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Japan - Murata Electronics ( http:// ) developed anti-fuse element to control open defects in LEDs. This device allows LEDs serially connected to an LED having open defect* to stay lit, reducing open defect-related maintenance Cost for LED lighting fixture.
This product may be used for all lighting fixtures using LEDs, and especially suitable for large outdoor fixture higher maintenance lighting fixtures.
Having with other conventional measures for controlling open defects, this product allows for simpler and more economical circuit design, reduces unevenness in color, and prevents lowering of power supply voltage typically observed in Zener diodes, resulting in higher energy efficiency.
Its sample size is 1.0 x 0.5 x 0.5mm, however, 0.6 x 03mm and 0.4 x 0.2mm sizes are underway.
Recently LED lighting fixtures are replacing other types due to their advantage in low power consumption and small size. However, when LEDs are connected serially in a circuit, an open defect in one LED causes all other LEDs to turn off.
Serial-parallel circuit design currently used to control the problem with open defect causes fluctuation in current with the occurrence of open defect, resulting in uneven coloring in the light emitted. When an open defect occurs in a circuit with Zener diodes placed for removing static damage , voltage drop causes other LEDs connected serially to darken.
The newly developed anti-fuse element parallel-connected to a serial LED circuit can solve all the problems above providing a simple measure against open defects.
* Open defect
Defect caused by severed wiring. Open defect in one LED stops current flow through a series of LEDs connected serially and causes them to be turned off.
Japan - Murata Electronics ( http:// ) developed anti-fuse element to control open defects in LEDs. This device allows LEDs serially connected to an LED having open defect* to stay lit, reducing open defect-related maintenance Cost for LED lighting fixture.
This product may be used for all lighting fixtures using LEDs, and especially suitable for large outdoor fixture higher maintenance lighting fixtures.
Having with other conventional measures for controlling open defects, this product allows for simpler and more economical circuit design, reduces unevenness in color, and prevents lowering of power supply voltage typically observed in Zener diodes, resulting in higher energy efficiency.
Its sample size is 1.0 x 0.5 x 0.5mm, however, 0.6 x 03mm and 0.4 x 0.2mm sizes are underway.
Recently LED lighting fixtures are replacing other types due to their advantage in low power consumption and small size. However, when LEDs are connected serially in a circuit, an open defect in one LED causes all other LEDs to turn off.
Serial-parallel circuit design currently used to control the problem with open defect causes fluctuation in current with the occurrence of open defect, resulting in uneven coloring in the light emitted. When an open defect occurs in a circuit with Zener diodes placed for removing static damage , voltage drop causes other LEDs connected serially to darken.
The newly developed anti-fuse element parallel-connected to a serial LED circuit can solve all the problems above providing a simple measure against open defects.
* Open defect
Defect caused by severed wiring. Open defect in one LED stops current flow through a series of LEDs connected serially and causes them to be turned off.
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