18094718. MICRO LED AND DISPLAY MODULE HAVING SAME simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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MICRO LED AND DISPLAY MODULE HAVING SAME

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Jihoon Kang of Suwon-si (KR)

Jitsuo Ota of Suwon-si (KR)

Myunghee Kim of Suwon-si (KR)

Jenghun Suh of Suwon-si (KR)

MICRO LED AND DISPLAY MODULE HAVING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18094718 titled 'MICRO LED AND DISPLAY MODULE HAVING SAME

Simplified Explanation

The patent application describes a micro LED and a display module that utilize a chalcopyrite-structure semiconductor for wavelength conversion. The display module consists of multiple micro LEDs arranged in pixel units, connected to TFT electrodes on a glass substrate.

  • The micro LED includes a first semiconductor layer with a light emission surface, a second semiconductor layer, an active layer, and a wavelength conversion layer made of a chalcopyrite-structure semiconductor.
  • The display module consists of multiple micro LEDs arranged in pixel units, connected to TFT electrodes.
  • The module includes a glass substrate and a TFT layer formed on one surface of the glass substrate.
  • The resulting TFT layer does not require a color filter or a cover layer.

Potential Applications

  • High-resolution displays for smartphones, tablets, and televisions.
  • Augmented reality and virtual reality headsets.
  • Automotive displays and HUDs.
  • Wearable devices such as smartwatches and fitness trackers.

Problems Solved

  • Improved efficiency and color accuracy in micro LED displays.
  • Simplified manufacturing process by eliminating the need for a color filter or cover layer.
  • Enhanced brightness and contrast in display modules.

Benefits

  • Higher resolution and pixel density in displays.
  • Energy-efficient and longer-lasting micro LED technology.
  • Improved color reproduction and accuracy.
  • Thinner and lighter display modules.
  • Reduced manufacturing complexity and cost.


Original Abstract Submitted

A micro LED and a display module are provided. The micro LED includes a first semiconductor layer having a light emission surface and electronically connected to a first electrode; a second semiconductor layer electronically connected to a second electrode; an active layer disposed between the first and second semiconductor layers; and a wavelength conversion layer stacked on the light emission surface of the first semiconductor layer. The wavelength conversion layer is made of a semiconductor having a chalcopyrite-structure. The display module includes a plurality of such plurality of micro LEDs arranged in pixel units, which are electronically connected to a plurality of TFT electrodes. The module also includes a glass substrate and a TFT layer formed on one surface of the glass substrate, and the plurality of TFT electrodes are formed on the TFT layer. The resulting TFT layer does not require a color filter or a cover layer.

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