CN101271220A - Directly-down back light module unit, LCD device and light tube assembling method - Google Patents
Directly-down back light module unit, LCD device and light tube assembling method Download PDFInfo
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- CN101271220A CN101271220A CNA2007100897515A CN200710089751A CN101271220A CN 101271220 A CN101271220 A CN 101271220A CN A2007100897515 A CNA2007100897515 A CN A2007100897515A CN 200710089751 A CN200710089751 A CN 200710089751A CN 101271220 A CN101271220 A CN 101271220A
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Abstract
The invention discloses a downright type backlight module which comprises a light box, a plurality of lighting tube fasteners, a plurality of lighting tubes and a diffuser plate. The light box is provided with a soleplate which is opposite to an opening. The soleplate is provided with a plurality of positioning designs, and each positioning design comprises an axle hole and at least one block slot. The lighting tube fasteners are corresponding to the positioning designs and are arranged at the soleplate. Each lighting tube fastener comprises a pivot part, at least one rotary arm, at least one clamp part and at least one positioning part. The lighting tube fasteners can be inserted into the axle hole by the pivot part and can rotate towards the soleplate, so as to ensure that the positioning part enters the block slot to achieve the interference with the block slot. The lighting tubes are arranged inside the light box and are fixed at the clamp part of the lighting tube fasteners, and the diffuser plate is arranged at the opening of the light box. The invention also provides a lighting tube assembling method and a liquid crystal display device which utilizes the downright type backlight module.
Description
Technical field
The invention relates to a kind of light source module and display device, and particularly relevant for a kind of down straight aphototropism mode set (Direct Type Backlight Module) and liquid crystal indicator and the light tube assembling method of using this down straight aphototropism mode set.
Background technology
LCD can roughly be divided into three kinds of reflective liquid-crystal display (Reflective LCD), penetrating LCD (Transmissive LCD) and semi-penetrated semi-reflected liquid crystal displays according to the kenel of utilizing of its light source.Wherein, the penetration or the LCD of semi-penetration, semi-reflective are made of a liquid crystal panel and a module backlight.Liquid crystal panel is made of two transparency carriers and the liquid crystal layer that is disposed between this two transparency carrier, and module backlight then is in order to provide this liquid crystal panel required light source, so that LCD reaches the effect of demonstration.In general, module backlight can be divided into two kinds of straight-down negative and side incident types (Side IncidentType), wherein down straight aphototropism mode set is generally used in the LCD of large-size, and side incident type module backlight is generally used in the LCD of reduced size.
The light source of module backlight adopts cold cathode fluorescent lamp pipe (Cold CathodeFluorescence Lamp usually, CCFL), yet because the cold cathode fluorescent lamp pipe volume is bigger, and fluorescent tube is frangible material, add under the development that liquid crystal indicator maximizes day by day, it is long that fluorescent tube length reaches 500～800mm easily, and therefore providing good fixed effect to fluorescent tube is epochmaking problem on the manufacturing backlight module.
Fig. 1 illustrates the partial schematic diagram into existing a kind of down straight aphototropism mode set.Please refer to Fig. 1, lamp tube fixing piece 130 is fixed in fluorescent tube 110 on the base plate 120, and lamp tube fixing piece 130 itself is directly to be adhered fixed on base plate 120 via double faced adhesive tape.It should be noted that because lamp tube fixing piece 130 is to fit with double faced adhesive tape and base plate 120, therefore when personnel assemble the generation error, will be difficult for re-assemblying.In addition, the high temperature that produces owing to fluorescent tube 110 makes colloid produce the phenomenon that viscosity reduces easily, so after using for a long time, may cause between lamp tube fixing piece 130 and the fluorescent tube 110 to get loose, and influences the fiduciary level of product.
