CN105807488B - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
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- CN105807488B CN105807488B CN201610276276.1A CN201610276276A CN105807488B CN 105807488 B CN105807488 B CN 105807488B CN 201610276276 A CN201610276276 A CN 201610276276A CN 105807488 B CN105807488 B CN 105807488B
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- liquid crystal
- crystal display
- diaphragm
- center
- display device
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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
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
Abstract
The invention discloses a kind of backlight modules, it is related to field of display technology, more particularly to a kind of backlight module and liquid crystal display device, it include: the center to form rectangular box, including side wall, the support portion extended along the side wall vertical direction, support portion includes upper surface, lower surface opposite to the upper surface, side surface；Bracket, including first part and along described first part one end and to first part's vertical direction extend second part；Diaphragm, including diaphragm display unit and diaphragm mounting portion；Light guide plate, including incidence surface and light-emitting surface；Wherein, first part is formed between the incidence surface of light guide plate and side surface, second part is formed on the lower surface, backboard is fixedly connected with lower surface, light guide plate is fitted on backboard, diaphragm display unit is formed on the light-emitting surface of light guide plate, and tongue is inserted between first part and side surface, and the upper end of first part is threaded through in through-hole.Using backlight module of the invention, the fixed property of liquid crystal display panel is improved.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of backlight modules and liquid crystal display device.
Background technique
In available liquid crystal television backlight mould group 200, with reference to shown in Fig. 1 and Fig. 1 a, the center 260 for forming framework includes side wall
With the support arm extended along side wall vertical direction, there are two step surfaces for setting on support arm upper surface, along support arm extending direction
On successively include First terrace and second step face, First terrace be higher than second step face, be arranged on second step face
Protrusion 240 is arranged in hangers 250, diaphragm edge, and through-hole 240a is arranged with 250 corresponding position of center hangers in the protruding portion 240,
Diaphragm is fixed on hangers 250 by the through-hole 240a of protrusion 240, and liquid crystal display panel 210 is attached on First terrace, and
Backboard 280 is arranged on the lower surface of support arm, in this way, liquid crystal display panel, center 260 and backboard 280 form the cavity of encapsulation, packet
Other optical modules such as light guide plate 270 are included to be formed in above-mentioned cavity.
As shown in Figure 1a, the size BM value in the black surround region 230 of liquid crystal display panel 210 is a definite value, such as: 4.9mm, a side
Face, through-hole 240a have a minimal design value A close to diaphragm inner side edge to liquid crystal display panel display area line of demarcation 220, such as:
1.0mm, when A be less than the minimal design value when, will cause from be immediately seen in liquid crystal display panel display area 210 through-hole 240a and in
The subjective impairment of the internal structures such as frame hangers 250；On the other hand, through-hole 240a width value is limited to the processing of center hangers 250
Width is a minimal design value B, such as: 1.0mm；In another aspect, diaphragm protrusion 240 is also answered to guarantee that diaphragm safety is fixed
Meet minimum cut width, it may be assumed that through-hole 240a is close to the outer side edges of center and the required distance of the outermost side of diaphragm protrusion 240
C, such as: 1.5mm；Another aspect, in borderless easel, for liquid crystal display panel 210 is fixed on center support arm upper surface
On First terrace, 240 outermost of diaphragm protrusion requires D away from liquid crystal display panel outermost edges preset space, and D is liquid crystal surface
Plate can be with First terrace Maximum Contact width；Therefore, it is limited by the width in the area liquid crystal display panel BM, that is to say, that A value, B value, C
It is about 4.9mm that the sum of value, D value, which are limited to liquid crystal display panel black surround peak width BM as a fixed value, in the sum of A value, B value, C value
Under the premise of for 3.5mm, D value is 1.4mm in the prior art.
As liquid crystal display panel becomes large-sized, D value is unable to satisfy liquid crystal display panel 210 because too small and is stably fixed at center 260
On technical requirements be further easily detached from since liquid crystal display panel and center support arm upper surface attach and cause partial region
Leakage problem.
Summary of the invention
It is not fixed firmly to solve in above-mentioned LCD backlight mould group liquid crystal display panel with center support arm and leans on and further liquid crystal
Panel and center support arm upper surface attach not firm easy disengaging and cause partial region leakage problem.
