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US 2005/0237752 A1Published application
Backlight unit having a cooling member
AssigneeNEC LCD Technologies, Ltd.
InventorShin-ichirou Ono
Life of this patent
Estimating the term…
Abstract
A backlight unit includes a lamp housing, a plurality of elongate lamps received therein, and a cooling member having a heat-absorbing part and a heat-radiating part. The heat-absorbing part includes a plurality elongate heat-absorbing portions having a light reflecting function and arranged alternately with the elongate lamps. The heat-radiating part extends from the elongate heat-absorbing portions of the heat-absorbing part and is disposed outside the lamp housing. The cooling member has a heat-radiation function as well as a luminescence assistance function.
Claims13
A backlight unit comprising:
- a lamp housing having a light transmittance plate at a front surface of said lamp housing:
- at least one lamp received in said lamp housing for emitting light through said light transmittance plate toward outside said lamp housing:
- a cooling member having a heat-absorbing part received in said lamp housing and a heat-radiating part extending from said heat-absorbing part to outside said lamp housing for radiating heat absorbed by said heat-absorbing part to outside said lamp housing.
Dependencies are inferred from the claim text.