Display Panel Linking Pattern for Signal Stability
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Solution Overview
Problem
Display panels with varying shapes and sizes face challenges in maintaining uniform image quality and reliability due to differences in conductive line lengths and shapes, which affect signal transmission and pixel performance.
Innovation Solution
A display panel design featuring a base substrate with an active area and peripheral area, including a pixel, first and second lines connected by a linking pattern that penetrates an inorganic layer, and additional conductive patterns, which improves signal transmission and stability by forming a single body shape with the inorganic layer and load matching patterns to manage electric fields.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conductive lines are extended to accommodate various shapes and sizes of active areas, then adaptability is improved, but reliability deteriorates due to increased susceptibility to static electricity damage
Solution Approach 1:
An inorganic layer is introduced as an intermediary protective barrier between the conductive lines and the environment. This layer acts as a mediator that blocks static electricity from reaching the conductive lines, thereby protecting the extended conductive structures while maintaining adaptability to various display panel shapes and sizes.
Solution Approach 2:
The patent employs composite material structures by combining organic and inorganic layers. The inorganic layer provides static electricity resistance, while the organic layer provides insulation. This composite approach enables the conductive lines to be extended for various shapes while maintaining reliability through multi-layer protection against static electricity damage.
2Adaptability or versatility
If conductive lines are extended and varied in shape, then adaptability is improved, but manufacturing precision deteriorates due to difficulty in maintaining uniform image quality
Solution Approach 1:
The patent uses load matching patterns that replicate the shape and electrical characteristics of the conductive lines. By creating copied structures (load matching patterns) that mirror the extended conductive lines, the system maintains uniform image quality across various shapes and sizes without compromising manufacturing precision.
Solution Approach 2:
The patent adjusts electrical parameters by introducing load matching patterns with specific resistance values that match the conductive lines. This parameter matching compensates for variations in line length and shape, enabling uniform image quality to be maintained across different display panel configurations while preserving adaptability.
Data Source
AI summary
A display panel includes a base substrate in which an active area and a peripheral area adjacent to the active area are defined, a pixel disposed in the active area, a first line disposed in the active area and connected to the pixel, a second line disposed in the peripheral area and spaced apart from the first line in a plan view, a linking pattern electrically connecting the first line to the second line and disposed on a layer different from a layer on which each of the first and second lines is disposed, and an inorganic layer disposed between the first line and the linking pattern and between the second line and the linking pattern. The linking pattern is connected to the first line and the second line through contact holes formed in the inorganic layer.