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LCD projection
LCD projection is not difficult to understand, its main imaging device is the LCD panel. According to the number of LCD panels can be divided into single-chip LCD projection and 3LCD projection.
Monolithic LCD projection
- The main application scope at present: The first choice for projection enthusiast DIY projection.
- Advantages: simple structure, stable and reliable;
- Disadvantages: Low light utilization, usually brightness does not exceed 600 ANSI lumens;
Due to the limitation of the volume of the liquid crystal panel, the volume of its projection is usually too large to be able to make the volume as small as the single-chip DLP projection, so it has not entered the sight of mainstream projector manufacturers. 
- Representative model: Lightank D1
- At present, the main application areas: Epson and other traditional projection manufacturers are mostly used, currently mainly used in business office
- Advantages: High light utilization, colorful, high resolution, and mature technology.
- Cons:
Contrast, layering is not the same as the specifications of the DLP projector;
Also limited by the size of the LCD panel, the volume can not be as small as a single-chip DLP projection. 
The main imaging device for DLP projection is the DMD, which is called the Digital Micromirror Device. Chinese means “data micromirror device,†which controls the opening and deflection of the lens to achieve the purpose of displaying images. DLP projections currently on the market can be divided into single-chip DLP projectors and 3DLP projectors, depending on the number of DMDs.
Monolithic DLP projection
- On behalf of models: Polar meters H1S, pole meters H1, pole meters Z5, pole meters Z4X;
- Current main application scope: mainstream projectors are used, home projectors, portable projectors are mostly used
-Advantages: First of all, it has an unmatched contrast ratio for LCD projection, and the aforementioned portable advantages. Secondly, the projection brightness of a single-chip DLP has approached the same specifications of the 3LCD projection. Finally, the DLP projector uses a fully-enclosed optical engine. Structural design to avoid dust pollution.
- Disadvantage: Color saturation is slightly inferior to 3LCD. 
- On behalf of the model: Insight 4K LED
- Main application scope at present: Mainly used in high-end engineering, cinematic projectors
-Advantages: good color, no rainbow phenomenon, high brightness;
- Disadvantages: expensive. 
LCOS projection is a new type of digital imaging technology. It uses a semiconductor CMOS integrated circuit chip as a substrate for a reflective LCD. A thin layer of liquid crystal silicon is coated on a CMOS chip. The control circuit is placed behind the display device and can be improved. Transmittance to achieve greater light output and higher resolution. Since LCOS technology is still in its infancy and there is no standard process at present, many manufacturers have developed different LCOS optical engine architectures. Among these different technologies, it can be divided into monolithic LCOS and three-chip LCOS.
Monolithic LCOS projection
- Advantages: The single-chip LCOS projection requires only one panel, plus the system architecture of splitting and combining light is relatively simple, so it is more competitive in terms of cost, and the space of the optical engine is relatively small, and the volume can be made compact.
- Disadvantages: Due to the fact that the LCOS panel has to switch the red, blue, and green images quickly to synthesize images, the panel response speed requirements are higher, and the production yield is still relatively low.
3LCOS projection
- Advantages: The resolution is easier to increase, the light source utilization is high, and it has the low-power driving characteristics of the LCD.
- Disadvantages: Since the 3LCOS optical engine requires a combination of multiple beam splitting and combining optical systems in addition to three panels, the volume is large, the cost is high, and the production yield is low, so LCOS-based Projectors and projection TVs are still in the tentative stage in the projection market and do not pose a threat to DLP projectors or LCD projectors.
It is not difficult to find that LCD (liquid crystal) projection technology, DLP projection technology, LCOS projection technology have their own advantages and disadvantages, and the single-chip DLP projection technology in which by virtue of cost, stability, quality and other advantages, through the rise of home projection In the current market has formed a monopoly. As far as the individual is concerned, if the subject is to choose home projection, only single-chip DLP and 3LCD can be considered at present. The single-chip DLP projector has the advantages of high native contrast, small machine, and closed path , And 3LCD projector's greatest charm is color, the second choice will have to see the title of their own preferences. As for LCOS projection and 3DLP, one is still in the stage of exploration, the technology is not mature, and the other cost is high, and it cannot be realized in a short time.
Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.
Projection manufacturers do not really have fierce smart phones for technology science. Xiao Bian looked at the answers to the questions and did not seem to have a particularly accurate answer. So Xiao Bian had to personally end, to a public science projection technology. The projection technology can be roughly divided into LCD (liquid crystal) projection technology, DLP projection technology, LCOS projection technology according to the imaging device. The start time of the three technologies is different. LCD projections were generally commercialized in 1989, DLP projections were commercially available in 1996, and LCOS projections were closer, and were generally commercially available in 2001. Although time is a progressive relationship, the three different technologies can be said to have advantages and disadvantages. It is not simply a better and better relationship. It can only be said that in the current market, a certain technology is more appropriate and becomes a market. The rise of the mainstream, such as home projections, has made DLP projections almost monopolized. 3LCD projection DLP projection 3DLP projection LCOS projection