CN201266284Y - Fixed structure for printed circuit board of liquid crystal display die set - Google Patents
Fixed structure for printed circuit board of liquid crystal display die set Download PDFInfo
- Publication number
- CN201266284Y CN201266284Y CNU2008201033623U CN200820103362U CN201266284Y CN 201266284 Y CN201266284 Y CN 201266284Y CN U2008201033623 U CNU2008201033623 U CN U2008201033623U CN 200820103362 U CN200820103362 U CN 200820103362U CN 201266284 Y CN201266284 Y CN 201266284Y
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- CN
- China
- Prior art keywords
- pcb
- circuit board
- printed circuit
- backboard
- liquid crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 29
- 239000002390 adhesive tape Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005030 aluminium foil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene terephthalates Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
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- Liquid Crystal (AREA)
Abstract
The utility model relates to a PCB fixing structure of a liquid crystal display module, which comprises a PCB and a backboard, wherein the backboard comprises plural backboard bosses and a protecting film, wherein the backboard bosses are arranged at the bottom end and protrude outwards integrally from the backboard, the PCB is arranged on the backboard bosses, the whole edges of the protecting film are stuck by adhesive tapes, the protecting film covers on the PCB, and the adhesive tapes are stuck to the edges of the PCB and the backboard adjacent to the edges of the PCB simultaneously. The utility model has the advantages that the structure is simple, the assembly and the disassembly of the PWB in the liquid crystal display module can be realized quickly and conveniently, more time and labor are saved.
Description
[technical field]
The utility model is the parts fixed sturcture about a kind of liquid crystal display module, is meant the fixed sturcture of printed circuit board (PCB) in a kind of liquid crystal display module especially.
[background technology]
The liquid crystal display module mainly is made up of spare parts such as housing, glue frame, module backlight, driving circuit, liquid crystal panel, control circuits, and module wherein backlight mainly is made up of spare parts such as light source, lampshade, backboard, light guide plate.
Consult shown in Figure 1ly, be illustrated as the rear view of present liquid crystal display module, this figure has mainly showed the combined state of backboard 1 and printed circuit board (PCB) (PWB, Printed wiring board) 2.Please consult shown in Figure 2ly simultaneously, be illustrated as the partial enlarged drawing of Fig. 1.Printed circuit board (PCB) 2 is by the bottom outer surface of screw 3 lockings at backboard 1, and printed circuit board (PCB) is provided with connector 22, and connector 22 effects are the signals that receive from customer facility.The backboard boss 12 that comprises a plurality of one protrusion backboards 1 surface on the backboard 1.Its dorsulum boss 12 is interior hollow structure, thereby is mainly the locking point that supporting printing board 2 is protected the circuit of backboards 1 inboard and screw is provided, and promptly screw 3 passes printed circuit board (PCB) 2 and backboard boss 12 successively, thereby printed circuit board (PCB) 2 is locked on backboard 1.
See also shown in Figure 3ly, be illustrated as the side isometric view of present liquid crystal display module.Can find out more clearly that printed circuit board (PCB) 2 locks on backboard boss 12 by screw 3.
As shown in Figure 4, wherein covered by aluminium foil/PET diaphragms such as (polyethylene terephthalates) 4 fully on the printed circuit board (PCB) 2.See also shown in Figure 5ly, this figure mainly shows as the front elevation of diaphragm 4, and the effect of diaphragm 4 is for preventing the PWB appearance damage and form shield effectiveness, preventing that PWB is subjected to EMI (electromagnetic interference (EMI)).The edge, two ends on the long limit of this diaphragm 4 is stained with adhesive tape 42, the bottom side edge edge of the position alignment backboard 1 of dotted line 44 wherein, thus can make diaphragm 4 regular being bonded on the backboard 1.This diaphragm 4 only plays the effect of protection PWB here.
In sum; the PWB of liquid crystal display module locks on backboard by screw at present; so need carry out sticking after the screwing of screw the pine of opening that carries out screw behind the diaphragms such as diaphragm, the aluminium foil/PET that need tear when disassembling such as aluminium foil/PET during the PWB of liquid crystal display module assembling; consume more man-hour, so should do corresponding improvement.
China Patent No. is ZL200720119655.6, the name be called liquid crystal indicator patent disclosure a kind of liquid crystal indicator, its technology mainly shows as a plurality of Location resilient pieces and a plurality of barricade is set on backboard, printed circuit board (PCB) comprises a plurality of pilot holes, this Location resilient piece matches with the pilot hole of this printed circuit board (PCB), and these a plurality of barricades are fixed this printed circuit board (PCB).Then all need be when assembling of this liquid crystal indicator and dismounting by screwdriver, utilize cooperating and the assembling that fixedly makes this printed circuit board (PCB) of barricade and dismantle all very convenient of pilot hole and Location resilient piece.But there is following defective in this technology:
1, the barricade on the backboard is the holes structure, and foreign matter is invaded liquid crystal module easily;
2, this technology easily causes the PWB circuit by scratch, in addition at the ventricumbent PWB structure of part, the doubt that has the part of causing to drop when assembling or disassembling PWB;
3, this technology need be pushed Location resilient piece one by one when disassembling or assemble PWB, expend time in equally, and in the process of pushing, the improper PWB of the causing folding of the dynamics that is prone to is hindered or distortion.
