CN102043275A - Liquid crystal display and assembling method of backlight module thereof - Google Patents

Liquid crystal display and assembling method of backlight module thereof Download PDF

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Publication number
CN102043275A
CN102043275A CN 200910179812 CN200910179812A CN102043275A CN 102043275 A CN102043275 A CN 102043275A CN 200910179812 CN200910179812 CN 200910179812 CN 200910179812 A CN200910179812 A CN 200910179812A CN 102043275 A CN102043275 A CN 102043275A
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China
Prior art keywords
plate body
accommodation space
side portion
backboard
portion structure
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CN 200910179812
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CN102043275B (en
Inventor
洪明泉
邱俊昌
叶旭成
李全发
王志桂
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TPV Investment Co Ltd
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TPV Investment Co Ltd
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Abstract

The invention provides a liquid crystal display and an assembling method of a backlight module thereof. The liquid crystal display comprises a liquid crystal panel and a backlight module, and the liquid crystal panel is integrated with the backlight module; the backlight module comprises a back plate unit, a reflection unit, a light guide plate and a first light source device; the back plate unit comprise a first back plate and a second back plate, the first back plate is provided with a first plate body and a first side part structure connected with the side edge of the first plate body, the first side part structure defines a first accommodating space, the second back plate is provided with a second plate body and a second side part structure connected with the side edge of the second plate body, and the first plate body and the second plate body are connected in a mode that the first accommodating space faces the second side part structure; and the reflection unit is arranged on the first plate body and the second plate body and partially extends into the first accommodating space, the light guide plate is arranged on the reflecting unit and between the first side part structure and the second side part structure, and the first light source device is accommodated in the first accommodating space. The invention further provides the assembling method of the backlight module.

Description

The assemble method of LCD and module backlight thereof
Technical field
The present invention relates to the assemble method of a kind of LCD and module backlight thereof, particularly relate to the assemble method of a kind of LCD that is easy to assemble and module backlight thereof.
Background technology
Consult Fig. 1, in general, LCD 1 comprises a module 11 backlight, a liquid crystal module 12, a glue frame 13 and a preceding frame 14, liquid crystal module 12 is to be arranged on the module 11 backlight, and glue frame 13 is to be arranged at 12 of module 11 backlight and liquid crystal module, and preceding frame 14 is to be sheathed on liquid crystal module 12 and to link module 11 backlight.Wherein, module 11 backlight has a backboard 111, a reflector plate 112, a light guide plate 113, a fluorescent tube 114, a lampshade 115 and most blooming pieces 116, on the structure be stacked in regular turn reflector plate 112, light guide plate 113 and blooming piece 116 on backboard 111, and fluorescent tube 114 and lampshade 115 are installed in the both sides of light guide plate 113 so that light source to be provided.
Yet, learn by above-mentioned, in whole LCD 1, because the member that is comprised in the module 11 backlight is various, in the process of its assembling, will expend a large amount of artificial and times, therefore, how to improve the pattern of module 11 assemblings backlight, reduce unnecessary waste, resource is done the most effective utilization, make that LCD 1 assembling process can be simple and convenient, to save the expenditure of assembly cost, will be a problem that is worth investigation.
Summary of the invention
The object of the present invention is to provide a kind of LCD of saving assembly cost.
Another object of the present invention is to, a kind of module group assembling method backlight easily is provided.
The object of the invention to solve the technical problems realizes by the following technical solutions.The LCD that proposes according to the present invention comprises a liquid crystal panel and a module backlight, and liquid crystal panel is to be incorporated on the module backlight.Module backlight comprises a backboard unit, a reflector element, a light guide plate and one first light supply apparatus.The backboard unit comprises one first backboard and one second backboard, first backboard has first side portion structure that one first plate body and is connected in the first plate body lateral margin, first side portion structure defines one first accommodation space, second backboard has second side portion structure that one second plate body and is connected in the second plate body lateral margin, and first plate body can be connected towards the second side portion structure ground with first accommodation space with second plate body.Reflector element is arranged on first plate body and second plate body and part stretches in first accommodation space, and light guide plate is arranged on the reflector element and between first side portion structure and second side portion structure, first light supply apparatus is placed in first accommodation space.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid LCD also comprises frame before, and preceding frame comprises the surrounding wall that a roof and that is the frame shape is down extended by the roof periphery, and preceding frame borrows the surrounding wall frame to be located at periphery, backboard unit, and roof is suppressed on liquid crystal panel, makes liquid crystal panel be incorporated into module backlight.。
Preferably, aforesaid LCD, wherein said second side portion structure defines one second accommodation space, and module backlight also comprises a secondary light source device that is placed in second accommodation space, and reflector element partly stretches in second accommodation space.
