CN207114979U - Vacuum tool for backlight white point detection - Google Patents
Vacuum tool for backlight white point detection Download PDFInfo
- Publication number
- CN207114979U CN207114979U CN201721010439.8U CN201721010439U CN207114979U CN 207114979 U CN207114979 U CN 207114979U CN 201721010439 U CN201721010439 U CN 201721010439U CN 207114979 U CN207114979 U CN 207114979U
- Authority
- CN
- China
- Prior art keywords
- standing groove
- seat board
- white point
- sealing gasket
- cover plate
- 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
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model provides a kind of vacuum tool for backlight white point detection, including seat board, lighting pressure head, cover plate and vacuum generator, cover plate hinge is connected to one end of seat board, the middle part of the upper surface of seat board is provided with the first standing groove for being used for placing backlight module, seat board is provided with the second standing groove for being used for placing golden finger in the marginal position of the first standing groove, lighting pressure head is located at the marginal position of the second standing groove, some pumping ducts are provided with seat board, the one end in some pumping ducts is distributed in the edge of the bottom surface of the first standing groove, the other end in some pumping ducts is connected after converging with vacuum generator, the lower surface of cover plate is glued in position corresponding with the four of the first standing groove edges is provided with sealing gasket, sealing gasket is provided with the projection for being used for closing opening in position corresponding with the opening of the second standing groove, cover plate is provided with detection mouth.The utility model is rational in infrastructure, it is not necessary to backlight module is pressed, reduces the damage of diaphragm；White point recall rate greatly improves.
Description
Technical field
The utility model belongs to display technology field, specifically a kind of vacuum tool for backlight white point detection.
Background technology
Backlight module is made up of Multilayer Film, gap be present between adjacent two pieces of diaphragms, in backlight module production process,
Dust, impurity can be mixed between diaphragm unavoidably or produces cut, can be produced after backlight is lighted on backlight module white
The bright spot of color.So can be detected after the completion of backlight module production to backlight module, defect is found and repaired in time.
The dust in backlight module, impurity or cut are carried out in detection process now, often by pressing plate pair
Backlight module is pressed, and the diaphragm made is mutually adjacent to, and better emerges from foreign matter.But it is possible that firmly during pressing
Excessive or firmly too small situation, conference of exerting oneself produce damage to backlight module；It is firmly too small and diaphragm can not be made complete
It is close together, appoints and so gap be present so that some foreign matters in gap can not be shown so that white point recall rate is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of vacuum tool for being used for backlight white point detection rational in infrastructure, solved
During using pressing plate pressing detection backlight white point, conference of exert oneself produces to backlight module to be damaged, firmly too small can make white point
The problem of recall rate is relatively low.
The purpose of this utility model realized by such technical scheme, it include seat board, lighting pressure head, cover plate and
Vacuum generator, the cover plate hinge are connected to one end of seat board, and the vacuum generator is fixedly installed on the lower surface of seat board,
The middle part of the upper surface of the seat board is provided with the first standing groove for being used for placing backlight module, and the seat board is in the first standing groove
Marginal position is provided with the second standing groove for being used for placing golden finger, and one side of second standing groove is provided with opening, the opening
The first standing groove and the second standing groove are connected, for the lighting pressure head on seat board, the lighting pressure head is located at the second standing groove
Marginal position, some pumping ducts are provided with the seat board, some described one end for being evacuated ducts are distributed in the first standing groove
Bottom surface edge, it is some it is described pumping ducts the other ends converge after is connected with vacuum generator, the lower surface of the cover plate
Glued in position corresponding with the four of the first standing groove edges and be provided with sealing gasket, the sealing gasket surrounds a square region, institute
State sealing gasket and the projection for being used for closing opening is provided with position corresponding with the opening of the second standing groove, the cover plate is provided with inspection
Mouth is surveyed, the outward flange of the detection mouth connects with the inward flange of the sealing gasket.
Use principle is：Backlight mould is being detected using the vacuum tool provided by the utility model detected for backlight white point
During impurity in group, backlight module is placed in the first standing groove first, then golden finger is placed in the second standing groove,
Then cover plate is covered, while covering cover plate, the projection on cover plate can push down the flexible electrical of connection golden finger and backlight
Road, and the opening of the second standing groove is blocked, the sealing gasket on cover plate is to backlight module edge and the first standing groove
Edge between gap blocked, now, the superiors' diaphragm, projection and the sealing gasket of backlight module are close by the first standing groove
The space of a closing is sealed into, is then extracted out the air in the first standing groove by being evacuated duct using vacuum generator,
Each diaphragm in the presence of atmospheric pressure in backlight module is adjacent to, and then lights backlight by lighting pressure head, is by detection mouth
White point on backlight module can be detected.Backlight module need not be pressed, reduce the damage of diaphragm；White point is examined
Extracting rate greatly improves.