In a first aspect, the present invention provides a kind of backlight module, comprising:
Light guide plate and the center for forming rectangular box, the light guide plate includes incidence surface and light-emitting surface, and the center includes
Side wall, the support portion extended along the side wall vertical direction, the support portion includes upper surface, following table opposite to the upper surface
Face, side surface；Bracket, including first part and along described first part one end and to first part's vertical direction extend second
Part；Diaphragm, including diaphragm display unit and diaphragm mounting portion, wherein the diaphragm mounting portion includes through-hole and tongue；Wherein,
The first part is formed between the incidence surface of light guide plate and the side surface, and the second part is formed in the lower surface
On, backboard is fixedly connected with the lower surface, and the light guide plate is fitted on the backboard, and the diaphragm display unit is formed in
On the light-emitting surface of the light guide plate, the tongue is inserted between the first part and the side surface, and first part
Upper end is threaded through in the through-hole.
Optionally, setting is fluted at the lower surface, and the second part is fixedly connected with the groove.
Optionally, the second part includes positioning plate, and the positioning plate is inserted in the groove.
Optionally, the positioning plate is multiple, and is engraved structure between the positioning plate.
Optionally, it is provided with lower wall in the first part and upwardly extends the hangers of setting, wherein the hangers is worn
In in the through-hole.
Optionally, it is bending structure that the lower wall is upper along its length, is arranged on the lower wall outward bending part
There is the hangers.
Optionally, the hangers assigns into the through-hole, and the hangers and the through-hole are along the stent length direction
Clearance fit, the hangers and the through-hole cooperate along support width direction zero clearance, the tongue insertion described first
Gap location between partial lower wall and center side surface.
Optionally, the second part be plate, the lower surface be plane, the second part by the plate with
The plane is fixedly connected.
Optionally, the upper surface is plane, and liquid crystal display panel fitting is fixed on the plane.
Second aspect, the present invention also provides a kind of liquid crystal display devices, comprising: the liquid crystal display device includes above-mentioned
One backlight module, is provided with liquid crystal display panel above the backlight module.
In conclusion with reference to shown in Fig. 9 and Figure 10, the size BM value in 110 black surround region of liquid crystal display panel, still with numerical value
For 4.9mm；On the one hand, to avoid the subjectivity for being immediately seen the internal structures such as through-hole and hangers from liquid crystal display panel display area
Defect, through-hole 1211b is A close to the minimal design value of diaphragm inner side edge to liquid crystal display panel display area line of demarcation, still with numerical value
For 1.0mm；On the other hand, it is limited to the working width of hangers, through-hole 1211b width minimal design value is B, still with numerical value
For 1.0mm.
Because the sum of A value, B value, C value, D value are limited to liquid crystal display panel black surround peak width BM, and BM value is fixed；And due to
In terms of in conjunction with two above, in the case of A value, B value cannot reduce again, in the present embodiment, D value is expanded using reduction C value, with
Meet the technical requirements that liquid crystal display panel is stably fixed on center.As shown in Figure 10, existing using being different from the present embodiment
The diaphragm fixed form of technology, wherein the bracket of fixed diaphragm mounting portion be formed in light guide plate incident side and center side surface it
Between, diaphragm display unit is fitted in the light-emitting surface of light guide plate, and the first part upper end of bracket is inserted in the through-hole of diaphragm mounting portion,
And the tongue of diaphragm mounting portion is formed in the gap between the first part of bracket and the side surface of center support portion, diaphragm peace
Dress portion extends along diaphragm display unit one end and to vertical direction, is eventually formed in the first part of bracket and the side of center support portion
Between surface.
Different from the prior art, the upper surface of center support arm needs to be arranged the hangers of fixed diaphragm protrusion, make film
The through-hole correspondence of piece protrusion is affiliated on center hangers, and further, diaphragm protrusion needs to be laid in center support arm
Upper surface, therefore, the minimum cut width value C of diaphragm protrusion, such as: C value is 1.5mm.And in the embodiment of the present invention, it is such as aforementioned
It is found that diaphragm mounting portion is formed in the gap between bracket first part and the side surface of center support portion, in this way, diaphragm is pacified
The installation width in dress portion is relief width angle value C ', and under the premise of using identical diaphragm, C ' value is about that diaphragm thickness is 0.3mm left
The right side, therefore the substantially reduction of C value is realized in small space, further, A value+B value+C ' value+D value is still limited in BM value
In range, and under the premise of A and B value is constant, D value can promote 2.6mm or so by 1.4mm in the prior art.
