CN110133916A - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
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- CN110133916A CN110133916A CN201910472091.1A CN201910472091A CN110133916A CN 110133916 A CN110133916 A CN 110133916A CN 201910472091 A CN201910472091 A CN 201910472091A CN 110133916 A CN110133916 A CN 110133916A
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- 230000004888 barrier function Effects 0.000 claims abstract description 224
- 239000012788 optical film Substances 0.000 claims abstract description 41
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 12
- 238000002834 transmittance Methods 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 87
- 239000004973 liquid crystal related substance Substances 0.000 description 13
- 239000010408 film Substances 0.000 description 12
- 238000005192 partition Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000005142 aphototropism Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of backlight module and display device, backlight modules, comprising: bottom plate, the multiple light sources on bottom plate deviate from the optical film layer of bottom plate side, and the barrier layer being supported between bottom plate and optical film layer positioned at light source；The multiple light sources being located on bottom plate are divided into multiple light emitting regions by barrier layer, and include at least one light source in each light emitting region；Barrier layer, comprising: multiple barrier walls between adjacent light emitting region；Barrier wall, comprising: the first barrier wall, and the second barrier wall between the first barrier wall and optical film layer；In any section perpendicular to the intersection between adjacent light emitting region, the second barrier wall has the tip contacted with optical film layer；At least in the side of barrier wall, the side of the side of the first barrier wall and the second ipsilateral barrier wall is not in the same plane.The backlight module not only can be relieved the bad problem of grid line, but also can effectively obstruct the optical path crosstalk between adjacent light emitting region.
Description
Technical field
The present invention relates to field of display technology, espespecially a kind of backlight module and display device.
Background technique
In recent years, as technology is more and more takes the photograph applied to number for high dynamic range (High-Dynamic Range, HDR)
The fields such as shadow, art of film, television set.If it is special that liquid crystal display need to meet by HDR technical application into liquid crystal display
Technical requirements, specifically, liquid crystal display should be able to realize blockette control.Due to point of light source in down straight aphototropism mode set
The subregion of area and liquid crystal display panel can correspond, and the effect of local dimming (local dimming) is better, keep picture dynamic
State contrast is higher, and display effect is more preferably.
In the prior art, to overcome the problems, such as that local light source lights the light of ring-type caused by being penetrated into adjacent area,
Barrier wall can be set between adjacent light source, avoid the mutual crosstalk of light between different zones.Although barrier wall can prevent light source
Light be diffused into periphery, but since light cannot penetrate the upper end of barrier wall, cause to show that grid line occurs in picture bad
(mura)。
Summary of the invention
The embodiment of the present invention provides a kind of backlight module and display device, existing in the prior art due to resistance to solve
There is the bad problem of grid line in the caused display picture that blocks of partition wall.
The embodiment of the invention provides a kind of backlight modules, comprising: bottom plate, the multiple light sources on the bottom plate,
Deviate from the optical film layer of the bottom plate side positioned at the light source, and is supported between the bottom plate and the optical film layer
Barrier layer；
The multiple light sources being located on the bottom plate are divided into multiple light emitting regions, and each by the barrier layer
It include at least one described light source in the light emitting region；
The barrier layer, comprising: multiple barrier walls between the adjacent light emitting region；
The barrier wall, comprising: positioned at the bottom plate close to first barrier wall on the surface of the optical film layer side, with
And the second barrier wall between first barrier wall and the optical film layer；
In any section perpendicular to the intersection between the adjacent light emitting region, second barrier wall have with
The tip of the optical film layer contact；
At least in the side of the barrier wall, the side of the side of first barrier wall and ipsilateral second barrier wall
Face is not in the same plane.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, in the barrier
The two sides of wall, the side of first barrier wall with the side of ipsilateral second barrier wall not in the same plane.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, second resistance
Two sides of partition wall are plane；Or,
Two sides of second barrier wall are curved surface；Or,
One side of second barrier wall is plane, another side is curved surface.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, only in the resistance
The side of partition wall, the side of the side of first barrier wall and ipsilateral second barrier wall is not in the same plane.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, second resistance
One side of partition wall is plane, another side is plane or curved surface.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, first resistance
The shape of partition wall is cuboid.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, perpendicular to institute
It states on the direction of bottom plate, the height of first barrier wall is greater than or equal to the height of second barrier wall.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, the barrier layer
Light transmittance between 70%~100%.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, the barrier layer
Light transmittance between 85%~90%.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, the barrier layer
Material be white organic matter, metal oxide semiconductor material or metal material.
