122results about How to "Increase lighting brightness" patented technology

The invention discloses a display panel and a display device, relates to the technical field of display, and can reduce the problem of large-viewing-angle light leakage of the display panel and improve the peep-proof effect of the display panel. The display panel comprises a driving substrate, and the driving substrate comprises a substrate layer and a driving layer; the light-emitting device layer is arranged on the side, away from the substrate layer, of the driving layer; the at least two shading structures are arranged on the side, away from the substrate layer, of the light emitting device layer, and an isolation layer is arranged between the at least two shading structures; the light-emitting device layer comprises a pixel defining layer, a light-emitting layer and a reflection structure, the pixel defining layer comprises a plurality of pixel openings, the light-emitting layer is arranged on the pixel openings, and at least part of the reflection structure is arranged on the inner walls of the pixel openings; the shading structure is provided with a plurality of hollows, and orthographic projections of the hollows on the substrate layer cover orthographic projections of the pixel openings on the substrate layer.

The invention relates to a display panel, a preparation method and application thereof and an AR near-to-eye display device. The display panel comprises a substrate, a light-emitting pixel and a metasurface structure layer which are sequentially stacked, the metasurface structure layer is arranged on the light-emitting side of the light-emitting pixel, and the metasurface structure layer is configured to perform phase modulation on a first light beam emitted from the light-emitting pixel to the metasurface structure layer. Therefore, the second light beam emitted from the metasurface structure layer has collimation and directionality. Wherein the light-emitting pixel comprises sub-pixels of three colors to emit RGB three-color light, the metasurface structure layer comprises three metasurface units, the sub-pixels and the metasurface units are attached in a one-to-one alignment mode, and each metasurface unit conducts phase modulation on light of one color. The display panel can be applied to naked eye 3D light field display, the super-surface structure layer not only realizes collimation and directionality of emergent light of the display panel and improves light efficiency and brightness, but also is favorable for realizing light and thin display panel.

The utility model relates to the technical field of projection equipment, in particular to a light source device which comprises a narrow-spectrum light source, a wide-spectrum light source and a first light combining element, narrow-spectrum light beams emitted by the narrow-spectrum light source and wide-spectrum light beams emitted by the wide-spectrum light source are combined and emitted through the first light combining element, and overlapping wavebands exist between the narrow-spectrum light beams and the wide-spectrum light beams. The first light combining element reflects one of the light in the first polarization state of the overlapped wave band and the light in the second polarization state of the overlapped wave band while carrying out wavelength light combining, and transmits the other one of the light in the first polarization state of the overlapped wave band and the light in the second polarization state of the overlapped wave band. According to the utility model, the light loss during light combination when the wide-spectrum light beam and the narrow-spectrum light beam have overlapped wavebands is reduced, the utilization rate of the wide-spectrum light beam is improved, the light-emitting brightness is more effectively improved, high brightness, high color gamut and good comprehensive performance are realized, and the quality of a projection picture is effectively improved.

The invention discloses an intelligent lavage and drainage system for gastrointestinal surgery in the technical field of gastrointestinal surgery, and the system comprises an information collection module which is used for collecting gastrointestinal pressure information of a patient and recording and storing the pressure information; the data analysis and processing module is used for establishing a pressure model and a pressure threshold value by utilizing a machine learning algorithm based on the collected pressure information; the intelligent control module is used for controlling the flow speed and flow of the lavage fluid and the drainage fluid in different time periods according to the pressure information; and the early warning module is used for monitoring abnormal conditions of the gastrointestinal tract, automatically starting a drainage function and sending out an alarm signal when monitoring that the pressure information exceeds a preset pressure threshold value. By analyzing the relevance between various characteristic information and gastrointestinal tract environment information of the patient, the lavage and drainage parameters are automatically adjusted according to individual differences of the patient, and a more personalized treatment scheme can be provided, so that the treatment effect is improved.

The invention provides a display panel and a display device. The display panel comprises a substrate; the plurality of repetitive units are arranged on the substrate, each repetitive unit comprises a plurality of sub-pixels, and the plurality of sub-pixels comprise a first color sub-pixel, a second color sub-pixel and a third color sub-pixel; the touch wires are arranged on the sides, away from the substrate, of the sub-pixels, the touch wires are distributed in a net shape and provided with a plurality of meshes, the meshes correspond to the sub-pixels in a one-to-one mode, and orthographic projections of the sub-pixels on the substrate are located in orthographic projection areas of the corresponding meshes on the substrate; in each repetitive unit, the distance between the touch wire between the first color sub-pixel and the second color sub-pixel and the first color sub-pixel is smaller than the distance between the touch wire and the second color sub-pixel; and / or, the distance between the touch control wire between the first color sub-pixel and the third color sub-pixel and the first color sub-pixel is smaller than the distance between the touch control wire between the first color sub-pixel and the third color sub-pixel.

