LCD VIEWING ANGLE ADJUSTMENT FOR AUTOMOTIVE INSTRUMENT
Original Publication Date: 1987-Oct-01
Included in the Prior Art Database: 2001-Oct-25
This invention relates to a front panel (dashboard) automotive electronic instrument having a liquid crystal type display, a microprocessor control module, and a limited number(3 or less) of front panel pushbutton switches accessible to thevehicle user. In addition, anon-volatile memory, as part of the module, isdesirable. This inven- tion makes use of the known fact that changing the backplane voltage of a liquid crystal display will cause the optimum viewing angle to change.