US 11,991,844 B2
Shaft and display device
Dengqian Li, Shenzhen (CN); and Rong Xia, Shenzhen (CN)
Assigned to SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Shenzhen (CN)
Appl. No. 17/419,546
Filed by SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Shenzhen (CN)
PCT Filed May 10, 2021, PCT No. PCT/CN2021/092695
§ 371(c)(1), (2) Date Jun. 29, 2021,
PCT Pub. No. WO2022/205564, PCT Pub. Date Oct. 6, 2022.
Claims priority of application No. 202110344267.2 (CN), filed on Mar. 31, 2021.
Prior Publication US 2024/0015905 A1, Jan. 11, 2024
Int. Cl. H05K 1/02 (2006.01); A63F 1/02 (2006.01); A63F 1/18 (2006.01); H05K 5/02 (2006.01); H05K 5/03 (2006.01); H10K 50/00 (2023.01); H10K 77/00 (2023.01); H01L 25/065 (2023.01); H05K 1/18 (2006.01)
CPC H05K 5/0217 (2013.01) [H01L 25/0655 (2013.01); H05K 1/189 (2013.01); H05K 2201/10128 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A display device, comprising:
a shaft comprising a plurality of planar sections and arc sections, wherein each of the arc sections is disposed between adjacent ones of the planar sections:
a flexible display screen comprising a first side, a second side opposite to the first side, and a third side disposed between the first side and the second side, wherein the third side is fixed on the shaft, and the flexible display screen is rollable on the shaft and expandable from the shaft; and
a plurality of chip-on-films, wherein at least part of the chip-on-films are spaced apart from each other and disposed on an edge of at least one of the first side, the second side, or the third side;
wherein when the flexible display screen is rolled on the shaft, each of the chip-on-films is arranged on a corresponding one of the planar sections.