30results about How to "No loss of light" patented technology

The invention discloses a two-component decoration sealant. The two-component decoration sealant comprises a component A and a component B, wherein the component A is prepared from the following components in parts by weight: 60-100 parts of epoxy resin, 3-20 parts of active diluents, 4-15 parts of thixotropic agents, 0.01-1 part of defoaming agents, 0-10 parts of coupling agents, 0.05-3 parts of ultraviolet absorbers, 0.01-1 part of purplish blue phase toners and 0.05-1 part of antioxidants; the component B is prepared from the following components in parts by weight: 60-100 parts of modified curing agents, 0.1-20 parts of accelerants, 1-15 parts of thixotropic agents, 1-15 parts of extender pigments and 0-10 parts of coupling agents. The two-component decoration sealant does not absorb water, and has oil dirt resistance, washability, scrubbing resistance, high strength, high brightness, blackening resistance and mildew resistance; meanwhile, the brightness lasting time is greatly prolonged; the two-component decoration sealant has yellowing resistance and water scrubbing resistance and is an environment-friendly decoration sealant.

A multi-component sealant comprises a component A, a component B, a component C and a component D, wherein the component A comprises the following raw materials in parts by weight: 60-100 parts of epoxy resin; 1-10 parts of an active diluent; 0.01-1 part of a defoaming agent; 0-10 parts of a coupling agent; 0.05-3 parts of an ultraviolet absorbent; 0.01-1 part of a purple blue phase toner; and 0.05-1 part of an antioxidant; the component B comprises the following raw materials in parts by weight:70-100 parts of a modified curing agent; 0.1-10 parts of an accelerant; and 0-10 parts of a coupling agent; the component C comprises the following raw materials in parts by weight: 130-220 parts of quartz sand; the component D comprises the following raw materials in parts by weight: 10-40 parts of extender pigment. The environmentally-friendly sealant does not absorb water, is resistant to oil and water, easy to clean, resistant to scrubbing and yellowing, high in strength and brightness and free of blackening and mildewing, and meanwhile the brightness lasting time is greatly prolonged.

The invention belongs to the technical field of wine making, and particularly relates to a mulberry wine making technology and the mulberry wine obtained through the same. The mulberry wine making technology comprises the steps of fruit selecting, sterilizing, yeast liquid preparing, initial fermenting, sealing fermenting, magnetization aging accelerating and the like. According to the mulberry wine making technology, heating and sulfur dioxide adding are not needed in the mulberry wine making process, the aging accelerating effect is achieved through a strong magnetic field, therefore, nutritional ingredients in mulberry fruits can be effectively prevented from being destroyed, the growth cycle is shortened to about 3 months from 6-12 months in traditional fermentation, and the production efficiency of the mulberry wine is improved. The made mulberry wine is full in wine body, has the inherent color of the mulberry fruits, is clear and transparent, has the pure, quiet and tasteful, pleasant and harmonious mulberry fruit aroma and wine aroma and accords with the taste of modern people.

The invention discloses an inner-barrel back cover for dry washers and a manufacturing method of the inner-barrel back cover and belongs to the technical field of inner-barrel back cover machining. The inner-barrel back cover is manufactured by steps of material cutting, blanking, stretching, punching, flanging, riveting, packaging and the like. Quality of the product is strictly controlled, so that machining qualification rate of the inner-barrel back covers is high, and surface quality is good.

The invention discloses a liquid aqueous multi-color granite coating and a preparation method thereof, for solving the problems that a conventional aqueous granite coating is severely thickened after a multi-color coating is stored, and is large in viscosity and has easily damaged constructed multi-color particles. The liquid aqueous multi-color granite coating is prepared from the following raw materials in parts by weight: 23.0-27.0 parts of silicone acrylic emulsion, 1.0-2.0 parts of propylene glycol, 1.0-2.0 parts of filming agent, 0.1-0.3 part of defoaming agent, 8.0-14.8 parts of water, 0.1-0.3 part of preservative, 0.1-0.3 part of thickening agent and 58.0-62.0 parts of multi-color particles. According to the coating, multi-color paint protecting glue is used together with special resins, elastic emulsion and silicone acrylic emulsion special for multi-color paint, the reaction gel degrees of different components are controlled to achieve relative balance of a system, the coating is free of color bleeding phenomenon after being stored for a long time and is clear and definite in color particle after being sprayed, the later thickening phenomenon of the stored liquid aqueous multi-color granite coating is effectively solved, and the storage and construction stability is improved.

