US 12,464,887 B2
Light-emitting element, lighting device, light-emitting device, and electronic device
Takahiro Ushikubo, Kanagawa (JP)
Assigned to Semiconductor Energy Laboratory Co., Ltd., (JP)
Filed by Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken (JP)
Filed on Sep. 28, 2022, as Appl. No. 17/954,879.
Application 17/954,879 is a continuation of application No. 17/411,660, filed on Aug. 25, 2021, granted, now 11,462,704.
Application 17/411,660 is a continuation of application No. 16/855,416, filed on Apr. 22, 2020, granted, now 11,108,009, issued on Aug. 31, 2021.
Application 16/855,416 is a continuation of application No. 16/166,610, filed on Oct. 22, 2018, granted, now 10,636,992, issued on Apr. 28, 2020.
Application 16/166,610 is a continuation of application No. 15/619,813, filed on Jun. 12, 2017, granted, now 10,115,926, issued on Oct. 30, 2018.
Application 15/619,813 is a continuation of application No. 14/192,175, filed on Feb. 27, 2014, granted, now 9,685,623, issued on Jun. 20, 2017.
Application 14/192,175 is a continuation of application No. 13/614,151, filed on Sep. 13, 2012, granted, now 8,664,849, issued on Mar. 4, 2014.
Application 13/614,151 is a continuation of application No. 12/234,258, filed on Sep. 19, 2008, granted, now 8,283,856, issued on Oct. 9, 2012.
Claims priority of application No. 2007-250512 (JP), filed on Sep. 27, 2007.
Prior Publication US 2023/0071734 A1, Mar. 9, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 50/12 (2023.01); H10K 50/125 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 59/122 (2023.01); H10K 59/173 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01)
CPC H10K 50/125 (2023.02) [H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 59/122 (2023.02); H10K 59/173 (2023.02); H10K 85/324 (2023.02); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/631 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A light-emitting device comprising:
a substrate;
a transistor over the substrate; and
a light-emitting element electrically connected to the transistor, the light-emitting element comprising:
an anode electrically connected to one of a source electrode and a drain electrode of the transistor;
a cathode overlapping with the anode;
a first layer between the anode and the cathode;
a second layer between the anode and the cathode; and
a third layer between the anode and the cathode,
wherein the first layer comprises a first organic compound and a second organic compound,
wherein the second layer comprises a third organic compound and a fourth organic compound,
wherein the third layer comprises the first organic compound and a fifth organic compound,
wherein the first organic compound is configured to emit blue light, and
wherein the third organic compound is configured to emit green light.