Bendable Display Panel Bezel Width Reduction via Rigid Substrate Peeling
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Solution Overview
Problem
Rigid display panels in terminal devices have a relatively large bezel width due to the need for a driver chip in the peripheral region, which limits the narrow bezel design favored by users.
Innovation Solution
A display panel design that includes a rigid substrate, a driving circuit layer, and organic and inorganic layer structures in specific regions, allowing the rigid substrate and driving circuit layer to be peeled off in the bendable region, enabling the display panel to be bent and reducing the bezel width.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a driver chip is arranged in the peripheral region of a rigid display panel, then the display panel can be manufactured with standard rigid structures, but the bezel width on the binding region side becomes relatively large
Solution Approach 1:
The display panel is divided into three distinct regions: a first peripheral region with rigid substrate and driving circuit layer, a bendable region where the rigid substrate and driving circuit layer are peeled off to enable bending, and a binding region that is bent to the backlight side. This segmentation allows different portions of the panel to have different structural characteristics, enabling narrow bezel design while maintaining manufacturability of the rigid portions.
Solution Approach 2:
In the bendable region, the rigid substrate and driving circuit layer are removed to create a flexible structure that can be bent. The binding region is then bent to the backlight side through this flexible bendable region, eliminating the need for a wide bezel while maintaining the rigid structure in other areas for manufacturability.
2Length of stationary object
If the rigid substrate and driving circuit layer are peeled off in the bendable region to enable bending, then the bezel width is reduced, but the rigidity of the display panel in the bendable region decreases
Solution Approach 1:
The display panel employs different structural qualities in different regions: the first peripheral region maintains the complete rigid substrate and driving circuit layer structure for high rigidity, while the bendable region has the rigid substrate and driving circuit layer peeled off to enable flexibility and bending. This local differentiation of structural quality allows the panel to achieve both narrow bezel width and appropriate rigidity where needed.
Data Source
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AI summary
Embodiments of this application provide a display panel and a manufacturing method thereof, and a terminal device, which are applied to the field of terminal technologies. The display panel includes a rigid substrate, a driving circuit layer arranged on the rigid substrate, and a first organic layer structure, a conductive layer, and a second organic layer structure that are sequentially arranged away from the rigid substrate, where the rigid substrate and the driving circuit layer are arranged bypassing a bendable region, and first organic layer structure, the conductive layer, and the second organic layer structure are distributed in at least a first peripheral region, the bendable region, and a binding region. The rigid substrate and the driving circuit layer in the bendable region are peeled off, so that the display panel in the bendable region can be bent, and the display panel in the binding region can be bent to the backlight side of the display panel, thereby reducing a width of a bezel on a side where the binding region of the display panel is located. In addition, by arranging the first organic layer structure, the conductive layer, and the second organic layer structure, rigidity of the display panel in the bendable region can be enhanced, thereby maintaining a bending profile in the bendable region.