Foldable OLED Display Housing with Adaptive Hinge Friction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Portable information handling systems face challenges in providing sufficient structural support for thin OLED displays and managing heat generation, while also needing to adapt to various user configurations and orientations for enhanced interactivity.
Innovation Solution
A portable information handling system with rotationally-coupled housing portions and hinges that adjust friction to maintain desired orientations, allowing a foldable OLED display to adapt content presentation based on user interactions and system context, integrating a peripheral keyboard with heat management and wireless connectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a thin OLED display is used to reduce device thickness and improve portability, then the form factor and portability are improved, but the structural support and protection become insufficient
Solution Approach 1:
The patent applies flexible display technology where the OLED display is mounted on a flexible substrate that can bend and conform to the housing structure. This allows the thin display to maintain its flexibility while being supported by the rigid housing portions, resolving the contradiction between thinness and structural support.
Solution Approach 2:
The flexible display is nested within the housing structure, with the display substrate conforming to the internal geometry of the housing portions. This nesting arrangement provides structural support from the housing while maintaining the thin profile of the display.
2Length of moving object
If OLED display technology is used to reduce thickness, then the form factor is improved, but heat generation management becomes more difficult
Solution Approach 1:
The patent extracts the heat management function from the thin display structure by incorporating separate thermal management components, including heat sinks and thermal vias in the housing portions that are distinct from the display assembly itself.
Solution Approach 2:
The patent introduces thermal interface materials and heat dissipation structures as intermediaries between the OLED display and the housing portions. These intermediary elements facilitate heat transfer from the thin display to the larger thermal mass of the housing, managing heat generation while maintaining the thin display profile.
3Adaptability or versatility
If multiple housing portions are rotationally coupled to enable various configurations, then the adaptability and user interaction are improved, but the device complexity increases
Solution Approach 1:
The housing is segmented into multiple rotationally coupled portions that can independently move relative to each other. This segmentation allows the device to achieve multiple configurations (tablet mode, clamshell mode, book mode) through simple rotational movements of discrete housing segments, managing complexity through modular design.
Solution Approach 2:
The housing portions are designed with dynamic rotational joints that allow the device to transition between different configurations. The display system dynamically adapts its content presentation based on the detected housing configuration, with the user interface automatically reconfiguring to match the physical state of the device.
4Ease of operation
If the display system automatically adapts content presentation based on housing orientation, then the ease of operation is improved, but the extent of automation increases system complexity
Solution Approach 1:
The system incorporates sensors that detect the housing configuration and orientation, providing feedback to the display control system. Based on this feedback, the display automatically adjusts content presentation, orientation, and active display regions. This feedback loop enables intuitive operation where the display adapts to the user's physical manipulation of the device without requiring manual software configuration.
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
Enables flexible display configurations, improved user interaction, and efficient heat management, allowing the system to adapt content presentation and input/output devices based on user preferences and orientations, supporting multiple usage scenarios like video conferencing and multimedia viewing.
Implementation Method 1
hinges disposed between the rotationally-coupled housing portions selectively adjust friction to cooperatively bias and maintain the housing portions in desired relative rotational orientations
Data Source
AI summary
A portable information handling system with rotationally coupled housing portions having an OLED film display disposed over the housing portions automatically adapts presentation of visual images at the display to the housing portion relative positions and orientation. For example, based on a fold orientation of the housing and a landscape or portrait orientation, visual information adapts to show different user interfaces and content.