20240023377. DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME simplified abstract (Samsung Display Co., LTD.)

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DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME

Organization Name

Samsung Display Co., LTD.

Inventor(s)

PIL SOON Hong of Seoul (KR)

JUNGI Kim of Hwaseong-si (KR)

HYE SUN Kim of Goyang-si (KR)

SANGHYUN Yun of Suwon-si (KR)

GWANGMIN Cha of Hwaseong-si (KR)

DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240023377 titled 'DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME

Simplified Explanation

The patent application describes a display device that includes various layers and electrodes to create a pixel structure for emitting light. Here is a simplified explanation of the abstract:

  • The display device consists of a substrate, a pixel electrode, a sacrificial layer, a pixel defining layer, a conductive layer, a light emitting material, and a common electrode.
  • The pixel electrode is located on the substrate.
  • The sacrificial layer is positioned adjacent to the outer boundary of the pixel electrode.
  • The pixel defining layer is in direct contact with the top surface of the sacrificial layer and defines a pixel opening that exposes a part of the pixel electrode.
  • The conductive layer covers the side surface of the pixel defining layer that defines the pixel opening.
  • The light emitting material is placed on the pixel electrode within the pixel opening.
  • The common electrode includes a first common electrode covering the top surface of the light emitting material in the pixel opening, and a second common electrode covering the top surface of the pixel defining layer.

Potential applications of this technology:

  • This display device can be used in various electronic devices such as smartphones, tablets, televisions, and computer monitors.
  • It can provide high-quality and energy-efficient displays with improved brightness and color accuracy.

Problems solved by this technology:

  • The pixel defining layer and conductive layer help define and control the pixel structure, ensuring accurate and precise light emission.
  • The sacrificial layer allows for the creation of a pixel opening without damaging the pixel electrode.
  • The common electrode design improves the electrical conductivity and overall performance of the display device.

Benefits of this technology:

  • The display device offers enhanced image quality with vibrant colors and high contrast.
  • It provides energy efficiency, resulting in longer battery life for portable devices.
  • The pixel structure allows for faster response times and smoother motion display.
  • The design and arrangement of the layers and electrodes enable cost-effective manufacturing processes.


Original Abstract Submitted

a display device is disclosed that includes a substrate, a pixel electrode, a sacrificial layer, a pixel defining layer, a conductive layer, a light emitting material, and a common electrode. the pixel electrode is arranged on the substrate. the sacrificial layer is arranged on the pixel electrode so as to be adjacent to an outer boundary of the pixel electrode when viewed in a plan view. the pixel defining layer is arranged on the substrate, coming into direct contact with an entire top surface of the sacrificial layer, and defining a pixel opening exposing a part of the pixel electrode. the conductive layer covers a side surface of the pixel defining layer defining the pixel opening. the light emitting material is arranged on the pixel electrode within the pixel opening. the common electrode includes a first common electrode covering a top surface of the light emitting material in the pixel opening, and a second common electrode covering a top surface of the pixel defining layer.

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