Preferably, aforesaid LCD, the wherein said second plate body local dent forms a depressed part, is connected with second plate body by first plate body, and depressed part is stretched in the first plate body part.
Preferably, aforesaid LCD, wherein said first backboard also has most and is located at the first plate body bottom surface and is positioned at first threaded hole with the second plate body lap, second backboard also has most second threaded holes that connect second plate body and corresponding described first threaded hole, and module backlight also comprises most in order to wear the screw of described first threaded hole and described second threaded hole.
Preferably, aforesaid LCD, it is respectively between between first side portion structure and first light supply apparatus that wherein said reflector element stretches into part in first accommodation space and second accommodation space, and between second side portion structure and secondary light source device.
Preferably, aforesaid LCD, wherein said first backboard also has the two the first side wall structures that are arranged at opposite lateral margin of first plate body and adjacent first side portion structure respectively, and second backboard also has two second side wall constructions that are arranged at opposite lateral margin of second plate body and adjacent second side portion structure respectively.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The assemble method of the backlight liquid crystal display module that proposes according to the present invention comprises the following step:
Steps A: reflector element is set on first plate body and second plate body;
Step B: light guide plate is set on reflector element;
Step C: first plate body is connected with second accommodation space with first accommodation space opposite to each other with second plate body, makes reflector element two opposition side edge be placed in first accommodation space and second accommodation space, light guide plate respectively between first side portion structure and second side portion structure; And
Step D: ccontaining respectively first light supply apparatus and secondary light source are installed on first accommodation space and second accommodation space.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid assemble method, wherein first light supply apparatus and secondary light source device are fluorescent tube, step D is before steps A, earlier first light source light is put the two opposition side edge that are arranged at reflector element with the secondary light source device respectively, make when reflector element two opposition side edge are placed in first accommodation space and second accommodation space respectively among the step C, first light supply apparatus and secondary light source device can be placed in first accommodation space and second accommodation space respectively.
Preferably, aforesaid assemble method, wherein in this steps A, be with first backboard and second backboard with first accommodation space and second accommodation space in opposite directions and first plate body and second plate body do not put in contact, in step C, be first plate body and second plate body to be moved to opposite to each other overlap and screw lock is connected.
By technique scheme, the assemble method of LCD of the present invention and module backlight thereof has following advantage and beneficial effect at least:
LCD of the present invention is utilized the design of backboard unit, on the structure of module backlight, by the setting of first side portion structure and second side portion structure and the reflector element of arranging in pairs or groups, compared to module backlight in the past, can save the setting of lampshade and reduces cost; When module backlight is assembled, by earlier first backboard and the second backboard compartment of terrain being put, reflector element, light guide plate, first light supply apparatus and secondary light source device can be set easily, to save the spent time of assembling module backlight and manually to reduce assembly cost, in addition, by the setting of first groove, second groove and projection, also can reach the expenditure that reduces cost.
In sum, the present invention has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is an exploded perspective view, and LCD in the past is described;
Fig. 2 is an exploded perspective view, and the LCD of first preferred embodiment of the present invention is described;
Fig. 3 is an exploded perspective view, and this backlight liquid crystal display module is described.
Fig. 4 is a process flow diagram, and the number of assembling steps of this module backlight is described.
Fig. 5 is an assembling flow path synoptic diagram, the assembling process of this module backlight.
Fig. 6 is an assembling flow path synoptic diagram, illustrates that light supply apparatus is the assembling process of the module backlight of light-emitting diode (LED) module.
Fig. 7 is a diagrammatic cross-section, and the structure of this LCD is described along the first side wall structure and the second side wall construction direction.
Fig. 8 is a diagrammatic cross-section, and the structure of this LCD is described along the first side portion structure direction.
Fig. 9 is a diagrammatic cross-section, and the structure of this LCD is described along the second side portion structure direction.
Figure 10 is a diagrammatic cross-section, illustrates that along the first side portion structure direction first of this unit, interval changes the structure of implementing aspect.
Figure 11 is a diagrammatic cross-section, illustrates that along the second side portion structure direction first of this unit, interval changes the structure of implementing aspect.
Figure 12 is a diagrammatic cross-section, illustrates that along the first side wall structure and the second side wall construction direction the second and the 3rd of this unit, interval changes the structure of implementing aspect.
