US 11,956,984 B2
Light emitting element, light emitting device, and electronic apparatus
Koya Shiratori, Matsumoto (JP); Yuki Hanamura, Azumino (JP); and Tsutomu Asakawa, Shiojiri (JP)
Assigned to Lumitek Display Technology Limited, Dublin (IE)
Filed by Lumitek Display Technology Limited, Dublin (IE)
Filed on May 8, 2023, as Appl. No. 18/144,459.
Application 18/144,459 is a division of application No. 17/087,712, filed on Nov. 3, 2020, granted, now 11,683,948.
Application 15/951,338 is a division of application No. 15/452,089, filed on Mar. 7, 2017, granted, now 9,972,804, issued on May 15, 2018.
Application 17/087,712 is a continuation of application No. 16/901,896, filed on Jun. 15, 2020, granted, now 11,069,874, issued on Jul. 20, 2021.
Application 16/901,896 is a continuation of application No. 15/951,338, filed on Apr. 12, 2018, granted, now 10,720,595, issued on Jul. 21, 2020.
Claims priority of application No. 2016-063257 (JP), filed on Mar. 28, 2016.
Prior Publication US 2023/0276651 A1, Aug. 31, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 50/82 (2023.01); H01L 33/36 (2010.01); H01L 33/40 (2010.01); H01L 33/42 (2010.01); H10K 30/80 (2023.01); H10K 50/00 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 50/805 (2023.01); H10K 50/81 (2023.01); H10K 50/814 (2023.01); H10K 50/824 (2023.01); H10K 50/826 (2023.01); H10K 50/828 (2023.01); H10K 50/84 (2023.01); H10K 50/844 (2023.01); H10K 50/852 (2023.01); H10K 59/00 (2023.01); H10K 59/35 (2023.01); H10K 59/38 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/82 (2023.02) [H01L 33/36 (2013.01); H01L 33/40 (2013.01); H01L 33/42 (2013.01); H10K 30/865 (2023.02); H10K 50/00 (2023.02); H10K 50/156 (2023.02); H10K 50/166 (2023.02); H10K 50/167 (2023.02); H10K 50/17 (2023.02); H10K 50/171 (2023.02); H10K 50/805 (2023.02); H10K 50/81 (2023.02); H10K 50/814 (2023.02); H10K 50/824 (2023.02); H10K 50/826 (2023.02); H10K 50/828 (2023.02); H10K 50/844 (2023.02); H10K 50/846 (2023.02); H10K 50/852 (2023.02); H10K 59/00 (2023.02); H10K 59/35 (2023.02); H10K 59/38 (2023.02); H10K 2102/351 (2023.02)] 30 Claims
OG exemplary drawing
 
1. A light emitting element comprising:
a first electrode, that functions as a positive electrode, wherein the first electrode comprises a transparent conductive film;
a light emitting function layer formed above the first electrode;
a first layer formed above the light emitting function layer, the first layer having an electron injection function and comprising an element having a low work function;
a second electrode, that functions as a negative electrode, formed above the first layer, wherein the second electrode comprises Ag with Ag having an atomic ratio of 90% or more and 98% or less; and
an adsorption layer comprising Mg that is formed on and in direct contact with the second electrode, wherein the adsorption layer is not in contact with the first layer, and wherein the thickness of the adsorption layer is less than 5 nm.