CN106597744A - Backlight module and liquid crystal display - Google Patents
Backlight module and liquid crystal display Download PDFInfo
- Publication number
- CN106597744A CN106597744A CN201611257756.XA CN201611257756A CN106597744A CN 106597744 A CN106597744 A CN 106597744A CN 201611257756 A CN201611257756 A CN 201611257756A CN 106597744 A CN106597744 A CN 106597744A
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- light guide
- guide plate
- fixed support
- light
- plate
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 13
- 238000004020 luminiscence type Methods 0.000 claims description 51
- 238000005286 illumination Methods 0.000 claims description 11
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000005142 aphototropism Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight module, comprising a backboard and a light guide plate array tiled on the backboard. The light guide plate array comprises at least two light guide plates which are arranged side by side. Two opposite side surfaces of each light guide plate are incidence surfaces. A first light-emitting assembly is arranged between the incidence surfaces of each two adjacent light guide plates. The first light-emitting assembly comprises a circuit board, and a light source and a first fixed support arranged on the circuit board. The first fixed support is fixed connected with two adjacent light guide plates which are on two sides of the first fixed support. The outer side of the light guide plate array is provided with a second light-emitting assembly. The second light-emitting assembly provides incident light for the outmost light guide plate of the light guide plate array. The invention also discloses a liquid crystal display with the backlight module. The scheme of the invention can realize local brightness control of a screen, and makes a product thinner, and improves appearance quality.
Description
Technical field
The present invention relates to liquid crystal manufacturing technology field, more particularly to a kind of backlight module and the liquid with the backlight module
Crystal display.
Background technology
The backlight module of side entering type, arranges light source, then light guide plate of arranging in pairs or groups in the periphery of liquid crystal panel, from face plate edge
The light transmission light guide plate penetrated is sent to the middle section of panel.But, side entrance back module will be carried on the back by one piece of light guide plate
Light spreads apart, and conduction of the light in light guide plate is simultaneously uncontrollable, it is impossible to realize the local luminance control of screen, it is impossible to accomplish many points
Area's functional design.
The content of the invention
In view of this, the invention provides a kind of backlight module and the liquid crystal display with the backlight module, can
The local luminance control of screen is realized, and makes product thinner, lift exterior quality.
Including backboard and the guide-lighting plate array being laid on the backboard；The guide-lighting plate array includes at least two side by side
The light guide plate of setting, two opposite flanks of each light guide plate are incidence surface, the institute of the adjacent light guide plate of each two
State；First luminescence component includes circuit board and on the circuit board
Light source and the first fixed support, first fixed support light guide plate adjacent with the two of its both sides are fixedly connected with；Institute
State and on the outside of guide-lighting plate array, be provided with the second luminescence component, second luminescence component is outermost in the guide-lighting plate array
The light guide plate provides incident illumination.
Wherein, the light direction of the multiple described light source in first luminescence component is consistent, and one described first
Luminescence component is that a light guide plate being adjacent provides incident illumination one to one.
Wherein, the light direction of the multiple described light source in first luminescence component is arranged in a crossed manner, so that described first
Luminescence component provides incident illumination for two adjacent light guide plates of its both sides.
Wherein, second luminescence component includes circuit board and the light source on the circuit board and the second fixation
Frame, second fixed support are fixedly connected with the outermost light guide plate in the guide-lighting plate array.
Wherein, first fixed support includes top board and projection on the top board with second fixed support
Side plate；First top board has first surface, the leaded light adjacent with two of the first surface in first fixed support
A laminating in plate, the first surface in second fixed support and the outermost leaded light in the guide-lighting plate array
Plate is fitted；One end on the side plate away from the top board is connected with the circuit board, and first side plate has second surface,
The second surface is inside contracted within the sideline of the first surface；The first surface is connected in angle with the second surface
To form the first clamping part；A card in the first clamping part light guide plate adjacent with two in first fixed support
Hold, the first clamping part in second fixed support and the outermost light guide plate clamping in the guide-lighting plate array.
Wherein, the top board is provided with elastic arm, and the elastic arm is provided with the second clamping part away from one end of the top board,
Second clamping part is located at the opposite sides of the top board respectively with first clamping part, in first fixed support
Another clamping in second clamping part light guide plate adjacent with two.
Wherein, first fixed support is made of clear material with second fixed support.
Wherein, the top board is provided with supporting part, and the supporting part is with the side plate respectively positioned at the relative of the top board
Two sides；It is supported by diffuser plate and blooming piece on the supporting part successively.
Wherein, reflector plate is provided between each described light guide plate and the backboard.
