Liquid crystal panel assembly and liquid crystal display apparatus having the same

Abstract

A liquid crystal panel assembly includes a liquid crystal panel, a backlight module having at least one light emitting diode (LED) light source to irradiate light to the liquid crystal panel, and a housing which surrounds the liquid crystal panel and the backlight module. At least a portion of the housing adjacent to the at least one LED light source is formed of a thermal-conductive material.

What is claimed is: 
     
       1. A liquid crystal panel assembly comprising:
 a liquid crystal panel; 
 a backlight module having at least one arranged adjacent to the liquid crystal panel, the backlight module comprising: 
 a light guide plate configured to guide light; and 
 a light emitting diode (LED) light source which irradiates light to the liquid crystal panel and a light guide plate which guides light from the at least one LED light source arranged at an end of the light guide plate, the LED light source configured to irradiate light in a lateral direction of the light guide plate; and 
 a housing which surrounds arranged to surround the liquid crystal panel and the backlight module, the housing comprising a front housing and a rear housing; 
 a frame-shaped connecting bracket disposed between the front housing and the rear housing; 
 a frame arranged to be in contact with the housing; and 
 a driving circuit board connected to the liquid crystal panel through a flexible board and disposed between the frame-shaped connecting bracket and the front housing,  
 wherein at least a portion of the housing is formed of a thermal-conductive material, 
 wherein the LED light source comprises a circuit board and a plurality of light emitting diodes (LEDs) mounted on the circuit board, and 
 wherein the housing is arranged to be in contact with a the circuit board of the at least one LED light source so that heat is transmitted from the circuit board of the at least one LED light source to the housing. 
 
     
     
       2. The liquid crystal panel assembly as claimed in  claim 1 ,
 wherein the housing comprises a front housing and a rear housing, and the rear housing is formed of the thermal-conductive material. 
 
     
     
       3. The liquid crystal panel assembly as claimed in  claim 2 ,
 wherein at least a portion of the rear housing near the at least one LED light source is formed of the thermal-conductive material. 
 
     
     
       4. The liquid crystal panel assembly as claimed in  claim 1 ,
 wherein the housing comprises a front housing and a rear housing, and the rear housing is arranged to be in contact with the circuit board of the at least one LED light source so that heat is transmitted from the circuit board of the lat least one LED light source to the rear housing. 
 
     
     
       5. The liquid crystal panel assembly as claimed in  claim 4 ,
 wherein the rear housing is arranged to be in indirect contact with the circuit board of the at least one LED light source so that heat is transmitted from the circuit board of the lat least one LED light source to the rear housing. 
 
     
     
       6. A liquid crystal panel assembly comprising:
 a liquid crystal panel; 
 a backlight module having at least one arranged adjacent to the liquid crystal panel and comprising:
 a light guide plate configured to guide light; and 
 a light emitting diode (LED) light source which irradiates light to the liquid crystal panel and a light guide plate which guides light from the at least one LED light source arranged at an end of the light guide plate, the light source configured to irradiate light in a lateral direction of the light guide plate; and 
 
 a front housing and a rear housing which surround the liquid crystal panel and the backlight module,; 
 a frame-shaped connecting bracket disposed between the front housing and the rear housing; 
 a frame arranged to be in contact with the rear housing; and 
 a driving circuit board connected to the liquid crystal panel through a flexible board and disposed between the frame-shaped connecting bracket and the front housing,  
 wherein at least a portion of the rear housing near the at least one LED light source is formed of a thermal-conductive material, 
 wherein the LED light source comprises a circuit board and a plurality of light emitting diodes (LEDs) mounted on the circuit board, and 
 wherein the rear housing is arranged to be in contact with a the circuit board of the at least one LED light source so that heat is transmitted from the circuit board of the at least one LED light source to the rear housing. 
 
     
     
       7. The liquid crystal panel assembly as claimed in  claim 6 ,
 wherein the rear housing is arranged to be in indirect contact with the circuit board of the at least one LED light source so that heat is transmitted from the circuit board of the lat least one LED light source to the rear housing. 
 