Further, multiple breach are provided with the edge of first standing groove laterally, the inward flange of each breach
It is distributed in the side edge of the first standing groove, the one end in some pumping ducts in multiple breach, some pumpings
The other end in duct is connected after converging with vacuum generator.
Further, the sealing gasket and projection are made by soft silica gel.
Further, the sealing gasket is integrally formed with the projection.
Further, the lighting pressure head includes fixed part, handle portion and power on portion, and the fixed part includes bottom plate,
The bottom plate is fixedly arranged on seat board, and the first hinged seat and the second hinged seat are installed with the bottom plate, and the handle portion includes handle
Hand and kink, the kink are fixedly connected with handle, link position and the first hinge between the handle and kink
Be provided with connection sheet between joint chair, one end of the connection sheet and the first hinged seat hinge connection, the other end of the connection sheet with
Link position hinge connection between handle and kink, the power on portion include connecting portion and gland, the connection
The one end in portion is fixedly connected with gland, the downside at the on-fixed end of the connecting portion and the second hinged seat hinge connection, described
The upside at the on-fixed end of connecting portion and the on-fixed end hinge connection of kink, the lower surface of the gland are fixedly installed
Bearing piece, one end branch of the bearing piece enter in the second standing groove, and the bearing piece is propping up the lower surface into the second standing groove end provided with electricity
Source contact.
Further, the bottom of the seat board is provided with four pillars, and four pillars are divided into four angle positions of seat board
Put.
Beneficial effect is：By adopting the above-described technical solution, the utility model is rational in infrastructure, it is not necessary to backlight module
Pressed, reduce the damage of diaphragm；White point recall rate greatly improves.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of seat board in Fig. 1；
Fig. 3 is the upward view of Fig. 1 cover plates；
Fig. 4 is the upward view of seat board in Fig. 1；
Fig. 5 is the front view of lighting pressure head in Fig. 1；
Fig. 6 is the left view of lighting pressure head in Fig. 1；
Fig. 7 is the top view of lighting pressure head in Fig. 1.
In figure, 1, seat board；2nd, lighting pressure head；3rd, cover plate；4th, vacuum generator；5th, the first standing groove；6th, the second standing groove；
7th, it is evacuated duct；8th, sealing gasket；9th, projection；10th, detection mouth；11st, breach；12nd, bottom plate；13rd, the first hinged seat；14th, the second hinge
Joint chair；15th, handle；16th, kink；17th, connection sheet；18th, connecting portion；19th, gland；20th, bearing piece；21st, power contact；22、
Pillar.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the utility model includes seat board 1, lighting pressure head 2, cover plate 3 and vacuum generation
Device 4, the hinge of cover plate 3 are connected to one end of seat board 1, and vacuum generator 4 is fixedly installed on the lower surface of seat board 1, the upper end of seat board 1
The middle part in face is provided with the first standing groove 5 for being used for placing backlight module, and seat board 1 is provided with the marginal position of the first standing groove 5 and used
In the second standing groove 6 for placing golden finger, one side of the second standing groove 6 is provided with opening, the first standing groove of open communication 5 and second
Standing groove 6, for lighting pressure head 2 on seat board 1, lighting pressure head 2 is located at the marginal position of the second standing groove 6, if being provided with seat board 1
Dry tap stomata road 7, the one end in some pumping ducts 7 are distributed in the edge of the bottom surface of the first standing groove 5, some pumping ducts
7 other end is connected after converging with vacuum generator 4, and the lower surface of cover plate 2 is corresponding with four edges of the first standing groove 5
Position is viscous to be provided with sealing gasket 8, and sealing gasket 8 surrounds a square region, and sealing gasket 8 is corresponding with the opening of the second standing groove 6
Position is provided with the projection 9 for being used for closing opening, and cover plate 3 is provided with detection mouth 10, and the outward flange of detection mouth 10 is interior with sealing gasket 8
Side edge.
