Vehicle interior systems having a curved cover glass and display or touch panel and methods for forming the same
Embodiments of a vehicle interior system are disclosed. In one or more embodiments, the system includes a base with a curved surface, and a display or touch panel disposed on the curved surface. The display includes a cold-bent glass substrate with a thickness of 1.5 mm or less and a first radius of curvature of 20 mm or greater, and a display module and/or touch panel attached to the glass substrate having a second radius of curvature that is within 10% of the first radius of curvature. Methods for forming such systems are also disclosed.
1. A vehicle interior system frame comprising:
a first frame surface, a second frame surface opposing the first frame surface, and a frame edge with a frame thickness defined as the distance between the first frame surface and the second frame surface, a frame width defined as a first dimension of one of the first or second frame surfaces orthogonal to the frame thickness, and a frame length defined as a second dimension of one of the first or second frame surfaces orthogonal to both the frame thickness and the frame width;
a frame opening extending from the first frame surface to the second frame surface for receiving a display module that is optionally curved;
wherein at least a portion of the first frame surface has a frame radius of curvature of about 20 mm or greater;
wherein the first frame surface is attachable to a glass substrate having a width that is greater than the frame width or a length that is greater than the frame length;
wherein the frame width is 0.9 times the width of the glass substrate or less, or wherein the frame length is 0.9 times the length of the glass substrate or less; and
wherein the second frame surface comprises a protruding part configured to mate with a vehicle interior base.
2. The vehicle interior system frame of claim 1 , wherein, when the glass substrate is attached to the first frame surface, the glass substrate has a first radius of curvature that within 10% of the frame radius of curvature.
3. The vehicle interior system frame of claim 1 , wherein a display module is disposed in the frame opening, the display module has a display width that is less than the frame width or a display length that is less than the frame length.
4. The vehicle interior system frame of claim 3 , wherein the frame width is about 1.2 times the display width or greater, or wherein the frame length is about 1.2 times the display length or greater.
5. The vehicle interior system frame of claim 1 , wherein the frame opening comprises an interior surface that provides mechanical alignment for a display module to be disposed within the frame opening.
6. A cover glass and frame system for a vehicle interior system comprising:
a frame comprising a first frame surface, a second frame surface opposing the first frame surface, and a frame edge with a thickness defined as the distance between the first frame surface and the second frame surface, a frame width defined as a first dimension of one of the first or second frame surfaces orthogonal to the frame thickness, and a frame length defined as a second dimension of one of the first or second frame surfaces orthogonal to both the frame thickness and the frame width; a frame opening extending from the first frame surface to the second frame surface and surrounded by an interior surface connecting the first frame surface and the second frame surface; and
a glass substrate disposed on and attached to the first frame surface, the glass substrate comprising a first major surface, a second major surface opposing the first major surface and a minor surface connecting the first major surface and the second major surface with a thickness defined as a distance between the first major surface and the second major surface, a width defined as a first dimension of one of the first or second major surfaces orthogonal to the thickness, and a length defined as a second dimension of one of the first or second major surfaces orthogonal to both the thickness and the width, and wherein the width of the glass substrate is equal to or greater than the frame width, the length of the glass substrate is equal to or greater than the frame length, and the thickness is 1.5 mm or less,
wherein the glass substrate completely covers the frame opening;
wherein the frame width is 0.9 times the width of the glass substrate or less or wherein the frame length is 0.9 times the length of the glass substrate or less; and
wherein the second frame surface comprises a protruding part configured to mate with a vehicle interior base.
7. The cover glass and frame system of claim 6 , wherein one of or both the first frame surface and the glass substrate are flat.
8. The cover glass and frame system of claim 6 , wherein the second frame surface is flat.
9. The cover glass and frame system of claim 6 , wherein one of or both the first frame surface and the glass substrate comprise a radius of curvature of about 20 mm or greater.
10. The cover glass and frame system of claim 6 , wherein the first frame surface has a frame radius of curvature of about 20 mm or greater, and the glass substrate has a first radius of curvature that within 10% of the frame radius of curvature.
11. The cover glass and frame system of claim 6 , further comprising a display module disposed in the frame opening within the interior surface, wherein the display module has a display width that is less than the frame width or a display length that is less than the frame length.
12. The cover glass and frame system of claim 11 , wherein the frame width is about 1.2 times the display width or greater or wherein the frame length is about 1.2 times the display length or greater.
13. The cover glass and frame system of claim 11 , wherein the interior surface provides mechanical alignment for positioning the display module within the frame opening.
14. The cover glass and frame system of claim 11 , wherein the interior surface and the first frame surface comprise an opaque border surrounding the display module.
15. The cover glass and frame system of claim 6 , wherein the frame comprises a bezel extending from the first major surface or the frame edge away from the second major surface and at least partially surrounding the minor surface of the glass substrate.
16. The cover glass and frame system of claim 11 , further comprising an optically clear adhesive disposed between the display module and the glass substrate, wherein the interior surface contains the adhesive within the frame opening.
17. The cover glass and frame system of claim 6 , further comprising an air gap between the display module and the glass substrate.
