US 12,295,213 B2
OLED display device and manufacturing method thereof
Yun Zhao, Guangdong (CN)
Assigned to HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., Guangdong (CN); and SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Guangdong (CN)
Appl. No. 17/618,453
Filed by HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., Guangdong (CN); and SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Nov. 23, 2021, PCT No. PCT/CN2021/132555
§ 371(c)(1), (2) Date Dec. 11, 2021,
PCT Pub. No. WO2023/082329, PCT Pub. Date May 19, 2023.
Claims priority of application No. 202111348168.8 (CN), filed on Nov. 15, 2021.
Prior Publication US 2024/0016005 A1, Jan. 11, 2024
Int. Cl. H10K 59/122 (2023.01); H10K 59/12 (2023.01); H10K 59/80 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/1201 (2023.02); H10K 59/873 (2023.02)] 19 Claims
OG exemplary drawing
 
1. An OLED display device, comprising:
a base substrate;
a pixel defining layer comprising a plurality of first openings, wherein a material of the pixel defining layer is a polymer;
a plurality of OLED devices disposed on the base substrate at intervals and disposed in the plurality of first openings, respectively, wherein at least some of the OLED devices provide with inorganic layers, the inorganic layers are completely located in the first openings to cover the OLED devices, and the inorganic layers are made of an inorganic material; and
a plurality of spacers disposed on the base substrate and correspondingly arranged at positions where no inorganic layers disposed, wherein at least some of the spacers are disposed on the pixel defining layer.