CN107561779A - A kind of liquid crystal display device for the utilization rate for increasing light - Google Patents
A kind of liquid crystal display device for the utilization rate for increasing light Download PDFInfo
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- CN107561779A CN107561779A CN201710765110.0A CN201710765110A CN107561779A CN 107561779 A CN107561779 A CN 107561779A CN 201710765110 A CN201710765110 A CN 201710765110A CN 107561779 A CN107561779 A CN 107561779A
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- liquid crystal
- crystal display
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- utilization rate
- display device
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Abstract
The present invention relates to liquid crystal display device technical field, and in particular to a kind of liquid crystal display device for the utilization rate for increasing light, it includes liquid crystal display panel and backlight module, and backlight module includes back frame, backlight, light guide plate, diffuser plate；Backlight is provided with the first speculum close to the side-lower of light guide plate, and backlight is provided with the second speculum above the side of light guide plate, and the first speculum and the second speculum are obliquely installed and reflecting surface is towards backlight；Diffuser plate includes incidence surface and exiting surface, and the exiting surface of diffuser plate is arranged to corrugated surface, and corrugated surface is spliced by several shape identical arc convex and arc-shaped concave.Due to passing through the first speculum and the second speculum, the amount light into light guide plate can be greatly improved, and then increase the utilization rate of light, in addition, because the exiting surface of diffuser plate is arranged to corrugated surface, corrugated surface is spliced by several shape identical arc convex and arc-shaped concave, further increases light utilization.
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 of utilization rate for increasing light
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, its light source are usually to be scattered diffusion by diffuser plate again after light guide plate
's.However, in the prior art, the inlet that light source enters light guide plate is not high enough, causes light utilization relatively low.In addition, light source
When the light sent is projected after diffuser plate by the exiting surface of diffuser plate, because light is entered by the larger diffuser plate of refractive index
Enter in the less air dielectric of refractive index, therefore, can occur into the part light after diffuser plate at the exiting surface of diffuser plate entirely
Reflection, and cause the part light to project diffuser plate, and then cause the light transmittance of diffuser plate to decline, that is, further result in light
Line use ratio is relatively low.
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 of utilization rate for increasing light
Put.
To achieve the above object, the present invention provides following technical scheme：
A kind of liquid crystal display device for the utilization rate for increasing light, including liquid crystal display panel and backlight module are provided, it is described
Backlight module includes back frame, the backlight rearranged by multiple light emitting sources being arranged in the back frame, is arranged at the back of the body
The light guide plate of light source side and the diffuser plate being arranged on the light guide plate；The liquid crystal display panel is arranged at the expansion
The side fallen apart；
The backlight is provided with the first speculum close to the side-lower of the light guide plate, and the backlight is led close to described
The second speculum is provided with above the side of tabula rasa, first speculum is obliquely installed and reflected with second speculum
Face is towards the backlight；
The diffuser plate includes incidence surface and exiting surface, and the exiting surface of the diffuser plate is arranged to corrugated surface, the ripple
Face is spliced by several shape identical arc convex and arc-shaped concave.
The angle of first speculum and second speculum relative level line respectively is arranged to 10 degree~30 degree.
The liquid crystal display device of the utilization rate of the increase light also includes the first supporting plate, and first supporting plate is arranged at
The lower section of the backlight and it is fixed on the back frame；
First supporting plate is fixed in one end of first speculum, and the other end of first speculum is fixed on
The back frame.
The second supporting plate, one end of second speculum are provided between the light guide plate and the liquid crystal display panel
Second supporting plate is fixed on, the other end of second speculum is fixed on the back frame.
The corrugated surface is spliced by half equal rounded convex of several radiuses and semicircular concave.
The radius of the semicircle is arranged to 0.01mm~3mm.
The corrugated surface and the diffuser plate are integrative-structures.
The diffuser plate is diffuser plate made of PP plastics.
The diffuser plate is diffuser plate made of PET.
The diffuser plate is diffuser plate made of HDPE plastic.
