HDSP-2131_07 Datasheet, PDF (16/16 Pages) AVAGO TECHNOLOGIES LIMITED – Eight Character 5.0 mm (0.2 inch) Glass/Ceramic Intelligent 5x7 Alphanumeric Displays for Military Applications

Contrast Enhancement
When used with the proper con-
trast enhancement filters, the
HCMS-213x/-2179 series displays
are readable daylight ambients.
Refer to Application Note 1029
Luminous Contrast and Sunlight
Readability of the HDSP-235x
Series Alphanumeric Displays
for Military Applications for
information on contrast en-
hancement for daylight ambients.
Refer to Application Note 1015
Contrast Enhancement Techniques
for LED Displays for information
on contrast enhancement in
moderate ambients.
Intensity Bin Limits
Intensity Range (mcd)
Bin
Min.
Max.
G
2.50
4.00
H
3.41
6.01
I
5.12
9.01
J
7.68
13.52
K
11.52
20.28
Note: Test conditions as specified in Optical
Characteristic table.
Night Vision Lighting
When used with the proper NVG/
DV filters, the HDSP-2131, HDSP-
2179 and HDSP-2133 may be used
in night vision lighting applica-
tions. The HDSP-2131 (yellow),
HDSP-2179 (orange) displays are
used as master caution and
warning indicators. The HDSP-
2133 (high per-formance green)
displays are used for general
instrumenta-tion. For a list of
NVG/DV filters and a discussion
on night vision lighting technol-
ogy, refer to Application Note
1030 LED Displays and Indicators
and Night Vision Imaging System
Lighting. An external dimming
circuit must be used to dim these
displays to night vision lighting
levels to meet NVIS radiance
requirements. Refer to AN 1039
Dimming HDSP-213x Displays to
Meet Night Vision Lighting Levels.
Color Bin Limits
Color Bin
Green 1
2
3
4
Yellow 3
4
5
6
Color Range (nm)
Min. Max.
576.0 580.0
573.0 577.0
570.0 574.0
567.0 571.5
581.5 585.0
584.0 587.5
586.5 590.0
589.0 592.5
Note: Test conditions as specified in Optical
Characteristic table.
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Data subject to change. Copyright © 2007 Avago Technologies Limited. All rights reserved. Obsoletes 5989-3182EN
AV02-0190EN March 6, 2007