Abstract: The present application provides a light-pipe adjusting apparatus comprising: a first support; a light-pipe component, slidably connected to the first support via a first rail; and a first drive device, provided on the first support and connected to the light-pipe component for driving the light-pipe component to slide along the first rail. The present application can improve the accuracy and reliability of the position adjustment of the light-pipe component.

Abstract: The disclosure discloses a light source assembly and a laser projector. An embodiment of the disclosure provides a light source assembly including a laser light emitter in at least one color, and a light guiding element arranged in a light path over which a light beam of the laser light emitter is transmitted; the light guiding element is configured to be moved to change the emergent angle of laser light beam being transmitted, thus adjusting the light path conveniently.

Abstract: Some embodiments of the application disclose a method of previewing an image on a terminal, including: starting at least one camera of a rear dual camera of the terminal, controlling the at least one camera to enter a low-power monitor state; obtaining brightness information and color temperature information of the current scene using the at least one camera in the low-power monitor state; updating in real time automatic exposure parameters of the current scene using the obtained brightness information, and updating in real time color temperature parameters of the current scene using the obtained color temperature information; obtaining an image of the current scene using a camera upon reception of an instruction for starting the camera; correcting color temperature and brightness of the obtained image using the color temperature and automatic exposure parameters of the current scene updated in real time; and outputting the corrected image as a preview image.

Abstract: According to the method provided by some embodiments of the present disclosure, under different gray-scale voltages, the liquid crystal deflection directions of liquid crystal molecules are different, such that when a first frame is displayed, the deflection difference between the deflection direction of the liquid crystal molecules in the pixel structure in the liquid crystal display screen and the deflection direction when a second frame is displayed is increased, after human eyes view the displayed first frame and second frame, an image obtained after the first frame and the second frame are displayed may be observed at different viewing angles, and at this time, the viewing angle of the liquid crystal display screen is increased on the premise of not increasing the number of sub-domains in the pixel structure of the liquid crystal display screen.

Abstract: A TV set including a liquid crystal panel, a processor-readable storage medium storing instruction units for providing the TV set functions to control backlight of the liquid crystal panel; and one or more processors in communication with the storage medium to execute the instruction units, wherein the instruction units include: an image information amount determining unit (102); the backlight gain retrieving unit (104); a backlight value extracting unit (106); the backlight value processing unit (108); and a backlight value transmitting unit (110). Correspondingly a method of controlling backlight of a liquid crystal panel is further disclosed. In the technical solution of the disclosure, a backlight modulation coefficient can be modulated dynamically according to the amount of image information to perform backlight enhancement on an image with a large amount of information.

Abstract: The disclosure relates to the field of displaying a projected picture, and particularly to a projection device, and a method for adjusting a projected picture. In an embodiment of the disclosure, the method includes: acquiring an image of a physical screen through a camera, and determining a projection of the physical screen onto a vision plane of the camera; determining rotation parameters and translation parameters of the projection device according to the vision plane and the projection of the physical screen; and adjusting the projection device according to the rotation parameters and the translation parameters of the projection device.

Abstract: This disclosure provides a laser speckle-removing optical component, including a beam-shrinking lens group and a diffusion sheet arranged on a laser emergent optical path, where the beam-shrinking lens group includes a first beam-shrinking lens and a second beam-shrinking lens, and the diffusion sheet is located between the first beam-shrinking lens and the second beam-shrinking lens. The arrangement of the diffusion sheet between the first beam-shrinking lens and the second beam-shrinking lens, increases the area of speckles received by the diffusion sheet component, reduces energy density of the light received, and is able to alleviate the accumulation phenomenon of dust particles on the diffusion sheet, therefore, alleviating light attenuation phenomenon, and prolonging the service life of the laser source. This disclosure also provides a double-color laser source, a three-color laser source and a laser projection equipment applying the above laser speckle-removing optical component.

Abstract: Embodiments of the present disclosure provide a light emitting device and display equipment. The light emitting device, includes a light emitting diode (LED) and an optical lens, the optical lens including a light incident surface and a light emergent surface, the light incident surface including a free-form convex surface; wherein there is a first angle between a symmetry axis and the connecting line between the center point of the light emitting surface and any point on the light incident surface, and the curvature of the light incident surface decreases with the increase of the first angle; there is a second angle between a symmetry axis and the connecting line between the center point of the light emitting surface and any point on the light emergent surface, and the curvature of the light emergent surface increases with the increase of the second angle.

Abstract: An apparatus for controlling liquid crystal display brightness includes: a subarea image grayscale determining section configured to determine image grayscale values of subarea image data blocks corresponding to backlight subareas according to a received image signal; a subarea backlight value pre-obtaining section configured to pre-obtain subarea backlight values corresponding to the subarea image data blocks according to the image grayscale values of the subarea image data blocks; a subarea backlight value gain section configured to multiply the pre-obtained subarea backlight values with a preset backlight value gain coefficient to obtain gained backlight values of the backlight subareas, wherein the preset backlight value gain coefficient is more than 1; and a subarea backlight value outputting section configured to output the respective gained subarea backlight values to driver circuits of backlight sources in the corresponding backlight subareas to control the brightness of the backlight sources in the c

Abstract: Disclosure includes a method and apparatus for adjusting a photo-taking direction, including: starting a back camera of a mobile terminal, and entering a photo-taking mode; determining that the mobile terminal is in a horizontal posture, and starting a front camera of the mobile terminal to obtain a human face image of a user; extracting a corresponding first feature point, a corresponding second feature point, and a corresponding third feature point respectively from a first human face organ, a second human face organ, and a third human face organ in the human face image; and determining whether an imaging direction of an image obtained by the back camera agrees with a target photo-taking direction of the back camera, and adjusting the imaging direction of the image obtained by the back camera to the target photo-taking direction of the back camera in the event that they do not agree with each other.