Beneficial effects of the present invention：
(1) liquid crystal display device of the utilization rate of a kind of increase light of the invention, including liquid crystal display panel and backlight mould
Group, backlight module include back frame, the backlight rearranged by multiple light emitting sources being arranged in back frame, are arranged at backlight one
The light guide plate of side and the diffuser plate being arranged on light guide plate；Liquid crystal display panel is arranged at the side of diffuser plate；Backlight leans on
The side-lower of nearly light guide plate is provided with the first speculum, and backlight is provided with the second speculum above the side of light guide plate, the
One speculum and the second speculum are obliquely installed and reflecting surface is towards backlight；Diffuser plate includes incidence surface and light extraction
Face, the exiting surface of diffuser plate are arranged to corrugated surface, and corrugated surface is spliced by several shape identical arc convex and arc-shaped concave
Form.Due to that by the first speculum and the second speculum, the amount light into light guide plate can be greatly improved, and then increase light
Utilization rate, further, since the exiting surface of diffuser plate is arranged to corrugated surface, corrugated surface is by several shape identical arc convex
It is spliced with arc-shaped concave, and then causes light that diffraction injection diffusion can occur at exiting surface after entering diffuser plate
Plate, and then the loss of luminous energy is reduced, further increase light utilization.
(2) liquid crystal display device of the utilization rate of a kind of increase light of the invention, have simple in construction, production cost is low,
And the characteristics of large-scale production can be adapted to.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the liquid crystal display device of the utilization rate of increase light of the present invention.
Reference：
Back frame 1；
Backlight 2；
Light guide plate 3；
Diffuser plate 4, incidence surface 41, exiting surface 42, arc convex 401, arc-shaped concave 402；
Liquid crystal display panel 5；
First speculum 6；
Second speculum 7；
First supporting plate 8；
Second supporting plate 9.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
Embodiment 1.
The liquid crystal display device of the utilization rate of a kind of increase light of the present embodiment, as shown in figure 1, including liquid crystal display panel
5 and backlight module, backlight module includes 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 2 is provided with the first speculum 6 close to the side-lower of light guide plate 3, and backlight 2 is close to the side of light guide plate 3
Top is provided with the second speculum 7, and the first speculum 6 and the second speculum 7 are obliquely installed and reflecting surface is towards backlight
Source 2；Diffuser plate 4 includes incidence surface 41 and exiting surface 42, and the exiting surface 42 of diffuser plate 4 is arranged to corrugated surface, and corrugated surface is by some
Individual shape identical arc convex 401 and arc-shaped concave 402 are spliced.Due to passing through the first speculum 6 and the second speculum
7, the amount light into light guide plate 3 can be greatly improved, and then increase the utilization rate of light, further, since the exiting surface of diffuser plate 4
42 are arranged to corrugated surface, and corrugated surface is spliced by several shape identical arc convex 401 and arc-shaped concave 402, and then
So that after entering diffuser plate 4 diffraction injection diffuser plate 4 can occur at exiting surface 42 for light, and then reduce luminous energy
Loss, further increases light utilization.
In the present embodiment, the angle of the first speculum 6 and the second speculum 7 relative level line respectively is arranged to 20 degree.Should
Angle causes by the first speculum 6 and the second speculum 7, the amount light into light guide plate 3 can be greatly improved, and then increase
The utilization rate of light.
In the present embodiment, the liquid crystal display device of the utilization rate of the increase light also includes the first supporting plate 8, the first supporting plate
8 are arranged at the lower section of backlight 2 and are fixed on back frame 1；The first supporting plate 8 is fixed in one end of first speculum 6, and first is anti-
The other end for penetrating mirror 6 is fixed on back frame 1, and then to pass through the first speculum 6, and the light into light guide plate 3 can be greatly improved
Line amount, and then increase the utilization rate of light.
In the present embodiment, the second supporting plate 9 is provided between light guide plate 3 and liquid crystal display panel 5, the second speculum 7
The second supporting plate 9 is fixed in one end, and the other end of the second speculum 7 is fixed on back frame 1, and then to pass through the second speculum 7,
The amount light into light guide plate 3 can be greatly improved, and then increase the utilization rate of light.
In the present embodiment, corrugated surface is spliced by half equal rounded convex of several radiuses and semicircular concave, and then is made
Diffraction injection diffuser plate 4 can be occurred at exiting surface 42 by obtaining after light enters diffuser plate 4, and then reduce the damage of luminous energy
Consumption, substantially increases light utilization.
The radius of semicircle is arranged to 1mm.After the corrugated surface that the semicircle of the radius is spliced causes light to enter diffuser plate 4
Diffraction can occur at exiting surface 42 and project diffuser plate 4, and then reduce the loss of luminous energy, substantially increase light profit
With rate.
In the present embodiment, corrugated surface and diffuser plate 42 are integrative-structures, and then cause light enters after diffuser plate 4 can be
Diffraction occurs at exiting surface 42 and projects diffuser plate 4, and then reduces the loss of luminous energy, substantially increases light utilization.
In the present embodiment, diffuser plate 4 is diffuser plate 4 made of PP plastics, and diffuser plate 4 can be easy to light made of PP plastics
The scattering diffusion of line, and then the loss of luminous energy is reduced, further increase light utilization.
Embodiment 2.
A kind of embodiment 2 of the liquid crystal display device of the utilization rate of increase light of the present invention, the present embodiment and embodiment 1
Difference is, in the present embodiment, the angle of the first speculum 6 and the second speculum 7 relative level line respectively is arranged to 10
Degree.The angle, by the first speculum 6 and the second speculum 7, the amount light into light guide plate 3 can be greatly improved, enter
And increase the utilization rate of light.In the present embodiment, the radius of semicircle is arranged to 0.5mm, the ripple that the semicircle of the radius is spliced
Face causes light that diffraction injection diffuser plate 4 can occur at exiting surface 42 after entering diffuser plate 4, and then reduces luminous energy
Loss, substantially increase light utilization.In the present embodiment, diffuser plate 4 is diffuser plate 4 made of PET, and the PET is moulded
Diffuser plate 4 made of material can be easy to the scattering of light to spread, and then can reduce the loss of luminous energy, further increase light
Utilization rate.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 the liquid crystal display device of the utilization rate of increase light of the present invention, the present embodiment and embodiment 1
Difference is, in the present embodiment, the angle of the first speculum 6 and the second speculum 7 relative level line respectively is arranged to 30
Degree.The angle, by the first speculum 6 and the second speculum 7, the amount light into light guide plate 3 can be greatly improved, enter
And increase the utilization rate of light.In the present embodiment, the radius of semicircle is arranged to 0.01mm, the ripple that the semicircle of the radius is spliced
Face causes light that diffraction injection diffuser plate 4 can occur at exiting surface 42 after entering diffuser plate 4, and then reduces luminous energy
Loss, substantially increase light utilization.In the present embodiment, diffuser plate 4 is diffuser plate 4 made of HDPE plastic, the HDPE
Diffuser plate 4 made of plastics can be easy to the scattering of light to spread, and then can reduce the loss of luminous energy, further increase
Light utilization.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 the liquid crystal display device of the utilization rate of increase light of the present invention, the present embodiment and embodiment 1
Difference is, in the present embodiment, the radius of semicircle is arranged to 3mm, and the corrugated surface that the semicircle of the radius is spliced causes
After entering diffuser plate 4 diffraction injection diffuser plate 4 can occur at exiting surface 42 for light, and then reduce the damage of luminous energy
Consumption, substantially increases light utilization.The other structures and operation principle of the present embodiment are same as Example 1, no longer superfluous herein
State.
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 for the utilization rate for increasing light, it is characterised in that：Including liquid crystal display panel and backlight module, The backlight module includes back frame, the backlight rearranged by multiple light emitting sources being arranged in the back frame, is arranged at institute State 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 institute State the side of diffuser plate；The backlight is provided with the first speculum close to the side-lower of the light guide plate, and the backlight is close to the light guide plate Side above be provided with the second speculum, first speculum is obliquely installed with second speculum and reflecting surface is equal Towards the backlight；The diffuser plate includes incidence surface and exiting surface, and the exiting surface of the diffuser plate is arranged to corrugated surface, the corrugated surface by Several shape identical arc convex and arc-shaped concave are spliced.
- A kind of 2. liquid crystal display device of utilization rate for increasing light according to claim 1, it is characterised in that：Described first The angle of speculum and second speculum relative level line respectively is arranged to 10 degree~30 degree.
- A kind of 3. liquid crystal display device of utilization rate for increasing light according to claim 1, it is characterised in that：The increase The liquid crystal display device of the utilization rate of light also includes the first supporting plate, and first supporting plate is arranged at the lower section of the backlight And it is fixed on the back frame；First supporting plate is fixed in one end of first speculum, and the other end of first speculum is fixed on described Back frame.