Therefore, the present invention has been correspondinglyd increase the value of D, has been used in liquid crystal display panel and fixed with center upper surface by reduction C value
Contact area increases, and improves the fixed property of liquid crystal display panel.Further, position is pasted between liquid crystal display panel and center to be not easy
A possibility that being detached from and reducing light transmission.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the backlight module of the liquid crystal display device of the prior art 1；
Fig. 1 a is the sectional view of the backlight module of the liquid crystal display device of the prior art 1；
Fig. 2 a is the overall diagram of liquid crystal display device of the invention；
Fig. 2 b is the partial enlarged view of the part A of Fig. 2 a；
Fig. 2 c is the partial enlarged view of the part B of Fig. 2 b；
Fig. 3 is the sectional view watched from direction D-D that liquid crystal display device of the invention is intercepted in Fig. 2 c along C-C；
Fig. 3 a is the part the E partial enlarged view of Fig. 3.
Fig. 4 is the diaphragm discrete state isometric view of an embodiment of the present invention；
Fig. 5 is the bracket discrete state isometric view of an embodiment of the present invention；
Fig. 6 a is the center discrete state watched from direction D-D intercepted in Fig. 2 c along C-C of an embodiment of the present invention
Isometric view；
Fig. 6 b is the center separation shape watched from direction F-F of another embodiment of the present invention intercepted in Fig. 2 c along E-E
State isometric view；
Fig. 7 is the center bottom surface bottom view of an embodiment of the present invention；
Fig. 8 a is the bracket and center discrete state bottom view of an embodiment of the present invention；
Fig. 8 b is the bracket of an embodiment of the present invention and the assembly bottom plan view of center；
Structural schematic diagram when Fig. 9 is the unassembled liquid crystal display panel of an embodiment of the present invention；
Figure 10 is the structural schematic diagram of the backlight module of the liquid crystal display device of an embodiment of the present invention；
Figure 11 is the structural schematic diagram of the backlight module of the liquid crystal display device of another embodiment of the present invention；
Figure 12 is the bracket discrete state isometric view of another embodiment of the present invention；
Figure 13 is the center discrete state isometric view of another embodiment of the present invention；
Figure 14 a is the bracket and center discrete state bottom view of another embodiment of the present invention；
Another bracket of embodiment of Figure 14 b present invention and the assembled state bottom plan view of center.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
To solve in the prior art, liquid crystal display panel is not fixed firmly with center support arm and to lean on and liquid crystal in LCD backlight mould group
Panel and center support arm upper surface attach not firm easy disengaging and cause partial region leakage problem, and the embodiment of the present invention is thought substantially
Lu Wei changes the assembling structure of backlight module in the prior art, using one kind in the width limited case by the area liquid crystal display panel BM
Diaphragm fixes device, the as far as possible contact area of increase liquid crystal display panel and the attaching of center support arm upper surface, to improve liquid crystal surface
Plate and the fixed property of center.
Embodiment one:
As shown in Fig. 2 a ~ Figure 10, below in conjunction with attached drawing, the backlight module liquid crystal display that the embodiment of the present invention one is provided
Device describes in detail.LCD device backlight mould group provided in an embodiment of the present invention is in addition to comprising shown in Fig. 2 a ~ Figure 10
Outside structure, also include at least backlight, reflector plate etc., the LCD device backlight mould group about the embodiment of the present invention other
Composition, those skilled in the art can refer to the specific structure of LCD device backlight mould group disclosed in the prior art, this hair
It is bright not limit this.
Fig. 2 a is the overall diagram of liquid crystal display device of the invention；Fig. 2 b is the partial enlarged view of the part A of Fig. 2 a；Fig. 2 c
For the partial enlarged view of part B in Fig. 2 b；Fig. 3 is that liquid crystal display of the invention is seen along what C-C was intercepted from direction D-D in Fig. 2 c
The sectional view seen；Fig. 3 a is the part the E partial enlarged view of Fig. 3；Fig. 4 is that the diaphragm discrete state of an embodiment of the present invention is isometric
Surveys view；Fig. 5 is the bracket discrete state isometric view of an embodiment of the present invention；Fig. 6 a is an embodiment of the present invention
In the center discrete state isometric view watched from direction D-D that Fig. 2 c is intercepted along C-C；Fig. 6 b, which is that the present invention is another, to be implemented
The center discrete state isometric view watched from direction F-F of example intercepted in Fig. 2 c along E-E.
