US 12,225,749 B2
Display panel and display apparatus
Jingwen Tian, Kunshan (CN); Bing Wang, Kunshan (CN); and Yin Zhang, Kunshan (CN)
Assigned to KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD, Kunshan (CN)
Filed by KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD, Jiangsu (CN)
Filed on Nov. 15, 2021, as Appl. No. 17/526,347.
Application 17/526,347 is a continuation of application No. PCT/CN2020/100538, filed on Jul. 7, 2020.
Claims priority of application No. 201911018856.0 (CN), filed on Oct. 24, 2019.
Prior Publication US 2022/0077418 A1, Mar. 10, 2022
Int. Cl. H01L 51/50 (2006.01); H10K 50/18 (2023.01); H10K 85/60 (2023.01); H10K 101/30 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/18 (2023.02) [H10K 85/631 (2023.02); H10K 2101/30 (2023.02); H10K 2102/351 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a blue light-emitting device,
wherein the blue light-emitting device comprises a first electrode, an electron blocking layer, a light-emitting layer and a second electrode which are stacked; and
wherein hole mobility of the electron blocking layer is not greater than 5×10−4 cm2/VS, the electron blocking layer comprises a biased electron-type material, and a mass ratio of the biased electron-type material to the electron blocking layer is 1:20 to 1:5.