Magnet-Based Input Manipulator for Slim Display Devices
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Solution Overview
Problem
Conventional display devices with multiple buttons become bulky, compromising their slim appearance and simplicity, as they attempt to manage various functions.
Innovation Solution
A slim display device incorporating a horizontally and vertically movable input device with a magnet-based manipulator and sensor system, supported by elastic members, allowing for non-contact operation and precise input command detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple buttons are provided in the display device for various settings and functions, then the functionality and versatility of the input device is improved, but the size of the display device becomes large and the simplicity of appearance is compromised
Solution Approach 1:
A single manipulator is designed to perform multiple functions by detecting different movement directions (horizontal and vertical) and movement states (rest, moving, returned). The sensor detects changes in magnetic force corresponding to these different manipulations, enabling one component to replace multiple buttons while maintaining full functionality for channel manipulation, volume control, and power management
Solution Approach 2:
The manipulator extends the traditional single-axis button press to two-dimensional movement by adding horizontal movement capability alongside vertical movement. This dimensional expansion allows a single manipulator to encode multiple input commands through direction and magnitude variations, reducing the number of physical buttons needed
2Adaptability or versatility
If multiple buttons are provided in the display device, then various functions can be manipulated, but the plurality of buttons spoils the simplicity of appearance
Solution Approach 1:
One manipulator with multi-directional movement capability replaces multiple buttons, creating a clean and simple appearance. The manipulator can detect horizontal movements for channel manipulation, vertical movements for volume control, and return-to-origin movements for power functions, all through a single aesthetic component that maintains the display device's sleek design
Solution Approach 2:
Multiple button functions are merged into a single manipulator component. The manipulator integrates channel control, volume control, and power management capabilities into one unified interface element, eliminating the visual clutter of multiple separate buttons while preserving all necessary functions
3Duration of action of stationary object
If a magnet and sensor system are used for non-contact operation, then the lifespan of internal components is extended by preventing wear and tear, but the device complexity increases
Solution Approach 1:
The traditional mechanical contact-based button system is replaced with a magnetic field-based detection system. A magnet attached to the manipulator interacts with a sensor (such as a Hall sensor or magnetic sensor) to detect manipulator position and movement without physical contact. This substitution eliminates mechanical wear between moving parts and the sensor, significantly extending component lifespan while enabling non-contact operation
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
Enables manipulation of various menus while maintaining a slim appearance, enhancing user interaction and extending the lifespan of internal components by preventing wear and tear through non-contact operation.
Implementation Method 1
a sensor configured to detect a change in a magnetic force due to a motion of the magnet as a result of a motion of the manipulator
Implementation Method 2
an elastic member configured to elastically support the manipulator, and to separate the manipulator from the sensor
Data Source
AI summary
A display device including a display panel, a chassis configured to support the display panel, and an input device disposed on the chassis, wherein the input device includes a manipulator configured to be horizontally movable and vertically movable, the manipulator comprising a magnet, and a sensor configured to detect a change in a magnetic force due to a motion of the magnet as a result of a motion of the manipulator, and to receive an input command based on the detected change in the magnetic force.