US 11,056,662 B2
Organic light-emitting device and display device
Angran Zhang, Shanghai (CN); Hamada Yuji, Shanghai (CN); Jinghua Niu, Shanghai (CN); Xiangcheng Wang, Shanghai (CN); Shuang Cheng, Shanghai (CN); and Run Yang, Shanghai (CN)
Assigned to SHANGHAI TIANMA AM-OLED CO., LTD., Shanghai (CN)
Filed by SHANGHAI TIANMA AM-OLED CO., LTD., Shanghai (CN)
Filed on Oct. 23, 2017, as Appl. No. 15/791,347.
Claims priority of application No. 201710442724.5 (CN), filed on Jun. 13, 2017.
Prior Publication US 2018/0047927 A1, Feb. 15, 2018
Int. Cl. H01L 51/50 (2006.01); H01L 51/52 (2006.01); G09G 3/12 (2006.01); G09G 3/3208 (2016.01); H01L 27/32 (2006.01); H01L 51/00 (2006.01)
CPC H01L 51/5024 (2013.01) [G09G 3/12 (2013.01); G09G 3/3208 (2013.01); H01L 27/3225 (2013.01); H01L 51/504 (2013.01); H01L 51/5076 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 51/5278 (2013.01); H01L 51/0053 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/0094 (2013.01)] 28 Claims
OG exemplary drawing
 
1. An organic light-emitting device, comprising:
an anode, a cathode, and an organic light-emitting layer between the anode and the cathode, wherein the organic light-emitting layer comprises a blue light emitting layer, a green light emitting layer and a red light emitting layer, and the blue light emitting layer is arranged between the cathode and the green light emitting layer, and the green light emitting layer is arranged between the blue light emitting layer and the red light emitting layer;
the blue light emitting layer comprises a blue thermally-activated delayed fluorescent material with a mass percent between 60-80%; and
the green light emitting layer comprises at least one of a green phosphorescent material and a green thermally-activated delayed fluorescent material, and the red light emitting layer comprises at least one of a red phosphorescent material and a red thermally-activated delayed fluorescent material,
wherein the blue thermally-activated delayed fluorescent material comprises at least one of

OG Complex Work Unit Chemistry