First of all, it is necessary to make clear a common-sense mistake, that is, laser tv and projector are actually two completely different species, and neither the technical principle nor the display effect is on the same starting line. Laser tv is a new type of TV. It is the fourth generation TV, with laser light source and professional anti-light gain screen, which can watch radio and TV programs and request Internet content. On the other hand, a projector is just a device that can project images or videos onto curtains.
If we want to compare laser tv and projector together, the display effect is definitely the most objective and fair criterion, and the display effect is mainly determined by screen brightness, light source, screen material, research and development technology and so on.
1, brightness, laser tv is measured according to the human eye perceived brightness -Nite as the only standard to ensure the best brightness of the human eye; However, the projector uses luminous flux-lumen as a measure of brightness, which is not clear and easily affected by the environment.
2. In terms of light source, laser tv uses solid-state lasers with three primary colors of red, green and blue as the light source, or uses monochromatic solid-state lasers to excite fluorescent powder as the light source; The light source of the projector comes from high-intensity gas discharge light sources (ultra-high-pressure mercury lamp, short-arc xenon lamp, metal halogen lamp). Comparatively speaking, the laser light source is purer and the color reproduction degree is higher. However, after the projector light source is used for a period of time, with the attenuation of the light emitted by the light source, the projected image will appear brightness attenuation, color saturation and contrast reduction, which is also a common phenomenon of darkening and yellowing.
3. In terms of screen, laser tv is equipped with a professional anti-light gain screen. For example, Hisense laser tv, which is more advanced in the industry, adopts Fresnel passive bionic screen, which can not only provide clearer picture display, but also resist the interference of ambient light and has eye protection effect; The screen of the projector is more casual, usually a projection curtain or even a white wall.
4. There is a big gap between them in R&D technology. Taking Hisense laser tv as an example, we have accumulated laser display technology in the International Optical Laboratory for more than ten years. Different from the simple light source and optical components of laser projection equipment, Hisense laser tv has five core technologies of "black technology", including the core technologies of key components, such as the unique packaging technology of Japanese-Asian high-efficiency laser in domestic complete machine enterprises and the most sophisticated optical electronic instrument in the world-DMD chip in Texas, USA. Projectors are generally produced by OEM, and there is no evaluation process before leaving the factory.
In summary, the PK results of the two are self-evident. Laser tv and projector belong to different products, and their application scenarios are different. In the field of big-screen home viewing, laser tv obviously has undoubted advantages.