Fig. 2 illustrates the partial schematic diagram into existing another kind of down straight aphototropism mode set.Please refer to Fig. 2, lamp tube fixing piece 230 has rotating part 240 and pothook 250, and the corresponding hole 222 and the hole 224 that can match that be provided with on the base plate 220.During assembling, earlier the rotating part 240 of lamp tube fixing piece 230 is passed the hole 222 of base plate 220, and base plate 220 revolves and turn 90 degrees relatively, afterwards again with on the corresponding hole 224 that inserts base plates 220 of pothook 250, with pothook 250 clips in the dorsal part of base plate 220.Yet this fixed form needs splendid assembly precision, otherwise cause easily left and right sides pothook 250 because of and the hole 224 of base plate 220 cooperate not good coming off.In addition, when disassembling, need untie restraining of pothook 250, be unfavorable for the application of large-sized module backlight from the back side of base plate 220.
Above-mentioned fluorescent tube fixed form all has its shortcoming that is difficult to overcome, and therefore in the existing module package technique backlight, still needs high-reliability and easy-to-mount fluorescent tube fixed form badly.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the purpose of this invention is to provide a kind of down straight aphototropism mode set, this down straight aphototropism mode set can provide good fixed effect to fluorescent tube.
Another object of the present invention provides a kind of liquid crystal indicator, can use the product demand that above-mentioned module backlight reaches high-reliability.
A further object of the present invention provides fast a kind of and light tube assembling method easily, so that fluorescent tube firmly is fixed in the lamp box.
For reaching above-mentioned purpose, the present invention proposes a kind of down straight aphototropism mode set, and it has comprised a lamp box, a plurality of lamp tube fixing piece and many tubes.Wherein, lamp box has a relative opening and a base plate, and base plate has a plurality of location pattern, and each location pattern comprises an axis hole and at least one draw-in groove.A plurality of lamp tube fixing piece correspondences are located patterns and are disposed at base plate, and each lamp tube fixing piece comprises a pivot part, at least one spiral arm, at least one clamping part and at least one location division.Pivot part is inserted in the axis hole, and spiral arm connects pivot part, and to be suitable for the pivot part be fulcrum and rotating with respect to base plate.Clamping part is disposed at the side of spiral arm back to base plate, and the location division then is disposed at spiral arm and enters in the draw-in groove being suitable in the face of a side of base plate, and reaches interference by the drive of spiral arm with draw-in groove.In addition, fluorescent tube is disposed in the lamp box, and is fixed on the clamping part of lamp tube fixing piece.
For reaching above-mentioned purpose, the present invention also proposes a kind of liquid crystal indicator, and it comprises an above-mentioned down straight aphototropism mode set and a liquid crystal panel, and wherein, liquid crystal panel is disposed at the fluorescent tube top of down straight aphototropism mode set.
In addition, the present invention also proposes to be applied to above-mentioned module backlight and a kind of light tube assembling method of liquid crystal indicator.The location pattern on the above-mentioned lamp box and the design of lamp tube fixing piece can firmly be disposed at fluorescent tube in the lamp box.At first, provide one lamp tube fixing piece to be located pattern corresponding to one of them, and the pivot part of lamp tube fixing piece is inserted in the axis hole of location pattern as above-mentioned lamp tube fixing piece.Then, with the pivot part fulcrum and with lamp tube fixing piece with respect to base plate rotation, so that the location division enters in the draw-in groove by the drive of spiral arm, and reach interference with draw-in groove.Then, repeat above-mentioned steps at least once, with at least one lamp tube fixing piece of configuration on other location pattern.Afterwards, at least one fluorescent tube is fixed on the clamping part of these lamp tube fixing piece.In one embodiment of this invention, each above-mentioned location division comprises a necking section and a blocking part, and the external form of blocking part is greater than the necking section, and the necking section is connected between spiral arm and the blocking part.
Above-mentioned each draw-in groove has an inlet end, a passage and an end, and the external form of inlet end can be passed through for blocking part at least, and the width of passage and end is between blocking part and necking section.After blocking part passed through inlet end, the necking section can arrive the end of draw-in groove via passage, makes blocking part and draw-in groove reach interference.
Above-mentioned base plate has at least one first snap-in structure in the periphery of the end of each draw-in groove, and each blocking part has at least one second snap-in structure corresponding to first snap-in structure in the face of a side of base plate.When the necking section arrived draw-in groove terminal, first snap-in structure can engage mutually with second snap-in structure.
Above-mentioned first snap-in structure and second snap-in structure are the combination of depression with projection.
