Rotatable Display Hinge Direction Indicators
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Solution Overview
Problem
Existing portable electronic devices with rotating display panels face issues of hinge damage due to unintended rotation, increased complexity and cost from built-in sensors and switches, and user confusion regarding rotational direction, especially with larger panels.
Innovation Solution
A hinge mechanism with integrated first and second rotation arrows and indication windows that allow users to determine the correct rotational direction without activation, using a simple fabrication process to provide visible rotational direction indicators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If built-in sensors and switches are incorporated into the hinge assembly to detect rotational position, then the rotational direction can be detected and controlled, but the hinge assembly becomes very complex and production cost increases
Solution Approach 1:
The patent replaces the mechanical sensor/switch-based detection system with a visual indication system using arrows and windows. The rotational direction is indicated through visual markers (arrows) that are visible through windows on the housing, eliminating the need for complex mechanical sensors and switches in the hinge assembly.
Solution Approach 2:
The patent uses visual copies (arrows and indicators) to represent rotational direction information instead of using physical sensors. The arrows serve as visual representations that convey the same information that sensors would detect, but in a simpler, cost-effective manner.
2Reliability
If high rotational resistance is set in the hinge mechanism to prevent unintentional rotation, then the display panel does not rotate unintentionally, but the user may have difficulty determining whether the panel is difficult to rotate due to high resistance or wrong mechanical direction
Solution Approach 1:
The patent provides visual indication arrows and windows before the user attempts rotation, allowing the user to determine the correct rotational direction in advance. This preliminary visual information guides the user before any physical interaction, eliminating confusion about whether resistance is due to high hinge setting or wrong direction.
Solution Approach 2:
The patent uses visual indicators (arrows visible through windows) to provide clear directional information. The visual contrast and visibility of arrows through the windows create an obvious visual cue system that guides user action without requiring physical interaction first.
3Area of moving object
If the display panel is made larger to improve display quality, then the display quality improves, but the point of applied force gets farther from the hinge mechanism, applying larger force to the hinge and increasing damage risk
Solution Approach 1:
The patent applies preliminary anti-action by providing visual indicators (arrows) that prevent wrong-direction rotation before it occurs. By guiding the user to apply force in the correct direction through visible arrows, the system prevents the harmful effect of large forces being applied to the hinge mechanism in wrong directions.
Data Source
AI summary
According to one embodiment, an electronic device includes a main body having a housing, a display panel having a screen and a hinge mechanism connecting the main body and the display panel. Positioned along a rotational axis to allow the display panel to rotate with respect to the main body, the hinge mechanism includes a first indicator and a second indicator showing respective rotational directions with respect to the rotational axis. The directions of the first indicator and the second indicator are opposite to each other.