Flat-panel screens
Technical field
The utility model is about a kind of flat-panel screens, flat-panel screens comparatively easily when referring to a kind of maintenance especially.
Background technology
The general closed planar display is to assemble by each element is stacked, in process of production, can produce faulty materials unavoidably.Wherein, fluorescent tube damages and is more common situation.At this moment, promptly need to carry out the replacing of fluorescent tube.Yet, when changing fluorescent tube, must earlier entire aphototropism mould be dismantled.Therefore, replacing suitable inconvenience of fluorescent tube and process are complicated tediously long.
For addressing the above problem, the conventional planar display of another kind of design is suggested.Please in the lump with reference to figure 1 and Fig. 2, as shown in FIG., display panel 111 is to be placed in the casing 11 with module 12 backlight, and module backlight 12 can slide along the slide rail 124,125 at casing 11 two ends.In addition, module 12 backlight can be pushed in the casing 11 or with module 12 backlight by handle 126 and in casing 11, extract.When assembling flat-panel screens 1, module 12 backlight need push earlier in the casing 11, makes the joint the 122, the 123rd of its bottom, engages with the joint 112,113 of casing 11 inside accordingly, to receive the control of electronic signal.Then, bolt-lock screw 127,128 is to stablize the engagement state of joint 122,123,112 and 113.
Though design has slide rail 124,125 in the flat-panel screens 1, makes the producer pull down module 12 backlight in the mode of substituting, and then increase the convenience of changing fluorescent tube 121.Yet the design of slide rail 124,125 can increase casing 11 frame occupation space, and has reduced the texture of flat-panel screens 1.In addition, more increase the restriction of circuit design, and reduce the elasticity of circuit design greatly.
The utility model content
A purpose of the present utility model is to make flat-panel screens can simplify the process of dismounting when the dismounting light-emitting component, to promote the convenience of maintenance light-emitting component.
The utility model provides a kind of flat-panel screens, comprising: a module backlight, template die group and a rotating shaft.Rotating shaft is to be arranged between module backlight and the panel module, and the panel module is articulated in module backlight by rotating shaft.
Light-emitting component indefinite of the present utility model, it can be cold cathode fluorescent lamp, HCFL or light emitting diode.When desire was changed light-emitting component, only needing had an angle with the corresponding rotating shaft rotation of panel module, thereby the panel module is started.Therefore, operating personnel can change light-emitting component easily, and need not the whole front panel module is dismantled from module backlight, simplify disassembly process and the effect of promoting the maintenance convenience so reach.
In the utility model, above-mentioned rotating shaft can be positioned at an edge of adjacent back optical mode group and/or panel module, and be preferably be arranged at before between frame and the backboard.Secondly, flat-panel screens of the present utility model and module backlight thereof can also comprise at least one group two connecting rod, and the two ends of two connecting rods can connect module backlight and panel module respectively.Therefore, after above-mentioned flat-panel screens and module backlight thereof make the corresponding rotating shaft of panel module rotate in the process of dismounting light-emitting component, can be by the support of two connecting rod counter plate modules so that be formed with an angle between module backlight and the panel module.The number of above-mentioned two connecting rods also can be many groups, as: two groups, on the opposite side that is arranged at module backlight or panel module respectively.
Then, flat-panel screens of the present utility model can also have one group of mutually corresponding fastener and slot, makes up so that panel module and module backlight engage by fastener and slot mutual.Fastener and slot can lay respectively on panel module and the module backlight, and the position of fastener and slot is mutual correspondence.The position of fastener and slot and indefinite, when fastener is when being positioned at module backlight, slot can be positioned at panel module relative position; Perhaps when fastener be that slot can be positioned at the relative position of module backlight when being positioned at the panel module.
Above-mentioned module backlight can also comprise a backboard and at least one light-emitting component, and backboard is in order to ccontaining light-emitting component.Backboard can be the element that the good material of thermal diffusivity is made, and is preferably metal and makes.
The beneficial effects of the utility model are:
Flat-panel screens of the present utility model can be simplified the process of dismounting when it is the dismounting light-emitting component, to promote the convenience of maintenance light-emitting component.
Description of drawings
For the effect that makes the convenient simple and direct understanding further feature content of the present utility model of auditor and advantage and reached can more manifest, below in conjunction with embodiment and accompanying drawing describe in detail as after, wherein:
Fig. 1 is known flat-panel screens synoptic diagram.
Fig. 2 is the decomposing schematic representation of known flat-panel screens.
Fig. 3 is the synoptic diagram of flat-panel screens one state of the utility model one preferred embodiment.
Fig. 4 is the synoptic diagram of another state of flat-panel screens of the utility model one preferred embodiment.
Fig. 5 is the flat-panel screens diagrammatic cross-section of the utility model one preferred embodiment.
Embodiment
At first, please in the lump with reference to figure 3 to Fig. 5, these accompanying drawings are the flat-panel screens 2 that show the utility model one preferred embodiment.The outward appearance of Fig. 3 display plane display 2, the outward appearance of Fig. 4 display plane display 2 another states, Fig. 5 is a section of display plane display 2 then.
