76results about How to "Good color" patented technology

The present application relates to a kind of scratch-resistant easy-to-color polypropylene composite material and its preparation method and application, belong to the composition technical field of polymer compound.The scratch-resistant easy-to-color polypropylene composite material of the present application includes the following weight parts of component: polypropylene resin 50~99 parts, toughening agent 0~20 parts, filler 0~25 parts, flake graphite 0.05~1.1 parts, scratch-resistant agent 0.5~4 parts;The flake graphite includes flake graphite A and flake graphite B, the mesh number of the flake graphite A is ≥1000 mesh;The mesh number of the flake graphite B is ≤400 mesh, and the flake layer structure between flake graphite B is filled with scratch-resistant agent.The polypropylene composite material not only has excellent scratch resistance, but also has good coloring performance.

The application provides a deep-sea underwater sequence image enhancement method and device, electronic equipment and storage medium. Strong prior information is extracted from an obtained original deep-sea underwater sequence image and target object segmentation is performed, and a degraded region is detected based on a segmented target object region. A global background light is estimated from an edge region of the degraded region through a physical model, the estimation accuracy of transmittance is improved by using a color line prior theory, the degraded region is repaired according to the optimized transmittance, and a restored deep-sea underwater sequence image is obtained. The restored deep-sea underwater sequence image is enhanced by combining a FUnIE-GAN network and a suirSIR network. Color transfer is performed according to underwater sequence image content similarity, and sequence image color consistency is ensured. The application realizes color, illumination and definition enhancement of the deep-sea underwater sequence image, maintains sequence image color consistency, and ensures time smoothness of the output sequence.

This invention discloses a black-based blue-spotted glaze with an earthworm-like pattern and its preparation method. The glaze consists of a body, a black base glaze, and a blue-spotted glaze from the inside out. The raw materials for the black base glaze are: feldspar, calcite, calcium borate, dolomite, talc, barium carbonate, quartz, bentonite, zirconium silicate, rutile, cobalt oxide, manganese oxide, and iron oxide. The raw materials for the blue-spotted glaze are: feldspar, limestone, alumina, talc, barium sulfate, Datong clay, zinc oxide, quartz, and titanium dioxide. The preparation method includes: 1. Wet ball milling the black base glaze raw materials to obtain a black base glaze slurry; 2. Wet ball milling the blue-spotted glaze raw materials to obtain a blue-spotted glaze slurry; 3. Bisque firing the body; 4. Applying the black base glaze slurry to the body and drying it; 5. Applying the blue-spotted glaze slurry to the body and drying it; 6. Oxidation firing and reduction firing of the body, followed by natural cooling to obtain the black-based blue-spotted glaze. The raw material formula of this invention is reasonable and environmentally friendly, which can improve the mechanical properties of the glaze; the preparation method is simple and the yield is high.

The present application relates to a kind of high activity Matcha yoghurt and its low-temperature microwave preparation method, belong to food processing technical field.The present application uses organic raw cow milk, Matcha powder, white granulated sugar, corn starch etc.as raw material, using the combination process of adding Matcha before fermentation, low-temperature pre-solution dispersion, microwave low-temperature sterilization, replace traditional high-temperature mixing and high-temperature sterilization, solve the existing Matcha yoghurt chlorophyll browning, tea polyphenol degradation, tea aroma loss, water retention decreases, lactic acid bacteria activity low etc.Problems.The optimal formula of the present application: Matcha powder 10g / 1000mL milk;Using 60~65 ℃ low-temperature dissolution avoids powder agglomeration;Using 40~60 ℃ microwave low-temperature sterilization maximizes to retain heat-sensitive ingredients;Add before fermentation to promote lactic acid bacteria proliferation.The yoghurt prepared has uniform green color, rich tea aroma, delicate and smooth taste, high tea polyphenol retention rate, lactic acid bacteria viable count can reach 8.85×10 8 CFU / mL, water retention ≥80%, sensory score ≥90 points.The process of the present application is simple, and can be industrialized production, suitable for high-quality functional Matcha yoghurt development.

This invention discloses a method for topping tobacco leaves in cigar tobacco cultivation. This method ensures uniform growth of tobacco plants in the field, regulates nicotine content in the leaves, and improves yield and overall usability. The method includes the following steps: S1, Timing Determination: The optimal time for topping is determined when the tobacco plant has 14-16 leaves, with the top leaf reaching 2-3 cm in length; S2, Topping Operation: The top growing point of the tobacco plant is removed; S3, Post-processing: The removed growing point is collected and disposed of outside the field. Topping can improve tobacco quality, promote leaf growth and biomass, thereby increasing yield; it can make leaves thicker, more oily, and better colored; it can also effectively regulate the content of nicotine and other chemical components in the tobacco leaves, making them more balanced, thus improving intrinsic quality; and it can also improve the overall usability of the tobacco leaves.

