CN109782469A - A kind of liquid crystal display device and its assemble method - Google Patents
A kind of liquid crystal display device and its assemble method Download PDFInfo
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- CN109782469A CN109782469A CN201910124276.3A CN201910124276A CN109782469A CN 109782469 A CN109782469 A CN 109782469A CN 201910124276 A CN201910124276 A CN 201910124276A CN 109782469 A CN109782469 A CN 109782469A
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- barricade
- circuit board
- liquid crystal
- crystal display
- printed circuit
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Abstract
The present invention provides a kind of liquid crystal display device and its assemble methods.The liquid crystal display device includes liquid crystal display panel, bracket and printed circuit board.Bracket is set to the back side of liquid crystal display panel.Each hook part of bracket has the first barricade, perpendicular to the plane where liquid crystal display panel；And second barricade, it is oppositely arranged with the first barricade.The first spacing and the second spacing are respectively provided between first barricade and the respective top and bottom of the second barricade, and the first spacing is less than the second spacing.Each clamping part of printed circuit board hook part corresponding to bracket is cooperated.Using the present invention, the first barricade and the second barricade is arranged in each hook part of bracket, and first spacing of two barricades respectively between top is less than second spacing of two barricade respectively between bottom, when printed circuit board is fixed to bracket, fixed function can be played to printed circuit board by the clamping function between two barricades top, and then improve the packaging efficiency of producing line.
Description
Technical field
The present invention relates to a kind of display device, more particularly to it is a kind of can convenient fixing printed circuit plate liquid crystal display device
And its assemble method.
Background technique
Liquid crystal display (Liquid Crystal Display, LCD) due to have slimming, light-weight, low power consumption and
The advantages that Low emissivity, is widely used to various display occasions now.In general, liquid crystal display mainly includes liquid crystal surface
Plate and backlight module (Back Light Unit, BLU) provide the light source of liquid crystal display panel using backlight module, and with electric signal control
Liquid crystal molecule direction in liquid crystal display panel processed, to show image.
Furthermore, liquid crystal display device includes a panel and the printed circuit board for being set to the panel side
(Printed Circuit Board, PCB), and flexible circuit board (Flexible is equipped between the panel and the printed circuit board
Printed Circuit, FPC), as signal transmission interface between the two.However, circuit board may be with panel not at same
One plane, and it is perpendicular to one another, thus after flexible circuit board connection panel and circuit board, bending state may be showed.
In the prior art, the pcb board of the liquid crystal display die set of back iron frame (Rear bezel) framework is designed as outer be hung on
Below mould group, and the pcb board is fixed on the bracket of Rear bezel by way of lock screw.In module group assembling process
And during transporting, which often occurs to be impacted by external collision and cause flexible circuit board that can not support without screw bearing
Shock resistance external force in turn results in printed circuit board and mutually removes with the flexible circuit board on liquid-crystalline glasses.Further, since printed circuit
Plate is fixed using screw locking, is needed to prepare a large amount of screw when assembling the production line and is locked tool (such as electric screw driver), locks
Screw can reduce the packaging efficiency of producing line.Furthermore during screw locking, if electric screw driver locks dynamics setting not
When or hole processing it is improper, it may appear that the problem of screw sliding teeth, cause printed circuit board that can not be clamped securely to Rear
On the bracket of bezel.
In view of this, how to design it is a kind of can convenient fixing printed circuit plate liquid crystal display device and its assemble method,
To eliminate drawbacks described above or deficiency in the prior art, producing line packaging efficiency is improved, is that related technical personnel are urgently to be resolved in the industry
A project.
Summary of the invention
For the printed circuit board in the prior art drawbacks described above existing when being fixed to liquid crystal display panel, this hair
It is bright provide it is a kind of it is novel, can convenient fixing printed circuit plate liquid crystal display device and its assemble method.
According to one aspect of the present invention, provide a kind of liquid crystal display device, comprising: liquid crystal display panel: bracket is set to
The back side of the liquid crystal display panel, the bracket include two hook parts, and each hook part includes the first barricade, perpendicular to described
Plane where liquid crystal display panel；And second barricade, it is oppositely arranged with first barricade, wherein first barricade and institute
Stating has the first spacing between the respective top of the second barricade, between first barricade and the respective bottom of the second barricade
With the second spacing, first spacing is less than second spacing；And printed circuit board, including two clamping parts, it is each
Clamping part hook part corresponding to the bracket is cooperated, so that the printed circuit board be made to be fixed to the bracket.
