CN206863401U - Directly-down liquid crystal display - Google Patents

Abstract

The utility model discloses a kind of directly-down liquid crystal display, the elastic support member that the LCD assembly of the opening of the cavity is assemblied in including the backboard with cavity, covering and is extended from the cavity bottom towards the LCD assembly, backboard described in the elastic support member assembly connection.Technical solutions of the utility model between backboard and LCD assembly by setting elastic support member, when shock and vibration of the directly-down liquid crystal display by the external world, cushioning effect is played by the elastic support member, because elastic support member has certain deformation quantity, it can give the reaction force that LCD assembly or backboard increase and increased with deflection, so as to reduce the impulsive force in the external world, the degree of wear between LCD assembly and support member and between LCD assembly inner member is reduced, optics is improved and regards effect.

Description

Directly-down liquid crystal display

Technical field

Field of liquid crystal is the utility model is related to, more particularly to a kind of directly-down liquid crystal display.

Background technology

The striation array of current directly-down liquid crystal display is placed in backboard, and the light that light source is sent shines directly into liquid crystal Display module, to realize display function.Because striation is provided between LCD assembly and backboard, in order to prevent liquid crystal Location conflicts are produced between display module and striation, it is general using the setting lamp support column between LCD assembly and backboard； And in the prior art, lamp support column is typically made of rigid structure.Because directly-down liquid crystal display is being tested or transported When being acted in journey by shock and vibration, between LCD assembly and support column and between LCD assembly inner member Shock can be produced, causes the inner member of LCD assembly to wear, optics, which regards, imitates the problem of low.

Utility model content

Main purpose of the present utility model is to propose a kind of directly-down liquid crystal display, it is intended to is solved due to rigid structure Abrasion between lamp support column and LCD assembly and between LCD assembly inner member and cause optics regard imitate it is low The problem of.

To achieve the above object, the utility model proposes directly-down liquid crystal display, including the backboard with cavity, cover Lid is assemblied in the LCD assembly of the opening of the cavity and including from the cavity bottom towards the liquid crystal display group The elastic support member of part extension, backboard described in the elastic support member assembly connection.

Preferably, the elastic support member includes the bottom plate being fixed on the backboard and is fixed on the bottom plate Elastic component, the elastic component extend towards the LCD assembly in the shape of a spiral.

Preferably, the elastic component is helically coniform or spiral circle column.

Preferably, the top away from the cavity bottom of the elastic component abuts against with the LCD assembly.

Preferably, the bottom of the cavity is provided with some lamp bars being spaced apart, and the elastic component is pressed in maximum The distance of its top to the cavity bottom is more than the lamp bar top to the distance of the cavity bottom during contracting state.

Preferably, the elastic component is the part using transparent elastic material.

Preferably, the bottom plate snaps connection with the backboard.

Preferably, the bottom of the bottom plate is convexly equipped with elastic projection, and the bottom of the cavity is provided with and the elastic projection The button hole being clasped.

Preferably, the outward flange of the bottom plate is provided with least two detents being spaced apart, the bottom of the cavity Also it is convexly equipped with the locating dowel coordinated respectively with each detent card insertion.

Preferably, the LCD assembly includes abutting the diffuser plate of the backboard, relative with the diffuser plate interval The liquid crystal panel of setting and the blooming piece between the liquid crystal panel and the diffuser plate, the backboard have with it is described Diffuser plate abuts the annular flange coordinated and several intervals are convexly equipped in limited post in the annular flange, on the diffuser plate And respectively spacing hole with each limited post clamping matching identical with the limited post quantity provided with quantity.