A kind of liquid crystal display, including above-mentioned backlight module.
The solution of the present invention, the light source of each light guide plate side individually can be controlled, and can accomplish to become more meticulous regulation often
The light-source brightness of individual light guide plate side, so as to carry out local luminance adjustment to whole screen, realizes multi partition functional design and moves
State intelligent backlight.There is the image display effect of high-contrast using the liquid crystal display of this backlight module, product specification is obtained
Lifted.As light guide plate is side incident, light source will not take the structure space above light guide plate located at the side of light guide plate,
Therefore the slimming of backlight module and liquid crystal display, improving product exterior quality can be accomplished.In addition, using fixed support energy
It is enough light guide plate to be spliced and is fixed, it is ensured that the splicing construction of light guide plate is consolidated, it is ensured that stably go out light.
Description of the drawings
In order to be illustrated more clearly that technical scheme, accompanying drawing to be used needed for embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained such as these accompanying drawings.
Fig. 1 is the decomposition texture schematic diagram of the backlight module of first embodiment of the invention；
Fig. 2 is the package assembly signal that part light guide plate is spliced by fixed support with light source, circuit board assemblies in Fig. 1
Figure；
Fig. 3 is the partial enlargement structural representation in Fig. 2 at I；
Fig. 4 is that light source in Fig. 2 on the right side of outermost light guide plate, circuit board assemblies are illustrated with support bracket fastened package assembly
Figure；
Fig. 5 is the structural representation in one direction of fixed support in Fig. 4；
Fig. 6 is the structural representation in another direction of fixed support in Fig. 4；
Fig. 7 is the assembly structure diagram of the backlight module of second embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Following examples of the present invention provide a kind of backlight module and the liquid crystal display with the backlight module.
As depicted in figs. 1 and 2, the backlight module 10 of first embodiment of the invention includes backboard 15 and is laid on backboard 15
Guide-lighting plate array 13.
Wherein, guide-lighting plate array 13 includes at least two light guide plates being arranged side by side.Two phases of each light guide plate
Incidence surface is to side, between the incidence surface of the adjacent light guide plate of each two, the first luminescence component is equipped with.It is described
First luminescence component includes circuit board and light source and the first fixed support on the circuit board.First fixed support
The light guide plate adjacent with the two of its both sides is fixedly connected with.The second luminescence component is provided with the outside of the guide-lighting plate array,
Second luminescence component provides incident illumination for outermost light guide plate 133 in guide-lighting plate array 13.
In the present embodiment, in order to succinctly describe to give top priority to what is the most important, 5 battle arrays in guide-lighting plate array 13 in Fig. 1, are illustrate only
The light guide plate of row arrangement, illustrate only in Fig. 2 and 4 the first fixed supports or the second fixed support is provided with the right side of each light guide plate,
And some light sources.It should be understood that this it is simply a kind of illustrate, can essentially appropriate design light guide plate, first or the as needed
The quantity of two fixed supports and light source, and the left side that light source and the second fixed support are located at the guide-lighting plate array.And
Light guide plate 131～133, light source 171 and 172, and first fixed support 161 and second fixation have been marked in Fig. 1 and Fig. 2 only
Frame 162, to schematically illustrate.
Specifically, as shown in Figures 2 and 3, the side 1321 of light guide plate 132,133 side 1331 and 1332 of light guide plate are
Incidence surface, i.e. incidence surface direction are vertical with the thickness direction of light guide plate.The light guide plate that the definition of incidence surface is not marked for other
It is also suitable.
As shown in figure 3, incidence surface (the i.e. side of the incidence surface (i.e. side 1321) of light guide plate 132 and light guide plate 133
1331) the first luminescence component is provided between (figure is not marked).First luminescence component includes circuit board 181, located at circuit board 181
On light source 171 and the first fixed support 161.First fixed support 161 is equal with adjacent light guide plate 132 and light guide plate 133
It is fixedly linked, for splicing light guide plate 132 and 133, and light guide plate 132 and 133 and circuit board 181 is fixed with one.
As shown in figure 3, the right side of light guide plate 133 is provided with the second luminescence component (figure is not marked).Second luminescence component is
Light guide plate 133 provides incident illumination, i.e., the side 1332 of the overall light direction of described second luminescence component towards light guide plate 133.
