CN107643629A - A kind of liquid crystal display device that can improve contrast - Google Patents
A kind of liquid crystal display device that can improve contrast Download PDFInfo
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- CN107643629A CN107643629A CN201710763322.5A CN201710763322A CN107643629A CN 107643629 A CN107643629 A CN 107643629A CN 201710763322 A CN201710763322 A CN 201710763322A CN 107643629 A CN107643629 A CN 107643629A
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Abstract
The present invention relates to liquid crystal display device technical field, more particularly to a kind of liquid crystal display device that can improve contrast, it includes liquid crystal display panel and backlight module, and backlight module includes back frame, the backlight rearranged by multiple light emitting sources being arranged in back frame, is arranged at the light guide plate of backlight side and the diffuser plate being arranged on light guide plate；Liquid crystal display panel is arranged at the side of diffuser plate；Backlight module also includes the first radiating piece and the second radiating piece, and also include the heat-conducting piece being arranged in back frame, heat-conducting piece includes the first heat-conducting part being connected with each other and the second heat-conducting part and the 3rd heat-conducting part being connected with the second heat-conducting part, first heat-conducting part is arranged at the lower section of light guide plate, second heat-conducting part is surrounded on the side of backlight, and the 3rd heat-conducting part is extended to outside back frame by the second heat-conducting part.The problem of liquid crystal display device that contrast can be improved can avoid the temperature inequality of whole liquid crystal display device, and then contrast is improved, avoid the occurrence of aberration.
Description
Technical field
The present invention relates to liquid crystal display device technical field, and in particular to a kind of liquid crystal display dress that can improve contrast
Put.
Background technology
The structure of liquid crystal display device includes liquid crystal panel and backlight module.Liquid crystal panel it is not luminous in itself, it is necessary to by
The light source that backlight module provides normally shows image.It is different according to the incidence of light source, under backlight module can be divided into directly
Formula backlight module and side entrance back module.Wherein, side entrance back module is that backlight LED lamp bar is arranged at into liquid crystal panel
The back plate edges at side rear, the light that LED light bar is sent enters light guide plate from the incidence surface of light guide plate side, through reflecting and spreading
Projected afterwards from light guide plate exiting surface, then via optical diaphragm group, liquid crystal panel is supplied to form area source.
Liquid crystal display device of the prior art, light source can generate heat in itself, during long-term use, if heat is not
It can in time guide, then easily cause the temperature of whole liquid crystal display device uneven, and then cause the contrast of liquid crystal display to compare
Difference, and the problem of obvious aberration occurs.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of liquid crystal display dress that can improve contrast
Put, the problem of liquid crystal display device that can improve contrast can avoid the temperature inequality of whole liquid crystal display device, and then
Contrast is improved, avoids the occurrence of aberration.
To achieve the above object, the present invention provides following technical scheme：
A kind of liquid crystal display device that can improve contrast, including liquid crystal display panel and backlight module, the back of the body are provided
Optical mode group includes back frame, the backlight rearranged by multiple light emitting sources being arranged in the back frame, is arranged at the backlight
The light guide plate of source side and the diffuser plate being arranged on the light guide plate；The liquid crystal display panel is arranged at the diffusion
The side of plate；
The backlight module also includes the first radiating piece and the second radiating piece, and first radiating piece connects the liquid respectively
The one end of LCD panel and the light guide plate, second radiating piece connect the liquid crystal display panel and led with described respectively
The other end of tabula rasa；
The backlight module also includes being arranged at heat-conducting piece in the back frame, the heat-conducting piece include being connected with each other the
One heat-conducting part and the second heat-conducting part and the 3rd heat-conducting part being connected with second heat-conducting part, first heat-conducting part are set
In the lower section of the light guide plate, second heat-conducting part is surrounded on the side of the backlight, and the 3rd heat-conducting part is by described
Second heat-conducting part is extended to outside the back frame.
First heat-conducting part and second heat-conducting part are formed in one structure.
Second heat-conducting part is arranged to the second heat-conducting part of arc.
The heat-conducting piece is arranged to liquid metal for conducting heat part.
The diffuser plate includes incidence surface and exiting surface, the semicircle that the exiting surface of the diffuser plate is arranged in order by several
It is spliced.
The radius of the semicircle is disposed as 0.01mm~3mm.
The radius of the semicircle is disposed as 0.5mm.
The radius of the semicircle is disposed as 1mm.
