CN202502327U - Drive board fixing structure and liquid crystal backlight module group - Google Patents
Drive board fixing structure and liquid crystal backlight module group Download PDFInfo
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- CN202502327U CN202502327U CN2012200198428U CN201220019842U CN202502327U CN 202502327 U CN202502327 U CN 202502327U CN 2012200198428 U CN2012200198428 U CN 2012200198428U CN 201220019842 U CN201220019842 U CN 201220019842U CN 202502327 U CN202502327 U CN 202502327U
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- drive plate
- fixed
- plate
- fixed sturcture
- backboard
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Abstract
The utility model discloses a drive board fixing structure and a liquid crystal backlight module group. The cross section of the drive board fixing structure is Z-step-shaped. The drive board fixing structure comprises a pressure plate, a fixing plate and an intermediate plate connecting the pressure plate and the fixing plate, wherein the pressure plate is connected to the upper end of the intermediate plate, and the fixing plate is connected to the lower end of the intermediate plate. The pressure plate is parallel to the fixing plate. The intermediate plate is vertical to the pressure plate and the fixing plate. According to the utility model, the beneficial effects are provided as following: through the simple frame design, the drive board on the backboard is fixed, cost is reduced, and simultaneously, the drive board of the module group is fixed and protected more reasonably.
Description
Technical field
The utility model relates to the LCD backlight field, relates in particular to a kind of drive plate fixed sturcture and LCD backlight module.
Background technology
Along with the LED TV is done thinner and thinner, it is more and more wider that liquid crystal display drive plate turnover design is adopted at present, is exposed to outside the module screen because of being in after the drive plate turnover; Fixing and protection problem after the drive plate turnover is very important with regard to what become; Fixing and protected mode commonly used adopts radome (SECC) to add the form of insulating trip exactly in the industry at present, and price is more expensive, therefore; Seek a kind of mode of effectively fixing and protect drive plate, imperative.
The utility model content
To the problems referred to above, the purpose of the utility model is to provide a kind of drive plate fixed sturcture and LCD backlight module, more reasonably fixes and protected the drive plate of module when having reduced cost.
For achieving the above object; The said a kind of drive plate fixed sturcture of the utility model; The cross section of said drive plate fixed sturcture is that the Z word is step-like, and said drive plate fixed sturcture is made up of the intermediate plate of pressure plate, fixed head and connection pressure plate and fixed head, wherein; Said pressure plate connects the upper end of intermediate plate, and fixed head connects the lower end of intermediate plate.
Preferably, said pressure plate is parallel with fixed head.
Preferably, said intermediate plate is all vertical with fixed head with pressure plate and intermediate plate.
Preferably, said fixed head is provided with at least one screw.
Preferably, said drive plate fixed sturcture is the plastic material structure.
Preferably, the junction of said intermediate plate and fixed head is provided with at least one reinforcement.
For achieving the above object, the said a kind of LCD backlight module of the utility model comprises housing, backboard, drive plate and the fixed drive plate drive plate fixed sturcture on backboard at least, and said drive plate fixed sturcture is above-mentioned drive plate fixed sturcture.
Preferably, said drive plate places on the backboard, and the two ends that drive plate is corresponding are fixed through the drive plate fixed sturcture respectively, and wherein, the fixed head of drive plate fixed sturcture is fixed on the backboard, and the pressure plate of drive plate fixed sturcture is pressed on the drive plate side-flank surfaces; Said backboard is provided with turnup structure, and this turnup structure cooperatively interacts with frame and is fixed in the corresponding place, other two ends of drive plate.
Preferably, be covered with the clear PET layer on the said drive plate outside surface.
The beneficial effect of the utility model is:
The utility model designs through simple support class, and the drive plate on the backboard is fixed, and when having reduced cost, more reasonably fixes and protected the drive plate of module.
Description of drawings
Fig. 1 is first kind of structural representation of the said drive plate fixed sturcture of the utility model embodiment;
Fig. 2 is second kind of structural representation of the said drive plate fixed sturcture of the utility model embodiment;
Fig. 3 is the third structural representation of the said drive plate fixed sturcture of the utility model embodiment;
Fig. 4 is the three-dimensional structure diagram of Fig. 3;
Fig. 5 is the part synoptic diagram of the said LCD backlight module of the utility model embodiment;
Fig. 6 is the structural representation of A among Fig. 5;
Fig. 7 is the structural representation of B among Fig. 5.
Embodiment
Below in conjunction with Figure of description the utility model is done further description.
The said a kind of drive plate fixed sturcture of the utility model embodiment, the cross section of said drive plate fixed sturcture is that the Z word is step-like.Said drive plate fixed sturcture is made up of the intermediate plate 3 of pressure plate 1, fixed head 2 and connection pressure plate 1 and fixed head 2, and wherein, said pressure plate 1 connects the upper end of intermediate plate 3, and fixed head 2 connects the lower end of intermediate plates 3.