In conjunction with shown in reference Fig. 2 a, 2b, shown in Fig. 3 and Fig. 3 a, the embodiment of the present invention one provides a kind of liquid crystal display dress
Set, with specific reference to shown in Fig. 3, the present embodiment liquid crystal display device 100 is unmatched border structure, comprising: liquid crystal display panel 110 and
Backlight module 120, wherein backlight module 120 includes: diaphragm 121, center 122, backboard 124, light guide plate 125, liquid crystal display panel
110 are located at 120 top of backlight module, receive backlight module 120 and provide light source displayable image picture.
Referring in particular to shown in Fig. 3, Fig. 6 a and Fig. 6 b, center 122 is rectangular box structure, including side wall 122b and along side wall
The center support portion 122a that 122b vertical direction extends, wherein side wall 122b provides the appearance of liquid crystal display 100, center
Support portion 122a includes upper surface 1221a and lower surface 1223a and side surface 1222a.Wherein, upper surface 1221a is plane
Structure.
Specifically, as shown in Figure 3a, liquid crystal display panel 110 is arranged on the upper surface 1221a of center support portion 122a, and
On the lower surface 1223a of the fixed center support portion 122a of backboard 124, in this way, backboard 124 and liquid crystal display panel 110 are separately fixed at
In the upper and lower surface of center support portion 122a, to form closed rectangular cavities.Backlight assembly and shape are set in the rectangular cavities
At liquid crystal module 100, wherein backlight assembly includes light guide plate 125, light source (not shown), diaphragm 121, reflector plate (in figure
It is not shown) etc..
It should be noted that liquid crystal display panel 110 includes display area and the area BM in liquid crystal display 100 in the present embodiment,
Wherein, the area BM is the non-display area for being formed in the edge one fixed width of liquid crystal display panel 110, and usual BM sector width is a solid
Definite value.In order to make to form uniform light in display area, backlight assembly and 122 coupling part of center need to be arranged in the BM area of coverage
In domain, in order to more firmly fix liquid crystal display panel, preferably the gap between liquid crystal display panel and center is sealed, makes liquid
Crystal panel is firmly mounted on the upper surface 1221a of center support arm, and therefore, it is necessary to expand the BM of liquid crystal display panel 100 as far as possible
The width D of the upper surface contact area of area and center support arm.With reference to shown in Fig. 1 a because the sum of A value, B value, C value, D value by
It is limited to BM value, to those skilled in the art, under BM value very minor premise, changing A value, B value, C value, D value is
Very difficult and its design space is also limited.In this way, in the embodiment of the present invention, by changing film in the prior art
Piece assembling structure reduces diaphragm and installs occupied space, it may be assumed that by reducing the value of C come the above-mentioned D design value of relative increase.
Continue as shown in Figure 3a, backlight module 120 further includes bracket 123, wherein bracket 123 include first part 123a,
And along the one end first part 123a and to vertical direction extend second part 123b.
It is further continued for as illustrated in figures 3 a and 4, diaphragm 121 includes diaphragm display unit 121a and diaphragm mounting portion 121b, diaphragm
Mounting portion 121b includes: the tongue 1212b connecting with diaphragm display unit 121a, and positioned at the junction diaphragm display unit 121a
Through-hole 1211b.
In addition, as shown in Figure 3a, backlight module 120 further includes light guide plate 125, including light-emitting surface 125a and incidence surface
125b。
In the embodiment of the present invention one, referring again to shown in Fig. 3 a, first part 123a is formed in light guide plate side 125b in
Between the side surface 1222a of frame support portion 122a, second part 123b is formed on the 1223a of lower surface, backboard 124 and center branch
The lower surface 1223a of support part 122a is fixedly connected, and diaphragm display unit 121a is formed on light guide plate light-emitting surface 125a, tongue
1212b is inserted between first part 123a and center side surface 1222a, and the upper end of first part 123a is threaded through through-hole
In 1211b.Further, tongue 1212b and diaphragm display unit 121b formation is mutually perpendicular to angle.