Above-mentioned down straight aphototropism mode set and liquid crystal indicator also comprise at least one diffuser plate, are disposed at the opening part of lamp box.
Above-mentioned down straight aphototropism mode set and liquid crystal indicator also comprise at least one blooming piece, are disposed on the diffuser plate.
The above-mentioned down straight aphototropism mode set and the lamp tube fixing piece of liquid crystal indicator also comprise a support portion away from a side of base plate, in order to the breasting diffuser plate.
The support zone of above-mentioned down straight aphototropism mode set and liquid crystal indicator is in the dorsal part of pivot part.
The lamp tube fixing piece of above-mentioned down straight aphototropism mode set and liquid crystal indicator is made by transparent material.
The structure that the lamp tube fixing piece of above-mentioned down straight aphototropism mode set and liquid crystal indicator is formed in one.
The present invention is directed to lamp tube fixing piece and the lamp box base plate designs, make lamp tube fixing piece just can be fixed on securely on the base plate of lamp box by simple insertion and spinning movement.Thus, the assembling of the fluorescent tube in the down straight aphototropism mode set will be helped, and the fiduciary level of producing yield and product can be further promoted.
Description of drawings
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Fig. 1 illustrates the partial schematic diagram into existing a kind of down straight aphototropism mode set.
Fig. 2 illustrates the partial schematic diagram into existing another kind of down straight aphototropism mode set.
Fig. 3 illustrates the diagrammatic cross-section into a kind of down straight aphototropism mode set of the present invention.
Fig. 4 A and Fig. 4 B are respectively the front elevation and the rear view of the module backlight of Fig. 3.
Fig. 5 illustrates the partial enlarged drawing into the location pattern on lamp tube fixing piece and the base plate, and wherein: a is the upward view of lamp tube fixing piece; B is the front view of lamp tube fixing piece; C is the partial enlarged drawing of the location pattern on the base plate.
Fig. 6 illustrates the synoptic diagram into lamp tube fixing piece of another embodiment of the present invention and location pattern, and wherein: a is the front view of lamp tube fixing piece; B is the upward view of lamp tube fixing piece; C is the partial enlarged drawing of the location pattern on the base plate.
Fig. 7 illustrates the partial schematic diagram into another kind of lamp tube fixing piece of the present invention.
Fig. 8 illustrates the partial schematic diagram into another lamp tube fixing piece of the present invention.
Fig. 9 is the diagrammatic cross-section according to a kind of LCD of preferred embodiment of the present invention.
The main element symbol description is as follows among the figure;
110,320: fluorescent tube
120,220,360,606: base plate
130,230,600: lamp tube fixing piece
222,224: hole
240: rotating part
250: pothook
300: down straight aphototropism mode set
310: lamp box
330,930: diffuser plate
340: blooming piece
350: opening
400,600: lamp tube fixing piece
410,610: pivot part
420,620: spiral arm
430,630: clamping part
440,640,740,840: the location division
442,642,742,842: the necking section
446,646,746,846: blocking part
450,650: the second snap-in structures
460,660: the support portion
470,670: the location pattern
472,672: axis hole
480,680: draw-in groove
482,682: inlet end
484,684: passage
486,686: end
490,690: the first snap-in structures
900: liquid crystal indicator
910: liquid crystal panel
920: module backlight
Embodiment
Below will be with the structure of down straight aphototropism mode set, and be example with the installation process of fluorescent tube, correlation technique emphasis of the present invention is described.
Fig. 3 illustrates the diagrammatic cross-section into a kind of down straight aphototropism mode set of the present invention.Please refer to Fig. 3, the down straight aphototropism mode set 300 of present embodiment comprises members such as a lamp box 310 and a plurality of fluorescent tube 320.Lamp box 310 has a relative opening 350 and a base plate 360, and fluorescent tube 320 is disposed in the lamp box 310.Opening 350 places of lamp box 310 can optionally dispose a diffuser plate 330, its role is to improve the distribution of the area source that fluorescent tube 320 provided, and make bright dipping comparatively even.In addition, also configurable blooming piece 340 on the diffuser plate 330, generally speaking, blooming piece 340 can comprise prismatic lens, diffusion sheet and screening glass etc., with further optimization light effect.
