Backlight module and liquid crystal display module

A liquid crystal display module comprising:

• a tray comprising a bottom plate and a side wall connecting an edge of the bottom plate, the side wall comprising:
• a first wall portion substantially perpendicular to the bottom plate;
• a second wall portion substantially parallel to the bottom plate, the second wall portion extending out of the tray;
• a third wall portion substantially perpendicular to the bottom plate, the second wall portion being connected between the first wall portion and the third wall portion;
• a fourth wall portion substantially parallel to the bottom plate, the fourth wall portion extending out of the tray;
• a fifth wall portion substantially perpendicular to the bottom plate, the fourth wall portion being connected between the third wall portion and the fifth wall portion;
• a light guide plate disposed on the bottom plate of the tray;
• a lighting device disposed at a light incident side of the light guide plate;
• an optical film set disposed on the light guide plate, the second wall portion leaning against the optical film set;
• a liquid crystal display panel disposed over the optical film set, the fourth wall portion leaning against the liquid crystal display panel;
• and
• a flexible encapsulating material covering a portion of the liquid crystal display panel and a portion of the bottom plate of the tray, so as to fix the liquid crystal display panel and the tray together.