Foldable display device, manufacturing method thereof, and jig
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorZikang FENG
Life of this patent
Estimating the term…
Abstract
The present application provides a foldable display device, a manufacturing method thereof, and a jig. The foldable display device includes a folding region, a non-folding region, a flexible display panel, and a functional layer attached through an adhesive layer. In a pre-bent state of the foldable display device, an angle between portions of the foldable display device corresponding to the non-folding region on two opposite sides of the folding region is greater than 0 degree and less than 180 degrees. A stress of a portion of the adhesive layer corresponding to the folding region is less than or equal to a first predetermined threshold.
Claims20
A foldable display device, comprising:
- a folding region;
- a non-folding region disposed on two opposite sides of the folding region;
- a flexible display panel;
- and
- at least one functional layer attached to the flexible display panel through an adhesive layer;
- wherein the foldable display device comprises a pre-bent state, in the pre-bent state, an angle between portions of the foldable display device corresponding to the non-folding region on two opposite sides of the folding region is greater than 0 degree and less than 180 degrees, and a stress of a portion of the adhesive layer corresponding to the folding region is less than or equal to a first predetermined threshold.
A manufacturing method of a foldable display device, wherein the foldable display device comprises a flexible display panel and at least one functional layer, and the manufacturing method comprises the steps of:
- providing a jig, wherein the jig comprises a first jig and a second jig, the first jig comprises a first inclined plane, a second inclined plane, and a curved surface connected to the first inclined plane and the second inclined plane, and an angle between the first inclined plane and the second inclined plane is greater than 0 degree and less than 180 degrees;
- placing one of the flexible display panel or the functional layer on the first inclined plane, the second inclined plane, and the curved surface of the first jig;
- forming an adhesive layer on a surface of the flexible display panel or the functional layer placed on the first jig away from the first jig;
- and
- pressing the second jig onto the first jig to bond another one of the flexible display panel or the functional layer to the adhesive layer and obtain the foldable display device comprising a pre-bent state, wherein in the pre-bent state, a stress of a bent portion of the adhesive layer is less than or equal to a first predetermined threshold.
A jig for manufacturing a foldable display device, comprising a first jig and a second jig used in cooperation with the first jig;
- wherein the first jig comprises a first inclined plane, a second inclined plane, and a curved surface connected to the first inclined plane and the second inclined plane, and an angle between the first inclined plane and the second inclined plane is greater than 0 degree and less than 180 degrees;
- and
- wherein the foldable display device comprises a flexible display panel and at least one functional layer, the second jig is used to press the flexible display panel and the functional layer between the first jig and the second jig, and the flexible display panel and the functional layer are bonded by pressing of the second jig to form the foldable display device comprising a pre-bent state.
Dependencies are inferred from the claim text.