Granted Patent B1

US 12,736,198 · App. 19/382,856 · Granted Sep 15, 2026

Inventors: Jonglee Park (Novi, MI); Helgert Elezi (Saint Clair Shores, MI); Jodi Mary Jean Allen (Orion, MI)

Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC

F21S41/285F21S43/26271

Abstract

Claims (61)

1 . A lens for a vehicle having one or more light sources emitting a polychromatic light, the lens comprising:

a first lens portion adjacent to the one or more light sources, wherein the first lens portion includes:

a first entry surface, wherein the emitted polychromatic light enters the first lens portion through the first entry surface;

a first exit surface opposing the first entry surface and wherein the polychromatic light is released from the first exit surface; and

a first diffraction portion adjacent to at least a section of the first exit surface, diffracting the emitted polychromatic light and creating distinct beams; and

a final lens portion adjacent to the first lens portion, wherein the final lens portion includes:

a final entry surface, wherein the polychromatic light enters the final lens portion through the final entry surface;

a final exit surface opposing the final entry surface; and

a final diffraction portion adjacent to at least a section of the final exit surface, diffracting the polychromatic light, and

wherein a white output light is released from the final exit surface.

2 . The lens of claim 1 , wherein the first lens portion having layers, wherein the layers include a laminate and the first diffraction portion, and wherein the first diffraction portion is a diffraction film adhered to the laminate by an adhesive.

3 . The lens of claim 2 , wherein the first entry surface is disposed on the laminate and the first exit surface is disposed on the diffraction film.

4 . The lens of claim 1 , wherein the final lens portion having layers, wherein the layers include a laminate and the final diffraction portion, and wherein the final diffraction portion is a diffraction film adhered to the laminate by an adhesive.

5 . The lens of claim 4 , wherein the final entry surface is disposed on the laminate and the diffraction film is disposed on at least a section of the final exit surface.

6 . The lens of claim 1 , wherein the first diffraction portion is a diffraction lens, wherein the diffraction lens having microscopic grooves disposed on at least a section of the first exit surface.

7 . The lens of claim 1 , wherein the final diffraction portion is a diffraction lens, wherein the diffraction lens having microscopic grooves disposed on at least a section of the final exit surface.

8 . The lens of claim 1 , further comprising at least one middle lens portion positioned between the first lens portion and the final lens portion, the at least one middle lens portion including:

a middle entry surface, wherein the polychromatic light released from the first exit surface enters the at least one middle lens portion through the middle entry surface;

a middle exit surface opposing the middle entry surface and wherein the polychromatic light is released from the middle exit surface; and

a middle diffraction portion adjacent to at least a section of the middle exit surface, diffracting the polychromatic light.

9 . The lens of claim 8 , wherein the at least one middle lens portion having layers, wherein the layers include a laminate and the middle diffraction portion, and wherein the middle diffraction portion is a diffraction film adhered to the laminate by an adhesive.

10 . The lens of claim 9 , wherein the middle entry surface is disposed on the laminate and the diffraction film is disposed on at least a section of the middle exit surface.

11 . The lens of claim 8 , wherein the middle diffraction portion is a diffraction lens, wherein the diffraction lens having microscopic grooves disposed on at least a section of the middle exit surface.

12 . An external light for a vehicle, the external light comprising:

one or more light sources, wherein the one or more light sources emit a polychromatic light; and

a lens including:

a first lens portion adjacent to the one or more light sources, wherein the first lens portion includes:

a first entry surface, wherein the emitted polychromatic light enters the first lens portion through the first entry surface;

a first exit surface opposing the first entry surface and wherein the polychromatic light is released from the first exit surface; and

a first diffraction portion adjacent to at least a section of the first exit surface, diffracting the emitted polychromatic light and creating distinct beams; and

a final lens portion adjacent to the first lens portion, wherein the final lens portion includes:

a final entry surface, wherein the polychromatic light enters the final lens portion through the final entry surface;

a final exit surface opposing the final entry surface; and

a final diffraction portion adjacent to at least a section of the final exit surface, diffracting the polychromatic light, and

wherein a white output light is released from the final exit surface.

13 . The external light of claim 12 , wherein the first lens portion having layers, wherein the layers include a laminate and the first diffraction portion, wherein the first diffraction portion is a diffraction film adhered to the laminate by an adhesive, wherein the first entry surface is disposed on the laminate and the diffraction film is disposed on at least a section of the first exit surface.

14 . The external light of claim 12 , wherein the final lens portion having layers, wherein the layers include a laminate and the final diffraction portion, wherein the final diffraction portion is a diffraction film adhered to the laminate by an adhesive, wherein the final entry surface is disposed on the laminate and the diffraction film is disposed on at least a section of the final exit surface.

15 . The external light of claim 12 , wherein the first diffraction portion is a diffraction lens, wherein the diffraction lens having microscopic grooves disposed on at least a section of the first exit surface.

16 . The external light of claim 12 , wherein the final diffraction portion is a diffraction lens, wherein the diffraction lens having microscopic grooves disposed on at least a section of the final exit surface.

17 . The external light of claim 12 , further comprising at least one middle lens portion positioned between the first lens portion and the final lens portion, the at least one middle lens portion including:

a middle entry surface, wherein the polychromatic light released from the first exit surface enters the at least one middle lens portion through the middle entry surface;

a middle exit surface opposing the middle entry surface and wherein the polychromatic light is released from the middle exit surface; and

a middle diffraction portion adjacent to at least a section of the middle exit surface, diffracting the polychromatic light.

18 . The external light of claim 17 , wherein the at least one middle lens portion having layers, wherein the layers include a laminate and the middle diffraction portion, wherein the middle diffraction portion is a diffraction film adhered to the laminate by an adhesive, wherein the middle entry surface is disposed on the laminate and the diffraction film is disposed on at least a section of the middle exit surface.

19 . The external light of claim 17 , wherein the middle diffraction portion is a diffraction lens, wherein the diffraction lens having microscopic grooves disposed on at least a section of the middle exit surface.

20 . An external light for a vehicle, the external light comprising:

one or more light sources, wherein the one or more light sources emit a polychromatic light; and

a lens including:

a first lens portion adjacent to the one or more light sources, wherein the first lens portion includes:

a first entry surface, wherein the emitted polychromatic light enters the first lens portion through the first entry surface;

a first exit surface opposing the first entry surface and wherein the polychromatic light is released from the first exit surface; and

a first diffraction portion adjacent to at least a section of the first exit surface, diffracting the emitted polychromatic light and creating distinct beams;

at least one middle lens portion adjacent to the first lens portion, the at least one middle lens portion including:

a middle entry surface, wherein the polychromatic light released from the first exit surface enters the at least one middle lens portion through the middle entry surface;

a middle exit surface opposing the middle entry surface and wherein the polychromatic light is released from the middle exit surface; and

a middle diffraction portion adjacent to at least a section of the middle exit surface, diffracting the polychromatic light; and

a final lens portion adjacent to the at least one middle lens portion, wherein the final lens portion includes:

a final entry surface, wherein the polychromatic light released from the at least one middle lens portion enters the final lens portion through the final entry surface;

a final exit surface opposing the final entry surface; and

a final diffraction portion adjacent to at least a section of the final exit surface, diffracting the polychromatic light, and

wherein a white output light is released from the final exit surface.

Assignments (1)

References Cited (12)