17729769. MICRO LIGHT EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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MICRO LIGHT EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Junsik Hwang of Hwaseong-si (KR)

Kyungwook Hwang of Seoul (KR)

Seogwoo Hong of Yongin-si (KR)

MICRO LIGHT EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 17729769 titled 'MICRO LIGHT EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME

Simplified Explanation

The abstract describes a micro light emitting device that consists of several layers and electrodes. The device includes a first semiconductor layer, a light emitting layer, a second semiconductor layer, an insulating layer, and two electrodes. Additionally, there is an aluminum nitride layer on the lower surface of the first semiconductor layer.

  • The device is a micro light emitting device with a layered structure.
  • The first semiconductor layer is doped with a specific conductivity type.
  • The light emitting layer is positioned on top of the first semiconductor layer.
  • The second semiconductor layer is placed on top of the light emitting layer and has an opposite conductivity type to the first layer.
  • An insulating layer is present on top of the second semiconductor layer.
  • There are two electrodes, one connected to the first semiconductor layer and the other connected to the second semiconductor layer.
  • The lower surface of the first semiconductor layer has an aluminum nitride layer with a flat surface.

Potential Applications

  • Micro light emitting devices can be used in various display technologies, such as OLED displays.
  • These devices can also be utilized in optoelectronic applications, such as sensors and photodetectors.
  • The compact size and efficient light emission make them suitable for wearable devices and smart gadgets.

Problems Solved

  • The layered structure of the device allows for efficient light emission and control.
  • The use of different conductivity types in the semiconductor layers enables precise electrical control.
  • The presence of the aluminum nitride layer on the lower surface helps in achieving a flat surface, which is beneficial for device performance.

Benefits

  • The micro light emitting device provides high brightness and energy efficiency.
  • The layered structure allows for precise control of light emission and electrical properties.
  • The compact size and flat surface enhance the device's performance and integration into various applications.


Original Abstract Submitted

A micro light emitting device includes a first semiconductor layer doped with a first conductivity type, a light emitting layer arranged on an upper surface of the first semiconductor layer, a second semiconductor layer arranged on an upper surface of the light emitting layer and doped with a second conductivity type electrically opposite to the first conductivity type, an insulating layer arranged on an upper surface of the second semiconductor layer, a first electrode arranged on an upper surface of the insulating layer and electrically connected to the first semiconductor layer, a second electrode arranged on the upper surface of the insulating layer and electrically connected to the second semiconductor layer, and an aluminum nitride layer arranged on a lower surface of the first semiconductor layer and having a flat surface.