CN202421678U - Liquid crystal television and cold cathode fluorescent lighting (CCFL) liquid crystal display module thereof - Google Patents
Liquid crystal television and cold cathode fluorescent lighting (CCFL) liquid crystal display module thereof Download PDFInfo
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- CN202421678U CN202421678U CN 201120536669 CN201120536669U CN202421678U CN 202421678 U CN202421678 U CN 202421678U CN 201120536669 CN201120536669 CN 201120536669 CN 201120536669 U CN201120536669 U CN 201120536669U CN 202421678 U CN202421678 U CN 202421678U
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- display module
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- crystal display
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Abstract
The utility model discloses a liquid crystal television and a cold cathode fluorescent lighting (CCFL) liquid crystal display module thereof. The CCFL liquid crystal display module comprises a front frame, a liquid crystal panel, a diffusion plate, a CCFL backlight, a reflection piece and a back plate, wherein the liquid crystal panel and the diffusion plate are arranged between the front frame and the back plate. The back plate comprises a bottom plate, a plurality of lateral walls perpendicular to the bottom plate and a concave cavity defined by the bottom plate and the plurality of lateral walls and used for containing the reflection piece. The reflection piece comprises a bottom surface, a plurality of inclined walls inclining to the bottom surface and a containing cavity formed by the bottom surface and the plurality of inclined walls and used for installing the CCFL backlight in a matching mode. The upper surface of each lateral wall far away from the bottom plate extends towards the direction far away from the concave cavity to form a turnup of the back plate, and a convex table higher than the surface of the turnup is arranged on the turnup and used for positioning the liquid crystal panel. According to the liquid crystal television and the CCFL liquid crystal display module of the liquid crystal television, a plastic frame between the front frame and the back plate is eliminated, the structure of the CCFL liquid crystal display module is simplified, and cost is reduced.
Description
Technical field
The utility model relates to LCD TV and the liquid crystal display module thereof that adopts cathode fluorescent tube to do backlight.
Background technology
In the LCD TV industry; Adopt CCFL (Cold Cathode Fluorescent Lamp; Cathode fluorescent tube) does the LCD TV of backlight, rely on its advanced image quality technology and less cost price, in present LCD TV market, still occupy the market share of some; Especially can compare favourably with the low and middle-end LCD TV that adopts LED (Light Emitting Diode, light emitting diode) to do backlight.
As shown in Figure 1, Fig. 1 is the main components exploded view of CCFL liquid crystal display module in the prior art.Adopted the plastic frame of forming by gluing frame 121, low glue frame 122, left glue frame 123 and right glue frame 124 in the prior art between CCFL liquid crystal display module former frame 110 and the backboard 130; Make the quantity of plastic cement part more, complex-shaped, directly caused material cost and die cost and assembly cost high.
Because the manufacturing cost of LED has the trend of reduction in recent years, makes the use of LED liquid crystal display module become more extensive, and constantly pushes the market share of CCFL liquid crystal display module.
For this reason, CCFL liquid crystal display module of the prior art is because cost is higher, and difficulty possesses competitive power, has only CCFL liquid crystal display module is accomplished lower cost, just can make CCFL liquid crystal display module have bigger competitive edge.
Therefore, prior art still haves much room for improvement and develops.
The utility model content
The purpose of the utility model is, a kind of LCD TV and CCFL liquid crystal display module thereof are provided, and can reduce the cost of LCD TV, improves the competitive edge of CCFL liquid crystal display module.
The technical scheme of the utility model is following: a kind of CCFL liquid crystal display module comprises preceding frame, liquid crystal panel, diffuser plate, CCFL backlight, reflector plate and backboard.Liquid crystal panel and diffuser plate are provided with between former frame and the backboard.Backboard comprises base plate, is used for the adaptive cavity that holds reflector plate perpendicular to a plurality of sidewalls of base plate and by what base plate and a plurality of sidewall surrounded.Reflector plate comprises the bottom surface, favours a plurality of inclined walls of bottom surface and the containing cavity that is used for adaptive installation CCFL backlight that is made up of bottom surface and a plurality of inclined wall.Each sidewall extend to form the flange of backboard away from the upper surface of base plate to direction away from cavity, flange is provided with the surface that the exceeds flange boss with the location liquid crystal panel.