The developing direction in present whole TV market can find out that large screen super-thinization will be one of TV Development Trend in the coming years.And along with the day by day fierceness of each color TV enterprises in price competition, ultra-thinization of giant-screen product spreading speed also will be accelerated day by day.Along with the LED TV screen make more and more thinner, reduce the space that utilizes in the module.Therefore, the pressure plate of said drive plate fixed sturcture and fixed head should keeping parallelisms.As long as when pressure plate and fixed head keeping parallelism, just can the installation of other parallel equipment not impacted.Further bringing convenience aspect the liquid crystal display installation.
Behind pressure plate and fixed head keeping parallelism, be that the Z word is step-like for the cross section, three kinds of performance situation can be arranged:
The first, said intermediate plate lower end tilts to the outer extended line direction of fixed head, is illustrated in figure 1 as the structural representation of this form of expression of drive plate fixed sturcture.
The second, said intermediate plate lower end tilts to the interior extended line direction of fixed head, is illustrated in figure 2 as the structural representation of this form of expression of drive plate fixed sturcture.
The 3rd, said intermediate plate is all vertical with fixed head with pressure plate and intermediate plate.As Fig. 3 and shown in Figure 4 be the structural representation of this form of expression of drive plate fixed sturcture.
The effect of said drive plate fixed sturcture is to be fixed on to be used for placing drive plate on the backboard and to move, and has a variety of, the fairly simple viscose glues that passes through to be adhesively fixed for the fixing means of this fixed sturcture on backboard; But this method is under time situation more of a specified duration; Viscose glue may go bad, and causes fixed sturcture loosening, and fixed sturcture one is loosening; Can make that drive plate is moved, influence the expression effect of LCD screen.So, on said fixed head, be provided with at least one screw.Through screw the drive plate fixed sturcture is fixed on the backboard,, when it is fixed on the backboard, can with the screw disappearance in screw 9, be unlikely to waste and utilizes the space because fixed sturcture itself has certain thickness.
The LED screen not only tends to flat approaching at present, also will practice thrift emphasis to some extent on the cost.Therefore, said drive plate fixed sturcture is the plastic material structure.
In order to make said drive plate fixed sturcture more sturdy and durable, be provided with at least one reinforcement 8 in the junction of said intermediate plate and fixed head.This reinforcement 8 can bear certain holding capacity in the junction, prevent the fixed sturcture fracture, prolongs the serviceable life of fixed sturcture.
Backlight (BackLight) is to be positioned at LCD (LCD) a kind of light source behind, and its illumination effect will directly have influence on LCD MODULE (LCM) visual effect.LCD itself is not luminous, and its display graphics or character are the results that it is modulated light.
Backlight mainly contains EL, CCFL and three kinds of type of backlight of LED by light source type at present; Then be divided into side-light type and straight-down negative (end backlight type) according to distribution of light sources position difference; End backlight type is a flat area source that a fixed structure is arranged; Can be a continuous uniform surface light source, like EL or plane fluorescent lamp; Also can be one and constitute, like a matrix LED or incandescent lamp backlight etc. by more pointolite.Commonly used is that LED dot matrix and EL are backlight.
Backlight mainly is made up of with matrix, structural member light source, LGP, optics: light source mainly contains EL, CCFL and three kinds of type of backlight of LED at present; LGP is divided into printing, chemical etching (Etching), precision optical machinery portrayal method (V-cut), light lithography (Stamper), internal divergence; Optics is used matrix: bright enhancement film/sheet, diffusion barrier/sheet, reflector plate, black/white glue; Structural member: have in the structural member: backboard (iron backboard, aluminium backboard, plastic cement backboard), glue frame, tube rack, aluminium section bar, aluminium base, its dorsulum and glue frame are must appliance, and other structural member is not to use fully.
It is exactly screen and back light unit that the LCD backlight module is simply put.The display unit of LCD TV is exactly the LCD backlight module, and other part comprises power circuit, and signal processing circuit etc. also have shell.Module mainly is divided into screen and back light unit.Two parts are assembled together, but work the time is separate (being that circuit is uncorrelated).The principle of liquid crystal display is that back light unit sends uniform face light, and light spreads out of through liquid crystal display.The effect of screen is exactly according to pixels these light to be handled, with display image.In the utility model, mainly be for the fixed sturcture of some parts in the LCD backlight module is described.
Shown in Fig. 5-7; For achieving the above object; The said a kind of LCD backlight module of the utility model comprises housing 4, backboard 5, drive plate 6 and the fixed drive plate 6 drive plate fixed sturcture 11 on backboard 5 at least, and said drive plate fixed sturcture 11 is above-mentioned drive plate fixed sturcture.
