US 12,304,313 B2
Light guide-based deadfront for display, related methods and vehicle interior systems
Antoine Daniel Lesuffleur, Avon (FR); Xiang-Dong Mi, Pittsford, NY (US); Xu Ouyang, Painted Post, NY (US); and Yawei Sun, Elmira, NY (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Sep. 1, 2023, as Appl. No. 18/241,374.
Application 18/241,374 is a continuation of application No. 16/646,756, granted, now 11,772,491, previously published as PCT/US2018/050562, filed on Sep. 12, 2018.
Claims priority of provisional application 62/557,987, filed on Sep. 13, 2017.
Prior Publication US 2023/0406106 A1, Dec. 21, 2023
Int. Cl. B60K 35/60 (2024.01); G02B 1/14 (2015.01); G06F 1/16 (2006.01); B60K 35/22 (2024.01); G09F 21/04 (2006.01)
CPC B60K 35/60 (2024.01) [G02B 1/14 (2015.01); G06F 1/1609 (2013.01); B60K 35/22 (2024.01); B60K 2360/1523 (2024.01); B60K 2360/28 (2024.01); B60K 2360/336 (2024.01); B60K 2360/688 (2024.01); B60K 2360/92 (2024.01); G09F 21/049 (2020.05)] 20 Claims
OG exemplary drawing
 
1. A deadfront article for a display comprising:
a cover structure comprising:
an inner surface;
an outer surface opposite the inner surface;
a glass layer located between the inner surface and the outer surface; and
a first layer of light transmitting ink or pigment located between the inner surface of the cover structure and the glass layer;
a light guide layer comprising:
an inner surface; and
an outer surface facing toward the inner surface of the cover structure;
a light extraction layer located on at least one of the inner surface and the outer surface of the light guide layer, wherein the light extraction layer is formed from an ink material having an opacity, wherein:
the first layer of light transmitting ink or pigment comprises any one of a wood-grain design, a leather-grain design, a fabric design, a brushed metal design, a graphic design, and a logo, and
the cover structure further comprises an image enhancing layer of white light transmitting ink or pigment located between the first layer of light transmitting ink or pigment and the light extraction layer, the image enhancing layer increasing contrast of portions of the first layer of light transmitting ink or pigment.