Vehicle lamp

Details Vehicle lamp Vehicle lamp

2005-07-19

2005-07-19

Sember, Thomas M. (Department: 2875)

Illumination

Supported by vehicle structure

Light modifier

C362S293000, C362S499000, C313S110000

Reexamination Certificate

active

06918690

ABSTRACT:
A vehicle lamp has a red bulb which is made by coating its exterior surface with a red paint including iron oxide as a red pigment. A mean particle size of the iron oxide is controlled to a range of approximately 10 to 100 nm, and a PWC concentration of the iron oxide is controlled to a range of approximately 60 to 90%. As a result, a red marker lamp can have an appropriate luminous flux (120±20% lm) and desirable chromaticity (y<0.335 and z<0.008) and satisfactory heat resistance (350° C. or higher).

REFERENCES:
patent: 4598020 (1986-07-01), Panush
patent: 4868725 (1989-09-01), Sakagawa et al.
patent: 6411021 (2002-06-01), Izawa et al.
patent: 6445112 (2002-09-01), Amrein et al.
patent: 6520664 (2003-02-01), Amrein et al.
patent: 6580201 (2003-06-01), Nakamura et al.
patent: 2001/0020812 (2001-09-01), Sagawa et al.
patent: 2002-15709 (2002-01-01), None

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