Preferably, boss is connected with the flange one of backboard, through the impact briquetting of five metals mould.
Preferably, the flange surface towards the medial surface vertical back-panel of cavity of boss.
Preferably, the lateral surface of the cavity dorsad of boss is with respect to the surface tilt setting of flange, boss near the base area on the flange surface of backboard top surface area away from the flange surface of backboard greater than boss.
Preferably, the flange that each sidewall is corresponding is provided with a plurality of boss, and all boss that are positioned on each flange are provided with equidistant mode.
Preferably, preceding frame comprises that one is parallel to the top board of flange, and the top board of the surface of the flange of backboard and boss and preceding frame constitutes first groove of holding liquid crystal panel, diffuser plate and a reflector plate.
Preferably, the inclined wall of reflector plate extends to form the flange of reflector plate, second groove that the flange of reflector plate extends upward and inwardly reflexed forms adaptive installation diffuser plate away from the upper surface of bottom surface to the direction away from containing cavity.
Preferably, stretch between liquid crystal panel and the diffuser plate in first groove and be provided with cushion pad.
Preferably, between boss and liquid crystal panel, be provided with neonychium.
Simultaneously, the utility model also provides a kind of LCD TV, and this LCD TV comprises having foregoing CCFL liquid crystal display module.
A kind of LCD TV that the utility model provided and CCFL liquid crystal display module thereof; Owing on the flange of backboard, adopted the technological means of boss with location liquid crystal panel and diffuser plate; Save the plastic frame between preceding frame and the backboard, simplified the structure of CCFL liquid crystal display module, reduced material and die cost; Reduce the cost price of LCD TV, improved the competitive edge of CCFL liquid crystal display module.
Description of drawings
Fig. 1 is the main components exploded view of CCFL liquid crystal display module in the prior art.
Fig. 2 is the exploded view of the utility model CCFL liquid crystal display module.
Fig. 3 is the backboard Facad structure figure in the utility model CCFL liquid crystal display module.
Fig. 4 is the local A place structure enlarged drawing among the utility model Fig. 3.
Fig. 5 is the part stereographic map of the utility model CCFL liquid crystal display module band section.
Fig. 6 is the local B place structure enlarged drawing among the utility model Fig. 5.
Embodiment
Below will combine accompanying drawing, the embodiment and the embodiment of the utility model specified, described specific embodiment in order to explain the utility model, is not the embodiment that is used to limit the utility model only.
As shown in Figure 2, Fig. 2 is the exploded view of the utility model CCFL liquid crystal display module.This CCFL liquid crystal display module from top to bottom comprises successively: preceding frame 210, liquid crystal panel 250, diffuser plate 260, as CCFL (not shown), reflector plate 240 and the backboard 230 of backlight.Backboard 230 is a sheet metal component, through impact briquetting, is provided with the cavity 235 that holds reflector plate 240, and this cavity 235 is to be surrounded by the base plate of backboard 230 and four sidewalls perpendicular to the base plate of backboard 230.Reflector plate 240 is provided with the containing cavity 241 that is used to install the CCFL backlight, and containing cavity 241 is to be surrounded by the bottom surface of reflector plate 240 and four reflector plate inclined walls that favour the bottom surface of reflector plate 240.
As shown in Figure 3, Fig. 3 is the backboard Facad structure figure in the utility model CCFL liquid crystal display module.In conjunction with Fig. 2 and Fig. 3, backboard 230 also comprises base plate, sidewall, flange 231,232,233 and 234 and a plurality of boss 270 except that comprising cavity 235.Cavity 235 is to constitute by base plate with perpendicular to four sidewalls of base plate.Flange 231,232,233 and 234 is extended to form to the direction away from cavity 235 by the upper surface away from base plate of each sidewall of correspondence respectively.These a plurality of boss 270 are arranged on the flange 231,232,233 and 234 upper surfaces of said backboard 230, are used to locate foregoing liquid crystal panel 250.Preferably, all boss 270 that are positioned on each flange are provided with equidistant mode.
In an embodiment of the utility model; On the upper overturning 231 of backboard 230, following flange 232, left flange 233 and right flange 234, two boss 270 are set respectively, and these two boss 270 lay respectively at each flange 231,232,233 of backboard 230 and 234 both sides.Also have length or width setting that the distance between the two relative boss 270 can adaptive liquid crystal panel 250.
