Foldable Display Substrate With Dual Regions for Full-Screen Imaging
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Solution Overview
Problem
Existing display technologies face challenges in achieving a high screen-to-body ratio and optimal image quality in flexible display apparatuses, particularly in foldable devices with asymmetrical camera configurations.
Innovation Solution
A display substrate design with dual display regions and a folding axis, incorporating symmetric pixel and light-emitting element arrangements, and data line configurations that allow for efficient signal transmission and improved light transmittance, enabling full-screen display and enhanced image acquisition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a single display region is used, then the device structure is simple, but the screen-to-body ratio is reduced and image quality is compromised
Solution Approach 1:
The display device is divided into two distinct display regions: a first display region containing first pixel circuits and first light-emitting elements, and a second display region containing second pixel circuits and second light-emitting elements. This segmentation allows both regions to contribute to the overall display area, increasing the screen-to-body ratio while maintaining functional independence of each region
Solution Approach 2:
The first display region and second display region are merged to form an integrated full-screen display system. Both regions work together to provide enhanced display functionality, with the first display region typically serving as the primary display area and the second display region providing additional display capabilities or serving specific functional purposes
2Manufacturing precision
If asymmetrical camera configurations are used, then device complexity is reduced, but image quality and processing capability are compromised
Solution Approach 1:
The patent employs asymmetrical camera configurations where the first camera and second camera are positioned at different locations and/or have different specifications. This asymmetrical arrangement allows optimization for specific imaging scenarios while maintaining overall system balance through the symmetrical display region design
Solution Approach 2:
Different camera systems are assigned to different display regions: the first camera corresponds to the first display region and the second camera corresponds to the second display region. This local quality approach allows each camera-display region pair to be optimized for its specific function, with the first camera system handling primary imaging tasks and the second camera system handling supplementary imaging tasks
3Manufacturing precision
If data lines are configured for optimal signal transmission, then image quality is improved, but light transmittance is reduced
Solution Approach 1:
The data lines are routed through the frame region rather than directly through the display regions. This dimensional change in routing strategy allows data lines to traverse areas that do not require light transmission, thereby maintaining optimal signal transmission quality while preserving light transmittance characteristics of the display regions
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
The design achieves a high screen-to-body ratio, optimizes image quality by utilizing dual cameras for enhanced image processing, and supports flexible display functionality with improved light transmittance and resolution symmetry.
Implementation Method 1
an organic light-emitting layer disposed between the anode and the cathode
Data Source
AI summary
A display substrate includes a base substrate including a display region and a frame region, multiple pixel circuits, first light-emitting elements and at least one first data line, located in a first sub-display region, multiple second light-emitting elements located in a second sub-display region. The display region includes a foldable first display region and second display region each including a first sub-display region and second sub-display region; multiple pixel circuits includes multiple first pixel circuits and second pixel circuits distributed among multiple first pixel circuits; at least one first pixel circuits is connected with at least one first light-emitting elements; at least one of multiple second pixel circuits is connected with at least one of multiple second light-emitting elements; the first data line at least includes one sub-data line connected with the first pixel circuit and at least includes another sub-data line connected with the second pixel circuit.