Therefore, also need the fixed sturcture of printed circuit board (PCB) is done further to improve.
[summary of the invention]
Technical problem to be solved in the utility model is to provide a kind of simple in structure, the fixed sturcture that can realize printed circuit board (PCB) in the liquid crystal display module that PWB assembles and dismantle quickly and easily in the liquid crystal display module.
The utility model solves the problems of the technologies described above by the following technical programs: the fixed sturcture of printed circuit board (PCB) in a kind of liquid crystal display module; comprise printed circuit board (PCB) and backboard; described backboard comprises a plurality of backboard boss that are positioned at the bottom and outwards protrude from the backboard one; described printed circuit board (PCB) is positioned on the described backboard boss; also comprise diaphragm; the whole edge of described diaphragm all is stained with adhesive tape; described diaphragm covers on the described printed circuit board (PCB), and described adhesive tape is bonded on the edge and the backboard adjacent with the printed circuit board (PCB) edge of printed circuit board (PCB) simultaneously.
This utility model further is specially:
Also comprise and protrude at least one the first location convex closure that is arranged on the backboard bottom, be provided with first locating slot corresponding to this first location convex closure on the described printed circuit board (PCB).
The described first location convex closure is arranged on the position corresponding to the connector both sides of printed circuit board (PCB), and described first locating slot is arranged on the connector both sides of printed circuit board (PCB).
Also comprise protruding being arranged on the location of second on each backboard boss convex closure, be provided with second locating slot corresponding to the second location convex closure on the described printed circuit board (PCB).
The advantage of the fixed sturcture of printed circuit board (PCB) is in the utility model liquid crystal display module: simple in structure, can realize quickly and easily that PWB assembles and dismantles in the liquid crystal display module, and more save man-hour and save the labour.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the rear view of present liquid crystal display module, does not wherein comprise diaphragm.
Fig. 2 is the part enlarged drawing among Fig. 1.
Fig. 3 is the side isometric view of Fig. 1.
Fig. 4 is the rear view of present liquid crystal display module, comprising diaphragm.
Fig. 5 is the front view of existing diaphragm.
Fig. 6 is the rear view of the utility model dorsulum.
Fig. 7 is that printed circuit board (PCB) is fixed on the structural representation on the backboard.
Fig. 8 is that printed circuit board (PCB) is fixed on the backboard, and the structural representation of covered with protective film.
Fig. 9 is the front view of diaphragm in the utility model.
Figure 10 is the another kind of structure front view of diaphragm in the utility model.
Figure 11 is the synoptic diagram that the utility model dorsulum is connected with printed circuit board (PCB) by the location convex closure.
[embodiment]
See also Fig. 6 to Fig. 8, the fixed sturcture of printed circuit board (PCB) comprises printed circuit board (PCB) 100, backboard 200 and diaphragm 300 in the utility model liquid crystal display module.
Printed circuit board (PCB) 100 is provided with connector 110, and connector 110 effects are the signals that receive from customer facility.
Described backboard 200 comprises at least one the first location convex closure 220 that is positioned at the bottom and is arranged on backboard 200 bottoms from the outside a plurality of backboard boss 210 that protrude of backboard 200 one, protrusion.Each backboard boss 210 be provided with one second the location convex closure 2110, this second the location convex closure 2110 can with the 210 one-body molded settings of backboard boss, also can be fixed on the backboard boss 210.This first the location convex closure 220 can with backboard 200 one-body molded settings, also can be fixed on the backboard 200.Because backboard boss 210 itself exceeds backboard 200 certain altitudes, so the height of the second location convex closure 2110 is lower than the height of the first location convex closure 220 slightly.
Be provided with first locating slot 120, be provided with second locating slot 130 corresponding to this first location convex closure 220 on this printed circuit board (PCB) 100 corresponding to the second location convex closure 2110.As preferred embodiment, this first location convex closure 220 can be arranged on the position corresponding to connector 110 both sides of printed circuit board (PCB) 100, and then described locating slot 120 is arranged on the both sides of the connector 110 of printed circuit board (PCB) 100.
This diaphragm 300 covers on the printed circuit board (PCB) 100; as shown in Figure 8; diaphragm 300 in the utility model is except having protection printed circuit board (PCB) 100; the effect that also has fixed printed circuit board 100; see also shown in Figure 9; front view for diaphragm in the utility model 300; this diaphragm 300 is stained with the adhesive tape 320 except the edge, two ends on long limit; edge, two ends at minor face is stained with adhesive tape 340 equally; the bottom side edge edge of the position alignment backboard 200 of dotted line wherein, thus can make diaphragm 300 regular being bonded on the backboard 200.As another embodiment; this diaphragm 300 also can be a structure as shown in figure 10; promptly not only increased minor face adhesive tape 340; and the area of adhesive tape 320 and adhesive tape 340 is all to diaphragm 300 inner increasing; thereby when diaphragm 300 covers on the printed circuit board (PCB) 100; all be bonded on the backboard 200 around the diaphragm 300, and have part diaphragm 300 to be bonded on the printed circuit board (PCB) 100 by adhesive tape 320 and adhesive tape 340, thus further fixed printed circuit board 100.
