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US 6,611,092 B2Granted
Flat fluorescent lamp having unique mating portion and liquid crystal display device incorporating such a flat fluorescent lamp
AssigneeNEC LCD Technologies, Ltd.
InventorFumihiko Fujishiro
Life of this patent
Estimating the term…
Abstract
A flat fluorescent lamp is provided with one or more protrusions at the periphery thereof, which protrusion(s) extends outwardly beyond the edges of the two glass plates. A lamp holder receives the protrusion of the flat fluorescent lamp so as to hold the same in a manner that no edges of the two parallel glass plates touch or come into contact with the lamp holder.
Claims14
A flat fluorescent lamp comprising:
- a sealed chamber formed by a chamber frame and first and second glass plates, which glass plates are bonded to opposite sides of said chamber frame in alignment with the edges thereof;
- a phosphor coating provided on an inner surface of said first glass plate;
- and
- a plurality of electrodes provided on an inner surface of said second glass plate for inducing electric discharge within said chamber;
- wherein said chamber frame is provided with mating means via which said flat fluorescent lamp is held within a lamp holding frame, said mating means protruding from said chamber frame in parallel with said two glass plates beyond the edges of said two glass plates such as to leave space between the edges of said glass plates and said lamp holding frame.
2 more elements
A liquid crystal display device, comprising:
- a liquid crystal display panel;
- a flat fluorescent lamp for emitting light therefrom, said flat fluorescent lamp positioned so as to illuminate said liquid crystal display panel from behind, said flat fluorescent lamp comprising a sealed chamber formed by a chamber frame and first and second glass plates, which glass plates are bonded to opposite sides of said chamber frame in alignment with the edges thereof;
- and
- a light diffusion plate provided between said flat fluorescent lamp and said liquid crystal display panel,
- wherein said chamber frame is provided with mating means via which said flat fluorescent lamp is held within a lamp holding frame, said mating means protruding from said chamber frame in parallel with said two glass plates beyond the edges of said two glass plates such as to leave space between the edges of said glass plates and said lamp holding frame.
2 more elements
Dependencies are inferred from the claim text.