What patents and certifications have the small class screen A1 obtained?

at present, the patents obtained are: lossless Gamma display patent (national invention patent number: ZL 216 1 214546.6) and no stroboscopic patent (utility model patent number: ZL 219 2 212423.8)? And Germany t? V Rheinland hardware has low blue light certification and no strobe certification. The eye protection strength of the small class screen A1 is still very trustworthy!