Figure 10 and Fig. 1 a in the prior art in comparison present invention implementation is filled it is found that in the embodiment of the present invention in liquid crystal display
Set black surround region BM width it is constant under the premise of, for expand processing and assembly preset space D value, remained unchanged in the value of A and B
Under the premise of, the mounting means that is folded by above-mentioned diaphragm.Wherein, due to using the only of fixed diaphragm in the embodiment of the present invention
Staking, the bracket are made only between light guide plate and center support portion, and diaphragm mounting portion tongue is plugged in bracket and center
Between the side surface of support portion, it is different from the prior art, the upper surface of center support arm needs to be arranged fixed diaphragm protrusion
Hangers, make diaphragm protrusion through-hole correspondence be affiliated on center hangers, correspondingly, diaphragm protrusion be laid in center support
The upper surface of arm reduces the design space that hangers is reserved on center support arm upper surface in the embodiment of the present invention, and pre-
Stay the wider space of tiling diaphragm protrusion, diaphragm mounting portion be formed in bracket first part and center support portion side surface it
Between gap in, the installation width reduction of diaphragm mounting portion is the width in gap, and under the premise of using identical diaphragm, C ' value is about
It is 0.3mm or so for diaphragm thickness, therefore realizes in small space C value by the substantially reduction of 1.5mm to C ' value 0.3mm,
Further, under the premise of A value+B value+C ' value+D value still limits in range in BM value, and A and B value is constant, D value is by existing skill
1.4mm can promote 2.6mm or so in art, and therefore, the present invention has correspondinglyd increase the value of D, be used in liquid by reduction C value
The fixed contact area of crystal panel and center upper surface increases, and improves the fixed property of liquid crystal display panel.Further, liquid crystal display panel
A possibility that position is not easily disconnected from and reduces light transmission is pasted between center.
In the present embodiment, as shown in figure 5, the hangers for being provided with lower wall 1231a on first part 123a and upwardly extending
1232a.Further, in order to improve the intensity of bracket first part 123a, wherein lower wall 1231a upper along its length is curved
Folded structure is provided with hangers 1232a on lower wall 1231a outward bending part.Specifically, hangers 1232a is arranged in through-hole
In 1211b.
Further, in order to reduce the lower surface 1223a connective stability of second part 123b Yu center support portion 122a
With the requirement of reduced thickness, second part 123b includes positioning plate 1231b, is hollow out between positioning plate 1231b further
Structure.Wherein, positioning plate 1231b can be one or more on a bracket, wherein solid in order to position between center and bracket
Determine stability, positioning plate may be configured as 2 or 3.
If such as Fig. 6 a, Fig. 6 b and combination refering to what is shown in Fig. 7, being arranged at intervals on the 1223a of lower surface along center length direction
Dry groove 12231a.Wherein, for the ease of making the positioning plate 1231b tongue of bracket in groove 12231a, groove 12231a exists
Opening is equipped with along the side surface direction 1222a.
With reference to shown in Fig. 8 a and Fig. 8 b, along the positioning plate 1231b of 123 stent length direction setting and along the center
The groove 12231a corresponding position of length direction setting is consistent, quantity is identical.Further, by support location-plate 1231b along institute
State the groove 12231a on the 1223a of center lower surface eat dishes without rice or wine direction slide into fix.Fixed form, which can choose, to be pasted or selects
Screw is fixed, and positioning plate 1231b can also be folded between backboard 124 and center lower surface 1223a and is fixed, herein originally
Invention is without limitation.
Further, it is positioned refering to what is shown in Fig. 9, the fitting of light guide plate 125 is placed on and is realized on backboard 124, hangers
1232a and through-hole 1211b clearance fit along 123 length direction of bracket cooperate along support width direction zero clearance.
Refering to what is shown in Fig. 10, liquid crystal display panel 110 is bonded and is placed to realize the purpose reduced value at C and increase value at D in turn
At the 1221a of center upper surface, to increase fitting area on liquid crystal display panel and center upper surface 1221a, center upper surface 1221a
For planar structure, so that liquid crystal display panel is sufficiently directly fitted with the planar structure.
Further, through the invention by the way of folding diaphragm mounting portion, diaphragm mounting portion C value is reduced to diaphragm thickness
C ', the relatively available raising of D value, corresponding center upper surface 1221a can obtain broader processing reserved space, liquid crystal surface
Plate and center upper surface contact area become larger, and therefore, liquid crystal display panel is available more securely to be fixed, while liquid crystal display panel is in
Sealing also available corresponding improvement between frame, reduces edge light transmission possibility.
Embodiment two:
The present embodiment two is the variation of embodiment one, different from embodiment one in conjunction with reference Figure 11, Figure 12 and Figure 13
It is that the second part 123b of bracket is single plate 1231b, and plate 1231b includes top surface 12311b and bottom surface 12312b；Phase
It answers, the lower surface of center 122 is plane 12232a.
