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For all of you, sharpening a knife is not a mistake for chopping wood for household equipment. Among commonly used office and home equipment, projectors are widely recognized as a must-have. When choosing a home projector, we should carefully select it to avoid bringing back a "pig teammate". How can one choose a "projection artifact" instead of a "pig teammate" in the dazzling projection market? I believe that after reading this article, you will have a clear answer in your mind. How can one choose a "projection artifact" instead of a "pig teammate" in the dazzling projection market? I believe that after reading this article, you will have a clear answer in your mind. 1) Whether it has a clear and realistic visual presentation is also an important factor we need to consider when choosing a projector. 2) The simpler the operation of the projector, the better. Otherwise, even if you are usually swift and decisive, you may still get stuck by a small projector. A good projector needs to simplify the operation steps as much as possible, so that every user can easily get started 3) The selection and optimization of light sources are very important and can have an impact on lighting effects. Examples: Dlp light source projector, LED LCD home projector In addition to the aforementioned fields, smart portable projectors will also be applied in newareas in the future, such as virtual reality (VR) and augmented reality (AR) experiences, remoteeducation, healthcare, art exhibitions, outdoor activities, commercial displays, personal studios, smart homes,and more. Illuminate life, 'shadows' bring excitement to the' visual 'world, Lebert projectors bring you a wonderful viewing experience

The full name of the European Football Championship is the highest level national football tournament organized by the European Football Association Federation. Since the first competition in 1960, the European Championship has gone through decades of history, witnessing countless classic moments and the birth of legendary players The way of watching games is also undergoing changes. With its advanced technology and excellent performance, home projectors allow fans to enjoy a live gaming experience at home by choosing our projectors. High definition image quality, realistic color reproduction, and large screen size, choose our full HD projector to make every detail clear and visible Smart portable projector is not only a perfect combination of technology and sports, but also a perfect interpretation of modern lifestyle. It brings new vitality to football, an ancient sport, and allows people to enjoy high-quality viewing experiences at home. Sports events like the European Cup will continue to attract global attention, becoming a bridge connecting different cultures and countries.

Recently, a new type of small and portable home projector for 2024 has been officially launched. It has a compact and convenient body, a simple appearance, and an ordinary appearance, which has unlimited potential This machine is equipped with a high-definition image quality of 1280 * 720, and also has the function of decoding 4K image quality, which is compatible with playing 4K movies. The projector can also rotate 180 ° to adjust the image. One day, it can become the most practical 4K home projector The projector also has autofocus, making it more convenient for each user to zoom in and out to the appropriate area. It also supports multiple connection methods, whether it is connected to a computer, tablet, or phone, allowing the full HD projector to present and enjoy the content in the video The launch of this new type of small portable home projector undoubtedly injects new vitality into the home entertainment market. We look forward to it bringing users more exciting and diverse viewing experiences in the future.

Whether home projectors can replace LCD TVs depends on various aspects, such as the advantages of projectors and LCD TVs from a technical and performance perspective. TVs typically have higher image quality and resolution because they use more advanced display technologies such as OLED and QLED. However, projectors excel in brightness and contrast, and can be used in well lit rooms. The screen size can be flexibly adjusted according to the projection distance and wall siz From the perspective of applicable scenarios Portable Mini Projector rcan allow you to achieve the desired effect anywhere. For example, when we chat on a large platform at home, we can also use a projector to achieve our viewing effect. However, for a TV, it may only be fixed in the living room and everyone can watch together a must-have camping projectorIf you need a large screen, a projector can also achieve large screen viewing effects that cannot be achieved on a TV，TV and projector each have their own advantages, and the choice should be based on your requirements

The pace of development never stops, and in this rapidly changing technological era, home projectors have become an indispensable device in modern life and work due to their advantages presented by continuous optimizationHow to choose a home projectorThe most important thing at home is convenience and the ability to achieve goals at any time. Whether you want to watch a movie in the living room or your own room, our projector can help you achieve this. A Dlp 4k projector that can meet your viewing needs Display of LCP projectorThe LCP projector utilizes the photoelectric effect of liquid crystal molecules to change the transmittance or reflectivity of liquid crystal units to achieve image display. Affordable prices can also have excellent color performance! After long-term development, LCP projector technology is already relatively reliable, providing a soft and comfortable image, and allowing more people to see the projected image from different angles Display of DLP projectorThe DLP projector performs digital processing through the core DMD display chip, and the light passes through the color wheel before reaching the chip. Small and portable, it can also smoothly and clearly express the sense of hierarchy in images, presenting a sharp contrast between light and dark. The DPL projector, which is less susceptible to component wear and tear, is also less affected by ambient light and is the best choice for many households and business activitiesThis will become the best choice for every family, as it is also a Portable Projector that can make your life more exciting

