Area light source apparatus

Details Area light source apparatus Area light source apparatus

2006-04-25

2006-04-25

Cariaso, Alan (Department: 2875)

Illumination

Edge lighted panel

Housing

C362S609000, C362S633000, C362S627000

Reexamination Certificate

active

07033064

ABSTRACT:
Cold cathode tube22is covered with lamp reflector31. An edge portion on the side of incident light surface26aof light guide26is interposed between upper and lower edge portions31aand31bof lamp reflector31. Reflection sheet29is attached to the back surface26bof light guide26. Reflection sheet29is fixed on the front surface of frame32by adhesive tapes41for electric insulation. An interposing width of “A” where the edge portion on the side of incident light surface26aof light guide26is interposed between upper and lower edge portions31aand31bof lamp reflector31, which is larger than a gap of “B” defined between step portion35of frame32and edge26dof light guide26. With the structure arranged above, the edge portion on the side of incident light surface26aof light guide26is firmly held between upper and lower edge portions31aand31bof lamp reflector31.

REFERENCES:
patent: 6055029 (2000-04-01), Kurihara et al.
patent: 6538710 (2003-03-01), Jang
patent: 6669356 (2003-12-01), Okuno
patent: 6773127 (2004-08-01), Kao
patent: 2001/0006461 (2001-07-01), Okuno
patent: 2003/0231499 (2003-12-01), Kao
patent: 2002-270024 (2002-09-01), None

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