Advanced Backlit HMI Solutions

Illuminated Keyboard

Precision backlit keyboards designed for operational visibility in low-light and tactical environments. Featuring customizable LED backlighting, Electroluminescent (EL) foils, and fiber optic light guides - configured to match NVIS night-vision compliance, color zoning, and IP65/IP67 environment sealing.

High-Uniformity LEDs / EL Foils NVIS Night-Vision Compatible Made in India
Illuminated Backlit Keyboard
LED & EL TechMulti-Source Backlit
NVIS SafeMIL-STD-3009 Compliant
IP67 SealingWater & Dust Sealed
Uniform LightBacklighting Output
LED / EL / FiberIllumination Sources
NVIS SafeNight Vision Specs
Up to IP67Sealing Ingress
50,000 HoursIllumination Lifespan
Operational Visibility

Precision backlit technology for military cockpits, marine bridges, and dark cleanrooms

Designed to provide legible, comfortable, and reliable key visibility where standard key labels would be invisible or create distracting glare for dark-adapted operators.

Uniform LED Backlighting

Individual key or array-based SMD LED illumination. Custom diffusion plates distribute light uniformly across all key labels and borders, eliminating hot spots.

Electroluminescent (EL) Foils

Ultra-thin (less than 0.3mm) EL foils provide completely flat, low-power, and smooth illumination across large surfaces. Perfect for slim membrane layouts.

NVIS Compatibility

Fully compliant with MIL-STD-3009 NVIS (Night Vision Imaging System) parameters. Zero infrared emissions keep the display invisible to night-vision gear.

Dynamic Light Zoning

Define multi-color indicator zones, color-changing functional groups, warning frames, or custom flashing patterns to guide user interactions.

Fiber Optic Light Guides

Integrate micro fiber-optic films to channel light from remote LEDs. Offers absolute safety in high-EMI or hazardous explosion-prone zones.

Tough Environmental Sealing

Fully sealed front overlays lock out dust, moisture, liquids, and solvents. Keetronics backlit keyboards retain illumination performance even under IP65/IP67 washing.

Illuminated Membrane Keyboard Technology
Advanced Backlight Technology

Precision illumination engineered from the back can out

We configure the ideal illumination technology based on your power budget, overlay thickness, and environment. From surgical cleanroom panels utilizing monochrome red backlighting for eye fatigue reduction to defense cockpit units with night-vision filtering, Keetronics provides fully calibrated light panels.

  • Custom laser-etched / sub-surface printed symbols for wear-free graphics
  • Adjustable brightness control interfaces (Pulse Width Modulation - PWM)
  • Thin-profile light guides (down to 0.5mm thickness)
  • Strict quality testing for color temperature, luminance, and current draw
Technical specifications

The numbers behind the build

Illumination & Source

Backlight sourceSMD LED, EL Foil, Fiber Optic
UniformityMin 80% across keys
ColorsWhite, Green, Blue, Red, Amber
NVIS complianceNVIS Green A / Green B safe
Dimming controlPWM (0% to 100% control)

Physical & Construction

Keyboard typesMembrane, Silicone, Dome
Overlay materialsPolyester, Polycarbonate, Glass
Panel thickness0.8mm to 6.0mm support
Switch lifeUp to 5 Million cycles
Ingress sealingIP65 / IP67 certified

Environmental

Operating temp.−40 to +80°C
Storage temp.−45 to +85°C
Humidity limit95% RH (non-condensing)
Thermal shockMIL-STD-810H compliant
Luminance life50,000 Hours (half-life)

Electrical & Interface

Operating voltage5V DC, 12V DC, or USB bus
Max current< 150mA (typical layout)
InterfacesUSB, PS/2, Matrix, Serial
ESD protectionAir ±15kV / Contact ±8kV
OriginMade in India
Illumination Control

Flexible controls for hardware developers

PWM
PWM Dimming Control

Allows system controllers to change LED backlight level dynamically via PWM inputs, adapting to ambient light changes.

NVIS
NVIS Night-Vision Filters

Specially designed color glass filters and coatings block out near-infrared radiation, preventing NVG saturation.

ATEX
Intrinsic Fiber Safety

By piping light through non-conductive glass/plastic fibers, the keyboard is 100% spark-free and safe in zone 0 ATEX atmospheres.

GRAF
Sub-surface Printed Graphics

Key legends are printed behind chemical-resistant overlay foils so the backlit symbols never wear off from repeat cleaning.

Configure to spec

Optional features

Tailor the illumination layout, colors, and environment specifications.

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Single-Key BacklightingIndividually controlled LEDs for status indication and active functional keys.
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NVIS-Grade Green BacklightFully certified NVIS Green A filter films for defense aviation cockpit panels.
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Tactile Metal Dome IntegrationSnappy physical feedback combined with clear key-border backlight halos.
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Sealed Brightness ButtonsDedicated on-panel keys to cycle backlight intensity through pre-set levels.
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Dual-Mode Color BacklightToggle colors between normal day mode and tactical night-vision safe mode.
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Anti-Fingerprint Overlay FilmHydrophobic matte foils that eliminate glare and fingerprint smudges.
Where it works

Applications

Defence & Tactical
Marine Navigation
Aviation Controls
Medical Cleanrooms
ATEX Gas Plants
Outdoor Terminal Kiosks

Ready to spec it
for your system?

Tell us your lighting requirements, NVIS needs, power constraints, and visual branding desires - we'll design a keyboard that qualifies.

LED, EL, and Fiber Sources
MIL-STD NVIS Night Vision
Submersible IP67 Sealing
32+
Years
Experience
2000+
Projects
Completed
1000+
Satisfied
Clients

Trusted by leading organizations across defence, medical, industrial, and railway sectors worldwide.