In one possible implementation, in above-mentioned backlight module provided in an embodiment of the present invention, the barrier layer
It is structure as a whole.
The embodiment of the invention also provides a kind of display devices, comprising: above-mentioned backlight module, and it is located at the backlight mould
The display panel of group light-emitting surface side.
The present invention has the beneficial effect that:
Backlight module provided in an embodiment of the present invention and display device, backlight module, comprising: bottom plate is located on bottom plate
Multiple light sources, the optical film layer of bottom plate side, and the barrier being supported between bottom plate and optical film layer are deviated from positioned at light source
Layer；The multiple light sources being located on bottom plate are divided into multiple light emitting regions by barrier layer, and include extremely in each light emitting region
A few light source；Barrier layer, comprising: multiple barrier walls between adjacent light emitting region；Barrier wall, comprising: be located at bottom
Plate close to the surface of optical film layer side the first barrier wall, and between the first barrier wall and optical film layer second resistance
Partition wall；In any section perpendicular to the intersection between adjacent light emitting region, the second barrier wall has to be connect with optical film layer
The tip of touching；At least in the side of barrier wall, the side of the side of the first barrier wall and the second ipsilateral barrier wall is not same
In plane.Above-mentioned backlight module provided in an embodiment of the present invention, the second barrier wall in barrier wall shine perpendicular to adjacent
There is the tip contacted with optical film layer, the light directive optics of such light source outgoing in any section of intersection between region
It when film layer, can largely reduce the dark line at barrier wall displacement, alleviate display picture and the bad problem of grid line occur,
Moreover, the side of the side of the first barrier wall and the second ipsilateral barrier wall is not in same plane at least in the side of barrier wall
It is interior, it can guarantee the obstructing capacity of the first barrier wall in this way, effectively obstruct the optical path crosstalk between adjacent light emitting region.
Detailed description of the invention
Fig. 1 is the schematic perspective view of backlight module provided in an embodiment of the present invention；
Fig. 2 is the overlooking structure diagram of barrier layer in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of one of embodiment of the present invention barrier wall；
Fig. 4 to Figure 13 is the schematic cross-section corresponding to the backlight module at Fig. 2 middle conductor AB；
Figure 14 is the structural schematic diagram of display device provided in an embodiment of the present invention；
Appended drawing reference: 101, bottom plate；102, light source；103, optical film layer；104, barrier layer；105, light emitting region；20, it hinders
Partition wall；201, the first barrier wall；202, the second barrier wall.
Specific embodiment
For existing in the prior art since display picture caused by the blocking of barrier wall occurs that grid line is undesirable to ask
Topic, the embodiment of the invention provides a kind of backlight module and display devices.
With reference to the accompanying drawing, the specific embodiment of backlight module provided in an embodiment of the present invention and display device is carried out
It explains in detail.The thickness of each film layer and shape do not reflect actual proportions in attached drawing, and purpose is schematically illustrate the content of present invention.
Fig. 1 is the schematic perspective view of one of embodiment of the present invention backlight module, and Fig. 2 is in the embodiment of the present invention
The overlooking structure diagram of barrier layer, Fig. 3 are the structural schematic diagram of one of embodiment of the present invention barrier wall, Fig. 4 to Figure 13
For the schematic cross-section corresponding to the backlight module at Fig. 2 middle conductor AB.
The embodiment of the invention provides a kind of backlight modules, as shown in Figure 1, comprising: bottom plate 101 is located on bottom plate 101
Multiple light sources 102, the optical film layer 103 of 101 side of bottom plate is deviated from positioned at light source 102, and is supported in bottom plate 101 and optics
Barrier layer 104 between film layer 103；
In combination with Fig. 2, the multiple light sources 102 being located on bottom plate 101 are divided into multiple light emitting regions by barrier layer 104
105, and include at least one light source 102 in each light emitting region 105；
Barrier layer 104, comprising: multiple barrier walls 20 between adjacent light emitting region 105, if Fig. 3 is wherein one
The structural schematic diagram of a barrier wall 20；
As shown in Figure 3 and Figure 4, barrier wall 20, comprising: positioned at bottom plate 101 close to 103 side of optical film layer surface
One barrier wall 201, and the second barrier wall 202 between the first barrier wall 201 and optical film layer 103；
In any section (such as section shown in Fig. 4) perpendicular to the intersection between adjacent light emitting region 105, the
Two barrier walls 202 have the tip M contacted with optical film layer 103；
As shown in figure 3, at least in the side of barrier wall 20, the side S1 of the first barrier wall 201 and the second ipsilateral barrier
The side S2 of wall 202 is not in the same plane.
