Curved Display Layer Layout for Compact Multi-Layer Assemblies
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Solution Overview
Problem
The increasing volume of display assemblies with multiple layers in electronic devices poses engineering and design challenges, particularly due to the stacking of electrical and mechanical connections, which can lead to additional design complexities and reduced available space.
Innovation Solution
A display assembly is designed with a touch sensitive layer, a force sensitive layer, and a display layer, where the display layer is positioned between the touch sensitive layer and the force sensitive layer, and can partially curve around the force sensitive layer, allowing for a bend that accommodates the connections in different locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple layers are stacked in the display assembly, then the display functionality is enhanced, but the volume occupied by the display assembly increases
Solution Approach 1:
The patent repositions electrical and mechanical connections from a vertical stacking arrangement to a distributed horizontal arrangement across different layers. The touch sensitive layer connects at a first location while the force sensitive layer connects at a second location, spreading connections across the lateral dimension rather than compressing them vertically, thereby reducing the overall display assembly volume.
2Device complexity
If electrical and mechanical connections are stacked on top of or in close proximity to one another, then the layer structure is simplified, but additional design challenges and complexities result
Solution Approach 1:
The patent segments the connection locations for different layers. The touch sensitive layer has electrical connections at a first location while the force sensitive layer has connections at a second location, separating connection points that would otherwise be stacked. This segmentation simplifies the manufacturing process by allowing independent connection routing for each layer without complex vertical alignment requirements.
3Volume of moving object
If connections are positioned in different locations for each layer, then the volume is reduced, but the device complexity increases
Solution Approach 1:
The frame structure serves multiple functions: it provides mechanical support for the display assembly, houses the separately located connections for different layers, and manages the routing of electrical and mechanical interfaces. This multi-functional design accommodates the distributed connection arrangement without proportionally increasing overall device complexity.
Data Source
AI summary
An electronic device having a display assembly is disclosed. Several layers may combine to form the display assembly. For example, the display assembly may include a touch sensitive layer (or touch detection layer), a display layer that present visual information, and a force sensitive layer (or force detection layer). The display layer may include a bend or curve that allows a portion of the display layer to bend around the force sensitive layer. Also, the connectors (that provide electrical and mechanical connections) may be positioned at different locations of the layers. For example, the display layer may include a connector on a first edge region, and the force sensitive layer may include a connector on a second edge region that is perpendicular, or at least substantially perpendicular, to the first edge region. By positioning the connectors on perpendicular edge regions, the display assembly may reduce its footprint.