Illumination unit and liquid crystal display comprising it

摘要

In a liquid crystal display device according to the present invention, a contact holding portion ( 10 s) which contacts a light guiding plate ( 3 ) is provided on a housing ( 10 ), and, at least either of the contact holding portion ( 10 s) of the housing ( 10 ) and a portion ( 3 b) of the light guiding plate ( 3 ) corresponding to the contact holding portion of the housing has a processed surface SA formed by a process such as texturing for increasing roughness degree thereof. And, lubricating grease is applied to at least either of the contact holding portion ( 10 s) of the housing ( 10 ) and the portion ( 3 b) of the light guiding plate ( 3 ) corresponding to the contact holding portion of the housing.