LED Filament Bulb (Decorative - ST Series), which are decorative LED bulb using specially colored bulb shape to create filament lighting with added vintage, antique-styled feelings. They are also widely known as retro bulbs, which means that they are the LED replacement for traditional decorative Edison bulb, which is usually amber in color with tungsten filament aligned in different patterns.
Decorative filament bulb has a wide range of furnishing applications when fitted in appropriate fixture. ST58 | ST64 are the most common shape of decorative filament bulb. They are respectively known as ST19 | ST21 in US and are in a straight tubular bulb shape. Usually, they use longer filament to mimic the squirrel cage Edison bulb. They are more used in upright lamp bases or metallic or glass shell pendant as decorative lighting.
The warm color lighting effect is very attractive to Europe, North America, Latin America as well as Australia market for decorative lighting purpose. It is particular safe and reliable, as well as being the most commonly used indoor lighting product. The product certified by TUV and SGS with CE, RoHS, ERP, SAA, and are fully compatible with CB | NOM | S-MART | TISI requirement.
Our filament bulb uses a fully encapsuled ceramic filament base with high quality Sanan & Epistar chips. The whole lamp has a high lighting efficacy of (60lm/W – 90lm/W) and color rendering (CRI80-95). We offer full range of color temperature, ranging from 1800-2200K, which higher color temperature as 6000K is also available. The product beam angle is 360°.
For bulb body, besides from an amber colored bulb shell which could create a warmer lighting, we also have smoked bulb shell which is slightly reddish brown in color for stronger antique feelings, or a gun color bulb shell which is a deeper dark grey color, to create a stronger contrast for more obvious filament light effect. The base cap could either be Edison screw or bayonet type. They can be of size E26 | E27 | B22d. The base cap could be made of aluminum in slivery color or copper in golden color.
LED filament bulb use high quality Linear IC or IC driver to power on, which could be single voltage input (AC120V or 230V) of power factor >0.5, or universal voltage input (AC85-265V) of power factor >0.9. It is optional to use driver solution which is dimmable, including linear IC dimmable model, or SMPS dimmable model. For higher compatibility with different dimmer model and brand, we could use chips LC dimming as well as 1512 chips IC dimming driver model. In case of DC input is preferable, the bulb could be customized for DC3-12V input. The lifetime of the product is over 25,000 hours, with a warrant period of 2 years.
Filament bulb could have a wide range of applications. They can be use in home fixtures such as table lamps or decorative pendant fixture at home. In hotels or inns, it is always favorable to use fixture hanged filament bulb to decorative common area, and so as to furnish shopping malls and shops showcases or promotional area. For bars, cafes & restaurants, there are usually decorative lamp fixtures such as metallic pendant as well as hanging lamp base to create a warm dinning or drinking lighting effect. Decorative filament bulb could also be used in art galleries, libraries and theaters to give a comfortable, home like atmosphere for leisure or social activities.