Arc-Shaped Display Driver Layout for Narrow Frames

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing display devices face challenges in narrowing the frame by efficiently arranging peripheral circuits, which occupy a significant portion of the display area.

Innovation Solution

The display device is designed with scanning line drivers and signal line drivers that are curved in an arc shape to fit the corners of the display area, allowing for efficient placement of peripheral circuits, thereby reducing the frame size.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If peripheral circuits are arranged in the peripheral area, then the display device can be driven, but the frame size increases

Engineering Contradiction:

Improvedriving functionVSAvoidframe size

Core Design Contradiction:

ReliabilityVSLength of stationary object

Solution Approach 1:

The scanning line driver and signal line driver are arranged in an arc shape at the corner of the display area, utilizing curved geometry to pack peripheral circuits more efficiently into the corner space, thereby reducing the overall frame size while maintaining driving functionality

Inventive Principle:

Principle #14Spheroidality (Curvature)

Solution Approach 2:

The patent utilizes the corner region (a two-dimensional space) by arranging drivers in an arc shape that follows the corner geometry, effectively using the corner area that would otherwise be wasted space, thus reducing the frame size without compromising the driving function

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Length of stationary object

If peripheral circuits are arranged more efficiently, then the frame size is reduced, but the layout complexity increases

Engineering Contradiction:

Improveframe sizeVSAvoidlayout complexity

Core Design Contradiction:

Length of stationary objectVSDevice complexity

Solution Approach 1:

The scanning line driver and signal line driver are positioned asymmetrically at the corner of the display area rather than symmetrically at the center or edges, allowing more efficient use of corner space and reducing frame size while the asymmetric arrangement naturally simplifies the routing paths

Inventive Principle:

Principle #4Asymmetry

3Area of stationary object

If the display area is expanded, then the narrow frame effect is achieved, but the peripheral circuit area is reduced

Engineering Contradiction:

Improvedisplay areaVSAvoidperipheral circuit placement

Core Design Contradiction:

Area of stationary objectVSEase of manufacture

Solution Approach 1:

By arranging the drivers in an arc shape at the corner, the patent maximizes the display area while maintaining adequate space for peripheral circuits through curved geometry that fits efficiently into the corner region

Inventive Principle:

Principle #14Spheroidality (Curvature)

Data Source

PatentUS12411372B2Display device

Publication Date: 2025.09.09 MAGNOLIA WHITE CORP

AI summary

In one embodiment, a display device includes a display area, a peripheral area, scanning lines, signal lines, a first driver in the peripheral area, and a second driver in the peripheral area. The display area has an arc-shaped corner. The first driver includes first and second buffers configured to apply voltage to the scanning lines, a first shift register unit configured to control the first buffer unit, and a second shift register unit configured to control the second buffer unit. At the corner, extension directions of the first buffer unit and the first shift register unit are equal to each other. Extension directions of the second buffer unit and the second shift register unit are different from each other.