APPLICATION NOTES: Dominant SPNova Compatible Secondary Lenses & Reflector Introduction: Secondary lenses and reflector cup are used to modify the output beam of the LED so that the radiation pattern will efficiently meet the desired photometric specification. Majority of the secondary lenses manufacturers will specify : light distribution angle, light extraction efficiency, lenses material type and lenses attachment method on their datasheet. While reflector cup manufacturers will specify : cup material, coating, reflector field projection, illumination pattern and light extraction efficiency on their datasheet. SPNova Package Dimension Figure 1 shows the package dimension of Dominant SPNova. There are several major LED manufacturers produce their LED packages with similar footprint. Thus, there is a wide range of secondary lenses choice available for Dominant customer that is using SPNova. Secondary lenses holder with the following criteria would fit well with SPNova package and with good optical coupling efficiency : ( i ) Bottom opening of 7mm X 6mm and ( ii )The height from the bottom of the lenses to the bottom plane of the holder of 1.5mm – 2.5mm 12/07/11 -1- Ver D SPNova Compatible Secondary Lenses & Reflector Figure 1: Dominant SPNova Package Dimension SPNova Compatible Secondary Lenses Summarized below is a list of 4 key secondary lenses manufacturers that Dominant has confirmed compatible to SPNova. There are many more lenses that are compatible to SPNova available in the market. Customer is recommended to assess the suitability of these secondary lenses to their application prior mass production. 1. Gaggione Lenses Compatible To Dominant SPNova Photo Dominant Measured Viewing Rated Viewing Angle On Angle NPW-TSD Manufacturer Model No Lense Type ( Degree ) ( Degree ) Gaggione LL9,16 Wide Angle 18 X 32 16 X 29 Description Wide Angle Lense For SPNova White And Mono Color SPNova Gaggione 12/07/11 LLRGB Diffused -2- N/A 26 Ideal For SPNova White LED Holder Model Gaggione Holder With Height, X =10.35mm Gaggione Holder With Height, X =10.35mm Ver D SPNova Compatible Secondary Lenses & Reflector Photo Dominant Measured Viewing Rated Angle On Viewing NPW-TSD Angle Manufacturer Model No Lense Type ( Degree ) ( Degree ) Description Gaggione Gaggione Gaggione LL7 LL10 LL17 Spot Spot Flood 14 20 34 13 18 35 Spot Lense For Mono Color SPNova Spot Lense For Mono Color SPNova Flood Lense For Mono Color SPNova Holder Model Gaggione Holder With Height, X =10.35mm Gaggione Holder With Height, X =10.35mm Gaggione Holder With Height, X =10.35mm Note: The Gaggione holder is semi transparent by design: 12/07/11 -3- Ver D SPNova Compatible Secondary Lenses & Reflector 2. Lumilens Lenses Compatible To Dominant SPNova Photo Manufacturer Lumilens Lumilens Lumilens Lumilens Lumilens Dominant Measured Rated Viewing Viewing Angle Angle ( Degree ) ( Degree ) Description Lense Type Model No WS2-20F Flood WS2-19S 30 Spot WS2-19W Wide Angle WS1-120F-C WS1-120S-C 15 15 X 30 Flood 30 Spot 15 Holder Model 30 Ideal For SPNova White LED Lense With Holder Attached 17 Spot Lense For Mono Color SPNova LED With Diameter =19mm Lense With Holder Attached 13 X 30 Wide Angle Lense For Mono Color SPNova Lense With Holder Attached 24 Use To Change Lense With White LED Holder Light To Attached Warm White 24 Use To Change White LED Light To Warm White Lense With Holder Attached 3. GEO Lenses Compatible To Dominant SPNova Photo Manufacturer GEO 12/07/11 Model No GS-7120A Lense Type Flood -4- Rated