RGB LED LIGHT ENGINE handbook
Contents
1. cavities each populated with multiple LEDs In the RGB light engine each cavity contains multiple red green and blue LED die for optimal color uniformity a unique feature made pos sible with Lamina s packaging techology Typical Applications SIGNAGE amp CHANNEL LETTERS e ViDEO DisPLAY BOARDS e LED BILLBOARDS e JUMBOTRON SIGNS ARCHITECTURAL LIGHTING e DECORATIVE AND MINI ACCENT e COVE AND UNDER SHELF e GARDEN AND PATHWAY e STEP LIGHTS LCD BACKLIGHT e COMPUTER DISPLAYS e Heaps UP DisPLays MACHINE VISION To see how you can realize all these design benefits to request a sample or to speak with an engineer about your design contact Lamina at 800 808 5822 or 609 265 1401 or visit www laminaceramics com lamina r Bright Lights Bright Ideas Technical Data ATTACHMENT RECOMMENDATIONS Dominant Wavelength R A Lamina s BL 2000 Series is configured with solder pads compatible with Sn63 or Sn62 solder As with many electrical devices non acid RMA type sol der flux should be used to pre pare the solder pads before application of solder If wire attachment is performed with a soldering iron care must be taken to minimize heat transfer Thermal Resistance Tp 4 4263 C W to the die and minimize leach eS ea LE Tn LS a ae ing of the solderable pads w gt gt Voltage OO Test Current Power NOVA IP BO Luminous Flux D2 7 0 DD WD WD veo Note 1 Optical and Electrical spe2. ance and the desired operating power level Typical Beam Pattern 100 Junction Temperature Rise Tj rise Operating Power P x Lamina Array Thermal Resistance Tr The appropriate heat sink may then be determined by AIQ r m lt 4prm3 Heat Sink Thermal Resistance C W 125 Tj rise Maximum Ambient Temperature P OPTICAL RECOMMENDATIONS 7 Lamina LED arrays project a ANGLE Lambertian radiation pattern with projection angles built into the package cavity at approxi mately 125 It will be neces sary for users to create an opti cal reflector and lens structure that meets their light disper sion requirements Please con tact Lamina Application Engineering for support with your optical needs See epee ene dee eeen ee eee apes eeeeeclsewceed lt 4 OzZm4az To see how you can realize all these design benefits to request a sample or to speak with an engineer about your design contact Lamina at 800 808 5822 or 609 265 1401 or visit www laminaceramics com lamina Bright Lights Bright Ideas Luminous Flux with Junction Temperature a see 0 20 40 TEMPERATURE C REV 10 01 04 LIGHT OUTPUT VS JUNCTION TEMPERATURE Light output from LED die will decrease with increasing junc tion temperature This effect is particularly acute for die in the 580 to 750 nm range As a result we recommend that the LED array heat s
3. cifications are given for the specified drive current at a 25 C junction temperature Note 2 Values for operating all colors at rated current ASSEMBLY RECOMMENDATIONS Lamina BL 2000 LED arrays are designed for attachment to heatsinks with conductive 4X MOUNTING HOLE epoxy or screw down for flange FOR 2456 SCREW mount devices with thermal grease in the joint In limited cases thermal transfer tape can be used but will generally result in higher than desired thermal resistance creating excessive heat and reducing light output and die life Mechanical Specifications 0 555 14 10 sQ 1 0 100 2 54 MAX l To see how you can realize all these design benefits to request a sample or to speak with an engineer about your design contact Lamina at 800 808 5822 or 609 265 1401 or visit www laminaceramics com lamina Bright Lights Bright Ideas Electrical Connections Heat SINK APPLY V APPLY V RECOMMENDATIONS VOLTAGE HERE VOLTAGE HERE RED Lamina LED arrays provide effi cient transfer of heat from the individual LED die to a cus tomer supplied heat sink All Lamina LED arrays must be operated at or below 125 C A heat sink must be attached to the array with sufficient cooling capacity to keep the die junc tion below 25 C The tempera ture rise from the array base to te o the die junction may be deter BLUE mined by calculating the prod uct of the maximum package thermal resist
4. ink design be optimized to maintain the die junction temperature as low as possible ESD PROTECTION LEDs are static sensitive and susceptible to Electrostatic Discharge ESD damage Lamina LED arrays must be handled using ESD damage control precautions HANDLING PRECAUTION Contact with the silicone based encapsulant on the surface of the light engine must be avoid ed to prevent damage Do not apply pressure to the silicone based encapsulant or allow it to come into contact with sharp objects Lamina LED arrays must be handled from the sides Lamina Ceramics 120 Hancock Lane Westampton NJ 08060 Specifications subject to change without notice 2004 Lamina Ceramics To see how you can realize all these design benefits to request a sample or to speak with an engineer about your design contact Lamina at 800 808 5822 or 609 265 1401 or visit www laminaceramics com
5. lamina Bright Lights Bright Ideas Ia la CA RIES RGB LED LIGHT ENGINE Lamina Light Engines As the market leader in the development and manufacture of super bright LED arrays Lamina brings solid state lighting to applications which until now were only possible with traditional lighting sources Lamina s LED arrays are manufactured by combining high brightness LEDs from industry leading LED manufacturers with Lamina s proprietary packaging tech nology multilayer Low Temperature Co Fired Ceramic on Metal LTCC M LTCC M is a breakthrough in thermal performance for LED packaging technology a key factor in determining LED life and reliability Unmatched thermal performance coupled with package interconnectivity allows Lamina to densely cluster multiple LEDs to achieve exceptionally high luminous intensity in very small footprints Lamina s arrays are available in white RGB and monochrome from 1W to 100W and also are available in custom packages e HiGH LUMINOUS FLUX IN SMALL FOOTPRINT e SUPERIOR THERMAL PERFORMANCE FOR IMPROVED RELIABILITY e LONG LIFE AND HIGH LUMEN MAINTENANCE e No MERCURY OR LEAD e CusTOM SIZES AND SHAPES AVAILABLE BL 2000 RGB Lamina BL 2000 RGB LED arrays have independent color control for dynamic or preset display of colors Through additive color mixing there is complete control of the various colors and white which can be displayed Lamina BL 2000 LED arrays are configured with seven
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