Abstract: Provided are a camera and an electronic device. The camera comprises a camera body (1) and an electrically-controlled liquid crystal light-adjusting layer (13), wherein a lens (11) is provided in the camera body (1), and the electrically-controlled liquid crystal light-adjusting layer (13) is correspondingly arranged outside the lens (11) and configured to allow the lens (11) to receive outside light through the electrically-controlled liquid crystal light-adjusting layer (13); the electrically-controlled liquid crystal light-adjusting layer (13) is electrically connected to the camera body (1) through a switch (14). In the camera provided by embodiments of the present disclosure, an electrically-controlled liquid crystal light-adjusting layer (13) is provided on the front of the lens (11); in a case in which the electrically-controlled liquid crystal light-adjusting layer (13) is turned off, it is not possible to take pictures even if the camera (1) is manipulated by a hacker or a trojan-horse program.

Abstract: The present invention provides a backlight control method, a backlight control device and a display apparatus. The backlight control method comprises steps of: acquiring a backlight information and writing the backlight information into a backlight register of system on chip; obtaining a backlight adjusting data based on the backlight information in the backlight register; sending the backlight adjusting data to a backlight control register of a field-programmable gate array, so that the backlight control register obtains a corresponding backlight control register value based on the backlight adjusting data; and adjusting backlight according to the backlight control register value. By correlating backlight option function in the system on chip (SOC) with the field-programmable gate array (FPGA) panel, the users can accomplish the control of the displayed backlight through the menus displayed on the display apparatus. This improves the using experience of the users.

Abstract: Embodiments of the disclosure provide a test apparatus of a direct-light-type backlight module. The test apparatus comprises: a light-emitting-element fixing unit, configured for fixing a light emitting element; an optical-element fixing unit, configured for fixing an optical element into an optical path of the light emitted from the light emitting element; and a test head (85), configured for testing the light emitted from the light emitting element and passing through the optical element.

Abstract: Provided are a common voltage adjustment circuit for a display panel and a display apparatus. The adjustment circuit comprises: a filter unit (101) configured to filter a PWM signal provided externally and provide a DC voltage signal obtained through the filtering to a first voltage clamp unit; a first voltage clamp unit (102) configured to adjust the DC voltage signal to obtain a first adjusted signal and provide the first adjusted signal to a feedback amplification unit; a feedback amplification unit (103) configured to amplify the first adjusted signal to obtain a first amplified signal and provide the first amplified signal to a second voltage clamp unit; and a second voltage clamp unit (104) configured to adjust the first amplified signal to output a second adjusted signal and provide the voltage value of the second adjusted signal to the display panel.

Abstract: A display device includes a display screen and a frame disposed around the display device, an infrared receiver and a light guide member, wherein the light guide member has a securing surface through which the light guide member is secured to the frame, the light guide member further including a receiving end and a light exiting surface, the receiving end formed at a display side of the display device, a width of the receiving end in a direction perpendicular to the frame to which the light guide member is secured is narrower than a width of the light exiting surface in the direction. Only a narrower portion of the light guide member can be seen when a human being looks at the display device, thus improving display effect of the narrow frame of the display device.

Abstract: Embodiments of the present invention provide a backlight module and a liquid crystal display device. The backlight module comprises a light bar, a light guide plate and a reflector sheet. The light guide plate and the reflector sheet are adhered to each other. An anti-reflection structure is provided on at least one side of the light guide plate and/or the reflector sheet. The anti-reflection structure is used for reducing light reflected by the reflector sheet which is emitted from the light sources. The anti-reflection structure includes anti-reflection structures. A first anti-reflection structure is located on one side of the light guide plate and/or the reflector sheet close to the light bar, while a second anti-reflection structure is located on other sides of the light guide plate and/or the reflector sheet. The present invention may improve the luminescence uniformity of the backlight module.

