10results about How to "Improve light energy utilization" patented technology

The application discloses a polarizer, a liquid crystal panel and a display device, relates to the technical field of display, and discloses a polarizer, which comprises a first protective layer, a first triangular prism array structure, a polarization layer, a second triangular prism array structure and a second protective layer which are sequentially stacked. The application effectively improves the light condensation capacity of the polarizer.

The application discloses a kind of zero visual seam's liquid crystal display unit, it is related to display technical field.The display unit includes backlight module, liquid crystal panel assembly and optical compensation composite cover plate.Wherein, the edge of backlight module is equipped with the chamfer support surface that is inwards shrinkage, the non-display area of liquid crystal panel assembly is bent or adhered along the chamfer support surface, so that the physical height of non-display area is lower than the plane where effective display area is located.Optical compensation composite cover plate is adhered to the surface of liquid crystal panel assembly and extends to cover above non-display area, and the cover plate sequentially includes light remodeling layer, waveguide light uniform layer and wide-angle scattering layer from bottom to top.The application is cooperated by mechanical structure and micro-nano optics, realizes the visual screening of physical seam under the premise of not increasing electronic control complexity, solves the problems of large assembly thickness, black seam ghost and edge image distortion in traditional seam elimination scheme.

This application discloses an LCOS optical system and an AR device, relating to the field of augmented reality technology. The LCOS optical system includes an illumination module and an imaging module disposed on the light-emitting side of the illumination module. The illumination module includes a light source, a first collimation module, and a light-uniforming element. The imaging module includes a beam splitter, an LCOS device, and a projection lens, with the first collimation module, the light-uniforming element, and the beam splitter arranged sequentially along the light-emitting direction of the light source. The light beam emitted from the light source is collimated by the first collimation module and uniformly irradiated by the light-uniforming element before entering the beam splitter. After passing through the beam splitter, it enters the LCOS device, where the LCOS device modulates the beam into image light carrying image information. This image light is then transmitted to the projection lens through the beam splitter to project an image. This LCOS optical system and AR device can reduce the illumination space, contributing to the miniaturization of the LCOS optical system and AR device.

The utility model relates to a kind of optical waveguide with double-sided coupling-out structure. Including: waveguide substrate, coupling-in unit, first coupling-out unit and second coupling-out unit, coupling-in unit and first coupling-out unit are located in the first surface of waveguide substrate, second coupling-out unit is set in the second surface of waveguide substrate opposite to first coupling-out unit, and second coupling-out unit is high-reflection-efficiency diffraction structure.Coupling-in unit is configured to couple image light into the waveguide substrate, part of the image light is diffracted by the first coupling-out unit, and the remaining light is reflected by the second coupling-out unit when it reaches the second coupling-out unit.

This invention discloses a self-cleaning and dust-resistant polyurethane synthetic leather and its preparation method, belonging to the field of polyurethane technology. The self-cleaning and dust-resistant polyurethane synthetic leather comprises an isocyanate-terminated polyurethane prepolymer, an N-doped titanium dioxide photocatalyst, a polyether / siloxane hybrid phosphate modifier, and various additives. This invention enhances the intrinsic photocatalytic activity of TiO2 through N-doping without altering its crystal structure. A self-designed hybrid phosphate modifier achieves N-TiO2 chemical anchoring and surface-oriented enrichment, significantly improving the utilization rate of active sites and achieving TiO2 reduction without sacrificing efficiency. Simultaneously, a dust-resistant, antistatic, and self-cleaning synergistic system is constructed to maintain long-term self-cleaning properties, while simultaneously optimizing the mechanical and weather-resistant properties of the synthetic leather. It is compatible with existing mass production processes and has significant industrialization value.

The utility model discloses a photovoltaic panel and photovoltaic module are applied to photovoltaic technical field, and photovoltaic panel includes the front glass, cell piece and back glass of laminated arrangement, and the front glass includes: front glass body and first front film layer, and first front film layer is located the side of front glass body close to cell piece, and back glass includes: back glass body and first back film layer, and first back film layer is located the side of back glass body close to cell piece, and first front film layer and / or first back film layer include laminatedly arranged first barrier layer and second barrier layer, and first barrier layer is close to cell piece setting, and the refractive index of first barrier layer is less than the refractive index of second barrier layer. The photovoltaic panel provided by the utility model has the function of increasing the penetration for the light entering the inside of photovoltaic panel, improves the utilization of light energy, has the good blocking effect to the metal ions such as sodium ion, calcium ion from glass, and improves the PID resistance of the photovoltaic panel.

The utility model provides an ultrathin flexible bendable light guide plate structure, which belongs to the technical field of optical lighting equipment and comprises a bottom frame, a light-transmitting plate fixedly mounted on the inner wall of the bottom frame, a light-transmitting hole formed in the surface of the light-transmitting plate, a core component arranged on the inner wall of the light-transmitting plate and a connecting component arranged on the surface of the core component. The reflecting plate is fixedly connected to the inner wall of the bottom frame. Through the arrangement of the multi-layer composite structure, the excellent optical performance and the flexible bendable characteristic of the light guide plate in the ultrathin form are achieved, the polymethyl methacrylate core light guide layer is matched with the glass bead scattering layer, and even area light source output is achieved while the light conduction efficiency is guaranteed; due to the unique design of the flexible coating and the transparent polyimide substrate, the product has excellent bending performance and can adapt to various curved surface mounting requirements, and due to the combination of the ultrathin glass filling layer and the atomized PET film mounting layer, the structural stability is ensured, and good optical interface characteristics are maintained.

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 a method for preparing a ruthenium bipyridine-anchored photocatalyst, and also relates to its application in the conversion of biomass-based oil into alkane fuels, belonging to the field of photocatalysis technology. The preparation method involves using a sulfonated semiconductor material in combination with divalent tripyridine ruthenium, wherein the divalent tripyridine ruthenium couples with sulfonic acid groups on the surface of the sulfonated semiconductor through secondary ion exchange to form a ruthenium bipyridine-sulfonic acid ligand structure. The photocatalyst prepared by this invention has the following characteristics: it can significantly improve the separation efficiency of photogenerated carriers, enhance the absorption performance of the catalyst in the visible light band, and achieve comprehensive enhancement of catalytic performance through optimized oxidation and reduction capabilities. The photocatalyst prepared by this invention exhibits excellent light energy utilization efficiency and product yield in the photocatalytic conversion of biomass-based oil into alkane fuels, overcoming the limitations of single photocatalytic materials, and possesses significant technological advancements and broad practical application prospects.

This utility model discloses an energy-saving refrigerated display cabinet, relating to the field of refrigerated cabinet technology. It includes a display cabinet body, a natural air cooling unit, an energy-saving lighting unit, and a sliding sealing unit. The natural air cooling unit is installed on the upper part of the display cabinet body. The natural air cooling unit includes a fan, a filter cover, a vortex tube, a connecting pipe, an air guide pipe, and a mounting bracket. The mounting bracket is fixedly connected to the upper part of the display cabinet body. An air guide pipe is fixedly connected to the rear inner side of the mounting bracket. A vortex tube is fixedly connected to the right end of the mounting bracket. The cold air outlet of the vortex tube is connected to one end of the air guide pipe. A fan is fixedly connected to the right end of the mounting bracket. The fan outlet is fixedly connected to the vortex tube inlet via a connecting pipe. A filter cover is threadedly connected to the fan inlet. This energy-saving refrigerated display cabinet can reduce energy consumption during use and improve the sealing performance of the device to prevent temperature drops due to poor sealing during use.