18153069. DISPLAY DEVICE AND TOUCH SENSING SYSTEM INCLUDING THE SAME simplified abstract (Samsung Display Co., Ltd.)

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DISPLAY DEVICE AND TOUCH SENSING SYSTEM INCLUDING THE SAME

Organization Name

Samsung Display Co., Ltd.

Inventor(s)

Sang Hyun Lim of Yongin-si (KR)

DISPLAY DEVICE AND TOUCH SENSING SYSTEM INCLUDING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18153069 titled 'DISPLAY DEVICE AND TOUCH SENSING SYSTEM INCLUDING THE SAME

Simplified Explanation

The abstract describes a display device that includes a display panel with pixels, a touch sensing unit, a display driving circuit, and a touch sensing circuit. The touch sensing unit detects touches from a user's body part and an electronic pen, while the display driving circuit drives the pixels. The touch sensing circuit generates touch coordinate data by detecting touch positions. During a touch electrode driving period, the touch sensing circuit allows the electronic pen to be charged by supplying touch driving signals to touch electrodes.

  • The display device includes a display panel with pixels arranged in an image display area.
  • A touch sensing unit is placed on the front surface of the display panel to detect touches from a user's body part and an electronic pen.
  • A display driving circuit is responsible for driving the pixels in the image display area.
  • A touch sensing circuit generates touch coordinate data by detecting touch positions of the user's body part and the electronic pen.
  • The touch sensing circuit allows the electronic pen to be charged during a touch electrode driving period by supplying touch driving signals to touch electrodes.

Potential Applications

  • Touchscreen devices such as smartphones, tablets, and laptops can benefit from this technology.
  • Interactive displays in public spaces like museums, exhibitions, and retail stores can utilize this innovation.
  • Educational tools and digital whiteboards can incorporate this technology for enhanced user interaction.

Problems Solved

  • The touch sensing unit can accurately detect touches from both a user's body part and an electronic pen, providing a versatile input method.
  • The touch sensing circuit allows the electronic pen to be charged during touch operation, ensuring uninterrupted usage.
  • The display driving circuit ensures smooth and high-quality image display on the device.

Benefits

  • Users can interact with the display device using both their body and an electronic pen, offering more flexibility and precision.
  • The ability to charge the electronic pen during touch operation eliminates the need for separate charging and enhances user convenience.
  • The display driving circuit ensures a visually pleasing and immersive experience with high-quality image display.


Original Abstract Submitted

A display device includes a display panel including a plurality of pixels arranged in an image display area, a touch sensing unit disposed on a front surface of the display panel that senses a touch of a user's body part and a touch of an electronic pen, a display driving circuit that drives the pixels of the image display area, and a touch sensing circuit that generates touch coordinate data by detecting touch positions of the user's body part and the electronic pen. The touch sensing circuit senses the touch of the user's body part and allows the electronic pen to be charged during a touch electrode driving period by supplying touch driving signals generated by mixing driving signals of different frequency bands to touch electrodes during the touch electrode driving period.

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