Technical solutions of the utility model are by using between the backboard and LCD assembly of directly-down liquid crystal display Elastic support member is set, and under the impact of external force, backboard and LCD assembly deform to inner side, described so as to compress Elastic support member brings it about elastic deformation, and with the increase of deformation quantity, elastic support member gives backboard or liquid crystal display group The bounce of part is bigger, counteracts the impulsive force in a part of external world, so as to make it obtain cushioning effect, reduces support The degree of wear between part and LCD assembly and between LCD assembly inner member, improve it and fray and ask Topic, the optics for improving user regard effect.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the whole interior structural representation of the utility model directly-down liquid crystal display embodiment；

Fig. 2 is the elastic support structure schematic perspective view of the utility model directly-down liquid crystal display embodiment；

Fig. 3 is the plan of the elastic support structure of the utility model directly-down liquid crystal display embodiment；

Fig. 4 is the elastic support structure assembling schematic diagram of the utility model directly-down liquid crystal display embodiment；

Fig. 5 is partial enlarged drawing at A in Fig. 4；

Fig. 6 is the diffuser plate of the utility model directly-down liquid crystal display embodiment and the assembling schematic diagram of backboard；

Fig. 7 is partial enlarged drawing at B in Fig. 6.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Backboard	110	Cavity
111	Cavity bottom	112	Locating dowel
				113	Button hole	120	Annular flange
121	Limited post	200	LCD assembly
				210	Diffuser plate	220	Liquid crystal panel
230	Blooming piece	300	Elastic support member
				310	Bottom plate	311	Detent
320	Elastic component	330	Elastic projection
				400	Lamp bar	500	Reflector plate
600	Glue frame	700	Face-piece

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.

If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of case is not present, also not within the protection domain of the requires of the utility model.

The utility model proposes a kind of directly-down liquid crystal display.

In the utility model embodiment, as shown in Figure 1, Figure 2 and Figure 3, the directly-down liquid crystal display, including with recessed The backboard 100 of chamber 110 and covering are assemblied in the LCD assembly 200 of the opening of cavity 110, in addition to from cavity bottom 111 elastic support members 300 extended towards LCD assembly 200, the assembly connection backboard 100 of elastic support member 300.By In directly-down liquid crystal display can be impacted or be vibrated in an experiment or in transit, backboard 100 and LCD assembly 200 It may be deformed to inner side, cause to wear between the inner member in LCD assembly 200, in order to avoid as far as possible The generation of problems, elastic support member is provided between the cavity bottom 111 of backboard 100 and LCD assembly 200 300, and the assembly connection of elastic support member 300 is on backboard 100.

In impulsive force of the backboard 100 by the external world, backboard 100 deforms to inner side, so as to drive elastic support member 300 Moved with the direction of its deformation, after the elastic support member 300, which contradicts, arrives LCD assembly 200, the elastic support member 300 can be produced certain deformation quantity by compression；Deformation quantity is bigger, and the elastic support member 300 is anti-caused by recovery deformation Elastic force is bigger, and its bounce is applied on backboard 100, so as to play the effect for hindering backboard 100 to produce deformation, plays Certain cushioning effect.

In impulsive force of the LCD assembly 200 by the external world, LCD assembly 200 deforms to inner side；Work as liquid crystal After display module 200 contacts with elastic support member 300, the elastic support member 300 can produce deformation by compression, now liquid Crystal display assembly 200 can continue to move with the deformation direction of the elastic support member 300；Shape is occurring for elastic support member 300 The bounce for hindering its deformation can be produced during change, the bounce can increase with the increase of decrement, and then be applied to liquid crystal Show on component 200 so that LCD assembly 200 also has the power for recovering deformation, so as to serve obstruction LCD assembly 200 produce the effect of deformation, serve certain cushioning effect.

