When will the patent of Yuantai Ink Screen expire?

According to relevant data, the patent of Yuantai Ink Screen expired in 2038, and the application time of Yuantai Ink Screen Patent was 20 18. Because it is a technical patent, the patent protection period is 20 years, so the patent of Yuantai ink screen expires in 2038. For specific information, please pay attention to official website for first-hand authoritative information.