In the time of fixedly, at first printed circuit board (PCB) 100 is positioned on the described backboard boss 210, make first locating slot 120 of printed circuit board (PCB) 100 and second locating slot 130 aim at the location convex closure 220 of first on the backboard 200 respectively and the second location convex closure 2110 is depressed, when the first location convex closure 220 and the second location convex closure 2110 when being contained in first locating slot 120 and second locating slot 130 just respectively, printed circuit board (PCB) 100 tentatively is fixed on the backboard 200, as shown in figure 11, be the synoptic diagram that backboard 200 is connected with printed circuit board (PCB) 100 by the first location convex closure 220, the first location convex closure 220 is not higher than the plane of exposing of printed circuit board (PCB) 100.Backboard 200 is identical with printed circuit board (PCB) 100 syndetons with the first location convex closure 220 by the structure that the second location convex closure 2110 and printed circuit board (PCB) 100 connect, and repeats no more.This first location convex closure 220 and the second location convex closure 2110 play the effect of fixed printed circuit board 100 and conducting printed circuit board (PCB) 100 and backboard 200, and backboard boss 210 is mainly used in supporting printing board 100, prevents that part is impaired.When the first location convex closure 220 was arranged on position corresponding to connector 110 both sides of printed circuit board (PCB) 100, better fixed printed circuit board 100.Be bonded on the backboard 200 adjacent after then diaphragm 300 being aimed at printed circuit board (PCB) 100 with the edge of printed circuit board (PCB) 100.Because the edge of diaphragm 300 all has adhesive tape, therefore printed circuit board (PCB) 100 can be surrounded fully, even the edge part of diaphragm 300 with printed circuit board (PCB) 100 can be bonded together, play the effect of further fixed printed circuit board 100.When disassembling, only diaphragm 300 need be torn, just printed circuit board (PCB) 100 lifts and gets final product then.Therefore, use fixed sturcture of the present utility model, be more conducive to than prior art the liquid crystal display module printed circuit board (PCB) assembling and disassemble, more save man-hour.
Claims (4)
1. the fixed sturcture of printed circuit board (PCB) in the liquid crystal display module; comprise printed circuit board (PCB) and backboard; described backboard comprises a plurality of backboard boss that are positioned at the bottom and outwards protrude from the backboard one; described printed circuit board (PCB) is positioned on the described backboard boss; it is characterized in that: also comprise diaphragm; the whole edge of described diaphragm all is stained with adhesive tape; described diaphragm covers on the described printed circuit board (PCB), and described adhesive tape is bonded on the edge and the backboard adjacent with the printed circuit board (PCB) edge of printed circuit board (PCB) simultaneously.
2. the fixed sturcture of printed circuit board (PCB) in the liquid crystal display module as claimed in claim 1, it is characterized in that: also comprise and protrude at least one the first location convex closure that is arranged on the backboard bottom, be provided with first locating slot corresponding to this first location convex closure on the described printed circuit board (PCB).
3. the fixed sturcture of printed circuit board (PCB) in the liquid crystal display module as claimed in claim 2, it is characterized in that: the described first location convex closure is arranged on the position corresponding to the connector both sides of printed circuit board (PCB), and described first locating slot is arranged on the connector both sides of printed circuit board (PCB).
4. the fixed sturcture of printed circuit board (PCB) in the liquid crystal display module as claimed in claim 1, it is characterized in that: also comprise protruding being arranged on the location of second on each backboard boss convex closure, be provided with second locating slot corresponding to the second location convex closure on the described printed circuit board (PCB).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201033623U CN201266284Y (en) | 2008-08-12 | 2008-08-12 | Fixed structure for printed circuit board of liquid crystal display die set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201033623U CN201266284Y (en) | 2008-08-12 | 2008-08-12 | Fixed structure for printed circuit board of liquid crystal display die set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266284Y true CN201266284Y (en) | 2009-07-01 |
Family
ID=40832658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201033623U Expired - Fee Related CN201266284Y (en) | 2008-08-12 | 2008-08-12 | Fixed structure for printed circuit board of liquid crystal display die set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266284Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652501A (en) * | 2016-03-28 | 2016-06-08 | 青岛海信电器股份有限公司 | Display device |
-
2008
- 2008-08-12 CN CNU2008201033623U patent/CN201266284Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652501A (en) * | 2016-03-28 | 2016-06-08 | 青岛海信电器股份有限公司 | 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: 20090701 Termination date: 20170812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |