Integrator array for HUD backlighting

Details Integrator array for HUD backlighting Integrator array for HUD backlighting

2011-04-26

2011-04-26

Qi, Mike (Department: 2871)

Liquid crystal cells, elements and systems

Liquid crystal system

Heads-up display

C349S061000, C349S062000

Reexamination Certificate

active

07932960

ABSTRACT:
An system for providing uniform and focused backlighting to a liquid crystal display (LCD) can be provided. The system can include at least one light source that emits light rays. The system can include at least one column having a first end positioned adjacent to the at least one light source, a second end adapted to be positioned adjacent to the LCD and a plurality of walls. The system can include an optical receptor coupled to the first end of the at least one column, which can include an angled side wall that can be coupled to the walls of the at least one column. The light rays from the at least one light source can be totally internally reflected by the angled side wall and walls to create at least one virtual light source to backlight the LCD.

REFERENCES:
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patent: 5008658 (1991-04-01), Russay et al.
patent: 5657163 (1997-08-01), Wu et al.
patent: 5709463 (1998-01-01), Igram
patent: 6906836 (2005-06-01), Parker et al.
patent: 6979094 (2005-12-01), Venkatram
patent: 7273291 (2007-09-01), Kim et al.
patent: 7300183 (2007-11-01), Kiyomoto et al.

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