Patent ID: 8042970

Claim:
An LED illuminator comprising: a seat having a flat board; and multiple chambers defined on the flat board, wherein each chamber has two opposite sidewalls, a bottom, two through holes and an opening, wherein the two through holes are respectively defined on the sidewalls and the opening is defined through the bottom; and multiple LED modules respectively mounted on the sidewalls of the chambers on the seat and standing on the flat board of the seat at an inclined angle to allow light to pass through the openings of the chambers, and each LED module has a circuit board; and multiple LED elements mounted on the circuit board and each LED element is aligned to one through hole of the corresponding chamber and light of the LED element passes through the opening of the bottom of the corresponding chamber; a rectangular frame having a bottom, four vertical sides, a bottom opening and multiple positioning protrusions, wherein the bottom opening is defined through the bottom and a size of the bottom opening matches that of the seat so that the openings of the chambers on the seat are aligned to the bottom opening of the frame; a cover mounted inside the frame and covering the bottom opening; and a rectangular heat conductive casing being rectangular and having a top, a bottom, multiple positioning protrusions and a recess defined in the bottom, wherein the multiple positioning protrusions outwardly extend from four edges of the bottom and are mounted to the corresponding positioning protrusions of the frame and the seat and LED modules are sandwiched between the heat conductive casing and the frame.