UPDATED. 2021-10-22 18:43 (금)
Samsung Display completes QNED structure development
Samsung Display completes QNED structure development
  • Gijong Lee
  • 승인 2021.06.23 05:43
  • 댓글 0
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According to UBI Research
A drawing on a patent filed by Samsung Display related to LED alignment. Image: UBI Research
A drawing on a patent filed by Samsung Display related to LED alignment. Image: UBI Research

Samsung Display has completed the development of the structure of its quantum dot nanorod LED (QNED), market research firm UBI Research claimed.

UBI Research said it analyzed 160 patents filed by Samsung Display related to QNED to draw its conclusion.

The structure of how QNED will be composed has been completed, the research firm said.

The remaining task for Samsung Display is to find a way to maintain the number of aligned nanorod LEDs within each pixels, UBI Research said.

Out of 160 patents, 49 were related to aligning the LED devices (LED alignment). There was also 20 patents related to light emission efficiency.

The number of Nanorod LEDs in the pixels, which determines the yield rate and resolution characteristics of the QNED panel, is determined by the number of LED within the ink, how many are shot in a pixel and how the LED that are shot in aligns.

If each pixel have different number of nanorod LEDs, the voltage applied to each pixel differs between each other, causing a defect.

Samsung Display has already developed a method to maintain the same number of nanorod LED per pixel, UBI Research said. It also developed an algorithm to maintain a uniform luminous in the panel even when the number of nanorod LEDs in each pixel differs from one another.

Image: UBI Research
Image: UBI Research

 


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