Contact Us Visiontek Systems Ltd.
Glass for Electronic & Industrial Applications
HNCP Circular Polarizing Filter
Circular polarizers
HNCP Circular polarisers are highly effective at eliminating "wash out" caused by ambient light reflected from the display. Available standards are HNCP37 and HNCP42. Please click here for a table of our full range of circular polarizers.
Circular polarizers modify ambient light as it passes through the filter and traps the mirror image on reflection from the surface of the display. The signal from the display is allowed to pass through the filter and appears as a bright image against a dark background.
Circular polarizers are available in plastic laminations of 0.25, 0.76, 1.83 and 3.3mm thickness. Glass laminates are also available in various thickness from 3.0mm.
Typical
display types where circular polarizers are used include
LED's, CRT's, electro luminescent, vacuum fluorescent
and LCD.
The idea sunlight readability solution is achieved when
a circular polarizer is combined with an anti-reflective
or non-glare surface finish. Visiontek Systems use dry
film lamination process to manufacture these custom
solutions in glass and plastics.
HNCP 37 and HNCP 42
Visiontek Systems can continue to offer Polaroid HNCP37
circular polarizer.
Neutral in colour the designation 37 refer to the
approximate single pass light transmission at 550nm.
| Specifications | |
| Single transmission av | 42.0 (450-800nm) |
| Double transmission av | 0.01 (560nm) |
| Polarizing efficiency av | > 99.8 (450-800nm) |
| Durability | Heat 70° x 240h |
| Humidity 40° x 90% RH x 240h | |
| Standard sheet size | up to 600 x 500mm |
| Glass laminated filters | 3.2mm thickness upwards and in sizes up to 475 x 1270mm |
| Surface finish options | Non-glare and anti-reflective coating on glass laminations. |
| Please contact us for details on the custom laminations in glass or plastic and the supply of precision cut filters. | |
Also available, HNCP10, HNCP42 and a range of coloured polarizers. Please click here for a table of our full range of circular polarizers.
Polarizers
can be laminated to glass or plastics to enhance the
impact resistance or to add further features such as
anti-reflective surface finishes or emi shielding.
Contrast
Enhancement filter
EmiClare CPOL
Also available, linear polarisers
VisionTek Systems Ltd.
1 The Acorns
Upton
Chester
Cheshire CH2 1JL
United Kingdom
Tel : 44 (0) 1244 370203
Fax : 44 (0) 1244 241241
e-mail: visiontek.sales@gmail.com