There is no way to directly change the user's installation environment most of the time. For example, there are conference rooms and exhibition halls. In addition to upgrading and changing the lighting design of some light sources, what can be improved is also improved from the level of LED display manufacturers.
The standard of comfort evaluation requirements for indoor LED display screen is formulated to guide the cooperation between indoor LED display screen and practical application environment in the application process. Try to avoid the factors that may cause discomfort, provide guidance for the development and production of indoor LED display screen and the scientific use of users, and give relevant requirements and specific evaluation methods for the comfort evaluation of LED display screen in the use process, so as to guide the industry to use LED display screen more scientifically, It is conducive to the improvement of LED display quality and the long-term and healthy development of indoor LED display.
The evaluation of light comfort is a more complex research direction combining physiology and psychology. For the evaluation of light comfort of indoor LED display screen, it is still necessary to carry out deeper research with the development of LED display screen technology, light radiation measurement and photobiological evaluation technology, so as to achieve a more scientific and reasonable evaluation.
Improving the comfort of LED display screen and feasible ways
(1) No physical seams shall be observed on the overall screen
The LED display screen is spliced by multiple LED modules. The difference between the pixel spacing and the pixel center distance between the edges of adjacent modules in the LED display screen is called physical splicing. At a suitable viewing distance, no physical seam shall be observed on the overall screen of indoor LED display screen.
(2) With automatic adjustment function
The indoor LED display should have the function of automatically adjusting the brightness with the change of ambient lighting; Indoor LED display should have the function of adjusting color temperature. When the automatic brightness adjustment equipment fails, it shall be able to adjust manually.
Standard setting guidance
The application of indoor LED display screen the comfort of indoor LED display screen needs to be standardized from the perspective of standards, in addition to specifying the functions of the display screen and reasonable use. The previous general specification of LED display screen and other relevant standards did not specifically specify the problem of comfort.
The national standard "indoor LED display comfort evaluation requirements" under development has carried out a lot of tests in the preparation process. Combined with subjective evaluation, the main parameters and limits of indoor LED display comfort evaluation are obtained. The formulation of this standard will provide a basis for the evaluation of indoor LED display comfort. The standard specifies the requirements of measurement procedures, test conditions and test equipment, which is conducive to guide the evaluation of LED display comfort and provide a scientific, unified and feasible method for obtaining the relevant parameters of LED display interference light.