The exiting surface that the semicircle being arranged in order by several is spliced and the diffuser plate are integrative-structures.
The diffuser plate is to expand made of diffuser plate made of PP plastics, diffuser plate made of PET or HDPE plastic
Fall apart.
Beneficial effects of the present invention：
(1) a kind of liquid crystal display device that can improve contrast of the invention, including liquid crystal display panel and backlight module,
Backlight module includes back frame, the backlight rearranged by multiple light emitting sources being arranged in back frame, is arranged at backlight side
Light guide plate and the diffuser plate that is arranged on light guide plate；Liquid crystal display panel is arranged at the side of diffuser plate；Backlight module is also
Including the first radiating piece and the second radiating piece, the first radiating piece connects the one end of liquid crystal display panel and light guide plate respectively, the
Two radiating pieces connect the other end of liquid crystal display panel and light guide plate respectively；Backlight module also includes being arranged at leading in back frame
Warmware, heat-conducting piece includes the first heat-conducting part being connected with each other and the second heat-conducting part and what is be connected with the second heat-conducting part the 3rd lead
Hot portion, the first heat-conducting part are arranged at the lower section of light guide plate, and the second heat-conducting part is surrounded on the side of backlight, and the 3rd heat-conducting part is by
Two heat-conducting parts are extended to outside back frame.On the one hand, because the first radiating piece and the second radiating piece can be in time by liquid crystal display panels
Scattered away with the heat on light guide plate, on the other hand, due to heat-conducting piece can by back frame close to light guide plate and backlight part
Heat guides in time, so the problem of the temperature inequality of whole liquid crystal display device can be avoided, and then contrast is improved, avoid
There is aberration.
(2) a kind of liquid crystal display device that can improve contrast of the invention, has that simple in construction, production cost is low, simultaneously
The characteristics of large-scale production can be adapted to.
Brief description of the drawings
Fig. 1 is a kind of structural representation of liquid crystal display device that can improve contrast of the present invention.
Reference：
Back frame 1；
Backlight 2；
Light guide plate 3；
Diffuser plate 4, incidence surface 41, exiting surface 42, semicircle 401；
Liquid crystal display panel 5；
First radiating piece 6；
Second radiating piece 7；
Heat-conducting piece 8, the first heat-conducting part 81, the second heat-conducting part 82, the 3rd heat-conducting part 83.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
Embodiment 1.
A kind of liquid crystal display device that can improve contrast of the present embodiment, as shown in figure 1, including liquid crystal display panel 5
And backlight module, backlight module include back frame 1, the backlight 2 rearranged by multiple light emitting sources being arranged in back frame 1, set
The diffuser plate 4 for being placed in the light guide plate 3 of the side of backlight 2 and being arranged on light guide plate 3；Liquid crystal display panel 5 is arranged at diffusion
The side of plate 4；Backlight module also includes the first radiating piece 6 and the second radiating piece 7, and the first radiating piece 6 connects liquid crystal display respectively
The one end of panel 5 and light guide plate 3, the second radiating piece 7 connect the other end of liquid crystal display panel 5 and light guide plate 3 respectively；The back of the body
Optical mode group also includes the heat-conducting piece 8 being arranged in back frame 1, and the first heat-conducting part 81 and second that heat-conducting piece 8 includes being connected with each other is led
Hot portion 82 and the 3rd heat-conducting part 83 being connected with the second heat-conducting part 82, the first heat-conducting part 81 are arranged at the lower section of light guide plate 3,
Second heat-conducting part 82 is surrounded on the side of backlight 2, and the 3rd heat-conducting part 83 is extended to outside back frame 1 by the second heat-conducting part 82.One side
Face, because the first radiating piece 6 and the second radiating piece 7 in time can scatter away the heat on liquid crystal display panel 5 and light guide plate 3,
On the other hand, due to easily gathering heat close to the part of light guide plate 3 and backlight 2 in back frame 1, heat-conducting piece 8 can be by back frame 1
The upper heat close to light guide plate 3 and the part of backlight 2 guides, and then can avoid the temperature of whole liquid crystal display device not in time
The problem of equal, and then contrast is improved, avoid the occurrence of aberration.
In the present embodiment, the first heat-conducting part 82 and the second heat-conducting part 83 are formed in one structure, and then with being easy to produce
And the characteristics of heat conduction.
In the present embodiment, the second heat-conducting part 82 is arranged to the second heat-conducting part 82 of arc, and then be easy to will be close in back frame 1
The heat of part near backlight 2 guides in time.
