Display Driver Image Splitter for Partial Region Updates
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Solution Overview
Problem
Existing display drivers face challenges in efficiently updating multiple partial regions of a display panel simultaneously, leading to increased power consumption and reduced efficiency in image display.
Innovation Solution
A display driver system that includes an interface for receiving control signals and image data, an image splitter to split the data into partial regions, and a storage unit to store and update the image data in separate storage areas, allowing for simultaneous updates of multiple partial regions during a single frame period.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple partial regions are updated sequentially in existing display drivers, then the display panel can be updated, but power consumption increases and update efficiency decreases
Solution Approach 1:
The image data is divided into multiple separate image data corresponding to different partial regions of the display panel. Each partial region has its own dedicated storage area, allowing simultaneous update operations on multiple regions without sequential processing overhead, thereby improving update efficiency while reducing power consumption.
Solution Approach 2:
The patent introduces a new dimension of parallel processing by organizing storage areas in a two-dimensional layout (first storage area, second storage area, etc.) that corresponds to spatial regions on the display panel. This allows multiple regions to be updated simultaneously in different spatial locations, transforming sequential updates into parallel operations.
2Productivity
If the image data size is smaller than the display panel size, then data transmission is optimized, but the ability to update multiple separate regions simultaneously is limited
Solution Approach 1:
The patent segments both the image data and the storage structure into multiple corresponding parts. The image data is split into multiple separate image data, and the storage is divided into multiple storage areas, with each area dedicated to storing a specific partial image data. This segmentation enables simultaneous updates of multiple regions while maintaining a structured, manageable data organization that does not excessively increase device complexity.
Solution Approach 2:
The storage unit acts as an intermediary between the interface receiving image data and the source driver outputting to the display panel. It provides a structured buffering mechanism with multiple storage areas that facilitates the simultaneous processing and updating of multiple partial regions, simplifying the overall data flow management.
Data Source
AI summary
Provided are a display driver, a display device, and a display system. The display driver includes: an interface configured to receive a control signal and image data from a host, a sum of a number of columns and rows of the image data being less than a sum of a number of columns and rows of the display panel; an image splitter configured to split, based on the control signal, the image data into a plurality of image data respectively corresponding to a plurality of partial regions of the display panel, the plurality of partial regions being separate from each other; a storage configured to store the plurality of image data in a plurality of storage areas respectively corresponding to the plurality of partial regions; and a source driver configured to drive the display panel based on the plurality of image data output from the storage during one frame period.