Setting up a home cinema? You'll need to choose from the many home projectors available. Let's compare 4K projectors with Full HD home theater projectors to see which might be right for you.   Understanding Projector Resolution Resolution measures the number of pixels in an image. A Full HD projector displays 1920 x 1080 pixels, while a 4K model offers a denser 3840 x 2160 pixels for a clearer picture.   Benefits of a 4K Projector Sharper Images: A 4K projector reveals more detail, bringing you a richer viewing experience. Smoother Pictures: With 4K, the picture stays sharp and clear even on big screens, making you feel part of the scene. Future Readiness: More content is being released in 4K, so a 4K projector means you won't miss out.   What to Consider as Well Cost: Generally, 4K projectors will cost more than Full HD projectors. Content: There's more content in Full HD right now, but 4K is catching up quickly. Room Requirements: You'll get the most out of a 4K projector if you have a larger screen or viewing area.   Choosing Your Projector: Your choice between a 4K or Full HD projector should factor in your budget, the kind of content you watch the most, and your viewing space.   Features to Look For: Don't forget to consider projectors with extra features. For example, a Bluetooth battery projector can offer wireless connectivity and flexibility in where you set it up, without the need for cables.   Your Home Viewing Experience Whether you go for 4K or stick with Full HD, a good quality projector can bring the cinema to you. By understanding the key differences and considering your needs, you'll find the perfect fit and get ready for amazing home movie nights.

The Modern Screen Debate: Home Projector vs TV You're ready to upgrade your home viewing experience and can't decide between a traditional TV and the expanding view a projector offers. Your choice might just boil down to how you intend to use it and the layout of your viewing space. Projectors: A Doorway to a Bigger Picture Consider a "Home Projector" if you dream of theater-like movie sessions. With the lights dimmed, a home projector can bring epic narratives to life right on your living room wall. And for those with space limitations, a "Mini Projector" might be the ideal solution. Despite their compact size, mini projectors are capable of projecting surprisingly large and clear images. Projectors Fit for Every Occasion The versatility doesn't end there. If you're always on the move or enjoy spontaneous movie nights in different locations, a "Portable Projector" can be your entertainment buddy. These easy-to-carry projectors can turn any setting into a dynamic cinema space or gaming station. The projector brings you: Quality Movie Time: You want that immersive, large-scale viewing only cinemas seemed to offer before. Constricted Spaces: Your cozy apartment can also serve as a part-time home theater thanks to the size adaptability of a mini projector. Gaming Enthusiasts: Expand your virtual worlds onto an entire wall with gaming through a projector. It's not just playing a game， it's make you immersive. Outdoor Entertainment: A portable projector makes setting up an open-air cinema or streaming a sports game in your backyard feature feasible. The Ever-Reliable TV TVs hold their ground firmly with a "what you see is what you get" approach. There's no need for backdrop preparation or darkness—your favorite shows shine brightly day or night. The plug-and-play nature, combined with ever-improving resolutions and smart capabilities, keep TVs at the forefront of convenience. Ultimately, whether you lean towards the expandable possibilities of a home, mini, or portable projector, or the crisp immediate gratification of a TV, examining your space and lifestyle will guide you to the perfect match for all your entertainment pursuits. If the projector's cinematic scale is calling out to you, explore our selection to find the model that suits your space and viewing habits best.

Bring the Big Screen Home:the D029 4K Home Projector Offers Bright Entertainment for Every Room Escape the confines of traditional television with the the D029 4K Home Projector projector—a beacon of home entertainment revolutionizing personal cinema with its illumination and adaptability.   Illuminate Every Room: The the D029 4K Home Projector challenges the norm with 200 ANSI lumens of brightness, presenting clear, vibrant imagery regardless of ambient lighting. It's a beacon of versatility for any space wishing to capture the essence of a big-screen theater.   Visuals That Captivate: Indulge in 1080p clarity and 4K UHD support, delivering a richness of detail that transforms viewing into an event. The the D029 4K Home Projector elevates every narrative, making every moment on screen a spectacle.   Dive into 3D Worlds: The the D029 4K Home Projector invites you to enhance your cinematic journey with integrated 3D capabilities. Engage with 3D content on a new scale and discover an immersive escape into the entertainment you love.   Connectivity Unmatched: Equipped with HDMI 2.0, USB, VGA, and more, the the D029 4K Home Projector becomes the heart of your entertainment ecosystem, bonding with countless devices to stream, play, and explore without limits. The the D029 4K Home Projector emerges as a trailblazer in home theater, catering to those in pursuit of expansive screens, luminous displays, and boundless content access, reshaping the very concept of home-viewing extravagance.    

