18289002. DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE simplified abstract (SEMICONDUCTOR ENERGY LABORATORY CO., LTD.)

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DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE

Organization Name

SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor(s)

Shunpei Yamazaki of Setagaya, Tokyo (JP)

Takayuki Ikeda of Atsugi, Kanagawa (JP)

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

This abstract first appeared for US patent application 18289002 titled 'DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE

Simplified Explanation:

This patent application describes a display device with high resolution, consisting of four layers of Electroluminescent (EL) material emitting different colors of light. The layers are arranged in a specific order using a photolithography method.

  • The display device has four EL layers emitting different colors of light.
  • The first and second EL layers emit the same color of light, while the third and fourth EL layers emit a different color.
  • The layers are formed using a photolithography method, ensuring precise placement and division of the EL films.

Key Features and Innovation:

  • High-resolution display device with four EL layers emitting different colors of light.
  • Precise formation of the layers using photolithography method.
  • Ability to emit different colors of light from adjacent layers.

Potential Applications:

The technology can be used in:

  • High-resolution displays for smartphones, tablets, and TVs.
  • Medical imaging devices.
  • Automotive displays.

Problems Solved:

  • Achieving high resolution in display devices.
  • Ensuring accurate color representation in displays.
  • Enhancing the visual quality of images and videos.

Benefits:

  • Improved image quality and color accuracy.
  • Enhanced viewing experience for users.
  • Potential for innovative display designs.

Commercial Applications:

Title: High-Resolution Display Technology for Enhanced Visual Experience

This technology can be commercialized in:

  • Consumer electronics industry for high-end displays.
  • Medical imaging equipment manufacturers.
  • Automotive display systems.

Prior Art:

Further research can be conducted in the field of EL display technology to explore similar innovations and advancements.

Frequently Updated Research:

Stay updated on advancements in EL display technology and photolithography methods for display manufacturing.

Questions about Display Device Technology:

1. How does the use of photolithography method enhance the formation of EL layers in the display device? 2. What are the potential challenges in integrating four layers of EL material in a display device?


Original Abstract Submitted

A display device with a substantially high resolution is provided. The display device includes first to fourth EL layers arranged in this order to be adjacent to each other in one direction. The first and second EL layers emit light of the same color, and the third and fourth EL layers emit light of the same color. The third and fourth EL layers emit light of a color different from the color of the light emitted from the first and second EL layers. A first EL film and a second EL film are formed and divided by a photolithography method, whereby the first to fourth EL layers are formed. The first and second EL layers are formed from the first EL film, and the third and fourth EL layers are formed from the second EL film.

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