Above-mentioned backlight module provided in an embodiment of the present invention, the second barrier wall in barrier wall shine perpendicular to adjacent
There is the tip contacted with optical film layer, the light directive optics of such light source outgoing in any section of intersection between region
It when film layer, can largely reduce the dark line at barrier wall displacement, alleviate display picture and the bad problem of grid line occur,
Moreover, the side of the side of the first barrier wall and the second ipsilateral barrier wall is not in same plane at least in the side of barrier wall
It is interior, it can guarantee the obstructing capacity of the first barrier wall in this way, effectively obstruct the optical path crosstalk between adjacent light emitting region.
Above-mentioned backlight module provided in an embodiment of the present invention can be applied to the liquid crystal using high dynamic range (HDR) technology
Show in device, the multiple light sources being located on bottom plate is divided by multiple light emitting regions by barrier wall, and pass through control luminous zone
The brightness of light source in domain can be drawn with the emitting brightness of each light emitting region of independent control, multiple light emitting regions with display panel
The display area divided corresponds, so as to control corresponding light emitting region in backlight module according to the light and shade of display image
Emitting brightness display dynamic contrast is improved, to improve display effect to realize the local dimming of liquid crystal display.Specifically
Ground can be improved in the light emitting region of corresponding backlight module for showing bright display area in display image and go out light
Degree can reduce in the light emitting region of corresponding backlight module for showing dark display area in display image and go out light
Degree.
In the specific implementation, the shape of barrier layer can be determined according to the distribution of the display area in liquid crystal display panel,
For example, the display area in liquid crystal display panel is array arrangement, then barrier layer can be fenestral fabric as shown in Figure 2,
Alternatively, liquid crystal display panel can be divided into multiple display areas arranged side by side, then barrier layer may include multiple extending direction phases
The barrier wall of same strip, also, can be determined according to the size of the display area in liquid crystal display panel and craft precision
The quantity of light source in the size of each light emitting region and each light emitting region, herein not to the pattern of barrier layer, and it is every
The quantity of light source in a light emitting region is defined.
In practical applications, above-mentioned optical film layer can be the film layers such as reflecting layer or brightness enhancement film, or other have
The film layer of optical effect, such as scattering film etc. are not defined the specific effect of optical film layer herein, also, above-mentioned optics
Film layer can be made of a tunic layer, be also possible to the composite film being made of stratified film, herein without limitation.
Barrier layer 104 includes multiple barrier walls 20 between adjacent light emitting region 105, each barrier wall 20 can
Think strip structure shown in Fig. 3, the intersection between the extending direction of barrier wall 20 and corresponding adjacent light emitting region 105
Extending direction is consistent, thus, perpendicular to any section of the intersection between adjacent light emitting region 105, it will be appreciated that for perpendicular to
Any section of the extending direction of barrier wall 20, in this section, the second barrier wall 202, which has, to be contacted with optical film layer 103
Tip M, the section of the barrier wall 20 are the shape similar to " pen core type ", that is to say, that the second barrier wall 202 and optical film layer
103 intersection at contact position is a line segment, such as the line segment L indicated in Fig. 3 with heavy line.
In the light being emitted in conjunction with Fig. 4, light source 102 towards optical film layer 103, a part is directly penetrated with vertical or low-angle
To optical film layer 103, another part tilts the second barrier wall of directive 202 at the position of optical film layer 103, due to the second resistance
The intersection of partition wall 202 and optical film layer 103 is only a line segment, corresponds to barrier wall 20 to increase from optical film layer 103
The light being emitted at position, reduces the intermediate region of light emitting region and corresponding to the light intensity between the fringe region of barrier wall 20
Difference avoids the occurrence of the grid line of display picture not to greatly reduce the dark line occurred at barrier wall displacement
It is good.
