Light-Emitting Element Array Layout for Synchronized Switching
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Solution Overview
Problem
Existing light-emitting element arrays face challenges in synchronizing the ON/OFF operation of multiple light-emitting elements effectively, leading to inefficiencies in applications such as 3D sensing.
Innovation Solution
A light-emitting component with a substrate and gate electrode configuration that allows for synchronized ON/OFF control of plural light-emitting elements, where the distance between each element and the gate electrode is minimized, enhancing synchronization and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple light-emitting elements are arranged in an array with individual electrode connections, then each element can be controlled independently, but the synchronization of ON/OFF operation becomes difficult to achieve
Solution Approach 1:
The patent merges the control function by providing a single gate electrode that is electrically connected to multiple light-emitting elements. This common gate electrode structure allows simultaneous control of multiple elements, ensuring they turn ON and OFF together while maintaining independent controllability through the gate signal.
Solution Approach 2:
The gate electrode serves as a universal control element for multiple light-emitting elements. By designing the gate electrode to be electrically connected to all elements in the array, it performs the multi-functional role of controlling each element's ON/OFF state simultaneously, achieving both independent control capability and synchronized operation.
2Ease of manufacture
If the gate electrode is positioned far from light-emitting elements, then manufacturing is easier, but synchronization control effectiveness decreases
Solution Approach 1:
The patent applies local quality by positioning the gate electrode in close proximity to each light-emitting element it controls. This localized positioning ensures strong electrical connection and effective control signal transmission, improving synchronization precision without requiring complex manufacturing processes.
Solution Approach 2:
The gate electrode structure exhibits asymmetric positioning relative to the light-emitting elements. Rather than being equidistant from all elements, the gate electrode is strategically positioned closer to each element it controls, optimizing control effectiveness while maintaining manufacturability through asymmetric but simplified routing.
Data Source
AI summary
A light-emitting component includes a substrate, plural light-emitting elements that are disposed on the substrate and emit light in a direction intersecting with a surface of the substrate, and a gate electrode that is electrically connected to each of the plural light-emitting elements and that performs control so that the plural light-emitting elements are switched ON/OFF together. A distance between each of the plural light-emitting elements and the gate electrode is smaller than a largest distance between two light-emitting elements among the plural light-emitting elements.