Abstract: A recombinant collagen and a preparation method and use thereof, and in particular, a full-length collagen ?1 chain produced through recombinant expression, and a preparation method and use thereof are provided. When a variant (which is denoted as ?1 (I) M1) of a human type I collagen ?1 chain (?1 (I) chain) and a variant (which is denoted as ?1 (II) M6) of a human type II collagen ?1 chain (?1 (II) chain) constructed in the present disclosure are produced through recombinant expression in Pichia pastoris, a main degradation product (a main degradation band) in substantially the same proportion as a target product (a target band) of a full-length ?1 chain occurring during the recombinant expression of native full-length ?1 (I) chain and ?1 (II) chain is eliminated, and a yield of the target product is improved.

Abstract: A control apparatus used in a microgrid system, a control method, and a microgrid system. The control apparatus is configured to communicatively connect to M converters and a point of interconnection switch, where M?1, and a microgrid bus is configured to connect to an external grid via the point of interconnection switch. The control apparatus is configured to: if a quantity of converters that switch to a voltage source mode at a third moment is greater than or equal to the first threshold, control the point of interconnection switch to be turned off, and control the M converters to operate in the voltage source mode; otherwise, control the M converters to operate in a current source mode.

Abstract: A recombinant collagen and a preparation method and use thereof, and in particular, a full-length collagen a1 chain produced through recombinant expression, and a preparation method and use thereof are provided. When a variant (which is denoted as a1 (I) M1) of a human type I collagen a1 chain (a1 (I) chain) and a variant (which is denoted as a1 (II) M6) of a human type II collagen a1 chain (a1 (II) chain) constructed in the present disclosure are produced through recombinant expression in Pichia pastoris, a main degradation product (a main degradation band) in substantially the same proportion as a target product (a target band) of a full-length a1 chain occurring during the recombinant expression of native full-length a1 (I) chain and a1 (II) chain is eliminated, and a yield of the target product is improved.

Abstract: Disclosed herein natural gas power generating systems comprising a post-combustion carbon capture (PCC) unit configured to remove carbon dioxide from a waste gas to create a flue gas, a direct air capture (DAC) unit configured to adsorb carbon dioxide from an atmospheric gas, and a compression unit configured to receive at least one of: (i) carbon dioxide gas from the first carbon dioxide rich outlet line and (ii) carbon dioxide gas from the second carbon dioxide rich outlet line to create a compressed carbon dioxide product. The DAC unit can further generate steam using a heat exchange with steam generated by a HRSG. The DAC unit can further comprise a sorbent module containing the sorbent bed. The sorbent module can have a carbon capture state configured to adsorb carbon dioxide and a regeneration state configured to contact steam with the sorbent bed.

Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

Abstract: A side-type backlight module includes a light guide plate and a reverse prism sheet that are stacked. The reverse prism sheet includes a first prism. A surface of the first prism proximate to the light guide plate includes a plurality of prism structures substantially parallel to each other. Each prism structure protrudes toward a direction approaching the light guide plate. A surface of the light guide plate proximate to the reverse prism sheet includes a plurality of strip-shaped microstructures substantially parallel to each other. Each strip-shaped microstructure protrudes toward a direction approaching the reverse prism sheet. An extending direction of the prism structure crosses an extending direction of the strip-shaped microstructure.

Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

Abstract: The present disclosure provides a floating touch camera module, a display device and a touch method. The floating touch camera module includes: a lens with a light collection surface and a light emitting surface; an image sensor at one side of the light emitting surface of the lens, the image sensor configured to receive light rays from the lens and form sensing information; and an infrared cut filter film at one side of a light incident surface of the image sensor and configured to filter out infrared light rays. The infrared cut filter film is movable relative to the lens between a first position at which the infrared cut filter film directly faces the lens and a second position at which the infrared cut filter film is offset from the lens, thereby enabling the floating touch camera module to switch between a photographing mode and a touch mode.

