Strengthened cover glass for display or touch panel

By using the design of cover glass and intermediate layers with different thickness areas in the vehicle internal system, the problem of degradation of readability and optical performance of the display in poor environments is solved, especially reducing the touch-induced mura effect, improving the overall performance of the system.

CN112867625BActive Publication Date: 2025-03-28CORNING INC
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Patent Information

Application Number
CN201980061642.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2018-08-20
Filing Date
2019-08-12
Publication Date
2025-03-28
Estimated Expiration
2039-08-12

AI Technical Summary

Technical Problem

The display inside the vehicle has a reduced readability and optical performance under adverse environmental conditions, and is prone to touch-induced mura effects, affecting the user experience.

Method used

Using a vehicle internal system with a curved surface, including a display and a cover glass disposed on the display, the cover glass corresponds to a touch-sensitive area of ​​the display, the second thickness is greater than the first thickness, and includes a first glass substrate and a second glass substrate in the second region, the intermediate layer providing structural support.

Benefits of technology

Effectively reduces the touch-induced mura effect, improves the optical performance and readability of the display, and provides sufficient structural integrity to meet safety standards while maintaining the advantages of thin cover glass.

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Abstract

Embodiments of a vehicle interior system and a method for forming the same are disclosed. The vehicle interior system includes a base having a curved surface, a display disposed on the curved surface, and a cover glass disposed on the display. The cover glass has a first region including a first major surface, a second major surface opposite the first major surface, and a first thickness defined as a distance between the first major surface and the second major surface. The cover glass also has a second region including a first major surface, a third major surface opposite the first major surface, and a second thickness defined as a distance between the first major surface and the third major surface. The display is attached to the third major surface, and the second region corresponds to a touch-sensitive area of ​​the display. The second thickness is greater than the first thickness.
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