First it was Huawei P20 Pro and its Night Mode, then Google introduced Night Sight with an Android Pie update for all Pixel devices, and other companies are now following. According to a report by XDA Developers, Samsung is also going in this direction and is developing a camera feature called Bright Night. It is expected to arrive with One UI in the upcoming Galaxy S10. Night Mode vs Night Sight The feature is effectively taking multiple pictures and combining them into a single brighter image with more detail in low-light environment. It isn't overexposed, does not rely on LED...
Source: https://www.gsmarena.com/samsung_night_mode_galaxy_s10_bright_night-news-34797.php