Table 3 The performance characteristics of the two-layer PLED devices.

From: Bipolar and Unipolar Silylene-Diphenylene σ-π Conjugated Polymer Route for Highly Efficient Electrophosphorescence

Host

Vona (V)

Lmax (cd/m2)

ηL at L = 100 cd/m2 (cd/A)

ηL at L = 1000 cd/m2 (cd/A)

Max. ηL, ηP, and EQEb (cd/A, lm/W, %)

Si(tOXD)(oTPA)

4.0

25452 (at 15.4 V)

58.3 (at 6.6 V)

42.4 (at 9.0 V)

80.1 (at 4.2 V), 62.9, 21.2%

Si(tOXD)(tTPA)

5.4

18750 (at 17.6 V)

42.2 (at 8.4 V)

28.6 (at 11.2 V)

73.5 (at 5.4 V), 42.7, 19.5%

Si(doTPA)

3.0

19847 (at 13.8 V)

65.7 (at 4.6 V)

63.3 (at 6.4 V)

66.5 (at 5.2 V), 60.1, 17.6%

Si(dtOXD)

6.0

4087 (at 20.0 V)

10.1 (at 10.2 V)

8.3 (at 14.4 V)

10.3 (at 9.0 V), 4.4, 2.73%

  1. aVon is defined as the voltage at 1 cd/m2.
  2. bThe maximum luminance efficiency and maximum power efficiency are denoted as ηL and ηP, respectively.
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