Display module, display device, and liquid crystal television set

摘要

This display module includes a display cell, a board, a light guide plate formed with a first engaging portion, and a holding member formed with a second engaging portion coming into contact with the first engaging portion to engage with the first engaging portion. At least either the first engaging portion or the second engaging portion is formed in a shape allowing the light guide plate to move in a direction orthogonal to the board in response to expansion or contraction of the light guide plate when the light guide plate expands or contracts.

主权项

1. A display device comprising:
a display module; and a housing storing said display module inside, wherein said display module includes: a display cell, a board having a mounting surface mounted with a light source, a light guide plate formed with a first engaging portion, guiding light received from said light source to said display cell, and a holding member formed with a second engaging portion coming into contact with said first engaging portion of said light guide plate to engage with said first engaging portion, holding said board and said light guide plate, and at least either said first engaging portion of said light guide plate or said second engaging portion of said holding member is formed in a shape allowing said first engaging portion of said light guide plate to move in a direction orthogonal to said mounting surface of said board in response to expansion or contraction of said light guide plate when said light guide plate expands or contracts; and wherein at least either said first engaging portion of said light guide plate or said second engaging portion of said holding member is formed in a shape allowing a light-receiving surface of said light guide plate to move in a direction separating from said mounting surface of said board in response to said expansion of said light guide plate when said light guide plate expands and allowing the light-receiving surface of said light guide plate to move in a direction approaching said mounting surface of said board in response to said contraction of said light guide plate when said light guide plate contracts.