     
     
       8. A liquid crystal panel assembly comprising:
 a liquid crystal panel; 
 a frame to which the liquid crystal panel is mounted, wherein a least a portion of the frame is formed of a first thermal-conductive material; 
 a backlight module having at least one arranged adjacent to the liquid crystal panel and comprising: 
 a light guide plate configured to guide light; and 
 a light emitting diode (LED) light source which irradiates light to the liquid crystal panel and a light guide plate which guides light from the at least one LED light source arranged at an end of the light guide plate, the light source configured to irradiate light in a lateral direction of the light guide plate; and 
 a housing which surrounds arranged to surround the liquid crystal panel and the backlight module, wherein the housing comprising a front housing and a rear housing; 
 a frame-shaped connecting bracket disposed between the front housing and the rear housing; and 
 a driving circuit board connected to the liquid crystal panel through a flexible board and disposed between the frame-shaped connecting bracket and the front housing,  
 wherein at least a portion of the housing is formed of a second thermal-conductive material, 
 wherein the light source comprises a circuit board and a plurality of light emitting diodes mounted on the circuit board, and 
 wherein the housing is arranged to be in contact with a the circuit board of the at least one LED light source so that heat is transmitted from the circuit board of the at least one LED light source to the housing. 
 
     
     
       9. The liquid crystal panel assembly as claimed in  claim 8 ,
 wherein the housing comprises a front housing and a rear housing, and the rear housing is formed of the second thermal-conductive material. 
 
     
     
       10. The liquid crystal panel assembly as claimed in  claim 8 ,
 wherein the housing comprises a front housing and a rear housing, and at least a portion of the rear housing near the at least one LED light source is formed of the second thermal-conductive material. 
 
     
     
       11. The liquid crystal panel assembly as claimed in  claim 8 ,
 wherein the housing comprises a front housing and a rear housing, and the rear housing is arranged to be in contact with the circuit board of the at least one LED light source so that heat is transmitted from the circuit board of the at least one LED light source to the rear housing. 
 
     
     
       12. The liquid crystal panel assembly as claimed in  claim 11 ,
 wherein the rear housing is arranged to be in indirect contact with the circuit board of the at least one LED light source so that heat is transmitted from the circuit board of the at least one LED light source to the rear housing. 
 
     
     
       13. The liquid crystal panel assembly as claimed in claim 1, further comprising:
 a controller configured to control the driving circuit board and the backlight module.    
     
     
       14. The liquid crystal panel assembly as claimed in claim 1, wherein the driving circuit board is disposed at a side of the rear housing.  
     
     
       15. The liquid crystal panel assembly as claimed in claim 1, wherein the driving circuit board is disposed on the frame-shaped connecting bracket.  
     
     
       16. A liquid crystal panel assembly comprising:
 a liquid crystal panel;   a backlight module arranged adjacent to the liquid crystal panel and comprising:   a light guide plate configured to guide light; and   a light emitting diode (LED) light source arranged at an end of the light guide plate, the LED light source configured to irradiate light in a lateral direction of the light guide plate;   a housing which surrounds the liquid crystal panel and the backlight module, wherein the housing comprises a rear housing arranged to surround a rear portion of the liquid crystal panel and arranged to support the backlight module, and a front housing arranged to surround a front portion of the liquid crystal panel;   a frame-shaped connecting bracket disposed between the front housing and the rear housing;   a frame arranged to be in contact with the rear housing; and   a driving circuit board connected to the liquid crystal panel through a flexible board and disposed between the frame-shaped connecting bracket and the front housing,   wherein the rear housing is formed of a thermal-conductive material,   wherein the LED light source comprises a circuit board and a plurality of light emitting diodes (LEDs) mounted on the circuit board, and   wherein the rear housing is arranged to be in contact with the circuit board so that heat is transmitted from the circuit board to the rear housing.