Liquid crystal color display suitable for night-sight glasses

Details Liquid crystal color display suitable for night-sight glasses Liquid crystal color display suitable for night-sight glasses

2007-05-29

2007-05-29

Osorio, Ricardo (Department: 2629)

Computer graphics processing and selective visual display system

Image superposition by optical means

Operator body-mounted heads-up display

C345S032000

Reexamination Certificate

active

10965896

ABSTRACT:
In a night vision goggle compatible color liquid crystal display, liquid crystal cells (10, 11,and12) are arranged in a matrix in which three adjacent liquid crystal cells are respectively provided with a red, green, and blue filter. The liquid crystal cells are driven by drive circuit (17). The drive circuit (17) is controlled by a control device (15) with red, green, and blue pixel information. The brightness of a backlight source of the color display can be switched from a high value in a daytime operation to a low value for a nighttime operation. To optimize the night vision goggle compatible color liquid crystal display, the control device (15) switches off the driver of the liquid crystal cells with the red filters during the nighttime operation.

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