1. Its characteristic is that the brightness is around 2000 lumens (the number is increasing with the development of projection, and the contrast is higher), the aspect ratio of the projection screen is mostly 16:9, and various video ports are complete, suitable for playback Movies and high-definition TV, suitable for home users. 2. Portable business…
LCD (Liquid Crystal Display) liquid crystal projectors can be divided into liquid crystal panel projectors and liquid crystal light valve projectors. The former is the main product in the projector market. Liquid crystal is a substance between liquid and solid. It does not emit light by itself, and its working properties are greatly affected by…
Light output Refers to the light energy output by the projector, the unit is “lumens” (lm). A physical quantity related to light output is brightness, which refers to the ratio of the light energy emitted by the surface of the screen to the area of the screen. The common unit of brightness is “lux” (lx,…
1. The characteristic is that the brightness is around 2000 lumens (the number is increasing with the development of projection, and the contrast is higher), the aspect ratio of the projected picture is mostly 16:9, various video ports are complete, suitable for playing movies And high-definition TV, suitable for home users. 2. Portable business projector:…
Projection bulbs are the only consumables for projectors, which account for a relatively large proportion of the cost. You must work hard before purchasing to distinguish between true and false, and prevent bad businesses from using it to minimize losses. The current market There are many types of projector bulbs on the above, but they…
In today’s society, television is one of the important tools for people to obtain information. People’s visual demand is increasing day by day, and 40-inch and 50-inch televisions are born. The image quality is guaranteed to be clear and perfect, and its sales prices are also rising. , Become a luxury that only a few…
For many people, the micro projector is still a new technology product. If you want to buy a mini projector, you need to understand the parameters, indicators, performance, function, brand, etc. of the mini projector before you can buy a satisfactory mini projector. First, the characteristics of the micro projector The so-called mini-projector is smaller…
Projector brands can be said to be endless, Sony, Epson, etc., as a professional projector and office equipment sales Chuang Lei, in addition to the brand, the types of projectors are also numerous. Take one of the Sony interactive projectors, as a high-tech advertising and entertainment interactive system in the world today; the interactive audio-visual…
Projectors are often used in our daily work. Even in this era of smart projection, every business person is equipped with a smart micro-projector that he can carry with him in order to better complete his work. However, when I open the major technical posts or articles about projection, I always see a variety of…
Everything about the purchase of home projectors has changed. The special functions of the possible product types in a specific year have changed, but the core equipment has undergone many times a year of evolution, and the changes are not big at present. . At this time, the choice is mainly to pick a machine…