44results about How to "Improve light uniformity" patented technology

The invention discloses a diffractive optical waveguide and a preparation method thereof, and a head-mounted display device, and relates to the technical field of augmented reality, and the preparation method of the diffractive optical waveguide comprises the steps: obtaining a target eye box range adaptive to a target crowd; according to the human eye parameters of each user group in the target group, splitting the target eye box range to obtain sub-eye box ranges adapted to each user group; diffractive optical waveguides adapted to the user groups are prepared based on the sub-eye box ranges, and the area of a coupled-out grating in each diffractive optical waveguide is smaller than the area of a coupled-out grating of an optical waveguide designed for covering the target eye box range. The optical efficiency and uniformity of the diffractive optical waveguide can be ensured, and the diffractive optical waveguide is prevented from generating obvious rainbow lines, so that the use experience of a user is improved.

This invention relates to the field of laser special light source technology, and provides a laser-driven white light source device, which includes a laser source, an optical system, a gas-loaded structure, and a high-voltage driving component. The laser source is suitable for providing a laser beam; the optical system is suitable for focusing the laser beam; the gas-loaded structure is located on the side of the optical system away from the laser source, and the center of the gas-loaded structure corresponds to the focusing area of ​​the laser beam; the high-voltage driving component is suitable for igniting plasma within the gas in the gas-loaded structure; wherein, the gas-loaded structure has a gas carrier incident surface and a gas carrier exit surface arranged opposite each other along the propagation path, and the curvature of the gas carrier incident surface and the gas carrier exit surface is constant in the direction perpendicular to the propagation path. This application can reduce the generation of aberrations, thereby reducing the size of the emitting point and resulting in better consistency of the emitting point; at the same time, the uniformity of white light output and the spectral radiance are also better.

This invention provides a light guide element comprising a main body and an optical microstructure recessed into the bottom surface of the main body. The optical microstructure includes a light-facing surface and a backlight surface, respectively facing and away from the light-incident surface of the main body. The light-facing surface has a first section line on a first pseudo-plane perpendicular to the light-incident surface and parallel to the bottom surface, and a second section line on a second pseudo-plane parallel to the light-incident surface and perpendicular to the bottom surface. The first pseudo-arc line passes through a first vertex near the light-incident surface and multiple first endpoints away from the light-incident surface in the first section line. The second pseudo-arc line passes through a second vertex near the light-outcident surface and multiple second endpoints away from the light-outcident surface in the second section line. The radius of curvature R of the second pseudo-arc line is... xz The radius of curvature R greater than that of the first pseudo-arc xy The width W of the optical microstructure in the first direction parallel to the incident surface and the bottom surface. x The width W is greater than the width in the second direction, which is perpendicular to the incident light surface and the first direction and parallel to the bottom surface. y The light guide element and the backlight module having the light guide element of the present invention can improve the uniformity of light output.

The application discloses a multi-lamp-bar type lamp strip structure and relates to the field of mechanical equipment for textile industry, which comprises a long-strip-shaped mounting plate and an LED lamp bar, the LED lamp bar comprises a strip-shaped conductive substrate and a plurality of lamp beads arranged on the conductive substrate, the conductive substrate is arranged on one side of the mounting plate and detachably fixedly connected with the mounting plate through a threaded part, a plurality of the lamp beads are arranged in multiple rows along the width direction of the conductive substrate; and the lamp beads comprise white light lamp beads and purple light lamp beads, a plurality of the purple light lamp beads are uniformly arranged along the length direction of the conductive substrate and form a purple light lamp strip, and a plurality of the white light lamp beads are uniformly arranged along the length direction of the conductive substrate and form a white light lamp strip. Through the dual-light-source space cooperation, the end brightness compensation, the modular heat dissipation and the quick maintenance architecture, the application precisely matches the strict requirements of the cotton foreign fiber removing equipment on the light source stability and the imaging uniformity, finally realizes efficient and durable lighting support, and improves the comprehensiveness and sensitivity of the foreign fiber machine in detecting foreign fibers.

The utility model relates to the technical field of automobile lamps, and discloses a low-beam lens module. The low-beam lens module comprises a lens support assembly which comprises a lens support and a light type baffle which are integrated; the outer lens is arranged on the lens bracket, and the outer lens is positioned on one side of the light type baffle plate in the first direction; the inner lens is arranged on the lens support and located on the other side, in the first direction, of the light type baffle; the light-emitting assembly is arranged on the side, away from the light type baffle, of the inner lens in the first direction, and light output by the light-emitting assembly can sequentially pass through the inner lens and the light type baffle and is emitted out of the outer lens. According to the technical scheme, the installation steps of the low-beam lens module are simplified, in the assembly process, parts do not have the overturning process, automatic installation is facilitated, and the assembly efficiency is improved.

The utility model discloses an adjustable light-emitting diode (LED) fish gathering lamp with a wide-angle lighting and forced air cooling structure, which comprises a lamp body shell, a lamp arranged in the lamp body shell, a heat dissipation fan, a wide-angle lens arranged at the bottom of the lamp body shell and used for increasing the lighting range, and a light diffusion plate arranged at the bottom of the lamp body shell. A heat dissipation air channel used for enhancing the heat dissipation effect is arranged in the lamp body shell, an adjustable installation part is arranged on one side of the lamp body shell, the illumination intensity and the illumination range are optimized, 165-degree wide-angle illumination is adopted to cover a fishing boat operation area, and the illumination uniformity is greatly improved. And a heat dissipation air channel is optimized, and forced air cooling is adopted, so that the junction temperature of the LED is greatly reduced, and light attenuation is delayed. The fishing boat has the functions of being adjustable in installation and convenient to adjust, adjustment at any time in daily use is facilitated, and various installation modes of the installation part are suitable for various fishing boat scenes.

The utility model discloses a novel light guide plate with uniform light distribution relates to novel light guide plate technical field, this novel light guide plate with uniform light distribution includes novel light guide plate, and the novel light guide plate four corners are all connected with fixed clamp seat, the utility model discloses, light guide plate adopts gradual change compound dot, and the design of circular dot and rhombus dot is combined with the layout of optical simulation optimization, and the optimization surface light intensity solves the problem of uneven light emission from the light conduction source, and the nanometer diffusion film cooperates with the micro prism brightening layer, and the light is regulated by secondary scattering and total reflection, and the light emission uniformity is improved 40% than traditional light guide plate, and effectively eliminates bright spot, dark area, and adapts high -end display, precision lighting scene.

The utility model discloses a kind of ultraviolet light curing devices, including shell, curing chamber is equipped in the shell, and curing chamber bottom is equipped with the load plate of load and drive workpiece to rotate uniform light, and load plate electrically connected with the driving motor installed in shell, curing chamber is installed with partition cover, and partition cover is sleeved in load plate outside.This ultraviolet light curing device, first, the rotation design of device through load plate, workpiece can be received ultraviolet light in curing process all-round evenly, ensure the consistency of curing quality, avoid the curing defect caused by uneven illumination, to improve curing efficiency and product quality;In addition, the optimization layout of UV light mechanism and the setting of reflector, further improve the illumination intensity and uniformity, shorten curing time, improve production efficiency.

The present application relates to a kind of nanosecond laser space-time control methods based on double-cone pair collision direct drive laser device, in the case of meeting the nearly isentropic compression waveform of driving implosion, the time waveform of all sub-beams in device is redistributed, a small part of beam is used to generate low-energy foot pulse, and is focused on larger target surface, target surface is slowly contracted under the action of low-energy foot pulse, and is contracted to a smaller target surface at the end of the duration of low-energy foot pulse, then the majority of remaining beam is used to generate driving main pulse, and is focused on this smaller target surface, so as to realize zooming.The method reduces the waveform contrast of sub-beam by redistributing the time-power curve of all sub-beams, can realize higher precision control of time-power curve on target surface, also effectively reduces the loss caused by energy transfer (CBET) of cross-beam by zooming, improves beam-target coupling efficiency, and improves the irradiation uniformity of target pellet.