Choosing the right projector is crucial when creating an immersive home entertainment experience. As Home Cinema Projectors become more popular every day, it's important to consider factors like brightness, resolution, connectivity options, and overall performance to ensure you choose a projector that meets your needs and expectations. One of the home projector's key features is its resolution. The 1080P Home Projector delivers Full HD images, delivering clear and detailed visuals perfect for watching movies and sports events. In addition to resolution, consider the brightness of your projector. A projector with a higher lumen output will provide a brighter image, making it suitable for ambient light or rooms with a larger viewing area. Connectivity options are another important factor to consider when choosing home projectors for your home. Look for a projector with multiple input ports, such as HDMI, USB, and audio jacks, to easily connect all your devices, including laptops, gaming consoles, and streaming devices. This versatility allows you to switch seamlessly between different sources and enjoy a variety of content on the big screen. With convenient wireless connectivity options, you can also stream content from your smartphone or tablet directly to the projector for added flexibility. With the right combination of features and specifications, you can create a home theater setup that rivals the traditional movie theater experience. Whether you're a movie buff, a gamer, or just looking to upgrade your entertainment system, a quality projector can transform your living space into a versatile and immersive entertainment center.

When choosing a projector suitable for home use, you mainly need to consider the following points: Brightness: Choosing a projector with higher brightness can ensure that the image can show good results in a bright environment. Generally, the brightness of a home projector is more than 2,000 lumens. Resolution: Resolution determines the clarity and detail performance of projection. For home use, you can generally choose a 1080P Home Projector. A high-resolution projector can present clearer images. Projection ratio: Generally, the widescreen projection ratio of 16:9 is more suitable for family viewing. It can present a wider picture effect and is more in line with the needs of family viewing. Projection distance and size: The shorter the projection distance, the larger the projection size, so that a larger picture effect can be obtained in a smaller space. You can choose a projector according to the limited space in your home to get the best viewing effect. Interfaces and functions: Generally speaking, home projectors are equipped with HDMI interfaces, USB interfaces and other interfaces to facilitate the connection of various devices, such as TVs, computers, game consoles, etc. Based on the above, you need to consider many factors when choosing a suitable projector. In the end, you still need to make a choice based on your home viewing needs and space conditions.

Home projector is a device that facilitates users to watch movies, presentations or play games at home. When choosing a home projector, you are often faced with the dilemma of choosing LCD (Liquid Crystal Display) technology or DLP (Digital Optical Processing) technology. Common home projectors include mini projector, 3D projector, wireless projector, laser projector, 4k home Projector, etc. LCD technology is a technology that produces images through a liquid crystal display. LCD home projectors generally have high brightness and contrast, are relatively low cost, have the advantages of long service life and lower power consumption. Users can use it for a long time without worrying about equipment damage or high energy consumption. LCD technology also has some shortcomings. For example, the image resolution of an LCD projector may be lower, the display panel may produce a "screen door" effect, and there may be some blurring or image retention issues when processing fast moving images. DLP technology is a technology that produces images through micromirror columns and laser display. DLP home projecror has higher image resolution and better color reproduction capabilities, without the "screen door" effect and image retention problems like LCD projectors, and has a faster response speed. Able to present clearer and more detailed images. Suitable for watching high-speed sports videos or playing competitive games. DLP technology also has some shortcomings. DLP projectors typically have lower brightness and contrast, are relatively more expensive, and may have a relatively short lifespan. No matter which projector technology you choose, the final choice of home projector will depend on your personal needs and preferences.