Figure 13 is a diagrammatic cross-section, illustrates that along the first side portion structure direction second of this unit, interval changes the structure of implementing aspect.
Figure 14 is a diagrammatic cross-section, illustrates that along the second side portion structure direction second of this unit, interval changes the structure of implementing aspect.
Figure 15 is a diagrammatic cross-section, illustrates that along the first side portion structure direction the 3rd of this unit, interval changes the structure of implementing aspect.
Figure 16 is a diagrammatic cross-section, illustrates that along the second side portion structure direction the 3rd of this unit, interval changes the structure of implementing aspect.
Figure 17 is a diagrammatic cross-section, and the LCD of second preferred embodiment of the present invention is described along the first side wall structure and the second side wall construction direction.
Figure 18 is a process flow diagram, and the number of assembling steps of this backlight liquid crystal display module is described.
Figure 19 is an assembling flow path synoptic diagram, the assembling process of this module backlight.
Figure 20 is an assembling flow path synoptic diagram, illustrates that light supply apparatus is the assembling process of the module backlight of light-emitting diode (LED) module.
Figure 21 is a diagrammatic cross-section, and first groove of first backboard and second groove of second backboard are described.
Figure 22 is a diagrammatic cross-section, and the projection of first backboard and second backboard is described.
Figure 23 is a diagrammatic cross-section, and first backboard of another aspect and the projection of second backboard are described.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the LCD that foundation the present invention is proposed and its embodiment of assemble method, structure, step, feature and the effect thereof of module backlight thereof, describe in detail as after.
Consult Fig. 2, in first preferred embodiment of LCD of the present invention, LCD 201 comprises frame 25 before a module 21 backlight, a liquid crystal panel 22, a circuit control panel 23, the unit 24, interval and.Liquid crystal panel 22 is fixed on the module 21 backlight by preceding frame 25, and unit 24 makes to form between liquid crystal panel 22 and the module backlight 21 at interval between liquid crystal panel 22 and module backlight 21 at interval, and circuit control panel 23 connects liquid crystal panel 22.
Consult Fig. 3, module 21 backlight comprises a backboard unit 3, a reflector element 4, a light guide plate 51, a blooming 52, one first light supply apparatus 61 and a secondary light source device 62.Backboard unit 3 is positioned at the bottom on the structure, then be reflector element 4, light guide plate 51 and blooming 52, the first light supply apparatuses 61 in regular turn with secondary light source device 62 is to be arranged at the both sides of light guide plate 51 and to be positioned at backboard unit 3.
Backboard unit 3 comprises one first backboard 31 and one second backboard 32.First backboard 31 has the notch portion 310 that the first side wall structure that first side portion structure 312, two that first a rectangular plate body 311, is connected in first plate body, 311 lateral margins is arranged at first plate body, 311 opposite lateral margins and adjacent first side portion structure 312 respectively 314, is formed in contrast to the local bottom surface of the lateral margin of first side portion structure 312 by first plate body 311, and most first threaded holes 315 that are arranged at first plate body, 311 bottom surfaces and are positioned at notch portion 310.Two the first side wall structures 314 are extended along leading edge, the trailing edge of first plate body 311 respectively, first side portion structure 312 have first a leg 312b who up extends by first plate body 311 and by the first leg 312b towards the side horizontal expansion at the first side wall structure 314 places and be interval in the first roof 312c of first plate body, 311 tops, and the first leg 312b front and back latter end also direction towards the first side wall structure 314 places bends and forms two the first side wall 312a, and the first leg 312b, the first roof 312c and the first side wall 312a define one first accommodation space 313.In the present embodiment, first side portion structure 312, the first side wall structure 314 and first plate body 311 are integrally formed.
Second backboard 32 has the depressed part 320 that second side wall construction 324 that second side portion structure 322, two that second a rectangular plate body 321, is positioned at second plate body, 321 lateral margins is arranged at second plate body, 321 opposite lateral margins and adjacent second side portion structure 322 respectively, is formed in contrast to the lateral margin end face local dent of second side portion structure 322 by second plate body 321, and most second threaded holes 325 that connect second plate bodys 321 and be positioned at depressed part 320.Two second side wall constructions 324 are extended along leading edge, the trailing edge of second plate body 321 respectively, second side portion structure 322 have second a leg 322b who up extends by second plate body 321 and by the second leg 322b towards the side horizontal expansion at second side wall construction, 324 places and be interval in the second roof 322c of second plate body, 321 tops, and the second leg 322b front and back latter end also direction towards second side wall construction, 324 places bends and forms two second sidewall 322a, and the second leg 322b, the second roof 322c and the second sidewall 322a define one second accommodation space 323.In the present embodiment, second side portion structure 322, second side wall construction 324 and second plate body 321 are integrally formed.
