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Was ist eine Chip-on-Board-(COB)-LED? - Elektronikpraxis

Chip-on-Board-LEDs, sogenannte COBs, bestehen im Gegensatz zu üblichen SMD-LEDs mit einem einzelnen oder maximal zwei LED-Chips aus einer Multichip-Anordnung, bei der viele einzelne Low-Power-LED-Chips in Serie und parallel geschaltet sind. Darüber hinaus entfällt insbesondere das bei SMD-LEDs übliche PLCC-Gehäuse.

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What is COB light? - All about COB LED | SM Tech

LED chips mounted on a single board to act as a source of light is known as COB light. It is also termed as COB LEDs. The COB light’s full form is Chip On Board lights. It is a chip made up of small diode combined in parallel and series to form a chip that is capable of giving a high concentration of light called a high luminous intensity chip.

What Are "COB" LEDs and Why Do They Matter?

Chip-on-Board or "COB" refers to the mounting of a bare LED chip in direct contact with a substrate (such as silicon carbide or sapphire) to produce LED arrays. COB LEDs have a number of advantages over older LED technologies, such as Surface Mounted Device ("SMD") LEDs or Dual In-line Package ("DIP") LEDs.

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The word COB is actually short of Chip-on-Board and the COB LED lights are specially designed lights with LED chips that are mounted directly into a substrate in order to form a single module. Since multiple LEDs are wired and put all together, they basically form one light source.

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LED lights come in a variety of models. Start comparing COB vs SMD LED Lights, or before you look at the difference between LED light COB and SMD. You can choose between SMD vs COB types, for example, depending on your needs for energy efficiency and versatility. The COB vs SMD LED Lights differ in terms of their features and semiconductors.

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Chip-On-Board LEDs (COB) - LEDs & Komponenten - LEDs.de

Chip-On-Board LEDs (COB) COB-LEDs sind im Grunde genommen mehrere LED-Chips (typischerweise neun oder mehr), die direkt auf eine Trägerplatine aufgebracht sind.

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Compared to the 3528: 1 chip on board, or 5050: 3 chips, a COB LED light source will have multiple chips (dozens or even hundreds) on the same PCB (Printed Circuit Board). The COB has a PCB on its substrate; diode chips are arrayed in parallel or/and in series, depending on the circuit of the PCB. The substrate can be aluminum or ceramic. The ceramic type has a better thermal conductive ...

Top 10 LED Chips for LED Lighting Fixture / Industry

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Difference between SMD and COB LED lights SMD: 1) SMD LED chips can have up to 3 diodes on a single chip, with each diode having an individual circuit. Each circuit has one cathode and one anode, leading to 2, 4 or 6 contacts in a chip. 2) This alignment is the reason why SMD chips are more versatile comparing to COB. The chip can contain a red, green, and blue diode. By using these three ...

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#10+ Best COB LED Grow Light - [ Complete Review - 2020]

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Leuchtdiode – Wikipedia

Eine Leuchtdiode (kurz LED von englisch light-emitting diode, dt. ‚lichtemittierende Diode‘, auch Lumineszenz-Diode) ist ein Halbleiter-Bauelement, das Licht ausstrahlt, wenn elektrischer Strom in Durchlassrichtung fließt. In Gegenrichtung sperrt die LED. Somit entsprechen die elektrische Eigenschaften der LED denjenigen einer Diode.Das Licht kann für das menschliche Auge sichtbar sein ...

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COB-LEDs sind im Grunde genommen mehrere LED-Chips (typischerweise neun oder mehr), die direkt auf eine Trägerplatine aufgebracht sind. Da die einzelnen Chips nicht wie bei SMD LEDs üblich in ein Gehäuse eingebaut sind, können sie so montiert werden, dass sie weniger Platz beanspruchen und somit das höchste Potenzial der LED-Chips ausgeschöpft werden kann.

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COB LED Grow Light Full Spectrum, CANAGROW Newest 360W LED Plant Grow Lights for Indoor Plants, Plant Growing Light Lamp Panel, Ultra-Thin No Fan No Noise Check Amazon Instead of Cree LED chips, the Cannagrow light kit features a lumens chip on board.

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