Today Oppo introduced its new under-display camera technology, two years after building its first working prototype. The company worked a lot to improve the quality of the screen on top and the image quality of the camera itself, resulting in product far more suited for comercial products. The panel is developed jointly with BOE, one of the major display manufacturers in China. The companies developed an innovative pixel geometry that shrinks the size of every pixel in the area over the camera lens, reaching 400ppi. Oppo also has replaced the traditional screen wiring with a new...
Source: https://www.gsmarena.com/oppo_brings_its_secondgen_underdisplay_camera_technology-news-50375.php
