![TIL since 2020, white LED streetlights have been turning purple because of a defect during the manufacturing process between 2017 and 2019. The yellow phosphor coating was delaminating, and the blue LED TIL since 2020, white LED streetlights have been turning purple because of a defect during the manufacturing process between 2017 and 2019. The yellow phosphor coating was delaminating, and the blue LED](https://external-preview.redd.it/til-since-2020-white-led-streetlights-have-been-turning-v0-XceV_nRvI4tIDDuPzkNpiRFf4JlSUJPE5a_k9i3GxRs.jpg?width=1080&crop=smart&auto=webp&s=146ba6bd76ea2fb83443435380094bd2b1caecfc)
TIL since 2020, white LED streetlights have been turning purple because of a defect during the manufacturing process between 2017 and 2019. The yellow phosphor coating was delaminating, and the blue LED
![These blue street lights are a little weird, but made for some really neat photos of the N : r/VelosterN These blue street lights are a little weird, but made for some really neat photos of the N : r/VelosterN](https://i.redd.it/wjvahc6xpjr81.jpg)
These blue street lights are a little weird, but made for some really neat photos of the N : r/VelosterN
![What is with the new blue street lights? In no way can these be better than the white LED lights. : r/LosAngeles What is with the new blue street lights? In no way can these be better than the white LED lights. : r/LosAngeles](https://preview.redd.it/f6ponftybej91.jpg?auto=webp&s=3af4d67d27ceacedb384ba323dc3e0fb9414c196)
What is with the new blue street lights? In no way can these be better than the white LED lights. : r/LosAngeles
Is it true that Japan has blue traffic lights? If so, what do they look like? (i.e. please upload photos of blue traffic lights for me) - Quora
![Blue Light From LED Street Lights - The American Medical Association's New Policy Guidelines - Reading Glasses Etc Blue Light From LED Street Lights - The American Medical Association's New Policy Guidelines - Reading Glasses Etc](https://www.readingglassesetc.com/product_images/uploaded_images/led-street-lights.jpg)
Blue Light From LED Street Lights - The American Medical Association's New Policy Guidelines - Reading Glasses Etc
![Why are Fort Worth street lights purple? The answer is not tied to TCU football — despite its success | Fort Worth Report Why are Fort Worth street lights purple? The answer is not tied to TCU football — despite its success | Fort Worth Report](https://i0.wp.com/fortworthreport.org/wp-content/uploads/2022/12/Screen-Shot-2022-12-02-at-3.14.25-PM.png?fit=1918%2C1356&quality=80&ssl=1)
Why are Fort Worth street lights purple? The answer is not tied to TCU football — despite its success | Fort Worth Report
![LED Street Lights: Good for the Environment, Bad for Night Vision? Karl Citek, OD, PhD, of the AOA, Sheds Light on the Topic - Ocular Health LED Street Lights: Good for the Environment, Bad for Night Vision? Karl Citek, OD, PhD, of the AOA, Sheds Light on the Topic - Ocular Health](https://clf1.medpagetoday.com/assets/images/resource-center/cs-led-street-lights-63502.jpg)