Matrix display with matched solid-state pixels

Details Matrix display with matched solid-state pixels Matrix display with matched solid-state pixels

1996-08-29

2000-06-27

Vu, David H.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315158, 345 55, H05B 3702

Patent

active

060810734

ABSTRACT:
A display matrix having LED lamps is arranged so that brightness variations between the lamps, due to the lamps having different characteristics from each other, is reduced. A process for setting up the display using an electronic camera is described. The system is arranged so that the brilliance of the lamps is automatically maximised when the sun is shining on the face of the display.

REFERENCES:
patent: 4825201 (1989-04-01), Watanabe et al.
patent: 5262698 (1993-11-01), Dunham
patent: 5428265 (1995-06-01), Booth, Jr. et al.
patent: 5594463 (1997-01-01), Sakamoto
patent: 5717417 (1998-02-01), Takahashi
PCT International Search Report in International Application PCT/GB 97/01315; dated May 2, 1998.

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