Display module and electronic device

Abstract

The present invention provides a display module and an electronic device. The display module includes a housing, a liquid crystal display panel, a middle frame, and a backlight module. The housing includes a bottom plate and a side wall, the side wall includes a first sub-wall and a second sub-wall, a width of the first sub-wall is greater than a width of the second sub-wall, and one end of the first sub-wall is connected to one end of the bottom plate. A light-absorbing layer is disposed on an inner surface of the first sub-wall and between the middle frame and the bottom plate.

What is claimed is: 
     
         1 . A display module, comprising:
 a housing comprising a bottom plate and a side wall, wherein the side wall comprises a first sub-wall and a second sub-wall, a width of the first sub-wall is greater than a width of the second sub-wall, and one end of the first sub-wall is connected to one end of the bottom plate;   a liquid crystal display panel located in the housing and corresponding to the second sub-wall;   a middle frame located in the housing and configured to accommodate and support the liquid crystal display panel, wherein a bottom portion of the middle frame abuts a top portion of the first sub-wall; and   a backlight module located in the housing and corresponding to the first sub-wall;   wherein a light-absorbing layer is disposed on an inner surface of the first sub-wall and between the middle frame and the bottom plate.   
     
     
         2 . The display module as claimed in  claim 1 , wherein a height of the first sub-wall is greater than a height of the backlight module. 
     
     
         3 . The display module as claimed in  claim 2 , wherein a top portion of the light-absorbing layer abuts the bottom portion of the middle frame, and a bottom portion of the light-absorbing layer abuts a top portion of the bottom plate. 
     
     
         4 . The display module as claimed in  claim 1 , wherein the backlight module comprises a reflector, a light guide plate, and a plurality of optical films disposed from bottom to top and in a stack, and the reflector, the light guide plate, and the optical films correspond to the light-absorbing layer. 
     
     
         5 . The display module as claimed in  claim 4 , wherein the light-absorbing layer comprises a first sub-portion and a second sub-portion, a position of the first sub-portion corresponds to a position of the light guide plate, a position of the second sub-portion corresponds to a position of the reflector, and a light-absorbing rate of the first sub-portion is greater than a light-absorbing rate of the second sub-portion. 
     
     
         6 . The display module as claimed in  claim 5 , wherein the light-absorbing layer further comprises a third sub-portion, a position of the third sub-portion corresponds to a position of the optical films, and the light-absorbing rate of the second sub-portion is greater than or equal to a light-absorbing rate of the third sub-portion. 
     
     
         7 . The display module as claimed in  claim 6 , wherein the light-absorbing layer further comprises a fourth sub-portion located at uppermost of the light-absorbing layer, and the fourth sub-portion corresponds to a position of a portion of the first sub-wall higher than the backlight module. 
     
     
         8 . The display module as claimed in  claim 7 , wherein the light-absorbing rate of the third sub-portion is greater than or equal to a light-absorbing rate of the fourth sub-portion. 
     
     
         9 . The display module as claimed in  claim 4 , wherein sides of the reflector, the light guide plate, and the optical films are flush with each other and have an equal distance to the first sub-wall. 
     
     
         10 . The display module as claimed in  claim 1 , wherein the light-absorbing layer covers the inner surface of the first sub-wall, and a thickness of the light-absorbing layer is less than or equal to 0.1 millimeters. 
     
     
         11 . An electronic device comprising a display module, wherein the display module comprises:
 a housing comprising a bottom plate and a side wall, wherein the side wall comprises a first sub-wall and a second sub-wall, a width of the first sub-wall is greater than a width of the second sub-wall, and one end of the first sub-wall is connected to one end of the bottom plate;   a liquid crystal display panel located in the housing and corresponding to the second sub-wall;   a middle frame located in the housing and configured to accommodate and support the liquid crystal display panel, wherein a bottom portion of the middle frame abuts a top portion of the first sub-wall; and   a backlight module located in the housing and corresponding to the first sub-wall;   wherein a light-absorbing layer is disposed on an inner surface of the first sub-wall and between the middle frame and the bottom plate.   
     
     
         12 . The electronic device as claimed in  claim 11 , wherein a height of the first sub-wall is greater than a height of the backlight module. 
     
     
         13 . The electronic device as claimed in  claim 12 , wherein a top portion of the light-absorbing layer abuts the bottom portion of the middle frame, and a bottom portion of the light-absorbing layer abuts a top portion of the bottom plate. 
     
     
         14 . The electronic device as claimed in  claim 11 , wherein the backlight module comprises a reflector, a light guide plate, and a plurality of optical films disposed from bottom to top and in a stack, and the reflector, the light guide plate, and the optical films correspond to the light-absorbing layer. 
     
     
         15 . The electronic device as claimed in  claim 14 , wherein the light-absorbing layer comprises a first sub-portion and a second sub-portion, a position of the first sub-portion corresponds to a position of the light guide plate, a position of the second sub-portion corresponds to a position of the reflector, and a light-absorbing rate of the first sub-portion is greater than a light-absorbing rate of the second sub-portion. 
     
     
         16 . The electronic device as claimed in  claim 15 , wherein the light-absorbing layer further comprises a third sub-portion, a position of the third sub-portion corresponds to a position of the optical films, and the light-absorbing rate of the second sub-portion is greater than or equal to a light-absorbing rate of the third sub-portion. 
     
     
         17 . The electronic device as claimed in  claim 16 , wherein the light-absorbing layer further comprises a fourth sub-portion located at uppermost of the light-absorbing layer, and the fourth sub-portion corresponds to a position of a portion of the first sub-wall higher than the backlight module. 
     
     
         18 . The electronic device as claimed in  claim 17 , wherein the light-absorbing rate of the third sub-portion is greater than or equal to a light-absorbing rate of the fourth sub-portion. 
     
     
         19 . The electronic device as claimed in  claim 14 , wherein sides of the reflector, the light guide plate, and the optical films are flush with each other and have an equal distance to the first sub-wall. 
     
     
         20 . The electronic device as claimed in  claim 11 , wherein the light-absorbing layer covers the inner surface of the first sub-wall, and a thickness of the light-absorbing layer is less than or equal to 0.1 millimeters.