Abstract: Embodiments provide a backlight control method and device and a liquid crystal display device, which relate to the liquid crystal display field and are used to achieve the purposes of meeting the requirements on different image quality enhancements in different display regions of the liquid crystal screen and improving the display quality and the sense of display layering of pictures. The method comprises: dividing n backlight subregions into m backlight regions; acquiring an average backlight value of each backlight region among the m backlight regions; searching, from a pre-acquired gain search table, a gain value corresponding to the average backlight value of each backlight region among the m backlight regions; adjusting backlight values of backlight subregions contained in each backlight region correspondingly according to the gain value corresponding to each backlight region; and outputting adjusted backlight values of the n backlight subregions.

Abstract: Certain aspects of the disclosure relates to a laser beam collimation apparatus and a manufacturing method thereof. In one exemplary embodiment, the laser beam collimation apparatus includes a laser and a collimating lens disposed opposite the laser, in which the laser is mounted on a laser seat, and the collimating lens is mounted on a collimating lens seat. A transparent rigid ring is provided between the collimating lens seat and the laser seat, and at least one gap is provided between the transparent rigid ring and the laser seat and between the transparent rigid ring and the collimating lens seat, and the at least one gap is filled with a photosensitive adhesive, wherein the at least one gap comprises at least one of a first gap between the transparent rigid ring and the laser seat and a second gap between the transparent rigid ring and the collimating lens seat.

Abstract: Provided is a socket including a socket body and a jack, wherein a network communication module is arranged inside the socket body; and the network communication module is connected with a mains line; and the network communication module is configured to provide a user with transmission of a network signal of the Internet through the mains line. The network communication module is arranged inside the socket body to provide the user with transmission of the network signal of the Internet through the mains line, so that the function to access the Internet through the mains line by means of the socket is enabled, to thereby address the problems of one of limited jack locations occupied, a part of an indoor space occupied and some of resources wasted for a wall-plugged power modem.

Abstract: A method and apparatus for transmitting data in an Android platform based terminal device are provided. In the method, when the terminal device establishes a connection for data transmission with another device over a USB, the terminal device transmits data in an internal storage of the terminal device to the another device based upon a file transfer protocol and receives and writes into the internal storage data transmitted from the another device based upon the file transfer protocol; and the terminal device transmits data in an external storage of the terminal device to the another device in a UMS mode and receives and writes into the external storage data transmitted from the another device in the UMS mode.

Abstract: Disclosed are a virtual viewpoint combination method and device in a multi-viewpoint video, improving the quality of the virtual viewpoint images and improving the display effects of the virtual viewpoint images under the premise of not introducing geometrical distortion. The method includes: taking two viewpoint images provided by a first camera and a second camera as reference viewpoint images, and respectively performing 3D image conversion, pinhole filling, image compensation and image convergence processing on the two viewpoint images to obtain a main virtual viewpoint image; then respectively performing depth-image processing, 3D image conversion, pinhole filling, image compensation and image convergence processing on the two viewpoint images to obtain a subordinate virtual viewpoint image; and performing filling the remaining holes in the main virtual viewpoint image on the basis of the subordinate virtual viewpoint image to obtain a final virtual viewpoint image to be combine.

Abstract: In one embodiment of the present invention, an overdrive (OD) method includes: acquiring a display grayscale value of a current frame within a display grayscale range; obtaining a target grayscale value of the current frame within a target grayscale range according to the display grayscale value of the current frame, where a minimum target grayscale value is larger than a minimum display grayscale value, and/or a maximum target grayscale value is smaller than a maximum display grayscale value, and each display grayscale value within the display grayscale range correspond one by one to one target grayscale value within the target grayscale range; and obtaining a system grayscale value of the current frame according to the target grayscale value of the current frame and a display grayscale value or a system grayscale value of a previous frame, and outputting a corresponding gamma voltage according to the system grayscale value.

Abstract: There are provided a method and apparatus for displaying a preview image and a storage medium. The method includes: acquiring frames of image data when there is a need to display a preview image; weighting and processing a frame of image data currently acquired and frames of image data acquired recently for a number M of times to obtain the preview image, wherein M is a positive integer; and displaying the preview image.

Abstract: An optical module, including a PCB, an optical component arranged on the PCB, and an optical fiber coupled with the optical component through an optical lens module, further including a fixed bracket, a lens bracket detachably connected with the fixed bracket, and a fiber bracket detachably connected with the lens bracket, the fixed bracket is fixed on the PCB, the optical lens module is arranged on the lens bracket, the optical fiber is arranged on the fiber bracket, and the optical component is located between the fixed bracket and the lens bracket, the fixed bracket is provided with at least two positioning parts, the lens bracket is provided with positioning parts matching respectively the positioning parts of the fixed bracket to achieve detachable connection. The optical path coupling is achieved through the mechanical fixation among multiple brackets, working process is simplified, and coupling consistency and accuracy are improved.

Abstract: Provided is a socket including a socket body and a jack, wherein a network communication module is arranged inside the socket body; and the network communication module is connected with a mains line; and the network communication module is configured to provide a user with transmission of a network signal of the Internet through the mains line. The network communication module is arranged inside the socket body to provide the user with transmission of the network signal of the Internet through the mains line, so that the function to access the Internet through the mains line by means of the socket is enabled, to thereby address the problems of one of limited jack locations occupied, a part of an indoor space occupied and some of resources wasted for a wall-plugged power modem.

Abstract: In one aspect, a TV set is provided. A base includes two supporting mounts. One end of the first supporting mount is rotatably connected with a back side of a display screen assembly. The second supporting mount includes two supporting arms symmetrically disposed on two sides of the first supporting mount. One end of each supporting arm is rotatably connected with the first supporting mount respectively at a rotatory connection point. When the base is in a supporting state, for each supporting arm, a triangular supporting structure is formed by the rotatory connection point, the other end of the first supporting mount, and the other end of the supporting arm. When the base is in a retracted state, the first supporting mount is attached to the back side of the display screen assembly, and the second supporting mount is superimposed on an outer side wall of the first supporting mount.

Abstract: In one embodiment of the present invention, an overdrive (OD) method includes: acquiring a display grayscale value of a current frame within a display grayscale range; obtaining a target grayscale value of the current frame within a target grayscale range according to the display grayscale value of the current frame, where a minimum target grayscale value is larger than a minimum display grayscale value, and/or a maximum target grayscale value is smaller than a maximum display grayscale value, and each display grayscale value within the display grayscale range correspond one by one to one target grayscale value within the target grayscale range; and obtaining a system grayscale value of the current frame according to the target grayscale value of the current frame and a display grayscale value or a system grayscale value of a previous frame, and outputting a corresponding gamma voltage according to the system grayscale value.