Abstract: The present invention provides a power supply circuit for supplying power for a display device, the display device comprising a standby module and a plurality of functional modules, the power supply circuit comprising a power supply module; a plurality of transformer modules, receiving a power voltage provided by the power supply module, and converting the power voltage into working voltages provided to the plurality of functional modules; and a switch module, connected between the power supply module and the plurality of transformer modules, for controlling the power supply module to provide the power voltage to the plurality of transformer modules, wherein the power supply module supplies power to the standby module directly, and supplies power to the plurality of functional modules through the plurality of transformer modules.

Abstract: A support assembly and a display device are provided. The support assembly comprises a support frame (3) and a carrier frame (1) provided at an upper end of the support frame (3). The carrier frame (1) comprises a lower connecting member (12) and an upper connecting member (11) which are connected through a rotating shaft (13). The lower connecting member (12) is fixed to the upper end of the support frame (3), and the upper connecting member (11) comprises an engagement structure. This support assembly is used to improve the detachability between the support assembly and the display.

Abstract: The invention discloses a backlight, a backlight module and a display device, belonging to the field of display technology. The backlight includes a plurality of LED lamps, a flexible circuit board for supplying power to the LED lamps and a supporting plate for supporting the flexible circuit board, wherein the flexible circuit board is arranged below the LED lamps, and the supporting plate is arranged below the flexible circuit board and is in a bent shape. In the present invention, by designing the supporting plate to be in a bent shape, it is no longer required to have to employ the existing linear backlight with a single structure, and meanwhile, the contact area between the supporting plate and air is enlarged to improve the heat dissipation effect of the backlight.

Abstract: A display device is provided, comprising: a time sequence control board (300); and a back plate (100), comprising one main body and a plurality of edges, the time sequence control board (300) being attached to one of the edges of the back plate (100) with a connection member (200), the connection member (200) comprising a buckling part (210) and a connection part (220) connected with the buckling part, the buckling part (210) being used to buckle the time sequence control board (300), and the connection part (220) being connected with the edge of the back plate (100).

Abstract: A glasses holder including: a clamping unit for securing the glasses; a connection unit connected with the clamping unit and an optical device respectively, so that an eyeglass of the glasses secured by the clamping unit is parallel to an incident surface of optical lens of the optical device. The glasses holder is used for testing of related specs on TV performances, and can improve accuracy of test results.

Abstract: The present disclosure relates to a display technique and provides a multi-screen display apparatus comprising a plurality of display screens, wherein small signal earth wires of the plurality of display screens are connected with each other, large signal earth wires of the plurality of display screens are connected with each other, the small signal earth wires cause small signal grounds of the respective display screens to be connected with each other, and the large signal earth wires cause large signal grounds of the respective display screens to be connected with each other. The plurality of display screens share one power supply, and common-mode choke coils are disposed at signal input terminals of signal boards of the plurality of display screens. The present disclosure further provides a method for eliminating signal interferences in multi screens based on the multi-screen display apparatus.

Abstract: The present disclosure provides a direct-type backlight module and a display apparatus. The direct-type backlight module may comprise: a backplane; a plurality of LED lamps distributed in an array which are positioned on the backplane; a diffusion plate above the plurality of LED lamps; and multiple optical fibers connecting two adjacent LED lamps of the plurality of LED lamps, each optical fiber being provided with a plurality of light transmission openings distributed at intervals towards the diffusion plate along its extension direction. Wherein part of light emitted from each LED lamp can be propagated along the optical fiber and transmitted to the diffusion plate via the light transmission openings. The direct-type backlight module directs part of the light emitted from the LED lamps through the plurality of light transmission openings to the diffusion plate using the optical fibers, which changes the LED lamps in the form of point light sources into area light sources.

