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Under-Screen Camera Technology Not Ready for the Market
May 10, 2020
OPPO and several other brands teased under-screen camera technology in 2019, showing off prototype phones with cameras hidden under the display. Xiaomi also demonstrated this feature, but an executive may have dashed hopes of us seeing the technology anytime soon. Redmi general manager Lu Weibing took to Weibo (h/t: GSMArena) to explain why mass-production isn’t possible yet. And it has to do with how sharp today’s screens are. “… it is the contradiction between the screen’s PPI [pixels per inch] and transmittance,” the Xiaomi executive said, according to a machine-translated version of his post. “The current screen PPI is about 400, which causes very low light transmittance in the camera, seriously affecting the photo effect.” The effective pixel pitch on today’s QHD+ and FHD+ panels are significantly reducing the amount of light that gets to the under-screen camera. causing dark results when using this camera in conjunction with a pixel-dense screen. At CES, Samsung exhibited a solution for this problem by lowering the pixel density on that portion of the display that covered the camera.
Weibing explains, “… with current technical capabilities, it is impossible to find an effective solution that takes into account both display effects and camera effects,”, adding that the technology is “still far from achieving mass production.” Perhaps they need to get an in-depth briefing from Samsung Display.
May 10, 2020
OPPO and several other brands teased under-screen camera technology in 2019, showing off prototype phones with cameras hidden under the display. Xiaomi also demonstrated this feature, but an executive may have dashed hopes of us seeing the technology anytime soon. Redmi general manager Lu Weibing took to Weibo (h/t: GSMArena) to explain why mass-production isn’t possible yet. And it has to do with how sharp today’s screens are. “… it is the contradiction between the screen’s PPI [pixels per inch] and transmittance,” the Xiaomi executive said, according to a machine-translated version of his post. “The current screen PPI is about 400, which causes very low light transmittance in the camera, seriously affecting the photo effect.” The effective pixel pitch on today’s QHD+ and FHD+ panels are significantly reducing the amount of light that gets to the under-screen camera. causing dark results when using this camera in conjunction with a pixel-dense screen. At CES, Samsung exhibited a solution for this problem by lowering the pixel density on that portion of the display that covered the camera.
Weibing explains, “… with current technical capabilities, it is impossible to find an effective solution that takes into account both display effects and camera effects,”, adding that the technology is “still far from achieving mass production.” Perhaps they need to get an in-depth briefing from Samsung Display.
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