Abstract: A foldable flexible screen terminal includes: at least two screen terminal portions and a rollable flexible member, two adjacent screen terminal portions being connected by the rollable flexible member, the rollable flexible member including a plurality of flexible member units and a plurality of bellows structures, each of the plurality of bellows structures being foldable and unfoldable, the plurality of bellows structures including a plurality of first bellows structures, and two adjacent flexible member units being connected by one of the plurality of first bellows structures.

Abstract: A data transmission method comprises: receiving and storing image data, wherein the image data comprises first data and second data, the first data is encrypted verification data, and the second data is original data; comparing the first data with the second data in stored image data; replacing the second data with the first data, if the second data and the first data are inconsistent.

Abstract: Provided is a display module, including: a shell; a display panel, wherein the display panel is disposed in the shell and is connected to the shell; a first light emitting component, wherein the first light emitting component is connected to the display panel and is configured to emit light of a target wavelength; and a fingerprint recognition sensor, wherein the fingerprint recognition sensor is disposed between the shell and the display panel and is fixedly connected to the shell; an orthographic projection of the fingerprint recognition sensor onto the display panel and an orthographic projection of the first light emitting component onto the display panel do not overlap; and the fingerprint recognition sensor is configured to recognize a fingerprint based on received light of the target wavelength reflected by an obstacle.

Abstract: The invention discloses a bionic laminated thermal insulation material, which imitates a multi-thin laminated and thin-layer micro-pore structure of Sequoia sempervirens bark with fire resistance, corrosion resistance and excellent thermal insulation performance. A low thermal conductivity microporous powder is used as main raw material, while reinforcing agent, plasticizer and porosity agent are added to form microporous thin-layer units, and each thin-layer unit is bonded and laminated to make a laminated thermal insulation material. The thermal conductivity of the finished products is as low as 0.02˜0.05 W/m·k, with good thermal insulation and mechanical properties, which can be used in a temperature range below 1000° C., with better thermal insulation and energy-saving effect and toughness than ordinary thermal insulation materials, significantly reducing the thickness of the insulation layer, and can be widely used in industrial furnaces, thermal engineering devices, insulation pipes and other fields.

Abstract: A hydroformylation catalyst, a preparation method thereof and a use thereof. The hydroformylation catalyst including an active component and a carrier carrying the active component, wherein the active component includes a transition metal as a center atom, and a polyhydroxy aromatic ring group bonded to the transition metal; and the transition metal and the polyhydroxy aromatic ring groups are bonded by at least one of metal-hydroxyl coordination bond and at least one of metal-oxygen covalent bond, and the active component has at least one of the metal-hydroxyl coordination bond and at least one of the metal-oxygen covalent bond.

Abstract: A backlight module and a display device are provided. The backlight module includes: a light source unit; a light guide plate, for guiding light to a display panel; an optical component for uniformly irradiating the display panel; and a back plate, at least including a bottom plate, for accommodating the light guide plate, the light source unit, and the optical component. The light guide plate and the optical component are provided with a hole penetrating through the two, a part of the back plate at the hole is bent and inserted into the hole to form a side wall, a side end surface of the optical component close to the hole is inclined regarding an axis of the hole, and an annular light-shielding structure is around a top surface of the hole.

Abstract: Embodiments of the present disclosure provide a pixel circuitry and a drive method thereof, an array substrate, and a display panel. The pixel circuitry includes a shift register unit, an inverter, and a pixel driving circuit. The shift register unit is configured to provide a first drive signal under the control of an enable signal, a first clock signal, and a second clock signal. The inverter is configured to invert the first drive signal to generate a second drive signal. The pixel driving circuit is configured to control a light emitting device according to the first drive signal and the second drive signal.

Abstract: Disclosed is a foldable mobile terminal including: a flexible panel including a bending section, a first and second flat sections located on two sides of bending section; a first and second support housings, first and second support housings are respectively connected with backsides of first and second flat sections; a multi-rod mechanism located on backside of bending section, connected with first and second support housings, the multi-rod mechanism including support rods arranged in parallel and adjacent to each other, and extending along a bending axis of the bending section, a connection structure arranged corresponding to a same end of two adjacent support rods, the connection structure includes a first bushing pivoted with one of two adjacent support rods, axially limited in position, and a second bushing installed on other support rod of two adjacent support rods, axially limited in position, the first bushing is retractably connected with the second bushing.

Abstract: The present application relates to a fingerprint identification module and a display device. The fingerprint identification module includes: a first lens assembly; a second lens assembly with a primary optical axis not parallel to a primary optical axis of the first lens assembly; a reflecting mirror assembly, including a reflecting mirror and a rotating shaft coupled to the reflecting mirror, wherein the rotating shaft can drive the reflecting mirror to rotate, and the reflecting mirror includes a reflecting surface; and a light-sensitive element located at a light exiting side of the second lens assembly.

Abstract: A data transmission circuit board, a mobile industry processor interface and a device are provided. The data transmission circuit board includes: a wiring substrate; a plurality of data transmission line pairs on one side of the wiring substrate; and a plurality of transient voltage suppression diodes on the one side of the wiring substrate. Data transmission lines of the data transmission line pairs are coupled to the transient voltage suppression diodes in a one-to-one correspondence, the line width of at least one data transmission line is within a line width threshold range; and the transient voltage suppression diode is configured to discharge when a voltage to ground on the corresponding data transmission line is greater than a discharge voltage threshold, wherein the discharge voltage threshold is not less than a maximum voltage value of the differential signal transmitted on the data transmission line.

