Under-Display Antenna Polarization Layout Around Display Control Lines
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Solution Overview
Problem
The integration of multiple wireless communication protocols and the use of millimeter waves in electronic devices poses a challenge in securing space for antennas while maintaining portability, particularly when displays obstruct wireless communication.
Innovation Solution
The integration of an antenna radiator within the display area of an electronic device, aligned to radiate signals in a specific polarization direction that avoids interference with display control lines, allowing for efficient wireless communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a conventional antenna structure is used in a portable device, then the antenna can transmit and receive electromagnetic signals, but the antenna occupies significant space and increases device thickness
Solution Approach 1:
The patent implements a folded antenna structure where the antenna elements are nested within the device housing. The antenna is folded back on itself multiple times, allowing the entire antenna structure to be contained within the device's external dimensions without increasing the device's overall volume or thickness.
Solution Approach 2:
The patent transitions from a conventional linear antenna layout to a three-dimensional folded configuration. By utilizing vertical and diagonal dimensions within the device housing, the antenna achieves sufficient electrical length for signal transmission while maintaining a compact footprint on the device surface.
2Device complexity
If the antenna structure is simplified to reduce device complexity, then manufacturing becomes easier, but the antenna gain and signal quality deteriorate
Solution Approach 1:
The patent divides the antenna into multiple discrete elements (first antenna element, second antenna element, third antenna element, and fourth antenna element) that are arranged in a folded configuration. Each element can be independently manufactured and positioned, simplifying the manufacturing process while the collective arrangement maintains the required antenna gain through proper phase and amplitude relationships.
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 arrangement provides improved design freedom for antenna placement and maintains stable wireless communication performance despite display interference.
Implementation Method 1
portable devices such as mobile phones have been equipped with various functions... equipped with antennas for receiving and transmitting signals
Data Source
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AI summary
According to an embodiment of the disclosure, an electronic device includes a wireless communication circuit accommodated in the electronic device, a display accommodated in the electronic device, and including an active display area including a plurality of pixels, wherein at least one first active area of the active display area includes at least one first control line configured to drive some of the plurality pixels and extending along a first direction while not including at least one second control line extending along a second direction substantially perpendicular to the first direction, and an antenna radiator disposed under the display to at least partially overlap the at least one first active area and operatively connected to the wireless communication circuit. In an embodiment, the antenna radiator may be configured to radiate signals substantially through the at least one first active area in a second polarization corresponding to the second direction rather than in a first polarization corresponding to the first direction. In an embodiment, signals being radiated in the second polarization may correspond to signals received from the wireless communication circuit. Various other embodiments may be possible.