Display Panel Encapsulation Layout for Moisture Blocking Around Openings
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Solution Overview
Problem
Existing display panels face challenges in integrating various components within a display area while preventing external impurities such as moisture from damaging the display area around a first area.
Innovation Solution
A display panel design that includes a first area for components, surrounded by a display area, with an intermediate area and an outer area, featuring a substrate with multiple layers, an input-sensing layer, and an optical functional layer, and utilizing inorganic and organic encapsulation layers to protect against moisture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by stationary object
If a liquid crystal display panel is used, then power consumption is reduced compared to CRT, but viewing angle is limited and color shifts occur
Solution Approach 1:
The liquid crystal display is divided into multiple sub-pixels (red, green, blue) arranged in a specific pattern, allowing independent control of color components to achieve broader viewing angles while maintaining low power consumption
Solution Approach 2:
Different regions of the liquid crystal display employ different liquid crystal materials or alignment structures optimized for specific viewing zones, ensuring consistent color reproduction and wide viewing angles across the entire display surface
2Manufacturing precision
If resolution is increased, then image quality is improved, but pixel density increases causing color accuracy degradation
Solution Approach 1:
The display structure transitions from planar to three-dimensional arrangements of sub-pixels and color filters, creating additional spatial dimensions for light modulation that maintain color accuracy at high resolutions
Solution Approach 2:
Multiple layers including liquid crystal compounds, color filters, and polarizing films are combined in a composite structure that preserves color fidelity while achieving high resolution through precise layer integration
3Speed
If response time is reduced for fast switching, then dynamic image quality is improved, but liquid crystal molecule alignment stability deteriorates
Solution Approach 1:
The liquid crystal display employs dynamic voltage control and adaptive switching waveforms that adjust in real-time to maintain stable molecule alignment during fast transitions, achieving rapid response without sacrificing alignment stability
Solution Approach 2:
Temperature compensation circuits and voltage adjustment mechanisms dynamically modify operating parameters to maintain optimal liquid crystal response characteristics across varying conditions, ensuring both fast switching and stable alignment
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 design effectively prevents external impurities from reaching the display area, enhancing the durability and functionality of the display panel by allowing integration of additional components.
Implementation Method 1
the liquid crystal compound has a response time of 1 microsecond or less when a driving voltage is applied thereto
Data Source
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AI summary
A display panel includes: a substrate including a first area, a second area at least partially surrounding the first area, and an intermediate area between the first area and the second area; an insulating layer on the substrate; a plurality of display elements in the second area, and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a groove in the intermediate area; a thin-film encapsulation layer covering the plurality of display elements, and including an inorganic encapsulation layer and an organic encapsulation layer; and an inorganic layer over the thin-film encapsulation layer, wherein at least one sub-layer included in the intermediate layer is disconnected around the groove, and the inorganic layer directly contacts the insulating layer beyond an edge of the at least one sub-layer located in the intermediate area and an edge of the inorganic encapsulation layer.