- A kind of 4. liquid crystal display device of utilization rate for increasing light according to claim 1, it is characterised in that：The leaded light The second supporting plate is provided between plate and the liquid crystal display panel, one end of second speculum is fixed on described second Fagging, the other end of second speculum are fixed on the back frame.
- A kind of 5. liquid crystal display device of utilization rate for increasing light according to claim 1, it is characterised in that：The ripple Face is spliced by half equal rounded convex of several radiuses and semicircular concave.
- A kind of 6. liquid crystal display device of utilization rate for increasing light according to claim 5, it is characterised in that：The semicircle Radius be arranged to 0.01mm~3mm.
- A kind of 7. liquid crystal display device of utilization rate for increasing light according to claim 1, it is characterised in that：The ripple Face and the diffuser plate are integrative-structures.
- A kind of 8. liquid crystal display device of utilization rate for increasing light according to claim 1, it is characterised in that：The diffusion Plate is diffuser plate made of PP plastics.
- A kind of 9. liquid crystal display device of utilization rate for increasing light according to claim 1, it is characterised in that：The diffusion Plate is diffuser plate made of PET.
- A kind of 10. liquid crystal display device of utilization rate for increasing light according to claim 1, it is characterised in that：The expansion Fall apart as diffuser plate made of HDPE plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765110.0A CN107561779A (en) | 2017-08-30 | 2017-08-30 | A kind of liquid crystal display device for the utilization rate for increasing light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765110.0A CN107561779A (en) | 2017-08-30 | 2017-08-30 | A kind of liquid crystal display device for the utilization rate for increasing light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107561779A true CN107561779A (en) | 2018-01-09 |
Family
ID=60978349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710765110.0A Pending CN107561779A (en) | 2017-08-30 | 2017-08-30 | A kind of liquid crystal display device for the utilization rate for increasing light |
Country Status (1)
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|---|---|---|---|---|
| CN1549027A (en) * | 2003-05-21 | 2004-11-24 | 力捷电脑股份有限公司 | Sidelight type back light module and liquid crystal display device |
| KR20060007518A (en) * | 2004-07-20 | 2006-01-26 | 비오이 하이디스 테크놀로지 주식회사 | Back light unit for lcd |
| CN1922509A (en) * | 2004-02-27 | 2007-02-28 | 通用电气公司 | Diffuser for flat panel display |
| CN101216637A (en) * | 2004-12-21 | 2008-07-09 | 三星电子株式会社 | Backlight assembly and display device having the same |
| CN102213788A (en) * | 2010-03-26 | 2011-10-12 | 友辉光电股份有限公司 | Optical substrates having light collimating and diffusion structures |
| CN202048503U (en) * | 2011-03-08 | 2011-11-23 | 广东泰德科技有限公司 | LED (Light-Emitting Diode) backlight module diffusion board |
| CN105093390A (en) * | 2015-08-12 | 2015-11-25 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2017
- 2017-08-30 CN CN201710765110.0A patent/CN107561779A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1549027A (en) * | 2003-05-21 | 2004-11-24 | 力捷电脑股份有限公司 | Sidelight type back light module and liquid crystal display device |
| CN1922509A (en) * | 2004-02-27 | 2007-02-28 | 通用电气公司 | Diffuser for flat panel display |
| KR20060007518A (en) * | 2004-07-20 | 2006-01-26 | 비오이 하이디스 테크놀로지 주식회사 | Back light unit for lcd |
| CN101216637A (en) * | 2004-12-21 | 2008-07-09 | 三星电子株式会社 | Backlight assembly and display device having the same |
| CN102213788A (en) * | 2010-03-26 | 2011-10-12 | 友辉光电股份有限公司 | Optical substrates having light collimating and diffusion structures |
| CN202048503U (en) * | 2011-03-08 | 2011-11-23 | 广东泰德科技有限公司 | LED (Light-Emitting Diode) backlight module diffusion board |
| CN105093390A (en) * | 2015-08-12 | 2015-11-25 | 京东方科技集团股份有限公司 | Backlight module and display device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |
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| RJ01 | Rejection of invention patent application after publication |