Common projection technologies currently on the market include LCD projection, DLP and LCOS. LCD Home Projector are low-cost and suitable for home use; DLP Home Projecror have good color performance and image details, suitable for cinema-level viewing; LCOS projectors combine the advantages of LCD home projector and DLP home projecror. There are several factors to consider when choosing the right Home Projectors: 1. Purpose: Determine the main purpose for which you will buy the projector. Is it for home theater, gaming, presentations, or something else? 2. Resolution: The resolution of the projector determines the clarity of the image. Common resolutions are 720p, 1080p and 4K. Choose the appropriate resolution based on your needs. 3. Brightness: Brightness determines the display effect of the projector under different lighting conditions. If you plan to use the projector in a bright environment, it will be better to choose a product with high brightness. 4. Contrast: Contrast determines the degree of difference between black and white in a projected image. Higher contrast provides clearer, more vivid images. 5. Projection distance: Choose the appropriate projection distance according to your home layout and projection needs. The farther the projection distance, the larger the projected image. 6. Interfaces and Connectivity: Make sure the projector has the appropriate interfaces for your device, such as HDMI, USB, VGA, etc. Also consider whether it supports wireless connectivity. 7. Noise: Noise is the sound produced by the projector when it is working. Choosing low-noise products can provide a better viewing experience. 8. Brand and price: Choose a reliable brand and a reasonable price range. Refer to other users` reviews and professional reviews to choose products with higher price ratios. You also need to consider the projector`s acoustics, interfaces and functions. The sound effect is directly related to the viewing experience. You can choose a projector with speakers or connect external audio equipment; in terms of interfaces, consider whether the projector has common interfaces such as HDMI and USB to facilitate the connection of different devices; in terms of functions, such as whether it supports Wireless projection, 3D projection, etc., you can choose a Home Theater Projectors with corresponding functions according to your personal needs.

2. Chip Determine resolution and quality The vast majority of household projectors use DLP display technology, so we have to mention DMD chips, which are the core of DLP display technology. Different projectors on the market have different resolutions and picture quality, mainly depending on the size of the DMD chip. The common sizes of DMD chips are: 0.23, 0.33, 0.47 and 0.65 (unit: inch), among which 0.33 and 0.47 DMD are very common. The larger the chip size, the higher the resolution, the better the picture quality definition, generally 0.33 is 720P resolution, and 0.47 is 1080P resolution. 3. Lens Determine the close distance between the projector and the screen The main function of the lens is to project and magnify the picture. The material selection is the best glass lens. When it comes to the lens, the focal length must be mentioned. Different projectors have different focal lengths, which are generally divided into general focal length, short focal length and ultra-short focal length. three kinds. The throw ratios between them are different. For example, at the same distance of 2m, the general focal length can project an 80-inch screen size, while the short focal length can project a 100-inch screen size, and the ultra-short focal length can reach a 100-inch screen size with only 40cm size. The commonly used projection ratio is 1.2:1. The smaller the throw ratio, the larger the screen size can be transmitted at a smaller distance.

The projectors on the market have different prices, good and bad, and the parameters inside are also dazzling. Not only the owners, but many designers are at a loss. Designers want to understand, but it is actually very simple. Just avoid the screen large, poor picture quality, and low brightness, then it is necessary to grasp these core indicators. 1. Light source The type and brightness of the light source Projector light sources generally include LED light sources, high-pressure pump bulbs, laser light sources, and xenon lamps. LED light source Its advantage is that it can be used for a long time, but its disadvantage is also obvious, that is, the brightness is very low, so it can only be used at night or in a dark environment. High pressure pump light source The brightness is very high, so it has a strong heating phenomenon, so it needs to be equipped with a strong heat dissipation device, resulting in greater wind noise. In addition, its service life is relatively short. Xenon light source High brightness, short life, expensive Laser light source At the same time, it satisfies the two advantages of long service life and high brightness, and is an ideal choice for projector light sources. The brightness of the projector's light source is usually expressed in "ANSI lumens". The higher the value, the brighter the brightness. Generally, household projectors usually choose a projector with a brightness of at least 2000 ANSI lumens to ensure that no matter at night or in bright daytime, All can be high-definition high-brightness picture experience and effects. In addition, light source lumens ≠ ANSI lumens The light source lumen is the initial brightness without any attenuation, and the ANSI lumen is the final actual brightness value.