The invention discloses a process for producing osmanthus fragrans Chinese pear fruit wine, which belongs to the field of agriculture product machining. The wine is made by fermenting Chinese pear and osmanthus fragrans as main materials, the sour and sweet fruit taste of the Chinese pear, the sweet fragrance of the osmanthus fragrans, and the healthcare effects of the two materials are retained. The invention mainly focuses on research on novel fruit wine which is made by mixing and fermenting the Chinese pear and the osmanthus fragrans. The process comprises the following steps: juicing fresh Chinese pear as a raw material, wherein the ratio of juice to water is 1:(0.5-1.5), adding 3-5g of dried golden osmanthus fragrans into each liter of the fermentation liquid, subsequently inoculating activated grape wine high-activity yeast to brew the osmanthus fragrans Chinese pear fruit wine, wherein the fermentation condition is that the fermentation period is 6-8 days, the main fermentation temperature is 18-22 DEG C, the initial adjusted sugar degree is 20-22%, the initial pH value is 4.0-4.5, and the yeast inoculation amount is 6-10%, and the alcoholic strength of a fruit wine finished product brewed under such conditions is about 10-11% (v / v), and the wine is pure and gentle in taste, transparent and clear in color, thick and long-lasting in fragrance, thick in fruit fragrance and soft and tender in wine fragrance.

The invention belongs to the technical field of coatings, and concretely relates to a low-VOC automobile varnish and a preparation method thereof. The low-VOC automobile varnish is prepared by mixinga component A with a component B according to a weight ratio of 1:1; the component A comprises 78-84% of polyol resin synthesized by using hydroxybutyl acrylate as a hydroxy monomer, 3-7% of hyperbranched polyester polyol resin, 3-6% of a nano-silica oily liquid, 4-8% of ethyl 3-ethoxypropionate, 2-6% of dimethyl nylon acid, 0.1-0.6% of a leveling agent and 0.01-0.06% of an organotin drier; and the component B includes 74-84% of a curing agent and 16-26% of a solvent. The varnish has a construction viscosity of 20 s / 25 DEG C (Tu-4 cup) or less and a construction solid content of 80% or above,meets the requirement of the VOC content being equal to or less than 200 g / L during construction, and also has the advantages of simple formula, low cost, and high performances of a paint film.

The invention discloses a method for coating plastic products, comprising the following steps of treating a surface by a nonionic surfactant, drying the surface, spraying adhesive primer, spraying plain colored paint and polyurethane varnish and the like. The nonionic surfactant is sprayed and washed, therefore, the quality of a coating is more stable and reliable, no pinholes and dulling situation exist, and uniform luster is provided on the surface; in addition, the coating construction process is simple with mild conditions.

The invention discloses a polished wheel cleaning technology which solves the problem that the stains on the surface of the polished aluminum alloy hub are difficult to clean, realizes full-automatic cleaning of the polished aluminum alloy hub, and has good surface cleaning quality without watermarks. The technology disclosed by the invention adopts a high-pressure spraying mode, and the cleaning solution is high-temperature resistant neutral cleaning agent. A storage tank has unique design to avoid secondary pollution of the oil stains and mud in polishing cleaning. The technological process sequentially comprises: high-pressure pre-cleaning, high-pressure cleaning and high-pressure washing. The control parameters include: pressure of 0.3-0.9MPa, temperature of 30-65 DEG C, cleaning agent concentration of 3-10%, pH value of 7.0-8.5, cleaning time of 2-8 minutes, and electric conductivity of 150-500us / cm. The technology disclosed by the invention improves the surface cleanliness, realizes automatic production, reduces the labor and lowers the cleaning cost, and is environment-friendly and clean without impact on the health of the staff.