Abstract: A display device housing includes a body, the body is provided with a tuning cavity, the tuning cavity is configured for accommodating a loudspeaker of a display device, the tuning cavity is provided with an inverter tube therein, an opening of the inverter tube corresponds to a space at a rear side of the loudspeaker, and another opening of the inverter tube is provided toward a sound-emitting area of an outer wall of the body and communicates with outside of the housing. This display device housing resolves the problems that a display product is easily subjected to bloop, the sound being not loud enough and poor sound effect. Also a display device is provided.

Abstract: An ultra high definition display device and a video signal converting method are provided. The ultra high definition display device comprises a first input port configured to receive a first signal; a control module configured to generate a first enabling signal; a first receiver module configured to receive the first signal from the first input port according to the first enabling signal, and generate a second signal by a format conversion, both the first signal and the second signal being full high definition signals; a resolution transformation module configured to transform the second signal in resolution to generate a third signal, the third signal being an ultra high definition signal; and a transmission module configured to convert the third signal into an ultra high definition display signal and output the display signal.

Abstract: Provided are a common voltage adjustment circuit for a display panel and a display apparatus. The adjustment circuit comprises: a filter unit (101) configured to filter a PWM signal provided externally and provide a DC voltage signal obtained through the filtering to a first voltage clamp unit; a first voltage clamp unit (102) configured to adjust the DC voltage signal to obtain a first adjusted signal and provide the first adjusted signal to a feedback amplification unit; a feedback amplification unit (103) configured to amplify the first adjusted signal to obtain a first amplified signal and provide the first amplified signal to a second voltage clamp unit; and a second voltage clamp unit (104) configured to adjust the first amplified signal to output a second adjusted signal and provide the voltage value of the second adjusted signal to the display panel.

Abstract: Embodiments of the disclosure provide a test apparatus of a direct-light-type backlight module. The test apparatus comprises: a light-emitting-element fixing unit, configured for fixing a light emitting element; an optical-element fixing unit, configured for fixing an optical element into an optical path of the light emitted from the light emitting element; and a test head (85), configured for testing the light emitted from the light emitting clement and passing through the optical element.

Abstract: Provided are a camera and an electronic device. The camera comprises a camera body (1) and an electrically-controlled liquid crystal light-adjusting layer (13), wherein a lens (11) is provided in the camera body (1), and the electrically-controlled liquid crystal light-adjusting layer (13) is correspondingly arranged outside the lens (11) and configured to allow the lens (11) to receive outside light through the electrically-controlled liquid crystal light-adjusting layer (13); the electrically-controlled liquid crystal light-adjusting layer (13) is electrically connected to the camera body (1) through a switch (14). In the camera provided by embodiments of the present disclosure, an electrically-controlled liquid crystal light-adjusting layer (13) is provided on the front of the lens (11); in a case in which the electrically-controlled liquid crystal light-adjusting layer (13) is turned off, it is not possible to take pictures even if the camera (1) is manipulated by a hacker or a trojan-horse program.

Abstract: An information display method, an information display device, and a display apparatus are disclosed in the embodiments of the present invention. Sound information is acquired, and the acquired sound information is sent to the sound control register such that the sound control register obtains a corresponding sound control register value according to the sound information, the display information is obtained according to the sound control register value, and the display information is displayed. With the method according to the embodiment of the present invention, the sound information can be displayed, thereby improving user's usage perception.

Abstract: A method for detecting a synchronization signal of a display comprises: obtaining an actual V-sync frequency of the display, comparing the actual V-sync frequency with standard V-sync frequencies prestored in a standard synchronization signal table, and selecting a standard V-sync frequency as a candidate V-sync frequency so that difference between the candidate V-sync frequency and the actual V-sync frequency is within a first error range; obtaining an actual H-sync frequency of the display, comparing the actual H-sync frequency with standard H-sync frequencies in the standard horizontal synchronization signal sub-table which corresponds to the selected candidate V-sync frequency, and selecting a standard H-sync frequency as a correct H-sync frequency so that difference between the correct H-sync frequency and the actual H-sync frequency is within a second error range, thereby a resolution of the display is obtained.