Display device and assemble method thereof
Technical field
The present invention relates to a kind of display device and assemble method thereof, and particularly relate to a kind of frivolous display device and assemble method thereof.
Background technology
Along with human civilization advance, display device becomes product indispensable in the daily life already.Wherein, flat display apparatus has been widely used on the various products with its frivolous volume, lower advantages such as power consumption, has replaced the conventional cathode ray tube display device in recent years more.
Fig. 1 is the exploded view of available liquid crystal display device.Please refer to Fig. 1, available liquid crystal display device 100 can be divided into roughly that frame 110 before the outward appearance, the outward appearance back of the body covers 120, Liquid Crystal Module 130 and base 140.Fig. 2 is the exploded view of Liquid Crystal Module of the liquid crystal indicator of Fig. 1.Please refer to Fig. 2, Liquid Crystal Module 130 is by frame 132, liquid crystal panel 134 and backlight module 136 before can roughly being divided into.Fig. 3 is the partial sectional view of the liquid crystal indicator of Fig. 1.Can find by Fig. 3; the outward appearance back of the body cover 120 and the backboard 136a of backlight module 136 repeated to provide the function of protecting backlight module 136; before the outward appearance frame 110 and before frame 132 repeated to provide the function of protection liquid crystal panel 1 34, and the glue frame 136b of frame 110, preceding frame 132 and backlight module 1 36 also repeats to provide light guide plate 136c with liquid crystal panel 134 and backlight module 136 to be fixed to function on the backboard 136a before the outward appearance.The element that these functions repeat not only increases the overall weight and the volume of liquid crystal indicator 100, has more increased the material and the assembly cost of liquid crystal indicator 100.Wherein, adopt the glue frame 136b of plastic material injection molded to expend many costs especially in the making of mould.
Summary of the invention
The object of the present invention is to provide a kind of display device, can solve the too much preponderance that causes of element, volume is excessive and cost is too high problem.
A further object of the present invention is to provide a kind of assemble method of display device, can solve unit and be assembled into this too high problem.
Display device of the present invention comprises Yi Beigai, a preceding frame, a display panel, a light guide plate, at least one first metal frame and a light-emitting component.Preceding frame is fixed to back of the body lid and forms an accommodation space jointly.Display panel configurations is in accommodation space.Light guide plate is disposed at accommodation space and is carrying on the back between lid and the display panel.Light guide plate has a mutually perpendicular in fact at least one incidence surface and an exiting surface, and exiting surface is towards display panel.First metal frame is disposed at the periphery and the contiguous light guide plate of accommodation space.First metal frame have interconnected one first one with one second one, and first one be fixed to back of the body lid and preceding frame at least one of them.Light-emitting component is disposed between second one and the incidence surface.
In an embodiment of display device of the present invention, first metal frame has more one the 3rd one.The 3rd one connects second one and between display panel and light guide plate.In addition, display device for example more comprises a plurality of bolsters, is disposed between the 3rd one and the display panel and between display panel and the preceding frame.In addition, the 3rd one with preceding frame for example have a storage tank respectively, bolster partly is positioned at storage tank.Moreover display device for example more comprises at least one blooming piece, is disposed between display panel and the light guide plate.The 3rd one is positioned between display panel and the blooming piece and has a projection, projection restriction blooming piece moving on light guide plate.
In an embodiment of display device of the present invention, display device more comprises at least one blooming piece, is disposed between display panel and the light guide plate.
In an embodiment of display device of the present invention, first metal frame has more one the 3rd one, and the 3rd one connects second one and between back of the body lid and light guide plate.
In an embodiment of display device of the present invention, display device more comprises a reflector plate, is disposed between light guide plate and the back of the body lid.
In an embodiment of display device of the present invention, light-emitting component comprises a circuit board and a plurality of light emitting diode.Circuit board arrangement is in second one.Light emitting diode is disposed on the circuit board and with circuit board and is electrically connected, and between circuit board and incidence surface.
In an embodiment of display device of the present invention, display device more comprises a bolster, is disposed between display panel and the light guide plate.
