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US 2018/0026211 A1Published application
Foldable substrate, method for forming the same and flexible display device
AssigneeBoe Technology Group Co., Ltd.
InventorsMingche HSIEH, Chunyan XIE, Lu LIU, Hejin WANG
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Abstract
A foldable substrate, a method for forming the same, and a flexible display device are provided. The foldable substrate includes a plurality of rigid supporting portions separated from each other, every two of which are not in contact with each other, and a flexible foldable portion connecting two adjacent rigid supporting portions of the plurality of rigid supporting portions.
Claims20
A foldable substrate, comprising:
- a plurality of rigid supporting portions separated from each other, every two of which are not in contact with each other;
- and
- a flexible foldable portion connecting two adjacent rigid supporting portions of the plurality of rigid supporting portions;
- the flexible foldable portion is made of an organic material;
- the plurality of rigid supporting portions each comprises:
- an organic base substrate provided with a groove;
- and
- a hard substrate arranged in and adapted to the groove, wherein the hard substrate fits tightly to the groove.
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A method for forming a foldable substrate, comprising:
- arranging a plurality of hard substrates separated from each other, every two of which are not in contact with each other, on a carrier substrate;
- coating a flexible material onto the carrier substrate arranged with the plurality of hard substrates, to fill gaps between two adjacent hard substrates of the plurality of hard substrates and cover the plurality of hard substrates;
- and
- separating the plurality of hard substrates and the flexible material from the carrier substrate, to form a foldable substrate, wherein rigid supporting portions of the foldable substrate comprise the plurality of hard substrates and the flexible material covering the plurality of hard substrates, and flexible foldable portions of the foldable substrate comprise the flexible material between the plurality of hard substrates.
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Dependencies are inferred from the claim text.