LED Driving Backplane Layout With Integrated Millimeter-Wave Antennas
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Solution Overview
Problem
Existing micro/mini light-emitting diode (Micro/Mini-LED) display technologies face challenges in efficiently driving light-emitting diodes (LEDs) while integrating auxiliary functional components like millimeter wave antenna arrays for advanced interaction capabilities.
Innovation Solution
A light-emitting diode driving backplane is designed with a base substrate divided into luminescent lamp regions and a first wiring region, featuring pairs of connection pads, signal traces, and auxiliary functional components like millimeter wave antenna arrays. This configuration allows for efficient electrical connection and control of LEDs, as well as integration of advanced functional components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If auxiliary functional components (e.g., millimeter wave antenna arrays) are integrated into the LED driving backplane, then advanced interaction capabilities (e.g., gesture recognition) are enabled, but device complexity increases
Solution Approach 1:
The patent merges auxiliary functional components (millimeter wave antenna arrays) with the LED driving backplane by placing them on the same base substrate. The antenna arrays are integrated into the wiring regions or between the substrate and LED array, sharing the same physical platform and reducing the need for separate mounting structures, thereby enabling advanced interactions while managing complexity through consolidation.
Solution Approach 2:
The backplane is designed with multi-functionality by incorporating both LED driving circuitry and auxiliary functional components (antenna arrays, sensors) on the same substrate. This universal platform can simultaneously perform display functions and advanced interactions (gesture recognition, wireless communication), reducing overall system complexity by eliminating the need for separate dedicated structures for each function.
2Ease of manufacture
If signal traces and auxiliary functional components are placed in the same layer, then manufacturing process is simplified, but electrical interference between signal traces and antenna arrays may increase
Solution Approach 1:
The patent applies local quality by differentiating the characteristics of signal traces in different regions. In wiring regions, signal traces are designed with specific impedance and routing patterns optimized for electrical signals. In luminescent lamp regions where antenna arrays are present, the traces are configured to minimize electromagnetic coupling, using local variations in trace geometry, spacing, or shielding to reduce interference while maintaining manufacturability of the single-layer structure.
Data Source
AI summary
A light-emitting diode driving backplane and a display apparatus are provided, and belong to the field of display technology. The light-emitting diode driving backplane includes: a base substrate divided into luminescent lamp regions and a first wiring region around the luminescent lamp regions; at least one pair of first connection pads, signal traces and an auxiliary functional component on the base substrate. The at least one pair of first connection pads and the auxiliary functional component are in the luminescent lamp regions, the signal traces are in the first wiring region, each pair of first connection pads includes a positive pad and a negative pad, and the signal traces are electrically connected to the corresponding positive negative pads for providing driving signals thereto, and the auxiliary functional component and at least some signal traces are in the same layer.