Viewing Angle ( Degree ) 30 Dominant Measured Viewing Angle On NPW-TSD ( Degree ) 23 Description Holder Model Holder With Ideal For Bottom Opening SPNova 6mm x 7mm & White LED height <2.5mm Ver D SPNova Compatible Secondary Lenses & Reflector 4. Carclo Lenses Compatible To Dominant SPNova Photo 10193 Plain Narrow 20mm 10 10195 Medium Frosted 20mm 10196 Wide Frosted 20mm Manufacturer Model No Carclo Carclo Carclo Carclo Carclo 10208 10209 Ripple Medium 20mm Ripple Wide 20mm 19 32 14 19 Dominant Measured Viewing Description Angle ( Degree ) 15 40 Wide angle lenses use to 10148/10149 homogenous light pattern 17 Narrow angle lenses use to produce 10148/10149 homogenous round light pattern 31 Wide angle lenses use to produce 10148/10149 homogenous round light pattern 42 X 14 Use for narrow elliptical light 10148/10149 emission pattern Use for wide elliptical light 10148/10149 emission pattern Carclo 10198 Elliptical Orthogonal 20mm 8 X 39 14 X 43 Carclo 10048R2 Plain Tight 26.5mm 6 17 -5- Use for spot 10148/10149 light emission 23 Elliptical 20mm 39 X 8 Holder Model Narrow angle lenses use to produce 10148/10149 homogenous light pattern 10197R2 Carclo 12/07/11 Lense Type Rated Viewing Angle ( Degree ) Use for spot 10086/10087 light emission Ver D SPNova Compatible Secondary Lenses & Reflector Photo Manufacturer Model No Lense Type Rated Viewing Angle ( Degree ) Dominant Measured Viewing Description Angle ( Degree ) Narrow angle lenses use to produce 10086/10087 homogenous light pattern 10124 Frosted Narrow 26.5mm Carclo 10108 Frosted Medium 26.5mm 19 22 Carclo 10049R2 Elliptical 26.5mm 46 X 8 42 X 15 Carclo 8 Holder Model 17 Wide angle lenses use to produce 10086/10087 homogenous light pattern Use for elliptical light 10086/10087 emission Carclo Lenses Holder Which Compatible To Dominant SPNova Photo Manufacturer Model No Colour Diameter (mm) Carclo 10148 Black 20.0 Carclo 10149 Clear 20.0 Carclo 10086 Black 26.5 Carclo 10087 White 26.5 The website for these 4 companies are stated as below : Company Gaggione Lumilens Genius Electronic Optical Carclo Optics 12/07/11 Website www.gaggione.com www.lumilens.com.cn www.gseo.com www.carclo-optics.com -6- Ver D SPNova Compatible Secondary Lenses & Reflector Reflector Cup Specifications: Photo Manufacturer Model No Device-Giant N/A Dominant Measured Viewing Angle Reflector Dimension Type ( Diameter x Height ) ( Degree ) Description Cup Material Parallel parabolic 2.158 inch X 0.924 inch 35 Ideal For far field projection & street light module Aluminium with Silver coated to enhance reflectivity Figure 2: Parabolic far field projection with Dominant SPNova By using Dominant SPNova 1 Watt white LED ( NPW-TSD ) to couple with reflector cup, we can achieve a uniform round illumination pattern of 70 centimeters diameter with >30 lux illuminance at 5 meter distance. Supplier details for SPNova compatible reflector cup : Company Device Giant 12/07/11 Website www.device-giant.com.tw -7- Ver D SPNova Compatible Secondary Lenses & Reflector Summary Other than the 3 standard 15 Degree, 23 Degree and 35 Degree lenses that Dominant carries in its product portfolio and the reflector cups that Dominant suggests in its product portfolio, there are more choices of lenses and reflector cups that are compatible to Dominant SPNova package available in the market. Customer can freely choose compatible lenses and reflector cups supplier based on their specific geographical region, cost consideration and special application needs. 12/07/11 -8- Ver D