So, first plate body 311 and second plate body 321 are to be connected and to form a load plane with the lateral margin that is not centered on, and this load plane and first side portion structure 312, second side portion structure 322, the first side wall structure 314 and second side wall construction 325 define a bearing space.
Reflector element 4 is arranged on first plate body 311 and second plate body, the 321 formed load planes, and extension cloth is located on the second sidewall 322a, the second leg 322b and the second roof 322c of the first side wall 312a, the first leg 312b of first side portion structure 312 and the first roof 312c and second side portion structure 322, in the present embodiment, the dual-side shape of reflector element 4 is ㄈ shape, to be matched with first side portion structure 312 and second side portion structure 322.As shown in Figure 3, be matched with first side portion structure 312 and second side portion structure 322 by reflector element 4, will have the function of reflection source, can be used as lampshade and use, reflector element 4 is a reflector plate, also can be the reflective coating of coating first side portion structure 312 and second side portion structure, 322 interior sidewall surface.
Light guide plate 51 is arranged on the reflector element 4 and between first side portion structure 312 and second side portion structure 322, and blooming 52 is arranged on the light guide plate 51, blooming 52 can be brightness enhancement film, rhombus lens, diffusion sheet etc. one of them, quantitatively also most, or even do not have blooming 52 and also can.
First light supply apparatus 61 is placed in first accommodation space 313 and adjacent to light guide plate 51 1 sides; Secondary light source device 62 is placed in second accommodation space 323 and adjacent to light guide plate 51 1 sides, in the present embodiment, first light supply apparatus 61 is a cold cathode fluorescent lamp with secondary light source device 62.
Cooperate and consult Fig. 4 and Fig. 5, the assemble method of the module backlight 21 of above-mentioned first preferred embodiment comprises the following step:
Step 900 is arranged at first light supply apparatus 61 and secondary light source device 62 respectively two opposition side edge of reflector element 4.Wherein, reflector element 4 both side edges reflexeds are for first light supply apparatus 61 and secondary light source device 62 is set.
Step 902 is provided with reflector element 4 on first plate body 311 and second plate body 321.Wherein, be with first backboard 31 and second backboard 32 with first accommodation space 313 and second accommodation space 323 in opposite directions and first plate body 311 and second plate body 312 do not put in contact.
Step 904 is provided with light guide plate 51 on reflector element 4.
Step 906, first plate body 311 is connected with second accommodation space 323 with first accommodation space 313 opposite to each other with second plate body 321, makes 4 liang of opposition side edge of reflector element be placed in first accommodation space 313 and second accommodation space 323, light guide plate 51 respectively between first side portion structure 312 and second side portion structure 322.
More detailed description, first backboard 31 is connected with second backboard 32, the notch portion 310 of first plate body 311 is stacked and placed on the depressed part 320 of second plate body 321, just overlap in first plate body 311 and second plate body, 321 parts, then, be positioned at first threaded hole 315 of notch portion 310 and be positioned at second threaded hole 325 of depressed part 320 by screw 7 screw locks, the backboard 31 of winning closely is connected with second backboard 32, certainly, the syndeton of first backboard 31 and second backboard 32, do not exceed for example, notch portion 310 and depressed part 320 also can be set, change with kayser or the connection of other syndetons with preferred embodiment.
And, because first light supply apparatus 61 sets in advance respectively in reflector element 4 with secondary light source device 62, therefore, be connected with second backboard 32 by first backboard 31, first light supply apparatus 61 just can be placed in respectively in first accommodation space 313 and second accommodation space 323 with secondary light source device 62.
Step 908 is arranged at blooming 52 on the light guide plate 51.Owing to blooming 52 is soft lamellar body, can be arranged at easily on the light guide plate 51 by bending to be positioned at bearing space.
In addition, consult Fig. 6, first light supply apparatus 61 also can be light-emitting diode (LED) module with secondary light source device 62, and each light-emitting diode (LED) module has a light-emitting diode 63 and a circuit base 64, and step 900 will be adjusted into step 900 ', remaining step is identical.
