Dual-Side Display Substrate with Bending Area
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Solution Overview
Problem
Conventional display devices have limited display area designs, which restrict their ability to provide extended viewing surfaces without increasing thickness or requiring additional IC chips, and they often have inefficient use of substrate space.
Innovation Solution
The display device incorporates a substrate with a first and second display area separated by a bending area, where each display area includes light-emitting elements and pixel circuit parts, allowing for extended display surfaces on both the front and rear without additional transistors or IC chips, utilizing a scan driver and data driver positioned to overlap part of the second display area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If a conventional display device design is used with a single display area, then the device structure is simple, but the display area is limited and cannot provide extended viewing surfaces
Solution Approach 1:
The display device is divided into multiple display areas (first display area and second display area) separated by a non-display area, allowing each area to be independently configured and connected through bending, thereby extending the total display area without requiring a single large continuous structure
Solution Approach 2:
The display areas are arranged in different spatial dimensions - the first display area on the front surface and the second display area on the rear surface, connected through a bending area, effectively utilizing three-dimensional space to extend the display area beyond the limitations of a single planar surface
2Area of moving object
If additional IC chips or transistors are added to extend display area, then the display area can be extended, but the thickness increases and substrate space is wasted
Solution Approach 1:
The substrate serves multiple functions simultaneously - it acts as the structural base, the bending area serves as both a connector and a space-saver, and the display areas on both front and rear surfaces utilize the same substrate without requiring additional support structures or IC chips, thereby extending display area without increasing thickness
Solution Approach 2:
The second display area is effectively nested within the overall device structure by positioning it on the rear surface, utilizing the internal volume and spatial arrangement rather than adding external extensions, thus avoiding thickness increase while extending total display area
3Adaptability or versatility
If display areas are spaced apart by non-display area, then each area can be independently configured, but substrate space is not efficiently used
Solution Approach 1:
By arranging display areas on both the front and rear surfaces of the substrate and connecting them through a bending area, the design utilizes the third dimension (depth/thickness direction) to accommodate multiple display areas, thereby efficiently using the available substrate volume and achieving high substrate space utilization while maintaining independent configuration capability
Data Source
AI summary
A display device includes a substrate including a first display area, a second display area, and a non-display area; a first pixel circuit part and a second pixel circuit part disposed in the first display area; a 1-1-th light-emitting element electrically connected to the first pixel circuit part and overlapping the first display area; and a second light-emitting element electrically connected to the second pixel circuit part and overlapping the second display area. The non-display area is disposed between the first display area and the second display area.