Patent ID: 8704974

Claim:
A backlight assembly comprising: a light sourcing unit which is configured to receive electrical power and produce light; a light-sourcing unit fixing frame to which the light sourcing unit is fixed and thermally coupled; and a housing which accommodates the light-sourcing unit fixing frame within an inside portion of the housing and has one or more openings communicating between the inside portion and an outside portion of the housing, wherein one or more portions of the light-sourcing unit fixing frame extend through the openings from the inside portion to the outside portion of the housing, wherein the housing comprises a bottom plate portion and sidewall portions extending from the bottom plate portion, wherein the light-sourcing unit fixing frame comprises a lateral extension portion which is exposed through one of said openings and parallel to the bottom plate portion, a fixing protrusion which mates with a groove or bend or counter-extending portion of the housing to thereby interlock the light-sourcing unit fixing frame in place relative to the housing, wherein the fixing protrusion of the light-sourcing unit fixing frame extends parallel to the lateral extension portion of the light-sourcing unit fixing frame, and wherein at least part of the bottom plate portion of the housing is inserted between the fixing protrusion and the lateral extension portion; wherein the light-sourcing unit fixing frame comprises a horizontal portion which extends parallel to the bottom plate portion and the light-sourcing unit fixing frame comprises a vertical portion which extends perpendicular to the horizontal portion, wherein the lateral extension portion extends from an end of the horizontal portion, and wherein the fixing protrusion is formed at the end of the horizontal portion.