摘要 |
A lamp is provided, the lamp comprising a one piece envelope (102) mounted on a base (104), an internal structure (106) arranged within the envelope (102), the internal structure (106) comprising a stem (108) extending from the base (104), a solid state light source (110) arranged on the stem (108), and a screen (112, 212) obscuring at least a portion of light emitted from the solid state light source (110) such that light emitted from the solid state light source (110) is diffused by the screen (112, 212), wherein the stem (108) is arranged to support the screen (112, 212), wherein the screen (112, 212) is arranged to adopt a collapsed state such that the screen (112, 212) is passable through a base opening (115) of the envelope(102) and an un-collapsed state (116) such that the screen (112, 212) is impassable through the base opening (115) of the envelope (102). |