In an embodiment of display device of the present invention, display device more comprises an one drive circuit plate and a flexible PCB.Drive circuit board is fixed to preceding frame, and drive circuit board is electrically connected display panel via flexible PCB.
In an embodiment of display device of the present invention, back of the body lid has an opening, and second one of first metal frame is passed opening.
In an embodiment of display device of the present invention, display device more comprises a heating radiator, and second one of first metal frame passes opening and connect heating radiator.
In an embodiment of display device of the present invention, display device more comprises a plurality of second metal frame, is disposed at all the other peripheries that accommodation space does not dispose first metal frame, and be fixed to back of the body lid and preceding frame at least one of them.In addition, second metal frame for example is the aluminium extruded type metal frame.
In an embodiment of display device of the present invention, first metal frame is the aluminium extruded type metal frame.
The assemble method of display device of the present invention comprises the following steps.Dispose a light-emitting component in a metal frame.Metal frame, a light guide plate and the display panel that configuration has a light-emitting component a back of the body cover and one before between the frame.In conjunction with metal frame, preceding frame and back of the body lid.Light guide plate is between back of the body lid and display panel.Light guide plate has a mutually perpendicular in fact at least one incidence surface and an exiting surface.Light-emitting component is between metal frame and incidence surface.Exiting surface is towards display panel.
In an embodiment of the assemble method of display device of the present invention, after the back of the body covers, dispose display panel on light guide plate in the configuration light guide plate, and after the back of the body covers, combine preceding frame to back of the body lid with metal frame with light-emitting component at configuration light guide plate, display panel.In addition, metal frame can have interconnected one first one, one second one and one the 3rd one.Light-emitting component is disposed at second one.First one be fixed to back of the body lid and preceding frame at least one of them.After the back of the body covers, dispose metal frame in the configuration light guide plate and cover at the back of the body with light-emitting component, and the 3rd edge that covers light guide plate.The metal frame that has light-emitting component in configuration disposes display panel on the 3rd one after the back of the body covers.After the configuration display panel is on the 3rd one, cover in conjunction with preceding frame to the back of the body.
In an embodiment of the assemble method of display device of the present invention, dispose light guide plate on display panel after on configuration display panel former frame, and after the back of the body covers, combine back of the body lid to preceding frame with metal frame with light-emitting component at configuration light guide plate, display panel.In addition, metal frame can have interconnected one first one, one second one and one the 3rd one.Light-emitting component is disposed at second one.First one be fixed to back of the body lid and preceding frame at least one of them.Dispose after on configuration display panel former frame and have on the metal frame former frame of light-emitting component, and the edge of the 3rd covering display panel.After having on the metal frame former frame of light-emitting component, configuration disposes light guide plate on the 3rd one.After the configuration light guide plate is on the 3rd one, cover to preceding frame in conjunction with the back of the body.
Based on above-mentioned, in display device of the present invention and assemble method thereof, because significantly reduced the quantity of element, thus can reduce weight, volume and the cost of display device, and simplify the number of assembling steps of display device.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended accompanying drawing to be described in detail below.
Description of drawings
Fig. 1 is the exploded view of available liquid crystal display device;
Fig. 2 is the exploded view of Liquid Crystal Module of the liquid crystal indicator of Fig. 1;
Fig. 3 is the partial sectional view of the liquid crystal indicator of Fig. 1;
Fig. 4 is the exploded view of the display device of one embodiment of the invention;
Fig. 5 is the partial sectional view of the display device of Fig. 4;
Fig. 6 is the partial sectional view of the display device of another embodiment of the present invention;
Fig. 7 is the three-dimensional cutaway view of the display device of Fig. 6;
Fig. 8 is the front elevation of the display device of Fig. 6;
Fig. 9 is the partial sectional view of the display device of Fig. 6 at the second metal frame place;
Figure 10 is the partial sectional view of the display device of yet another embodiment of the invention;
Figure 11 is the partial sectional view of the display device of further embodiment of this invention.
