Patent ID: 8766411

Claim:
A filler for filling a gap, the filler comprising a compound represented by the following Chemical Formula 1: Si a N b O c H d [Chemical Formula 1] wherein, in Chemical Formula 1, a, b, c, and d represent relative amounts of Si, N, O, and H, respectively, in the compound, 1.96<a<2.68, 1.78<b<3.21, 0≦c<0.19, and 4<d<10, wherein the compound represented by Chemical Formula 1 includes —SiH e , (wherein, e is an integer of 1 to 3), and in the compound represented by Chemical Formula 1 including —SiH e , a ratio of —SiH 3 to a total of —SiH e based on a total number of hydrogen atoms is about 0.46 to about 0.85.