US 12,228,964 B2
Display device, supporting film for display device and electronic apparatus
Penghao Gu, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/418,938
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Dec. 29, 2020, PCT No. PCT/CN2020/141044
§ 371(c)(1), (2) Date Jun. 28, 2021,
PCT Pub. No. WO2021/169581, PCT Pub. Date Sep. 2, 2021.
Claims priority of application No. 202010114130.3 (CN), filed on Feb. 24, 2020.
Prior Publication US 2022/0308624 A1, Sep. 29, 2022
Int. Cl. G06F 1/16 (2006.01)
CPC G06F 1/1616 (2013.01) [G06F 1/1652 (2013.01); G06F 1/1656 (2013.01); B32B 2457/20 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A display device, wherein the display device comprises:
a display panel, the display panel comprises:
a bendable area, the bendable area comprises at least a display area of the display panel;
a bonding area, the bonding area comprises a part of a non-display area of the display panel; and
a folding area, the folding area is located between the bendable area and the bonding area; and
the display device further comprises a supporting film, the supporting film is adhered to a back surface of the display panel, the supporting film comprises a first film portion and a second film portion, an orthographic projection of the first film portion on the display panel falls within the bendable area, and an orthographic projection of the second film portion on the display panel falls within the bonding area,
wherein a material of the first film portion is different from a material of the second film portion,
wherein the first film portion comprises a first supporting portion, the second film portion comprises a second supporting portion, and an elastic modulus of the material of the first supporting portion is greater than an elastic modulus of the material of the second supporting portion,
wherein a thickness of the first supporting portion is smaller than a thickness of the second supporting portion, and
wherein the first film portion further comprises a first adhesive portion, the first supporting portion is adhered to the back surface of the display panel through the first adhesive portion, and an orthographic projection of the first adhesive portion on the display panel falls within an orthographic projection of the first supporting portion on the display panel; and the thickness of the first supporting portion is smaller than a thickness of the first adhesive portion.