The utility model relates to the field of food processing, in particular to a drying device for day lily. The utility model provides a drying device for day lily, which comprises a support, a conveying component, a fan and the like, the conveying component is mounted on the upper side of the support, and the fan is arranged below the conveying component. Through the arrangement of second rotating shafts, a second belt pulley set and a second poke rod, the second rotating shafts on the outer side synchronously rotate when the conveying belt runs, power is transmitted to the second rotating shafts on the inner side through the second belt pulley set, then the second poke rod is driven to rotate, the second poke rod pokes day lily in the day lily conveying process, and the day lily conveying efficiency is improved. Compared with the prior art, the daylily drying device has the advantages that the daylily is more loosely distributed on the conveying belt, so that the daylily is uniformly heated in the whole drying process, the condition of local excessive drying or insufficient drying is avoided, the drying efficiency and the product quality are also improved, and the finally produced daylily has excellent color, flavor and nutritional value.

The utility model relates to the technical field of tea processing, and discloses a light quality withering device which comprises an arc cover and two side plates which are arranged on a withering groove and can be clamped and support the arc cover in a sliding manner, the side plate on one side is hinged with one side of the arc cover, and the side plate on the other side is movably clamped with the arc cover; a partition plate is arranged in the arc cover; a plurality of radiators are fixedly arranged on the top face of the partition plate, a plurality of lamp tubes are fixed on the bottom face of the partition plate, and radiating holes are distributed in the partition plate. A plurality of heat dissipation holes are also distributed above the corresponding arc cover; detachable baffles for shielding and sealing are arranged on the front side and the rear side of the arc cover; the baffles are used for sealing the lower part of the arc cover and the cavity of the withering trough; a switch is arranged on the arc cover and used for controlling on-off of the radiator and the lamp tube. The device is adaptive to the existing withering trough, is beneficial to heat dissipation of tea leaves in the withering process, applies light with different wavelengths to different tea leaves, remarkably improves the quality of tea leaf products, and is simple, practical and easy to popularize.

The invention relates to the technical field of biochemical sensing, in particular to an aminoglycoside antibiotic dual-mode visual detection card and a preparation method and application thereof, and the detection card is composed of two parts: an aminoglycoside antibiotic dual-mode labeling reagent and qualitative filter paper. The dual-mode labeling reagent is formed by self-assembling ninhydrin and lanthanide metal ions, and is used for providing a color development / ratio fluorescence dual-mode detection signal; the qualitative filter paper is used for efficient adsorption and enrichment of aminoglycoside antibiotics, and can significantly enhance color development and fluorescence signals. The detection card provided by the invention can realize double-mode (color development and fluorescence) visual detection and identification of aminoglycoside antibiotics only by using one labeling reagent, and is good in response selectivity, high in sensitivity, strong in anti-interference capability, mild in condition and easy to popularize. The detection accuracy and reliability can be remarkably improved through cross validation of double-signal-channel visual detection results.

The application belongs to the technical field of building integrated photovoltaics, and discloses a building photovoltaic integrated space deployment method under the double constraints of vision and performance. The application uses grid division and target point selection technology to screen photovoltaic deployment building surfaces. This method can make the layout of photovoltaic components more scientific and reasonable, avoid the problem of improper building surface selection caused by only relying on illumination conditions or simple experience judgment in traditional methods, and ensure that the photovoltaic system can maximize the reception of solar energy. At the same time, a dynamic shadow blocking calculation method is adopted, the blocking effect of the surrounding environment is considered, and the photovoltaic potential of the building surface is fully evaluated and tapped. Through a multi-objective optimization method, the power generation performance and visual impact of the photovoltaic system are comprehensively considered to find the best balance point. This not only guarantees the efficient operation of the photovoltaic system, but also reduces its negative impact on the visual environment, and improves the scientificity and practicality of the installation scheme.