When being compressed in elastic support member 300 and producing deformation, with the increase of decrement, it acts on liquid crystal display Bounce on component 200 is bigger so that and the pressure between the inner member of liquid crystal display assembly 200 is bigger, so that The maximum static friction force obtained between it is also bigger, now needs bigger external force just to make to produce relative slide between them； Increase equivalent to the supporting construction by self-deformation amount, its caused bounce can also increase therewith, so as to counteract Part foreign impacts power even whole impulsive forces so that the impulsive force after being cancelled is not enough to overcome LCD assembly 200 Inner member between maximum static friction force, that is, the impulsive force after offsetting be insufficient to allow between them produce it is relative slide, So as to reduce the degree of wear of the inner member of LCD assembly 200, to reach the effect for improving optics and regarding effect.When external force is removed After removing, the elastic support member 300 recovers deformation, so as to drive LCD assembly 200 to be moved to the direction for recovering deformation, with It is less and less the deflection of elastic support member 300, its caused bounce is less and less, LCD assembly 200 and bullet Property support member 300 between and the inner member of LCD assembly 200 between pressure also can be less and less, until they it Between reach zero pressure in addition depart from state, now elastic support member 300, LCD assembly 200 return to original state.

Specifically, elastic support member 300 can directly be fixed on the cavity bottom of backboard 100 using flexible part In portion 111, such as spring, bellows etc., it can be directly bonded, be welded on backboard 100 when fixed；To can also have The part of elasticity is fixed on bottom plate 310, is fixed by the bottom plate 310 with backboard 100, so as to realize elastic support member 300 are fixed on the function on backboard 100.

Technical solutions of the utility model between the cavity bottom 111 of backboard 100 and LCD assembly 200 by setting Elastic support member 300, under the impact of external force, backboard 100 or LCD assembly 200 deform to inner side, compress bullet Property support member 300 brings it about elastic deformation, and with the increase of deformation quantity, elastic support member 300 gives backboard 100 or liquid crystal The bounce of display module 200 is bigger, counteracts the impulsive force in a part of external world, so as to make it obtain cushioning effect, subtracts The small degree of wear between support member and LCD assembly 200, between the inner member of LCD assembly 200, improve Its problem that frays, improve optics and regard effect.

Further, as shown in Figures 2 and 3, in order to being carried out elastic support member 300 as independent part more Change, elastic support member 300 includes the bottom plate 310 being fixed on backboard 100 and the elastic component 320 being fixed on bottom plate 310, bullet Property part 320 extends towards LCD assembly 200 in the shape of a spiral.Specifically, can be used between elastic component 320 and bottom plate 310 viscous The fixed connected mode such as connect, can also use by the way of linking up with and being flexible coupling.Spiral shell can be used between bottom plate 310 and backboard 100 Line is connected, snapped connection.In order that a part of light avoids the elastic component 320, LCD assembly 200 is projected directly at On, the elastic component 320 is preferentially using the spring to be spiraled by screw thread, and in order to play support LCD assembly 200 effect, the elastic component 320 extend towards LCD assembly 200.

When elastic component 320 is by pressure from LCD assembly 200 or backboard 100, the spiral helicine elastic component 320 are effectively compressed in the axial direction；Because the elastic component 320 is in compressed state, the elastic component 320, which can discharge, hinders it The power of deformation, so as to counteract the shock and vibration in a part of external world, play preferable cushioning effect.Specifically, elastic component 320 Cross sectional shape and area be not required, as long as disclosure satisfy that the strength and stiffness of elastic component 320.In LCD assembly Several elastic support members 300 can be uniformly arranged between 200 and backboard 100.It can so be acted in external force shock and vibration Lower effectively scattered external force, reduce the fatigue strength of each elastic support member 300, so that each elastic support member 300 Service life increase.

Further, elastic component 320 is helically coniform or spiral circle column.In order to reach more preferable optical effect, bullet Property part 320 is preferably helically coniform.While can meet stress intensity and rigidity, the shape of conical helix can also make The wide part that light source is sent is avoided the entity of elastic component 320 and directly launched, and avoids the loss of more luminous energy.

Further, when directly-down liquid crystal display is horizontal and LCD assembly 200 is placed upward, due to gravity Effect, LCD assembly 200 have the trend of downward deformation, occur in order to avoid the situation of such deformation, elastic component 320 Abutted against away from the top of cavity bottom 111 with LCD assembly 200.So, support liquid crystal can on the one hand be played Show the effect of component 200, on the other hand can play a part of hindering LCD assembly 200 to be deformed by Action of Gravity Field.

