In terms of picture size, E5K series covers 55/65/75/100 inch common sizes, which can meet the needs of small rooms such as bedrooms, as well as the use of large living rooms, gyms and meeting rooms. The first is the independent backlight zone. 100/75/65/55 inch corresponds to 384/220/160/32 independent backlight zones respectively. The number of backlight zones at the same price is the largest. It can be simply understood that E5K has the best lighting and dark field picture experience at the same price.