CN105807488A - Backlight module and liquid crystal display device - Google Patents

Backlight module and liquid crystal display device Download PDF

Info

Publication number
CN105807488A
CN105807488A CN201610276276.1A CN201610276276A CN105807488A CN 105807488 A CN105807488 A CN 105807488A CN 201610276276 A CN201610276276 A CN 201610276276A CN 105807488 A CN105807488 A CN 105807488A
Authority
CN
China
Prior art keywords
backlight module
liquid crystal
diaphragm
center
light guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610276276.1A
Other languages
Chinese (zh)
Other versions
CN105807488B (en
Inventor
唐志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Visual Technology Co Ltd
Original Assignee
Qingdao Hisense Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Hisense Electronics Co Ltd filed Critical Qingdao Hisense Electronics Co Ltd
Priority to CN201610276276.1A priority Critical patent/CN105807488B/en
Publication of CN105807488A publication Critical patent/CN105807488A/en
Application granted granted Critical
Publication of CN105807488B publication Critical patent/CN105807488B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317Intermediate frames, e.g. between backlight housing and front frame

Abstract

The invention discloses a backlight module and relates to the technical field of display, in particular to the backlight module and a liquid crystal display device. The backlight module comprises a middle frame forming a rectangular frame, a support, a diaphragm and a light guide plate. The middle frame comprises a side wall and a supporting part extending in the perpendicular direction of the side wall, and the supporting part comprises an upper surface, a lower surface opposite to the upper surface and a side surface. The support comprises a first part and a second part extending along one end of the first part in the direction perpendicular to the first part. The diaphragm comprises a diaphragm display part and a diaphragm installation part. The light guide part comprises a light-in surface and a light-out surface. The first part is formed between the light-in surface of the light guide plate and the side surface, the second part is formed on the lower surface, a backboard is fixedly connected with the lower surface, the light guide plate is attached to the backboard, the diaphragm display part is formed on the light-out surface of the light guide plate, an insertion tongue is arranged between the first part and the side surface in an inserted mode, and the upper end of the first part is arranged in a through hole in a penetrating mode. By means of the backlight module, the fixing firmness of a liquid crystal panel is improved.

