Do I need a patent license to sell monitors?

You need a patent license to sell this kind of monitor. The display was patented by Liard Optoelectronic Co., Ltd. on 20 12 1654381October 29th. According to Article 11 of the Patent Law, no unit or individual may exploit its patent without the permission of the patentee, that is, it may not manufacture, promise to sell, sell or import its patented products for the purpose of production and operation. Therefore, the sale of monitors requires a patent license.