| 摘要 |
FIELD: electricity.SUBSTANCE: invention relates to lighting engineering. The electric lamp (1) comprises a base (2), a bulb (4) installed on the base, the bulb contains at least one semiconductor light source (5). The coolers (6) contain at least two facing cooling fins (7, 8), which are separated by at least one gap (9) dividing the lamp bulb into at least two distinguished parts of the bulb. The above gap is open to the environment and passes from the bulb centre to external surface of the bulb. The lamp includes a light-transmission wall (13) in order to redistribute light. The light-transmission wall (13) may contain two separate parts (14, 15) in the wall in order to redistribute light during operation. Each distinguished bulb part may be shaped as surface of elongated ellipse or a half of flattened ellipse.EFFECT: improvement of lighting efficiency by light redistribution in a form of a double beam or homogeneous and omnidirectional light distribution.16 cl, 18 dwg |
