Driving Circuit Repair via Overlapping Conductive Structure
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Solution Overview
Problem
The complexity and time required for repairing damaged or non-specification conforming driving circuits in electronic devices, particularly those controlling light-emitting diodes, are significant challenges due to the need for disconnecting and reconnecting circuits.
Innovation Solution
The electronic device incorporates a substrate with a light-emitting diode, a conductive structure, a preset driving circuit, and a spare driving circuit, where the conductive structure overlaps the output wires of both circuits, allowing for easy switching between them, enabling efficient repair by disconnecting the preset circuit and reconnecting the spare circuit through the conductive structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the preset driving circuit is damaged and needs repair, then the light-emitting diode cannot function properly, but the repair process is complex and time-consuming
Solution Approach 1:
The patent applies preliminary action by pre-configuring a spare driving circuit that is already positioned and connected to the conductive structure before any damage occurs. When the preset driving circuit fails, the spare circuit is ready for immediate activation through a simple switching operation, eliminating the need for complex repair procedures or lengthy reconfiguration processes.
Solution Approach 2:
The conductive structure serves as an intermediary element that enables switching between the preset and spare driving circuits. This mediator component simplifies the repair process by providing a straightforward electrical connection path that allows the light-emitting diode to be rapidly reconnected to the functional spare circuit without complex disassembly or reconfiguration.
2Ease of repair
If a spare driving circuit is added to enable quick repair, then the ease of repair improves, but the device complexity increases
Solution Approach 1:
The patent merges the preset and spare driving circuits into a unified structure where both circuits share common connection points with the light-emitting diode through the conductive structure. This integration reduces the overall system complexity by eliminating the need for separate connection pathways and simplifying the switching mechanism to a single operational step.
Solution Approach 2:
The conductive structure performs multiple functions: it serves as the electrical connection for the preset driving circuit during normal operation and automatically becomes the connection path for the spare driving circuit when switching is needed. This multi-functionality reduces the need for additional specialized components, thereby minimizing device complexity while maintaining ease of repair.
Data Source
AI summary
An electronic device is provided. The electronic device includes a substrate and an electronic unit disposed on the substrate. The electronic unit includes a light-emitting diode, a conductive structure, a first driving circuit, and a second driving circuit. The conductive structure is disposed between the light-emitting diode and the substrate. The first driving circuit includes a first output wire. The second driving circuit includes a second output wire. The first driving circuit is electrically connected to the light-emitting diode by the conductive structure. The second driving circuit is electrically insulated from the light-emitting diode. In addition, the conductive structure at least partially overlaps the first output wire and the second output wire in a normal direction of the substrate.