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Electronic Thermal Management Solutions: Smartphones

Galaxy S4 Rendering (Final)eGRAF® SPREADERSHIELD™ flexible graphite heat spreaders give handheld device designers the tools to overcome the complex challenges associated with thermal management, including:

  • Touch temperature reduction
  • Thermal shielding of Li-Ion batteries
  • Cooling of LED and power components
  • Mitigation of AMOLED and LCD display hot spots
  • RoHS compliant and UL 94V-0 certified


  • In-plane conductivity 300-1500 W/mKSmartphone Thermal Comparison
  • Anisotropic ratio up to 300:1
  • Thicknesses as low as 25μm
  • 30% lighter than Al and 80% than Cu
  • Continuous reel-to-reel format
  • Spreads heat up to 4x Copper and 7x Aluminum
  • Eliminates hot-spots and protects sensitive areas
  • Enables the slimmest device designs
  • Saves weight compared to metal alternatives
  • Suitable for high volume production