After talking about the LED light source, let's talk about the laser light source. The brightness of the laser light source is higher, and the picture quality effect will be better controlled. The laser light source can directly select the red, green and blue three-color laser generators of specific bands according to the needs. The three-color laser light source can reach 100% BT.2020 color gamut coverage, which exceeds the color gamut of OLED TV and QLED TV. limit of coverage. Therefore, the imagination space of the three-color laser light source is very large, and the range that can undertake future viewing needs is also wider. The light sources of laser projectors are divided into several categories. Among them, monochromatic lasers use a single blue laser to excite yellow and green phosphors on the fluorescent color wheel, and then separate red, green, and blue light through a prism, and finally combine to form other colors. , and then pass through a filter to refine the color. The monochromatic laser light source itself does not have red light and green light, so there will be color loss. If you want brightness, you lose color; if you want color, you lose brightness. This is why many people do not recommend single-color or two-color light sources. In contrast, the three-color laser light source does not have the problem of brightness and color, so many players used in high-end theaters use three-color laser light source. However, the three-color laser light source also has the problem of speckle, which is generally eliminated by vibrating screens in movie theaters. Household level is eliminated by reducing power. Through the above content, we can see that the three-color laser light source will be a "future", but the problems of speckle and high price are also problems we have to face. If any brand can solve these two problems, then the projector with three-color laser light source will definitely become the new mainstream.

LED is one of our most common light sources. The LED lights used in projectors are customized high-power light sources, and the price is much higher than that of LED light sources for lighting. But even so, the cost of LED light sources is relatively low, much cheaper than laser projectors. In addition, three different colors of red, green and blue LED light sources can be used to construct a projection light source, and different colors can be presented through three-color mixed light, which can easily cover the sRGB color gamut. Therefore, many mainstream projectors currently use LED light sources. In the early days, due to technical limitations, the brightness of LED light sources was not ideal. However, with the development of science and technology, the brightness of LED light sources has been able to meet the daily needs of users in recent years. The brightness of flagship phones basically exceeds the threshold of 2000 ANSI lumens, and the brightness of many projectors even exceeds 3000 ANSI lumens. Therefore, it is reasonable for LED light sources to become the mainstream.

When you choose a projector, what parameters do you mainly look at, brightness or configuration? If it were me, I'd look at the light source first, then brightness and configuration. It`s just about the light source of the projector. Few people mention it. The light bulbs, LEDs, and lasers are familiar to everyone, but many people don`t know the actual differences between these light sources, and don`t understand their advantages and disadvantages. So, I will take a brief inventory today to see which light source is suitable for "future use". While meeting the current viewing needs, it will not be outdated in N years. The following mainstream projection light sources: At present, with the development of projector light sources, we have experienced three major categories: bulbs, LEDs, and lasers. Among them, the light bulb machine was widely used in the early years because of its short life, expensive follow-up maintenance, mediocre display effect, and many unstable factors. Later, it was gradually replaced by LED light sources. Of course, there are still some brands that use bulb light sources, but most of the projectors with bulb light sources are commercial and office-based, and relatively few for home use. At present, the mainstream projector light source is LED light source. Most of the high-end and low-end products on the market use LED light source. Speaking of LED light sources, everyone comes into contact with them every day. It's just that the LED light source of the projector is different from the LED light source in our life. It uses a customized light source, and its brightness is dozens of times higher than that of the daily lighting source, or even higher. The laser light source is relatively high-end, its brightness is high, and it is not at the same level as light bulbs and LEDs. There are also many kinds of laser light sources, mainly monochromatic lasers, two-color lasers and three-color lasers.

Have you noticed that after a period of use of the projector lens, stubborn dust will adhere to the surface, which will affect the projection quality. Therefore, it is necessary to clean the lens in time to prolong its service life. So, how do we clean the lens of the projector? 1. Cleaning tools Lens paper or cloth: Choose lens paper or cloth that is soft, lint-free, and lint-free, and the cloth can be used after repeated cleaning. Lens cleaning fluid, choose a cleaning fluid that can be used to deal with oil stains and is highly volatile, so as to avoid secondary pollution to the lens. Blowing balloons: choose soft, elastic, and large blowing balloons. The blowing balloons can be reused after repeated cleaning. Cotton swabs: Choose cotton swabs with long and neat fibers. It is best to prepare some large and small ones to deal with different situations. 2. Cleaning steps After preparing the tools, you can start to wipe the lens, step by step, 4 easy steps, and return you a brand new lens! 1. Blow up a balloon Use a blower to blow off the relatively large particles of dust and sand on the outer surface of the lens, and reduce the large particles to avoid directly wiping the worn mirror surface. Remember not to blow the lens directly with your mouth. The result of blowing the lens directly will only make the saliva corrode the coating of the lens. 2. Second cleaning with lens paper Use lens tissue to carefully wipe off any stubborn dirt that hasn't been blown away. Be careful when wiping, wipe gently, and pay attention to wiping in one direction, not wiping back and forth or in circles, so as not to cause hard damage to the lens coating. 3. Cotton swab deep cleaning Use a cotton swab to stick a little lens cleaning solution, and remove the dust and stains that are tightly attached to the lens by sticking or picking. 4. Dry the lens Use a lens cloth to wipe gently in one direction from the center outward until the lens is completely clean. How about it? After reading this guide, do you think it is super simple? In the future, you will not be afraid of damaging the lens when cleaning the projector lens! However, when we use the projector on a daily basis, we should also take good care of it so that it can accompany us for a longer time~

