Folded Display Panel Non-Display Area Relocation

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Solution Overview

Problem

In personal digital assistants, such as smartphones, there is a demand for display devices with minimized non-display areas to maximize the display area while maintaining compact and lightweight hardware, but existing technologies struggle to completely eliminate built-in circuits, routing lines, and connectors.

Innovation Solution

A display device design featuring a display panel folded along intersecting directions with specific folding lines, allowing non-display areas to be folded downward and positioned on the backside of the display area, thereby minimizing the frame and optimizing space usage without compromising the display area.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of moving object

If the display area is increased to maximize information handling, then the display performance is improved, but the device size and weight increase

Engineering Contradiction:
Improvedisplay areaVSAvoiddevice weight
Core Design Contradiction:
Area of moving objectVSWeight of moving object

Solution Approach 1:

The patent applies dimensionality change by folding the non-display areas downward along folding lines and positioning them on the backside of the display area. This transforms the spatial arrangement from a planar two-dimensional layout to a three-dimensional configuration, allowing the display area to be maximized in the front view while the non-display areas are relocated to the rear, effectively increasing display area without proportionally increasing device weight.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Area of moving object

If the non-display area is reduced to maximize display area, then the display area proportion is improved, but the built-in circuits and connectors cannot be completely removed

Engineering Contradiction:
Improvedisplay area proportionVSAvoidcircuit integration
Core Design Contradiction:
Area of moving objectVSDevice complexity

Solution Approach 1:

The patent relocates non-display areas containing built-in circuits, routing lines, and connectors to the backside of the display area through downward folding along folding lines. This spatial relocation allows the front surface to be fully utilized for display purposes while the necessary circuit components are positioned in the rear non-display areas, achieving maximum display area proportion without eliminating essential circuitry.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The display panel is segmented into display areas and non-display areas separated by folding lines. This segmentation allows independent positioning and optimization of each region, enabling the display areas to occupy the entire front surface while non-display areas with circuits are concentrated in the rear, resolving the contradiction between maximizing display area and maintaining circuit functionality.

Inventive Principle:
Principle #1Segmentation

3Shape

If the non-display area is minimized to narrow the frame, then the aesthetic appearance and display area are improved, but the routing lines and connectors require more sophisticated arrangement

Engineering Contradiction:
Improveframe widthVSAvoidrouting line arrangement
Core Design Contradiction:
ShapeVSEase of manufacture

Solution Approach 1:

The patent narrows the frame by folding non-display areas downward and positioning them on the backside, which concentrates routing lines and connectors in the rear non-display areas. This spatial reorganization simplifies the routing arrangement by providing dedicated spaces in the folded-down regions, allowing sophisticated connector placement without complicating the overall manufacturing process.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS11099413B2Display device
Publication Date: 2021.08.24 MAGNOLIA WHITE CORP
  • US11099413B2 patent drawing
  • US11099413B2 patent drawing
  • US11099413B2 patent drawing

AI summary

According to one embodiment, a display device includes a first basement, a first folding line and a second folding line. The first basement has a first area which is a display area including a display element, and a second area and a third area which are non-display areas and are adjacent to the first area. The first folding line is located at a border of the first area and the second area. The second folding line is located at a border of the first area and the third area. The first folding line extends in a first direction, and the second folding line extends in a second direction intersecting the first direction.