Flexible Array Substrate Central Gate Driving Circuit Frameless Design
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Solution Overview
Problem
Existing OLED display devices with frames result in non-displayable areas, image discontinuity, and poor viewing effects, especially when large-sized screens are created by splicing smaller displays, leading to split screens and discontinuous images.
Innovation Solution
An array substrate made of flexible material with a gate driving circuit and source driving circuit positioned centrally, eliminating the need for peripheral driving circuits or frames, allowing for seamless splicing and continuous image display without frames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If peripheral driving circuits and frames are used in existing OLED display devices, then the devices can be manufactured with conventional processes, but the frames create non-displayable areas and image discontinuity that deteriorate viewing effects
Solution Approach 1:
The patent extracts and removes the peripheral frame structure and relocates the driving circuits from the periphery to the central region of the display panel. This extraction eliminates the non-displayable frame area and allows the display region to extend to the edges of the panel, thereby removing the harmful factor of frame-induced image discontinuity while maintaining manufacturability through conventional OLED processes
Solution Approach 2:
The patent changes the spatial dimension of driving circuit placement from peripheral (one-dimensional boundary placement) to central (two-dimensional region placement). By positioning driving circuits in the central non-display region and extending display pixels to the panel edges, the invention transforms the traditional frame-based structure into a frameless design, eliminating viewing effects deterioration while preserving manufacturing feasibility
2Area of stationary object
If multiple small-sized display screens are spliced together to produce large-sized displays, then large display sizes can be achieved, but splicing gaps and split screens are formed that destroy image continuity
Solution Approach 1:
The patent merges multiple display modules into a unified large-sized display by removing the frame structure that creates visual separation. The frameless design allows adjacent display modules to be positioned closely without visible gaps or split screens, creating a seamless continuous image across the entire display area while maintaining the ability to manufacture large sizes through modular assembly
Solution Approach 2:
The patent extracts and removes the frame structure from individual display modules that causes visual discontinuity when modules are spliced together. By eliminating these separating frames and using edge-to-edge display configurations, the invention removes the harmful factor of splicing gaps and split screens, enabling continuous images across large-sized displays composed of multiple modules
Data Source
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AI summary
An array substrate and a display device are provided. The array substrate (1) includes: a gate driving circuit (2), no pixel electrode layer being provided on a position of the array substrate (1) corresponding to the gate driving circuit (2), the array substrate (1) being made of a flexible material, wherein, the gate driving circuit (2) is disposed on a position of a central axis of the array substrate (1) and extends along a direction of the central axis; the gate driving circuit (2) is configured for providing a driving signal to a gate line of the array substrate (1).