In 2013 the first generation 55 inch LCD screen (7.7mm seam) was developed.
In 2014 the first domestic 46 inch LCD splicing (5.7 mm seam）was successfully developed; also get honer of "famous brand" and "China security Chinese smart city construction recommended brand" in the same year.
In 2015 the third generation PSL optical seamless LCD screen(double seam is only 0.1 mm) was launched with FAVI.
In 2016, the fourth generation PSL optical seamless LCD splicing screen was introduced. The weight was lighter for a third than the third generation, and the visual angle was 30%.
In 2017, the fifth generation PSL optical seamless LCD splicing panel is expected to be released in November.