A vehicle lamp (1) includes: a lens unit (55) having at least one lens; a holder (100) having a cylindrical support portion (101) to which the lens unit (55) is fixed inside, and a protrusion (101b) provided closer to a front end of the support portion (101) than the lens unit (55) and protruding inward of the support portion (101); a locking portion (110) provided in the support portion (101) and elastically deformable in a radial direction of the support portion (101); and a locked portion (120) provided in the lens unit (55) and locked to the locking portion (110), in which the locking portion (110) presses the locked portion (120) toward the front end of the support portion (101), and the lens unit (55) is sandwiched between the locking portion (110) and the protrusion (101b).

A vehicle lamp includes at least one light source; and at least one optical member disposed in front of the light source to allow light emitted from the light source to be irradiated therethrough in a forward direction to form a beam pattern. The optical member includes a plurality of facets arranged in a predetermined direction to constitute a light emission surface of the optical member, and the light is emitted from the light emission surface in the forward direction. A center line vertically extends in a perpendicular manner to an optical axis of the optical member. Positions of facets belonging to at least one of both opposing areas with respect to the center line among the plurality of facets shift rearward as they go away from the center line to a side, such that a step formed between adjacent facets is directed rearward.

A light-transmitting resin member is provided that can inhibit color appearance in which the light-transmitting resin member appears to be colored depending on a viewpoint position. Provided is a light-transmitting resin member, in at least a part of a surface of which a plurality of groove structures configured with a plurality of linear protrusion portions and a plurality of linear recess portions are formed and in which the linear protrusion portions and the linear recess portions extend in directions parallel with each other and the grooves are formed at a pitch at which transmittance of visible light incident at an incident angle in a predetermined range becomes approximately constant, the visible light being incident on a region, in which the grooves are formed, in the surface, the visible light being transmitted through the light-transmitting resin member.

Methods and apparatus for providing circadian-friendly LED light sources are disclosed. A light source is formed to include a first LED emission (e.g., one or more LEDs emitting a first spectrum) and a second LED emission (e.g., one or more LEDs emitting a second spectrum) wherein the first and second LED emissions are combined in a first ratio and in a second ratio such that while changing from the first ratio to the second ratio the relative circadian stimulation is varied while maintaining a color rendering index above 80.

A vehicle lamp (1) includes: a lens unit (55) having at least one lens; a holder (100) having a cylindrical support portion (101) to which the lens unit (55) is fixed inside, and a protrusion (101b) provided closer to a front end of the support portion (101) than the lens unit (55) and protruding inward of the support portion (101); a locking portion (110) provided in the support portion (101) and elastically deformable in a radial direction of the support portion (101); and a locked portion (120) provided in the lens unit (55) and locked to the locking portion (110), in which the locking portion (110) presses the locked portion (120) toward the front end of the support portion (101), and the lens unit (55) is sandwiched between the locking portion (110) and the protrusion (101b).