Patent Number: 6,168,297

Title: Vehicular headlamp assembly with discharge bulb and glare protection film

Abstract: A vehicular headlamp comprising a discharge bulb provided with an arc tube having a discharge light-emitting portion extending in a fore-to-aft direction, an outer tube tubularly surrounding the arc tube, and a glare protection film formed on an outer peripheral surface of the outer tube over a predetermined angular range such that upper edges of the glare protection film are located on left and right sides of the outer peripheral face, and a reflector that securely supports the discharge bulb and reflects light from the discharge light-emitting portion of the discharge bulb forward, characterized in that the discharge bulb is securely supported by the reflector so that the upper edges of the glare protection film are located substantially at an equal height, that is, the upper edges are disposed in a horizontal plane.

Inventors: Tatsukawa; Masashi (Shizuoka, JP)

Assignee: Koito Manufacturing Co., Ltd.

International Classification: F21V 7/00 (20060101); F21V 14/04 (20060101); F21V 14/00 (20060101); F21V 11/16 (20060101); F21V 11/00 (20060101); F21S 8/10 (20060101); F21V 011/00 ()

Expiration Date: 01/02/2018