure discloses an array substrate, a method for fabricating the same, a display panel, and a display device, and the array substrate includes: a base substrate, a pressure-sensitive component, a plurality of dual-gate transistors, and a plurality of pixel transistors, where the pressure-sensitive component includes a first electrode layer, a pressure-sensitive layer, and a second electrode layer which are arranged on the base substrate in that order, and the second electrode layer includes a plurality of second electrodes arranged corresponding to the respective dual-gate transistors in a one-to-one manner; and the dual-gate transistors and the pixel transistors are arranged above the second electrode layer, and each of the plurality of second electrodes is electrically connected with a bottom-gate electrode in a corresponding dual-gate transistor, so that a pressure can be detected.

    Fingerprint recognition and pixel driving circuit, and display device comprising the same

    公开(公告)号:US10789442B2

    公开(公告)日:2020-09-29

    申请号:US16322027

    申请日:2018-05-18

    Abstract: A fingerprint recognition and pixel driving circuit and a display device including the circuit are provided. The circuit includes a first scan line, a second scan line, a third scan line, a light emission control line and a data writing line, a pixel driving sub-circuit for driving a light emitting element of a pixel to emit light according to the first scan signal, the second scan signal, the third scan signal, the light emission control signal, and the data signal, a fingerprint recognition sub-circuit that receives any two of the first scan signal, the second scan signal and the third scan signal through a first read terminal and a reset terminal to generate fingerprint data of a finger based on any two of the first scan signal, the second scan signal and the third scan signal, thereby realizing integration of the fingerprint recognition function with the pixel driving function.

    Liquid crystal lens, lens assembly, optical apparatus and display device

    公开(公告)号:US10747083B2

    公开(公告)日:2020-08-18

    申请号:US15770348

    申请日:2017-09-11

    Abstract: A liquid crystal lens, a lens assembly, an optical apparatus, and a display device are provided. The liquid crystal lens includes a first transparent substrate; a second transparent substrate, provided opposite to the first transparent substrate; a liquid crystal layer, provided between the first and second transparent substrates; and at least one first electrode and at least one second electrode, both of which being provided at a side of one of the first and second transparent substrates proximal to the liquid crystal layer. The at least one first electrode and the at least one second electrode are alternately arranged to be insulated from each other and have an interval therebetween.

    Display substrate and display device

    公开(公告)号:US10747077B2

    公开(公告)日:2020-08-18

    申请号:US16108956

    申请日:2018-08-22

    Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate, a plurality of data lines and a plurality of pixels arranged in an array on the base substrate, each of the data lines extends along a column direction, the pixels in a single column are connected to one single data line of the data lines, any two data lines of the data lines connected to adjacent columns of the pixels constitute a pair of data lines, any two adjacent pixels in each row of the pixels constitute a pair of pixels, each pair of data lines pass through one row of any two adjacent rows of the pixels by extending between two pairs of pixels, and pass through another one row of the two adjacent rows of the pixels by extending between two pixels of one pair of pixels.

Patent Agency Ranking