System and method for selective activation of display backlight illumination
A system and method for the selective illumination of a display backlight, the system including a plurality of light sources configured in an array, a plurality of switches electrically connected to the plurality of light sources, and at least one substrate configured to receive the plurality of light sources and the plurality of switches, wherein the plurality of switches are configured to operate at least a portion of the plurality of light sources based upon a control signal, and wherein the at least one substrate includes a power supply connection.
1. A vehicle digital instrument cluster display comprising:
a liquid crystal display (LCD) configured to display images;
a backlight cooperating with the LCD to illuminate the LCD, the backlight including:
an array of light emitting diodes (LEDs) having at least a first portion of LEDs and a second portion of LEDs,
a plurality of switches electrically connected to the array of LEDs, wherein the plurality of switches includes a first portion of switches electrically connected to the first portion of LEDs and a second portion of switches electrically connected to the second portion of LEDs, and
at least one substrate configured to receive the first portion of LEDs and the second portion of LEDs; and
a system for illuminating the array of LEDs of the backlight,
wherein the plurality of switches are configured to be individually activated to conserve power consumption of the backlight by selectively illuminating at least a portion of the array of LEDs, and
wherein the system transmits a control signal to the plurality of switches to activate and selectively illuminate at least a portion of the array of LEDs to illuminate one or more sections of the LCD with the backlight.
2. The display of claim 1 , wherein the first portion of LEDs are configured in parallel.
3. The display of claim 1 , wherein the second portion of LEDs are configured in parallel.
4. The display of claim 1 , wherein the plurality of switches are configured to electrically connect a plurality of electrical potentials to allow current flow, wherein the plurality of switches are solid-state and/or mechanical switches.
5. The display of claim 1 , wherein the plurality of switches are configured on the at least one substrate to be selectively activated in at least the first portion of the plurality of switches and the second portion of the plurality of switches.
6. The display of claim 1 , wherein the at least one substrate is a flexible printed circuit (FPC).
7. The display of claim 1 , wherein the at least one substrate is a printed circuit board (PCB).
8. The display of claim 1 , wherein the at least one substrate is configured to be connected to a power supply.
9. The display of claim 1 further comprising at least one cable, to interconnect at least a first substrate and a second substrate.
10. The display of claim 1 , wherein LCD further comprises one or more display sections that are selectively illuminated by the backlight to conserve power consumption of the display.
11. A backlight for use in combination with a liquid crystal display (LCD) displaying images for a vehicle digital instrument cluster display comprising:
a plurality of light emitting diodes (LEDs) configured in an array for the backlight, wherein the plurality of LEDs includes at least a first portion of LEDs and a second portion of LEDs;
a plurality of switches electrically connected to the plurality of LEDs for the backlight, wherein the plurality of switches include a first portion of switches electrically connected to the first portion of LEDs and a second portion of switches electrically connected to the second portion of LEDs;
at least one substrate of the backlight configured to receive the plurality of LEDs and the plurality of switches; and
a system for illuminating the plurality of LEDs,
wherein the plurality of switches are configured to be individually activated to conserve power consumption of the backlight by selectively illuminating at least a portion of the plurality of LEDs,
wherein the system transmits a control signal to the plurality of switches to activate and selectively illuminate at least a portion of the plurality of LEDs to illuminate one or more sections of the LCD with the backlight.
12. The backlight of claim 11 , wherein the first portion of LEDs are configured in parallel.
13. The backlight of claim 11 , wherein the second portion of LEDs are configured in parallel.
14. The backlight of claim 11 , wherein the plurality of switches are configured to electrically connect a plurality of electrical potentials to allow current flow, wherein the plurality of switches are solid-state and/or mechanical switches.
15. The backlight of claim 11 , wherein the plurality of switches are configured on the at least one substrate to be selectively activated in at least the first portion of the plurality of switches and the second portion of the plurality of switches.