Bendable Display Groove Region for Panel Integrity
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Solution Overview
Problem
Conventional display devices face challenges in reducing the peripheral region in three dimensions due to the thickness of the display panel, which makes it difficult to manufacture bendable or foldable panels with components like polarizers, touch panels, and protection films.
Innovation Solution
The display device incorporates a groove region formed by removing portions of the top and bottom members at the bending region, using laser irradiation to create a neutral plane between the display panel's surfaces, allowing the peripheral region to be bent and folded without damaging the panel, and enabling the display region to be disposed on the bottom surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the display panel is made thick to include components like polarizers, touch panels, and protection films, then the structural integrity and functionality are improved, but the ability to bend or fold the panel is deteriorated
Solution Approach 1:
The display device is divided into a display region and a peripheral region, with the peripheral region being bendable while the display region remains flat. This segmentation allows the thick display panel to be bent only in non-display areas, maintaining both structural integrity and bendability.
Solution Approach 2:
Different regions of the display device have different structural properties. The peripheral region is designed to be bendable with reduced thickness or different material composition, while the display region maintains full thickness and rigidity for optimal display performance.
2Area of stationary object
If the peripheral region is reduced in two dimensions, then the display area is maximized, but the ability to reduce the peripheral region in three dimensions through bending is limited
Solution Approach 1:
The peripheral region is bent in the third dimension (vertical direction) to dispose components on the bottom surface of the bottom member. This vertical arrangement further reduces the horizontal peripheral area, maximizing the display area while enabling three-dimensional reduction.
3Volume of moving object
If the display device is bent to reduce the peripheral region, then the three-dimensional space is optimized, but the display panel may be damaged
Solution Approach 1:
The device is segmented into bendable peripheral regions and non-bendable display regions, allowing bending without damaging the display panel.
Solution Approach 2:
The neutral plane is positioned within the display panel at the bending region to beforehand cushion against stress and prevent damage during bending operations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for the reduction of the peripheral region by bending the display device, maintaining panel integrity and creating a dead space-free structure, enabling the display device to be readily bent or folded without damaging the display panel.
Implementation Method 1
The groove region may be formed by laser irradiation
Implementation Method 2
A neutral plane at the bending region of the display device may be formed between a top surface of the display panel and a bottom surface of the display panel
Data Source
AI summary
A display device includes a bottom member, a display panel, a top member and a groove region. The display panel is disposed on the bottom member, and includes an organic layer. The top member is disposed on the display panel. The groove region is formed by removing at least one of the top member or the bottom member at a bending region of the display device.