Please further consult Fig. 4, Fig. 4 is the local A place structure enlarged drawing among the utility model Fig. 3, and it is that the boss 270 that is positioned on the right flange 234 with place, backboard 230 upper right corner is an example, and the boss 270 on other flange is identical with it.In conjunction with Fig. 3 and Fig. 4, boss 270 is the trapezoid boss that formed by right flange 234 punching presses, and boss 270 is protruding upward from right flange 234 upper surfaces of backboard 230.Boss 270 comprise end face 272, dorsad cavity 235 lateral surface 273, with lateral surface 273 be oppositely arranged (promptly towards cavity 235) medial surface and with end face 272 opposed bottom surface.End face 272 is used for contacting with preceding frame 210, and lateral surface 273 is obliquely installed with respect to right flange 234 upper surfaces, and the base area of boss 270 is greater than the area of the end face 272 of said boss 270.The right flange 234 of the medial surface vertical back-panel 230 of boss 270.In the present embodiment, said boss 270 is connected setting with said backboard 230 one, through the impact briquetting of five metals mould, further to reduce cost.Certainly, in other variant embodiment of the utility model, boss 270 can also be fixed on the right flange 234 through modes such as welding, bonding, riveted joints.Also have, the shape of this boss 270 also is not limited to trapezoidal shape, can also be the shape of other convenient location liquid crystal panel 250.
Please consult Fig. 5 and Fig. 6 in the lump, Fig. 5 is the part stereographic map of the utility model CCFL liquid crystal display module band section, and Fig. 6 is the local B place structure enlarged drawing among the utility model Fig. 5.As shown in Figure 5; The upper surface of the left flange 233 of backboard 230 is provided with boss 270; Preceding frame 210 is provided with the top board that is parallel to left flange 233; This top board is arranged on the end face of boss 270, constitutes one first groove by the medial surface of boss 270, the upper surface of left flange 233 and the top board of preceding frame 210, and this first groove is used for holding liquid crystal panel 250 and diffuser plate 260 and reflector plate 240.
Specifically, the upper surface of reflector plate 240 inclined walls extends to form the flange of reflector plate 240 to the direction away from containing cavity, second groove 246 that the flange of reflector plate 240 extends upward and inwardly reflexed forms adaptive installation diffuser plate 260.Above this second groove 246, be provided with liquid crystal panel 250.
Preferably; In the embodiment of a distortion; Stretching between liquid crystal panel 250 and the diffuser plate 260 in first groove and be provided with cushion pad, more particularly, is between the cell wall of second groove 246 of reflector plate 240 and liquid crystal panel 250, to be provided with cushion pad 280; Be used to absorb and slow down the impulsive force that liquid crystal panel 250 is caused, avoid damaging the higher liquid crystal panel of cost 250 as far as possible.Between liquid crystal panel 250 and boss 270, be provided with neonychium 290 in addition, can play the protection liquid crystal panel equally and exempt from the effect that bump damages.
The edge of said diffuser plate 260 coheres in the groove 246 on said reflector plate 240 flange through double faced adhesive tape; The flange of said reflector plate 240 overlap joint also is supported on the flange of said backboard 230, said liquid crystal panel 250 be arranged on said before between the flange of edge and said reflector plate 240 of frame 210.
Certainly, for above-mentioned Fig. 5 and Fig. 6 with left flange 233, be provided with on it boss 270 and before frame 210 be the assembly structure that example is explained, also have similar assembly structure on backboard 230 other flange, no longer specify at this.
Based on above-mentioned CCFL liquid crystal display module, the utility model has also proposed a kind of LCD TV, comprises the liquid crystal display module, and wherein: said liquid crystal display module is set to the CCFL liquid crystal display module described in above-mentioned each embodiment.
Compare with CCFL liquid crystal display module of the prior art and LCD TV with this CCFL liquid crystal display module; A kind of LCD TV that the utility model provided and CCFL liquid crystal display module thereof; Owing on the flange of backboard, adopted the technological means of boss with location liquid crystal panel and diffuser plate; Save the plastic frame between preceding frame and the backboard, simplified the structure of CCFL liquid crystal display module, reduced material and die cost; Reduce the cost price of LCD TV, improved the competitive edge of CCFL liquid crystal display module.