The invention discloses an agricultural seedling culture device, and relates to the technical field of agricultural seedling culture, the agricultural seedling culture device is characterized by comprising a base, the upper surface of the base is fixedly connected with symmetrically arranged fixing plates, the agricultural seedling culture device further comprises a supporting frame, and the supporting frame is rotatably connected to the side walls of the fixing plates; the seedling raising cylinder is rotationally connected to the side wall of the supporting frame, and the outer side wall of the seedling raising cylinder is sleeved with a water storage box; the winding roller is rotationally connected into the base; the lower end of the protection plate is wound around the winding roller, and the upper end of the protection plate penetrates through the bottom of the base and is slidably connected to the side wall of the fixing plate. The seedling raising device has the advantages that the brightness of light in the seedling raising box formed among the protection plate, the top plate, the base and the fixing plate is increased, growth of seedlings is further promoted, workers are prevented from carrying the seedlings in rainy days, and convenience is brought to the workers.

The invention provides an energy-saving intelligent illumination control system, and relates to the technical field of intelligent illumination, and the system comprises the steps: collecting the current ambient light data of a target illumination region through an ambient light sensor, and generating the target ambient illumination brightness; identifying personnel activity information in the target illumination area through a human body activity sensor, and determining target activity illumination brightness; determining target adjustment illumination brightness based on the target environment illumination brightness and the target activity illumination brightness, and generating a self-adaptive illumination brightness control strategy in combination with the actual illumination brightness; adjusting the brightness of the target lighting equipment in the target lighting area based on a self-adaptive brightness control strategy, and monitoring the current lighting energy consumption data of the target lighting equipment through a lighting energy consumption sensor; the illumination feedback information of the user side is obtained, and the adaptive illumination brightness control strategy is optimized based on the illumination feedback information and the current illumination energy consumption data, so that intelligent adjustment of the illumination brightness can be realized, the energy consumption is effectively reduced, and the illumination efficiency is improved.

The embodiment of the invention provides a clustered optical fiber membrane and a preparation method thereof, a backlight module and a display device. The clustered optical fiber membrane comprises a membrane body, the membrane body comprises a plurality of optical fibers and a bonding material for bonding the plurality of optical fibers together, and the bonding material comprises an adhesive and reflective particles dispersed in the adhesive. Therefore, a total reflection interface can be formed at the interface of the optical fiber and the adhesive material, an effect similar to an optical fiber is formed, and a part of light is totally reflected at the interface of the optical fiber and the adhesive material and finally is emitted along the extension direction of the optical fiber. And the other part of the light is refracted by the optical fiber and the adhesive and reflected by the reflecting particles, and finally is emitted from the light emitting surface of the beam concentration optical fiber film, and the angle of the light emitted from the beam concentration optical fiber film is converged to a certain range, so that the light concentration effect is realized.

The utility model relates to the technical field of wall washing lamps, and discloses a wall washing lamp which comprises a power source assembly and a light source assembly, the light source assembly comprises a first shell, a reflector and a light source module, the reflector and the light source module are arranged on the first shell, and the light source module is electrically connected with the power source assembly; the reflector is provided with a concave reflecting curved surface, the reflecting curved surface is provided with a plurality of first oblique curves and a plurality of second oblique curves, the first oblique curves are parallel, the second oblique curves are parallel, and the first oblique curves and the second oblique curves intersect to form a plurality of rhombic armor bodies. And the light source module is positioned right opposite to the reflecting curved surface. And non-uniformity of light spots and non-uniformity of brightness and darkness distribution can be avoided. Furthermore, the number of lamps can be reduced, and the overall cost is reduced. When the light source module is located right opposite to the reflector, light beams emitted by the light source module can be fully reflected out by the reflector, and the illumination brightness can be improved.

The utility model discloses a light leakage prevention backlight source module which comprises a bottom plate and a frame, a light emitting assembly is installed on the inner side of the frame, the light emitting assembly comprises a circuit board and an LED lamp, a light leakage prevention assembly is installed on the inner side of the frame and comprises a light guide plate and a reflective mirror, an air inlet assembly is installed on one side of the frame, and an air outlet assembly is installed on the other side of the frame. According to the light leakage prevention backlight source module, the periphery of the LED lamp and the periphery of the frame can be sealed through the reflective mirror, light leakage is avoided, meanwhile, light is reflected to the light guide plate, the light transmission rate is increased, the light leakage prevention effect is good, and the light leakage prevention backlight source module is suitable for being used for a large-scale production line. The brightness consistency of the backlight source is guaranteed through the reflective mirror and the light guide plate, the illumination efficiency is further improved, the illumination area can be adjusted according to the illumination range, the adaptability of the backlight source is improved, and the backlight source is suitable for illumination of advertising boards, product display and the like.

The utility model relates to the technical field of illumination, in particular to a low-temperature-resistant storage and control integrated street lamp holder which comprises a shell, a lamp panel arranged on the lower surface of the shell, lamp beads arranged on the lamp panel, a charging and discharging circuit arranged on one side of the lamp panel, a layer of waterproof glue covered on the charging and discharging circuit, and a conjoined lens board arranged on the lower surface of the shell. Lenses on the conjoined lens plate correspond to the lamp beads in position, a sodium ion battery pack is arranged in the shell, the charging and discharging circuit is electrically connected with the sodium ion battery pack and the lamp beads, foaming heat preservation cotton wraps the sodium ion battery pack, and a thermal shrinkage film wraps the foaming heat preservation cotton. According to the utility model, short circuit can be avoided, heat preservation can be carried out on the sodium ion battery pack, the charge-discharge retention rate of the sodium ion battery pack is improved to more than 90%, the lighting time is prolonged, the illumination brightness is improved, water or steam can be prevented from entering between the lower cover and the plate of the conjoined lens, and the probability of short circuit is reduced; and the battery pack is always kept in a charging and discharging state under the conditions of unsaturated sunlight and inconvenient power supply in rural areas.

The invention discloses an internal and external double-circulation waterproof heat dissipation device for intelligent illumination and an installation method thereof, relates to the field of intelligent street lamps, and aims to solve the problems that the distance between the installation position of a street lamp and a parking space of a road is insufficient, and the illumination brightness and range are insufficient due to the fact that charging services are provided for vehicles. According to the technical scheme, a lamp holder is slidably sleeved with a heat dissipation lens module, the heat dissipation lens module comprises an upper shell, the upper shell abuts against the top wall of the lamp holder, a lower frame is hinged to one end, protruding out of the outer edge of the lamp holder, of the upper shell, a concave lens matched with an illumination module is fixedly installed in the middle of the lower frame, and the upper shell is hollow and filled with sufficient heat conduction oil. A soaking disc is rotationally installed on the top wall of the upper shell in a sealed mode, a first impeller embedded into the upper shell is fixedly installed on one face of the soaking disc, and a second impeller making contact with outside air is fixedly installed on the other face of the soaking disc. And the influence on the lighting effect on the road caused by parking space obstruction is avoided.

The utility model discloses an integrated semiconductor stacked structure device, which relates to the technical field of semiconductors and comprises a carrier layer, a circuit layer, a metal layer module and a semiconductor module which are sequentially stacked from bottom to top. The semiconductor module comprises a plurality of semiconductor components; the metal layer module comprises a migration prevention metal layer or a plurality of migration prevention metal layers which are sequentially stacked from bottom to top; chip metal layers are arranged on the metal layer modules in the first region and the second region; the first region is a region between the semiconductor component and the corresponding positive electrode; the second region is a region between the semiconductor component and the negative electrode corresponding to the semiconductor component; reflecting layers are arranged on the metal layer module and the semiconductor components, or the reflecting layers are arranged in the areas between the adjacent semiconductor components, and combination and heat transfer of the positive electrode, the negative electrode and the semiconductor module are achieved through the chip metal layer; the reflecting layer is arranged between the semiconductor components, so that the light extraction rate can be increased.

The utility model discloses a light-emitting diode (LED) project lamp arranged in an equilateral triangle mode and capable of emitting light evenly, relates to the technical field of project lamps, and aims to solve the technical problems that an existing LED project lamp is large in light loss and poor in uniformity of illumination, and the LED project lamp arranged in the equilateral triangle mode and capable of emitting light evenly comprises a shell and a support which are connected in a rotating mode. An LED lamp panel is arranged in the shell, a plurality of evenly-distributed LED lamp beads are arranged on the LED lamp panel, every three adjacent LED lamp beads are arranged in an equilateral triangle mode, and lenses matched with the LED lamp beads are arranged on the outer sides of the LED lamp beads. According to the LED projection lamp, the LED lamp beads are arranged in an equilateral triangle mode, the coincidence between diffusion light spots formed by the LED lamp beads is maximum, the distance between the adjacent LED lamp beads on the periphery can be reduced, the smaller the distance is, the smaller the light loss is, through the design of equilateral triangle arrangement, light emitting is more uniform, and the technical problems that an existing LED projection lamp is large in light loss and poor in illumination uniformity are solved.

This invention provides a backlight module and a display device, relating to the display field, for improving the display brightness of a display panel in privacy mode. The backlight module includes: a first backlight structure, comprising a first light-emitting structure and a dimming layer located on the side of the first light-emitting structure facing the light-emitting surface of the backlight module; wherein the dimming layer includes multiple microstructures and a reflective barrier, the microstructures including reflective sidewalls, and adjacent microstructures being spaced apart; the reflective barrier being located between the microstructures and the first light-emitting structure, and the orthographic projections of the reflective barrier and the reflective sidewalls overlapping in a direction perpendicular to the plane of the backlight module; and a second backlight structure located on the side of the first backlight structure facing the light-emitting surface of the backlight module.

This utility model discloses a pickup truck roll-up taillight device, including roll-up side rods and an extension support plate. Two roll-up side rods are arranged facing each other. The extension support plate is located on one side of each roll-up side rod, and a roll-up slide rail is provided on the side of the roll-up side rod facing away from the extension support plate. A receiving groove is provided at the front end of the extension support plate, and a lamp body is provided on the receiving groove. A mounting hole and a pin are provided at the rear end of the bottom surface of each roll-up side rod. This pickup truck roll-up taillight device can be installed on both sides of the open cargo box of a pickup truck. The roll-up slide rail on the roll-up side rod can slide and connect with the vehicle's roll-up curtain, thereby closing the cargo box opening and preventing the cargo from getting wet. The lamp body on the extension support plate can be electrically connected to the vehicle's taillights, increasing the height of the light source and the overall brightness of the cargo box, making it easier for following vehicles to see and reducing blind spots.

The invention provides a display panel and a display device, sub-pixels in the display panel comprise first sub-pixels and second sub-pixels which are the same in light emitting color, and the maximum light emitting view angle of the first sub-pixels is smaller than the maximum light emitting view angle of the second sub-pixels; the display modes of the display panel comprise a shared display mode and a peep-proof display mode; in the shared display mode, the first sub-pixels and the second sub-pixels emit light; in the peep-proof display mode, the first sub-pixels emit light, and the second sub-pixels do not emit light; a first micro-cavity structure is formed by the first anode and the first cathode in the first sub-pixel, and a second micro-cavity structure is formed by the second anode and the second cathode in the second sub-pixel; the distance between the first anode and the first cathode is L1, and the distance between part of the second anode and at least part of the second cathode is L2; the light-emitting wavelength of the first sub-pixel is lambda1, and the light-emitting wavelength of the second sub-pixel is lambda2; l1 = n * (lambda1 / 2), and L2 is not equal to m * (lambda2 / 2). The display uniformity of the display panel is ensured by adjusting the distances of the micro-cavity structures of different light-emitting elements to be different.

The utility model discloses a high-safety double-end high-speed wire drawing machine which comprises a wire drawing machine body, the upper ends of the left side and the right side of the wire drawing machine body are fixedly connected with mounting frames, the front faces of the mounting frames are fixedly connected with third servo motors, and the output ends of the third servo motors are fixedly connected with rotating plates. A winding roller is movably connected to the inner side of the rotating plate, fixing bolts are movably connected to the front end and the rear end of the upper surface of the winding roller, and first cross rods are fixedly connected to the lower ends of the left side and the right side of the wire drawing machine body. A second auxiliary wheel is arranged on the lower surface of a second sliding block, the second auxiliary wheel can be driven by a second servo motor to slide front and back, a first sliding block is arranged on the outer side of a second cross rod, a second cross rod can be driven by a first servo motor to slide front and back, and a winding roller is arranged on the inner side of a rotating plate. And the winding roller can be driven to rotate through the third servo motor, so that the metal wires can be wound conveniently.

