本发明公开了一种多波长芯片组合激发的LED光源，包括支架或基板，设置在所述支架或基板上的不同波长的LED芯片，以及设置在所述LED芯片上的荧光粉；所述LED芯片的波长为涵盖在400‑480nm之间范围的混合波长。本发明的白光LED光源将不同波长范围的芯片有规律的组合并激发其相应的荧光粉实现了降低有害蓝光占比，从而避免了蓝光对人眼的危害。本发明的LED光源在增加显色及迎合了人体昼夜节律的同时降低了有害蓝光占比，提供了更高品质、更加健康的照明环境

The invention discloses a multi-wavelength chip combination excitation LED light source. The LED light source comprises a support or a substrate, LED chips of different wavelengths disposed on the support or the substrate, and fluorescent powder disposed on the LED chips. The wavelengths of the LED chips are mixed wavelengths within a range between 400 and 480 nm. The white LED light source of theinvention regularly combines the chips in different wavelength ranges and excites the corresponding fluorescent powder of the chips to reduce the ratio of harmful blue light, thereby avoiding the harm of the blue light to the human eyes. The LED light source reduces the ratio of harmful blue light while increasing color rendering and catering to the human circadian rhythm, and provides a higher-quality, and healthier lighting environment.