The utility model provides a kind of low-power MiniLED backlight control system, it is related to LED backlight technical field, including light bar, the both ends of the light bar are provided with connecting head, multiple electric connecting pins are provided in the inside of two connecting heads, multiple installation clamping grooves are set in the upper end of the light bar, multiple lamp holders are clamped in the inside of multiple installation clamping grooves, multiple electrode pieces are provided in the left and right sides of the lower end of multiple installation clamping grooves, multiple control chips are connected to the lower end of the light bar, multiple control chips are respectively located in the lower end of multiple installation clamping grooves, and electrically connected with the two electrode pieces of the lower end of installation clamping groove, and multiple control chips are electrically connected with multiple electric connecting pins of the front and rear sides, the utility model is provided with multiple-pin connecting head in the both ends of light bar, lamp holder is clamped with light bar by installation clamping groove, electrode piece is electrically connected with control chip, so that lamp holder can be individually repaired and replaced, reduce maintenance cost, and support quick assembly and flexible expansion.

The present application relates to the technical field of highway tunnel lighting, in particular to a tunnel portal flexible light guide lighting system and a lighting transition method, comprising: acquiring a response time delay parameter and an illumination cross distribution matrix; determining an illumination gap value of each road node according to the response time delay parameter, the illumination cross distribution matrix, a natural light illumination sequence, a current output duty cycle of each light emitting device and a preset safety illumination threshold; determining a final duty cycle allocation proportion of each light emitting device according to the illumination cross distribution matrix and the illumination gap value of each road node; determining a target control duty cycle of each light emitting device according to the final duty cycle allocation proportion of each light emitting device, a preset safety step duty cycle quota and the current output duty cycle of each light emitting device, and issuing the target control duty cycle of each light emitting device to the corresponding light emitting device. The present application improves the visual transition smoothness of the mixed lighting of the tunnel portal transition section as a whole.

The invention provides a light-emitting assembly, a ceiling assembly and a vehicle. The light-emitting assembly is applied to the vehicle. The vehicle comprises an outer ceiling. The light-emitting assembly comprises an inner ceiling and a light-emitting component; the inner ceiling is arranged on the inner peripheral side of the outer ceiling, is spaced from the outer ceiling and is used for connecting skylight glass; the light-emitting assembly is arranged between the outer ceiling and the inner ceiling, and light emitted by the light-emitting assembly can be emitted to the interior of the vehicle from the position between the outer ceiling and the inner ceiling. The part, close to the skylight glass, of the ceiling is partially divided into the inner ceiling and the outer ceiling, the light-emitting assembly is arranged between the inner ceiling and the outer ceiling, the annularly-arranged light sources can be arranged so as to reduce uneven vision caused by light decay, the light sources are matched with the light uniformizing cover so that the illumination uniformity can be further improved, local bright spots can be avoided, and the service life of the ceiling is prolonged. In addition, the inner ceiling, the light-emitting assembly and the skylight glass can be conveniently and integrally supplied, supply of multiple suppliers is not needed, and the packaging, transporting and assembling cost of parts is reduced.

The utility model relates to a backlight module and a display device. A backlight module comprises a back frame, a light source, a diffusion plate and a sleeve. The diffusion plate is arranged on the back frame and located on the light emitting side of the light source. The sleeve is arranged on the back frame and penetrates through the lamp panel and the diffusion plate in the axial direction of the back frame. The diffusion plate is provided with a plurality of printing dots, and the diffusion plate is defined to be provided with a blank area allowing the sleeve to penetrate through and a first area surrounding the blank area. The first area comprises a high-density area and a low-density area, no printing dots exist in the blank area, and the distribution density of the printing dots in the high-density area is larger than the average distribution density of the low-density area. By means of the design of different distribution densities of the printing dots, the bright halo generated by the arrangement of the sleeve is overcome, and the light emitting uniformity and the optical grade of the whole light emitting surface are improved. The utility model further provides a display device comprising the backlight module.

