Pixel Array Substrate with Bent Insulating Layer for 3D Displays
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current 3D display technologies, particularly stereoscopic types, suffer from limited viewing angles due to cross-talk effects, which restrict the quality of the 3D image seen by the viewer, and existing LCD technologies struggle to maintain a high display aperture ratio while incorporating 3D functionality.
Innovation Solution
A pixel array substrate is designed with opaque structures between adjacent pixel structures and a connection electrode of the same layer as the pixel electrodes, which helps maintain a high display aperture ratio and prevents cross-talk by shielding unwanted images at wider viewing angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If opaque structures (black matrix) are disposed between adjacent pixel structures to prevent cross-talk, then cross-talk effect is reduced, but display aperture ratio decreases
Solution Approach 1:
The patent applies dimensionality change by moving the opaque structures from the planar area between pixels to the vertical dimension through bending. The insulating layer is bent to form side walls that extend vertically from the pixel electrode, creating a three-dimensional structure. This allows the opaque material to prevent cross-talk in the horizontal direction while occupying minimal planar area, thus maintaining high aperture ratio.
Solution Approach 2:
The patent uses a bent insulating layer forming a thin film shell structure. The insulating layer is bent to create side walls that wrap around the pixel electrode, forming a flexible shell-like structure. This thin film bent structure provides effective light shielding for cross-talk prevention while occupying minimal space, resolving the contradiction between cross-talk prevention and aperture ratio maintenance.
2Adaptability or versatility
If viewing angle is increased for 3D display quality, then image quality improves, but cross-talk effect increases
Solution Approach 1:
The patent applies local quality by creating different optical properties in different spatial locations. The bent insulating layer with opaque material is localized at the boundaries between adjacent pixels where cross-talk occurs, while the central pixel areas maintain their original transparent properties. This localized shielding approach prevents cross-talk at pixel boundaries without affecting the viewing angle and image quality in the central display areas.
Data Source
AI summary
A pixel array substrate and a display panel are provided. The pixel array substrate includes a substrate, scan line groups, data lines, and pixel structures. The scan line groups are disposed on the substrate. The data lines are intersected with the scan line groups. The pixel structures are connected to the scan line groups and the data lines. Each pixel structure includes an active device group, a first pixel electrode, a second pixel electrode, and a connection electrode. The first pixel electrode is located between the second pixel electrode and the nth scan line group. The connection electrode is located at a side of the first pixel electrode adjacent to one data line. The second pixel electrode is electrically connected to the active device group through the connection electrode. The connection electrode, the first pixel electrode, and the second pixel electrode are of the same layer.