Patent ID: 8421971

Claim:
A one-piece back plate of a liquid crystal display module, comprising: a first edge, a second edge, a third edge and a fourth edge, wherein the first edge is opposite to the third edge, and the second edge is opposite to the fourth edge; wherein the one-piece back plate comprises: four first stepped portions having an inverted L-shaped profile and extending upward and outward from the first edge, the second edge, the third edge and the fourth edge; four second stepped portions having the inverted L-shaped profile and extending upward and outward from outer edges of top surfaces of the first stepped portions at the first edge, the second edge, the third edge and the fourth edge; and three engaging portions having the inverted L-shaped profile and extending upward and inward from outer edges of top surfaces of the second stepped portions at the first edge, the second edge and the third edge; wherein an optical film assembly is supported and mounted on the top surfaces of the first stepped portions, and a liquid crystal panel is supported and mounted on the top surfaces of the second stepped portions.