Description

Backlight module and liquid crystal indicator
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of backlight module and liquid crystal indicator.
Background technology
nullIn available liquid crystal television backlight module 200,With reference to shown in Fig. 1 and Fig. 1 a,Form the center 260 of framework and include sidewall and along the vertically extending support arm of sidewall,Support arm upper surface is provided with two step surfaces,First terrace and second step face is included successively along support arm bearing of trend,First terrace is higher than second step face,Second step face arranges hangers 250,Diaphragm edge arranges protuberance 240,Described protuberance 240 arranges through hole 240a with center hangers 250 correspondence position,Diaphragm is fixed on hangers 250 by the through hole 240a of protuberance 240,Liquid crystal panel 210 is attached on First terrace,And backboard 280 is arranged on the lower surface of support arm,So,Liquid crystal panel、Center 260 and backboard 280 form the cavity of encapsulation,It is formed in above-mentioned cavity including light guide plate 270 other optical modules such as grade.
As shown in Figure 1a, the size BM value in the black surround region 230 of liquid crystal panel 210 is a definite value, as: 4.9mm, on the one hand, through hole 240a has a minimal design value A near diaphragm inner side edge to demarcation line, liquid crystal panel viewing area 220, as: 1.0mm, when A is less than this minimal design value, can cause the subjective impairment being immediately seen the internal structure such as through hole 240a and center hangers 250 from liquid crystal panel viewing area 210;On the other hand, it is a minimal design value B that through hole 240a width value is limited to the working width of center hangers 250, as: 1.0mm;Another further aspect, for ensureing that diaphragm safety is fixed, diaphragm protuberance 240 also should meet and minimum cuts width, it may be assumed that the required distance C of the through hole 240a outer side edges near center and diaphragm protuberance 240 outermost side, as: 1.5mm;Another aspect, in borderless easel situation, for being fixed on by liquid crystal panel 210 on the First terrace of center support arm upper surface, diaphragm protuberance 240 outermost is liquid crystal panel from liquid crystal panel outermost edges preset space requirement D, D can with First terrace maximum contact width;Therefore, width by liquid crystal panel BM district is limited, say, that it is that a fixed value is about 4.9mm that A value, B value, C value, D value sum are limited to liquid crystal panel black surround peak width BM, under the premise that A value, B value, C value sum are 3.5mm, in prior art, D value is 1.4mm.
Along with liquid crystal panel becomes large-sized, D value cannot meet liquid crystal panel 210 and be stably fixed at the technology requirement on center 260 because of too small, further, causes subregion leakage problem owing to liquid crystal panel and center support arm upper surface attach easily disengaging.
Summary of the invention
Fixing with center support arm not firm for solving liquid crystal panel in above-mentioned LCD backlight module, and liquid crystal panel attaches not firm easy disengaging with center support arm upper surface and causes subregion leakage problem further.
First aspect, the present invention provides a kind of backlight module, including:
Light guide plate and form the center of rectangular box, described light guide plate includes incidence surface and exiting surface, and described center includes sidewall, along the vertically extending support portion of described sidewall, and described support portion includes the upper surface lower surface relative with upper surface, side surface;Support, including Part I with along described Part I one end and to the vertically extending Part II of Part I;Diaphragm, including diaphragm display part and diaphragm installation portion, wherein, described diaphragm installation portion includes through hole and tongue;Wherein, described Part I is formed between the incidence surface and described side surface of light guide plate, described Part II is formed on described lower surface, backboard is fixing with described lower surface to be connected, described light guide plate is fitted on described backboard, described diaphragm display part is formed on the exiting surface of described light guide plate, and described tongue is inserted between described Part I and described side surface, and the upper end of Part I is located in described through hole.
Optionally, described lower surface place is provided with groove, and described Part II is fixing with described groove to be connected.
Optionally, described Part II includes location-plate, and described location-plate is inserted in described groove.
Optionally, described location-plate is multiple, and is engraved structure between described location-plate.
Optionally, described Part I being provided with lower wall and upwardly extends the hangers of setting, wherein, described hangers is arranged in described through hole.
Optionally, described lower wall is upper along its length is bending structure, is provided with described hangers on described lower wall bending part laterally.
Optionally, described hangers assigns in described through hole, described hangers and described through hole are along described stent length direction matched in clearance, and described hangers coordinates along zero clearance, described support width direction with described through hole, and described tongue inserts the gap location between lower wall and the center side surface of described Part I.
Optionally, described Part II is flat board, and described lower surface is plane, and described Part II is connected by described flat board and described plane are fixing.
Optionally, described upper surface is plane, and liquid crystal panel laminating is fixing on the plane.
Second aspect, the present invention also provides for a kind of liquid crystal indicator, including: described liquid crystal indicator includes the described backlight module of any of the above-described item, is provided above liquid crystal panel at described backlight module.