The invention relates to a protective monitoring camera with a lighting source. The protective monitoring camera comprises a transparent protective cover; the mounting holder is arranged in the transparent protective cover; the camera body is arranged at the bottom of the mounting holder; the lighting assembly is arranged on the side wall of the mounting holder; the air guide box is arranged at the top of the transparent protective cover; the arc-shaped flow guide cover is arranged above the air guide box, a plurality of upper air guide pipes are arranged on the periphery of the top of the air guide box, pipe openings of the upper air guide pipes correspond to the interior of the arc-shaped flow guide cover, and the arc-shaped flow guide cover is used for guiding air to the outer surface of the transparent protective cover. The camera has the advantages that the problems that the quality of pictures shot by the camera is poor, and winged insects attracted by a light source at night affect surrounding of the transparent protective cover, shield light generated by the lighting assembly or cause blurring of the shooting lens are solved.

According to the light-emitting structure and the light-emitting structure provided by the invention, the light-emitting surface of the substrate is provided with the plurality of first grooves which are distributed at intervals so as to carry out light isolation on the light rays emitted into the substrate, so that the light crosstalk phenomenon is reduced, and the contrast ratio of the light emitted from the substrate is improved.

The present disclosure belongs to the field of display, and discloses a display module and a display device. The display module comprises a display panel, and a light modulation layer is arranged on the light exit side of the display panel. The light modulation layer comprises a polarization modulation layer and a direction modulation layer arranged in a stack. The polarization modulation layer is arranged between the display panel and the direction modulation layer. The polarization modulation layer is used for adjusting the polarization state of the light emitted by the display panel, and the direction modulation layer is used for adjusting the direction of the light emitted by the polarization modulation layer. At least one of the polarization modulation layer and the direction modulation layer is an electrically controlled modulation layer, which is used for switching between at least two different states to switch the exit viewing angle of the light emitted by the display panel. The display module can switch between the front viewing angle and the side viewing angle, has high diffraction efficiency, small energy loss, and can improve the light brightness and the picture contrast of the display panel, thereby improving the display quality.

The invention provides a light-emitting diode capable of improving a light reflection effect and a preparation method thereof, and belongs to the technical field of photoelectron manufacturing. The light-emitting diode comprises an epitaxial layer, a transparent conducting layer, a passivation layer, a first reflecting layer, a second reflecting layer and a protective layer, the transparent conducting layer is located on the surface of the epitaxial layer, and the transparent conducting layer is wrapped by the passivation layer; the first reflection layer is located on the surface of the passivation layer, the first reflection layer is connected with the transparent conductive layer through a through hole in the passivation layer, and the protection layer wraps the first reflection layer; the second reflection layer is located in the passivation layer and located between the surface, away from the epitaxial layer, of the passivation layer and the surface, close to the epitaxial layer, of the passivation layer, and at least part of the orthographic projection of the second reflection layer on the surface, away from the passivation layer, of the epitaxial layer is overlapped with the orthographic projection of the protection layer on the surface, away from the passivation layer, of the epitaxial layer. The light reflecting effect of the light emitting diode on the backlight side can be improved, and therefore the light emitting brightness of the light emitting side of the light emitting diode is improved.

The utility model relates to a building construction monitoring device, which belongs to the field of monitoring equipment and comprises a frame, a protection frame, a telescopic frame, a rotating frame, a camera, a storage battery and a control mainboard. One end of the protection frame is rotationally arranged on the frame, and a telescopic cylinder used for driving the protection frame to turn over is arranged on the frame; the telescopic frame is slidably arranged in the protection frame, and a telescopic mechanism used for driving the telescopic frame to move is arranged on the protection frame. The rotating frame is rotationally arranged on the telescopic frame, and a rotating motor used for driving the rotating frame to rotate is arranged on the telescopic frame; the camera is rotationally arranged on the rotating frame, and a second motor used for driving the camera to rotate is arranged on the rotating frame; the storage battery and the control mainboard are arranged in the frame; the storage battery is electrically connected with the control mainboard, and the control mainboard is in control connection and electrical connection with the telescopic mechanism, the rotating motor, the second motor and the telescopic cylinder. According to the utility model, the frame can be driven into a low area, and detection is carried out through the camera.

