Our filament bulb uses a fully encapsuled ceramic filament base or soft filament with PI base with high quality Sanan & Epistar chips. As color light source do not have a full light spectrum, there are no precise CRI definition. As aforementioned, we offer a wide range of color including red, green, blue, orange, purple, pink as well as a very warm yellow color. The product beam angle is 360°.
For bulb body, it is more recommended to use clear bulb shell for more natural coloring. If you prefer to have more added style, we recommend to use the candy bulb style bulb shell with color coat fitting the color light source. The base cap could either be Edison screw or bayonet type. They can be of size E12 | E14 | B15d | 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. The most common usage is festive lighting in appropriate decorative fixture or lamp string. 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.