Display Driving Circuit With Multi-Frequency Area Control
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Solution Overview
Problem
Existing electronic devices face challenges in balancing display quality and power consumption, as increasing operating frequency improves display quality but increases power consumption, while reducing frequency lowers power consumption but may compromise display quality.
Innovation Solution
The electronic device employs a multi-frequency driving mode that adjusts operating frequencies based on the type of content displayed in different areas, using a driving circuit that controls the display panel to operate at varying frequencies, reducing power consumption without compromising display quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the operating frequency of the electronic device is increased to improve display quality, then the display quality is improved, but the power consumption increases
Solution Approach 1:
The display panel is divided into multiple display areas, each capable of operating at different frequencies independently. This segmentation allows the device to apply high frequency only to specific areas requiring high display quality while other areas operate at lower frequencies, thus resolving the contradiction between overall display quality and power consumption.
Solution Approach 2:
Different display areas are assigned different operating frequencies based on their specific content requirements. Areas displaying static or low-complexity content operate at lower frequencies to save power, while areas displaying dynamic or high-complexity content operate at higher frequencies to maintain display quality. This local differentiation resolves the contradiction by optimizing each area's frequency based on actual needs.
2Use of energy by moving object
If the operating frequency is lowered to reduce power consumption, then the power consumption is reduced, but the display quality may be compromised
Solution Approach 1:
The operating frequency of each display area is dynamically adjusted based on real-time content characteristics and display requirements. The driving circuit continuously monitors and adapts the frequency of each area, ensuring that display quality is maintained at high frequencies when needed while transitioning to lower frequencies for power savings when appropriate. This dynamic adjustment resolves the contradiction by making frequency a flexible parameter rather than a fixed compromise.
3Use of energy by moving object
If the display panel is divided into multiple display areas with different frequencies, then power consumption is optimized, but the device complexity increases
Solution Approach 1:
The driving circuit is designed with multi-functionality to handle both single-frequency and multi-frequency operating modes. The same circuit infrastructure can operate in different configurations depending on the display needs, eliminating the requirement for separate dedicated circuits for each mode. This universal design reduces the overall device complexity while still enabling power consumption optimization through multi-frequency operation.
Data Source
AI summary
An electronic device includes a processor that outputs a transmit signal including a parameter and an image signal, a display panel, and a driving circuit that receives the transmit signal and performs control such that an image corresponding to the image signal is displayed on the display panel based on the parameter included in the transmit signal. The parameter includes a first command indicating a multi-frequency mode, a second command indicating a number of display areas of the display panel, and a third command indicating whether the image signal corresponding to each of the display areas is transmitted.