Segmented Gate Driving for Multi-Frequency Display Panels
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Solution Overview
Problem
Existing display devices lack the ability to drive different regions of a display panel with separate driving frequencies, leading to inefficiencies and potential display inconsistencies.
Innovation Solution
A display apparatus with a display panel divided into regions, each driven by separate gate drivers operating at different frequencies, controlled by a controller to ensure optimal operation of pixels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single gate driver drives the entire display panel, then the device complexity is reduced, but the display consistency and performance across different regions deteriorates
Solution Approach 1:
The display panel is divided into multiple regions (first region, second region, third region, fourth region) with each region driven by a separate gate driver. This segmentation allows each gate driver to operate independently at frequencies optimized for its specific region's function, thereby maintaining display consistency across different areas while managing overall system complexity through modular architecture.
2Adaptability or versatility
If different regions are driven at different frequencies, then the adaptability to various display functions is improved, but the device complexity increases
Solution Approach 1:
Each gate driver is configured with specific driving frequencies tailored to the functional requirements of its corresponding display region. For example, the first gate driver operates at a first driving frequency suitable for dashboard information, while the second gate driver operates at a second driving frequency optimized for navigation display. This local quality approach enables each region to have optimized performance characteristics without requiring a completely complex centralized control system.
3Reliability
If the display panel is divided into multiple regions with separate gate drivers, then the display performance for different functions is improved, but the manufacturing complexity increases
Solution Approach 1:
The display panel is segmented into multiple independently addressable regions, each with its own gate driver configuration. This segmentation enables flexible manufacturing approaches where regions can be tested and calibrated independently, potentially simplifying the manufacturing process despite the increased number of components. The modular structure allows for standardized manufacturing techniques to be applied to each region.
Data Source
AI summary
A display apparatus includes a display panel in which a plurality of data lines, a plurality of gate lines, and a plurality of pixels are arranged, and the plurality of gate lines is divided into at least two regions and separately driven, at least two gate drivers configured to supply scan signals at different frequencies to the plurality of gate lines of the divided regions, a data driver configured to supply data signals to the plurality of data lines, and a controller configured to control the at least two gate drivers such that the at least two gate drivers output scan signals at different frequencies.