- 专利标题： Cover plate for flexible substrate, and flexible display device
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申请号： US16565944申请日： 2019-09-10
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公开(公告)号： US11289671B2公开(公告)日： 2022-03-29
- 发明人: Yongxiang Shi , Paoming Tsai , Dejun Bu , Peng Cai , Jiahao Zhang , Shuang Du
- 申请人： BOE Technology Group Co., Ltd.
- 申请人地址： CN Beijing
- 专利权人： BOE Technology Group Co., Ltd.
- 当前专利权人： BOE Technology Group Co., Ltd.
- 当前专利权人地址： CN Beijing
- 代理机构： Nath, Goldberg & Meyer
- 代理商 Joshua B. Goldberg
- 优先权： CN201920212638.X 20190219
- 主分类号： H01L51/52
- IPC分类号： H01L51/52 ; H01L51/00
摘要：
The present disclosure provides a cover plate for a flexible substrate which includes a first hardened layer, a second hardened layer and a polymer thin film layer provided between the first hardened layer and the second hardened layer, wherein a hardness of the first hardened layer is less than that of the second hardened layer, a hardness of the polymer thin film layer is less than that of the first hardened layer, and a bending radius of the first hardened layer is greater than that of the second hardened layer.
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