The invention discloses a multiuse high-efficiency and environment-friendly cleaning solution and a preparation method thereof. The cleaning solution comprises sodium polyacrylate, a surface active agent and deionized water. The surface active agent comprises combination of any two of or more than two of alkyl-polyoxyethylene ether acetate, plant polyenoid phenol polyoxyethylene ether or laurinol polyoxyethylene ether. The preparation method includes the steps of adding sodium polyacrylate into deionized water, stirring until full dissolution at a room temperature, and adjusting the system pH (potential of hydrogen) to obtain first mixed liquor; adding the alkyl-polyoxyethylene ether acetate, the plant polyenoid phenol polyoxyethylene ether and the laurinol polyoxyethylene ether into the deionized water, warming and stirring until full dissolution, and adjusting the system pH to obtain second mixed liquor; adding the second mixed liquor into the first mixed liquor, adding remaining deionized water, adjusting the system pH, and stirring and mixing uniformly to obtain the multiuse high-efficiency and environment-friendly cleaning solution. The multiuse high-efficiency and environment-friendly cleaning solution is wide in application and can have a good cleaning effect after being applied to several fields.

A car-wash cleaning solution and a preparation method therefor. The car-wash cleaning solution contains sodium polyacrylate, a surfactant, sodium stearate, ethylene glycol distearate and deionized water, in which the surfactant is any two or three of alkyl polyoxyethylene ether acetate, phytocene polyoxyethylene ether and lauryl alcohol polyoxyethylene ether.

The described technology relates to a backlight unit and a display device including the backlight unit. In one aspect, the backlight unit includes a light source and a light guiding plate configured to guide light emitted from the light source. The backlight unit also includes an optical sheet integrally formed with the light guiding plate and including a micro pattern configured to emit light reflected from the light guiding plate.

The embodiment of the invention provides an optical display system and a display device, which relate to the technical field of optics and are used for reducing light loss generated when light emittedby a display screen in NED equipment passes through an optical element during transmission along a preset light path. The optical display system comprises a display screen, a polarization reflectionlayer and a dimming film layer. The display screen is used for emitting display light. The polarization reflection layer is arranged on the light emitting side of the display screen and used for reflecting light, with the vibration direction perpendicular to the light transmitting axis of the polarization reflection layer, in the display light to form first linearly polarized light. The dimming film layer is arranged on the light emitting side of the display screen and used for converting the first linearly polarized light into second linearly polarized light. The vibration direction of the second linearly polarized light is perpendicular to the vibration direction of the first linearly polarized light. In addition, the polarization reflection layer is also used for transmitting the secondlinearly polarized light. The optical display system is used for realizing near-to-eye display.

The invention relates to transparent nano-ferric oxide ink-jet color paste. The transparent nano-ferric oxide ink-jet color paste contains the following components in parts by weight: 30-35 parts of ferric oxide, 15-20 parts of a dispersing agent, 0.4-0.6 part of a pH adjuster, 0.2-0.4 part of a sterilizing agent and 45-55 parts of water. By utilizing a brand new processing process and equipment and a preferable color paste formula, the particle size of the color paste can reach the nanoscale, and the storage stability is good; and the color past is of a resin-free system, does not contain a solvent component, is environment-friendly and can be widely applied to various types of ink-jet coatings.

The invention relates to a high-chemicals resistance inner decoration high-luster black paint and a preparation method thereof. The paint is composed of a two-component system of aqueous acrylic resinand isocyanate resin, and is obtained by crosslinking and solidification through baking at the temperature of 70-80 DEG C; wherein the paint comprises a component A of 65-75 parts of self-synthesis aqueous acrylic resin, 0.1-0.5 parts of a levelling agent, 0.1-0.5 parts of an antifoaming agent, 1-3 parts of triethylamine, 1-4 parts of dimethyl ethanolamine, 10-20 parts of water, and 8 parts of 30% of non-resin aqueous black color paste; and the paint comprises a component B of 80-90 parts of the aqueous isocyanate resin, and 10-20 parts of propylene glycol methyl ether acetate. Compared withthe prior art, the preparation method is simple, water dilution performance is strong, appearance of a paint film is excellent, and the high-chemicals resistance inner decoration high-luster black paint has the advantages of high hand sweat resistance, sunscreen cream resistance, good manifestness, high hardness, and good weatherability.

The invention belongs to the field of spraying, and specifically relates to a high imitation ceramic appearance effect spraying method. The high imitation ceramic appearance effect spraying method comprises the steps of (1) pretreatment, namely, grinding and polishing a material and then carrying out T treatment; (2) ceramic primer spraying, namely, spraying a ceramic primer for the first time, and then spraying the ceramic primer for the second time; (3) intermediate paint spraying, namely, spraying color paint; (4) UV primer spraying; (5) NCVM (Non-conductive vacuum metallization); (6) UV intermediate paint spraying; and (7) UV finishing paint spraying. Products sprayed by adopting the process have the advantages of high surface hardness, strong scratch resistance, strong collision resistance, simple production process, low cost and the like.

The invention discloses a high-efficiency environment-friendly water-free car washing detergent and a preparation method thereof. The high-efficiency environment-friendly water-free car washing detergent comprises sodium polyacrylate, surfactant, sodium stearate, glycol distearate and deionized water. The preparation method includes: adding sodium polyacrylate into the deionized water, stirring at room temperature till complete dissolution, and adjusting pH of the system to obtain first mixed liquid; adding the surfactant into the deionized water, increasing temperature, adding glycol distearate, stirring for dissolving, lowering to room temperature, and adjusting pH of a system to obtain second mixed liquid; adding the second mixed liquid into the first mixed liquid, adding other ingredients, adjusting pH of a system, and stirring and mixing well to obtain the high-efficiency environment-friendly water-free car washing detergent. The high-efficiency environment-friendly water-free car washing detergent is free of any toxic ingredient, free of environment pollution, capable of realizing integration of quick decontaminating, coating and polishing, and supportive of direct use without being diluted by adding water, thereby being water-saving and environment-friendly.

A multi-component sealant comprises a component A, a component B, a component C and a component D, wherein the component A comprises the following raw materials in parts by weight: 60-100 parts of epoxy resin; 1-10 parts of an active diluent; 0.01-1 part of a defoaming agent; 0-10 parts of a coupling agent; 0.05-3 parts of an ultraviolet absorbent; 0.01-1 part of a purple blue phase toner; and 0.05-1 part of an antioxidant; the component B comprises the following raw materials in parts by weight:70-100 parts of a modified curing agent; 0.1-10 parts of an accelerant; and 0-10 parts of a coupling agent; the component C comprises the following raw materials in parts by weight: 130-220 parts of quartz sand; the component D comprises the following raw materials in parts by weight: 10-40 parts of extender pigment. The environmentally-friendly sealant does not absorb water, is resistant to oil and water, easy to clean, resistant to scrubbing and yellowing, high in strength and brightness and free of blackening and mildewing, and meanwhile the brightness lasting time is greatly prolonged.

The invention provides a coating with a long-term stability, belong to the field of coating technology. The coating comprises the following components in percentage by weight: 40-55% of alkyd resin, 4-7% of petroleum resin, 3-25% of pigment, 5-15% of filler, 2-6% of auxiliary agent, 5-15% of organic solvent and 10-15% of surfactant solution with a mass concentration of 2%. The auxiliary agent is a mixture of a dispersing agent, an organobentonite, a catalyst, an anti-skinning agent, a leveling agent and an antifreezing agent at any proportion. The surfactant solution with a mass concentration of 2% is obtained through dissolving the surfactant into water. The product is low in cost, which cannot influence the gloss, adhesion and hardness of the coating. More particularly, the product has a good storing effect, does not have the phenomena such as precipitation, loss of gloss, oil-water separation, pig skin and discoloration after being used for 2 years, and is completely environment-friendly.

The invention relates to a decorative board, in particular to an antibacterial, mould proof, corrosion-resistant and fireproof high pressure decorative sheet and a production method thereof. The decorative sheet comprises a fireproof base plate, a buffer layer is arranged on the fireproof base plate, a tack coat is arranged on the buffer layer, a decorative layer is arranged on the tack coat and the fireproof base plate is prepared from multiple layers of glass fiber mat dipped by a thermosetting alcohol soluble phenolic resin; the buffer layer is prepared from brown paper dipped by the thermosetting alcohol soluble phenolic resin; the decorative layer is prepared from decorative paper coated by an epoxy resin which is added with an antibacterial agent and has a dual curing system of thermosetting and photocuring. The decorative sheet has the advantages of waterproofing, humidity resistance, impact resistance and good dimensional stability; the surface of the decorative sheet has the advantages of corrosion resistance, fouling resistance, abrasion resistance, antibiosis and mould proofing; in addition, the surface of the decorative sheet is easy to clean, does not contain resin containing aldehyde, and has a low burst size of formaldehyde.

