	US 12,250,892 B2
	Display material
Peiman Hosseini, Bicester (GB); Clement Talagrand, Oxford (GB); Graham Triggs, Oxford (GB); Christopher Wright, Exmouth (GB); and Noboru Yamada, Osaka (JP)
Assigned to E Ink Corporation, Billerica, MA (US)
Filed by E INK CORPORATION, Billerica, MA (US)
Filed on May 30, 2024, as Appl. No. 18/678,092.
Application 18/678,092 is a division of application No. 17/416,848, granted, now 12,041,862, previously published as PCT/GB2019/053628, filed on Dec. 19, 2019.
Claims priority of application No. 1821051 (GB), filed on Dec. 21, 2018.
Prior Publication US 2024/0334848 A1, Oct. 3, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H10N 70/00 (2023.01); G02F 1/00 (2006.01); G02F 1/01 (2006.01); H10N 70/20 (2023.01)

CPC H10N 70/8828 (2023.02) [G02F 1/0054 (2013.01); G02F 1/009 (2013.01); G02F 1/0147 (2013.01); H10N 70/235 (2023.02)]

7 Claims

1. A phase change material for use in a display device, wherein said phase change material is selected from:

Sb_31.91G_40.07Te_28.03;

Sb_35.8Ge_34.91Te_29.28;

Sb_11.72G_56.57Te_31.71;

Sb_22.26Ge_47.06Te_30.68;

Sb_46.96Ge_24.95Te_28.09;

Sb_22.8Ge_47.82Te_29.38;

Sb_44.34Ge_27.5Te_28.16;

Sb_45.54Ge_24.96Te_29.46;

Sb_41.45Ge_27.93Te_30.62;

Sb_50.51Ge_20.3Te_29.19;

Sb_51.96Ge_22.01Te_26.03;

Sb_33.78Ge_44.23Te_21.98;

Sb_54.49Ge_23.97Te_21.54;

Sb_49.8Ge_27.68Te_22.52;

Sb_48.8Ge_29.98Te_21.52;

Sb_66.3Ge_16.2Te_17.5;

Sb_49.67Ge_20.43Te_29.9;

Sb_45.57Ge_24.96Te_29.46;

Sb_38.68Ge_28.41Te_32.92;

Sb_38.37Ge_30.62Te_31.02;

Sb_36.15Ge_30.89Te_32.96;

Sb_34.27Ge_34.99Te_30.74;

Sb_33.79Ge_41.06Te_25.15;

Sb_24.63Ge_42.71Te_32.66;

Se₅₁Te₂₁Sn₂₈;

Ge₈Sn₅Te₈₇; and

Te₈₀Sn₁₅Ge₅, and

wherein said phase change material has a recrystallization temperature of at most about 250° C. and a recrystallization time of at least about 1 μs.