Step 900 ', ccontaining respectively first light supply apparatus 61 and secondary light source device 62 are in first accommodation space 313 and second accommodation space 323.What specify is, two circuit base 64 are on the internal face of the second leg 322b of the first leg 312b that is connected in first side portion structure 312 by heat-conducting glue and second side portion structure 322 respectively, make light-emitting diode 63 will be possible to use first backboard 31 and second backboard 32 reaches better heat radiating effect, but because two circuit base 64 are to be arranged at the first leg 312b and the second leg 322b, so reflector element 4 is one plane, preferably, in step 902, in order to make reflector element 4 reach good reflecting effect, other two undersized reflector elements 4 can also be arranged on the interior sidewall surface of the first roof 312c and the second roof 322c.
Be noted that especially, connection by first backboard 31 and second backboard 32, formation is enough to be provided with the bearing space of reflector element 4, light guide plate 51 and blooming 52, and first light supply apparatus 61 and secondary light source device 62 can be arranged at respectively in second side portion structure 322 of first side portion structure 312 of first backboard 31 and second backboard 32, and be laid in first side portion structure 312 and second side portion structure 322 by reflector element 4, compared to module backlight in the past, can save the setting of lampshade, reach the purpose that reduces cost.
Moreover, compared in the past module backlight when the assembling, because the size of backboard is fixed, so that be difficult to easily other members are arranged in the backboard, review, backboard of the present invention unit 3, separate earlier the framework that keeps an interval to put by first backboard 31 and second backboard 32, reflector element 4 can be set easily, light guide plate 51 and blooming 52 are in backboard unit 3, and can simultaneously first light supply apparatus 61 and secondary light source device 62 be located at first backboard 31 and second backboard 32 respectively, thus, will save the spent time of assembling module backlight 21, reach the purpose that reduces cost with artificial.
Consult Fig. 7, Fig. 8 and Fig. 9, unit 24 is to be arranged on the module 21 backlight at interval, at interval unit 24 has first supporting walls 811 that is arranged at first side portion structure, 312 tops, one is arranged at first spaced walls 812 on the first side wall structure 314 tops, one second supporting walls 821 and that is arranged at second side portion structure, 322 tops is arranged at second spaced walls 822 on second side wall construction, 324 tops, first supporting walls 811 and first spaced walls 812 and first backboard 31 are integrally formed, and second supporting walls 821 and second spaced walls 822 and second backboard 32 are integrally formed.
Liquid crystal panel 22 is interval on the module 21 backlight by being arranged on first supporting walls 811, second supporting walls 821, first spaced walls 812 and second spaced walls 822, thus, makes liquid crystal panel 22 can not damage because of touching module 21 scratches backlight.
In the present embodiment, unit 24 also can be other three kinds of variation enforcement aspects at interval, and makes that liquid crystal panel 22 is that the compartment of terrain is arranged on the module 21 backlight.As Fig. 7, Figure 10 and Figure 11 shows that first change to implement aspect, at interval unit 24 changes into and has the two glue frames 83 that are arranged at 51 of the first side wall structure 312 and light guide plate 51 and second side wall construction 322 and light guide plate respectively, one is arranged at first supporting walls 811 on first side portion structure, 312 tops, and second supporting walls 821 that is arranged at second side portion structure, 322 tops, first supporting walls 811 and second supporting walls, 821 structures are same as described above, and described glue frame 83 is partly to be positioned on blooming 52 end faces, first spaced walls 812 and second spaced walls 822 have been replaced, so liquid crystal panel 22 is to be arranged at glue frame 83, on first supporting walls 811 and second supporting walls 821.
As Figure 12, Figure 13 and Figure 14 shows that second change to implement aspect, be to utilize above-mentioned first to change the framework of implementing aspect, unit 24 also has most first spacer bars 841 that are arranged on described glue frame 83, first supporting walls 811 and second supporting walls 821 at interval, so, liquid crystal panel 22 is to be arranged on first spacer bar 841, and also is away from module 21 backlight.
As Figure 12, Figure 15 implements aspect with Figure 16 shows that the 3rd variation, at interval unit 24 changes into and has first supporting walls 811 that is arranged at first side portion structure, 312 tops, one is arranged at second supporting walls 821 on second side portion structure, 322 tops, two are arranged at first spacer bar 841 on first supporting walls 811 and second supporting walls 821, and two second spacer bar 842 that is arranged on the blooming 52, its variation is glue frame 83 and first spacer bar 841 that is arranged on the glue frame 83 are replaced into second spacer bar 842, so liquid crystal panel 22 is to be arranged on first spacer bar 841 and second spacer bar 842.