1. Brightness Brightness is the intensity of light (in lumens (lm)) that the projector outputs onto the screen. 2. Projector projection light effect The ratio of projector light output to power-on power in lumens per watt (lm/W). 3. Power-on status The status of the projector being connected to power and generating an image. 4. Power on The active power measured when the projector is powered on. 5. Passive standby state When the projector is connected to the power supply, neither sound nor image is produced, but it can be switched to the off or on state through the remote control or other external signals. 6. Passive standby power The active power measured by the projector in passive standby state, this power should be less than or equal to 0.50W. 7. Noise requirements When the projector is working normally, for products with a mass greater than 2.0kg and less than 5.0kg, the noise should not be higher than 36dBA; for products with a mass less than (including) 2.0kg, or a product with a mass greater than (including) 5.0kg and less than 20kg, The noise should be no higher than 40dBA; for products with mass greater than (including) 20kg, the noise should be no higher than 43dBA. 8. Projector energy saving evaluation value See Table 1 for the minimum projected light efficiency and energy efficiency levels allowed for energy-efficient projectors. The minimum projection light efficiency required by the energy-saving evaluation value of the projector is Level 2 of the energy efficiency level in Table 1, and at the same time, it must meet the requirements of the passive standby power limit value, that is, less than or equal to 0.50W.

According to the different daily usage, we can divide projectors into portable projectors, desktop projectors and fixed installation projectors. picture A projector weighing less than 2 kg is generally defined as a portable projector, which is comparable to the weight of a laptop. Portable projectors have become the first choice of mobile business users for mobile business presentations because of their small size, light weight, strong mobility, and easy portability. At the same time, portable projectors are also a better choice for home use. Projectors with complete video ports, 16:9 aspect ratio and moderate brightness, suitable for playing movies and high-definition TVs, have become the main products chosen by families. Desktop projectors are popular models for everyday use and can be widely used in offices, schools, and entertainment venues. Because of its moderate design volume, good heat dissipation and dustproof system, wide range of resolution options, good expansion performance, and suitable for installation or short-distance movement, it is a veritable performance responsibility. According to the actual use needs of users and their specific use occasions, the projector can choose the ceiling installation method, that is, the fixed installation method. When adopting this installation method, attention should be paid to dust prevention and heat dissipation. According to different working methods, projectors can be divided into different types such as CRT, LCD, DLP, etc. CRT is the English abbreviation of Cathode Ray Tube (Cathode Ray Tube). As an imaging device, it is the earliest and most widely used display technology. The CRT technology is mature, the displayed images are rich in color, and the reproducibility is good, but its important technical indicators, image resolution and brightness, mutually restrict each other, which directly affects the brightness value of the CRT projector, and the operation is complicated and the body is large. Therefore, the current market It is rare to see projectors with CRTs. LCD is the English abbreviation of Liquid Crystal Display. Its imaging principle is to use the photoelectric effect of liquid crystal, that is, the arrangement of liquid crystal molecules changes under the action of an electric field, thereby producing images with different gray levels and colors. LCD projectors can be divided into LCD panel projectors and LCD light valve projectors. The former is the main product in the current projector market. Because LCD projectors have better color reproduction, high resolution and good brightness uniformity, they are the mainstream products in the current projector market. DLP is the English abbreviation of Digital Light Processor. DLP projectors use DMD digital micro-reflectors as light valve imaging devices. After the beam passes through a high-speed rotating trichromatic lens, it is projected onto the DMD, and then passes through the optical lens. Projecting on a large screen completes image projection. Generally, an ordinary DLP projector uses a DMD chip, which can achieve a small and compact shape. Many mini projectors under 2 kg on the market are DLP type. In addition, another advantage of the DLP projector is that the image is smooth, the contrast is large, and the contrast ratio is high, and the reflection technology makes the DMD chip absorb less energy and has good high temperature performance, which is the first choice for home theaters.