Patent ID: 6439731
Filing Date: 2002-08-27
Classification: G02F,Y10S

Abstract:
A backlighted low-profile liquid crystal display device, comprising:an optical chamber having first and second opposing spaced apart faces; a liquid crystal display mounted on one of said first and second faces of said optical chamber; a printed circuit board having first and second essentially parallel surfaces, one of said first and second surfaces mounted to another of said first and second faces of said optical chamber; a plurality of light emitting diodes arranged in a two-dimensional array across essentially the entirety of said one of said first and second surfaces of said printed circuit board mounted to said optical chamber for essentially direct backlighting of said liquid crystal display; a brightness adjusting circuit disposed on said printed circuit board surface opposite said light emitting diodes; a heat sink disposed adjacent to said printed circuit board surface opposite said light emitting diodes; wherein said brightness adjusting circuit is further disposed in a nested arrangement between said printed circuit board surface opposite said light emitting diodes and said heat sink.