18. The cover glass and frame system of claim 6 , wherein the frame and glass substrate are integrally formed.
19. The cover glass and frame system of claim 6 , wherein the frame and the glass substrate are attached to form an integral unit that experience substantially the same stresses as one another, before, during and after an impact on either one or both of the frame and the glass substrate.
20. The cover glass and frame system of claim 19 , wherein, the maximum stress exhibited by the frame caused by an impact on a portion of the second frame surface is within 10% of the maximum stress exhibited by the glass substrate measured across a portion of the first major surface adjacent to the portion of the second frame surface.
21. The cover glass and frame system of claim 20 wherein the maximum stress exhibited by the glass substrate measured across the entirety of the first major surface is within 10% of the maximum stress exhibited by the frame caused by the impact.
22. The cover glass and frame system of claim 19 , wherein before, during and after an impact at an impact area on either one or both of the frame and the glass substrate, the glass substrate resists local bending at the impact area.
23. The cover glass and frame system of claim 6 , further comprising a mounting system for attaching the cover glass and frame system to a vehicle interior base.
24. The cover glass and frame system of claim 6 , wherein, when an impacter having a mass of 6.8 kg impacts the first major surface at an impact velocity of 5.35 m/s to 6.69 m/s, a deceleration of the impacter is 120 g (g-force) or less.
25. The cover glass and frame system of claim 24 , wherein the deceleration of the impacter is not greater than 80 g for any 3 millisecond interval over a time of impact.
26. The cover glass and frame system of claim 6 , further comprising a scratch-resistant film or coating disposed on the first major surface.
27. A cover glass and frame system for a vehicle interior system comprising:
a frame comprising a first frame surface, a second frame surface opposing the first frame surface, and a frame edge with a thickness defined as the distance between the first frame surface and the second frame surface, a frame width defined as a first dimension of one of the first or second frame surfaces orthogonal to the frame thickness, and a frame length defined as a second dimension of one of the first or second frame surfaces orthogonal to both the frame thickness and the frame width; a frame opening extending from the first frame surface to the second frame surface and surrounded by an interior surface connecting the first frame surface and the second frame surface; and
a glass substrate disposed on and attached to the first frame surface, the glass substrate comprising a first major surface, a second major surface opposing the first major surface and a minor surface connecting the first major surface and the second major surface with a thickness defined as a distance between the first major surface and the second major surface, a width defined as a first dimension of one of the first or second major surfaces orthogonal to the thickness, and a length defined as a second dimension of one of the first or second major surfaces orthogonal to both the thickness and the width, and wherein the width of the glass substrate is equal to or greater than the frame width, the length of the glass substrate is equal to or greater than the frame length, and the thickness is 1.5 mm or less,
wherein the glass substrate completely covers the frame opening;
wherein the frame width is 0.9 times the width of the glass substrate or less or wherein the frame length is 0.9 times the length of the glass substrate or less; and
wherein the minor surface comprises an edge strength of about 200 MPa or greater, as tested by four-point bending test.
28. A cover glass and frame system for a vehicle interior system comprising:
a frame comprising a first frame surface, a second frame surface opposing the first frame surface, and a frame edge with a thickness defined as the distance between the first frame surface and the second frame surface, a frame width defined as a first dimension of one of the first or second frame surfaces orthogonal to the frame thickness, and a frame length defined as a second dimension of one of the first or second frame surfaces orthogonal to both the frame thickness and the frame width; a frame opening extending from the first frame surface to the second frame surface and surrounded by an interior surface connecting the first frame surface and the second frame surface; and
a glass substrate disposed on and attached to the first frame surface, the glass substrate comprising a first major surface, a second major surface opposing the first major surface and a minor surface connecting the first major surface and the second major surface with a thickness defined as a distance between the first major surface and the second major surface, a width defined as a first dimension of one of the first or second major surfaces orthogonal to the thickness, and a length defined as a second dimension of one of the first or second major surfaces orthogonal to both the thickness and the width, and wherein the width of the glass substrate is equal to or greater than the frame width, the length of the glass substrate is equal to or greater than the frame length, and the thickness is 1.5 mm or less,
wherein the glass substrate completely covers the frame opening;
wherein the frame width is 0.9 times the width of the glass substrate or less or wherein the frame length is 0.9 times the length of the glass substrate or less; and
wherein anyone of the first major surface, the second major surface and the minor surface comprises a maximum flaw size of 15 μm or less.
29. A method for forming a cover glass system for a vehicle interior system, the method comprising:
attaching a glass substrate to a frame as a carrier, wherein the frame comprises a first frame surface, a second frame surface opposing the first frame surface, and a frame edge with a frame thickness defined as the distance between the first frame surface and the second frame surface, a frame width defined as a first dimension of one of the first or second frame surfaces orthogonal to the frame thickness, and a frame length defined as a second dimension of one of the first or second frame surfaces orthogonal to both the frame thickness and the frame width; a frame opening extending from the first frame surface to the second frame surface and surrounded by an interior surface connecting the first frame surface and the second frame surface;
wherein the glass substrate completely covers the frame opening and wherein the glass substrate has a width that is greater than the frame width or a length that is greater than the frame length;
wherein the frame width is 0.9 times the width of the glass substrate or less, or wherein the frame length is 0.9 times the length of the glass substrate or less; and
wherein the second frame surface comprises a protruding part configured to mate with a vehicle interior base.