Preferably, the part of second luminescence component and first luminescence component constitute and its in each corresponding component
Structure is completely the same.For example, second luminescence component includes circuit board 182, the light source 172 on circuit board 182 and
Two fixed supports 162, wherein circuit board 182 are identical with 181 structure of circuit board；Light source 172 is identical with 171 structure of light source；Second
Fixed support 162 is identical with 161 structure of the first fixed support, and the second fixed support 162 is for by light guide plate 133 and circuit board
182 are fixed with one.Second luminescence component described in setting structure identical and first luminescence component, are easy to simplify product and set
Meter.Certainly, in other embodiments, second luminescence component can be different from the version of first luminescence component.
For example, second luminescence component can not include the second fixed support, and the light source in second luminescence component can be with institute
State the difference in the first luminescence component.
In the present embodiment, second luminescence component is unidirectionally to go out light.In second luminescence component light source 172 and with light
The light source of 172 same row of source goes out light to the left, and its incident ray enters light guide plate 133 from the side 1332 of light guide plate 133.
In an embodiment of the present embodiment, first luminescence component can unidirectionally go out light.In view of described
Two luminescence components are to go out light to the left, and the light direction of each light source in first luminescence component is consistent, and goes out to the left
Light.Also, first luminescence component can be that a light guide plate being adjacent provides incident illumination one to one.Example
Such as, in first luminescence component light source 171 and go out light to the left with the light source of 171 same row of light source, its incident ray from
The side 1321 of light guide plate 132 enters light guide plate 132.In this mode, the light source on each light guide plate and its right side forms a light
The light element that line side enters, each described light element collective effect produce backlight.
In the another embodiment of the present embodiment, first luminescence component can be it is two-way go out light.Described first
In optical assembly, the light direction of multiple light sources is arranged in a crossed manner, i.e., the part light source in described first luminescence component goes out light towards a left side, separately
A part of light source goes out light towards the right side, so that first luminescence component can provide incidence for the two of its both sides adjacent light guide plates
Light.For example, the light source 171 in first luminescence component goes out light towards a left side, and its incident ray is penetrated from the side 1321 of light guide plate 132
Enter light guide plate 132；Then go out light towards the right side with the part other light sources of 171 same row of light source, its incident ray is from the side of light guide plate 133
Inject light guide plate 133 in face 1331.Further, in same row light source, the light source for going out light towards a left side is replaced with the light source for going out light towards the right side
Interval setting, provides uniform incident illumination as the two neighboring light guide plate.
In the present embodiment, in guide-lighting plate array 13, the light source of each light guide plate side individually can be controlled, per string light
The brightness in source can become more meticulous regulation, such that it is able to carry out local luminance adjustment to whole screen, realize multi partition functional design
With dynamic and intelligent backlight.Using the liquid crystal display of this backlight module 10, which has the image display effect of high-contrast, product
Class gets a promotion.As light guide plate is side incident, light source will not take the knot above light guide plate located at the side of light guide plate
Conformational space, therefore the slimming of backlight module and liquid crystal display can be accomplished, improving product exterior quality.
As shown in Figures 2 and 3, in the present embodiment, circuit board between two adjacent light guide plates be located at simultaneously this two
Under individual light guide plate.For example, circuit board 181 is located under light guide plate 132,133 simultaneously.Circuit board 182 on the right side of light guide plate 133
Then only under light guide plate 133.
As shown in figure 1, it is further, reflector plate is provided between each described light guide plate and backboard 15.For example, light guide plate
Reflector plate 141～143 is respectively equipped between 131～133 and backboard 15.Specifically, the reflector plate be located at the circuit board it
Under the upper, light guide plate.The effect of the reflector plate is that the light escaped out from the light guide plate is reflected back, and is improved
The utilization rate of light.
Preferably, light source is LED (Light-Emitting Diode), and its stable performance, response time are short, cost performance is high.Certainly, at which
In his embodiment, it is possible to use other electroluminescent devices, such as CCFL (cathode fluorescent tube).
In the present embodiment, first fixed support and second fixed support are used to splicing, lightguide plate fixing, it is ensured that
13 stabilized structure of guide-lighting plate array, it is ensured that stably go out light.As first fixed support is used to fix the light guide plate of bilateral, and
Second fixed support only fixes the light guide plate of side, therefore first fixed support and the described second support bracket fastened knot
Structure can be with difference.Certainly, for structure design and the simplicity manufactured, can be by first fixed support and described second
Fixed support is set to identical structure.
Preferably, first fixed support is consistent with the described second support bracket fastened structure.Following examples will be with
As a example by one fixed support 161, support bracket fastened preferred structure is described in detail.