The present application relates to a kind of light conversion plate, Mini-LED display device and related preparation method, it is related to semiconductor display technical field.In the preparation method of the light conversion module for Mini-LED display device in the present application, by forming the first surface and the second surface of glass substrate first light conversion block, first light scattering block, second light conversion block and second light scattering block are alternately distributed, wherein the density of light conversion particle in the first light conversion block is greater than the density of light conversion particle in the second light conversion block, the density of light scattering particle in the second light scattering block is greater than the density of light scattering particle in the first light scattering block, by optimizing the structure of each light conversion block and each scattering block and the density relationship of light conversion particle, light scattering particle, light conversion efficiency and light uniformity are greatly improved.

The utility model discloses an annular light source with an adjustable light-emitting angle. The annular light source comprises a shell, a plurality of light-emitting assemblies and a plurality of adjusting mechanisms. The shell is provided with a shooting window, an opening is formed in the face, opposite to the shooting window, of the shell, the multiple light-emitting assemblies are rotationally connected with the inner wall of the shell and located between the shooting window and the opening, and the multiple light-emitting assemblies are arranged in the circumferential direction; the multiple adjusting mechanisms are connected with the shell and correspond to the multiple light-emitting assemblies in a one-to-one mode. According to the scheme, the adjusting mechanism is used for driving one corresponding light-emitting assembly to rotate, namely, the light-emitting angle of each light-emitting assembly can be adjusted, so that the flexibility of supplementing light to an object by the annular light source is improved, and particularly, good illumination uniformity can be brought to the object with a curved surface or a concave-convex surface; and the reflective surface of the object can be avoided by adjusting the local light-emitting angle of the light-emitting assembly, so that the application scene of the annular light source can be expanded.

This application relates to light-emitting modules and luminaires, specifically to the field of luminaire technology. The light-emitting module includes a base, a light-emitting component, and a dimming device. The light-emitting component is disposed on the base and includes multiple light-emitting units, which are divided into multiple first light-emitting groups and multiple second light-emitting groups. The multiple light-emitting units in each second light-emitting group are spaced apart from each other, and the multiple light-emitting units in each first light-emitting group are arranged sequentially around the outer periphery of the second light-emitting group. The light-emitting parameters of the first light-emitting groups and the second light-emitting groups are different, and the light-emitting parameters include at least one of brightness, color, and color temperature. The dimming device includes a lens portion, which corresponds to the light-emitting component to ensure that the ratio of the light spot area formed by the first light-emitting group on a designated light-receiving plane to the light spot area formed by the second light-emitting group on the designated light-receiving plane is greater than 0.8 and less than 1.2. By configuring the aforementioned light-emitting component and dimming device, the light emission uniformity of the light-emitting module can be improved.

This application relates to the field of optical thin film technology, and more particularly to a diffusion film, its preparation method, and its application. A diffusion film is provided, comprising a substrate and a diffusion film disposed on any surface of the substrate. The diffusion film is prepared from components with the following mass percentages: 0.5%–10% diffusion particles and 90–99.5% solvent. The resulting diffusion film exhibits high haze, high clarity, and high light transmittance. The provided formula is simple, reduces the use of other components, is low in cost, facilitates the dispersion of diffusion particles, achieves ideal light diffusion effects, and is suitable for widespread use.

