Dolby has introduced the new HDR format Vision IQ especially for televisions, which as an update should improve the playback of Dolby Vision. The aim is to achieve an optimal display of films that support Dolby Vision - depending on the lighting conditions of the respective environment.
Dolby relies both on light sensors integrated into the TVs, which continuously measure the ambient light, and on the dynamic metadata embedded in Dolby Vision material to adjust the brightness and light saturation of each scene of a played back video to the lighting situation in the room. If the TV room is barely lit, a lower screen brightness is sufficient for correct Dolby Vision HDR display than in a room in bright sunlight, due to the adjusted light sensitivity of the eyes of the viewers.
Similar to 
Filmmaker Mode, Dolby Vision IQ is designed to ensure that images are reliably displayed (based on metadata) as intended by the filmmaker and are not influenced by TV presets or ambient light. This brightness adjustment can have a positive effect not only on the eyes, but also on the electricity bill.
LG and Panasonic will support Dolby Vision IQ in several new 2020 TV models, but unfortunately Dolby Vision IQ is not backwards compatible. The new Dolby Vision IQ TVs include the new Panasonic OLED top models such as the HZ2000. as well as the full range of LG&s 2020 OLED TVs such as the CX series and some new Nanocell 4K TVs. Samsung is unlikely to support the technology anytime soon, as its TVs continue to rely on its own HDR10+ format instead of Doby Vision.
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