The present invention discloses a quantum dot composite and a preparation method thereof, a quantum dot diffusion plate and a preparation method thereof, and a light-emitting device. The quantum dot composite comprises a solid shell and a liquid core, wherein the liquid core comprises quantum dots, a photoinitiator, and a prepolymer, and the solid shell is formed by photocuring the liquid core. The solid shell is formed by photocuring the liquid core, and the light refractive index of the solid shell and the liquid core is inconsistent, so that the light conversion efficiency of the overall quantum dot composite is improved. The quantum dot composite is evenly dispersed in the main layer, which can effectively improve the light conversion rate and light output brightness of the obtained quantum dot diffusion plate.

The application discloses a quantum dot compound extrusion type diffusion plate and a light emitting device. The quantum dot compound extrusion type diffusion plate has a light inlet surface and a light outlet surface. From the light inlet surface to the light outlet surface, the quantum dot compound extrusion type diffusion plate comprises first layer structure layer to Nth layer structure layer which are sequentially and combined. The first layer structure layer to the Nth layer structure layer all comprise a high molecular polymer. At least two layers of the first layer structure layer to the Nth layer structure layer comprise quantum dot compounds dispersed in the high molecular polymer. N is not less than 2. The quantum dot compound comprises quantum dots and a coating of the quantum dots. The refractive index of the coating in the structure layer closest to the light inlet surface is the smallest. The light conversion rate of the quantum dot compound extrusion type diffusion plate can be effectively improved, and the light emitting brightness of the light emitting device is improved.

The high-precision mounting structure for the soft light guide of the atmosphere lamp comprises the soft light guide of a linear structure, and the soft light guide and a condensing lens are connected with a lamp holder through a soft light guide plug connector. Reliable installation of the soft light guide and the condensing lens is guaranteed, the relative positions of the soft light guide, the condensing lens and the LED can be accurately controlled, and the consistency of the lighting effect is guaranteed; the assembly efficiency is improved, the process is easy to standardize, and automatic assembly is easy to realize; when the lamp cannot be lightened, the lamp can be conveniently maintained or replaced, and the operation is simple; moreover, compared with the contact between the heat shrinkable sleeve and the soft light guide, the light absorption can be reduced, and the light emitting brightness of the soft light guide can be improved; meanwhile, due to the fact that the LED and the condensing lens are not shielded completely, more light rays can enter the soft light guide, and the light emitting brightness of the soft light guide is further improved; in addition, the condensing lens is additionally arranged, so that the light emitting brightness and the lighting effect of the soft light guide are further improved.

The utility model relates to the technical field of atmosphere lamps, in particular to an interior surface light source atmosphere lamp with a light mixing structure. A light condensing member; and a light strip; wherein the light gathering pieces are located between the panel and the lamp strips, the lamp strips are evenly distributed, the light emitting sides of the lamp strips correspond to the light gathering pieces, and light emitted by the lamp strips penetrates through the panel after being mixed through the light gathering pieces. Light rays emitted by the lamp strip firstly pass through the light gathering piece, the light rays are firstly reflected for multiple times in the light gathering piece so as to increase light mixing paths, then light mixing can be more sufficient, and the problems of dispersion and color spots of light emitted from the panel are solved. Due to the fact that the position and the space for arranging the panel are determined, the corresponding light condensation piece can be designed according to size data, due to the fact that the panel and the lamp strip are located on the two sides of the light condensation piece respectively, and the distance between the panel and the lamp strip is mainly determined by the controllable thickness of the light condensation piece, the arrangement space of the atmosphere lamp is relatively controllable, and adaptability is better.

The invention relates to the field of lighting equipment, in particular to a solar intelligent energy-saving environment-friendly lamp which comprises a mounting shell, a lampshade, a driver and a first rotating shaft. Two lampshades for illumination are arranged on the mounting shell; a plurality of drivers are mounted on the mounting shell; and each driver is fixedly connected with a first rotating shaft. According to the invention, the two symmetrical turnable lampshades are arranged, the driver drives the first rotating shaft, the arc-shaped lamps I and the fixed plate to turn downwards, so that the two arc-shaped lamps I are in a vertical state, then the DD motor drives the second rotating shaft and the arc-shaped lamps I to horizontally rotate, so that the reflecting plate is close to the horizontal lampshades, and a light source can be efficiently reflected through the reflecting plate; and the light is guided to an activity area of a user, so that the illumination brightness is obviously increased, and the illumination effect is improved.