The main element symbol description
100: liquid crystal indicator
110: frame before the outward appearance
120: outward appearance back of the body lid
130: Liquid Crystal Module
132: preceding frame
134: liquid crystal panel
136: backlight module
136a: backboard
136b: glue frame
136c: light guide plate
140: base
1000,2000,3000,4000: display device
1100,2100,3100,4100: back of the body lid
1110: ribs
1200,2200: preceding frame
1210,1532: storage tank
1300,2300,3300: display panel
1400,2400,3400: light guide plate
1402: incidence surface
1404: exiting surface
1406: the bottom surface
1500,2500,3500,4500: the first metal frame
1510,2510: the first ones
1520,4520: the second ones
1530,3530: the three ones
1534: projection
1600,2600,4600: light-emitting component
1610: circuit board
1620: light emitting diode
1700,3010: bolster
1800: blooming piece
1900: reflector plate
2202: projection
2010: drive circuit board
2020: flexible PCB
2030: chip for driving
2040: the second metal frame
4010: heating radiator
4120: opening
S10, S20, S30: accommodation space
Embodiment
Fig. 4 is the exploded view of the display device of one embodiment of the invention, and Fig. 5 is the partial sectional view of the display device of Fig. 4.Please refer to Fig. 4 and Fig. 5, the display device 1000 of present embodiment comprises that a back of the body covers 1100, one preceding frame 1200 (omitting this element among Fig. 4), a display panel 1300, a light guide plate 1400, at least one first metal frame 1500 and a light-emitting component 1600.Before frame 1200 be fixed to the back of the body and cover 1100 and form an accommodation space S10 jointly.Display panel 1300 is disposed at accommodation space S10.Light guide plate 1400 be disposed at accommodation space S10 and the back of the body cover 1100 and display panel 1300 between.That is be that display panel 1300 mainly is to cover 1100 common clampings and fixing by the preceding frame 1200 and the back of the body with light guide plate 1400.
Light guide plate 1400 has mutually perpendicular in fact at least one incidence surface 1402 and an exiting surface 1404, and exiting surface 1404 is towards display panel 1300.The light guide plate 1400 of present embodiment is to be example with single incidence surface 1402, but the quantity of incidence surface 1402 can certainly be two or more.First metal frame 1500 is disposed at periphery and the contiguous light guide plate 1400 of accommodation space S10.First metal frame 1500 has interconnected one first one 1510 and 1 second one 1520, and first one 1510 be fixed to the back of the body cover 1100 and preceding frame 1200 at least one of them.Light-emitting component 1600 is disposed between second one 1520 and the incidence surface 1402.When the quantity of incidence surface 1402 increased, the quantity that is used for fixing first metal frame 1500 of light-emitting component 1600 certainly increased thereupon.
Can find that by foregoing the display device 1000 of present embodiment is covered 1100 with the back of the body partial function of the backboard of outward appearance back of the body lid of the prior art and backlight module is provided simultaneously, that is protection light guide plate 1400 is provided and supports whole display device 1000.Simultaneously, former frame 1200 provides the partial function of the preceding frame of the preceding frame of outward appearance of the prior art, glue frame and Liquid Crystal Module simultaneously, and also soon display panel 1300 is fixed to the back of the body with light guide plate 1400 and covers 1100.Thus, the volume and the weight of the display device 1000 of present embodiment all can significantly reduce, and material and assembly cost also can decline to a great extent.In addition, first metal frame 1500 that is used for fixing light-emitting component 1600 not only can help light-emitting component 1600 to dispel the heat, and has also strengthened the structural rigidity of display device 1000.
First metal frame 1500 of present embodiment is to be example with the aluminium extruded type metal frame.The aluminium extruded manufacturing technology need not use as complicated die required in the injection molded technology, do not have complicated mould assembling, mould contraposition and demoulding process, so the manufacture craft cost is far below the existing glue frame that adopts the injection molded fabrication techniques yet.Advantages such as first metal frame 1500 of aluminium matter more has light weight concurrently, rigidity is good with thermal conduction rate is fast.First metal frame 1500 can only be fixed to the back of the body cover 1100, only be fixed to before frame 1200 or be fixed to the back of the body simultaneously and cover 1100 and preceding frame 1200.When first metal frame 1500 needs to form screw hole or other structures that can't form in the aluminium extruded manufacture craft, only need utilize simple punching or other process technologies just can finish.In addition, first one 1510 of first metal frame 1500 of present embodiment be be positioned at the back of the body cover 1100 with the centre of preceding frame 1200 be example, but first one 1510 also can be to cover 1100 or preceding frame 1200 near carrying on the back.
First metal frame 1500 of present embodiment has more one the 3rd one 1530.Connect second one 1520 for the 3rd one 1530 and between display panel 1300 and light guide plate 1400.Therefore, the 3rd one 1530 can also can cover 1100 common clamping and lightguide plate fixings 1400 with the back of the body with preceding frame 1200 common clampings and 1300, the three ones 1530 of fixed display panel.In addition, because the 3rd one 1530 between display panel 1300 and light guide plate 1400,, see near light-emitting component 1600 abnormal high-brightness regions to avoid the user so also can be used for covering light-emitting component 1600 for the 3rd one 1530.It should be noted that first metal frame 1500 can not have the 3rd one 1530 yet.In addition, the 3rd one 1530 function also can by another independently element provide, this part will be introduced in other embodiments.
In addition, the display device 1000 of present embodiment more comprises a plurality of bolsters 1700, is disposed between the 3rd one 1530 and the display panel 1300 and between display panel 1300 and the preceding frame 1200.Bolster 1700 can be used for avoiding display panel 1300 to be subjected to the 3rd one 1530 or the wearing and tearing of preceding frame 1200 of first metal frame 1500.The material of bolster 1700 for example is rubber, foam or other buffering materials.In addition, the 3rd one 1530 of present embodiment has a storage tank 1532, and preceding frame 1200 has a storage tank 1210.Two bolsters 1700 partly are positioned at storage tank 1532 and storage tank 1210 respectively, and part protrudes in outside storage tank 1532 and the storage tank 1210.Storage tank 1532 and storage tank 1210 can provide two bolsters 1700 suitable locating effect, are subjected to displacement to avoid two bolsters 1700.
Moreover the display device 1000 of present embodiment more comprises at least one blooming piece 1800, is disposed between display panel 1300 and the light guide plate 1400.The quantity of the blooming piece 1800 of present embodiment is to be example with a plurality of, but non-in order to limit the present invention.In addition, blooming piece 1800 is variant usually with the thermal expansivity of light guide plate 1400.In order to provide blooming piece 1800 and light guide plate 1400 suitable locating effect respectively, between display panel 1300 and blooming piece 1800 the 3rd one 1530 of present embodiment has a projection 1534, projection 1534 restriction blooming pieces 1800 moving on light guide plate 1400.
The display device 1000 of present embodiment more comprises a reflector plate 1900, is disposed at light guide plate 1400 and carries on the back to cover between 1100, in order to increase the light utilization efficiency of display device 1000.Yet, form a layer of reflective material in the bottom surface 1406 of light guide plate 1400, or covering 1100 at the back of the body forms a layer of reflective material on the surface of light guide plate 1400, also can reach the purpose of the light utilization efficiency that increases display device 1000.In addition, the back of the body covers the ribs 1110 that can form netted or other patterns on 1100, can strengthen to carry on the back to cover 1100 structural rigidity and reduce light guide plate 1400 to cover 1100 contact area with the back of the body.The light-emitting component 1600 of present embodiment comprises a circuit board 1610 and a plurality of light emitting diode 1620 (a rarely seen light emitting diode 1620 among Fig. 5).Circuit board 1610 is disposed at second one 1520.Light emitting diode 1620 is disposed on the circuit board 1610 and with circuit board 1610 and is electrically connected, and between circuit board 1610 and incidence surface 1402.Yet the light-emitting component 1600 of present embodiment also can be cathode fluorescent tube or other light-emitting components.The display panel 1300 of present embodiment can be liquid crystal panel or other display panels.
The assemble method of the display device of one embodiment of the invention then is described with reference to figure 5.The assemble method of the display device of present embodiment is that configuration light-emitting component 1600 is in first metal frame 1500.Then, first metal frame 1500, light guide plate 1400 and the display panel 1300 of configuration with light-emitting component 1600 carry on the back cover 1100 and preceding frame 1200 between.Then, cover 1100 with the back of the body, promptly finish the assemble method of the display device of present embodiment in conjunction with first metal frame 1500, preceding frame 1200.1100 the mode covered in conjunction with first metal frame 1500, preceding frame 1200 and the back of the body can be screw locking, gummed, riveted joint, snap engagement or other suitable combinations.First metal frame 1500 can be bonded to preceding frame 1200 earlier, will carry on the back again cover 1100 be bonded to before frame 1200.Perhaps, first metal frame 1500 can be bonded to the back of the body earlier and cover 1100, more preceding frame 1200 is bonded to the back of the body and covers 1100.Or, can cover 1100 in conjunction with first metal frame 1500, preceding frame 1200 with the back of the body simultaneously.
For example, can dispose light guide plate 1400 earlier and cover on 1100, dispose display panel 1300 again on light guide plate 1400 at the back of the body.And, after the back of the body covers on 1100, cover 1100 in conjunction with preceding frame 1200 to the back of the body again at configuration light guide plate 1400, display panel 1300, first metal frame 1500 and light-emitting component 1600.When first metal frame 1500 had interconnected first one 1510, second ones 1520 and the 3rd ones 1530, light-emitting component 1600 was to be disposed at second one 1520 earlier.Then, configuration light guide plate 1400 is covered on 1100 at the back of the body.Afterwards, dispose first metal frame 1500 and cover on 1100 at the back of the body, and the 3rd one 1530 edge that covers light guide plate 1400.Then, configuration display panel 1300 is on the 3rd one 1530.At last, cover 1100, and first one 1510 of first metal frame 1500 is fixed to carry on the back to cover 1100 and/or preceding frame 1200 in conjunction with preceding frame 1200 to the back of the body.When assembling display device 1000 in this way, be to put other elements in regular turn after being put in back of the body lid 1100 on the worktable to cover on 1100, and do not need in the assembling process element turn-over is reached the purpose of unidirectional assembling at the back of the body.Therefore, not only number of assembling steps has been simplified on certain degree ground, has also significantly reduced the difficulty of assembling.Particularly, for large-sized display device, to be not only difficulty but also the thing that consumes man-hour of part with the element turn-over at assembling process.
In another embodiment, be that configuration display panel 1300 disposes light guide plate 1400 on display panel 1300 again on preceding frame 1200 earlier.And, after the back of the body covers on 1100, cover 1100 to preceding frame 1200 in conjunction with the back of the body again at configuration light guide plate 1400, display panel 1300, first metal frame 1500 and light-emitting component 1600.When first metal frame 1500 had interconnected first one 1510, second ones 1520 and the 3rd ones 1530, light-emitting component 1600 was to be disposed at second one 1520 earlier.Then, on configuration display panel 1300 former frames 1200.Afterwards, dispose on first metal frame, 1500 former frames 1200, and the 3rd one 1530 edge that covers display panel 1300.Then, configuration light guide plate 1400 is on the 3rd one 1530.At last, cover 1100 to preceding frame 1200, and first one 1510 of first metal frame 1500 is fixed to carry on the back to cover 1100 and/or preceding frame 1200 in conjunction with the back of the body.This assemble method is to put in regular turn on other element former frames 1200 after being put in preceding frame 1200 on the worktable, and does not need equally in the assembling process element turn-over also can be reached the purpose of unidirectional assembling.
Fig. 6 is the partial sectional view of the display device of another embodiment of the present invention, and Fig. 7 is the three-dimensional cutaway view of the display device of Fig. 6.Please refer to Fig. 6 and Fig. 7, the display device 2000 of present embodiment is similar to the display device 1000 of Fig. 5, only introduces its difference place at this.The display device 2000 of present embodiment more comprises an one drive circuit plate 2010 and a flexible PCB 2020.Drive circuit board 2010 is fixed to preceding frame 2200, and drive circuit board 2010 is electrically connected display panel 2300 via flexible PCB 2020.Also configurable on the flexible PCB 2020 have a chip for driving 2030.Drive circuit board 2010 for example is a projection 2202 of frame 2200 before securing to.First metal frame 2500 of present embodiment is similar to first metal frame 1500 of Fig. 5, and difference is that mainly first one 2510 of first metal frame 2500 is to cover 2100 near the back of the body.
