Samsung display co., ltd. (20240160314). DISPLAY DEVICE simplified abstract
Contents
DISPLAY DEVICE
Organization Name
Inventor(s)
Hyun Jee Jeon of YONGIN-SI (KR)
Sang Hyun Lim of YONGIN-SI (KR)
DISPLAY DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240160314 titled 'DISPLAY DEVICE
Simplified Explanation
The patent application describes a display device with a touch layer that can accurately detect touch inputs. The touch driving circuit in the device receives touch signals, calculates phase delay amounts, adjusts the phase of touch sensing signals, and recognizes touch inputs based on sensed voltages.
- Driving electrodes and sensing electrodes are used in the touch layer to detect touch inputs.
- The touch driving circuit processes touch signals, calculates phase delay amounts, and adjusts touch sensing signals to accurately recognize touch inputs.
Potential Applications
The technology described in the patent application could be used in various touch-sensitive display devices such as smartphones, tablets, interactive kiosks, and touchscreens in vehicles.
Problems Solved
This technology solves the problem of accurately detecting touch inputs on display devices, improving user interaction and overall user experience.
Benefits
The benefits of this technology include improved touch sensitivity, accurate touch input recognition, and enhanced user experience with touch-sensitive display devices.
Potential Commercial Applications
The technology could be applied in the development of consumer electronics, automotive displays, interactive signage, and other touch-sensitive devices, enhancing their performance and user interaction capabilities.
Possible Prior Art
One possible prior art related to this technology is the use of capacitive touchscreens in electronic devices, which also rely on electrodes to detect touch inputs.
What are the specific technical details of the touch driving circuit described in the patent application?
The specific technical details of the touch driving circuit include the calculation of phase delay amounts, adjustment of touch sensing signals, and recognition of touch inputs based on sensed voltages.
How does the touch driving circuit improve the accuracy of touch input recognition in the display device?
The touch driving circuit improves the accuracy of touch input recognition by detecting phase delay amounts, adjusting touch sensing signals, and analyzing sensed voltages to accurately recognize touch inputs.
Original Abstract Submitted
a display device includes a display layer, a touch layer including a plurality of driving electrodes and a plurality of sensing electrodes, and a touch driving circuit supplying touch driving signals to the plurality of driving electrodes, receiving touch signals from the plurality of sensing electrodes, and generating a touch sensing signal including first and second touch sensing signals. the touch driving circuit receives one of the touch signals, detects first sensed voltages of the one touch signal every first cycle of the first touch sensing signal to calculate a phase delay amount of the one touch signal, delays a phase of the second touch sensing signal based on the phase delay amount, calculates second sensed voltages of the one touch signal every second cycle of the second touch sensing signal different from the first cycle, and recognizes a touch input based on the second sensed voltages.