This invention provides a flexible backplate processing device for improving the uniformity of curved backlighting, belonging to the field of display technology. It includes a processing device, with a traveling carriage slidably connected to its top. A first hydraulic rod is fixedly connected to the inner wall of the traveling carriage, and a first fixed frame is fixedly connected to the top of the first hydraulic rod. A first sliding frame and a second sliding frame are slidably connected to the outer surface of the first fixed frame. A second hydraulic rod is fixedly connected to the top surface of the processing device, and a clamping mechanism is provided at the output end of the second hydraulic rod. A support mechanism is provided at the top of the clamping mechanism. This invention improves the overall light emission uniformity of the backlight by setting up a support mechanism and creating a first V-shaped groove with an asymmetrical slope in the central area; and by setting a second V-shaped groove with stepped sections in the left and right transition areas to increase the light emission radiation range, thereby improving the overall light emission uniformity of the backlight of the support plate.

The utility model discloses an outdoor LED court lighting lamp capable of being flexibly combined, which comprises an LED lamp body and an adjusting slide rail, the adjusting slide rail is connected to the top of the LED lamp body, and the top of the LED lamp body is movably connected with a connecting arm; and the telescopic supporting rod is installed at the top of the connecting arm, an output rod is arranged at the bottom of the telescopic supporting rod, and one end of the telescopic supporting rod is in threaded connection with a locking rotary knob matched with the output rod. By arranging the adjusting sliding rail and the connecting arm, flexible adjustment and combination of the LED lamp body are achieved. The adjusting sliding rail is connected to the top of the LED lamp body, and the connecting arm is movably connected with the LED lamp body through the damping rotating shaft, so that each LED lamp body can freely slide and be positioned on the adjusting sliding rail. In this way, installation and adjustment of the lamps are facilitated, the number and positions of the lamps can be flexibly combined according to actual lighting requirements, and the adaptability and flexibility of the lighting system are greatly improved.

The utility model relates to a light source module, backlight module and display device. A kind of light source module includes a substrate, a reflecting unit, and multiple light emitting components. The reflecting unit includes a bottom wall, multiple first side walls arranged along a first direction, multiple second side walls arranged along a second direction, and multiple reflecting baffles. The first side walls and the second side walls are arranged alternately and form a missing slot at each interface, and the bottom wall has multiple through holes communicating with the corresponding missing slots. The reflecting baffles are arranged at the interface of the first side walls and the second side walls, and the reflecting baffles and the corresponding through holes are located on the opposite sides of the corresponding missing slots. The light emitting components are respectively inserted into the corresponding through holes and exposed in the corresponding missing slots. In this way, the light uniformity is improved and the brightness difference is reduced. The utility model also provides a backlight module and a display device comprising the light source module.

The utility model relates to a kind of dual-camera chemiluminescence imaging instrument, including shell assembly, imaging assembly and sample bearing assembly, shell assembly includes shell, shell has cavity;Imaging assembly is located in cavity, imaging assembly includes at least one imaging unit, and imaging unit includes two cameras, and two cameras are black-and-white camera and color camera respectively;Sample bearing assembly is located in cavity, and sample bearing assembly is oppositely arranged with the lens of black-and-white camera and the lens of color camera.This application breaks through the limitation of single imaging mode through the cooperation of black-and-white camera and color camera, improves chemiluminescence detection sensitivity, realizes the efficient collection of multidimensional data, and accurately analyzes complex biological samples.Moreover, black-and-white camera and color camera are integrated in the same cavity, so that the two cameras share the same field of view, avoiding image error caused by sample movement.

The utility model relates to a kind of uniform light's automobile front through lamp structure and car, automobile front through lamp structure includes light guide, decoration and two light source components, decoration and light guide are along transverse and set in automobile front end, and decoration is located in the front side of light guide;The both ends of light guide are formed with the inclined section of rearward bending;The light of two light source components respectively enters light guide from the end surface of both ends of light guide, and there is a dark area compensation part between any inclined section and decoration end, dark area compensation part includes the light emitting portion located in front side and the light inlet portion located in rear side, and light inlet portion is connected with inclined section;Part of light in light guide can enter dark area compensation part from light inlet portion, and then light emitting from light emitting portion to decoration end, compared with prior art, the utility model reduces or eliminates the dark area of front through lamp both ends, and the light emitting uniformity effect is better;Car has the aforementioned front through lamp structure, and has identical technical effect.

