US 12,010,897 B2
Foldable display panel
Fang Wang, Hubei (CN)
Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Hubei (CN)
Appl. No. 17/261,766
Filed by WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Hubei (CN)
PCT Filed Oct. 20, 2020, PCT No. PCT/CN2020/122104
§ 371(c)(1), (2) Date Mar. 13, 2023,
PCT Pub. No. WO2022/000866, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 202010594105.X (CN), filed on Jun. 28, 2020.
Prior Publication US 2023/0209971 A1, Jun. 29, 2023
Int. Cl. H10K 59/80 (2023.01); G02B 5/30 (2006.01); G06F 3/041 (2006.01); H04M 1/02 (2006.01); H10K 59/12 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/80 (2023.02) [G02B 5/3016 (2013.01); G06F 3/041 (2013.01); H04M 1/0268 (2013.01); H10K 77/111 (2023.02); G06F 2203/04102 (2013.01); H10K 59/12 (2023.02); H10K 2102/311 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A foldable display panel, comprising a first display area, a second display area, a third display area, an inwardly folding area defined between the first display area and the second display area, and an outwardly folding area defined between the second display area and the third display area, wherein the foldable display panel further comprises a metal supporting layer, a display module disposed on a surface of the metal supporting layer, a touch layer disposed on a surface of the display module, and a polarizing cover layer disposed on a surface of the touch layer, wherein the metal supporting layer is provided with a complete SUS stainless steel layer in the first display area, the second display area, the third display area, and the outwardly folding area, and the metal supporting layer is provided with an SUS stainless steel layer with a hollow pattern in the inwardly folding area; and
wherein the polarizing cover layer comprises a polarizing layer and a cover layer attached to each other, the polarizing layer is a liquid crystal layer and/or a polyvinyl alcohol film, and the cover layer is an organic and inorganic laminated layer, wherein a fan-out area is disposed on an edge of the display area, a driving circuit is disposed in the fan-out area, a protection layer is disposed on a surface of the driving circuit, and the protection layer and the metal supporting layer are made of a same material and provided in a same layer.