The depth of first standing groove 5 is identical with the thickness of backlight module, the size of the first standing groove 5 and backlight module it is big
Small adaptation.
Impurity in using the vacuum tool detection backlight module provided by the utility model detected for backlight white point
When, backlight module is placed in the first standing groove 5 first, then golden finger is placed in the second standing groove 6, then covered
Cover plate 3, while covering cover plate 3, the projection 9 on cover plate 3 can push down the flexible circuit of connection golden finger and backlight, and
The opening of second standing groove 6 is blocked, the sealing gasket 8 on cover plate 2 is to backlight module edge and the first standing groove 5
Gap between edge is blocked, and now, the superiors' diaphragm, projection 9 and the sealing gasket 8 of backlight module are by the first standing groove 5
The space of a closing is sealed to, is then taken out the air in the first standing groove 5 by being evacuated duct 7 using vacuum generator 4
Go out, each diaphragm in backlight module is adjacent under atmospheric pressure, then lights backlight by lighting pressure head 2, passes through inspection
Surveying mouth 10 can detect to the white point on backlight module.Backlight module need not be pressed, reduce the damage of diaphragm
It is bad；White point recall rate greatly improves.
As shown in Fig. 2 multiple breach 11, the inward flange of each breach 11 are provided with the edge of the first standing groove 5 laterally
It is distributed in the side edge of the first standing groove 5, the one end in some pumping ducts 7 in multiple breach 11, some pumping ducts 7
The other end converge after be connected with vacuum generator 4.After backlight module is put into the first standing groove 5, pumping duct 7 will not be entered
Row blocks, more smooth when being evacuated vacuum generator 4.
Sealing gasket 8 and projection 9 are made by soft silica gel.Soft silica gel is soft, and elasticity is good, and backlight module and first are put
The gap sealing effect put between groove 5 is good.
Sealing gasket 8 is integrally formed with projection 9.It is integrally formed, makes gap is not present between sealing gasket 8 and projection 9, reduce
The possibility of gas leakage.
As shown in Fig. 5, Fig. 6 and Fig. 7, lighting pressure head 2, which includes fixed part, handle portion and power on portion, fixed part, to be included
Bottom plate 12, bottom plate 12 are fixedly arranged on seat board 1, and the first hinged seat 13 and the second hinged seat 14, handle portion bag are installed with bottom plate 12
Include handle 15 and kink 16, kink 16 is fixedly connected with handle 15, the link position between handle 15 and kink 16 with
Connection sheet 17, one end of connection sheet 17 and the hinge connection of the first hinged seat 13 are provided between first hinged seat 13, connection sheet 17
Link position hinge connection between the other end and handle 15 and kink 16, power on portion include connecting portion 18 and gland
19, one end of connecting portion 18 is fixedly connected with gland 19, and the downside at the on-fixed end of connecting portion 18 is cut with scissors with the second hinged seat 14
Chain link, the upside at the on-fixed end of connecting portion 18 and the on-fixed end hinge connection of kink 16, the lower surface of gland 19
Bearing piece 20 is fixedly installed, one end branch of bearing piece 20 enters in the second standing groove 6, and bearing piece 20 is propping up the lower end into the second standing groove end
Face is provided with power contact 21.
In use, pulling down handle 15, connection sheet 17 and the link position of handle 15 and kink 16 are hinged that one end
It can be rotated down as axle using the jointed shaft of the first hinged seat 13, kink 16 can be produced during connection sheet 17 rotates down
A raw thrust forward, kink 16 then promote forward the upside at the on-fixed end of connecting portion 18, the on-fixed of connecting portion 18
The upside at end drives gland 19 to rotate down, gland 19 then using the jointed shaft of the second hinged seat 14 as pivoted downward
Bearing piece 20 is driven to move downward, until the power contact 21 in bearing piece 20 contacts with golden finger, you can make the back of the body in backlight module
Light source switches power supply.
As shown in Figure 1, Figure 2 and Figure 4, the bottom of seat board is provided with four pillars 22, and four pillars 22 are divided into the four of seat board 1
Individual angular position.Four root posts 22 are used to support seat board 1.
Embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, every profit
The equivalent structure made with the utility model specification and accompanying drawing content, directly or indirectly it is used in other related technology necks
Domain, similarly within scope of patent protection of the present utility model.