Further, as shown in figure 4, the bottom of cavity 110 is provided with some lamp bars 400 being spaced apart, elastic component 320 When in most compressed state its top to cavity bottom 111 distance be more than the top of lamp bar 400 to cavity bottom 111 away from From.In order to prevent that LCD assembly 200 encounters lamp bar 400 and wears lamp bar 400 in 320 compressed state of elastic component Situation occurs, it is necessary to ensure that the distance of its top to cavity bottom 111 when elastic component 320 is in most compressed state is greater than Distance of the top of lamp bar 400 to the inner side of backboard 100.This avoid LCD assembly 200 and lamp bar 400 to wear, and ensure that Lamp bar 400 sends high-quality light, and the optics for improving user regards effect.Specifically, lamp bar 400 is LED light bar.The hair of LED light bar Light lasts a long time；The volume of LED light bar is relatively small simultaneously, can realize the effect of optical plane.

Further, due to elastic component 320 be between optical component, therefore the elastic component 320 need have very Good translucency, so part of the elastic component 320 using transparent elastic material, such as transparent rubber spring, clear glass spring Deng so that the light that lamp bar 400 is sent can be got on the elastic component 320 again by the way that reflection occurs during the elastic component 320, together When and can ensure that most of light can avoid the elastomer and be transmitted directly on diffuser plate 210.

Further, elastic support member 300, the bottom plate 310 and backboard of elastic support member 300 are changed for convenience Between 100 by the way of being detachably connected.Specifically, threaded connection, buckle can be used between bottom plate 310 and backboard 100 The modes such as connection.In order to reduce number of parts, it is easy for installation and removal, blocks between the preferred bottom plate 310 of the present embodiment and backboard 100 Button connection, improve the efficiency of installation and maintenance.

Further, elastic projection 330 is convexly equipped with referring to figs. 1 to Fig. 3, the bottom of bottom plate 310, the bottom of cavity 110 is set There is the button hole 113 being clasped with elastic projection 330.Specifically, elastic projection 330 can be integrally formed with bottom plate 310, also may be used By using in a manner of detachably splicing.In order to save installation cost, the preferred elastic projection 330 of the present embodiment and the one of bottom plate 310 The form of shaping.

Further, as shown in Figure 4 and Figure 5, the outward flange of bottom plate 310 is provided with least two detents being spaced apart 311, cavity bottom 111 is also convexly equipped with the locating dowel 112 coordinated respectively with each card insertion of detent 311.For the ease of installing bullet Then property support member 300 passes through spiral shell again, it is necessary to the position relationship between first positioning plate 310 and backboard 100 before fixing Line connects or snapped connection etc. mode and realizes its annexation.Specifically, locating dowel 112 is using cylinder, corresponding bottom plate Detent 311 on 310 is circular arc.Manufacture craft can so be simplified, reduce production cost.

Further, as shown in Fig. 1, Fig. 6 and Fig. 7, LCD assembly 200 includes the diffuser plate for abutting backboard 100 210th, and diffuser plate 210 is spaced the liquid crystal panel 220 being oppositely arranged and the light between liquid crystal panel 220 and diffuser plate 210 Diaphragm 230 is learned, there are backboard 100 annular flange 120 that cooperation is abutted with diffuser plate 210 and several intervals to be convexly equipped in convex annular Limited post 121 on edge 120, diffuser plate 210 be provided with quantity it is identical with the quantity of limited post 121 and respectively with each limited post 121 The spacing hole of clamping matching.Backboard 100 is abutted by diffuser plate 210, the light that lamp bar 400 is sent passes through the quilt of diffuser plate 210 Equably break up, human eye seen through liquid crystal panel 220 it is just uniform, without having indivedual bright spots or dim spot.For Reach more preferable optics and regard effect, be additionally provided with blooming piece 230 between liquid crystal panel 220 and diffuser plate 210.Blooming piece 230 be a kind of diaphragm for having light diffusion particle in its surface even spread, so that light more uniformly spreads.

