3D Interference Display Interface for Reachable In-Car Controls
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Solution Overview
Problem
Current display and operating systems in motor vehicles are limited to two-dimensional interfaces, making it difficult for drivers to access and operate functions comfortably and safely, especially when screens are positioned far away, requiring users to bend or stretch, which can compromise safety and usability.
Innovation Solution
A method and apparatus that utilize light wave interference to create a real image of a display element in space in front of the display area, allowing for intuitive and natural operation of both two-dimensional and three-dimensional interfaces, with functions accessible from multiple sides, eliminating the need for physical buttons and enhancing safety by keeping the driver seated upright.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If screens are installed in center console and control panel, then information display capability is improved, but driver accessibility and safety deteriorate due to required hand extension and bending
Solution Approach 1:
The patent transitions from traditional 2D flat screens to a 3D volumetric display system using light field technology. Multiple light fields are combined to create a three-dimensional image space that can be accessed from multiple directions, allowing drivers to interact with information without extending hands or bending, thus resolving the contradiction between information display and driver accessibility
Solution Approach 2:
The patent introduces a light field intermediary that projects three-dimensional images into the driver's field of view. This intermediary allows the driver to access information and operate controls through gesture recognition in mid-air, eliminating the need to physically reach for traditional screens or touchpads, thereby improving both information accessibility and driver safety
2Adaptability or versatility
If touch-sensitive screens and touch-pads are used, then operating functionality is improved, but driver comfort and safety deteriorate due to required hand movement and bending
Solution Approach 1:
The patent replaces mechanical touch-based operating systems with a gesture recognition system that operates in three-dimensional space. Instead of requiring physical contact with touchscreens or touchpads, the system detects and interprets hand gestures in mid-air, maintaining full operating functionality while eliminating the need for hand extension and bending, thus improving driver comfort and safety
3Device complexity
If operating elements are placed on flat planes, then device simplicity is improved, but content findability and operation efficiency deteriorate
Solution Approach 1:
The patent organizes operating elements in a three-dimensional spatial arrangement rather than on flat planes. Functions are distributed across different depths and angles in the volumetric display, allowing drivers to locate and access content more efficiently through natural hand gestures, thereby improving content findability while maintaining interface simplicity through intuitive spatial organization
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
This solution enables easy recognition and reachability of operating elements, reduces the need for physical controls, enhances safety by maintaining the driver's posture, and provides a more intuitive and spacious interface for displaying multiple functions within a small space, improving user interaction and reducing the complexity of navigating menus.
Implementation Method 1
A graphical configuration of a display element to be displayed is specified. In each case, at least one light wave parameter for a respective light wave of a group of light waves is ascertained on the basis of the specified graphical configuration. An interference pattern signal which describes a totality of the ascertained light wave parameters is generated. The interference pattern signal is output to an interference output device. The light wave interference is generated on the basis of the interference pattern signal by the interference output device, by use of which a real image of the display element to be displayed is output
Data Source
AI summary
A control device of a display and operating device specifies a graphical configuration of a display element to be displayed by the display device. Based on the specified graphical configuration, at least one light wave parameter for a respective light wave of a group of light waves is ascertained. A totality of the light wave parameters describes an interference pattern which describes an at least partial superposition of the light waves for generating an image representation of the display element. An interference pattern signal which describes the totality of the ascertained light wave parameters is generated and the generated interference pattern signal is transferred to an interference output device of the display and operating device. Based on the transferred interference pattern signal, the interference output device generates a light wave interference, and an output of a real image of the display element is displayed.