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US 10,446,071 B2Granted
Device and method of using slice update map
AssigneeSamsung Electronics Co., Ltd.
InventorsSang-Hoon Lee, Jong-Ho Roh, Sang-Hoon Ha, Sung-Hoo Choi, Hoon-Mo Yang, Seong-Woon Kim, Jong-Hyup Lee, Ha-Na Yang
Life of this patent
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Abstract
An electronic device includes a processor configured to generate a slice update map indicating a location of at least one updated slice having a data change in frame data including a plurality of slices; and a display controller configured to extract frame data of the at least one updated slice from a memory based on the slice update map and transfer the frame data to a display driver.
Claims17
An electronic device comprising:
- a processor configured to determine tiles of frame data whose data has been updated, divide the frame data into a first number of first slices to update and a second number of second slices to exclude from the update according to a size and a location of the tiles to minimize the first number of the first slices to update, and generate a slice update map indicating a location of the first slices, where the minimization results in each tile whose data has been updated being included within a least number of the first slices to update;
- and
- a display controller configured to extract frame data of the first slices from a memory based on the slice update map by grouping the first slices spatially adjacent one another in a frame into at least one least one sub block, and
- wherein the display controller is further configured to transfer the frame data to a display driver by transferring the at least one sub block in sub block based units to the display driver,
- wherein each tile is smaller than each slice.
2 more elements
An electronic device control method comprising:
- determining, by a processor, tiles of frame data whose data has been updated;
- dividing, by the processor, the frame data into a first number of first slices to update and a second number of second slices to exclude from the update according to a size and a location of the tiles to minimize the first number of the first slices to update;
- generating, by the processor, a slice update map indicating a location of the first slices, where the minimization results in each tile whose data has been updated being included within a least number of the first slices to update;
- extracting, by a display controller, frame data of the first slices from a memory based on the slice update map by grouping the first slices spatially adjacent one another in a frame into at least one least one sub block;
- and
- transferring, by the display controller, the frame data to a display driver by transferring the at least one sub block in sub block based units to the display driver according to their raster scan order on a display device,
- wherein each tile is smaller than each slice.
4 more elements
Dependencies are inferred from the claim text.