Integrated Driver Reducing Bezel Size in LCD Panels
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Solution Overview
Problem
Conventional liquid crystal display (LCD) devices require significant space for gate and data drivers, which limits the miniaturization of the display device and increases the bezel size.
Innovation Solution
The integration of an auxiliary line that overlaps and is connected to the data line, allowing for the reduction of driver placement on the sides of the display panel, enabling a more compact design by eliminating the need for separate driver accommodations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If gate driver and data driver are disposed on different sides of the display panel, then the drivers can be properly connected to gate lines and data lines, but the bezel size increases and miniaturization is limited
Solution Approach 1:
The patent merges the functions of gate driver and data driver into a single integrated driver unit. The integrated driver includes both gate driving circuitry and data driving circuitry, allowing both drivers to be disposed on one side of the display panel rather than requiring separate placements on opposite sides. This consolidation directly reduces the bezel size while maintaining proper connectivity to both gate lines and data lines through shared signal lines and common connection structures.
Solution Approach 2:
The integrated driver performs multiple functions that were previously handled by separate gate and data drivers. It includes gate signal generation circuits, data signal processing circuits, and shared connection interfaces that can interface with both gate lines and data lines. This multi-functional design eliminates the need for separate driver placements and reduces overall device complexity.
2Reliability
If significant space is allocated for separate gate driver and data driver placements, then proper driver functionality is ensured, but the overall device size increases
Solution Approach 1:
The patent combines gate driver and data driver into a single integrated driver unit, consolidating the space requirements from two separate driver placements into one unified structure. This integration maintains all necessary driver functionalities while reducing the total area occupied by driver components, thereby decreasing the overall display device area without compromising reliability.
Solution Approach 2:
The integrated driver utilizes vertical stacking and multi-layer routing to accommodate both gate and data driving functions within a compact footprint. By transitioning from a horizontal spread-out layout to a vertically-integrated structure with multiple signal layers, the design reduces the planar area required while maintaining full driver functionality.
Data Source
AI summary
A display device may include a switching device, a gate line, a data line, a pixel electrode, and an auxiliary line. The switching device includes a first electrode, a second electrode, and a third electrode. The gate line is electrically connected to the first electrode. The data line crosses the gate line in a plan view of the display device and is electrically connected to the second electrode. The pixel electrode is electrically connected to the third electrode. The auxiliary line is electrically connected through the first gate line to the first electrode and crosses the gate line in the plan view of the display device.