Should be understood that; The preferred embodiment that the above is merely the utility model is not sufficient to limit the technical scheme of the utility model, concerning those of ordinary skills; Within the spirit and principle of the utility model; Can increase and decrease according to above-mentioned explanation, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection domain of the utility model accompanying claims.
Claims (10)
1. a CCFL liquid crystal display module comprises preceding frame, liquid crystal panel, diffuser plate, CCFL backlight, reflector plate and backboard; Said liquid crystal panel and said diffuser plate are arranged between said preceding frame and the said backboard; Said backboard comprises base plate, is used for the adaptive cavity that holds said reflector plate perpendicular to a plurality of sidewalls of said base plate and by what base plate and said a plurality of sidewall surrounded; It is characterized in that: said reflector plate comprises the bottom surface, favours a plurality of inclined walls of said bottom surface and the containing cavity that is used for the said CCFL backlight of adaptive installation that is made up of said bottom surface and said a plurality of inclined wall; Each sidewall extend to form the flange of said backboard away from the upper surface of said base plate to direction away from said cavity, said flange be provided with exceed said flange the surface to locate the boss of said liquid crystal panel.
2. CCFL liquid crystal display module according to claim 1 is characterized in that: said boss is connected with the said flange one of said backboard, through the impact briquetting of five metals mould.
3. CCFL liquid crystal display module according to claim 1 is characterized in that: the medial surface towards said cavity of said boss is surperficial perpendicular to the said flange of said backboard.
4. CCFL liquid crystal display module according to claim 3; It is characterized in that: the lateral surface of the said cavity dorsad of said boss is with respect to the surface tilt setting of said flange, said boss near the base area on the said flange surface of said backboard top surface area away from the said flange surface of said backboard greater than said boss.
5. CCFL liquid crystal display module according to claim 1 is characterized in that: the said flange that each sidewall is corresponding is provided with a plurality of boss, and all boss that are positioned on each flange are provided with equidistant mode.
6. according to each described CCFL liquid crystal display module in the claim 1 to 5; It is characterized in that: frame comprises that one is parallel to the top board of said flange before said, and the said top board of the surface of the said flange of said backboard and said boss and said preceding frame constitutes first groove of the said liquid crystal panel of clamping, said diffuser plate and a said reflector plate.
7. CCFL liquid crystal display module according to claim 6; It is characterized in that: the said inclined wall of said reflector plate extend to form the flange of said reflector plate, second groove that the said flange of said reflector plate extends upward and inwardly reflexed forms the said diffuser plate of adaptive installation away from the upper surface of said bottom surface to direction away from containing cavity.
8. CCFL liquid crystal display module according to claim 6 is characterized in that: stretch between interior said liquid crystal panel of said first groove and the said diffuser plate and be provided with cushion pad.
9. CCFL liquid crystal display module according to claim 6 is characterized in that: between said boss and said liquid crystal panel, be provided with neonychium.
10. a LCD TV comprises the liquid crystal display module, it is characterized in that: said liquid crystal display module is set to like each described CCFL liquid crystal display module in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120536669 CN202421678U (en) | 2011-12-20 | 2011-12-20 | Liquid crystal television and cold cathode fluorescent lighting (CCFL) liquid crystal display module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120536669 CN202421678U (en) | 2011-12-20 | 2011-12-20 | Liquid crystal television and cold cathode fluorescent lighting (CCFL) liquid crystal display module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421678U true CN202421678U (en) | 2012-09-05 |
Family
ID=46746424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120536669 Expired - Fee Related CN202421678U (en) | 2011-12-20 | 2011-12-20 | Liquid crystal television and cold cathode fluorescent lighting (CCFL) liquid crystal display module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995386A (en) * | 2014-05-12 | 2014-08-20 | 青岛海信电器股份有限公司 | Back plate for liquid crystal module, liquid crystal module and display device |
| CN104977752A (en) * | 2014-04-07 | 2015-10-14 | 三星显示有限公司 | Display apparatus |
-
2011
- 2011-12-20 CN CN 201120536669 patent/CN202421678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977752A (en) * | 2014-04-07 | 2015-10-14 | 三星显示有限公司 | Display apparatus |
| CN103995386A (en) * | 2014-05-12 | 2014-08-20 | 青岛海信电器股份有限公司 | Back plate for liquid crystal module, liquid crystal module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |