Foldable OLED Housing with Friction Hinges
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Solution Overview
Problem
Portable information handling systems face challenges in providing sufficient structural support for thin OLED displays while protecting them from damage and managing heat generation, as well as adapting user interface configurations 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, then portability and form factor are improved, but structural support and protection from damage become insufficient
Solution Approach 1:
The patent integrates multiple protective and support structures within the housing layers, nesting functions similar to nested dolls. The housing includes multiple layers with reinforcement structures, protective films, and structural elements embedded within, providing adequate support for the thin OLED display without increasing overall device thickness.
Solution Approach 2:
The patent employs composite materials in the housing construction, combining different materials with complementary properties. The housing includes rigid materials for structural support, flexible materials for protection, and thermally conductive materials for heat management, creating a composite structure that simultaneously achieves thinness, strength, and protective functions.
2Length of moving object
If a thin OLED display is used to reduce device thickness, then portability is improved, but protection from damage becomes insufficient
Solution Approach 1:
The patent implements protective structures and cushioning elements beforehand within the housing design. These include protective films,缓冲 structures, and reinforced housing layers positioned to absorb and distribute impact forces before they reach the thin OLED display, preventing damage while maintaining device thinness.
3Adaptability or versatility
If housing portions are rotationally coupled to support multiple configurations, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent divides the housing into multiple rotationally coupled portions or segments that can move relative to each other. This segmentation allows the device to achieve multiple configurations (such as tablet mode, clamshell mode, and presentation mode) through controlled rotation of individual housing segments, providing adaptability without requiring a completely complex redesign of the entire housing structure.
Solution Approach 2:
The patent incorporates dynamic elements into the housing design, allowing certain portions to rotate or adjust their position based on user needs. The rotational coupling mechanisms enable the housing to transition between static and dynamic states, supporting multiple usage configurations while using relatively simple mechanical joints rather than complex active control systems.
4Stability of the object's composition
If friction is adjusted in hinges to maintain orientations, then stability is improved, but ease of operation decreases
Solution Approach 1:
The patent implements friction adjustment mechanisms in the hinges that operate periodically or in discrete steps rather than continuously. The friction can be adjusted to different levels (high for stability, low for movement) through periodic actuation, allowing the housing to be easily reconfigured when needed while maintaining stable orientations during use. This periodic adjustment resolves the contradiction by providing both ease of operation during configuration changes and stability during normal use.
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
The system enhances user interactivity by automatically adjusting display content and input devices based on housing orientation, providing robustness and efficient heat management, supporting various usage configurations like tablet, clamshell, and videoconference modes with improved data transfer rates.
Implementation Method 1
hinges that adjust friction to maintain desired orientations
Implementation Method 2
organic light emitting diode (OLED) display devices
Implementation Method 3
OLED films generate heat as a byproduct of illumination of images
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 predicts a housing rotational configuration based at least in part upon end user touches detected at the housing portions. An orientation manager controls hinge positions for hinges that rotationally couple the housing portions to each other to coordinate movement of the housing portions to a desired predicted rotational configuration, such a planar tablet configuration, a folded configuration, or a clamshell configuration.