Please be simultaneously with reference to Fig. 4 A and Fig. 4 B, it is the front elevation and the rear view of the module backlight 300 of Fig. 3, wherein for the clear assembling mode of fluorescent tube 320 in lamp box 310 of expressing, Fig. 4 A and Fig. 4 B do not illustrate members such as diffuser plate 330 and blooming piece 340.Shown in Fig. 4 A and Fig. 4 B, for fluorescent tube 320 is fixed in the lamp box 310, the down straight aphototropism mode set 300 of present embodiment has also comprised a plurality of lamp tube fixing piece 400, and design has a plurality of location pattern 470 on the base plate 360, so that lamp tube fixing piece 400 can be disposed on the base plate 360 by location pattern 470, and in order to the fixing fluorescent tube 320 of down straight aphototropism mode set 300.In more detail, present embodiment has disposed a plurality of lamp tube fixing piece 400 on base plate 360, and fluorescent tube 320 is side by side in base plate 360 tops, and per four fluorescent tubes 320 are to be fixed on the base plate 360 by a lamp tube fixing piece 400.Certainly, the present invention does not limit the position of lamp tube fixing piece 400 and the quantity of fixable fluorescent tube 320, in other embodiment, can adjust on demand and to some extent.
In order more to clearly demonstrate feature of the present invention, the partial enlarged drawing (as shown in Figure 5) of the location pattern 470 on below will arrange in pairs or groups above-mentioned lamp tube fixing piece 400 and the base plate 360, bright lamp pipe fixture 400 and the assembling mode of locating pattern 470.Please refer to Fig. 5, wherein: a is the upward view of lamp tube fixing piece; B is the front view of lamp tube fixing piece; C is the partial enlarged drawing of the location pattern on the base plate.The lamp tube fixing piece 400 of present embodiment comprises a pivot part 410, and the both sides of pivot part 410 are respectively equipped with a spiral arm 420, and spiral arm 420 is back to having a plurality of clamping parts 430 and location division 440 respectively with the both sides of facing base plate.Location pattern 470 is made of axis hole 472 and draw-in groove 480, and the position of its central axis hole 472 is corresponding to the pivot part 410 of lamp tube fixing piece 400, so that lamp tube fixing piece 400 can be inserted in the axis hole 472 by pivot part 410, and with respect to base plate 360 rotations.In addition, the quantity of draw-in groove 480 and position then are the location divisions 440 corresponding to lamp tube fixing piece 400, make location division 440 can enter in the pairing draw-in groove 480, and in lamp tube fixing piece 400 during, reach interference with pairing draw-in groove 480 by the drive of spiral arm 420 with respect to base plate 360 rotation.
It should be noted that the quantity that does not limit spiral arm 420 herein, for example each lamp tube fixing piece 400 is provided with a spiral arm 420 with the side at pivot part 410 only, and it can reach the effect of fixed lamp tube 320 equally.In addition, location division 440 can change with the quantity of corresponding draw-in groove 480.For example, can be only dispose a location division 440 at the least significant end of spiral arm 420.Yet because location division 440 disposes the support effect that helps fluorescent tube 320, the position that therefore determines location division 440 is during with quantity, and still need be considered at the rigidity of spiral arm 420, the factors such as position of fluorescent tube 320.
Refer again to Fig. 4 A, 4B and Fig. 5, the location division 440 of the lamp tube fixing piece 400 of present embodiment is made of a necking section 442 and a blocking part 446, wherein the external form of blocking part 446 is greater than necking section 442, and necking section 442 is connected between spiral arm 420 and the blocking part 446.Design with respect to the location division 440 of lamp tube fixing piece 400, draw-in groove 480 can be designed to have an inlet end 482, a passage 484 and an end 486, wherein the external form of inlet end 482 can be passed through for blocking part 446 at least, and the width of passage 484 and terminal 486 is between blocking part 446 and necking section 442.