Abstract: A method for adjusting the signal frequency includes: acquiring a first number of times of outputting a reference signal at an active level within a reference duration, wherein a correlation between a frequency of the reference signal and temperature is less than a reference correlation threshold, the reference duration is negatively correlated with a frequency of a clock signal, a correlation between a frequency of a clock signal and temperature is greater than the reference correlation threshold, and a drive signal for driving a display device to display an image is generated based on the clock signal; acquiring a target adjustment value based on the first number of times if the first number of times is different from a reference number of times; and controlling and adjusting the frequency of the output clock signal based on the target adjustment value.

Abstract: Disclosed is a foldable mobile terminal including: a flexible panel including a bending section, a first and second flat sections located on two sides of bending section; a first and second support housings, first and second support housings are respectively connected with backsides of first and second flat sections; a multi-rod mechanism located on backside of bending section, connected with first and second support housings, the multi-rod mechanism including support rods arranged in parallel and adjacent to each other, and extending along a bending axis of the bending section, a connection structure arranged corresponding to a same end of two adjacent support rods, the connection structure includes a first bushing pivoted with one of two adjacent support rods, axially limited in position, and a second bushing installed on other support rod of two adjacent support rods, axially limited in position, the first bushing is retractably connected with the second bushing.

Abstract: This disclosure discloses a display device including: a display panel; a backlight module including a light-emitting diode group; the display panel including a first substrate and a second substrate successively along the direction from the backlight module, wherein the first substrate includes an exposed area which is not covered by the second substrate, and an orthographic projection of the light-emitting diode group on the first substrate lies in the exposed area; a protective cover plate on the light exit side of the display panel; a housing on the side of the backlight module away from the display panel, and is grounded; and a conductive structure, wherein an orthographic projection of the conductive structure on the first substrate at least partially overlaps with the orthographic projection of the light-emitting diode group on the first substrate, and the conductive structure connects the protective cover plate with the housing.

Abstract: A flexible display panel and a flexible display device are provided. The flexible display panel includes a flexible screen layer and an elastic support layer; the flexible screen layer and the elastic support layer are stacked; the elastic support layer includes a support mechanism and an elastic mechanism, the support mechanism is configured to support the flexible screen layer and is rollable, and the elastic mechanism is configured to generate an anti-rolling elastic force to maintain flatness of the flexible screen layer if the flexible screen layer is unrolled.

Abstract: This disclosure discloses a display device including: a display panel; a backlight module including a light-emitting diode group; the display panel including a first substrate and a second substrate successively along the direction from the backlight module, wherein the first substrate includes an exposed area which is not covered by the second substrate, and an orthographic projection of the light-emitting diode group on the first substrate lies in the exposed area; a protective cover plate on the light exit side of the display panel; a housing on the side of the backlight module away from the display panel, and is grounded; and a conductive structure, wherein an orthographic projection of the conductive structure on the first substrate at least partially overlaps with the orthographic projection of the light-emitting diode group on the first substrate, and the conductive structure connects the protective cover plate with the housing.

Abstract: A foldable flexible screen terminal includes: at least two screen terminal portions and a rollable flexible member, two adjacent screen terminal portions being connected by the rollable flexible member, the rollable flexible member including a plurality of flexible member units and a plurality of bellows structures, each of the plurality of bellows structures being foldable and unfoldable, the plurality of bellows structures including a plurality of first bellows structures, and two adjacent flexible member units being connected by one of the plurality of first bellows structures.

Abstract: Disclosed are a display apparatus and a brightness adjustment method for the display apparatus, which relate to the technical field of display. The display apparatus is configured to enable display of a display screen to be uniform, thus improving the display effect. The method comprises: determining a first total display duration of a first sub-screen of the display screen, and determining a second total display duration of a second sub-screen of the display screen; determining that the first total display duration and the second total display duration meet a preset condition; and adjusting a driving current of the first sub-screen to a first target driving current, and/or adjusting a driving current of the second sub-screen to a second target driving current, such that a difference between the display brightness of the first sub-screen and the display brightness of the second sub-screen is within a pre-determined difference range.

Abstract: The present invention discloses a selective hydrogenation catalyst and a preparation method and an application thereof, belonging to the technical field of catalysts. The selective hydrogenation catalyst comprises an active component and a carrier for supporting the active component, wherein the active component is a transition metal particle, the carrier is modified by a flexible chain ligand in advance, one end of the flexible chain ligand is uniformly distributed on the surface of the carrier, and the other end of the flexible chain ligand is coordinated on a transition metal. When the catalyst is used for catalytic hydrogenation reaction of dehydrolinalool or 2-methyl-3-butyn-2-ol, the stability is good, the catalyst still has high selectivity after being used for a long time, and the quality of a hydrogenation product can be guaranteed.

Abstract: The invention discloses a device for simulating an evolution process of an internal combustion engine exhaust particle flow for reducing automotive emissions, and the device comprises an exhaust source; an exhaust channel, comprising a plurality of sections of cylindrical tubes with specified length that are fixedly connected; a soluble organic compound generator, used to produce soluble organic compounds; a carbon particle generator, used to produce carbon particles. The device for simulating the evolution process of an internal combustion engine exhaust particle flow for reducing automotive emissions has the advantages of simple structure and low cost; controls the mixing concentration of soot particles and soluble organic compounds through various adjustment methods to obtain a suitable mixed aerosol, so as to better simulate the exhaust particle flow of an internal combustion engine.

Abstract: The invention discloses a method for transmitting additional information using linear block codes, which comprises the following steps: when encoding: a linear block code C with a code length of n and an information bit length of k is used as a payload code, to embed an additional information sequence v of length m by superposition coding and resulting into a codeword c of length n. When decoding, firstly decode the additional information according to the received sequence y: select an additional information sequence with the largest characteristic metric function value as the decode output. Then perform payload information sequence decoding: remove the interference of superposition sequence ? from the received sequence y, and then use the basic linear block code C decoder to decode.