As shown in figure 4, the first fixed support 161 includes top board 1611, and side plate 1612 of the projection on top board 1611,
1613.Wherein, side plate 1612,1613 is extended downwardly, and side plate 1612,1613 connects away from one end of top board 1611 and circuit board 181
Connect.For example, side plate 1612,1613 can be adhesively fixed on circuit board 181 by screw locking or colloid.
As shown in Figure 3 and Figure 5, there is top board 1611 first surface A, first surface A to be fitted with light guide plate 132.Side plate
1612nd, 1613 respectively with second surface B2, the B1 relative with the side 1332 of light guide plate 132.Wherein, second surface B2, B1
Inside contract within the edge of top board 1611, i.e., within the sideline of first surface A, first surface A and second surface B2, B1
Be connected in angle, form two the first clamping parts, two the first clamping parts with 132 clamping of light guide plate.
In other embodiments, the first fixed support can be provided only with a side plate；Or, the shape of side plate is not
It is limited to shown in Fig. 3-Fig. 7, as long as the first clamping part can be formed with top board.
Further, as shown in Figure 3, Figure 5 and Figure 6, top board 1611 is provided with elastic arm 1611a, and elastic arm 1611a is in curved
It is curved, it to be easy to provide elastic force, which is provided with the second clamping part 1611d away from one end of top board 1611.Second clamping part 1611d and institute
The first clamping part is stated respectively positioned at the opposite sides of top board 1611, the second clamping part 1611d and 133 phase clamping of light guide plate.Ascend the throne
The first fixed support 161 between two adjacent light guide plates 132,133, by first clamping part and second at its two ends
Clamping part 1611d, respectively with light guide plate 132 and 133 phase clampings.In other embodiments, the elastic arm can be as needed
Design shape, need not be arranged to bending, as long as having elastic force.
Using rigid first clamping part, light guide plate can stably be held；And the second clamping part of design flexibility
1611d, then can provide elastic buffer in light guide plate expansion or shrinkage, to carry out elastic clamping to light guide plate.In other realities
Apply in example, the first fixed support two ends can be rigid buckle, can be Elastic buckle, or one end is rigid buckle
The other end is Elastic buckle.
As shown in figure 4, light source 171 is provided with below the first fixed support 161, in order to avoid stopping that light source 171 goes out light, the
Structure empty avoiding to be done in relevant position on one fixed support 161.In addition, the first fixed support 161 can adopt transparent material system
Into to avoid stopping light.
Further, as shown in figures 1 to 6, top board 1611 is provided with supporting part 1611b and 1611c, supporting part 1611b,
1611c is with side plate 1612 respectively positioned at the opposing sides of top board 1611.It is supported by diffuser plate on supporting part 1611b, 1611c successively
12 and blooming piece 11.In the present embodiment, the shape of supporting part 1611b, 1611c shown in Fig. 6 is only a kind of to illustrate, real
On border, the solution of the present invention is not limited to this.Can the shape of appropriate design supporting part, quantity and distributing position as needed.
Supporting part 1611b, 1611c have certain altitude, and which can provide enough mixed light heights for diffuser plate 12.Due to
Backlight module 10 employs the light guide structure that light line side enters, therefore the mixed light height of this backlight module 10 will be less than conventional straight-down negative
The mixed light height of backlight module.So as to the backlight module 10 of the present embodiment is also thinner than conventional down straight aphototropism mode set.
The above-detailed structure of the first fixed support 161.Second fixed support 162 and the first fixed support 161
Structure is identical, but installation site is different.In the present embodiment, as the second fixed support 162 is only needed with a light guide plate 133 admittedly
Hold, therefore in assembling, by first clamping part of the second fixed support 162 and 133 clamping of light guide plate firmly holding
Light guide plate 133, and will be second clamping part of the second fixed support 162 vacant.
In other embodiments, second fixed support can be with different from the described first support bracket fastened structure.It is described
Second fixed support can only set first clamping part, and not set second clamping part.Design two kinds of different fixations
Frame, is discriminatively held with the light guide plate to diverse location；Or, second fixed support, described first are fixed and prop up
The structure of the position that frame is mutually held with light guide plate, the click on fashion being not limited to described in the present embodiment, and can be according to need
Arranged；Or, second fixed support can be saved, and now be provided only with first fixed support.
