Several Hidden Misunderstandings of rental led screen
rental led screen are widely used in our lives. Maybe everyone has a simple understanding of rental led screen, but is it really a deeper understanding? Today, we conducted conceptual clarification and discussion on several common misunderstandings of rental led screen.
1.rental led screen's software is not free: At present, only a few companies have genuine software. It is now illegal to use piracy.
2. point-by-point correction does not require the use of a dedicated driver chip: as long as the control system supports, the universal driver chip can also achieve point-by-point correction!
3. chromaticity correction is not equal to chromaticity uniformity correction. The application of chromaticity correction is more a conversion of color gamut space. Under normal circumstances, after brightness correction, the brightness uniformity of the rental led screen can reach a very high level, plus color space correction, the color fidelity of the rental led screen can also reach a very high level. Chroma correction and chroma uniformity correction:
1). Chroma correction: To meet the customer's special requirements for the rental led screen color gamut space: Correct the rental led screen color gamut space to the customer-specified color space. Improve the color fidelity of the rental led screen to make the color reproduction more realistic: correct the color space of the rental led screen to standard color spaces such as SRGB and NTSC.
2). Correction of chromaticity uniformity: Due to the accuracy and stability of color separation of the spectrophotometer and the effective process of mixing lamps and crystals, the application of chromaticity uniformity correction is quite limited. Mix very small, scattered wavelength lamps on one screen. At this time, chromaticity uniformity correction is also the only option. Due to errors in the production process, lamps / chips of different wavelengths were mixed together and used on the same screen. Chroma uniformity correction can be used as a last resort.
4.the point-by-point correction is not done by the control system manufacturer. The correction technology is not bundled with the control system. The real necessary conditions for point-by-point correction are:
1). A control system capable of realizing point-by-point correction.
2), high-precision, high-efficiency light point brightness acquisition equipment. Summary: Point-by-point drive control has long been implemented, and universal control systems on the market already have this function. However, for the collection of millions of lamp point data, some control system manufacturers have developed various tools, and these collection methods are incompatible with other systems. As a result, point-by-point correction and control systems are bundled and integrated into a misunderstanding.
5. the gray level of the rental led screen
Grayscale as a dual-primary and rental led screen is an important indicator. At present, the market is flooded with many 16-level and 64-level grayscale rental led screen faking as 256-level grayscale. of which controled cost is only 1/5 of the 256-level. The easiest way is to play a VCD of a more intense sports scene to see if it can be clearly seen on the rental led screen