Curved Display Side Pressure Sensor Layout for Buttonless Input
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Solution Overview
Problem
Existing display devices lack an efficient mechanism to integrate pressure sensors as substitutes for physical buttons, limiting the ease of input methods.
Innovation Solution
A display device design incorporating a planar portion, a curved portion, and side surfaces with pressure sensors disposed to overlap these surfaces, along with a window and a cover panel, allowing for easy integration of pressure sensors for input functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If pressure sensors are integrated into display devices to replace physical buttons, then input functionality is enhanced, but device structural complexity increases
Solution Approach 1:
The patent merges the pressure sensor with the display panel structure by positioning the pressure sensor at the rear surface of the display panel, integrating two previously separate components (display panel and pressure sensor) into a unified structure. This reduces overall device complexity while maintaining enhanced input functionality.
Solution Approach 2:
The pressure sensor is nested within the display panel structure, specifically positioned at the rear surface of the display panel. This nesting approach allows the pressure sensor to be incorporated without significantly increasing the external dimensions or overall complexity of the device.
2Ease of manufacture
If pressure sensors are positioned at the rear surface of the display panel, then integration is simplified, but manufacturing precision requirements increase
Solution Approach 1:
The pressure sensor is pre-positioned at the rear surface of the display panel during the display panel manufacturing process. This preliminary positioning action ensures accurate alignment before final assembly, reducing the need for high-precision adjustments during later manufacturing stages.
Solution Approach 2:
The rear surface of the display panel serves as an intermediary positioning platform for the pressure sensor. This intermediary surface provides a stable and accessible reference for accurate pressure sensor placement, simplifying the manufacturing process while maintaining positioning accuracy.
3Shape
If the display panel includes curved surfaces, then aesthetic appearance is improved, but pressure sensor integration becomes more difficult
Solution Approach 1:
The pressure sensor is positioned at a specific location on the rear surface of the display panel where the surface geometry is most favorable for sensor integration. This local optimization allows the curved aesthetic appearance to be maintained while providing an accessible area for pressure sensor mounting.
Solution Approach 2:
The patent addresses the curvature challenge by moving to another dimension - positioning the pressure sensor on the rear surface rather than the front curved surface. This dimensional shift allows the sensor to be integrated while the front surface maintains its curved aesthetic appearance.
Data Source
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AI summary
A display device comprises: a display panel; a window; and a first pressure sensor. The display panel comprises: a planar portion; a first curved portion connected to one side of the planar portion; and a first side portion connected to one side of the first curved portion. The window is disposed on the display panel. The first pressure sensor is disposed so as to overlap with the first side portion. Here, the first side portion is disposed in a plane different from each of the planar portion and the first curved portion.