Abstract: An outdoor sunshade umbrella and a method for using the same are provided. The outdoor sunshade umbrella includes: a supporting portion; a sunshade umbrella main body pivotally connected with the supporting portion; and a control portion. The control portion is used to control the supporting portion to automatically adjust a position of the sunshade umbrella main body according to a direction of sunlight and position information of an obscured object.

Abstract: The disclosure relates to the field of cycle technologies, and particularly to a wheel and a cycle. The wheel comprises a rim, a tire covering an outer periphery face of the rim, and a friction power device sandwiched between the rim and the tire; wherein the friction power device can produce a frictional current when pressed by the rim and/or the tire.

Abstract: The present disclosure provides a clamping device including a clamping device body, and a control module connected to the clamping device body, wherein the control module is configured to acquire cycling information and control locking and unlocking of the clamping device body based on the cycling information.

Abstract: A testing method for splicing screens is provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens, the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens so as to enable the splicing screens to display the corresponding testing sub pictures, and the testing sub pictures include testing contents; and testing the splicing screens through the testing contents, wherein the testing contents include a graduation signal, by which an accurate test is performed on the splicing screens.

Abstract: A testing method and a testing apparatus for splicing screens (1, 2, 3, 4) are provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens (1, 2, 3, 4), the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens (1, 2, 3, 4) so as to enable the splicing screens (1, 2, 3, 4) to display the corresponding testing sub pictures, and the testing sub pictures include testing contents (5, 6, 7, 8, 9, 10, 11, 12); and testing the splicing screens (1, 2, 3, 4) through the testing contents (5, 6, 7, 8, 9, 10, 11, 12). Testing on the splicing screens (1, 2, 3, 4) is achieved, and a testing result can be used for regulating the splicing screens (1, 2, 3, 4), so that defects generated in the displaying process of the splicing screens (1, 2, 3, 4) are reduced.

Abstract: The present application discloses a foldable display device, comprising a flexible screen and a support backplane cooperating therewith, the support backplane includes a first support plate and a second support plate hinged therewith by a rotary shaft system; a tension releasing mechanism is disposed at the first support plate or the second support plate, the flexible screen has a first end connected to the first support plate or the second support plate, and a second end opposite thereto, the second end is connected to the tension releasing mechanism, such that the second end of the flexible screen is slidable along a corresponding support plate between a first position in which the foldable display device is in an outward bending state and a second position in which the foldable display device is in a deployed state, and between the second position and a third position in which the foldable display device is in an inward bending state.

Abstract: The present disclosure provides a backlight module and a double-sided liquid crystal display device. The light utilization efficiency of the backlight module is improved. The backlight module includes a light emitting component, the light emitting component includes a first light exit surface and a second light exit surface disposed opposite to each other. A first liquid crystal brightness enhancement film and a first quarter-wave plate are sequentially disposed along a light emitting direction of the first light exit surface. A second liquid crystal brightness enhancement film and a second quarter-wave plate are sequentially disposed along a light emitting direction of the second light exit surface. A rotation structure of the first liquid crystal brightness enhancement film is opposite to a rotation structure of the second liquid crystal brightness enhancement film.

Abstract: Solar panel tracing equipment includes: a panel support, a sensor array, a drive mechanism and a control mechanism. The panel support is configured for mounting of a solar panel. The sensor array includes 4n light sensors distributed in a region coplanarly and configured to sense a light and generate a light intensity signal, wherein n is a positive integer. The drive mechanism includes a first driver element configured to drive the solar panel mounted on the panel support to rotate about a first rotation axis, and a second driver element configured to drive the solar panel mounted on the panel support to rotate about a second rotation axis. The control mechanism is configured to send the tracing drive signal to the first driver element and/or the second driver element in accordance with the light intensity signal received from the 4n light sensors.

Abstract: The present disclosure relates to the technical field of display, particularly to a spliced display and a display system. The spliced display includes clips and a number of display modules. The display modules can be spliced into an image display area, and adjacent two display modules can be connected by clips. By connecting adjacent two display modules by clips into the spliced display, the assembling time can be reduced, the assembling process can be simplified, and this is advantageous to mass production of products.

