Transparent Touchscreen Haptic Feedback Actuator
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Solution Overview
Problem
Existing input devices for vehicles are costly and require improvements in design to reduce expenses while maintaining effective haptic feedback and functionality.
Innovation Solution
A vehicle input device featuring a transparent touchscreen with an actuator and control system that allows the touchscreen to move relative to the display, providing haptic feedback and optical information display, along with a flexible element to prevent particle penetration and a wireless interface for data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a touchscreen with haptic feedback is implemented in a vehicle, then user interaction quality is improved, but device complexity and cost increase
Solution Approach 1:
The touchscreen is designed to serve multiple functions: visual display, touch input detection, and haptic feedback generation. By integrating these functions into a single device rather than separate components, the system improves user interaction quality while managing complexity through functional consolidation.
Solution Approach 2:
Haptic feedback is implemented through mechanical vibration elements integrated into or beneath the touchscreen. This allows tactile feedback to be generated directly at the touch interface, enhancing user interaction without requiring separate haptic devices.
2Ease of operation
If a touchscreen with haptic feedback is implemented in a vehicle, then user interaction quality is improved, but manufacturing cost increases
Solution Approach 1:
The touchscreen serves multiple functions including visual display, touch detection, and haptic feedback, eliminating the need for separate components and reducing overall manufacturing cost despite the advanced functionality provided.
Solution Approach 2:
Multiple functional elements (display, touch sensing, haptic feedback) are merged into a single integrated touchscreen assembly, reducing the number of separate parts to manufacture and assemble, thereby controlling manufacturing costs.
3Illumination intensity
If the touchscreen is made transparent, then optical display quality is improved, but manufacturing complexity increases
Solution Approach 1:
The touchscreen utilizes transparent or translucent materials that allow light to pass through, improving optical display quality by enabling better visibility and integration with the display backlight while maintaining the functional integrity of the touch interface.
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 solution reduces costs by utilizing a versatile input device design suitable for vehicles and additional applications, offering effective haptic feedback and optical information display while preventing particle ingress and enabling wireless data transmission.
Implementation Method 1
an actuator (13) to move the touchscreen (11) or housing (100) in at least one direction
Implementation Method 2
transmission of the generated vibrations from the functional level to the protective level occurs by direct contact of the two levels and/or over the edge regions of the levels by rigid or elastic connection elements
Implementation Method 3
transmission of the generated vibrations from the functional level to the protective level occurs by direct contact of the two levels and/or over the edge regions of the levels by rigid or elastic connection elements
Implementation Method 4
A flexible element to prevent particle penetration
Data Source
AI summary
An input device, especially for a vehicle, includes a housing, a display arranged in the housing for optical display of information, a touchscreen arranged above the display to enter commands by touching an operating surface of the touchscreen, an actuator arranged in the housing to move the touchscreen or housing in at least one direction, a control arranged in the housing to drive the actuator when the operating surface is touched in a region prescribed for haptic feedback and an interface for output of information via a command entered by touching the operating surface of the touchscreen.