When carrying out the assembling of fluorescent tube 320, the pivot part 410 with lamp tube fixing piece 400 is inserted in the axis hole 472 earlier, and location division 440 is inserted in the pairing draw-in groove 480, and blocking part 446 is by the inlet end 482 of draw-in groove 480 at this moment.Then, lamp tube fixing piece 400 is rotated with respect to base plate 360, and drive location divisions 440, make necking section 442 arrive the end 486 of draw-in groove 480 via passage 484 by spiral arm 420.Because the width of the passage 484 of draw-in groove 480 and terminal 486 is between blocking part 446 and necking section 442, so after 442 arrival terminal 486 of necking section, blocking part 446 can be reached interference with draw-in groove 480, and lamp tube fixing piece 400 is fixed on the base plate 360.
Then, repeat above-mentioned step, with other lamp tube fixing piece 400 of configuration on other location pattern 470 of base plate 360 in regular turn.Afterwards, only need fluorescent tube 320 is placed in the clamping part 430 of lamp tube fixing piece 400, just fluorescent tube 320 can be fixed on the base plate 360 via lamp tube fixing piece 400.
Afterwards can obtain stable locating effect in order to make lamp tube fixing piece 400 be assembled in base plate 360, the present invention can also increase the design of location structure on lamp tube fixing piece 400.Refer again to Fig. 4 A, 4B and Fig. 5, present embodiment is for example at end 486 peripheral one first snap-in structures 490 that form of each draw-in groove 480 of base plate 360, it for example is a depression, and the side that each blocking part 446 is faced base plate 360 for example has one second snap-in structure 450 corresponding to first snap-in structure 490, for example is a projection at this.So, when necking section 442 arrived the end 486 of draw-in groove 480, first snap-in structure 490 can engage mutually with second snap-in structure 450, to provide firm locating effect at lamp tube fixing piece 400 and base plate 360.What deserves to be mentioned is; the present invention does not limit the form of first snap-in structure 490 and second snap-in structure 450; though first snap-in structure 490 that reaches mentioned herein and second snap-in structure 450 are embodied as depression and protruding collocation; but known other can reach the structural design of equal locating effect; still belong to the adoptable technical scheme of the present invention, do not break away from the scope of institute of the present invention desire protection.
In addition, as shown in Figure 3, opening of lamp box 310 350 disposed diffuser plate 330, even also disposes blooming piece 350 on the diffuser plate 330.Influence the quality of bright dipping easily because of the action of gravity distortion owing to diffuser plate 330, therefore in order to improve the support effect (particularly in the application of large size panel) to diffuser plate 330, the present invention can also dispose the structure that can support diffuser plate 330 on lamp tube fixing piece.As Fig. 4 A and shown in Figure 5, lamp tube fixing piece 400 for example has the support portion 460 of a taper away from a side of base plate 360, in order to breasting diffuser plate 330 (please refer to Fig. 3).In the present embodiment, support portion 460 for example is the dorsal part that correspondence is positioned at pivot part 410, so can obtain preferable support effect with the mutual breasting of base plate 360 by pivot part 410.
In the present invention, lamp tube fixing piece 400 can be made by transparent material, so can reduce lamp tube fixing piece 400 for the covering of fluorescent tube 320, and improves light effect.In addition, on making, the structure that above-mentioned lamp tube fixing piece 400 can be formed in one or form by a plurality of local component compositions.
Below will illustrate the lamp tube fixing piece and location design of patterns of other multiple different kenels of the present invention again.Fig. 6 illustrates the synoptic diagram into lamp tube fixing piece of another embodiment of the present invention and location pattern.Please refer to Fig. 6, wherein: a is the front view of lamp tube fixing piece; B is the upward view of lamp tube fixing piece; C is the partial enlarged drawing of the location pattern on the base plate.The lamp tube fixing piece 600 of present embodiment is similar to the embodiment of Fig. 5, and lamp tube fixing piece 600 comprises pivot part 610, spiral arm 620, clamping part 630, location division 640, necking section 642, blocking part 646, second snap-in structure 650 and support portion 660 etc.In addition, base plate 606 has the location pattern 670 of a plurality of hollow outs, with match with lamp tube fixing piece 600 (only illustrating a location pattern 670 among Fig. 6 is representative).Present embodiment and previous embodiment have been to increase the quantity of location division 640 and clamping part 630 on the spiral arm 620 than evident difference, increase and the quantity of location pattern 670 is also corresponding.So, can be by same lamp tube fixing piece 600 fixing more fluorescent tubes 320.In other words, the lamp tube fixing piece 600 of present embodiment can once be fixed more fluorescent tube 320, when current LCD size increases day by day, more helps to improve assembling efficiency.
