Display Driving Circuit Frame Data Storage Control
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Solution Overview
Problem
The processor in an electronic device may transmit frame data to the display-driving circuit before completing its acquisition, leading to deteriorated screen quality due to the independence of data acquisition and transmission times between the processor and the display-driving circuit.
Innovation Solution
The display-driving circuit is configured to receive frame data from the processor, temporarily prevent storage of the data, and store subsequent frame data after a predetermined time, ensuring complete data generation before display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the processor transmits frame data to the display-driving circuit before completing acquisition, then transmission speed is improved, but the quality of displayed content deteriorates due to incomplete data
Solution Approach 1:
The display-driving circuit proactively manages the frame data storage timeline by receiving acquisition completion timing information from the processor. It prevents storage of frame data until the processor confirms completion of content acquisition, ensuring data integrity before display while maintaining efficient transmission workflows.
2Adaptability or versatility
If the processor and display-driving circuit operate independently with separate timing, then operational autonomy is improved, but coordination between data acquisition and transmission deteriorates
Solution Approach 1:
The processor provides feedback to the display-driving circuit by transmitting acquisition completion timing information. This feedback mechanism enables the display-driving circuit to synchronize its frame data storage operations with the processor's acquisition schedule, ensuring reliable coordination while preserving the operational independence of both components.
3Productivity
If frame data is stored immediately upon receipt, then productivity is improved, but display quality deteriorates due to incomplete content acquisition
Solution Approach 1:
The display-driving circuit performs a preliminary check by receiving acquisition completion timing information before storing frame data. This preliminary action ensures that data storage is postponed until content acquisition is complete, guaranteeing content completeness while maintaining efficient processing workflows.
Solution Approach 2:
The acquisition completion timing information acts as an intermediary signal between the processor and display-driving circuit. It mediates the data storage decision by providing timing coordination information, allowing the system to balance productivity with content completeness requirements.
Data Source
AI summary
An electronic device according to various embodiments may comprise: a display; a processor; a memory; and a display drive circuit for driving the display panel, wherein the display drive circuit is configured to: receive first frame data including at least a part of a second content from the processor while a first content is displayed using the display panel; keep from storing the received first frame data in the memory at least temporarily for a designated period of time; receive second frame data including at least a part of the second content from the processor after the designated period of time; store the received second frame data in the memory; and display the second content on the display panel according to the second frame data.