It mainly is to make liquid crystal panel 22 and module 21 backlight keep one at interval that aspect is implemented in three above-mentioned variations, does not exceed for example with this preferred embodiment so aspect is implemented in variation.
Consult Fig. 7, circuit control panel 23 is to utilize flexible flat cable 85 to connect liquid crystal panel 22.Circuit control panel 23 is bottom surface and contiguous second side portion structures 322 that are arranged at second plate body 321, and flexible flat cable 85 is between second side portion structure 322 of the preceding frame 25 and second backboard 32, yet, the structure of fluid,matching crystal panel 22, circuit control panel 23 also can be bottom surface and contiguous first side portion structure 312 that is arranged at first plate body 311, and flexible flat cable 85 is between second side portion structure 312 of the preceding frame 25 and first backboard 31.
Before frame 25 comprise that one is the frame shape and is arranged at roof 251, on the liquid crystal panel 22 and is located at the surrounding wall 253 that pass through openings 252 that roof 251 and feed flow crystal panel 22 expose and is down extended by roof 251 peripheries, preceding frame 25 borrows surrounding wall 253 frames to be located at 3 peripheries, backboard unit, and roof 251 is suppressed on liquid crystal panel 22, make liquid crystal panel 22 be incorporated into module 21 backlight, and whole LCD 201 have stronger structural.
Consult Figure 17, second preferred embodiment for LCD of the present invention, LCD 202 comprises frame 25 before a module 21 ' backlight, a liquid crystal panel 22, a circuit control panel 23, the unit 24, interval and, and second preferred embodiment is module backlight compared to the difference of first preferred embodiment, the module backlight 21 ' of LCD 202 only comprises first light supply apparatus 61 ' and there is no secondary light source device 62 ' is set, and second side portion structure 322 ' of second backboard 32 ' only has the second leg 322b ', and reflector element a 4 ' only lateral margin is ㄈ shape.In addition, in order to cooperate the framework of single light source device, as shown in figure 17, the structure of reflector element 4 ', light guide plate 51 ', first backboard 31 ' and second backboard 32 ' changes all to some extent with respect to first preferred embodiment, the changing into to have in this technical field of this part knows that usually the knowledgeable knows, so repeat no more, and identical for other structures and function with the LCD 201 of first preferred embodiment, promptly no longer repeat at this.
Cooperate and consult Figure 18 and Figure 19, the assemble method of the module backlight 21 of above-mentioned second preferred embodiment comprises the following step:
Step 901 is put a 61 ' lateral margin that is arranged at reflector element 4 ' with first light source light.
Step 903 is provided with reflector element 4 ' on first plate body 311 ' and second plate body 321 '.Explanation as the step 902 of first preferred embodiment.
Step 905 is provided with light guide plate 51 ' on reflector element 4 '.
Step 907, with first plate body 311 ' and second plate body 321 ' with first accommodation space 313 ' towards second side portion structure 322 ' be connected, make a lateral margin of reflector element 4 ' be placed in first accommodation space 313 ', light guide plate 51 ' between first side portion structure 312 ' and second side portion structure 322 '.About the connected mode of first backboard 31 ' and second backboard 32 ', as the explanation of the step 906 of figure first preferred embodiment.
Step 909 is arranged at blooming 52 ' on the light guide plate 51 '.
In addition, consult Figure 20, first light supply apparatus 61 ' also can be light-emitting diode (LED) module, and light-emitting diode (LED) module has a light-emitting diode 63 ' and a circuit base 64 ', makes step 901 will be adjusted into step 901 ', and remaining step is identical.
Step 901 ', ccontaining first light supply apparatus 61 ' is in first accommodation space 313 '.What specify is, circuit base 64 ' is on the internal face of the first leg 312b ' that is connected in first side portion structure 312 ' by heat-conducting glue respectively, make light-emitting diode 63 ' will be possible to use first backboard 31 ' and reach better heat radiating effect, but because circuit base 64 ' is to be arranged at the first leg 312b ', so reflector element 4 ' is one plane, preferably, in step 903, in order to make reflector element 4 ' reach good reflecting effect, another undersized reflector element 4 ' can also be arranged on the interior sidewall surface of the first roof 312c '.
