• Multi Scene TFT LED Display Backlight With Cold Cathode Fluorescent Lamp
Multi Scene TFT LED Display Backlight With Cold Cathode Fluorescent Lamp

Multi Scene TFT LED Display Backlight With Cold Cathode Fluorescent Lamp

Product Details:

Place of Origin: dongguan,China
Brand Name: HOTHMI
Model Number: TFT backlight (customized on demand)

Payment & Shipping Terms:

Minimum Order Quantity: 2
Delivery Time: 25 days
Payment Terms: L/C, D/A, T/T, D/P, Western Union, MoneyGram
Supply Ability: 99999
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Detail Information

Product Type: TFT Backlight (customized On Demand)
High Light:

Multiscene LED Display Backlight

,

Stable LED Display Backlight

,

Fluorescent Lamp TFT LED Backlight

Product Description

TFT Backlight (Customized On Demand)

 

 

LED Backlight
Light Emitting Diode (LED): LED backlights are used primarily for character modules. They offer a longer operating life - 50,000 hours minimum - and are brighter than Els. They do consume more power than Els. Being a solid state device, they operate directly off +5 VDC, so they do not require an inverter. However, a current limiting resistor is recommended for protection of the LEDs. LEDs are mounted in an array directly behind the display, which increases the thickness 4 to 5 mm. LEDs come in a variety of colors, with yellow-green being the most common.

Cold Cathode Fluorescent Lamp (CCFL): CCFL backlight offers low power consumption and a very bright white light . Two technologies are used: direct an edge lighting. In both types a cold cathode fluorescent tube is the light source. A diffuser distributes the light evenly across the viewing area. Edge lighting offers a thinner package and less power. CCFLs require an inverter to supply the 270 to 300 VAC used by the CCFL tube. They are used primarily in graphic LCDs and have a longer life - 10,000 to 15,000 hours - than Els do.

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