Patent ID: 8058711

Claim:
A filler for filling a gap, the filler comprising: a hydrogenated polysiloxazane having an oxygen content of about 0.2 to about 3 wt %, wherein: a chemical structure of the hydrogenated polysiloxazane includes first and second moieties represented by the following respective Chemical Formulas 1 and 2: wherein, R 1 to R 7 are each independently one of a hydrogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C7 to C30 arylalkyl group, a substituted or unsubstituted C1 to C30 heteroalkyl group, a substituted or unsubstituted C2 to C30 heterocycloalkyl group, a substituted or unsubstituted C2 to C30 alkenyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted carbonyl group, a hydroxy group, or a combination thereof; and a terminal end of the hydrogenated polysiloxazane includes a third moiety represented by the following Chemical Formula 3: *â€”SiH 3 [Chemical Formula 3] wherein an amount of the third moiety is about 15 to about 35% based on a total amount of Siâ€”H bonds in the hydrogenated polysiloxazane.