Patent ID: 7712947
Filing Date: 2010-05-11
Classification: G02B

Abstract:
1. A backlight module, comprising: a lamp tube set having a lamp housing and a first lamp tube; a light guide plate having a side for inserting said light guide plate into said lamp tube set; and a non-perforated positioning body having a base, a first flange, and a second flange where the outer walls of the positioning body are insertably coupled to an inner wall of said lamp housing, whereby said first lamp tube directly contacts a sidewall of said first flange and a sidewall of said second flange; said light guide plate positioned to contact said non-perforated positioning body to form a protective gap between said first lamp tube and said light guide plate; said protective gap extending along the length of said first lamp tube, wherein said non-perforated positioning body is movable from said lamp housing, wherein said first flange and said second flange each having a slope vertically diverging outwardly from said base, wherein a cross sectional area of said first flange and said second flange each decrease as said flanges vertically extends outwardly from said base toward said light guide plate.