Vehicle Switch Panel with On-Demand Design Display Visibility
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Solution Overview
Problem
The existing switch devices for vehicles have low visibility of switch positions when no pattern is displayed, making it difficult to understand the positions of the electrodes.
Innovation Solution
A switch device with a panel featuring a first design and a second design, where the first switch detects operations on the first design and a control unit sets and switches the second design from a non-display state to a display state based on the first switch's operation, improving visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the second design is always displayed to improve visibility, then the visibility of switch positions is improved, but the visual complexity and device complexity increase
Solution Approach 1:
The panel dynamically changes its display state based on user interaction. Initially, only the first design is displayed to maintain simplicity. When the user operates the first switch, the panel transitions to display the second design, improving visibility at the moment of operation. This dynamic switching resolves the contradiction by adapting the display complexity to the operational context.
Solution Approach 2:
The system prepares the second design for display in advance but keeps it hidden until needed. The control unit pre-configures the panel to switch to the second design when the first switch is operated, ensuring that the additional design is ready but not actively displayed, thus maintaining low visual complexity until the moment it is needed for improved visibility.
2Ease of operation
If the second design is displayed to indicate switch position, then the operability is improved, but the energy consumption increases
Solution Approach 1:
The panel uses periodic or on-demand display activation rather than continuous display. The second design is displayed only during the brief period when the user interacts with the first switch, providing operational guidance exactly when needed. This periodic activation significantly reduces energy consumption compared to continuous display while maintaining ease of operation during critical interaction moments.
Data Source
AI summary
A switch device includes a panel having a first design and a second design, a first switch configured to detect an operation performed on the first design displayed on the panel, a second switch configured to detect an operation performed on the second design displayed on the panel, and a control unit configured to set a display state in which the first design is displayed and a non-display state in which the second design is not displayed, in an initial state, and switch the second design from the non-display state to the display state based on an operation to the first switch.