An illumination device (104,120, 210) • configured to be mounted to a textile device (100, 200) or to be incorporated into the textile device (100, 200), and • including at least one luminous section (32, 35) with - at least one luminous part comprising an assembly with at least one luminous element, - a transparent profile element, which is configured and disposed with a light incident side on a light-emitting side of the luminous section (32, 35) to deflect light emitted from the luminous section (32, 35) in the direction of at least one outer surface of the profile element facing away from the luminous section (32, 35) such that the deflected light is visible from different angles of view on the at least one outer surface from outside with regard to the illumination device (104, 120, 210) characterized in that the profile element includes a first surface, which, starting at an outer border of the assembly, • includes an acute angle with the incident light side of the profile element,, and • is inclined in the direction of a centre of the incident light side; and that the profile element includes a second surface, which, • starting at the outer border of the assembly includes an acute angle with the incident light side of the profile element,, • is inclined in the direction of a centre of the incident light side, and • is opposite the first surface; and that an inner contour facing the assembly and/or an outer contour of the profile element facing away from the assembly is formed like a pyramid or truncated pyramid. • configured to be mounted to a textile device (100, 200) or to be incorporated into the textile device (100, 200), and • including at least one luminous section (32, 35) with - at least one luminous part comprising an assembly with at least one luminous element, - a transparent profile element, which is configured and disposed with a light incident side on a light-emitting side of the luminous section (32, 35) to deflect light emitted from the luminous section (32, 35) in the direction of at least one outer surface of the profile element facing away from the luminous section (32, 35) such that the deflected light is visible from different angles of view on the at least one outer surface from outside with regard to the illumination device (104, 120, 210) - at least one luminous part comprising an assembly with at least one luminous element, - a transparent profile element, which is configured and disposed with a light incident side on a light-emitting side of the luminous section (32, 35) to deflect light emitted from the luminous section (32, 35) in the direction of at least one outer surface of the profile element facing away from the luminous section (32, 35) such that the deflected light is visible from different angles of view on the at least one outer surface from outside with regard to the illumination device (104, 120, 210) - a transparent profile element, which is configured and disposed with a light incident side on a light-emitting side of the luminous section (32, 35) to deflect light emitted from the luminous section (32, 35) in the direction of at least one outer surface of the profile element facing away from the luminous section (32, 35) such that the deflected light is visible from different angles of view on the at least one outer surface from outside with regard to the illumination device (104, 120, 210) that the profile element includes a first surface, which, starting at an outer border of the assembly, • includes an acute angle with the incident light side of the profile element,, and • is inclined in the direction of a centre of the incident light side; and • includes an acute angle with the incident light side of the profile element,, and • is inclined in the direction of a centre of the incident light side; and that the profile element includes a second surface, which, • starting at the outer border of the assembly includes an acute angle with the incident light side of the profile element,, • is inclined in the direction of a centre of the incident light side, and • is opposite the first surface; and • starting at the outer border of the assembly includes an acute angle with the incident light side of the profile element,, • is inclined in the direction of a centre of the incident light side, and • is opposite the first surface; and that an inner contour facing the assembly and/or an outer contour of the profile element facing away from the assembly is formed like a pyramid or truncated pyramid.