Fig. 8 is the front elevation of the display device of Fig. 6, and Fig. 9 is the partial sectional view of the display device of Fig. 6 at the second metal frame place.For convenience of description, all omitted the back of the body lid 2100 of Fig. 6 among Fig. 7, Fig. 8 and Fig. 9.Please refer to Fig. 6, Fig. 8 and Fig. 9, the display device 2000 of present embodiment more comprises a plurality of second metal frame 2040, is disposed at all the other peripheries that accommodation space S20 does not dispose first metal frame 2500, and is fixed to the back of the body and covers 2100 and/or preceding frame 2200.Second metal frame 2040 and first metal frame 2500 can be strengthened structural rigidity and the separating liquid crystal panel 2300 and light guide plate 2400 of display device 2000 equally, but second metal frame 2040 is not used for fixing light-emitting component 2600.Second metal frame 2040 and first metal frame 2500 can be the aluminium extruded type metal frame equally, have that the manufacture craft cost is low, a light weight, advantage such as rigidity is good with thermal conduction rate is fast.
Figure 10 is the partial sectional view of the display device of yet another embodiment of the invention.Please refer to Figure 10, the display device 3000 of present embodiment is similar to the display device 1000 of Fig. 5, only introduces its difference place at this.The display device 3000 of present embodiment more comprises a bolster 3010, is disposed between display panel 3300 and the light guide plate 3400.The 3rd one 1530 of first metal frame 1500 of the function of bolster 3010 and Fig. 5 is identical, the 3rd one 3530 of first metal frame 3500 of present embodiment then the back of the body cover 3100 and light guide plate 3400 between.The 3rd one 3530 function of first metal frame 3500 provides bigger area of dissipation, to promote the radiating efficiency of display device 3000.The material of bolster 3010 for example is rubber, foam or other buffering materials.
Figure 11 is the partial sectional view of the display device of further embodiment of this invention.Please refer to Figure 11, the display device 4000 of present embodiment is similar to the display device 1000 of Fig. 5, only introduces its difference place at this.The display device 4000 of present embodiment more comprises a heating radiator 4010.The back of the body cover that 4,100 second one 4520 with an opening 4120, the first metal frame 4500 pass opening 4120 and connection heating radiator 4010.In other words, heating radiator 4010 be positioned at the back of the body cover 4100 and the accommodation space S30 that constituted of preceding frame 4200 outside.Because heating radiator 4010 is to be exposed to the external world, so the heat that light-emitting component 4600 produced can be passed to heating radiator 4010 and dissipation fast via first metal frame 4500.The heating radiator 4010 of present embodiment is to secure to second one 4520 of first metal frame 4500, but both also can adopt other mode combinations.The purpose that second one 4520 of first metal frame 4500 passes opening 4120 is will be with the heat conduction of display device inside to outside display.Though present embodiment be in conjunction with a heating radiator 4010 on second one 4520 of first metal frame 4500, but just can reach desirable radiating effect if only second one 4520 of first metal frame 4500 passed opening 4120, be can not need in conjunction with a heating radiator second one 4520 in first metal frame 4500 again.
In sum, in display device of the present invention, the quantity of element significantly reduces, so reduced the integral thickness and the weight of display device dramatically, and reduced material and manufacture craft cost, therefore can meet the user must frivolous and cheap requirement for display device.In addition, metal frame not only strengthens radiating effect, and also the structural rigidity with display device maintains good degree.In the assembling mode of display device of the present invention, because number of elements reduces, so can reduce the assembling difficulty and reduce man-hours requirement.In addition, the assembling mode of display device of the present invention can also be unidirectional assembling, further shortens the manufacture craft time.
Though disclosed the present invention in conjunction with above embodiment; yet it is not in order to limit the present invention; be familiar with this operator in the technical field under any; without departing from the spirit and scope of the present invention; can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.