Patent ID: 9161411
Filing Date: 2015-10-13
Classification: B60K,B60Q,G01D,H05B

Abstract:
1. A vehicle display illumination system comprising: a controller including a controller serial peripheral interface (SPI) connection; at least one constant current source having a current source SPI connection, wherein the controller SPI connection is communicatively coupled to the current source SPI connection, the at least one constant current source further comprising a plurality of output current channels, and the at least one constant current source including a voltage input connected to a variable voltage vehicle power source; a plurality of light sources, wherein each of said light sources is connected to at least one of said plurality of output current channels; and wherein said controller includes a memory storing instructions operable to cause the controller to alter an output current on at least one of said output current channels thereby altering at least one of a brightness and a color of a corresponding light source in response to a received status from another vehicle system.