Integrated Solar Cell OLED Array Substrate
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The conventional manufacture method for OLED display devices powered by solar cells is complicated and costly due to the separate arrangement of solar cell and OLED structures, requiring multiple patterning processes.
Innovation Solution
An array substrate and display panel design that integrates the solar cell structure between the substrate and common electrode, with a power output line in the same layer as the common electrode, allowing for a combined manufacturing process that simplifies the production and reduces costs by enabling electric energy generated by the solar cell to be transmitted to an external circuit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the solar cell structure and OLED structure are arranged separately, then the device can function properly, but the manufacturing process becomes complicated and costly
Solution Approach 1:
The patent merges the solar cell structure and OLED structure into a single integrated array substrate. The solar cell layers (including photoelectric conversion layers and electrodes) are formed within the same substrate structure as the OLED components (TFTs, common electrode, pixel electrode), eliminating the need for separate manufacturing processes while maintaining the functional integrity of both systems.
2Reliability
If the solar cell structure and OLED structure are arranged separately, then the device can function properly, but the production cost increases
Solution Approach 1:
The patent combines the solar cell and OLED structures into a single integrated array substrate, allowing both systems to be manufactured simultaneously in the same production line. This merging eliminates the need for separate manufacturing processes, reduces production steps, and lowers overall production costs while maintaining the functional performance of both the solar cell and OLED components.
3Reliability
If the power output line is in a separate layer from the common electrode, then electrical connection is achieved, but the manufacturing process requires additional patterning steps
Solution Approach 1:
The patent positions the power output line in the same layer as the common electrode, allowing both structures to be formed simultaneously in a single patterning process. This integration eliminates the need for additional separate patterning steps that would be required if the power output line were in a different layer, while still achieving the necessary electrical connections through the integrated structure.
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
This integration simplifies the manufacturing process, reduces production costs, and allows the OLED display device to operate without an external power supply by utilizing solar energy, thereby addressing the complexity and cost issues of the conventional method.
Implementation Method 1
solar cell has been world-widely approved in terms of its application and development for advantages that it is not restricted to resource condition, no environment pollution, capable of emitting light even with a weak light source
Implementation Method 2
the light-emitting structure will emit light when there is electrical current passing through the light-emitting material layer
Data Source
AI summary
An array substrate, a manufacture method of the array substrate, and a display panel are configured to achieve a combination of solar energy technology and the OLED display technology. The array substrate includes substrate, scanning lines, data lines, a thin film transistor (TFT), a common electrode and a pixel electrode. The array substrate further includes a light-emitting structure configured to provide a backlight source, a solar cell structure and a power output line. The light-emitting structure is provided between the common electrode and the pixel electrode. The solar cell structure is provided between the substrate and the common electrode. The power output line is provided in a same layer as the common electrode and is electrically connected to the solar cell structure so as to transmit electric energy generated by the solar cell structure to an external circuit.