Abstract: The disclosure discloses a preparation method and application of a non-noble metal single atom catalyst, and belongs to the technical fields of chemistry, chemical engineering and material science. According to the disclosure, cheap raw materials and simple method are used to prepare the single atom catalyst. In essence, metal is anchored on light-absorbing carrier in a single atom form under irradiation to produce the single atom catalyst. In the disclosure, the non-noble metal single atom catalyst is prepared by using a photochemical synthetic route for the first time. The single atom catalyst synthesized in the disclosure is dispersed on the surface of photoactive substance. Using nickel single atom as a co-catalyst in photocatalytic water splitting to produce hydrogen, the cost is low and the catalytic efficiency is greatly improved compared with other types of non-noble metal modified composite photocatalysts.

Abstract: The disclosure provides a display module and a wearable device. The display module includes a flexible display screen and a flexible printed circuit board. The flexible display screen includes a first side in a first direction and a second side in a second direction, the first side and the second side being each electrically connected to the flexible printed circuit board; and the flexible printed circuit board includes a first functional circuit and a second functional circuit, the first side being connected to the first functional circuit, and the second side being connected to the second functional circuit. The first direction is different from the second direction.

Abstract: The disclosure provides a display module and a wearable device. The display module includes a flexible display screen and a flexible printed circuit board. The flexible display screen includes a first side in a first direction and a second side in a second direction, the first side and the second side being each electrically connected to the flexible printed circuit board; and the flexible printed circuit board includes a first functional circuit and a second functional circuit, the first side being connected to the first functional circuit, and the second side being connected to the second functional circuit. The first direction is different from the second direction.

Abstract: The present disclosure relates to a support bracket, a backlight module, and a display screen. The support bracket is provided with a mounting cavity penetrating in a given direction, and includes a frame and a projecting member. The frame is connected to a light-emitting assembly in the backlight module. The projecting member is connected to the frame, projects towards the mounting cavity, and supports the light-emitting assembly in the backlight module. The projecting member is provided with a first light-transmission hole, and an axial direction of the first light-transmission hole is parallel to the given direction.

Abstract: The present disclosure relates an LCD display module and a mobile terminal, the LCD display module includes: a display screen and a flexible printed circuit led out from a top of the display screen, where the top of the display screen is provided with a recessed portion for accommodating a functional module of a mobile terminal, and the flexible printed circuit is provided with an opening at a position corresponding to the recessed portion.

Abstract: The present disclosure relates to a support bracket, a backlight module, and a display screen. The support bracket is provided with a mounting cavity penetrating in a given direction, and includes a frame and a projecting member. The frame is connected to a light-emitting assembly in the backlight module. The projecting member is connected to the frame, projects towards the mounting cavity, and supports the light-emitting assembly in the backlight module. The projecting member is provided with a first light-transmission hole, and an axial direction of the first light-transmission hole is parallel to the given direction.

Abstract: A display screen for an electronic device having an under-screen fingerprint collection component includes a substrate, and a color shifting layer arranged to the substrate The color shifting layer is made of a photochromic material. The color shifting layer covers at least a portion of the substrate corresponding to the under-screen fingerprint collection component.

Abstract: An electronic apparatus includes: a display panel having an opening, a first display area surrounding at least a portion of the opening, and a second display area different from the first display area; and a camera module disposed corresponding to the opening to obtain light through the opening. A display control method for the electronic apparatus includes: obtaining an ON/OFF state of the camera module; and adjusting a working state of the first display area in accordance with the ON/OFF state of the camera module, wherein the first display area is adjusted to a first state so as to shield at least a portion of light from entering the opening when the camera module is in ON state, and the first display area is adjusted to a second state when the camera module is in OFF state.

Abstract: An electronic apparatus includes: a display panel having an opening, a first display area surrounding at least a portion of the opening, and a second display area different from the first display area; and a camera module disposed corresponding to the opening to obtain light through the opening. A display control method for the electronic apparatus includes: obtaining an ON/OFF state of the camera module; and adjusting a working state of the first display area in accordance with the ON/OFF state of the camera module, wherein the first display area is adjusted to a first state so as to shield at least a portion of light from entering the opening when the camera module is in ON state, and the first display area is adjusted to a second state when the camera module is in OFF state.

Abstract: A method for displaying an image includes: acquiring a current total lighting duration of a display device, the current total lighting duration being a current value of a cumulative lighting duration of the display device from a first time the device is lit up; determining a first compensation voltage corresponding to the current total lighting duration of the display device according to a pre-stored corresponding relationship between a total lighting duration and a compensation voltage, the compensation voltage including a compensation sub-voltage corresponding to each color channel of the display device; and adjusting a driving voltage of each pixel of the display device based on the first compensation voltage during display of the image by the display device.

Abstract: Embodiments of the present invention disclose a network slice selection method, user equipment (UE), and a network device. An example method includes: obtaining, by UE, slice list information of a current network from a network device; and after determining a target service request, determining, by the UE based on the target service request, a target slice from the slice list information of the current network, to connect a service corresponding to the target service request to the target slice.

Abstract: A backlight module, including a light guide plate and a flexible circuit board, wherein an edge of the light guide plate is provided with plural light source mounting holes disposed along a thickness direction of the light guide plate; a light source is mounted in every light source mounting hole in such a manner that a light emitting surface of the light source is attached onto a hole wall of the light source mounting hole; plural groups of anode-cathode conductive parts are disposed on the flexible circuit board in one-to-one correspondence with the plural light source mounting holes, each being connected to an anode and a cathode of the light source in a corresponding light source mounting hole. The backlight module improves the brightness and uniformity of the light entering the light guide plate. A liquid display device including the above-mentioned backlight module is further provided.

Abstract: Embodiments of the present invention disclose a network slice selection method, user equipment (UE), and a network device. An example method includes: obtaining, by UE, slice list information of a current network from a network device; and after determining a target service request, determining, by the UE based on the target service request, a target slice from the slice list information of the current network, to connect a service corresponding to the target service request to the target slice.

Abstract: The present disclosure relates an LCD display module and a mobile terminal, the LCD display module includes: a display screen and a flexible printed circuit led out from a top of the display screen, where the top of the display screen is provided with a recessed portion for accommodating a functional module of a mobile terminal, and the flexible printed circuit is provided with an opening at a position corresponding to the recessed portion.

Abstract: A method for displaying an image includes: acquiring a current total lighting duration of a display device, the current total lighting duration being a current value of a cumulative lighting duration of the display device from a first time the device is lit up; determining a first compensation voltage corresponding to the current total lighting duration of the display device according to a pre-stored corresponding relationship between a total lighting duration and a compensation voltage, the compensation voltage comprising a compensation sub-voltage corresponding to each color channel of the display device; and adjusting a driving voltage of each pixel of the display device based on the first compensation voltage during display of the image by the display device.

Abstract: A backlight module and a display device. The backlight module comprises a plurality of light strips arranged along a first direction on a same plane, where each of the light strips extends along a second direction on the plane and comprises: a printed circuit board and a plurality of light sources. The printed circuit board comprises a first mounting surface and a second mounting surface which are opposite to each other and not parallel to the plane; the plurality of light sources is electrically connected with the printed circuit board and comprises a plurality of first light sources and a plurality of second light sources, where the first light sources are disposed on the first mounting surface of the printed circuit board, and the second light sources are disposed on the second mounting surface of the printed circuit board. The backlight module has relatively high brightness.

Abstract: According the embodiments of the present disclosure, the light guide plate includes a light guide plate body having an upper surface as a light-exiting surface. The light guide plate is provided at a side portion at least one notch, and a light-reflection layer is arranged at a surface of each notch. A wedge-shaped structure is arranged on a lower surface of the light guide plate body and adjacent to a bottom of each notch. The wedge-shaped structure has a first surface attached onto the lower surface of the light guide plate body, a second surface serving as a light-entering surface, and a third surface intersecting the first surface and the second surface and forming an acute angle relative to the first surface. A light-reflection layer is arranged on the third surface. A light source is arranged at a position on the lower surface of the light guide plate body adjacent to the second surface of the wedge-shaped structure.

Abstract: The present invention includes an anion exchange method that uses sulfate-containing acid mine drainage (AMD), or any sulfate containing water resource, to remove strontium, barium, and/or radium from contaminated water sources, such as but not limited to hydraulic fracturing waste water, flowback, and/or produced water, without requiring any external regenerant. The removal process may be adopted with any waste water or impaired water source containing sulfate anions.

Abstract: A backlight source for instrument includes a backlight source region and a pointer region. The backlight source region includes at least two sub-regions, each of which is provided with a backlight source independently. The pointer region is provided with an instrument pointer. When the instrument pointer is turned into one of the at least two sub-regions, the backlight source which corresponds to the sub-region emits light individually. Thus, the backlight source is saved and the energy consumption is reduced. Backlight sources corresponding to different sub-regions emit light of different colors, and the backlight sources of different colors are sequentially arranged according to warning degree and thus can have a warning function. Further, an operation method of backlight source for instrument and an instrument are further provided.

Abstract: A backlight module and a display device. The backlight module comprises a plurality of light strips arranged along a first direction on a same plane, where each of the light strips extends along a second direction on the plane and comprises: a printed circuit board and a plurality of light sources. The printed circuit board comprises a first mounting surface and a second mounting surface which are opposite to each other and not parallel to the plane; the plurality of light sources is electrically connected with the printed circuit board and comprises a plurality of first light sources and a plurality of second light sources, where the first light sources are disposed on the first mounting surface of the printed circuit board, and the second light sources are disposed on the second mounting surface of the printed circuit board. The backlight module has relatively high brightness.