The application discloses a kind of water-based dispersant and preparation method thereof, belong to pigment dispersant technical field.The water-based dispersant is random copolymer obtained by radical copolymerization of maleic acid mono-aromatic ester intermediate and hydrophilic polymerizable monomer, and hydrophilic carboxyl group and hydrophobic benzyl side chain or phenylethyl side chain are distributed in the side group of its molecular main chain.The dispersant is prepared by esterification, neutralization and water phase copolymerization three-step reaction, the preparation process of the application is green and environmentally friendly, no organic solvent residue, the obtained dispersant realizes pigment anchoring through the π-π conjugation of hydrophobic side chain, and the hydrophilic carboxylate group realizes electrostatic stabilization, and the double synergistic effect significantly improves dispersibility and storage stability, especially suitable for phthalocyanine blue and other aromatic ring-containing pigments dispersion, and can be widely applied in the field of paint, ink and the like.

The application discloses a ceramic tile cloth powder control method and system, and relates to the technical field of ceramic tile production. The method comprises the following steps: acquiring ceramic tile pattern data required for current production; converting the ceramic tile pattern data into bitmap data, and performing pixel optimization on the bitmap data according to a preset pixel optimization rule to obtain bitmap data of a target resolution; performing partition processing on pixel points in the bitmap data to obtain pixel region data after partition; pairing the pixel region data with a preset cloth powder control database to obtain cloth powder control data of a discharging mechanism; and controlling the discharging mechanism to perform automatic discharging work according to the cloth powder control data, so that powder fills corresponding cloth regions, thereby forming a ceramic tile powder layer with a required pattern. The application can adapt to the production requirement of rapid switching of ceramic tile patterns, has high production efficiency, and the texture and color effect of the produced ceramic tiles are good.

The present application relates to a kind of LED device and display module, the LED device includes support and the red luminescent body, green luminescent body, blue luminescent body, yellow luminescent body and cyan luminescent body being arranged on the support;The support is equipped with at least 2 independent bowl cup structures, and the red luminescent body, green luminescent body, blue luminescent body, yellow luminescent body and cyan luminescent body are arranged in the bowl cup structure, and plastic fence is arranged between the bowl cup structure.The LED device of the present application increases the luminescent body capable of emitting yellow and cyan, greatly widens the color gamut, and, the superposition of the multiple primary colors of the LED device of the present application can synthesize white light with continuous spectrum, so that the light emitted is more real and natural;The white light source has good color rendering, and when being irradiated to the illuminated object, it has more natural and more real color restoration.

This invention discloses an apparatus and method for preparing fresh Dendrobium officinale extract, belonging to the field of medicinal plant processing. It solves the problems of low extraction rate of active ingredients, loss of heat-sensitive components, short shelf life, high cost, and difficulty in industrialization in existing fresh Dendrobium officinale processing methods. The apparatus consists of a cutting machine, an automatic conveying system, a pure copper tank, a dedicated grinder, a plate centrifuge, a homogenizer, a DSI instantaneous sterilizer, and a Class 100 aseptic filling platform connected sequentially, adaptable to the entire fresh Dendrobium officinale processing flow. The method uses fresh stems of Dendrobium officinale (green-stemmed ironwood / Dendrobium huoshanense) as raw material. After pretreatment and 2-5mm slicing, the stems are ground with tap water boiled and cooled to 2-8℃ in a copper tank at a material-to-liquid ratio of 1:15-30 to break the cell walls. The mixture then undergoes solid-liquid separation, homogenization, DSI instantaneous sterilization, and aseptic filling to obtain the finished product. The total time from slicing to sterilization is ≤4 hours. This invention improves the retention and yield of active ingredients (95.5%), reduces overall costs by 21.95%, and the product has a shelf life of over 6 months at room temperature away from light. It has a bright green color, a strong gelatinous texture, and can be compounded or further processed, resulting in high market value.

The invention relates to the field of protein extraction technology and multi-scene application, in particular to a high-functionality flaxseed protein-polysaccharide natural co-extract with good color and luster and a preparation method and application thereof. The method comprises the following steps: performing subcritical extraction on flaxseed cakes, squeezing the flaxseed cakes at low temperature / proper temperature to obtain degreased flaxseed cakes, crushing and screening the degreased flaxseed cakes to obtain degreased flaxseed meal powder, efficiently dissolving out protein and polysaccharide in the flaxseed meal powder through alkali dissolution synchronous double-frequency ultrasonic circulating treatment, and centrifuging to obtain supernate. A membrane separation device and a double-frequency ultrasonic device are connected in series through a pipeline to form a circulating system, obtained protein-polysaccharide supernate is treated through the system, and the protein-polysaccharide supernate is separated through the synergistic effect of key parameters such as membrane molecular size, ultrasonic power and ultrasonic intermittent time. The effect that the protein-polysaccharide supernate is subjected to concentration and intermittent ultrasonic modification at the same time can be achieved, a highly concentrated solution is finally obtained, and the concentrated solution is freeze-dried to obtain the flaxseed protein-polysaccharide natural co-extract. Compared with the existing single high-purity flaxseed protein, the flaxseed protein-polysaccharide co-extract prepared by the method has good color and excellent emulsibility, foamability and gelling property.