A disposable high-efficiency environmentally-friendly car washing towel, a high-efficiency environmentally-friendly waterless car washing wet towel, and a manufacturing method. The car washing towel comprises a three-layered structure, both the upper and lower layers being cellular-structured layers, and the middle layer being a water absorbent layer. The car washing wet towel comprises the car washing towel impregnated with a car washing liquid. The car washing liquid comprises the following constituents: sodium polyacrylate, surfactants, sodium stearate, ethylene glycol distearate, and deionized water; the surfactants are any two or three of polyoxyethylene alkyl ether acetate, plant-based polyoxyethylene polyphenol ether, or polyoxyethylene lauryl ether. The car washing towel is manufactured by employing fiber layers being compounded, glued, heated, and cured; the car washing liquid is prepared from the constituents according to a certain ratio. The car washing towel can be used either dry or wet; and the specific structure of the car washing towel greatly matches the car washing liquid, thus achieving improved cleaning effects. The car washing wet towel is free of ions or groups of nitrogen, phosphorus, ammonia, and benzene, harmless to the human body, and pollution-free to the environment.

The invention belongs to the field of organic polymer coatings, and particularly relates to a high-gloss water-based two-component finishing coat as well as a preparation method and application thereof. In the high-gloss water-based two-component finish paint, a component A comprises the following components in parts by weight: 15-40 parts of a 1 # water-based hydroxyl acrylic acid dispersion, 10-25 parts of a 2 # water-based hydroxyl acrylic acid dispersion, 1-5 parts of DPM, 1-5 parts of DPNB, 1-5 parts of trimethylbenzene, 0.1-1 part of a wetting agent, 0.1-1 part of a flatting agent, 10-30 parts of water-based color paste, 1-26.7 parts of deionized water, 0.2-1 part of a defoaming agent, 0.5-1 part of an anti-aging agent and 0.5-2 parts of a rheological agent; and the component B comprises the following components in parts by weight: 40-60 parts of PGDA and 40-60 parts of a water-based isocyanate curing agent. The water-based high-gloss two-component finish paint prepared by the invention has the advantages of good leveling property, good clarity, no particles, smooth surface and gloss superior to that required by the national standard.

The invention belongs to the technical field of coatings, and concretely relates to a low-VOC automobile varnish and a preparation method thereof. The low-VOC automobile varnish is prepared by mixinga component A with a component B according to a weight ratio of 1:1; the component A comprises 78-84% of polyol resin synthesized by using hydroxybutyl acrylate as a hydroxy monomer, 3-7% of hyperbranched polyester polyol resin, 3-6% of a nano-silica oily liquid, 4-8% of ethyl 3-ethoxypropionate, 2-6% of dimethyl nylon acid, 0.1-0.6% of a leveling agent and 0.01-0.06% of an organotin drier; and the component B includes 74-84% of a curing agent and 16-26% of a solvent. The varnish has a construction viscosity of 20 s / 25 DEG C (Tu-4 cup) or less and a construction solid content of 80% or above,meets the requirement of the VOC content being equal to or less than 200 g / L during construction, and also has the advantages of simple formula, low cost, and high performances of a paint film.

The invention discloses a process for producing osmanthus fragrans Chinese pear fruit wine, which belongs to the field of agriculture product machining. The wine is made by fermenting Chinese pear and osmanthus fragrans as main materials, the sour and sweet fruit taste of the Chinese pear, the sweet fragrance of the osmanthus fragrans, and the healthcare effects of the two materials are retained. The invention mainly focuses on research on novel fruit wine which is made by mixing and fermenting the Chinese pear and the osmanthus fragrans. The process comprises the following steps: juicing fresh Chinese pear as a raw material, wherein the ratio of juice to water is 1:(0.5-1.5), adding 3-5g of dried golden osmanthus fragrans into each liter of the fermentation liquid, subsequently inoculating activated grape wine high-activity yeast to brew the osmanthus fragrans Chinese pear fruit wine, wherein the fermentation condition is that the fermentation period is 6-8 days, the main fermentation temperature is 18-22 DEG C, the initial adjusted sugar degree is 20-22%, the initial pH value is 4.0-4.5, and the yeast inoculation amount is 6-10%, and the alcoholic strength of a fruit wine finished product brewed under such conditions is about 10-11% (v / v), and the wine is pure and gentle in taste, transparent and clear in color, thick and long-lasting in fragrance, thick in fruit fragrance and soft and tender in wine fragrance.

