Do you know what are the design and development settings for car taillights (1)?
General provisions:
a. The apparent surface projection of a single lamp on the reference axis shall not be less than 60% of the minimum rectangular area enclosed by the apparent surface in the reference direction.
b. Lamps configured in pairs must be symmetrically installed on the vehicle relative to the longitudinal symmetry plane (not used for the internal structure of the lamps); meet the same chromaticity requirements and have the same light distribution performance.
c. No red light can be observed from the front of the car, and no white light can be observed from the back of the car.
d. Light color and chromaticity requirements: high beams, low beams, and front position lights are white; front turn signals are amber.
e. Light distribution performance:
The rear position lights and brake lights meet the requirements of "GB5920 Light Distribution Performance of Front Position Lights, Rear Position Lights, Position Lights and Brake Lights for Automobiles and Trailers"; the rear turn signals meet the requirements of "GB17509 Light Distribution Performance of Automobile and Trailer Turn Signal Lights" ; The rear fog lamp meets the requirements of "GB 11554 Light Distribution Performance of Rear Fog Lamps for Motor Vehicles and Trailers"; The reversing lamp meets the requirements of "GB 15235 Light Distribution Performance of Rear Lamps for Automobiles and Trailers"; The retro reflector meets the requirements of "GB 11564 Motor Vehicles" Retro-Reflector" requirements.