Overview on LED Lights

1
Overview on LED Lights
2
Led lighting history

• Henry Joseph Round discovers LED in 1907.
• Oleg Lossev tests LED properties with
  Semiconductor agents.
• In 1949, a first transistor in invented and first
  visible and usable LED is developed by Nick
  Holonyak Jr.
• LED was the favorite thing for decorating during
  the 70s as LED is available in vibrant colors.
• The 90s are the era for the commercial limelight
  of LED as high brightness LED has been invented.
• 20th century brings a new hope for people about
  using LED.
• 2015 is the year when the incandescent bulbs are
  completely phased out of production.

3
Led lights advantages over other lighting
technologies

• Long life time stands out as the number one
  benefit of LED lights.
• LED lights are free of toxic chemicals, making
  them ecological and environment friendly.
• LEDs are extremely durable and built with sturdy
  components that are highly rugged and can
  withstand even the roughest conditions.
• LED illumination produces little infrared light
  and close to no UV emissions.

4
Led lights advantages over other lighting
technologies

• LED lights brighten up immediately and when
  powered on, which has great advantages for
  infrastructure projects such as e.g. traffic and
  signal lights.
• A low-voltage power supply is sufficient for LED
  illumination.
• LEDs can be combined in any shape to produce
  highly efficient illumination.
• It is energy efficient, which means it consumes
  only 20 of electricity when compared to light
  bulb which consumes 80 of electricity only for
  heating up.

5
Led lights consumption in USA

• Nearly 40 of USA residents use LED lights.
• It is estimated that LED is 80 more energy
  efficient than traditional light bulbs.
• They are 25 times long-lasting than incandescent
  bulbs.
• The LED lighting market is anticipated to grow
  45 per year through 2019.

6
Led lighting consumption for street lights in USA

• It is estimated that there are 26.5 million of
  street lights in more than 400 styles across the
  USA.
• 6 million of those street lights need
  modification and renovation.
• 140,000 of the city of Los Angeles existing
  street lights have been replaced with LED
  fixtures in 2009.

7

• Sorry Mr. Edison.
• Your bulb had a good run!

8

• Thanks for Watching

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