Table 1 The EQE corresponding to different luminance of the reported blue perovskite LEDs (EQE peak ≥ 12%, CIEy < 0.1)

From: Ultra-Low Efficiency Roll-Off High Color Purity Blue Perovskite Quantum Dot LEDs with Exceeding 20% Efficiency

References

Luminance

Corresponding EQE

≤500 cd m−2

~5000 cd m−2

~10,000 cd m−2

EQE peak

Lmax (cd m−2)

CIEy

Von (V)

Year

Nat. Nanotechnol.17

3.4%

/

/

15.3%

~160

0.051

3.0

2025

Nat. Photonics7

3.2%

/

/

13.2%

~720

0.090

~3.6

2024

Nat. Commun.9

1.8%

/

/

15.0%

~100

0.069

4.0

2024

Sci. Adv.5

5.0%

/

/

16.7%

~420

0.069

~2.2

2024

Sci. Adv.13

0.8%

/

/

12.0%

~300

0.069

~3.6

2023

Adv. Mater.19

8.0%

/

/

11.9%

~700

0.051

/

2023

Adv. Mater.12

2.7%

/

/

11.9%

333

/

~2.9

2025

Adv. Mater.37

18.0%

14.0%

10.5%

20.3%

31,407

~0.075

/

2025

Angew. Chem. Int. Ed.36

0.9%

/

/

16.3%

~290

0.075

~3.8

2025

ACS Energy Lett.18

14.5%

/

/

17.4%

2346

0.064

3.0

2025

This work

11.68%

19.17%

18.47%

20.02%

13,389

0.091

2.6

/

  1. The bold values are to emphasize the superiority of the device performance in our article compared to the previously reported work