Car light

A car light, comprising:

• a base, at least one light source, a light shade, an optical coating having a predefined reflectivity, and a light pattern generating unit;
• wherein the base and the light shade are connected to each other, and wherein the at least one light source is disposed on the base;
• the light pattern generating unit being a light transmissive optical diffuser and being arranged between the at least one light source and the light shade;
• the light shade being a light transmissive housing, and both the light shade and the light pattern generating unit being located along a light path of the at least one light source;
• wherein a surface of the light pattern generating unit facing towards the at least one light source is a light incident surface and a surface of the light pattern generating unit facing away from the at least one light source is a light emitting surface;
• the optical coating being disposed on the light incident surface of the light pattern generating unit;
• wherein the optical coating is at least a four-layered structure formed by a plurality of alternately stacked silicon dioxide and ceramic oxide layers;
• wherein one of the plurality of silicon dioxide layers is directly disposed on the light incident surface of the light pattern generating unit;
• and a reflection of light having specific wavelengths and emitted from the at least one light source is either of increased or decreased subsequent to the light emitted from the at least one light source interacting with the optical coating.

A car light, comprising:

• a base, at least one light source, a light shade, an optical coating having a predefined reflectivity, and a light pattern generating unit;
• wherein the base and the light shade are connected to each other and wherein the at least one light source is disposed on the base;
• the light pattern generating unit being a light transmissive optical diffuser and being mounted between the at least one light source and the light shade;
• the light shade being a light transmissive housing and both the light shade and the light pattern generating unit being located along a light path of the at least one light source;
• wherein a surface of the light pattern generating unit facing towards the at least one light source is a light incident surface and a surface of the light pattern generating unit facing away from the at least one light source is a light emitting surface;
• the optical coating being disposed on the light emitting surface of the light pattern generating unit;
• wherein the optical coating is an at least a four-layered structure formed by a plurality of alternately stacked silicon dioxide and of ceramic oxide layers;
• wherein one of the plurality of silicon dioxide layers is directly disposed on the light emitting surface of the light pattern generating unit;
• and a reflection of light having specific wavelengths and emitted from the at least one light source is either of increased or decreased subsequent to the light emitted from the at least one light source interacting with the optical coating.

A car light, comprising:

• a base, at least one light source, a light shade, an optical coating having a predefined reflectivity, and a light pattern generating unit;
• wherein the base and the light shade are connected to each other, and wherein the at least one light source is disposed on the base;
• the light pattern generating unit being a light transmissive optical diffuser and being arranged between the at least one light source and the light shade;
• the light shade being a light transmissive housing and both the light shade and the light pattern generating unit being located along a light path of the at least one light source;
• wherein the light shade covers both the light pattern generating unit and the at least one light source;
• wherein a surface of the light pattern generating unit facing towards the at least one light source is a light incident surface of the light pattern generating unit and a surface of the light pattern generating unit facing away from the at least one light source is a light emitting surface of the light pattern generating unit, thereby light emitted from the at least one light source enters the light pattern generating unit through the light incident surface thereof and exits the light pattern generating unit through the light emitting surface thereof, wherein the light pattern generating unit diffuses the light emitted from the light source for performing light pattern conversion thereon;
• wherein a surface of the light shade facing towards the at least one light source is a light incident surface of the light shade and a surface of the light shade facing away from the at least one light source is a light emitting surface of the light shade;
• the optical coating being disposed on the light incident surface of the light shade;
• wherein the optical coating is at least a four-layered structure formed by a plurality of alternately stacked silicon dioxide and ceramic oxide layers;
• wherein one of the plurality of silicon dioxide layers is directly disposed on the light incident surface of the light shade;
• and a reflection of light having specific wavelengths and emitted from the at least one light source and projected via the light emitting surface of the light shade is either of increased or decreased subsequent to the light emitted from the at least one light source and subjected to the light pattern conversion by the light pattern generating unit interacting with the optical coating.