TE - White Papers

Lighting System Interconnection Levels

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1996 1 st OLED 1966 High-pressure sodium lamp 1964 IBM Corporation's IBM360 computer utilizes LEDs for PCB indicators 1986 "White" SON sodium vapor lamp introduced 1962 1 st practical visible-spectrum LED developed 1959 Tungsten-halogen lamp 1926 Fluorescent lamp patented 1911 Neon lamp developed 1925 1 st internal frosted light bulbs were produced 1901 Demonstration of mercury-vapor lamp 1880 Edison patent 223, 898 issued 1907 1 st light emitting diode (LED) 1972 1 st blue LED developed 1991 Magnetic induction fluorescent bulb 1993 Blue InGan LED 1994 Sulfur-argon plasma lamp 1996 1 st white high bright LED with blue die 1996 1 st OLED 1996 1 st OLED 1 st OLED 1966 High-pressure sodium lamp 1966 High-pressure sodium lamp 1964 IBM Corporation's IBM360 computer utilizes LEDs for PCB indicators 1964 IBM Corporation's IBM360 computer utilizes LEDs for PCB indicators 1986 "White" SON sodium vapor lamp introduced 1986 "White" SON sodium vapor lamp introduced 1962 1 st practical visible-spectrum LED developed 1962 1 st practical visible-spectrum LED developed 1959 Tungsten-halogen lamp 1959 Tungsten-halogen lamp 1926 Fluorescent lamp patented 1926 Fluorescent lamp patented 1911 Neon lamp developed 1911 Neon lamp developed 1925 1 st internal frosted light bulbs were produced 1925 1 st internal frosted light bulbs were produced 1901 Demonstration of mercury-vapor lamp 1901 Demonstration of mercury-vapor lamp 1880 Edison patent 223, 898 issued 1880 Edison patent 223, 898 issued 1907 1 st light emitting diode (LED) 1907 1 st light emitting diode (LED) 1972 1 st blue LED developed 1972 1 st blue LED developed 1991 Magnetic induction fluorescent bulb 1991 Magnetic induction fluorescent bulb 1993 1993 Blue InGan LED 1994 Sulfur-argon plasma lamp 1994 Sulfur-argon plasma lamp 1996 1 st white high bright LED with blue die 1996 1 st white high bright LED with blue die 1 st white high bright LED with blue die Fig. 3 Post-electric timeline Fast forward almost 100 years from the invention of the Edison bulb to the advent of solid state lighting (SSL). We are now at the early stages of a similar epoch that will be just as disruptive to the lighting industry as Edison's light bulb. As a new industry develops around this novel light source, a myriad of interconnect options exist that now pose a dilemma to all those involved in lighting design and integration. It affects everyone from the light source supplier to the final lighting contractor responsible for installation. Simply put and broadly stated – the dilemma is: What are my interconnect options? The answer to this is a rather ambiguous, "it depends". There currently is no clear answer to this since many options exist; it all depends where the interconnect lies within the overall system. The solution is a method that better defines each level of interconnects thereby isolating the specific connector application as well as the products and options available. This paper proposes a classification system that clearly defines natural demarcations that are inherent in all lighting systems. 3

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