The invention relates to the technical field of ganoderma lucidum spore oil extraction, and discloses an efficient ganoderma lucidum spore oil extraction device and process, the process comprises pretreatment, supercritical extraction, separation and purification and post-treatment.The pretreatment device comprising a microwave wall breaking unit is additionally arranged, efficient cell wall breaking treatment is carried out on ganoderma lucidum spore raw materials, and the extraction efficiency is improved; the compact structure of a spore wall is destroyed, so that internal grease is easier to release, and the extraction efficiency of a subsequent extraction process and the yield of a target product are improved; by adopting an extraction system which takes supercritical carbon dioxide as a main body and cooperates with an entrainer, the specific high diffusivity and strong dissolving capacity of supercritical fluid are utilized, and the solubilizing effect of the entrainer on polar components is combined, so that fat-soluble and partial polar active components in the ganoderma lucidum spores are efficiently and selectively extracted; the extraction rate and the comprehensive quality of an extraction product are improved.

The invention discloses mushroom and lucid ganoderma wine and a brewing method thereof.The mushroom and lucid ganoderma wine is prepared from 260-300 kg of rice wine, 430-470 kg of distilled liquor, 6-12 kg of mushrooms, 1-5 kg of lucid ganoderma, 2-7 kg of milkvetch roots, 2-7 kg of Chinese wolfberry fruits, 1-5 kg of mulberries, 6-12 kg of cistanche deserticola and 250-300 kg of cold boiled water according to 1000 kg of finished products. The lentinus edodes and lucid ganoderma wine brewed by the method integrates the effects of various medicinal and edible food materials such as the sticky rice, the lentinus edodes, the lucid ganoderma and the astragalus membranaceus, and has relatively high nutritional and medicinal values; the effects of resisting cancer, enhancing human immunity, tonifying qi, soothing the nerves, relieving cough and asthma, supporting healthy energy, protecting the liver, resisting fatigue, delaying senescence, reducing blood sugar, promoting circulation, expanding blood vessels, reducing blood cholesterol and triglyceride and the like can be achieved.

The invention provides a gene combination related to wheat flour color, a dominant gene combination and application in breeding, and belongs to the technical field of breeding. According to the invention, 12 genes influencing the color of the flour are screened by utilizing a 166 sample group, 9 dominant genes are screened, and the genes can be used as important genes of the color of the flour and have remarkable breeding utilization value. The invention proves that wheat varieties (lines) containing Psy-A1b, Pds-B1b, Lcye-A1b, Lcye-B1b, Lox-B1a, Ppo-A1b, Ppo-D1a, Pd-2D-GG / AG and non-1B / 1R translocation have advantages in flour color, the flour color is gradually improved along with the increase of the number of the wheat varieties (lines), and the wheat varieties containing the combination of at least six of the alleles have excellent flour color, can be used as excellent parents of high-brightness white flour wheat, and have broad application prospects. And an important material is provided for the cultivation of new wheat varieties.

The application discloses a preparation method of deer whole blood small molecule peptides, and solves the technical problem of poor accessibility of enzyme cutting sites caused by the quaternary structure of hemoglobin and the combination characteristics of hematin through specific recognition of functional domain sequences, layered construction of special composite enzyme systems and distributed enzymolysis; the obtained deer whole blood small molecule peptides have good color, high yield of 500-3000 Da peptide segments, and also retain characteristic trace elements such as iron and zinc.

Provided are a metal pigment containing novel composite particles that have not been seen in conventional technologies and a method for manufacturing a metal pigment having reduced flocculation. The problem is solved by a metal pigment containing metal particles and composite particles having one or more coating layers formed on surfaces of the metal particles, or the like, the metal pigment being characterized in that (1) the composite particles have a flaky shape, (2) a volume-based diameter D50 is 0.1 to 30 µm when a particle size distribution of the composite particles is measured by a laser diffraction type particle size distribution meter, and (3) the composite particles have an average thickness of 15 to 300 nm.