The folding panel lamp comprises a bottom frame, a lamp shell, a diffusion plate and a light-emitting assembly which are matched with one another, wherein the light-emitting assembly is mounted in the lamp shell; the bottom frame, the lamp shell and the diffusion plate telescopically adjust the height between the lamp shell and the diffusion plate through a telescopic structure, and the telescopic structure comprises that the bottom of the bottom frame extends inwards to form a pressing plate, the edge of the bottom extends upwards to form a platform, and the inner end of the platform inclines downwards to form a clamping hook; the outer end of the diffusion plate is lapped on the pressing plate; the lamp shell is provided with a side face made of elastic foldable materials, the bottom of the side face inwards forms an upper pressing plate and obliquely upwards forms a clasp, and the upper pressing plate presses the diffusion plate and clamps the clasp into the clamping hook of the bottom frame to be fixed. The lamp shell is pulled or pressed down to pull up or bend the foldable side face of the lamp shell to adjust the distance between the light-emitting assembly in the lamp shell and the diffusion plate, the structure is simple, and light emitting uniformity is good.

The application relates to the technical field of display module manufacturing, and discloses a light conversion and diffusion integrated backlight module based on a perovskite quantum dot material and a preparation method thereof, which comprises a light guide plate, a blue light LED light source, a reflecting sheet and a light conversion and diffusion integrated film sheet on the light emitting side. The film sheet is made of maleic anhydride grafted polyolefin elastomer, ethylene-vinyl acetate copolymer, a ternary copolymer containing an epoxy group, polymethylsilsesquioxane and perovskite precursor and the like through extrusion and devolatilization. The epoxy groups and the anhydride groups in the film sheet are crosslinked to form a spatially confined microphase structure anchored through reaction, the perovskite luminophore is wrapped in the inside of the network, and the polymethylsilsesquioxane is distributed at the polymer phase interface. The application can block water and oxygen penetration, improve the stability of the light emitting film sheet in a high temperature and high humidity environment, realize physical isolation and optical decoupling of the light emitting phase and the diffusion phase at the same time, and improve the light emitting uniformity and photoluminescence quantum yield of the backlight module.

The utility model discloses a luminous keyboard, which comprises a keyboard shell and a main control circuit board arranged in the keyboard shell, a plurality of key switches are arranged on the main control circuit board, each key switch comprises a key shell and a pressing shaft arranged in the key shell, a through hole is arranged at the top of the key shell, and the key shell and the pressing shaft are arranged in the through hole. The top end of the pressing shaft penetrates through the through opening, the key shell is provided with two light-transmitting grooves which are symmetrically distributed, the light-transmitting grooves are internally provided with light guide pieces which are arranged in a split mode with the key shell, the light guide pieces are formed by transparent or semitransparent materials, the main control circuit board is provided with two light-emitting pieces corresponding to each key switch, and the light-emitting pieces are arranged on the main control circuit board. The positions of the two light-emitting pieces correspond to the positions of the two light-transmitting grooves in a one-to-one mode. The main control circuit board is provided with the light-emitting parts corresponding to the two light-transmitting grooves one to one, so that the light uniformity of the light guide parts is improved, the light-emitting effect of the keyboard is improved, and the use experience of a user is improved.

