Invention Grant
- Patent Title: Perimeter adhesive for improved reliability and reduced stress mura in curved displays with cover glass
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Application No.: US17766630Application Date: 2020-09-23
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Publication No.: US12235533B2Publication Date: 2025-02-25
- Inventor: Steven Roy Burdette
- Applicant: Corning Incorporated
- Applicant Address: US NY Corning
- Assignee: Corning Incorporated
- Current Assignee: Corning Incorporated
- Current Assignee Address: US NY Corning
- International Application: PCT/US2020/052136 WO 20200923
- International Announcement: WO2021/076280 WO 20210422
- Main IPC: G02F1/1333
- IPC: G02F1/1333 ; B60K35/60 ; G02F1/1335 ; H10K59/80 ; B60K35/22

Abstract:
Embodiments of a curved display assembly are disclosed. The assembly includes a glass sheet having first and second major surfaces. The second major surface defines a first curvature of the glass sheet, and the first curvature has a bend axis. The assembly also includes a curved display having a second thickness between first and second display surfaces. The display has a display region and two overhanging edges adjacent to the display region and parallel to the bend axis. A first adhesive bonds the second display surface to the second major surface in the display region. A second adhesive is disposed between each of the two overhanging edges and the second major surface. The second adhesive has a higher elastic modulus than the first adhesive. The overhanging edges each extend a distance outside of the display area that is at least three times the second thickness of the curved display.
Public/Granted literature
- US20240053629A1 PERIMETER ADHESIVE FOR IMPROVED RELIABILITY AND REDUCED STRESS MURA IN CURVED DISPLAYS WITH COVER GLASS Public/Granted day:2024-02-15
Information query
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