The challenge and solution of automotive LED lighting drive design

[Introduction] The automotive environment poses a huge challenge for LEDs. LEDs must provide stable light output. Even if the electrical conditions and heat dissipation conditions around the headlights change constantly, the flux and color point of the lights must remain constant. This pa

Dajin Dongfang Lighting issued a warning for half a year

On August 15th, Dajin Dongfang Lighting (00515-HK) issued a profit warning. It is expected that the results for the six months ended June this year will be a loss compared with the same period in 2013.

The loss in performance was due to the d

Multi-faceted analysis of LED street lights

At present, the light source used for road lighting is mainly high-pressure sodium lamp, and the initial light efficiency of the light source is above 100 lm/W, while the high-power LED device on the market has a luminous efficiency of about 90-100