Configure a systemQuote

Backlights

165 x 165 mm Opening back light source (KHFS) (LS-KHFS165165Y35)

Model LS-KHFS165165Y35

Backlight with high-density LEDs at the bottom and a round or square hole through the centre so it can also be used as front lighting through the light. Good uniformity, soft natural light and high brightness; sizes and holes can be customized.

$179.00 USDIn stock · 2 available

Inventory updated Oct 15, 2026

0.90 kg shipping weight · Ships in 2-3 weeks
Colour

Need volume or project pricing?

Build a system with this light → Matching lens, light, controller and cables, checked for fit

  • Secure checkout by ShopifyCard, PayPal, Venmo, Shop Pay or Google Pay
  • 90-day returnsUnused items; free return label in the US · Returns policy
  • Tracked UPS or DHL shippingExact cost shown at checkout · Shipping policy
  • Questions about fit?Contact us; we reply within one business day

Features

  • High density LED distributed at the bottom of the light source
  • Good uniformity, soft and natural light, high brightness
  • Flexible size, convenient customization, wide range of applications (square or round hole can be opened)
  • A variety of installation methods, easy to install

Specifications

ModelLS-KHFS165165Y35
Wavelength red620-630 nm
Wavelength green520-530 nm
Wavelength blue465-475 nm
Colour temperature white6000-6500 K
Wavelength IR850-940 nm
Wavelength UV365-405 nm
Storage temperature20 to 60 °C
Operating temperature0 to 40 °C
Humidity20-85 %RH (non-condensing)
Optional accessoriesExtension cable
ControllerLS-DPS series, LS-APS series, LS-SPS series (the selected controller should match the power of the light source)
Service life (red)60000 h continuous at 25 °C, 50% illumination, to 50% decrement
Service life (white)30000 h continuous at 25 °C, 50% illumination, to 50% decrement
Warranty1 year from shipment (faults not caused by the user: free repair or replacement)
Illuminance chart referenceLS-KHFS150150F1815-W; uniformity LS-KHFS165165Y35 at LWD 100 mm, FOV 200 x 200 mm
Power R (W)19
Power G/B/W (W)38
Luminous size (mm)165 x 165
Overall L (mm)185
Overall W (mm)185
Overall H (mm)19
Recommended controllerLS-DPS, LS-APS, LS-SPS
OpeningRound viewing window dia. 35 mm (shadow area dia. 46 mm, drawing)
Mounting (drawing)2x2-M4 depth 6 (two sides)
Cable length (mm, drawing)500
Shipping weight0.90 kg

Applications

  • Ceramic surface pattern inspection
  • Tablet appearance inspection
  • Carton positioning
  • Compressor surface defect inspection
  • Key character recognition of remote controls
  • LED substrate inspection
  • External contour edge positioning
Complete the station

The configurator matches a camera, lens, light, light controller and cables to each other, and to this part.

Configure a system Selection guide

Other sizes in the Opening back light source (KHFS) series

ModelSizePowerColoursPriceAvailability
LS-KHFS7878F303078 x 78 mm6.3 W $99.00 9 in stockView
LS-KHFS9898F3098 x 98 mm9.7 W $109.00 12 in stockView
LS-KHFS10585Y20105 x 85 mm8.4 W $109.00 16 in stockView
LS-KHFS120120Y35120 x 120 mm13 W $129.00 17 in stockView
LS-KHFS200100Y35200 x 100 mm17 W $149.00 14 in stockView
LS-KHFS190130F30190 x 130 mm26 W $169.00 13 in stockView
LS-2KHFS180150Y35180 x 150 mm24 W $169.00 12 in stockView
LS-KHFS200200Y45200 x 200 mm36 W $219.00 15 in stockView
LS-KHFS250200Y35250 x 200 mm49 W $259.00 13 in stockView
LS-2KHFS300200Y35300 x 200 mm54 W $289.00 17 in stockView
LS-KHFS250250Y50250 x 250 mm51 W $299.00 15 in stockView
LS-KHFS320320Y50320 x 320 mm81 W $439.00 11 in stockView
LS-KHFS350350Y50350 x 350 mm105 W $519.00 16 in stockView