Abstract: The present disclosure provides an anti-peep film and a manufacturing method thereof, and a display module. The anti-peep film includes a plurality of transmission areas and a plurality of anti-peep areas, and the plurality of transmission areas and the plurality of anti-peep areas are alternately arranged in a direction perpendicular to a thickness direction of the anti-peep film. At least one anti-peep area of the plurality of anti-peep areas has a set structure, and the set structure enables that light incident on the at least one anti-peep area from a first side in the thickness direction of the anti-peep film is reflected back to the first side through the at least one anti-peep area.

Abstract: A side-type backlight module includes a light guide plate and a reverse prism sheet that are stacked. The reverse prism sheet includes a first prism. A surface of the first prism proximate to the light guide plate includes a plurality of prism structures substantially parallel to each other. Each prism structure protrudes toward a direction approaching the light guide plate. A surface of the light guide plate proximate to the reverse prism sheet includes a plurality of strip-shaped microstructures substantially parallel to each other. Each strip-shaped microstructure protrudes toward a direction approaching the reverse prism sheet. An extending direction of the prism structure crosses an extending direction of the strip-shaped microstructure.

Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

Abstract: An anti-peeping module provided by an embodiment of the application includes a plurality of light transmitting films, each including at least two light transmitting sub-films having different refractive indexes which are disposed in a laminated manner, and a first optical path modulating layer on one side of the plurality of light transmitting films, the first optical path modulating layer comprising a plurality of zigzag structures, the and being configured to allow light entering into the plurality of light transmitting films at a Brewster incident angle to exit from the anti-peeping module in a travelling direction perpendicular to a plane where the anti-peeping module is located.

Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

Abstract: The present disclosure discloses a fingerprint identification method and apparatus, an electronic device, and a computer-readable storage medium. The fingerprint identification method includes: acquiring a touch position of an object on a display panel comprising a backlight module having a plurality of light emitting elements arranged into an array, in response to the object on the display panel; lighting at least one of the plurality of light emitting elements according to the touch position; collecting fingerprint information from the display panel, wherein the fingerprint information is obtained based on light which is emitted by the at least one lit light emitting element and is reflected by the object; and performing fingerprint identification according to the fingerprint information.

Abstract: A liquid crystal display apparatus is disclosed. The liquid crystal display apparatus includes: a liquid crystal display panel; an infrared transmitting reflector plate configured to transmit an infrared light and reflect a visible light; an infrared source configured to emit an infrared light which is to be transmitted through the infrared transmitting reflector plate and the liquid crystal display panel to a fingerprint to be identified on a light exit side of the liquid crystal display panel; and a fingerprint identification module disposed on the side of the infrared transmitting reflector plate facing away from the liquid crystal display panel, and configured to receive a part of the infrared light emitted by the infrared source. The part of the infrared light being reflected by the fingerprint to reach the fingerprint identification module through the liquid crystal display panel and the infrared transmitting reflector plate for performing a fingerprint identification.

Abstract: An optical film, a backlight module having an optical film and a display device are provided according to the present disclosure. The optical film includes: a polarizing film configured to convert incident light into polarized light and transmit the polarized light; and a diffusion film arranged on the polarizing film and including scattering particles capable of forming Rayleigh scattering. The backlight module includes the optical film and a light source, where the light source is arranged at a side of the polarizing film far away from the diffusion film.

Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

Abstract: The present disclosure discloses a fingerprint identification method and apparatus, an electronic device, and a computer-readable storage medium. The fingerprint identification method includes: acquiring a touch position of an object on a display panel comprising a backlight module having a plurality of light emitting elements arranged into an array, in response to the object on the display panel; lighting at least one of the plurality of light emitting elements according to the touch position; collecting fingerprint information from the display panel, wherein the fingerprint information is obtained based on light which is emitted by the at least one lit light emitting element and is reflected by the object; and performing fingerprint identification according to the fingerprint information.