| 摘要 |
The present invention discloses a shielding device (27,37) which is mounted adjacent the light source (41) of a lamp (20,40). The shielding device includes perforations (30) and is shaped to deflect heat and/or light from the lamp (20,40) in at least 3 directions. Preferred forms include a nipped roof shape (27) and a pyramidal shape (37). The deflection permits more uniform growth of plants (35) in hydroponic or indoo r horticultural applications. |
