OPPO developing phone with second display within rear camera By IANS | Published on Thu, Feb 25 2021 18:03 IST | 0 Views Oppo A15s .. Image Source: IANS News Beijing, Feb 25 : Chinese smartphone maker OPPO has patented a unique smartphone with a tiny display housed within the rear camera module. The patent, filed by OPPO Guangdong Mobile Communications Co., Ltd at CNIPA(China National Intellectual Property Administration) has been published on February 19, reports GizmoChina. According to the patent, the rear has a circular camera layout with cut-outs for lenses and a small hole likely an LED flash. As per the report, the small display can be used for showing time, date, quick Notifications, fitness data, and more.