In conjunction with reference Figure 11, shown in Figure 14 a and Figure 14 b, second part 123b passes through the top surface 12331b and center of plate
The plane 12232a of lower surface is fixedly connected, and the fixed form, which can choose, to be pasted or screw is selected to fix, and can also be
Sandwiched, herein the present invention without limitation.
Continue as shown in figure 11, the backboard 124 is fixedly connected with the bottom surface 12312b of the plate, the fixed form
Can choose and paste or screw is selected to fix, herein the present invention without limitation.
It has been those skilled in the art about the backlight module of the embodiment of the present invention and other compositions of liquid crystal display etc.
Known to member, it can refer to the state of the art, be no longer described in detail herein.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of liquid crystal display device, the liquid crystal display device includes backlight module and is provided with above the backlight module
Liquid crystal display panel, which is characterized in that the backlight module includes:
Formed rectangular box center, the center include side wall and along the side wall vertical direction extend support portion, it is described
Support portion includes upper surface, lower surface and side surface；
Backboard, the backboard are fixedly connected with the lower surface of the support portion of the center；
Light guide plate, the light guide plate are fitted on the backboard, and the light guide plate includes incidence surface and light-emitting surface；
Bracket, the bracket include first part and along described first part one end and to vertical direction extend second part,
The first part can be embedded between the incidence surface of the light guide plate and the side surface of the support portion of the center, and described second
On the lower surface for the support portion that part can be embedded in the center, the backboard is located at the second part far from the liquid crystal surface
The side of plate；
Diaphragm, the diaphragm include diaphragm display unit and diaphragm mounting portion, and the diaphragm display unit is formed in the light guide plate
On light-emitting surface, the diaphragm mounting portion includes tongue and through-hole, the tongue be inserted in the first part of the bracket with it is described
Between the side surface of the support portion of center, and the upper end of first part is threaded through in the through-hole.
2. liquid crystal display device according to claim 1, which is characterized in that be arranged at the lower surface fluted and described
Second part includes positioning plate, and the positioning plate is positioned in the groove.
3. liquid crystal display device according to claim 2, which is characterized in that the positioning plate is multiple, and the positioning plate
Between be engraved structure.
4. any one of -3 liquid crystal display device according to claim 1, which is characterized in that be provided with down in the first part
Wall and the hangers for upwardly extending setting, wherein the hangers is arranged in the through-hole.
5. liquid crystal display device according to claim 4, which is characterized in that the lower wall is upper along its length for bending knot
Structure is provided with the hangers on the lower wall outward bending part.
6. liquid crystal display device according to claim 4, which is characterized in that the hangers assigns into the through-hole, described
Hangers and the through-hole are along stent length direction clearance fit, and the hangers and the through-hole are along the support width direction
Zero clearance cooperation, the tongue are inserted into the gap location between the lower wall of the first part and center side surface.
7. any one of -3 liquid crystal display device according to claim 1, which is characterized in that the second part is plate, institute
Stating plate includes top and bottom, and the lower surface is plane, and the second part is fixed by the top surface and the plane
Connection, the backboard are fixedly connected with the bottom surface.
8. any one of -3 liquid crystal display device according to claim 1, which is characterized in that the upper surface is plane, liquid crystal
Panel attachment is fixed on the plane.
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| CN201610276276.1A CN105807488B (en) | 2016-04-29 | 2016-04-29 | Backlight module and liquid crystal display device |
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| CN105807488B true CN105807488B (en) | 2019-09-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106292067B (en) * | 2016-09-07 | 2019-09-27 | 青岛海信电器股份有限公司 | A kind of backlight module and liquid crystal display device |
| CN106200124A (en) * | 2016-09-07 | 2016-12-07 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal indicator |
| CN106646970A (en) * | 2016-12-01 | 2017-05-10 | 奥英光电（苏州）有限公司 | Liquid crystal display |
| CN106814489A (en) * | 2016-12-11 | 2017-06-09 | 乐视控股（北京）有限公司 | The assemble method and electronic equipment of screen module, screen module |
| CN109856832A (en) * | 2017-11-30 | 2019-06-07 | 华为终端有限公司 | The installation method of display component, terminal and display component |
| CN109003539A (en) * | 2018-08-07 | 2018-12-14 | 青岛海信电器股份有限公司 | A kind of display device |
| CN109164642A (en) * | 2018-11-19 | 2019-01-08 | 青岛恒泰机械配件有限公司 | A kind of ultra-narrow frame backlight mould group |
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| CN105807488A (en) | 2016-07-27 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |