OLED Display Sealing Glue for Moisture Barrier
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Solution Overview
Problem
Organic light-emitting diode (OLED) displays are prone to damage from moisture and oxygen, leading to reduced lifespan, and existing methods to enhance water resistance and oxygen barrier performance often slow down the manufacturing process.
Innovation Solution
Filling a specialized glue between the OLED panel and the frame, as well as between the OLED panel and a transparent element, to provide high water resistance, oxygen barrier performance, and maintain fast process speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If various designs are used to increase water resistance and oxygen barrier performance of OLED, then protection against moisture and oxygen is improved, but the process speed is slowed down
Solution Approach 1:
The sealing structure is divided into multiple segments: a first sealing structure extending from the edge of the OLED panel along the width direction, and a second sealing structure extending from the edge along the length direction. These segmented sealing structures work together to provide comprehensive protection while allowing independent optimization of each segment's function and placement.
Solution Approach 2:
The sealing structures extend in both width and length directions from the OLED panel edge, creating a two-dimensional sealing network rather than a single linear seal. This dimensional approach ensures complete coverage of potential moisture and oxygen infiltration paths while maintaining structural efficiency.
2Reliability
If the OLED panel is fully sealed with glue, then water resistance and oxygen barrier performance are improved, but the manufacturing complexity and time increase
Solution Approach 1:
Instead of applying glue uniformly across the entire perimeter, the patent applies sealing glue only at specific locations where the sealing structures make contact with the substrate. The first and second sealing structures are positioned to meet at corners, and glue is applied only at these critical junction points and along the paths where these structures contact the substrate, providing effective sealing with minimal material and process complexity.
Solution Approach 2:
The first and second sealing structures are pre-formed and positioned on the substrate before the OLED panel is fully assembled. This preliminary positioning allows for precise alignment and reduces the complexity of subsequent sealing operations, as the structures are already in their final positions when the panel is attached.
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
The solution effectively protects the OLED panel from moisture and oxygen, extending its lifespan while maintaining a high process speed by ensuring the glue covers at least 50% of the side surface area between the panel and frame, and using a UV or heat curing method to ensure the glue's properties.
Implementation Method 1
using a UV or heat curing method to ensure the glue's properties
Implementation Method 2
using a UV or heat curing method to ensure the glue's properties
Data Source
AI summary
A display and a manufacturing method thereof are provided. The display includes a frame, an organic light-emitting diode (OLED) panel, a transparent element and a glue. The OLED panel is disposed in the frame. The transparent element is disposed on the OLED panel. The glue is filled between the OLED panel and the transparent element and between the OLED panel and the frame.