In addition, Fig. 7 illustrates the partial schematic diagram into another kind of lamp tube fixing piece of the present invention.Please refer to Fig. 7, the difference bigger with the embodiment of earlier figures 6 is, present embodiment has changed the necking section 742 of location division 740 and the link position of blocking part 746, and wherein the necking section 742 of present embodiment is the edge that is connected in blocking part 746, and constitutes the location division 740 of L type.In addition, Fig. 8 illustrates the partial schematic diagram into another lamp tube fixing piece of the present invention.Please refer to Fig. 8, the necking section 842 of the location division 840 of present embodiment is connected in the central authorities of blocking part 846, and blocking part 846 be shaped as circle.By the embodiment of above-mentioned Fig. 7 and Fig. 8 as can be known, location division of the present invention can have difform variation, and the present invention does not do any qualification to it, as long as can reach the effect of interference with the location pattern on the base plate.
The present invention more proposes a kind of LCD of using above-mentioned module backlight.Fig. 9 is the diagrammatic cross-section according to a kind of LCD of preferred embodiment of the present invention.Please refer to Fig. 9, LCD 900 is made of module 920 backlight and display panels 910, and module 920 wherein backlight can have the lamp tube fixing piece of multiple or other kenels that the foregoing description introduces, in order to the position of fixed lamp tube.In addition, display panels 910 is disposed at the top of the diffuser plate 930 of module 920 backlight, with the planar light source that provided by module 920 backlight as display light source.
In sum, the present invention has following feature and advantage at least:
(1) lamp tube fixing piece by particular design combines with the base plate of lamp box, in order to fixed lamp tube, wherein only need just lamp tube fixing piece to be fixed on the base plate securely by simple insertion and spinning movement, therefore facility comparatively in assembling, and be beneficial to and re-assembly.
(2) same lamp tube fixing piece can be fixed a plurality of fluorescent tubes, and can change the location division of lamp tube fixing piece and the quantity of clamping part, with the maximization in response to the LCD size.
(3) can on lamp tube fixing piece, dispose supporting construction,, so help to improve the bright dipping quality of module backlight in order to support diffuser plate.
(4) lamp tube fixing piece can be made by transparent material, to reduce lamp tube fixing piece for the covering of fluorescent tube, improves the light extraction efficiency of fluorescent tube.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any the technical staff in the technical field; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is with being as the criterion that claims were defined.
Claims (22)
1. a down straight aphototropism mode set is characterized in that, comprising:
One lamp box has a relative opening and a base plate, and described base plate has a plurality of location pattern, and each location pattern comprises an axis hole and at least one draw-in groove;
A plurality of lamp tube fixing piece, corresponding described location pattern and be disposed at described base plate, each lamp tube fixing piece comprises:
One pivot part is inserted in the described axis hole;
At least one spiral arm connects described pivot part, and to be suitable for described pivot part be fulcrum and with respect to the rotation of described base plate;
At least one clamping part is disposed at the side of described spiral arm back to described base plate;
At least one location division is disposed at described spiral arm in the face of a side of described base plate, and wherein said location division is suitable for entering in the described draw-in groove, and reaches interference by the drive of described spiral arm with described draw-in groove; And
A plurality of fluorescent tubes are disposed in the described lamp box, and are fixed on the clamping part of described lamp tube fixing piece.
2. down straight aphototropism mode set as claimed in claim 1 is characterized in that, each location division comprises a necking section and a blocking part, and the external form of described blocking part is greater than described necking section, and described necking section is connected between described spiral arm and the described blocking part.