As shown in figure 4, barrier layer 104 is supported between bottom plate 101 and optical film layer 103, so as to effectively obstruct phase
The height of barrier layer 20 can be set above the height of light source 102 in the specific implementation by the optical path crosstalk between adjacent light emitting region
Degree.In conjunction with Fig. 3, at least in the side of barrier wall 20, the side S1 of the first barrier wall 201 and the second ipsilateral barrier wall 202
In side S2 no longer same plane, also, in technique manufacturing process, barrier layer, thus first are usually formed on bottom plate
The mean breadth of the second barrier wall of mean width ratio 202 of barrier wall 201 is big, and the first barrier wall 201 is enable effectively to obstruct
Optical path crosstalk between adjacent light emitting region, therefore, the backlight module in the embodiment of the present invention can prevent adjacent luminous zone
Light crosstalk between domain, and can utmostly reduce the position that barrier wall is contacted with optical film layer and be unable to caused by light transmission secretly
Line area improves display brightness homogeneity.
In practical applications, in above-mentioned backlight module provided in an embodiment of the present invention, as shown in figure 4, in barrier wall 20
Two sides, the side of the first barrier wall 201 with the side of the second ipsilateral barrier wall 202 not in the same plane.Such as in Fig. 4
Shown in section, tip M is located substantially at the middle part of barrier wall 20, to make the second barrier wall 202 of 102 directive two sides of light source
Tilt angle it is roughly the same, make correspond to 20 position of barrier wall at be emitted light it is more uniform.
Specifically, as shown in figure 4, two sides of the second barrier wall 202 can be plane；Or,
As shown in Figures 5 to 7, two sides of the second barrier wall 202 can be curved surface, the second barrier wall 202 in Fig. 5
Two sides be convex surface, for example, two sides of the second barrier wall 202 may be constructed semicircle, the second barrier wall in Fig. 6
202 two sides are concave surface, and it is concave surface that one of side of the second barrier wall 202, which is another side of convex surface, in Fig. 7；
Or,
As shown in Figure 8 and Figure 9, a side of the second barrier wall 202 is plane, another side is curved surface, the in Fig. 8
One of side of two barrier walls 202 is that another side of convex surface is plane, one of them of the second barrier wall 202 in Fig. 9
Side is that another side of concave surface is plane.
In the specific implementation, in above-mentioned backlight module provided in an embodiment of the present invention, only in the side of barrier wall 20, first
The side of the side of barrier wall 201 and the second ipsilateral barrier wall 202 is not in the same plane.Such as in section shown in Fig. 10
In, tip M is located at the side (being right side in such as figure) of barrier wall 20, to make the second barrier wall 202 on the right side of 102 directive of light source
Tilt angle it is bigger, thus so that the light on the right side of backlight module directive is slightly more than the light on the left of directive, and light source 102 goes out
The most of light penetrated is vertical or is emitted with low-angle, keeps backlight module vertical or the light of left side outgoing is also stronger, thus
Making the backlight module both can apply in some common display devices, such as can be used in the display devices such as mobile TV,
It can apply in some special scenes, such as may be used in vehicle-carrying display screen, for example the vehicle-carrying display screen is mounted on and drives
It sails between position and co-driver, the tip M of the second barrier wall 202 can be configured closer to the position of operator seat, to make to drive
The clearer viewing vehicle-carrying display screen of the person of sailing, what the passenger and rear passenger for being sitting in co-driver certainly can also be apparent sees clearly
The display content of vehicle-carrying display screen, is merely illustrative herein, is not defined to the application scenarios of backlight module.
Specifically, above-mentioned backlight module provided in an embodiment of the present invention, a side of the second barrier wall 202 are plane,
Another side is plane or curved surface.As shown in Figure 10 and Figure 11, two sides of the second barrier wall 202 are plane, are such as schemed
Shown in 12, a side of the second barrier wall 202 is plane, another side is convex surface, as shown in figure 13, the second barrier wall
202 side is plane, another side is concave surface.
Optionally, in above-mentioned backlight module provided in an embodiment of the present invention, as shown in Fig. 4 to Figure 13, the first barrier wall 201
Shape be cuboid.By taking section shown in Fig. 4 as an example, the equivalent width of the first barrier wall 201, to make the first barrier wall
201 obstructing capacity at each height is roughly the same, and the light for obstructing the first barrier wall 201 at each height is more uniform.This
Outside, in the specific implementation, the first barrier wall 201 or other shapes, such as section are six faces of trapezoid or inverted trapezoidal
Body, or other shapes are not defined the concrete shape of the first barrier wall herein.
In practical applications, in above-mentioned backlight module provided in an embodiment of the present invention, by taking section shown in Fig. 4 as an example,
Perpendicular on the direction of bottom plate 101, the height of the first barrier wall 201 is greater than or equal to the height of the second barrier wall 202.Due to resistance
The main function of partition wall 20 is barrier light, avoids the optical path crosstalk of adjacent light emitting region, wherein the first barrier wall 201 is main
Play a part of to obstruct the light between adjacent light emitting region, 202 one side of the second barrier wall plays certain barrier light
On the other hand effect can avoid occurring apparent concealed wire from the position that optical film layer corresponds to the second barrier wall 202, thus will
The height of first barrier wall 201 be set greater than or equal to the second barrier wall 202 height, it is ensured that barrier wall 20 has preferable
Barrier light function.
Specifically, in above-mentioned backlight module provided in an embodiment of the present invention, the light transmittance of barrier layer 70%~100% it
Between.That is, barrier layer is not the structure of a complete shading, barrier layer has the function of certain barrier light,
With certain translucency, so that the light for avoiding light source from being emitted is lost after barrier layer too much, to guarantee backlight module
Emitting brightness.Also, the light transmittance of barrier layer is higher, is less susceptible to dark line occur, but the function meeting of the barrier light of barrier wall
It is weaker, in the specific implementation, need to reasonably select the light transmittance of barrier layer according to the actual situation.
Further, the light transmittance of above-mentioned barrier layer can be between 85%~90%.Since the embodiment of the present invention provides
Above-mentioned backlight module in second barrier wall and optical film layer contact area it is smaller, thus the light of backlight module outgoing
Dark line is smaller, it is not easy to grid line occurs and show bad, thus the barrier layer in the backlight module in the embodiment of the present invention is optional
Select the slightly smaller material of light transmittance, to guarantee that barrier wall has preferable barriering effect, therefore, may be selected light transmittance 85%~
Material between 90% is as barrier layer.In the specific implementation, according to actual needs, and the first barrier wall and second can be combined
The height ratio of barrier wall is not defined the light transmittance of barrier layer herein to determine the zone of reasonableness of light transmittance.
Specifically, in above-mentioned backlight module provided in an embodiment of the present invention, the material of above-mentioned barrier layer can have for white
Machine object, metal oxide semiconductor material or metal material.Barrier layer can make the light of most of wave band using white organic matter
Line penetrates, such as can be using the resin material of white or other white organic matters.Alternatively, it is also possible to use metal oxide
Semiconductor material, such as tin indium oxide (Indium tin oxide, ITO) etc., or some metal materials, example can also be used
Such as metal molybdenum.In addition it is also possible to make barrier layer using other materials, the material of barrier layer is not defined herein.
In the specific implementation, in above-mentioned backlight module provided in an embodiment of the present invention, above-mentioned barrier layer is structure as a whole, this
Sample can form the barrier layer of flood in manufacturing process on bottom plate, then using mask plate or other molds to resistance
The region that interlayer corresponds to barrier wall is blocked, and is removed the barrier layer obstructed other than wall displacement using etching or other techniques
It removes, to obtain the figure of barrier layer, barrier layer setting is structure as a whole, each barrier wall can be more readily formed, and compare
In splicing each barrier wall, it also can guarantee that barrier layer has the function of preferably obstructing light.In addition it is also possible to using inkjet printing
Etc. techniques directly form the shape of each barrier wall, the manufacture craft of barrier layer is not defined herein.
Based on the same inventive concept, the embodiment of the invention also provides a kind of display device, including above-mentioned backlight module, with
And the display panel positioned at backlight module light-emitting surface side.The display panel can be liquid crystal display panel, specifically, the liquid crystal
Display panel, comprising: array substrate, the opposite substrate being oppositely arranged with array substrate, and it is located at array substrate and opposite base
Liquid crystal layer between plate.The display device can be applied to any products or components having a display function, such as mobile phone, such as scheme
Shown in 14, the backlight module of the mobile phone can use above-mentioned backlight module provided in an embodiment of the present invention, in addition, the display device
It can also be applied in the products such as tablet computer, television set, display, laptop, Digital Frame, navigator or device.