For the described LCD backlight module of the utility model, need accomplish 2 points:
(1), drive plate is fixing
Preventing that drive plate from seesawing mainly accomplishes through the drive plate fixed sturcture of design; This drive plate fixed sturcture becomes stepped, and on backboard, the other end is pushed down the drive plate plate to an end through screw retention; The unit consumption is 2, about each fixing drive plate fixed sturcture.Specific constructive form is as shown in Figure 6, through these two drive plate fixed sturctures, has just limited the front and back and the side-to-side movement of drive plate, can limit moving up and down of drive plate 6 through backboard turnup structure 7 and frame 4, and specific constructive form is as shown in Figure 7.
Concrete structure is illustrated as: said drive plate places on the backboard; The two ends that drive plate is corresponding are fixed through the drive plate fixed sturcture respectively; Wherein, the fixed head of drive plate fixed sturcture is fixed on the backboard, and the pressure plate of drive plate fixed sturcture is pressed on the drive plate side-flank surfaces; Said backboard is provided with turnup structure, and this turnup structure cooperatively interacts with frame and is fixed in the corresponding place, other two ends of drive plate.
The drive plate fixed sturcture that the fixed drive plate is adopted can adopt any of three kinds of above-mentioned drive plate fixed sturctures, and three kinds of situation are:
The first, said intermediate plate lower end tilts to the outer extended line direction of fixed head, is illustrated in figure 1 as the structural representation of this form of expression of drive plate fixed sturcture.For this kind structure when the fixed drive plate; It is not fine will certainly making the contact position of drive plate edge and intermediate plate stressed; At this moment can add the salient angle 10 of some squares in the place of intermediate plate and drive plate edge contact, with as to the contact position stressed evenly.Situation that like this will certainly be vertical with intermediate plate is the same to some extent.But under the stressed situation of intermediate plate, analyze; With the stressed methods analyst of physics; Because the inclination of intermediate plate makes the pressure of receiving laterally and vertically to distribute, horizontal power can be less than suffered total power; Make this kind fixed sturcture more can bear the extruding of the outside that is unfavorable for that the liquid crystal backboard is received, accomplish fixing drive plate.
The second, said intermediate plate lower end tilts to the interior extended line direction of fixed head, is illustrated in figure 2 as the structural representation of this form of expression of drive plate fixed sturcture.For this kind structure when the fixed drive plate; It is not fine can making the contact position of drive plate edge and intermediate plate stressed equally; At this moment can add the salient angle of some squares in the place of intermediate plate and drive plate edge contact, with as to the contact position stressed evenly.Situation that like this will certainly be vertical with intermediate plate is the same to some extent.But under the stressed situation of intermediate plate, analyze; With the stressed methods analyst of physics; Because the inclination of intermediate plate makes the pressure of receiving laterally and vertically to distribute, horizontal power can be less than suffered total power; Make this kind fixed sturcture more can bear the extruding of the outside that is unfavorable for that the liquid crystal backboard is received, accomplish fixing drive plate.
The 3rd, said intermediate plate is all vertical with fixed head with pressure plate and intermediate plate.As Fig. 3 and shown in Figure 4 be the structural representation of this form of expression of drive plate fixed sturcture.For this kind structure when the fixed drive plate; Intermediate plate is a plumbness; Just in time the edge with drive plate coincide (generally speaking, the edge of plate all adopts right-angle design), and the intermediate plate vertical design; Also can save this backboard that has and utilize the space, bring convenience for the installation of other inner components and parts.So this kind drive plate frame mode and above-mentioned two kinds of frame modes are relatively, it is adopted use more easily.
The effect of said drive plate fixed sturcture is to be fixed on to be used for placing drive plate on the backboard and to move, and has a variety of, the fairly simple viscose glues that passes through to be adhesively fixed for the fixing means of this fixed sturcture on backboard; But this method is under time situation more of a specified duration; Viscose glue may go bad, and causes fixed sturcture loosening, and fixed sturcture one is loosening; Can make that drive plate is moved, influence the expression effect of LCD screen.So, on said fixed head, be provided with at least one screw.Through screw the drive plate fixed sturcture is fixed on the backboard,, when it is fixed on the backboard, can with the screw disappearance in screw, be unlikely to waste and utilizes the space because fixed sturcture itself has certain thickness.
The LED screen not only tends to flat approaching at present, also will practice thrift emphasis to some extent on the cost.Therefore, said drive plate fixed sturcture is the plastic material structure.And the miscellaneous part in the LCD backlight module like backboard, frame etc., all is to adopt the lighter material of weight to process, and more presses close to the frivolous idea of development of LCD screen.Therefore the drive plate fixed sturcture that is designed also will go this frivolous theory.
