Display Panel Separator Groove Layout for Moisture Blocking
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Solution Overview
Problem
Display panels face challenges in efficiently integrating various components within a limited display area while maintaining the integrity and functionality of the light emitting diodes and encapsulation layers, particularly in preventing moisture propagation and ensuring reliable operation.
Innovation Solution
The display panel design includes a substrate with specific areas for light emitting diodes, encapsulation layers, and separators with inorganic and metal pattern layers, where the inorganic pattern layers have tips extending into grooves to disconnect organic material layers and prevent moisture propagation, and the encapsulation layers are strategically contacted to control monomer flow, enhancing the separation and protection of components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If various components are arranged in the display area, then the functionality and versatility of the display panel are enhanced, but the structural integrity and manufacturing complexity increase
Solution Approach 1:
The display panel is divided into distinct functional areas: a display area with light emitting diodes, an opening area for component arrangement, and a third area with separators and grooves. This segmentation allows different components to be placed in designated zones without interfering with the display function, thereby enhancing versatility while maintaining structural integrity through clear spatial organization.
Solution Approach 2:
Separators and grooves are introduced as intermediary structures between the display area and the opening area. These intermediaries provide mechanical support and define boundaries, enabling component integration without compromising the structural integrity of the display panel itself.
2Adaptability or versatility
If components requiring openings are integrated into the display area, then the versatility of the display panel is improved, but the manufacturing precision and process complexity worsen
Solution Approach 1:
The separators and grooves are formed in advance during the manufacturing process, creating predefined structures for component placement. This preliminary action ensures that openings and component mounting areas are precisely positioned before final assembly, maintaining manufacturing precision while enabling versatile component integration.
Solution Approach 2:
Different regions of the display panel are assigned different structural qualities: the display area maintains uniform thickness for optimal light emission, while the opening area incorporates separators and grooves with specific geometries tailored for component accommodation. This local differentiation allows precise manufacturing in each zone according to its specific functional requirements.
3Adaptability or versatility
If multiple layers and separators are added to accommodate components, then the component arrangement capability is enhanced, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The separators and grooves are integrated into the existing multi-layer structure of the display panel rather than being added as completely separate components. This merging approach allows component accommodation features to be formed using the same manufacturing processes and materials as the display panel itself, reducing overall device complexity despite enhanced component arrangement capability.
Data Source
AI summary
A display panel includes: a substrate including: a first area; a second area; and a third area between the first and second areas; a light emitting diode at the second area; an encapsulation layer over the light emitting diode; first and second partition walls at the third area; a first separator between the second partition wall and the first area; a second separator between the first separator and the first area; and a first groove between the first separator and the second separator. Each of the first and second separators includes: a first metal pattern layer; a first inorganic pattern layer; a second metal pattern layer; a second inorganic pattern layer; a third metal pattern layer; and a third inorganic pattern layer. An end portion of each of the first, second, and third inorganic pattern layers includes a tip extending toward a center of the first groove.