Partitioner Structure for Display Panel Sealant Encapsulation
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Solution Overview
Problem
Conventional liquid crystal display panels face issues with sealant reacting with excess liquid crystal, causing contamination and deformation due to corrosion from temperature and humidity, leading to uneven cell thickness and reduced display quality.
Innovation Solution
The introduction of first and second partitioners between the color-filter and array substrates to securely encapsulate the sealant, preventing contact with liquid crystal and stabilizing the cell thickness, while also supporting the substrates to prevent light leakage and structural weakness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sealant is used to seal the cell, then sealing effect is improved, but sealant reacts with liquid crystal causing contamination and deformation
Solution Approach 1:
A partitioner structure is introduced as an intermediary component between the sealant and the liquid crystal. The partitioner includes a partitioning frame with a holding space that contains the sealant, preventing direct contact between the sealant and liquid crystal while maintaining the sealing function. This mediator structure resolves the contradiction by allowing the sealant to perform its sealing role without causing contamination.
2Object-generated harmful factors
If distance between pixel region and sealant is increased to prevent contamination, then liquid crystal contamination is reduced, but effective display area is reduced
Solution Approach 1:
The partitioner acts as a mediator that allows the sealant to be positioned closer to the pixel region without causing contamination. By containing the sealant within the holding space of the partitioning frame, the structure enables reduced spacing while maintaining protection against liquid crystal contamination, thus preserving effective display area.
Solution Approach 2:
The partitioner structure functions as a protective barrier (similar to a shell or film) that separates the sealant from the liquid crystal. This barrier allows closer positioning of the sealant to the display region while preventing harmful interactions, effectively resolving the contradiction between proximity and contamination prevention.
3Manufacturing precision
If spacers and supporters are added to ensure cell thickness, then cell thickness uniformity is improved, but electrostatic attraction causes deformation and uneven thickness
Solution Approach 1:
The partitioner structure merges multiple functions into a single component: it provides thickness support (replacing spacers and supporters), contains the sealant (preventing contamination), and maintains structural integrity (preventing deformation). By combining these functions, the partitioner eliminates the need for separate thickness-maintaining elements that would be subject to electrostatic deformation.
Solution Approach 2:
The partitioning frame is formed by combining a first substrate layer and a second substrate layer, creating a composite structure that provides both thickness support and resistance to electrostatic deformation. This composite construction maintains cell thickness uniformity while preventing the substrate deformation caused by strong electrostatic attraction during vacuum cell-assembling.
Data Source
AI summary
According to an embodiment of the present invention, a display panel is provided, which comprises a first substrate (1) and a second substrate (2), wherein the display panel further comprises two first partitioners (6) provided between the first substrate (1) and the second substrate (2) for holding sealant (3). According to another embodiment of the present invention, a display device is also provided, which comprises the above display panel.