The invention provides environment-friendly and dual-component decorative grout containing crystal glaze and nano-glaze and a preparation method of the decorative grout and belongs to the technical field of building materials. The crystal glaze and / or the nano-glaze are / is added to the decorative grout in the formula, and diatomite and / or a photocatalyst are / is also added to the decorative grout in the formula. The decorative grout in the formula comprises components in parts by weight as follows: 30-60 parts of Nanya epoxy resin NPEL-128 , 2-15 parts of fumed silica, 1-10 parts of the crystal glaze, 1-10 parts of the nano-glaze, 0.1-10 parts of an ultraviolet light absorber, 0.1-5 parts of a defoaming agent, 5-30 parts of 1,3-bis(aminomethyl) cyclohexan, 2-20 parts of polyether amine D230, 1-10 parts of an active diluent, 2-20 parts of an accelerant, 2-20 parts of a water resistant agent, 0.2-5 parts of an antioxidant, 2-18 parts of diatomite, 0.1-5 parts of the photocatalyst, 1-20 parts of toner, 1-8 parts of organic bentonite and 0.2-3 parts of a thixotropic agent. The environment-friendly and dual-component decorative grout containing the crystal glaze and the nano-glaze has the characteristics of being permanently waterproof, mould-proof, anti-bacterial, anti-yellowing and wear-resistant.

A nano-transparent iron oxide inkjet color paste, which is composed of iron oxide, dispersant, pH regulator, bactericide and water, calculated in parts by weight of raw materials: 30-35 parts of iron oxide; 15-20 parts of dispersant; pH 0.4~0.6 parts of conditioner; 0.2~0.4 parts of bactericide; 45~55 parts of water; the invention adopts new processing technology and equipment and optimized color paste formula, the particle size of color paste can reach nanometer level, good storage stability, color paste It adopts a resin-free system and solvent-free components, which is environmentally friendly and can be widely used in various types of inkjet coatings.

The invention belongs to the technical field of locomotive warm air parts, and discloses a warm air blower circuit and a cab warm air blower thereof. The warm air blower circuit comprises a control loop and a heating loop, wherein the control loop comprises a contactor coil, the heating loop comprises a heating branch circuit and a draught fan branch circuit which are connected in parallel, the heating branch circuit comprises a contactor terminal and a heating element connected with the contactor terminal in series, and the draught fan branch circuit comprises a draught fan used for dispersing heat, which is generated by the heating element, to the exterior of a case. A contactor is used for controlling the heating element in the heating loop to heat, low pressure control over high pressure is realized, and the circuit is guaranteed to be stable so as to ensure the heating element to keep working normally; a finned electric heating pipe is adopted, the heating area is large, the heatloss is small, and the warm air blower circuit has the advantages of fast temperature rise, uniform heating, high electricity-heat transformation efficiency and the like.

The invention discloses a method for improving the non-bio-stability of medicated wine and is characterized in that: the intermediate half-finished medicated wine is heated to make an increasing temperature and aging treatment, then is heated up to between 80 DEG C and 85 DEG C and maintained for five to eight minutes, then is made a temperature drop up to between 45 DEG C and 49 DEG C and maintained for four to six days; the medicated wine with the method apparently improves the non-bio-stability, has no solids to be precipitated even if under lower temperature, and can keep good clarification.

The invention belongs to the technical field of coatings and particularly relates to weather-resistant automobile repair varnish and a preparation method thereof. The varnish is prepared from a component A and a component B in the weight ratio being 2:1 through mixing. The component A comprises raw materials in percentage by mass as follows: 10%-20% of chlorotrifluoroethylene / vinyl ether copolymerization resin, 58%-68% of fluorine modified hydroxyl acrylic acid, 17%-27% of a solvent A, 0.1%-0.6% of a leveling agent and 0.01%-0.05% of an organic tin drier; the component B comprises raw materials in percentage by mass as follows: 30%-40% of a hexamethylene diisocyanate trimer and 60%-70% of a solvent B. A film formed by the weather-resistant automobile repair varnish is flat and smooth, hasexcellent adhesion, hardness and other properties, has excellent weather resistance, is not prone to pulverization after being subjected to Q-UVB artificial accelerated aging for 5,000 h, has the gloss loss rate of 15% or below and the chromatic aberration delta E of 3 or below and has good application effects.

The described technology relates to a backlight unit and a display device comprising including the backlight unit. In one aspect, the backlight unit includes a light source and a light guiding plate configured to guide light emitted from the light source, The backlight unit also includes an optical sheet integrally formed with the light guiding plate and including a micro pattern configured to emit light reflected from the light guiding plate.