Introduction to the types and advantages and disadvantages of projection screens

The projection screen is a must for large-screen projection. Regardless of the image quality, the projector needs a flat surface to display the scene correctly. Most of the home design is to set up the projection rack in the living room where everyone gathers. And our living room is nothing more than a space where projectors and televisions coexist. Even regardless of the picture quality, the projection screen is still an indispensable key equipment. In the early days, many projector users put the projection screen on a white wall. The physical and chemical flat wall can be projected, but the difference in image quality is very large. General wall projection will have several basic problems: 1. The background color of the wall; 2. The flatness of the paint surface after general painting; 3. The horizontal flatness of the wall. These three points are the basic projector picture quality killers, so when you have a lot of choices to buy your favorite projector, don't forget to choose a good screen together. The projection size range of the screen has the traditional 1:1, 4:3, 16:9, 2.35:1, of which 16:9 and 2.35:1 are the mainstream sizes in the home market. In accordance with the film shooting and resolution settings, the wide screen It is the current standard. There are many kinds of curtain structures, which are divided into the following types according to different environmental requirements: .　　Advantages: Low price 　　Disadvantages: Pure manual operation is not convenient, the position of the curtain is not fixed every time it is pulled down, and it needs to be adjusted slightly. The cloth will curl over time.　　 floor screen: 　　 floor screen does not need to be installed in advance, the screen box is placed directly on the ground, the screen is raised from the ground up, and is generally used in studios and outdoor event venues.　　 Advantages: No need to install, can be carried with the venue.　　 Disadvantages: it is unsightly when used at home and hinders home movement.　　 Picture frame screen: 　　 The best type of projection screen, after assembly, it is like a picture frame installed on the wall. Generally, it is the most ideal structure that can only be presented in exclusive audio-visual spaces and movie theaters.　　Advantages: The curtain is flat, without distortion and distortion that will affect the image quality and accuracy, and it has a more cinematic visual experience.　　 Disadvantages: Cannot be stored, and the TV cannot be placed on the back wall.　　 Electric screen: 　　 The most common type of curtain in the home space, the price is higher than that of the hand-drawn screen, and the electric shaft is used for lifting, which is convenient to use.　　Advantages: The price is approachable, easy to use, and the remote control can be used to automatically fix the position with one click.　　 Disadvantages: The same as the hand-drawn screen, the curtain will be curled over time.　　 Cinema cable curtain: 　　 is processed with an electric curtain. There are tension ropes on both sides of the curtain to stretch the curtain tightly. At the same time, it maintains the convenience of an electric curtain and the flatness of a fixed frame screen. It is the best choice for focusing on living room functions and image quality.　　Advantages: At the same time, it has the convenience of an electric screen, and has a very high level of flatness, but there is no problem of curtain curling.　　 Disadvantages: In addition to the higher price than ordinary electric screens, the convenience and flatness of them are the best type, which is the best choice after the fixed frame.