Abstract: A back plate component applicable to a display device is disclosed, wherein at least one reinforcement piece is arranged on the back plate component, the reinforcement piece is left-and-right symmetric with respect to a central axis of a length of the back plate component, and a width of the reinforcement piece in a direction of the central axis of the length is decremented from a middle to both of the sides thereof, wherein the central axis of the length of the back plate component is a central axis perpendicular to a length direction of the back plate component and parallel to a width direction of the back plate component.

Abstract: Disclosed is a character inputting method, device and an intelligent terminal, the method including: when a virtual key in a virtual on-screen keyboard layout is selected, invoking a first probability statistical table matching at least one character having been displayed by at least one virtual key having been selected; displaying a part of the candidate characters with the highest combination probabilities or all of the candidate characters in the invoked first probability statistical table respectively on virtual keys in the virtual on-screen keyboard layout, and resetting focus on a preset virtual key, wherein any candidate character displayed on a virtual key configured with higher level has higher combination probability; and performing operations above periodically until an ideogram or a character sequence to be input is selected, and inputting the selected ideogram or the character sequence selected in an input area.

Abstract: The present disclosure relates to the field of optical communication, particularly to an optical module. An optical module according to embodiments of the disclosure includes: a laser device including an emission region, and a modulation region to which light emitted by the emission region is transmitted; a bias circuit connected with the emission region, configured to drive the emission region to emit light at stable optical power; a modulation circuit connected with the modulation region, configured to drive the modulation region, so that the modulation region varies the optical power of the light emitted from the emission region; and a semiconductor optical amplifier configured to receive the light from the modulation region, and to vary the optical power of the light.

Abstract: This application provides a TV screenshot method and an associated television (TV). The method includes: upon receiving a screenshot request, acquiring a layer range of On Screen Display (OSD) sub-layers corresponding to windows of every application displayed on an OSD layer; and generating the screenshot image by taking a snap shot of the OSD sub-layers in the layer range. This application can prevent unwanted system notification information image from being captured when a snap shot is taken.

Abstract: The disclosure discloses a mobile terminal, a DC-charging power source adaptor, and a charging method, the mobile terminal comprising: a battery configured to store electrical energy; a USB interface configured to be engaged with an external device; and a microprocessor configured to determine whether two differential data pins of the USB interface are shorted, upon detecting an external device being inserted into the USB interface; and if so, to communicate with the inserted external device, wherein if the external device is a DC-charging power source adaptor, then the DC-charging power source adaptor switches two communication pins of a charging interface thereof from being shorted by default to being disconnected, and communicates with the microprocessor; and the microprocessor detects voltage of the battery after communicating successfully with the DC-charging power source adaptor, and if the voltage of a battery core lies in a range delimited by preset DC-charging thresholds, then the microprocessor cont

Abstract: Disclosed are a controlling device and method for frequency synchronization as well as a LCD TV. The method is applied to an LCD TV, wherein the LCD TV includes a front-end motherboard chip, a main drive control chip and a plurality of column drive control chips, the method includes: when the main drive control chip recognizes that its operating frequency is unstable, it generates a clock turn-off signal; the main drive control chip transmits fixed data to each column drive control chip according to the clock turn-off signal and receives a clock training request initiated by each column drive control chip according to the fixed data; and when recognizing that the operating frequency synchronizes with a frequency corresponding to front-end data transmitted by the front-end motherboard chip, the main drive control chip responds to the clock training request and transmits clock training data to each column drive control chip.

Abstract: The light emitting device includes a light emitting diode and an optical lens, the optical lens includes a light incidence surface and a light exit surface, the light incidence surface includes a first light incidence surface and a second light incidence surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light incidence surface or the second light incidence surface, and the center of the light emission surface respectively belongs to [0.5, 0.7] or [0.683, 0.695]; and the convex surface includes a first light exit surface and a second light exit surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light exit surface or the second light exit surface, and the center of the light emission surface respectively belongs to [0.771, 0.913], or [0.883, 0.921].

Abstract: The present application provides a method for configuring a television audio format, a method for transparently transmitting audio and a television, where the method for configuring the television audio format includes: acquiring information regarding an audio format supported to be decoded by an external audio playing device; judging whether EDID information pre-stored in the television includes the information regarding the audio format supported to be decoded by the external audio playing device; if not, supplementing the EDID information with the information regarding the audio format supported to be decoded by the external audio playing device, where the supplemented EDID information is configured for a set top box connected to the television to determine whether to transparently transmit audio data or not based on the supplemented EDID information. The present application can avoid a loss in a tonal quality and improve a tonal quality effect of playing.

Abstract: Disclosed is a method for controlling an embedded system and a device with an embedded system, the method including: transmitting, by a scheduling process of the embedded system, a standby instruction to a master process of the embedded system; releasing, by the master process, occupied hardware resource and exiting upon reception of the standby instruction; starting, by the scheduling process, a standby process of the embedded system after the master process exits; and controlling, by the standby process, the embedded system to enter a standby state.

Abstract: Embodiments of the disclosure provide a quantum dot light emitting device and a backlight module, where the quantum dot light emitting device includes: a quantum dot film including a plurality of quantum dots; a backlight source configured to emit light rays in a first band to the quantum dot film to excite the plurality of quantum dots to emit light rays in a second band; a wavelength selector, arranged between the quantum dot film and the backlight source, configured to transmit the light rays in the first band, and to reflect the light rays in the second band emitted by the quantum dot film to the wavelength selector; and a groove-shaped bracket including two side brackets arranged opposite to each other, and a bottom plate connected between the two side brackets, wherein the backlight source is fixed on the bottom plate, and both ends of the quantum dot film and the wavelength selector are arranged on the two side brackets.