In order to make said drive plate fixed sturcture more sturdy and durable, be provided with at least one reinforcement in the junction of said intermediate plate and fixed head.This reinforcement can bear certain holding capacity in the junction, prevent the fixed sturcture fracture, prolongs the serviceable life of fixed sturcture.In the design of backboard or frame, usually also can add some reinforcements, this reinforcement is nothing but to set up some lines to the surface of backboard, perhaps this lines can be used the more firm principle of triangle and add.In a word, adding reinforcement is to the firm Simple Method for Design of the product of any incident damage.
(2), the protection of drive plate
In the prior art; The drive plate protected mode is for being provided with radome on drive plate, (the polyethylene terephthalate chemical formula is-the OCH2-CH2OCOC6H4CO-English name: polyethylene terephthalate) insulating trip is realized on radome, to paste black PET then.Yet paste insulating trip, play the radome screw, waste material influences man-hour.PET is milky or polymkeric substance light yellow, highly crystalline, and surface smoothing is glossy.In wider temperature range, have excellent physical and mechanical properties, long-term serviceability temperature can reach 120 ℃, and electrical insulating property is good; Even under the high temperature high frequency, its electrical property is still better, but corona resistance is relatively poor; Creep resistance, fatigue durability, rub resistance, dimensional stability are all fine.The utility model is employed in the mode of drive plate top subsides layer of transparent pet layer and protects the drive plate components and parts, and this clear PET layer needs the bending part stamping-out become dotted line, and ease for operation is strong, and what finally want is that cost is low.
More than; Be merely the preferred embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain that claim was defined.
Claims (9)
1. drive plate fixed sturcture; It is characterized in that; The cross section of said drive plate fixed sturcture is that the Z word is step-like, and said drive plate fixed sturcture is made up of the intermediate plate of pressure plate, fixed head and connection pressure plate and fixed head, wherein; Said pressure plate connects the upper end of intermediate plate, and fixed head connects the lower end of intermediate plate.
2. drive plate fixed sturcture according to claim 1 is characterized in that said pressure plate is parallel with fixed head.
3. drive plate fixed sturcture according to claim 2 is characterized in that, said intermediate plate is all vertical with fixed head with pressure plate and intermediate plate.
4. according to claim 1,2 or 3 described drive plate fixed sturctures, it is characterized in that said fixed head is provided with at least one screw.
5. drive plate fixed sturcture according to claim 1 is characterized in that, said drive plate fixed sturcture is the plastic material structure.
6. drive plate fixed sturcture according to claim 1 is characterized in that the junction of said intermediate plate and fixed head is provided with at least one reinforcement.
7. LCD backlight module; It is characterized in that; At least comprise housing, backboard, drive plate and the fixed drive plate drive plate fixed sturcture on backboard, said drive plate fixed sturcture is the described drive plate fixed sturcture of arbitrary claim among the aforesaid right requirement 1-6.
8. LCD backlight module according to claim 7; It is characterized in that; Said drive plate places on the backboard, and the two ends that drive plate is corresponding are fixed through the drive plate fixed sturcture respectively, wherein; The fixed head of drive plate fixed sturcture is fixed on the backboard, and the pressure plate of drive plate fixed sturcture is pressed on the drive plate side-flank surfaces; Said backboard is provided with turnup structure, and this turnup structure cooperatively interacts with frame and is fixed in the corresponding place, other two ends of drive plate.
9. LCD backlight module according to claim 8 is characterized in that, is covered with the clear PET layer on the said drive plate outside surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200198428U CN202502327U (en) | 2012-01-17 | 2012-01-17 | Drive board fixing structure and liquid crystal backlight module group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200198428U CN202502327U (en) | 2012-01-17 | 2012-01-17 | Drive board fixing structure and liquid crystal backlight module group |
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| Publication Number | Publication Date |
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| CN202502327U true CN202502327U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200198428U Expired - Lifetime CN202502327U (en) | 2012-01-17 | 2012-01-17 | Drive board fixing structure and liquid crystal backlight module group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014107868A1 (en) * | 2013-01-09 | 2014-07-17 | 深圳市华星光电技术有限公司 | Liquid crystal module and liquid crystal display |
-
2012
- 2012-01-17 CN CN2012200198428U patent/CN202502327U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014107868A1 (en) * | 2013-01-09 | 2014-07-17 | 深圳市华星光电技术有限公司 | Liquid crystal module and liquid crystal display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266555 no.218, qianwangang Road, Qingdao Economic and Technological Development Zone, Shandong Province Patentee before: HISENSE ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121024 |
|
| CX01 | Expiry of patent term |