Additional disclosure be, consult Figure 21, LCD 202 of the present invention also can be recessed to form one first groove 316 in first plate body, the 311 ' end face of first backboard 31 ', and be recessed to form one second groove 326 in second plate body, the 321 ' end face of second backboard 32 ', first groove 316 is that contiguous first side portion structure 312 ' is provided with, and second groove 326 is the 322 ' settings of contiguous second side portion structure, having some electric wires or connecting line (figure does not show) by LCD 202 need be arranged in the module 21 ' backlight, described electric wire or connecting line can be arranged at first groove 316 and second groove 326, the object of receiver and so on then needn't be set again on module 21 ' backlight, to reach the function of saving space and cost, and make electric wire or connecting line avoid pullling and come off, certainly, the backboard unit 3 of LCD 201 also can use identical project organization.
In addition, consult Figure 22 and 23, first backboard 31 ' of LCD 202 of the present invention also comprises most the projections 330 that are arranged at first plate body, 311 ' bottom surface and contiguous first side portion structure 312 ', and second backboard 32 ' also comprise most the projections 330 that are arranged at second plate body, 321 ' bottom surface and contiguous second side portion structure 322 ', described projection 330 invests first plate body 311 ' and second plate body, 321 ' bottom surface for circuit control panel 24 and power supply device (figure does not show) screw lock are fixed, then needn't add support in addition and fix circuit control panel 24 and power supply device, thus, the structure of projection 330 is set, can saves the cost of LCD 202.In the present embodiment, the setting of projection 300 is to form by mold pressing first plate body 311 ' and second plate body 321 ', or forms in the mode that increases rivet, and the backboard unit 3 of LCD 201 also can use identical project organization.
In sum, LCD 201 of the present invention, 202, utilize backboard unit 3,3 ' design, at module 21 backlight, on 21 ' the structure by first side portion structure 312,321 ' and second side portion structure 322,322 ', and collocation reflector element 4,4 ' setting, compared to module backlight in the past, can save the setting of lampshade and reduce cost, at module 21 backlight, during 21 ' assembling, by earlier with first backboard 31,311 and second backboard 32, put 32 ' compartment of terrain, then be convenient to reflector element 4,4 ', light guide plate 51,51 ', first light supply apparatus 61,61 ' with the setting of secondary light source device 62, can save assembling module 21 backlight, 21 ' spent time is with artificial and reduce assembly cost, in addition, by first groove 316, the setting of second groove 326 and projection 330, also can reach the expenditure that reduces cost, so can reach purpose of the present invention really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (10)

1. a LCD comprises a liquid crystal panel; It is characterized in that: this LCD also comprises a module backlight that combines with this liquid crystal panel, and this module backlight comprises:
One backboard unit comprises;
One first backboard has first side portion structure that one first plate body and is connected in this first plate body lateral margin, and this first side portion structure defines one first accommodation space; And
One second backboard has second side portion structure that one second plate body and is connected in this second plate body lateral margin, and this first plate body can be connected towards this second side portion structure ground with this first accommodation space with this second plate body;
One reflector element is arranged on this first plate body and this second plate body and part stretches in this first accommodation space;
One light guide plate is arranged on this reflector element and between this first side portion structure and this second side portion structure; And
One first light supply apparatus is placed in this first accommodation space.
2. LCD as claimed in claim 1, it is characterized in that wherein said LCD also comprises a preceding frame, should before frame comprise the surrounding wall that a roof and that is the frame shape is down extended by this roof periphery, should borrow this surrounding wall frame to be located at this periphery, backboard unit by preceding frame, and this roof is suppressed on this liquid crystal panel, makes this liquid crystal panel be incorporated into this module backlight.
3. LCD as claimed in claim 2, it is characterized in that wherein said second side portion structure defines one second accommodation space, this module backlight also comprises a secondary light source device that is placed in this second accommodation space, and this reflector element partly stretches in this second accommodation space.
4. as claim 2 or 3 described LCD, it is characterized in that the wherein said second plate body local dent forms a depressed part, be connected with this second plate body that this depressed part is stretched in this first plate body part by this first plate body.
5. LCD as claimed in claim 4, it is characterized in that wherein said first backboard also has most and is located at this first plate body bottom surface and is positioned at first threaded hole with this second plate body lap, second backboard also has most second threaded holes that connect this second plate body and corresponding described first threaded hole, and this module backlight also comprises most in order to wear the screw of described first threaded hole and described second threaded hole.
6. as claim 2 or 3 described LCD, it is characterized in that it is respectively between between this first side portion structure and this first light supply apparatus that wherein said reflector element stretches into part in this first accommodation space and this second accommodation space, and between this second side portion structure and this secondary light source device.