The utility model belongs to the technical field of lighting devices, and particularly provides a lighting system which comprises a control module, an environment detection module, a white light emitting module and a golden light emitting module, and the golden light emitting module comprises a yellow light emitting assembly and a red light emitting unit. When the environment detection module detects that the weather condition is good, the control module only lightens the white light emitting module, and when the environment detection module detects that the weather condition is bad, the control module lightens the golden yellow light emitting module and simultaneously closes the white light emitting module or keeps lightening the white light emitting module. Yellow light emitted by the yellow light emitting assembly and red light emitted by the red light emitting unit are mixed to obtain golden yellow light with the color temperature ranging from 1700 K to 2500 K, compared with white light, the golden yellow light is lower in color temperature, longer in wavelength and weaker in scattering in environments such as rain, fog and dust, penetrating power can be improved, the effective lighting distance can be increased, and therefore driving safety is improved.

The present application belongs to the technical field of multifunctional textiles, and provides a biomass-based multifunctional flame-retardant textile and a preparation method thereof.Cotton fabric is dipped in a folic acid aqueous solution and dried, the folic acid-treated cotton fabric is dipped in an egg yolk aqueous solution and dried; the cotton fabric is alternately dipped in the folic acid aqueous solution and the egg yolk aqueous solution to obtain pretreated cotton fabric; the pretreated cotton fabric is dipped in a phytic acid aqueous solution and dried to obtain a biomass-based colored antibacterial and ultraviolet-resistant multifunctional flame-retardant textile.The present application uses a layer-by-layer self-assembly method to construct a folic acid / egg yolk / phytic acid coating on the surface of the cotton fabric, successfully prepares an antibacterial and ultraviolet-resistant multifunctional flame-retardant textile with good coloring effect, improves the added value of the textile, expands the application field of the textile, and has important practical application value and social significance.

The application provides a progressive image defogging method based on a CNN and a convolutional LSTM network, and relates to the technical field of image processing. The method comprises the following steps: obtaining a haze-free image and a hazy image under the same scene; constructing an image defogging model comprising a down-sampling module, a plurality of defogging modules and an up-sampling module, wherein the defogging modules are embedded with LSTM modules; inputting the hazy image into the image defogging model to obtain a haze-free image estimated by the model; calculating a loss together with the haze-free image estimated by the model, the haze-free image and the hazy image, training the image defogging model, and obtaining a trained image defogging model; cutting the trained image defogging model, selecting the number of defogging modules to be used, constructing a prediction model, and realizing haze removal of a haze weather degraded image based on the prediction model. The progressive image defogging model can make the converged model have a certain cuttability to adapt to different application scenarios.

An image processing method and device, a computer readable storage medium and a terminal, the method comprising: acquiring F frames of first images, F being an integer greater than 1; inputting the F frames of first images into a neural network model trained in advance to obtain fusion parameters output by the neural network model, the fusion parameters comprising enhancement parameters and weight parameters, wherein the enhancement parameters comprise a mapping vector corresponding to each pixel point of each frame of first image, and the weight parameters comprise a weight value corresponding to each pixel point of each frame of first image; performing enhancement processing on the F frames of first images according to at least the enhancement parameters to obtain F frames of second images; and performing fusion processing on the F frames of second images according to the weight parameters to obtain a target image. Through the scheme provided in the present application, multiple frames of images can be fused efficiently to obtain a high-quality image.

The application provides a kind of global-local feature fusion pathological image virtual restaining method, with such characteristics, comprising the following steps: step S1, construct the pathological image virtual restaining network including global branch and local branch, then according to existing pathological image, the pathological image virtual restaining network is trained, and the trained pathological image virtual restaining network is obtained as pathological image virtual restaining model;Step S2, the staining section image is input into pathological image virtual restaining model, and the virtual restaining image is obtained.In short, the method can better solve the block effect, so that the virtual restaining image is closer to the real staining effect.

An ink jet printing ink comprises a color material selected from an acid dye and a reactive dye; an organic solvent, and water, wherein the organic solvent has an SP (solubility parameter) value of equal to or larger than 11 and equal to or smaller than 13.5 and has a viscosity, at 20°C, of equal to or larger than 10 mPa·s and equal to or smaller than 180 mPa·s.

