Back to results
US 2024/0203369 A1Published application
Local adaptive backlight control
AssigneeV-Silicon Semiconductor (Hefei) Co., Ltd
InventorsErwin Bellers, Johannes Gerardus Rijk van Mourik
Life of this patent
Estimating the term…
Abstract
A method of operating a backlight comprises: receiving an input video; analyzing characteristics of the input video within a plurality of predefined spatial windows having one or more light emitting diodes to generate required light levels; generating backlight drive levels per spatial window to reduce the backlight in a first set of the plurality of the predefined spatial windows; and driving the backlight according to the generated backlight drive levels.
Claims20
A method of operating a backlight, comprising:
- receiving an input video;
- analyzing characteristics of the input video within a plurality of predefined spatial windows having one or more light emitting diodes to generate required light levels;
- generating backlight drive levels per spatial window to reduce the backlight in a first set of the plurality of the predefined spatial windows;
- and
- driving the backlight according to the generated backlight drive levels.
2 more elements
A backlight system, comprising:
- an analyzer configured to receive input video and analyze characteristics of the input video within a plurality of predefined spatial windows having one or more light emitting diodes to generate required light levels;
- a backlight drive levels block configured to generate backlight drive levels per spatial window to reduce the backlight in a first set of the plurality of the predefined spatial windows;
- and
- circuitry configured to drive the backlight according to the generated backlight drive levels.
1 more element
Dependencies are inferred from the claim text.