3. down straight aphototropism mode set as claimed in claim 2, it is characterized in that, each draw-in groove has an inlet end, a passage and an end, the external form of described inlet end can be passed through for described blocking part at least, and the width of described passage and described end is between described blocking part and described necking section, after described blocking part passed through described inlet end, described necking section can arrive the end of described draw-in groove via described passage, makes described blocking part and described draw-in groove reach interference.
4. down straight aphototropism mode set as claimed in claim 3, it is characterized in that, described base plate has at least one first snap-in structure in the periphery of the end of each draw-in groove, and each blocking part has at least one second snap-in structure corresponding to described first snap-in structure in the face of a side of described base plate, when described necking section arrived described draw-in groove terminal, described first snap-in structure can engage mutually with described second snap-in structure.
5. down straight aphototropism mode set as claimed in claim 4 is characterized in that, described first snap-in structure and described second snap-in structure are the combination of depression with projection.
6. down straight aphototropism mode set as claimed in claim 1 is characterized in that, also comprises at least one diffuser plate, is disposed at the opening part of described lamp box.
7. down straight aphototropism mode set as claimed in claim 6 is characterized in that, described lamp tube fixing piece also comprises a support portion away from a side of described base plate, in order to the described diffuser plate of breasting.
8. down straight aphototropism mode set as claimed in claim 7 is characterized in that described support zone is in the dorsal part of described pivot part.
9. down straight aphototropism mode set as claimed in claim 1 is characterized in that, the structure that described lamp tube fixing piece is formed in one.
10. a liquid crystal indicator is characterized in that, comprising:
One direct-type backlight module, described down straight aphototropism mode set comprises:
One lamp box has a relative opening and a base plate, and described base plate has a plurality of location pattern, and each location pattern comprises an axis hole and at least one draw-in groove;
A plurality of lamp tube fixing piece, corresponding described location pattern and be disposed at described base plate, each lamp tube fixing piece comprises:
One pivot part is inserted in the described axis hole;
At least one spiral arm connects described pivot part, and to be suitable for described pivot part be fulcrum and with respect to the rotation of described base plate;
At least one clamping part is disposed at the side of described spiral arm back to described base plate;
At least one location division is disposed at described spiral arm in the face of a side of described base plate, and wherein said location division is suitable for entering in the described draw-in groove, and reaches interference by the drive of described spiral arm with described draw-in groove;
A plurality of fluorescent tubes are disposed in the described lamp box, and are fixed on the clamping part of more described lamp tube fixing piece; And
One liquid crystal panel is disposed at described fluorescent tube top.
11. liquid crystal indicator as claimed in claim 10 is characterized in that, each location division comprises a necking section and a blocking part, and the external form of described blocking part is greater than described necking section, and described necking section is connected between described spiral arm and the described blocking part.
12. liquid crystal indicator as claimed in claim 11, it is characterized in that, each draw-in groove has an inlet end, a passage and an end, the external form of described inlet end can be passed through for described blocking part at least, and the width of described passage and described end is between described blocking part and described necking section, after described blocking part passed through described inlet end, described necking section can arrive the end of described draw-in groove via described passage, makes described blocking part and described draw-in groove reach interference.
13. liquid crystal indicator as claimed in claim 12, it is characterized in that, described base plate has at least one first snap-in structure in the periphery of the end of each draw-in groove, and each blocking part has at least one second snap-in structure corresponding to described first snap-in structure in the face of a side of described base plate, when described necking section arrived described draw-in groove terminal, described first snap-in structure can engage mutually with described second snap-in structure.
14. liquid crystal indicator as claimed in claim 13 is characterized in that, described first snap-in structure and described second snap-in structure are the combination of depression with projection.
15. liquid crystal indicator as claimed in claim 10 is characterized in that, described down straight aphototropism mode set also comprises at least one diffuser plate, is disposed at the opening part of described lamp box.
16. liquid crystal indicator as claimed in claim 15 is characterized in that, described lamp tube fixing piece also comprises a support portion away from a side of described base plate, in order to the described diffuser plate of breasting.
17. liquid crystal indicator as claimed in claim 16 is characterized in that, described support zone is in the dorsal part of described pivot part.
18. liquid crystal indicator as claimed in claim 10 is characterized in that, the structure that described lamp tube fixing piece is formed in one.