As shown in fig. 7, in second embodiment of the invention, unlike the embodiments above, the leaded light of backlight module 20
Two outsides of plate array are equipped with second luminescence component.For example, the left side of light guide plate 231 is provided with one described second
Optical assembly, second luminescence component go out light towards the right side, and incident ray injects the incidence surface on the left of light guide plate 231.Described second
Optical assembly includes the second fixed support 261；The right side of light guide plate 231 also is provided with second luminescence component, and described second
Luminescence component includes the second fixed support 262.Light source is set by the both sides in each light guide plate, by increasing capacitance it is possible to increase incident illumination
Amount, lifts the uniformity that each light guide plate enters light quantity；And fixed support is distributed in the both sides of each light guide plate, further can protect
The splicing construction for demonstrate,proving the guide-lighting plate array is consolidated, and is further ensured that.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, easily can expect various equivalent modifications or
Replace, these modifications or replacement should all be included within the scope of the present invention.Therefore, protection scope of the present invention Ying Yiquan
The protection domain that profit is required is defined.
Claims (10)
1. a kind of backlight module, it is characterised in that
Including backboard and the guide-lighting plate array being laid on the backboard；The guide-lighting plate array includes that at least two are arranged side by side
Light guide plate, two opposite flanks of each light guide plate are incidence surface, the adjacent light guide plate of each two it is described enter
The first luminescence component is equipped between bright finish；First luminescence component includes circuit board and the light source on the circuit board
With the first fixed support, first fixed support light guide plate adjacent with the two of its both sides is fixedly connected with；It is described to lead
The second luminescence component is provided with the outside of light plate array, second luminescence component is outermost described in the guide-lighting plate array
Light guide plate provides incident illumination.
2. backlight module according to claim 1, it is characterised in that
The light direction of the multiple described light source in first luminescence component is consistent, and first luminescence component is
A light guide plate being adjacent provides incident illumination one to one.
3. backlight module according to claim 1, it is characterised in that
The light direction of the multiple described light source in first luminescence component is arranged in a crossed manner, so that first luminescence component is
Two adjacent light guide plates of its both sides provide incident illumination.
4. the backlight module according to any one of claim 1-3, it is characterised in that
Second luminescence component includes circuit board and light source and the second fixed support on the circuit board, described second
Fixed support is fixedly connected with the outermost light guide plate in the guide-lighting plate array.
5. backlight module according to claim 4, it is characterised in that
First fixed support includes the side plate of top board and projection on the top board with second fixed support；It is described
First top board has first surface, in the light guide plate adjacent with two of the first surface in first fixed support
Laminating, the first surface in second fixed support are fitted with the outermost light guide plate in the guide-lighting plate array；Institute
State the one end on side plate away from the top board to be connected with the circuit board, first side plate has a second surface, described second
Surface is inside contracted within the sideline of the first surface；The first surface is connected together to the second surface in angle
One clamping part；A clamping in the first clamping part light guide plate adjacent with two in first fixed support, it is described
The first clamping part in second fixed support and the outermost light guide plate clamping in the guide-lighting plate array.
6. backlight module according to claim 5, it is characterised in that
The top board is provided with elastic arm, and the elastic arm is provided with the second clamping part away from one end of the top board, and described second
Clamping part is with first clamping part respectively positioned at the opposite sides of the top board, described second in first fixed support
Another clamping in the clamping part light guide plate adjacent with two.
7. a backlight module according to claim 4, it is characterised in that first fixed support and described second is fixed
Frame is made of clear material.
8. backlight module according to claim 5, it is characterised in that
The top board is provided with supporting part, and the supporting part is with the side plate respectively positioned at the opposing sides of the top board；It is described
It is supported by diffuser plate and blooming piece on supporting part successively.
9. backlight module according to claim 8, it is characterised in that be provided between each described light guide plate and the backboard
Reflector plate.
10. a kind of liquid crystal display, it is characterised in that including the backlight module any one of claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257756.XA CN106597744B (en) | 2016-12-30 | 2016-12-30 | Backlight module and liquid crystal display |
| PCT/CN2017/071158 WO2018120305A1 (en) | 2016-12-30 | 2017-01-13 | Backlight module and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257756.XA CN106597744B (en) | 2016-12-30 | 2016-12-30 | Backlight module and liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106597744A true CN106597744A (en) | 2017-04-26 |
| CN106597744B CN106597744B (en) | 2019-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611257756.XA Active CN106597744B (en) | 2016-12-30 | 2016-12-30 | Backlight module and liquid crystal display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106597744B (en) |
| WO (1) | WO2018120305A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108983493A (en) * | 2018-07-26 | 2018-12-11 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
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| CN112086039B (en) * | 2019-06-12 | 2022-11-11 | 海信视像科技股份有限公司 | Double-panel display device |
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| CN108983493A (en) * | 2018-07-26 | 2018-12-11 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106597744B (en) | 2019-06-25 |
| WO2018120305A1 (en) | 2018-07-05 |
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