| US 7,517,596 B2 | ||
| Phenanthroline compound and light-emitting device | ||
| Satoshi Igawa, Fujisawa (Japan); Shinjiro Okada, Kamakura (Japan); Takao Takiguchi, Tokyo (Japan); and Manabu Furugori, Tokyo (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Nov. 15, 2005, as Appl. No. 11/272,726. | ||
| Claims priority of application No. 2004-344041 (JP), filed on Nov. 29, 2004. | ||
| Prior Publication US 2006/0115676 A1, Jun. 01, 2006 | ||
| Int. Cl. H01L 51/54 (2006.01); C07D 41/00 (2006.01) | ||
| U.S. Cl. 428—690 [428/917; 313/504; 546/88; 548/440] | 8 Claims |
1. A phenanthroline compound represented by the following formula H-6 or formula H-7:
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