| Title |
A Study of the Stable Colors Variation Circuit of High Brightness LEDs |
| Authors |
유용수(Yu, Yong-Su) ; 송상빈(Song, Sang-Bin) ; 여인선(Yeo, In-Seon) |
| Keywords |
Color variation circuit ; High brightness LED ; PWM control ; Microcontroller |
| Abstract |
This paper Presents to choose number of RGB LED through optical special quality analysis of RGB LED samples and to produce ratio of RGB LED for a stable color variation and white light. Also, it is to design of a simple switching circuit using some resistances and switching transistors that is able to operate each 16 RGB LED stably, and switching control circuit base on a microcontroller that would be suitable for colors variation patterns control more than about 64 patterns and colors variation more than about 100,000 colors using ON/OFF and Duty control. |