Abstract: The present application provides a display device and a method for driving the same. The display device includes: a transparent display panel including two display surfaces; a controller; and display switching components and backlights provided at the two display surfaces of the display panel, respectively. The controller is configured to control the display switching components to turn on or turn off, such that the display device is in the transparent state when each of the display switching components is turned off and in the opaque state when one of the display switching components is turned on.

Abstract: The present disclosure provides a clamping device including a clamping device body, and a control module connected to the clamping device body, wherein the control module is configured to acquire cycling information and control locking and unlocking of the clamping device body based on the cycling information.

Abstract: A display apparatus includes a transparent display panel, and a roller shutter device which is arranged behind the transparent display panel (100) and can be switched between two states of rolling up and flattening a back which shields the transparent display panel. By using the roller shutter device arranged behind the transparent display panel, switching between transparent display and nontransparent display is achieved.

Abstract: The present disclosure relates to the field of display technologies, and particularly, to a spliced display device and a display system. The spliced display device comprises: a frame; and a plurality of display modules; wherein the plurality of display modules is spliced into an image displaying region, and the frame is disposed around a periphery of the image displaying region. The spliced display device has advantages of high structural strength and be difficult to deform under the action of external force.

Abstract: A display panel and a display device are provided, the display panel includes a color filter layer (230); a reflective filter (281) is provided below the color filter layer (230), and the reflective filter (281) is configured to reflect light with wavelength smaller than a predetermined value and configured to transmit light with wavelength greater than or equal to the predetermined value.

Abstract: A testing method and a testing apparatus for splicing screens (1, 2, 3, 4) are provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens (1, 2, 3, 4), the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens (1, 2, 3, 4) so as to enable the splicing screens (1, 2, 3, 4) to display the corresponding testing sub pictures, and the testing sub pictures include testing contents (5, 6, 7, 8, 9, 10, 11, 12); and testing the splicing screens (1, 2, 3, 4) through the testing contents (5, 6, 7, 8, 9, 10, 11, 12). Testing on the splicing screens (1, 2, 3, 4) is achieved, and a testing result can be used for regulating the splicing screens (1, 2, 3, 4), so that defects generated in the displaying process of the splicing screens (1, 2, 3, 4) are reduced.

Abstract: The backlight according to the present disclosure may include a monochromatic laser diode, a reflector and a beam-expanding prism. The monochromatic laser diode and the beam-expanding prism may be arranged on the reflector, and monochromatic laser beams from the monochromatic laser diode may be expanded after being reflected by the beam-expanding prism.

Abstract: A unit display screen, a splice display screen and a display device are provided. The unit display screen comprises a display panel and a frame surrounding the display panel, wherein the frame comprises a first frame which includes a first part (21a) and a second part (22a) sequentially in a direction away from the display panel, the second part (22a) protruding towards an outer side of the display panel with respect to the first part (21a) and having a chamber for accommodating a circuit board (41) and a wire (51). The unit display screen can solve the problem of widening the splicing seam in prior art caused by shielding the circuit board and the wire.

Abstract: A unit display screen, a splice display screen and a display device are provided. The unit display screen comprises a display panel and a frame surrounding the display panel, wherein the frame comprises a first frame which includes a first part (21a) and a second part (21b) sequentially in a direction away from the display panel, the second part (21b) protruding towards an outer side of the display panel with respect to the first part (21a) and having a chamber for accommodating a circuit board (41) and a wire (51). The unit display screen can solve the problem of widening the splicing seam in prior art caused by shielding the circuit board and the wire.

Abstract: The present disclosure relates to the technical field of display, particularly to a spliced display and a display system. The spliced display includes clips and a number of display modules. The display modules can be spliced into an image display area, and adjacent two display modules can be connected by clips. By connecting adjacent two display modules by clips into the spliced display, the assembling time can be reduced, the assembling process can be simplified, and this is advantageous to mass production of products.

Abstract: The present disclosure relates to the field of display technologies, and particularly, to a spliced display device and a display system. The spliced display device comprises: a frame; and a plurality of display modules; wherein the plurality of display modules is spliced into an image displaying region, and the frame is disposed around a periphery of the image displaying region. The spliced display device has advantages of high structural strength and be difficult to deform under the action of external force.