Display Input Sensor Body Composition Calculation
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Solution Overview
Problem
Current multimedia electronic devices lack the capability to conveniently and accurately sense and display biometric information, such as body composition, which is essential with the increasing use of personal electronic devices.
Innovation Solution
A display device with a display panel, input sensors having transmission and reception electrodes, and a readout circuit that outputs transmission signals to a body composition sensing region and receives corresponding reception signals, allowing for the calculation of body composition, including moisture levels, using an analog-to-digital converter and body composition calculator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a display device is equipped with biometric sensing capability to enable convenient user interaction, then user convenience and interaction quality improve, but device complexity increases
Solution Approach 1:
The display device integrates multiple functions including display, touch input, and body composition sensing within a single device structure. The input sensor serves dual purposes as both a touch detection element and a body composition sensing element, allowing the device to perform multiple functions without proportionally increasing complexity
Solution Approach 2:
The patent combines the display panel, input sensor, and body composition sensing components into an integrated structure. The transmission electrodes and reception electrodes are merged with the display structure, and the readout circuit handles both touch and biometric sensing signals, reducing overall system complexity despite added functionality
2Measurement precision
If the readout circuit sequentially activates transmission electrodes to sense body composition, then measurement precision improves, but loss of time increases
Solution Approach 1:
The readout circuit sequentially and periodically activates transmission electrodes in a systematic pattern, cycling through different electrode combinations to gather comprehensive body composition data. This periodic sequential activation ensures thorough measurement while maintaining efficient timing
Solution Approach 2:
The system performs preliminary calibration and baseline measurements to establish reference values for body composition analysis. By pre-establishing these references, the actual measurement process is accelerated while maintaining precision, as subsequent readings can be quickly compared against the pre-set standards
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 intuitive and accurate sensing and display of biometric information, enhancing user interaction and convenience by measuring body composition parameters like moisture levels through capacitance variations.
Implementation Method 1
measuring body composition parameters like moisture levels through capacitance variations
Data Source
AI summary
A display device includes a display panel that displays an image, an input sensor arranged on the display panel and including transmission electrodes and reception electrodes electrically insulated from the transmission electrodes, and a readout circuit connected to the input sensor, wherein the readout circuit sequentially outputs a transmission signal to a portion of the transmission electrodes corresponding to a body composition sensing region and receives a reception signal from a portion of the reception electrodes corresponding to the body composition sensing region.