In the present embodiment, heat-conducting piece 8 is arranged to liquid metal for conducting heat part, and then fast, good heat conduction effect excellent with heat conduction
Point.
In the present embodiment, diffuser plate 4 includes incidence surface 41 and exiting surface 42, the exiting surface 42 of diffuser plate 4 by several according to
The semicircle 401 of secondary arrangement is spliced, and the exiting surface 42 that the semicircle 401 being arranged in order by several is spliced is due to light
The characteristics of line dispersion effect is good, and light can be avoided to reflect, and then enable to heat to be not easy to gather, therefore can
The problem of further avoiding the temperature inequality of whole liquid crystal display device, and then contrast is improved, avoid the occurrence of aberration.
In the present embodiment, the radius of semicircle 401 is disposed as 0.5mm, the exiting surface that the semicircle 401 of the radius is spliced
42 due to light dispersion effect it is good the characteristics of, and light can be avoided to reflect, and then enable to heat to be not easy
The problem of gathering, therefore can further avoiding the temperature inequality of whole liquid crystal display device, and then contrast is improved, avoid out
Existing aberration.
In the present embodiment, exiting surface 42 and diffuser plate 4 that the semicircle 401 that is arranged in order by several is spliced are one
Structure, and then there is the characteristics of light dispersion effect is good.
In the present embodiment, diffuser plate 4 is diffuser plate 4 made of PP plastics, and then has the characteristics of light dispersion effect is good.
Embodiment 2.
A kind of embodiment 2 of liquid crystal display device that can improve contrast of the present invention, the present embodiment and embodiment 1 are not
It is with part, in the present embodiment, the radius of semicircle 401 is disposed as 1mm, the light extraction that the semicircle 401 of the radius is spliced
Face 42 due to light dispersion effect it is good the characteristics of, and light can be avoided to reflect, and then enable to heat not allow
The problem of easily gathering, therefore can further avoiding the temperature inequality of whole liquid crystal display device, and then contrast is improved, avoid
There is aberration.In the present embodiment, diffuser plate 4 is diffuser plate 4 made of PET, and then with the good spy of light dispersion effect
Point.The other structures and operation principle of the present embodiment are same as Example 1, will not be repeated here.
Embodiment 3.
A kind of embodiment 3 of liquid crystal display device that can improve contrast of the present invention, the present embodiment and embodiment 1 are not
It is with part, in the present embodiment, the radius of semicircle 401 is disposed as 0.01mm, and what the semicircle 401 of the radius was spliced goes out
Smooth surface 42 due to light dispersion effect it is good the characteristics of, and light can be avoided to reflect, and then enable to heat not
The problem of easily gathering, therefore can further avoiding the temperature inequality of whole liquid crystal display device, and then contrast is improved, keep away
Exempt from aberration occur.In the present embodiment, diffuser plate 4 is diffuser plate 4 made of HDPE plastic, and then good with light dispersion effect
Feature.The other structures and operation principle of the present embodiment are same as Example 1, will not be repeated here.
Embodiment 4.
A kind of embodiment 4 of liquid crystal display device that can improve contrast of the present invention, the present embodiment and embodiment 1 are not
It is with part, in the present embodiment, the radius of semicircle 401 is disposed as 3mm, the light extraction that the semicircle 401 of the radius is spliced
Face 42 due to light dispersion effect it is good the characteristics of, and light can be avoided to reflect, and then enable to heat not allow
The problem of easily gathering, therefore can further avoiding the temperature inequality of whole liquid crystal display device, and then contrast is improved, avoid
There is aberration.The other structures and operation principle of the present embodiment are same as Example 1, will not be repeated here.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
- A kind of 1. liquid crystal display device that can improve contrast, it is characterised in that：Including liquid crystal display panel and backlight module, institute State backlight module include back frame, the backlight rearranged by multiple light emitting sources being arranged in the back frame, be arranged at it is described The light guide plate of backlight side and the diffuser plate being arranged on the light guide plate；The liquid crystal display panel is arranged at described The side of diffuser plate；The backlight module also includes the first radiating piece and the second radiating piece, and first radiating piece connects the liquid crystal respectively Show the one end of panel and the light guide plate, second radiating piece connects the liquid crystal display panel and the light guide plate respectively The other end；The backlight module also includes being arranged at heat-conducting piece in the back frame, and what the heat-conducting piece included being connected with each other first leads Hot portion and the second heat-conducting part and the 3rd heat-conducting part being connected with second heat-conducting part, first heat-conducting part are arranged at institute The lower section of light guide plate is stated, second heat-conducting part is surrounded on the side of the backlight, and the 3rd heat-conducting part is by described second Heat-conducting part is extended to outside the back frame.
