Array Substrate Layout for Higher Transmittance in 2G2D Displays
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Solution Overview
Problem
High-resolution full-screen products face challenges with low light transmittance due to the need for 2G2D pixel architecture, which increases the width of light shielding areas and reduces the effective light transmittance of sub-pixel areas.
Innovation Solution
The array substrate design includes scan lines, scan signal lines, data line pairs, thin film transistors, and a light shielding strip, where data lines pass through sub-pixel areas and the light shielding strip is arranged between sub-pixel areas in the column direction, reducing the light shielding width and increasing the light effect area, thereby improving light transmittance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If 2G2D pixel architecture is used to achieve ultra-high resolution, then resolution is improved, but light transmittance deteriorates due to increased light shielding area
Solution Approach 1:
The data lines are arranged to pass through the sub-pixel areas in the column direction rather than being positioned at the edges, utilizing the vertical space within existing pixel structures. This dimensional reorganization allows data lines to coexist with pixel electrodes without increasing horizontal light shielding width, thereby maintaining light transmittance while supporting ultra-high resolution 2G2D architecture
Solution Approach 2:
The display area is divided into multiple sub-pixel areas arranged in rows and columns, with data line pairs specifically allocated to pass through corresponding sub-pixel columns. This segmentation allows independent optimization of data line routing within each sub-pixel column, enabling precise control over light shielding placement and minimizing overall light shielding area while maintaining resolution
2Ease of manufacture
If data lines are arranged at the edges of sub-pixel areas, then routing is simplified, but light effect area is reduced due to increased light shielding width
Solution Approach 1:
Data lines transition from horizontal edge placement to vertical routing through sub-pixel columns, utilizing the column direction space. This dimensional shift allows data lines to pass through the interior of sub-pixel areas rather than occupying edge space, thereby maximizing light effect area while maintaining routing feasibility through systematic column-based organization
Solution Approach 2:
Different regions of the display are assigned different functions: data line pairs pass through specific sub-pixel columns in the column direction, while pixel electrodes occupy corresponding sub-pixel areas. This local differentiation optimizes each region's purpose, allowing data lines to occupy minimal space within sub-pixel columns while maximizing light effect area in the remaining sub-pixel regions
Data Source
AI summary
The present application relates to the technical field of display. Disclosed are an array substrate and a display panel. The array substrate comprises: a substrate, and scanning lines, scanning signal lines, data line pairs, thin film transistors and pixel electrodes, which are arranged on the substrate, wherein the substrate has a display area, and the display area comprises sub-pixel areas, which are distributed in an array; two adjacent scanning lines form a scanning line group, the scanning signal lines extend in a column direction, and one scanning signal line is electrically connected to only two scanning lines in one scanning line group; each data line pair comprises two data lines, sub-pixel columns are provided in one-to-one correspondence with the data line pairs, and the two data lines in each data line pair pass through corresponding sub-pixel areas in the column direction; and in a row direction, a light-shielding strip is provided between every two adjacent sub-pixel areas. In the array substrate, data lines pass through corresponding sub-pixel areas, and light-shielding strips are provided between sub-pixel areas in a row direction so as to shield light, such that light effect areas of the sub-pixel areas are effectively enlarged, and light transmittance is improved.