Since the principle that the display device solves the problems, such as is similar to above-mentioned backlight module, the implementation of the display device be may refer to
The implementation of backlight module is stated, overlaps will not be repeated.
Above-mentioned backlight module provided in an embodiment of the present invention and display device, the second barrier wall in barrier wall perpendicular to
There is the tip contacted with optical film layer, the light of such light source outgoing in any section of intersection between adjacent light emitting region
It when line directive optical film layer, can largely reduce the dark line at barrier wall displacement, alleviate display picture and grid line occur
Bad problem, moreover, the side of the side of the first barrier wall and the second ipsilateral barrier wall is not at least in the side of barrier wall
In the same plane, it can guarantee the obstructing capacity of the first barrier wall in this way, effectively obstruct the light between adjacent light emitting region
Road crosstalk.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (12)
1. a kind of backlight module characterized by comprising bottom plate, the multiple light sources on the bottom plate are located at the light
Source deviates from the optical film layer of the bottom plate side, and the barrier layer being supported between the bottom plate and the optical film layer；
The multiple light sources being located on the bottom plate are divided into multiple light emitting regions by the barrier layer, and described in each
It include at least one described light source in light emitting region；
The barrier layer, comprising: multiple barrier walls between the adjacent light emitting region；
The barrier wall, comprising: positioned at the bottom plate close to first barrier wall on the surface of the optical film layer side, Yi Jiwei
The second barrier wall between first barrier wall and the optical film layer；
In any section perpendicular to the intersection between the adjacent light emitting region, second barrier wall have with it is described
The tip of optical film layer contact；
At least in the side of the barrier wall, the side of the side of first barrier wall and ipsilateral second barrier wall is not
In the same plane.
2. backlight module as described in claim 1, which is characterized in that in the two sides of the barrier wall, first barrier wall
Side with the side of ipsilateral second barrier wall not in the same plane.
3. backlight module as claimed in claim 2, which is characterized in that two sides of second barrier wall are plane；
Or,
Two sides of second barrier wall are curved surface；Or,
One side of second barrier wall is plane, another side is curved surface.
4. backlight module as described in claim 1, which is characterized in that only in the side of the barrier wall, first barrier
The side of the side of wall and ipsilateral second barrier wall is not in the same plane.
5. backlight module as claimed in claim 4, which is characterized in that a side of second barrier wall is plane, separately
One side is plane or curved surface.
6. backlight module as described in claim 1, which is characterized in that the shape of first barrier wall is cuboid.
7. backlight module as described in claim 1, which is characterized in that on the direction perpendicular to the bottom plate, described first
The height of barrier wall is greater than or equal to the height of second barrier wall.
8. backlight module as described in claim 1, which is characterized in that the light transmittance of the barrier layer 70%~100% it
Between.
9. backlight module as claimed in claim 8, which is characterized in that the light transmittance of the barrier layer 85%~90% it
Between.
10. backlight module as claimed in claim 8, which is characterized in that the material of the barrier layer is white organic matter, metal
Oxide semiconductor material or metal material.
11. such as the described in any item backlight modules of claim 1~10, which is characterized in that the barrier layer is structure as a whole.
12. a kind of display device characterized by comprising backlight module as claimed in any one of claims 1 to 11, and
Display panel positioned at backlight module light-emitting surface side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472091.1A CN110133916A (en) | 2019-05-31 | 2019-05-31 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472091.1A CN110133916A (en) | 2019-05-31 | 2019-05-31 | A kind of backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110133916A true CN110133916A (en) | 2019-08-16 |
Family
ID=67579654
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910472091.1A Pending CN110133916A (en) | 2019-05-31 | 2019-05-31 | A kind of backlight module and display device |
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| Country | Link |
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| CN (1) | CN110133916A (en) |
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| WO2023000238A1 (en) * | 2021-07-22 | 2023-01-26 | 瑞仪光电(南京)有限公司 | Backlight module and display device |
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Application publication date: 20190816 |