Claims (6)
1. the vacuum tool for backlight white point detection, it is characterised in that：Occur including seat board, lighting pressure head, cover plate and vacuum
Device, the cover plate hinge are connected to one end of seat board, and the vacuum generator is fixedly installed on the lower surface of seat board, the seat board
The middle part of upper surface be provided with and be used to place the first standing groove of backlight module, marginal position of the seat board in the first standing groove
Provided with the second standing groove for placing golden finger, one side of second standing groove is provided with opening, the open communication first
Standing groove and the second standing groove, for the lighting pressure head on seat board, the lighting pressure head is located at the margin location of the second standing groove
Put, some pumping ducts are provided with the seat board, the one end in some pumping ducts is distributed in the bottom surface of the first standing groove
Edge, the other ends in some pumping ducts are connected after converging with vacuum generator, and the lower surface of the cover plate is with first
Position corresponding to four edges of standing groove is viscous to be provided with sealing gasket, and the sealing gasket surrounds a square region, the sealing gasket
The projection for being used for closing opening is provided with position corresponding with the opening of the second standing groove, the cover plate is provided with detection mouth, institute
The outward flange for stating detection mouth connects with the inward flange of the sealing gasket.
2. the vacuum tool for backlight white point detection as claimed in claim 1, it is characterised in that：First standing groove
Multiple breach are provided with edge laterally, each side edge of the inward flange of the breach with the first standing groove, Ruo Gansuo
State pumping duct one end be distributed in multiple breach, it is some it is described pumping ducts the other ends converge after with vacuum generator phase
Even.
3. the vacuum tool for backlight white point detection as claimed in claim 1, it is characterised in that：The sealing gasket and projection
It is made by soft silica gel.
4. the vacuum tool for backlight white point detection as claimed in claim 1, it is characterised in that：The sealing gasket with it is described
Projection is integrally formed.
5. the vacuum tool for backlight white point detection as claimed in claim 1, it is characterised in that：The lighting pressure head includes
Fixed part, handle portion and power on portion, the fixed part include bottom plate, and the bottom plate is fixedly arranged on seat board, on the bottom plate
The first hinged seat and the second hinged seat are installed with, the handle portion includes handle and kink, and the kink is consolidated with handle
It is fixed to connect, connection sheet is provided between the link position and the first hinged seat between the handle and kink, the connection sheet
One end and the first hinged seat hinge connection, the link position hinge between the other end and handle and kink of the connection sheet connect
Connect, the power on portion includes connecting portion and gland, and one end of the connecting portion is fixedly connected with gland, the connection
The downside at the on-fixed end in portion and the second hinged seat hinge connection, the upside at the on-fixed end of the connecting portion and kink it is non-
Fixing end hinge connection, the lower surface of the gland are fixedly installed bearing piece, and one end branch of the bearing piece enters the second standing groove
Interior, the bearing piece is provided with power contact propping up the lower surface into the second standing groove end.
6. the vacuum tool for backlight white point detection as claimed in claim 1, it is characterised in that：The bottom of the seat board is set
There are four pillars, four pillars are divided into four angular positions of seat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010439.8U CN207114979U (en) | 2017-08-11 | 2017-08-11 | Vacuum tool for backlight white point detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010439.8U CN207114979U (en) | 2017-08-11 | 2017-08-11 | Vacuum tool for backlight white point detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114979U true CN207114979U (en) | 2018-03-16 |
Family
ID=61578761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721010439.8U Expired - Fee Related CN207114979U (en) | 2017-08-11 | 2017-08-11 | Vacuum tool for backlight white point detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820454A (en) * | 2018-07-19 | 2018-11-16 | 合肥福映光电有限公司 | A kind of Anti-stopping fixture for preventing diaphragm from shifting |
| CN109540471A (en) * | 2018-12-25 | 2019-03-29 | 东莞市彤光电子科技有限公司 | A kind of jig for improving backlight product and being bonded with pressure inspection film vacuum suction |
-
2017
- 2017-08-11 CN CN201721010439.8U patent/CN207114979U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820454A (en) * | 2018-07-19 | 2018-11-16 | 合肥福映光电有限公司 | A kind of Anti-stopping fixture for preventing diaphragm from shifting |
| CN109540471A (en) * | 2018-12-25 | 2019-03-29 | 东莞市彤光电子科技有限公司 | A kind of jig for improving backlight product and being bonded with pressure inspection film vacuum suction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20210811 |