Display Panel Shielding Structure for Aperture Ratio
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Solution Overview
Problem
High resolution display panels face challenges in maintaining high aperture ratio and assembly precision, leading to increased power consumption due to the difficulty in controlling alignment and deformation of substrates during assembly.
Innovation Solution
The design incorporates a metal layer and an anti-reflection structure on a substrate to reduce the area of the light-shielding matrix, enhancing the aperture ratio of the display panel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If high resolution display is implemented, then display quality is improved, but aperture ratio deteriorates
Solution Approach 1:
The patent extracts the light-shielding function from the traditional matrix structure and relocates it to the data line region only. By removing the light-shielding matrix from the pixel area and confining shielding to necessary conductive paths, the light-transmissive area is maximized while maintaining display resolution through precise positioning of remaining shielding elements.
Solution Approach 2:
The patent repositions light-shielding structures from a two-dimensional matrix covering the pixel area to a one-dimensional arrangement along the data line paths. This dimensional reduction eliminates redundant shielding in the pixel region while maintaining necessary shielding along signal paths, thereby increasing aperture ratio without compromising resolution.
2Manufacturing precision
If traditional light-shielding matrix is used, then assembly precision is maintained, but aperture ratio deteriorates
Solution Approach 1:
The patent removes the light-shielding matrix from the pixel area where it unnecessarily reduces aperture ratio. By extracting this function and relocating shielding to data line regions only, the invention maintains assembly precision through alignment marks while significantly increasing the light-transmissive area.
Solution Approach 2:
The patent introduces alignment marks as intermediary elements that mediate between the need for precise substrate assembly and the reduced presence of light-shielding structures. These marks ensure manufacturing precision is maintained even with the minimized matrix configuration.
3Use of energy by stationary object
If aperture ratio is increased, then power consumption is reduced, but assembly precision deteriorates
Solution Approach 1:
By extracting and minimizing the light-shielding matrix to data line regions only, the patent increases aperture ratio which directly reduces power consumption. Simultaneously, alignment marks are positioned to ensure that this structural simplification does not compromise assembly precision.
Solution Approach 2:
Alignment marks serve as intermediary elements that bridge the contradiction between increased aperture ratio and maintained assembly precision. These marks ensure precise substrate alignment even with the reduced matrix configuration, allowing power consumption reduction without sacrificing manufacturing quality.
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
This approach effectively increases the aperture ratio and reduces power consumption by minimizing the light-shielding matrix area, thereby improving display panel efficiency.
Implementation Method 1
The shielding structure includes a metal layer and an anti-reflection structure
Data Source
AI summary
A display panel including a first substrate, a second substrate and a display medium is provided. The first substrate includes a base substrate, a gate, an active layer, a source, a drain, and a shielding structure. The gate is disposed on the base substrate. The active layer is electrically insulated from and disposed correspondingly to the gate. The source and the drain are electrically connected to the active layer. The shielding structure is disposed on the active layer and overlaps with at least part of the active layer. The shielding structure includes a metal layer and a metal oxide or metal nitride layer. The shielding structure is electrically insulated from the source. The display medium is disposed between the first substrate and the second substrate.