In Fig. 3 to Fig. 5, to describe for facility, present embodiment is an example with the Staight downward type backlight module only, so it is not defined as the Staight downward type backlight module.As shown in Figure 3, the flat-panel screens 2 of present embodiment mainly is made up of a module backlight 21, template die group 22, a rotating shaft 23 and one group of two connecting rod 24.Wherein, rotating shaft 23 is to be arranged between module 21 backlight and the panel module 22 and an edge of adjacent back optical mode group 21 and panel module 22, so panel module 22 is to be articulated in module 21 backlight by rotating shaft 23.The light source that module 21 backlight provides is injected panel module 22 forward, for 22 display frames of panel module.
As shown in Figure 5, module 21 backlight mainly comprises at least one light-emitting component 211, a reflector plate 212 and a backboard 213.In the present embodiment, backboard 213 is elements of being made by metal, so that the heat energy that is produced when light-emitting component 211 is luminous is able to good heat radiating via backboard 213 to quickly diffuse to flat-panel screens 2 outsides.211 of light-emitting components are to be placed in the backboard 213, and reflector plate 212 then is the below that is disposed at light-emitting component 211.The light-emitting component 211 of present embodiment is a HCFL, yet in other embodiments, light-emitting component 211 can be the light-emitting component of other type.When the light that sends when light-emitting component 211 was incident to reflector plate 212, reflector plate 212 was with this light reflection.In addition, one side present embodiment in the fastener 214 that is provided with of backboard 213, and is provided with a slot 224 in panel module 22 with respect to fastener 214 places.Fastener 214 can be embedded in the slot 224, and makes that module 21 backlight is to make up regularly with panel module 22.On the other hand, when needs are changed light-emitting component 211, also fastener 214 can be discharged from slot 224 and get loose, so that formation one angle theta 1 between panel module 22 and the module backlight 21, as the state that illustrates among Fig. 4.Yet in the middle of another preferred embodiment of the present utility model, above-mentioned slot 224 also can be arranged at module 21 backlight, is provided with fastener 214 in panel module 22 corresponding slots 224 places to reach and the above-mentioned chimeric and suitable effect that gets loose.
Panel module 22 comprises a display panel 221, at least one blooming piece 222 and a preceding frame 223.In the present embodiment, blooming piece 222 is before being located in the lump with display panel 221 among the frame 223, and speaks by the book, and blooming piece 222 is to be arranged between display panel 221 and the light-emitting component 211.Present embodiment is manufactured with many pixel (not shown) on display panel 221, display panel 221 according to display data that it received and the briliancy of controlling each pixel with display frame.The blooming piece 222 of present embodiment comprises a polaroid (not shown) and a light guide plate (not shown), and polaroid and light guide plate are to be laminated to each other.When the light that sends from module 21 backlight passed blooming piece 222, blooming piece 222 can produce certain effect to the optical property or the characteristic of light.For instance, only allow that as: blooming piece 222 light of a certain polarization direction penetrates or change the direct of travel that light penetrates etc.
Then, in the present embodiment, rotating shaft 23 mainly comprises an axial region 231 and a rotation section 232.The axial region 231 of rotating shaft 23 is and preceding frame 223 one-body molded making, and the rotation section 232 of rotating shaft 23 is and backboard 213 one-body molded making.Axial region 231 is to be arranged in the rotation section 232 to allow that rotation section 232 is that rotate in the axle center with axial region 231.Yet in other embodiment of the present utility model, axial region 231 also can be arranged at backboard 213, and rotation section 232 can correspondence be arranged at preceding frame 223, and perhaps, axial region 231 and rotation section 232 all can be the zero element of the one-body molded technology manufacturing of non-genus.
Above-mentioned two connecting rods 24 are metal connecting rods of a pair of interconnection, and it is to be arranged between module 21 backlight and the panel module 22.The two ends of two connecting rods 24 connect module 21 backlight and panel module 22 respectively, and two connecting rods 24 of present embodiment are sides that is arranged at module 21 backlight.Module 21 backlight also forms a groove 215,225 with panel module 22 respectively in the position of corresponding two connecting rods 24, and therefore the fastener 214 when module 21 backlight is when being embedded in the slot 224 of panel module 22, and groove 215,225 can ccontaining two connecting rods 24.In other embodiment of the present utility model, can on the opposite side of module 21 backlight and panel module 22, be respectively arranged with one group of two connecting rod 24.When the fastener 214 of module 21 backlight is that two connecting rods 24 support module 21 backlight and panel module 22, so that be formed with an angle between module backlight 21 and the panel module 22 when discharging the slot 224 that gets loose in panel module 22.At this moment, the maintenance personal can carry out light-emitting component replacing operation expediently.
Hereat, according to the above description, flat-panel screens of the present utility model is provided with a rotating shaft between module backlight and panel module, therefore when needs are changed light-emitting component, need not relief surface template die group can change operation, so simplify package program and increase the maintenance convenience.
The foregoing description only is to give an example for convenience of description, and the interest field that the utility model is advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.