18095437. INPUT SENSING CIRCUIT AND DISPLAY MODULE HAVING THE SAME simplified abstract (Samsung Display Co., Ltd.)

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INPUT SENSING CIRCUIT AND DISPLAY MODULE HAVING THE SAME

Organization Name

Samsung Display Co., Ltd.

Inventor(s)

Sungjae Moon of Seongnam-si (KR)

INPUT SENSING CIRCUIT AND DISPLAY MODULE HAVING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18095437 titled 'INPUT SENSING CIRCUIT AND DISPLAY MODULE HAVING THE SAME

Simplified Explanation

The abstract describes an input sensing circuit that uses sensors to detect touch events and recognize fingerprints. One of the sensors consists of two transistors and one capacitor. When a person's finger touches one electrode of the capacitor, a capacitance is formed, and the circuit senses this capacitance to detect the touch event and recognize the fingerprint.

  • The input sensing circuit includes multiple sensors for touch event detection and fingerprint recognition.
  • One of the sensors is made up of two transistors and one capacitor.
  • When a person's finger touches one electrode of the capacitor, a capacitance is formed.
  • The circuit senses this capacitance to detect touch events and recognize fingerprints.

Potential Applications

  • Mobile devices (smartphones, tablets) for touch input and fingerprint recognition.
  • Biometric security systems for access control and authentication.
  • Touch-sensitive surfaces in automotive applications (infotainment systems, steering wheels).

Problems Solved

  • Accurate touch event detection and fingerprint recognition.
  • Integration of touch and fingerprint sensing in a single circuit.
  • Simplification of the sensing circuit design.

Benefits

  • Enhanced user experience with precise touch input and reliable fingerprint recognition.
  • Cost-effective solution by using a single circuit for both touch and fingerprint sensing.
  • Compact design for easy integration into various devices and systems.


Original Abstract Submitted

An input sensing circuit includes a plurality of sensors to sense a touch event and to recognize a fingerprint. Among the sensors, at least one sensor includes two transistors and one capacitor. One electrode of electrodes of the capacitor makes contact with a finger of a person to form a capacitance, and the input sensing circuit senses the capacitance to sense the touch event and to recognize the fingerprint.

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