7. LCD as claimed in claim 6, it is characterized in that wherein said first backboard also has the two the first side wall structures that are arranged at the opposite lateral margin of this first plate body and adjacent this first side portion structure respectively, this second backboard also has two second side wall constructions that are arranged at the opposite lateral margin of this second plate body and adjacent this second side portion structure respectively.
8. the assemble method of a backlight liquid crystal display module as claimed in claim 3 is characterized in that it comprises following steps:
Steps A: this reflector element is set on this first plate body and this second plate body;
Step B: this light guide plate is set on this reflector element;
Step C: this first plate body is connected with this second accommodation space with this first accommodation space opposite to each other with this second plate body, makes these reflector element two opposition side edge be placed in this first accommodation space and this second accommodation space, this light guide plate respectively between this first side portion structure and this second side portion structure; And
Step D: ccontaining respectively this first light supply apparatus and this secondary light source are installed on this first accommodation space and this second accommodation space.
9. assemble method as claimed in claim 8, it is characterized in that wherein said first light supply apparatus and this secondary light source device are fluorescent tube, this step D is before this steps A, earlier this first light source light is put the two opposition side edge that are arranged at this reflector element with this secondary light source device respectively, make when these reflector element two opposition side edge are placed in this first accommodation space and this second accommodation space respectively among this step C, this first light supply apparatus and this secondary light source device can be placed in this first accommodation space and this second accommodation space respectively.
10. assemble method as claimed in claim 8 or 9, it is characterized in that: in this steps A, be with this first backboard and this second backboard with this first accommodation space and this second accommodation space in opposite directions and this first plate body and this second plate body do not put in contact, in this step C, be this first plate body and this second plate body to be moved to opposite to each other overlap and screw lock is connected.
CN 200910179812 2009-10-12 2009-10-12 Liquid crystal display and assembling method of backlight module thereof Expired - Fee Related CN102043275B (en)

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CN102518984A (en) * 2011-11-23 2012-06-27 深圳市华星光电技术有限公司 Backlight module and liquid crystal display device
CN103017036A (en) * 2012-12-11 2013-04-03 京东方科技集团股份有限公司 Light-emitting device, backlight module and display device
CN103377588A (en) * 2012-04-26 2013-10-30 冠捷投资有限公司 Display device and assembling method thereof
CN103672602A (en) * 2013-12-03 2014-03-26 京东方科技集团股份有限公司 Backlight module, liquid crystal module and display device
WO2017084423A1 (en) * 2015-11-19 2017-05-26 合一智能科技(深圳)有限公司 Backlight module rear cover, backlight module, and display module
WO2019134198A1 (en) * 2018-01-04 2019-07-11 惠州市华星光电技术有限公司 Backplate, backlight module, and liquid crystal display device
CN110082962A (en) * 2019-05-30 2019-08-02 伟志光电(深圳)有限公司 A kind of side entrance back module that structure is lightening
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CN102518984A (en) * 2011-11-23 2012-06-27 深圳市华星光电技术有限公司 Backlight module and liquid crystal display device
CN103377588A (en) * 2012-04-26 2013-10-30 冠捷投资有限公司 Display device and assembling method thereof
CN103017036A (en) * 2012-12-11 2013-04-03 京东方科技集团股份有限公司 Light-emitting device, backlight module and display device
CN103017036B (en) * 2012-12-11 2015-12-23 京东方科技集团股份有限公司 A kind of light-emitting device, backlight module and display device
US9400348B2 (en) 2012-12-11 2016-07-26 Boe Technology Group Co., Ltd. Display backlight unit having reflecting structure for reducing hotspots
CN103672602A (en) * 2013-12-03 2014-03-26 京东方科技集团股份有限公司 Backlight module, liquid crystal module and display device
CN103672602B (en) * 2013-12-03 2016-03-23 京东方科技集团股份有限公司 A kind of backlight module, liquid crystal module and display device
WO2017084423A1 (en) * 2015-11-19 2017-05-26 合一智能科技(深圳)有限公司 Backlight module rear cover, backlight module, and display module
WO2019134198A1 (en) * 2018-01-04 2019-07-11 惠州市华星光电技术有限公司 Backplate, backlight module, and liquid crystal display device
CN110706583A (en) * 2018-07-09 2020-01-17 中强光电股份有限公司 Backlight module and display device
CN110082962A (en) * 2019-05-30 2019-08-02 伟志光电(深圳)有限公司 A kind of side entrance back module that structure is lightening

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