XBH BM is the resin black matrix solution for LCD color filter. It takes the role of shading the light among the color patterns and so enhance the contrast ratio. The characteristics of XBH OC are as follows;
XBH BM series will provide a wide process margin and high OD values as well as high sensitivity in the LCD color filter.
Advantages

Good Resolution (Align Key)
Good Adhesion (Tape Cross-cut=100/100)
No change Resistance with heat
(after heat process; R,G,B post-bake & ITO annealing temp.)
Good Coating Uniformity
There is no need High Pressure Rinse System
Residue Free
Good Pattern Profile (Rectangular type, Slope type)

Properties
Solid content : 15~17%
Viscosity (cP) : 3~4
Surface resistant : 10¹² Ω/㎠

Process condition
Slit Coating
Prebake(80~100°C/2~5min)
Exposure(100~150mJ/cm²)
Development(21~23°C/1~3min) : : KOH, Na2CO3
Rinse
Postbake(200~240°C/20~40min)

If you don't find what you're looking for, Contact Us. We may have a suitable product that's not listed, or we may be able to develop a material to fit your specific needs. Tel : (02)2217-3442 / Fax : (02)2704-4070