Due to the phenomenon that under the vibration of external force, diffuser plate 210 can be moved relative to backboard 100.Such diffuser plate 210 will produce dislocation with the light that light source is sent, so that the bright dark degree of the light on liquid crystal panel 220 is uneven, very To there is dark area.So we are necessary to position diffuser plate 210 and prevent it from being moved relative to backboard 100 It is dynamic.There are backboard 100 annular flange 120 that cooperation is abutted with diffuser plate 210 and several intervals to be convexly equipped in annular flange 120 Limited post 121, diffuser plate 210 be provided with quantity it is identical with the quantity of limited post 121 and respectively with each clamping matching of limited post 121 Spacing hole.Diffuser plate 210 is positioned in place, ensure that light can be equably got on diffuser plate 210, is improved Optics regards effect.

Further, as shown in figure 1, being provided with glue frame 600 between backboard 100 and liquid crystal panel 220, glue frame 600 is arranged It is used for supporting liquid crystal panel 220 on backboard 100.Face-piece 700, face-piece 700 and the phase of backboard 100 are additionally provided with the outside of glue frame 600 Coordinate, so as to which liquid crystal panel 220 be fixed.In order to reach more preferable visual effect, the cavity bottom 111 of backboard 100 is also posted Reflector plate 500, the light for light source to be sent equably reflex to diffuser plate 210, realize more preferable visual effect.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of directly-down liquid crystal display, including the backboard with cavity and covering are assemblied in the liquid of the opening of the cavity Crystal display assembly, it is characterised in that also include the resilient support extended from the cavity bottom towards the LCD assembly Part, backboard described in the elastic support member assembly connection.

2. directly-down liquid crystal display as claimed in claim 1, it is characterised in that the elastic support member includes being fixed on Bottom plate and the elastic component being fixed on the bottom plate on the backboard, the elastic component is in the shape of a spiral towards the liquid crystal display group Part extends.

3. directly-down liquid crystal display as claimed in claim 2, it is characterised in that the elastic component is helically coniform or spiral shell Rounding column.

4. directly-down liquid crystal display as claimed in claim 2 or claim 3, it is characterised in that the elastic component away from described recessed The top in bottom of chamber portion abuts against with the LCD assembly.

5. directly-down liquid crystal display as claimed in claim 2 or claim 3, it is characterised in that the bottom of the cavity is provided with some The lamp bar that bar is spaced apart, elastic component distance of its top to cavity bottom when in most compressed state are more than Distance of the lamp bar top to the cavity bottom.

6. directly-down liquid crystal display as claimed in claim 2 or claim 3, it is characterised in that the elastic component is to use transparent bullet The part of property material.

7. directly-down liquid crystal display as claimed in claim 2 or claim 3, it is characterised in that the bottom plate and the backboard buckle Connection.

8. directly-down liquid crystal display as claimed in claim 7, it is characterised in that the bottom projection of the bottom plate is flexible convex Block, the bottom of the cavity are provided with the button hole being clasped with the elastic projection.

9. directly-down liquid crystal display as claimed in claim 7, it is characterised in that the outward flange of the bottom plate is provided with least two The individual detent being spaced apart, the bottom of the cavity are also convexly equipped with the positioning coordinated respectively with each detent card insertion Post.

10. the directly-down liquid crystal display as described in any one of claims 1 to 3, it is characterised in that the LCD assembly Including the diffuser plate for abutting the backboard, the liquid crystal panel being oppositely arranged with the diffuser plate interval and located at the liquid crystal panel With the blooming piece between the diffuser plate, the backboard has the annular flange and several for abutting and coordinating with the diffuser plate Interval is convexly equipped in the limited post in the annular flange, and the diffuser plate is identical with the limited post quantity provided with quantity and divides Not with the spacing hole of each limited post clamping matching.