Integrated ITO Panel for 3D Display and Touch Sensing
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Solution Overview
Problem
Combining 3D display technology and touch-sensing technology is complicated and costly due to the need for a two-step lamination process and multiple glass substrates, resulting in increased thickness and complexity.
Innovation Solution
A panel structure with interlaced indium tin oxide strips and a liquid crystal layer that operates in alternating grating and touch-sensing modes, allowing for a single-step integration of touch-sensing, barrier, and liquid crystal panels, reducing the need for multiple glass substrates and simplifying the manufacturing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If touch-sensing technology and 3D display technology are combined using traditional methods, then both functions are achieved, but the device thickness and cost increase due to multiple glass substrates and complex lamination processes
Solution Approach 1:
The patent merges the touch-sensing structure and barrier structure into a single integrated panel structure. The interlaced ITO strips serve dual purposes: forming the barrier for 3D display and serving as touch-sensing electrodes. This consolidation eliminates the need for separate glass substrates for each function, directly reducing device thickness while maintaining both touch-sensing and 3D display capabilities
Solution Approach 2:
The ITO strips in the panel structure are designed to perform multiple functions simultaneously. They act as both the barrier structure for 3D image display and the touch-sensing electrodes for detecting user input. This multi-functionality allows a single structural element to replace what would traditionally require multiple separate components, thereby reducing overall device thickness
2Adaptability or versatility
If touch-sensing technology and 3D display technology are combined using traditional methods, then both functions are achieved, but manufacturing complexity and cost increase due to two-step lamination process
Solution Approach 1:
The patent combines the formation of the barrier structure and touch-sensing structure into a single manufacturing step. By designing the ITO strips to serve both functions from the outset, the patent eliminates the need for sequential lamination processes, thereby simplifying manufacturing while achieving both touch-sensing and 3D display functionality
Solution Approach 2:
The panel structure employs universal ITO strip elements that simultaneously fulfill the roles of barrier structure and touch-sensing electrodes. This design allows a single manufacturing process to create both functional components, reducing the number of manufacturing steps from two to one and thereby decreasing production complexity
3Adaptability or versatility
If additional glass substrates are added to combine touch-sensing and 3D display technologies, then both functions are achieved, but device cost increases
Solution Approach 1:
The patent merges the requirements for separate glass substrates into a single panel structure. The integrated design allows the same structural elements to serve both as the 3D display barrier and as touch-sensing components, eliminating the need for additional glass substrates and thereby reducing material costs
4Adaptability or versatility
If traditional integration methods are used to combine barrier structure and liquid crystal panel, then 3D display function is achieved, but the integration process becomes complicated and time-consuming
Solution Approach 1:
The patent designs the ITO strips to inherently serve as both the barrier structure and touch-sensing electrodes from the beginning of the manufacturing process. This preliminary design decision eliminates the need for subsequent integration steps between separate barrier and touch-sensing components, thereby reducing integration time while maintaining 3D display functionality
Data Source
AI summary
A panel structure includes a glass layer, a plurality of first indium tin oxide (ITO) strips, a plurality of third indium tin oxide strips, a liquid crystal layer, a plurality of second indium tin oxide strips, and a plurality of fourth indium tin oxide strips. The panel structure operates in a grating mode during a first predetermined time. The first indium tin oxide strips receive a voltage, and the second indium tin oxide strips and the fourth indium tin oxide strips are grounded when the panel structure operates in the grating mode. The panel structure operates in a touch-sensing mode during a second predetermined time. The first indium tin oxide strips sequentially receive a driving voltage, and the fourth indium tin oxide strips detect a touch event when the panel structure operates in the touch-sensing mode. The grating mode and the touch-sensing mode of the panel structure are implemented alternately.