- A kind of 2. liquid crystal display device that can improve contrast according to claim 1, it is characterised in that：Described first leads Hot portion and second heat-conducting part are formed in one structure.
- A kind of 3. liquid crystal display device that can improve contrast according to claim 1, it is characterised in that：Described second leads Hot portion is arranged to the second heat-conducting part of arc.
- A kind of 4. liquid crystal display device that can improve contrast according to claim 1, it is characterised in that：The heat-conducting piece It is arranged to liquid metal for conducting heat part.
- A kind of 5. liquid crystal display device that can improve contrast according to claim 1, it is characterised in that：The diffuser plate Including incidence surface and exiting surface, the semicircle that the exiting surface of the diffuser plate is arranged in order by several is spliced.
- A kind of 6. liquid crystal display device that can improve contrast according to claim 5, it is characterised in that：The semicircle Radius is disposed as 0.01mm~3mm.
- A kind of 7. liquid crystal display device that can improve contrast according to claim 6, it is characterised in that：The semicircle Radius is disposed as 0.5mm.
- A kind of 8. liquid crystal display device that can improve contrast according to claim 6, it is characterised in that：The semicircle Radius is disposed as 1mm.
- A kind of 9. liquid crystal display device that can improve contrast according to claim 5, it is characterised in that：It is described by some The exiting surface that the individual semicircle being arranged in order is spliced and the diffuser plate are integrative-structures.
- A kind of 10. liquid crystal display device that can improve contrast according to claim 1, it is characterised in that：The diffusion Plate is diffuser plate made of PP plastics, diffuser plate made of PET or diffuser plate made of HDPE plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763322.5A CN107643629A (en) | 2017-08-30 | 2017-08-30 | A kind of liquid crystal display device that can improve contrast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763322.5A CN107643629A (en) | 2017-08-30 | 2017-08-30 | A kind of liquid crystal display device that can improve contrast |
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| Publication Number | Publication Date |
|---|---|
| CN107643629A true CN107643629A (en) | 2018-01-30 |
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ID=61110854
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710763322.5A Pending CN107643629A (en) | 2017-08-30 | 2017-08-30 | A kind of liquid crystal display device that can improve contrast |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020113919A1 (en) * | 2001-02-21 | 2002-08-22 | Au Optronics Corp. | Backlight module for homogenizing the temperature of a flat panel display device |
| CN102193219A (en) * | 2010-03-19 | 2011-09-21 | 奇美电子股份有限公司 | Display apparatus and assembling method thereof |
| CN202067045U (en) * | 2011-05-10 | 2011-12-07 | 深圳市华星光电技术有限公司 | Liquid crystal display device and rear shell of liquid crystal display device |
| CN202975532U (en) * | 2012-12-21 | 2013-06-05 | 京东方科技集团股份有限公司 | Display device |
| CN105739175A (en) * | 2016-03-10 | 2016-07-06 | 青岛海信电器股份有限公司 | Backlight module and display device |
| CN106707579A (en) * | 2016-12-02 | 2017-05-24 | 乐视控股（北京）有限公司 | Liquid crystal module |
-
2017
- 2017-08-30 CN CN201710763322.5A patent/CN107643629A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020113919A1 (en) * | 2001-02-21 | 2002-08-22 | Au Optronics Corp. | Backlight module for homogenizing the temperature of a flat panel display device |
| CN102193219A (en) * | 2010-03-19 | 2011-09-21 | 奇美电子股份有限公司 | Display apparatus and assembling method thereof |
| CN202067045U (en) * | 2011-05-10 | 2011-12-07 | 深圳市华星光电技术有限公司 | Liquid crystal display device and rear shell of liquid crystal display device |
| CN202975532U (en) * | 2012-12-21 | 2013-06-05 | 京东方科技集团股份有限公司 | Display device |
| CN105739175A (en) * | 2016-03-10 | 2016-07-06 | 青岛海信电器股份有限公司 | Backlight module and display device |
| CN106707579A (en) * | 2016-12-02 | 2017-05-24 | 乐视控股（北京）有限公司 | Liquid crystal module |
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Application publication date: 20180130 |
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| RJ01 | Rejection of invention patent application after publication |