US 12,289,847 B2
Display device including a foldable housing unit and a flexible display panel
Yasuyuki Togashi, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Appl. No. 17/612,355
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
PCT Filed May 28, 2019, PCT No. PCT/JP2019/021153
§ 371(c)(1), (2) Date Nov. 18, 2021,
PCT Pub. No. WO2020/240712, PCT Pub. Date Dec. 3, 2020.
Prior Publication US 2022/0248549 A1, Aug. 4, 2022
Int. Cl. H05K 5/02 (2006.01); F16C 11/04 (2006.01); G06F 1/16 (2006.01); G06F 3/041 (2006.01); H05K 5/00 (2006.01)
CPC H05K 5/0226 (2013.01) [F16C 11/04 (2013.01); G06F 1/1616 (2013.01); G06F 1/1652 (2013.01); G06F 1/1681 (2013.01); G06F 3/041 (2013.01); H05K 5/0017 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display device comprising:
a housing unit being foldable; and
a display panel with flexibility,
wherein the display panel includes a first display region and a second display region adjacent to the first display region,
the housing unit includes:
one hinge member,
a first housing and a second housing connected to each other via the one hinge member,
a first cover holder member and a second cover holder member connected to each other and connected to the one hinge member,
a first cover member held by the first cover holder member, and covering a display surface of the display panel in the first display region,
a second cover member held by the second cover holder member, and covering a display surface of the display panel in the second display region,
a first fulcrum connecting the one hinge member and an end portion of the first housing in a manner of being relatively rotatable between the one hinge member and the first housing,
a second fulcrum connecting the one hinge member and an end portion of the second housing in a manner of being relatively rotatable between the one hinge member and the second housing, and
a third fulcrum connecting the one hinge member, a first end portion of the first cover holder member, and a first end portion of the second cover holder member in a manner of being relatively rotatable between the one hinge member, the first cover holder member, and the second cover holder member,
a second end portion on an opposite side of the first end portion of the first cover holder member is slidably connected to the first housing,
a second end portion on an opposite side of the first end portion of the second cover holder member is slidably connected to the second housing, and
the one hinge member is connected to each of the first housing, the second housing, the first cover holder member, and the second cover holder member so that the one hinge member and the first housing are relatively rotatable about the first fulcrum, the one hinge member and the second housing are relatively rotatable about the second fulcrum, and the one hinge member, the first cover holder member, and the second cover holder member are relatively rotatable about the third fulcrum, wherein
while the display device is deployed at 180 degrees,
the first fulcrum and the second fulcrum are disposed on a back face side of the display panel, and
the third fulcrum is disposed on a display surface side of the display panel on an opposite side of the back face side.