The utility model relates to mirror cabinet technical field especially relates to a mirror cabinet door, including door frame, the front side of door frame is equipped with first installation cavity, is equipped with outer lens in first installation cavity, and its back side is equipped with luminous cavity, is equipped with lamp strip and reflection bottom plate in luminous cavity, reflection bottom plate includes plane part and the arc surface department connected in one side of plane part, the arc surface department sets up in outer lens edge rear side, lamp strip sets up in arc surface department close to outer lens center one side, and its setting is in the front side of plane part, provides light source through lamp strip, through plane part to reflect light to the front and through arc surface department to reflect light to the center direction of outer lens, guarantee whole outer lens brightness is sufficient, prevent appearing local shadow, improve the illumination uniformity and improve user's use experience.

The utility model relates to the technical field of car lamp design, in particular to a car lamp structure with an interactive function. Comprising an optical module and an outer lampshade, the optical module comprises a circuit board and a plurality of LED light sources, the LED light sources are located between the circuit board and the outer lampshade and evenly distributed on the circuit board, the optical module is connected with a double-color inner lampshade through a plurality of light blocking supports, and the double-color inner lampshade comprises an inner lampshade light-transmitting part and an inner lampshade light-proof part which are regularly arranged. One end of the light blocking support is connected to the circuit board and located between the adjacent LED light sources, and the other end of the light blocking support is connected with the light-proof part of the corresponding inner lampshade. The side, away from the LED light source, of the double-color inner lampshade is connected with the outer lampshade. Light emitted by the LED light source can sequentially pass through the gap between the light blocking supports, the light transmitting part of the inner lampshade and the outer lampshade. The double-color inner lampshade and the light blocking support are used for blocking light, so that the phenomena of light channeling of adjacent point pixels, unclear pattern boundaries and the like are avoided, and the optical uniformity is improved.

This utility model belongs to the field of lighting technology and discloses a diffuse reflection lighting device. Both the first and second light-blocking sections are provided with diffuse reflection layers. Direct light emitted by the lighting unit located in the installation space can be effectively intercepted by the adjacent sides of the first and second light-blocking sections, preventing direct light from illuminating the object to be illuminated below the main body of the device and causing localized overexposure or directional shadows. Furthermore, after the direct light reaches the adjacent sides of the first and second light-blocking sections, it forms diffuse reflection light under the action of the diffuse reflection layers, enhancing the uniformity of illumination on the object to be illuminated, improving the overall illumination effect of the lighting unit on the object to be illuminated, and ensuring the accuracy of subsequent visual inspection operations on the object to be illuminated. The diffuse reflection lighting device only provides diffuse reflection layers on the first and second light-blocking sections, shortening the reflection path and reducing the cost of reflection, thereby reducing the overall manufacturing cost of the light-blocking unit and decreasing the light loss rate.

This invention discloses an ultra-thin aerospace light guide control board structure based on a laser and optical fiber. The ultra-thin aerospace light guide control board structure includes: a control board body, a laser, and an optical fiber. The laser and the optical fiber are externally mounted on the control board body and serve as the light source for the control board body. The advantage of this invention is that, since the laser and the optical fiber are externally mounted, they do not occupy the internal space of the control board body, thereby allowing the control board body to be made thin.

The invention relates to a light-emitting device, a preparation method thereof and display equipment. The light-emitting device comprises a driving substrate, a light-emitting element, an optical diffusion layer and a texture layer, the light-emitting element is located on at least one surface of the driving substrate; the optical diffusion layer is located on the surface, provided with the light-emitting element, of the driving substrate, and the light-emitting element is integrally wrapped by the optical diffusion layer; the texture layer is located on the surface, away from the driving substrate, of the optical diffusion layer and comprises a transparent base material layer and an ink layer which are arranged in a stacked mode, the material of the ink layer comprises reflective ink, and the ink layer forms texture patterns on the surface of the transparent base material layer. According to the light-emitting device, the original color difference perception of the light-emitting device in a non-working state can be weakened, so that the screen-off hiding effect of the light-emitting device is realized. According to the light-emitting device, the screen-off hiding effect of the light-emitting device can be achieved, and meanwhile the normal display effect cannot be affected when the light-emitting device is turned on.