In sum, with reference to shown in Fig. 9 and Figure 10, the size BM value in liquid crystal panel 110 black surround region, still for numerical value 4.9mm;On the one hand, for avoiding being immediately seen the subjective impairment of the internal structure such as through hole and hangers from liquid crystal panel viewing area, through hole 1211b is A near the marginal minimal design value of diaphragm inner side edge to liquid crystal panel viewing area, still for numerical value 1.0mm;On the other hand, being limited to the working width of hangers, through hole 1211b width minimal design value is B, still for numerical value 1.0mm.
Because A value, B value, C value, D value sum are limited to liquid crystal panel black surround peak width BM, and BM value is fixed;Again owing in conjunction with two above aspect, A value, B value can not reduce in situation again, in the present embodiment, adopt reduction C value to expand D value, be stably fixed at the technology requirement on center meeting liquid crystal panel.As shown in Figure 10, the present embodiment adopts the diaphragm fixed form being different from prior art, wherein, the support of fixing diaphragm installation portion is formed between light guide plate incident side and center side surface, diaphragm display part is fitted in the exiting surface of light guide plate, the Part I upper end of support is inserted in the through hole of diaphragm installation portion, and the tongue of diaphragm installation portion is formed in the gap between the Part I of support and the side surface of center support portion, diaphragm installation portion is along diaphragm display part one end and to vertically extending, it is eventually formed between the Part I of support and the side surface of center support portion.
It is different from prior art, the upper surface of center support arm needs to arrange the hangers of fixing diaphragm protuberance, the through hole correspondence making diaphragm protuberance is affiliated on center hangers, further, diaphragm protuberance needs to be laid in the upper surface of center support arm, therefore, the minimum of diaphragm protuberance cuts width value C, as: C value is 1.5mm.And in the embodiment of the present invention, as aforementioned known, diaphragm installation portion is formed in the gap between the side surface of support Part I and center support portion, so, the installation width of diaphragm installation portion is relief width angle value C ', under the premise using identical diaphragm, it is about 0.3mm that C ' value is about diaphragm thickness, therefore in small space, achieve the significantly reduction of C value, further, A value+B value+C ' value+D is worth still within the scope of BM value restriction, and A and B is worth under constant premise, and D value can be risen to about 2.6mm by 1.4mm in prior art.
Therefore, the present invention, by reducing C value, improves the value of D accordingly, is used in liquid crystal panel and increases with the fixing contact area of center upper surface, improves the fixed property of liquid crystal panel.Further, paste position between liquid crystal panel and center to be not easily disconnected from and reduce the probability of printing opacity.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the backlight module of the liquid crystal indicator of prior art 1;
Fig. 1 a is the sectional view of the backlight module of the liquid crystal indicator of prior art 1;
Fig. 2 a is the overall diagram of the liquid crystal indicator of the present invention;
Fig. 2 b is the partial enlarged drawing of the part A of Fig. 2 a;
Fig. 2 c is the partial enlarged drawing of the part B of Fig. 2 b;
Fig. 3 be the present invention liquid crystal indicator Fig. 2 c along C-C intercept from direction D-D viewing sectional view;
Fig. 3 a is the E part partial enlarged drawing of Fig. 3.
Fig. 4 is the diaphragm released state isometric view of an embodiment of the present invention;
Fig. 5 is the support released state isometric view of an embodiment of the present invention;
Fig. 6 a be an embodiment of the present invention Fig. 2 c along C-C intercept from direction D-D viewing center released state isometric view;
Fig. 6 b be another kind embodiment of the present invention Fig. 2 c along E-E intercept from direction F-F viewing center released state isometric view;
Fig. 7 is the center bottom surface upward view of an embodiment of the present invention;
Fig. 8 a is support and the center released state upward view of an embodiment of the present invention;
Fig. 8 b is the support assembling bottom plan view with center of an embodiment of the present invention;
Fig. 9 is structural representation during the unassembled liquid crystal panel of an embodiment of the present invention;
Figure 10 is the structural representation of the backlight module of the liquid crystal indicator of an embodiment of the present invention;
Figure 11 is the structural representation of the backlight module of the liquid crystal indicator of another kind embodiment of the present invention;
Figure 12 is the support released state isometric view of another kind embodiment of the present invention;
Figure 13 is the center released state isometric view of another kind embodiment of the present invention;
Figure 14 a is support and the center released state upward view of another kind embodiment of the present invention;
The support of Figure 14 b another kind embodiment of the present invention and the confined state bottom plan view of center.
Detailed description of the invention
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 clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Fixing with center support arm not firm for liquid crystal panel in LCD backlight module in solution prior art, and liquid crystal panel and center support arm upper surface attach not firm easy disengaging and cause subregion leakage problem, embodiment of the present invention basic ideas are, in the width limited case by liquid crystal panel BM district, change the assembling structure of backlight module in prior art, adopt the fixing device of a kind of diaphragm, it increases the contact area that liquid crystal panel attaches with center support arm upper surface as far as possible, to improve liquid crystal panel and the fixed property of center.
