Display Antenna Layout for Movement-Based Text Input
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Solution Overview
Problem
Existing display apparatuses lack the capability to detect and interpret movement-based input, such as sign language, for text display.
Innovation Solution
A display apparatus is designed with first and second antennas in the peripheral area to detect movement, a data driving circuit to output signals to pixels, and an antenna driving circuit to process electromagnetic signals, enabling the interpretation of hand movements into text.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If antennas are added to detect movement, then the capability to detect and interpret sign language is improved, but the device complexity increases
Solution Approach 1:
The antenna system is designed to serve multiple functions: it acts as both a communication antenna and a movement detection sensor. The same antenna structure detects electromagnetic wave changes caused by hand movements, eliminating the need for separate sensors and reducing overall device complexity despite adding movement detection capability.
Solution Approach 2:
The patent replaces traditional mechanical or capacitive touch sensors with an electromagnetic wave-based detection system using antennas. This substitution allows for non-contact movement detection and integrates seamlessly with existing antenna structures, achieving movement detection without significantly increasing hardware complexity.
2Adaptability or versatility
If antennas are added to detect movement, then the capability to detect and interpret sign language is improved, but the manufacturing complexity increases
Solution Approach 1:
The movement detection function is merged with the existing antenna structure rather than being implemented as a separate component. The antenna patterns are designed to inherently detect electromagnetic wave variations caused by hand movements, allowing manufacturing processes to remain similar to standard antenna fabrication without requiring additional assembly steps for separate sensors.
3Reliability
If the display area is positioned between antenna regions, then signal interference is reduced, but the overall device area increases
Solution Approach 1:
The patent arranges the display area and antenna regions in a spatial configuration where the display is positioned between antenna regions in one dimension, effectively using spatial separation to reduce electromagnetic interference. This dimensional arrangement optimizes signal quality without requiring additional device area, as the components are efficiently packed in the existing form factor.
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 the display apparatus to detect and display text corresponding to hand movements, facilitating communication for individuals who use sign language.
Implementation Method 1
A first antenna extends in the second direction from one of the first sides of the pair of first sides of the non-display area. A second antenna extends in the first direction from one of the second sides of the pair of second sides of the non-display area. Each of the first antenna and the second antenna are configured to detect movement of an object proximate to the display apparatus and communicate the detected movement to a driving circuit
Data Source
AI summary
A display apparatus capable of detecting movement of an object and displaying text corresponding to the detected movement is provided. The display apparatus includes a substrate including a display area and a peripheral area proximate to the display area. A plurality of pixels are arranged in the display area. A first antenna is arranged in the peripheral area and extends in a first direction. A second antenna is arranged in the peripheral area and extends in a second direction crossing the first direction.