AUTOMOTIVE LAMP OPTICAL ELEMENT, AUTOMOTIVE LAMP MODULE, AND VEHICLE

Provided are an automotive lamp optical element, an automotive lamp module and a vehicle. The automotive lamp optical element includes a light-incident portion (1), a transmission portion (2) and a light-emitting portion (3) connected in sequence. The light-incident portion (1) is provided with at least one light-incident structure (11) configured to converge light. An area of a cross section of the transmission portion (2) gradually increases in a light transmission direction. A light-emitting convex surface (31) is formed on one end of the light-emitting portion (3) facing away from the transmission portion (2). The automotive lamp module includes the above automotive lamp optical element, and further includes at least one light source (200). The at least one light source is disposed in one-to-one correspondence with the at least one light-incident structure (11).