Embodiment one:
As shown in Fig. 2 a ~ Figure 10, below in conjunction with accompanying drawing, the backlight module liquid crystal indicator that the embodiment of the present invention one is provided describes in detail.The LCD device backlight module that the embodiment of the present invention provides is except comprising structure shown in Fig. 2 a ~ Figure 10, also including at least backlight, reflector plate etc., other compositions about the LCD device backlight module of the embodiment of the present invention, those skilled in the art can refer to the concrete structure of the LCD device backlight module disclosed in prior art, and this is not limited by the present invention.
Fig. 2 a is the overall diagram of the liquid crystal indicator of the present invention;Fig. 2 b is the partial enlarged drawing of the part A of Fig. 2 a;Fig. 2 c is the partial enlarged drawing of part B in Fig. 2 b;Fig. 3 be the present invention liquid crystal display Fig. 2 c along C-C intercept from direction D-D viewing sectional view;Fig. 3 a is the E part partial enlarged drawing of Fig. 3;Fig. 4 is the diaphragm released state isometric view of an embodiment of the present invention;Fig. 5 is the support released state isometric view of an embodiment of the present invention;Fig. 6 a be an embodiment of the present invention Fig. 2 c along C-C intercept from direction D-D viewing center released state isometric view;Fig. 6 b be another kind embodiment of the present invention Fig. 2 c along E-E intercept from direction F-F viewing center released state isometric view.
In conjunction with reference to shown in 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 indicator, and shown in Fig. 3, the present embodiment liquid crystal indicator 100 is unmatched border structure, including: liquid crystal panel 110 and backlight module 120, wherein, backlight module 120 includes: diaphragm 121, center 122, backboard 124, light guide plate 125, liquid crystal panel 110 is positioned at above backlight module 120, receives backlight module 120 and provides light source displayable image picture.
Shown in Fig. 3, Fig. 6 a and Fig. 6 b, center 122 is rectangular box structure, including sidewall 122b with along center support portion 122a vertically extending for sidewall 122b, wherein, sidewall 122b provides the appearance of liquid crystal display 100, and center support portion 122a includes upper surface 1221a and lower surface 1223a and side surface 1222a.Wherein, upper surface 1221a is planar structure.
Concrete, as shown in Figure 3 a, liquid crystal panel 110 is arranged on the upper surface 1221a of center support portion 122a, and backboard 124 fixes on the lower surface 1223a of center support portion 122a, so, backboard 124 and liquid crystal panel 110 are separately fixed in the upper and lower surface of center support portion 122a, to form the rectangular cavities closed.Arranging backlight assembly in this rectangular cavities and form liquid crystal module 100, wherein, backlight assembly includes light guide plate 125, light source (not shown), diaphragm 121, reflector plate (not shown) etc..
It should be noted that in liquid crystal display 100, liquid crystal panel 110 includes viewing area and BM district in the present embodiment, wherein, BM district is the non-display area forming the edge one fixed width at liquid crystal panel 110, and usual BM sector width is a fixed value.In order to make formation uniform light in viewing area, need to backlight assembly and center 122 coupling part be arranged in BM overlay area, for more firmly fixative crystal panel, better to the sealing gap between liquid crystal panel and center, liquid crystal panel is made to be firmly mounted on the upper surface 1221a of center support arm, accordingly, it would be desirable to expand the width D in the BM district of liquid crystal panel 100 and the upper surface area of center support arm as far as possible.With reference to shown in Fig. 1 a, because A value, B value, C value, D value sum are limited to BM value, to those skilled in the art, under BM value very minor premise, change A value, B value, C value, D value are extremely difficult, and its design space is also limited.So, in the embodiment of the present invention, by changing diaphragm assembling structure in prior art, reduce diaphragm installation and take up room, it may be assumed that relatively increase above-mentioned D design load by reducing the value of C.
Continuing as shown in Figure 3 a, backlight module 120 also includes support 123, and wherein, support 123 includes Part I 123a and along Part I 123a one end and to vertically extending Part II 123b.
Being further continued for as illustrated in figures 3 a and 4, diaphragm 121 includes diaphragm display part 121a and diaphragm installation portion 121b, and diaphragm installation portion 121b includes: with the diaphragm display part 121a tongue 1212b being connected, and be positioned at the through hole 1211b of diaphragm display part 121a junction.
It addition, as shown in Figure 3 a, backlight module 120 also includes light guide plate 125, including exiting surface 125a and incidence surface 125b.
In the embodiment of the present invention one, shown in Fig. 3 a, Part I 123a is formed between the side surface 1222a of light guide plate side 125b and center support portion 122a, Part II 123b is formed on lower surface 1223a, backboard 124 is fixing with the lower surface 1223a of center support portion 122a to be connected, diaphragm display part 121a is formed on light guide plate exiting surface 125a, tongue 1212b is inserted between Part I 123a and center side surface 1222a, and the upper end of Part I 123a is located in through hole 1211b.Further, tongue 1212b and diaphragm display part 121b is formed and is mutually perpendicular to angle.
In contrast the invention process, Figure 10 is known with Fig. 1 a in prior art, in the embodiment of the present invention, under the premise that liquid crystal indicator black surround region BM width is constant, for expanding processing and the value of assembling preset space D, under the premise that the value of A and B remains unchanged, by the mounting means that above-mentioned diaphragm is folding.nullWherein,Owing to the embodiment of the present invention have employed the independent rack of fixing diaphragm,This support is only formed between light guide plate and center support portion,And diaphragm installation portion tongue is plugged between the side surface of support and center support portion,It is different from prior art,The upper surface of center support arm needs to arrange the hangers of fixing diaphragm protuberance,The through hole correspondence making diaphragm protuberance is affiliated on center hangers,Accordingly,Diaphragm protuberance is laid in the upper surface of center support arm,The embodiment of the present invention decreases the design space of reserved hangers on center support arm upper surface,And reserve the wider space of tiling diaphragm protuberance,Diaphragm installation portion is formed in the gap between the side surface of support Part I and center support portion,The width that installation width reduction is gap of diaphragm installation portion,Under the premise using identical diaphragm,It is about 0.3mm that C ' value is about diaphragm thickness,Therefore in small space, C value is achieved by the significantly reduction of 1.5mm to C ' value 0.3mm,Further,A value+B value+C ' value+D is worth still within the scope of BM value restriction,And A and B is worth under constant premise,D value can be risen to about 2.6mm by 1.4mm in prior art,Therefore,The present invention is by reducing C value,Improve the value of D accordingly,It is used in liquid crystal panel to increase with the fixing contact area of center upper surface,Improve the fixed property of liquid crystal panel.Further, paste position between liquid crystal panel and center to be not easily disconnected from and reduce the probability of printing opacity.
In the present embodiment, as it is shown in figure 5, Part I 123a is provided with lower wall 1231a and upwardly extending hangers 1232a.Further, in order to improve the intensity of support Part I 123a, wherein, lower wall 1231a is upper along its length is bending structure, is provided with hangers 1232a on lower wall 1231a bending part laterally.Concrete, hangers 1232a is arranged in through hole 1211b.
Further, in order to reduce the lower surface 1223a connective stability of Part II 123b and center support portion 122a and reduce the requirement of thickness, Part II 123b includes location-plate 1231b, further, is engraved structure between location-plate 1231b.Wherein, on a support, location-plate 1231b can be one or more, and wherein, in order to position stability maintenance between center and support, location-plate may be configured as 2 or 3.
If Fig. 6 a, Fig. 6 b and combination are with reference to shown in Fig. 7, lower surface 1223a is arranged at intervals with some groove 12231a along center length direction.Wherein, for the ease of making the location-plate 1231b tongue of support in groove 12231a, groove 12231a is being provided with opening along side surface 1222a direction.
With reference to shown in Fig. 8 a and Fig. 8 b, the location-plate 1231b arranged along described 123 stent length directions is consistent with the groove 12231a correspondence position arranged along described center length direction, quantity is identical.Further, direction of being eated dishes without rice or wine by support location-plate 1231b groove 12231a along described center lower surface 1223a is slipped into fixing.Fixed form can select to paste or select screw to fix, it is also possible to being folded in by location-plate 1231b between backboard 124 and center lower surface 1223a and be fixed, the present invention does not limit herein.
Further, with reference to, shown in Fig. 9, light guide plate 125 laminating being placed on backboard 124 and realizes location, hangers 1232a and through hole 1211b matched in clearance along support 123 length direction, coordinate along zero clearance, described support width direction.
With reference to shown in Figure 10, for realizing reduction C place value and then increasing the purpose of D place value, liquid crystal panel 110 laminating is placed on center upper surface 1221a place, to increase liquid crystal panel and fitting area on center upper surface 1221a, center upper surface 1221a is planar structure so that liquid crystal panel is fully directly fitted with this planar structure.
Further, the mode of folding diaphragm installation portion is adopted by the present invention, diaphragm installation portion C value is reduced to diaphragm thickness C ', relatively D value can be improved, and corresponding center upper surface 1221a can obtain broader processing headspace, liquid crystal panel and center upper surface area and become big, therefore, liquid crystal panel can obtain fixing more securely, and the sealing between liquid crystal panel and center simultaneously can also be improved accordingly, decreases edge printing opacity probability.
Embodiment two:
The present embodiment two is the variation of embodiment one, in conjunction with reference to Figure 11, Figure 12 and Figure 13, with embodiment one the difference is that, the Part II 123b of support is that single flat board 1231b, flat board 1231b include end face 12311b and bottom surface 12312b;Accordingly, the lower surface of center 122 is plane 12232a.
In conjunction with reference to Figure 11, shown in Figure 14 a and Figure 14 b, Part II 123b is connected by the end face 12331b of flat board is fixing with the plane 12232a of center lower surface, and described fixed form can select to paste or select screw to fix, can also being sandwiched, the present invention limit herein.
Continuing as shown in figure 11, described backboard 124 is fixing with the bottom surface 12312b of described flat board to be connected, and described fixed form can select to paste or select screw to fix, and the present invention does not limit herein.
Constitute etc. known by those skilled in the art about other of the backlight module of the embodiment of the present invention and liquid crystal display, be referred to the state of the art, no longer describe in detail at this.
In the description of this specification, specific features, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims (9)

1. a backlight module, including: light guide plate and the center forming rectangular box, described light guide plate includes incidence surface and exiting surface, and described center includes sidewall and along the vertically extending support portion of described sidewall, described support portion includes upper surface, lower surface and side surface, it is characterised in that:
Support, including Part I with along described Part I one end and to vertically extending Part II;
Diaphragm, including diaphragm display part and diaphragm installation portion, wherein, described diaphragm installation portion includes tongue and through hole;
Wherein, described Part I is formed between the incidence surface and described side surface of described light guide plate, described Part II is formed on described lower surface, backboard is fixing with described lower surface to be connected, described light guide plate is fitted on described backboard, described diaphragm display part is formed on the exiting surface of described light guide plate, and described tongue is inserted between described Part I and described side surface, and the upper end of Part I is located in described through hole.
2. backlight module according to claim 1, it is characterised in that described lower surface place is provided with groove, and described Part II includes location-plate, and described location-plate is positioned in described groove.
3. backlight module according to claim 2, it is characterised in that described location-plate is multiple, and is engraved structure between described location-plate.
4. backlight module according to claim 1-3, it is characterised in that being provided with lower wall on described Part I and upwardly extend the hangers of setting, wherein, described hangers is arranged in described through hole.
5. backlight module according to claim 4, it is characterised in that described lower wall is upper for bending structure along its length, is provided with described hangers on described lower wall bending part laterally.
6. backlight module according to claim 1-3, it is characterized in that, described hangers assigns in described through hole, described hangers and described through hole are along described stent length direction matched in clearance, described hangers coordinates along zero clearance, described support width direction with described through hole, and described tongue inserts the gap location between lower wall and the center side surface of described Part I.
7. backlight module according to claim 1-3, it is characterised in that described Part II is flat board, described flat board includes end face and bottom surface, described lower surface is plane, and described Part II is connected by described end face and described plane are fixing, and described backboard is fixing with described bottom surface to be connected.
8. backlight module according to claim 1-3, it is characterised in that described upper surface is plane, liquid crystal panel laminating is fixing on the plane.
9. a liquid crystal indicator, it is characterised in that described liquid crystal indicator includes backlight module described in any one of claim 1-8, is provided above liquid crystal panel at described backlight module.
CN201610276276.1A 2016-04-29 2016-04-29 Backlight module and liquid crystal display device Active CN105807488B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610276276.1A CN105807488B (en) 2016-04-29 2016-04-29 Backlight module and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610276276.1A CN105807488B (en) 2016-04-29 2016-04-29 Backlight module and liquid crystal display device

Publications (2)

Publication Number Publication Date
CN105807488A true CN105807488A (en) 2016-07-27
CN105807488B CN105807488B (en) 2019-09-27

Family

ID=56458843

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610276276.1A Active CN105807488B (en) 2016-04-29 2016-04-29 Backlight module and liquid crystal display device

Country Status (1)

Country Link
CN (1) CN105807488B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106292067A (en) * 2016-09-07 2017-01-04 青岛海信电器股份有限公司 A kind of compound shading sealing member, 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
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
WO2019105303A1 (en) * 2017-11-30 2019-06-06 华为技术有限公司 Display assembly, terminal, and method for installing display assembly

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201262805Y (en) * 2008-03-21 2009-06-24 美的集团有限公司 Display device for heating appliance
CN102829395A (en) * 2012-08-15 2012-12-19 深圳市华星光电技术有限公司 Backlight module and liquid crystal display device related to backlight module
CN102889527A (en) * 2012-10-24 2013-01-23 深圳市华星光电技术有限公司 Backlight module
CN203322880U (en) * 2013-06-21 2013-12-04 上海中航光电子有限公司 Backlight module and displayer
CN204084002U (en) * 2014-08-08 2015-01-07 厦门天马微电子有限公司 A kind of backlight module and liquid crystal indicator
CN205157936U (en) * 2015-12-03 2016-04-13 青岛海信电器股份有限公司 Backlight module group and liquid crystal display
CN206130643U (en) * 2016-11-08 2017-04-26 广州创维平面显示科技有限公司 Backlight module and display equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201262805Y (en) * 2008-03-21 2009-06-24 美的集团有限公司 Display device for heating appliance
CN102829395A (en) * 2012-08-15 2012-12-19 深圳市华星光电技术有限公司 Backlight module and liquid crystal display device related to backlight module
CN102889527A (en) * 2012-10-24 2013-01-23 深圳市华星光电技术有限公司 Backlight module
CN203322880U (en) * 2013-06-21 2013-12-04 上海中航光电子有限公司 Backlight module and displayer
CN204084002U (en) * 2014-08-08 2015-01-07 厦门天马微电子有限公司 A kind of backlight module and liquid crystal indicator
CN205157936U (en) * 2015-12-03 2016-04-13 青岛海信电器股份有限公司 Backlight module group and liquid crystal display
CN206130643U (en) * 2016-11-08 2017-04-26 广州创维平面显示科技有限公司 Backlight module and display equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106292067A (en) * 2016-09-07 2017-01-04 青岛海信电器股份有限公司 A kind of compound shading sealing member, 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
WO2019105303A1 (en) * 2017-11-30 2019-06-06 华为技术有限公司 Display assembly, terminal, and method for installing display assembly
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

Also Published As

Publication number Publication date
CN105807488B (en) 2019-09-27

Similar Documents

Publication Publication Date Title
CN105807488A (en) Backlight module and liquid crystal display device
CN1591132B (en) Backlight assembly for dispay
CN201170823Y (en) LCD display module
JP2007171516A (en) Liquid crystal display device and method for manufacturing the liquid crystal display device
CN104977752A (en) Display apparatus
CN102914904B (en) Liquid crystal display device
CN104534351A (en) Backlight module and display device
CN102691933B (en) Backlight module and liquid crystal indicator thereof
CN206147209U (en) Super narrow frame structure of liquid crystal display
US9983426B2 (en) Display module and display device comprising display module
US20170108640A1 (en) Backlight module and display device
CN101960366A (en) Display, television receiver
US20230400621A1 (en) Light guide plate, backlight module, and display device
US11747664B2 (en) Display device
CN104763944A (en) Backlight module and display device
CN110850625A (en) Liquid crystal display module and display device
CN107490888A (en) A kind of display device
CN211123563U (en) Liquid crystal display module with improved light-emitting effect
CN207081920U (en) A kind of backlight module and display
CN101556394A (en) Liquid crystal display device
US9195085B2 (en) Back plate capable of resisting external forces, backlight module having the same, and liquid crystal display using the same
US10203445B2 (en) Backlight unit, display panel and display device
CN113867037B (en) Display module and mounting method thereof
CN105527760A (en) Display module and display device
CN113534529B (en) Display module and installation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

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.