Patent ID: 11935494
Assignee: SHENZHEN TCL DIGITAL TECHNOLOGY LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The television backlight dimming method as claimed in claim 1, wherein the step of adjusting the brightness of each of the LED lamps in the non-reference regions according to the brightness of each of the first horizontal LED lamps comprises:
making sure that a distance between each column of the LED lamps is not same;
acquiring a minimum vertical distance between the LED lamps in the reference region and the LED lamps in the non-reference region, and determining that the distance between each column of the LED lamps is an arithmetic progression from the center to the edge;
adjusting brightness of the LED lamps in each row according to the brightness of the LED lamps in the reference region, the minimum vertical distance, and a preset vertical common difference; and
adjusting the brightness of each of the LED lamps in the non-reference region according to the brightness of LED lamps in each row and the brightness of each of the first horizontal LED lamps.