Provided is a method for producing a decorative sheet which has a texture closer to that of a natural material, exhibits a good color close to that of the natural material, and has excellent post-processing resistance to post-processing such as V-groove bending. To this end, a pattern layer (5) having a pattern, a transparent thermoplastic resin layer (6) containing a nano-sized nucleating agent, and a surface protection layer (7) are laminated in this order on one surface of a colored thermoplastic resin layer (2), and colorless or light-colored ink and a material that absorbs light of a predetermined wavelength compared to the colored thermoplastic resin layer (2) are used. After forming a pattern layer (8a) by arranging a bright matte appearance pattern part (3) as a region having light absorptivity on the other surface of the colored thermoplastic resin layer in synchronization with the pattern, the pattern layer (8a) is irradiated with irradiation light of which the power of the light of the predetermined wavelength is greater than the power of the light of the other wavelengths, and then the light of the predetermined wavelength is irradiated with irradiation light of which the power is greater than the power of the light of the other wavelengths. An embossed part (7a) is formed by embossing an embossed plate for forming an embossed shape on the surface protective layer (7).

The purpose of the present invention is to provide: a quality-improving agent for a processed cereal food, which improves the color and luster of the processed cereal food while improving the looseness of the processed cereal food; and a processed cereal food using the quality-improving agent for a processed cereal food. It is found that the composition can be obtained by using a composition comprising (A) a specific starch and (B) a bean-derived water-soluble hemicellulose and / or (C) a composition selected from the group consisting of Arabic gum, Pulullan, pectin, xanthan gum, succinyl glycan, guar gum, locust bean gum, tremella polysaccharide, carrageenan, tamarind gum, Tara gum, and cinnamon gum. The quality improving agent for the cereal processed food contains one or more polysaccharides selected from the group consisting of carboxymethyl cellulose and alginic acid, so that the looseness of the cereal processed food is good, and the color is improved.

The purpose of this invention is to obtain an active energy radiation-curable inkjet ink composition, characterized in that, while improving color development, it can be cured by LED, further resulting in a film with high hardness, excellent abrasion resistance, and excellent water resistance. As a solution, an active energy radiation-curable inkjet ink composition is provided, characterized in that it contains pigments, a pigment dispersant, and a photopolymerizable compound. The pigments contain Pigment Violet 19 and Pigment Orange 71, with Pigment Violet 19 comprising 30.0–85.0% by mass relative to the total mass of Pigment Violet 19 and Pigment Orange 71. The photopolymerizable compound satisfies all the main conditions of (A) to (F) below: (A) it contains 0.20–15.0% by mass of a polyfunctional amine-modified oligomer in the total amount of polymerizable components; (B) it contains 50.0% by mass of a polyfunctional amine-modified oligomer in the total amount of polymerizable components. (C) Contains monofunctional monomers accounting for 35.0% or more of the total polymerizable components and having a glass transition temperature of 20°C or more; (D) Contains monofunctional monomers accounting for 35.0% or more of the total polymerizable components and having a glass transition temperature of 10°C or less; (E) Contains polyfunctional monomers accounting for 2.0 to 11.0% of the total polymerizable components and having a glass transition temperature of 10°C or less; (F) Contains nitrogen-containing monofunctional monomers accounting for 10.0 to 25.0% of the total polymerizable components.

The application provides a laser projection device, a light source comprising a red laser component, a green laser component and a blue laser component, which respectively emit red laser, green laser and blue laser; the red laser component is arranged close to a light outlet of the light source; a static diffusion sheet is arranged in the light path of the combined blue laser and green laser or respectively for the blue laser and the green laser, so that the blue laser and the green laser are first diffused and then combined with the red laser beam; a converging lens group is arranged at the light outlet of the light source, which is used for reducing the spot of the combined three-color laser beam and then emitting the three-color laser beam from the light outlet of the light source; a diffusion wheel and a light receiving component are arranged between the converging lens and the light receiving component, which are used for diffusing the three-color laser beam in the converging state; and the light receiving component is a light guide pipe or a compound eye lens, which is used for homogenizing the three-color laser beam after diffusion. The laser projection device can present a projection picture with high brightness and good color.

This application discloses a luminescent display panel and a display bag. The luminescent display panel is used to be positioned at a light-transmitting window. The luminescent display panel includes: a light-transmitting panel body having a light-emitting surface facing the light-transmitting window; a light source assembly disposed on the light-transmitting panel body and used to emit light, so as to emit light towards the light-transmitting window through the light-emitting surface; and a color-enhancing light-transmitting layer disposed outside the light-emitting surface. The color-enhancing light-transmitting layer is used to emit light towards the light-transmitting window to illuminate the display object located at the light-transmitting window. This solves the problem in the prior art where display bags cannot clearly see the displayed items in insufficient light or dark environments.