Liquid crystal display device

A liquid crystal display device, comprising:

• a substrate comprising a first surface and a second surface opposite to the first surface;
• a display panel, a backlight module, and a connecting portion connecting the backlight module and the display panel;
• wherein the backlight module comprises a back frame, and the back frame comprises a backplate and a bent portion connected to the backplate, such that a accommodation chamber is formed between the bent portion and the backplate;
• wherein the connecting portion comprises a first fixing portion and a second fixing portion, and the first fixing portion is disposed on an end surface of the bent portion and fixedly connected to the end surface of the bent portion and the display panel, wherein an orthographic projection of the end surface of the bent portion on the display panel covers an orthographic projection of an outer side of the first fixing portion on the display panel, wherein the fixing portion comprises a first adhesive layer, a sealing layer, and a second adhesive layer laminated to each other, the sealing layer is connected to the end surface of the bent portion through the first adhesive layer, and the sealing layer is connected to the display panel through the second adhesive layer, and
• wherein the second fixing portion is fixedly connected to the first fixing portion, and is disposed on an inner wall of the bent portion and is attached to the inner wall of the bent portion;
• wherein the second fixing portion comprises an adhesive fixing layer and a connection layer, the adhesive fixing layer is adhesively attached to the inner wall of the bent portion, a side of the connection layer is fixedly connected to the adhesive fixing layer, and another side of the connection layer is connected to the sealing layer.