Electrochromic Frame Region for Dynamic Color in Touch Displays
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Solution Overview
Problem
Conventional OGS touch display devices have unchangeable frame region colors, which limits user experience and does not meet the increasing demand for advanced touch technologies.
Innovation Solution
A touch substrate with a base substrate featuring a touch region and a frame region, where a touch electrode pattern is formed in the touch region and an electrochromic structure is integrated in the frame region, allowing for color changes via an electrochromic material and color changing control wiring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If an OGS process is used to manufacture a touch display, then the weight and thickness are reduced and light transmittance is improved, but the frame region color becomes unchangeable
Solution Approach 1:
The patent applies electrochromic material in the frame region that can change color dynamically. This electrochromic structure includes electrochromic material, first electrode, second electrode, and insulating layer, enabling the frame region to display different colors or states without affecting the OGS touch display's lightweight and thin characteristics.
Solution Approach 2:
The patent divides the display into touch region and frame region with different functions. The frame region is segmented to include electrochromic structures that can independently change color, while the touch region maintains the transparent OGS structure for touch sensitivity.
2Device complexity
If an OGS process is used to manufacture a touch display, then the structure is simplified and cost is reduced, but the frame region color cannot be changed
Solution Approach 1:
The patent integrates electrochromic material directly into the frame region of the OGS touch display, allowing color changes without adding complex external lighting systems or multiple display layers. The electrochromic structure is formed using conventional thin-film deposition techniques compatible with existing OGS manufacturing processes.
Solution Approach 2:
The frame region serves multiple functions: structural support, aesthetic display, and dynamic color indication. The electrochromic structure enables the frame to provide visual feedback about device state (touch activation, power status, etc.) without requiring separate indicator components.
3Adaptability or versatility
If electrochromic structure is added to the frame region, then color changeability is improved, but device complexity increases
Solution Approach 1:
The patent combines the electrochromic structure formation with the existing touch electrode pattern formation process. The first electrode is connected to the touch electrode pattern, and the insulating layer is integrated into the overall display structure, reducing the need for separate manufacturing steps.
Solution Approach 2:
The electrochromic structures are localized only in the frame region where color display is needed, while the touch region maintains its transparent, touch-sensitive properties. This localized approach minimizes the impact on overall device complexity while achieving the desired color changeability.
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
Enables dynamic color changes in the frame region of the touch display device, enhancing user experience by providing a more interactive and visually appealing interface.
Implementation Method 1
an electrochromic structure disposed in the frame region of the base substrate
Data Source
AI summary
A touch substrate and manufacturing method thereof, and touch display device are provided. The touch substrate, including: a base substrate including a touch region and a frame region; a touch electrode pattern disposed in the touch region of the base substrate; and an electrochromic structure disposed in the frame region of the base substrate. The touch substrate achieves color changing in the frame region, thereby solving the problem of single color in the frame region of the display device.