Technology NewsOPPO PATENTS SHOW DEVICES WITH SLIDING DISPLAYS & POP-UP by Ahsan MuGhaL 4 April, 2019 by Ahsan MuGhaL 4 April, 2019OPPO PATENTS SHOW DEVICES WITH SLIDING DISPLAYS & POP-UP. The Chinese telephone manufacturer OPPO … 0 FacebookTwitterPinterestLinkedinTumblrVKOdnoklassnikiRedditStumbleuponWhatsappTelegramPocketEmail