19. light tube assembling method, it is characterized in that, be applicable to a direct-type backlight module, described down straight aphototropism mode set comprises a lamp box, it has a relative opening and a base plate, described base plate has a plurality of location pattern, and each the location pattern comprise an axis hole and at least one draw-in groove, described light tube assembling method comprises:
One lamp tube fixing piece is provided, it comprises a pivot part, at least one spiral arm, at least one clamping part and at least one location division, described spiral arm connects described pivot part, described clamping part is disposed at the side of described spiral arm back to described base plate, and described location division is disposed at the side of described spiral arm in the face of described base plate;
With described lamp tube fixing piece corresponding to described location pattern one of them, and the described pivot part of described lamp tube fixing piece is inserted in the described axis hole of described location pattern;
Is fulcrum and with respect to the rotation of described base plate with described lamp tube fixing piece with described pivot part, so that described location division enters in the described draw-in groove by the drive of described spiral arm, and reaches interference with described draw-in groove;
Repeat above-mentioned steps at least once, with at least one lamp tube fixing piece of configuration on other location pattern; And
At least one fluorescent tube is fixed on the clamping part of more described lamp tube fixing piece.
20. light tube assembling method as claimed in claim 19, it is characterized in that, each location division comprises a necking section and a blocking part, the external form of described blocking part is greater than described necking section, and described necking section is connected between described spiral arm and the described blocking part, when described lamp tube fixing piece is a fulcrum and during with respect to the rotation of described base plate, described location division enters in the described draw-in groove, and reaches interference by described blocking part with described draw-in groove with described pivot part.
21. light tube assembling method as claimed in claim 20, it is characterized in that, each draw-in groove has an inlet end, one passage and an end, the external form of described inlet end can be passed through for described blocking part at least, and the width of described passage and described end is between described blocking part and described necking section, when the described pivot part of described lamp tube fixing piece is inserted in the described axis hole of described location pattern, described blocking part is by described inlet end, and when described lamp tube fixing piece be fulcrum and during with described pivot part with respect to the rotation of described base plate, described necking section arrives the end of described draw-in groove via described passage, makes described blocking part and described draw-in groove reach interference.
22. light tube assembling method as claimed in claim 21, it is characterized in that, described base plate has at least one first snap-in structure in the periphery of the end of each draw-in groove, and each blocking part has at least one second snap-in structure corresponding to described first snap-in structure in the face of a side of described base plate, when described necking section arrived described draw-in groove terminal, described first snap-in structure can engage mutually with described second snap-in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100897515A CN101271220A (en) | 2007-03-23 | 2007-03-23 | Directly-down back light module unit, LCD device and light tube assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100897515A CN101271220A (en) | 2007-03-23 | 2007-03-23 | Directly-down back light module unit, LCD device and light tube assembling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101271220A true CN101271220A (en) | 2008-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100897515A Pending CN101271220A (en) | 2007-03-23 | 2007-03-23 | Directly-down back light module unit, LCD device and light tube assembling method |
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| Country | Link |
|---|---|
| CN (1) | CN101271220A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788119A (en) * | 2010-03-18 | 2010-07-28 | 友达光电股份有限公司 | Backlight module |
| CN101915401A (en) * | 2010-07-12 | 2010-12-15 | 友达光电股份有限公司 | Tube support seat and backlight module with membrane support frame |
| CN102853335A (en) * | 2008-10-14 | 2013-01-02 | 华映视讯（吴江）有限公司 | Backlight module |
-
2007
- 2007-03-23 CN CNA2007100897515A patent/CN101271220A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853335A (en) * | 2008-10-14 | 2013-01-02 | 华映视讯（吴江）有限公司 | Backlight module |
| CN101788119A (en) * | 2010-03-18 | 2010-07-28 | 友达光电股份有限公司 | Backlight module |
| CN101915401A (en) * | 2010-07-12 | 2010-12-15 | 友达光电股份有限公司 | Tube support seat and backlight module with membrane support frame |
| CN101915401B (en) * | 2010-07-12 | 2011-12-07 | 友达光电股份有限公司 | Tube support seat and backlight module with membrane support frame |
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