Printed circuit board, including two clamping parts, each clamping part hook part corresponding to the bracket are cooperated, from
And the printed circuit board is made to be fixed to the bracket.
Preferably, bracket includes the first hook part and the second hook part, wherein first hook part and second card
Hook part is arranged in parallel.
Preferably, bracket includes the first hook part and one second hook part, wherein first hook part and described second
The respective extending direction of hook part is perpendicular.
Preferably, every clamping part of printed circuit board includes opening, described to open when printed circuit board is fixed to the bracket
Mouth is matched with first barricade, so that the printed circuit board be made to be embedded between first barricade and second barricade
Region.
Preferably, the opening, which arrives, has third spacing between the edge of the printed circuit board, and between the third
Away from greater than first spacing.
Preferably, first barricade also has the first width, and second barricade also has the second width, wherein institute
The first width is stated less than second width.
Preferably, liquid crystal display device further includes at least flexible circuit board, to connect the liquid crystal display panel and the print
Printed circuit board, as the signal transmission interface between the liquid crystal display panel and the printed circuit board.
According to another aspect of the invention, a kind of assemble method of above-mentioned liquid crystal display device, the assembling side are provided
Method the following steps are included:
A) side of a flexible circuit board is fixedly attached to the liquid crystal display panel；
B) other side of the flexible circuit board is fixedly attached to the printed circuit board；
C) printed circuit board is rotated；
D) cooperate the clamping part of the printed circuit board is corresponding to the progress of the hook part of the bracket, to make the printing electricity
Road plate is fixed to the bracket.
Preferably, the bracket include the first hook part and one second hook part, wherein first hook part with it is described
Second hook part is arranged in parallel.
Preferably, the bracket include the first hook part and one second hook part, wherein first hook part with it is described
Second hook part is arranged in parallel.
Preferably, each clamping part of the printed circuit board includes an opening, wherein the step d) further include: will
The opening is aligned with first barricade；The printed circuit board is pressed, first barricade is made to pass through the opening, thus
A part of the printed circuit board is embedded in the region between first barricade and second barricade.
Using liquid crystal display device and its assemble method of the invention, the bracket for being set to liquid crystal display panel back side includes two
Hook part, and printed circuit board includes two clamping parts, by the way that each hook part is cooperated with corresponding clamping part, from
And the printed circuit board is made to be fixed to bracket.Since each hook part of bracket has the first barricade and the second barricade, and the
One barricade and the second barricade respectively the first spacing between top less than between second between the first barricade and the second barricade respectively bottom
Away from fixed make can be played to printed circuit board by the clamping function between at the top of two barricades when printed circuit board is fixed to bracket
With, and then significantly improve the packaging efficiency of producing line.
Detailed description of the invention
Fig. 1 (a) is shown in a kind of liquid crystal display device of the prior art, the structure of the bracket to fixing printed circuit plate
Schematic diagram.
Fig. 1 (b) shows the status diagram that printed circuit board has been fixed using the bracket of Fig. 1 (a).
Fig. 2 (a) shows embodiment according to the present invention, the branch in liquid crystal display device to fixing printed circuit plate
The structural schematic diagram of one hook part of frame.
Fig. 2 (b) shows the structural schematic diagram of another hook part corresponding with the hook part of Fig. 2 (a).
Fig. 3 (a) shows another embodiment according to the present invention, to fixing printed circuit plate in liquid crystal display device
Bracket a hook part structural schematic diagram.
Fig. 3 (b) shows the structural schematic diagram of another hook part corresponding with the hook part of Fig. 3 (a).
Fig. 4 shows the first barricade of the hook part of Fig. 2 (a) or Fig. 3 (a) and the structural schematic diagram of the second barricade.
Fig. 5 shows the structural schematic diagram of the clamping part matched with the first barricade of Fig. 4 and the second barricade.
Fig. 6 is shown in liquid crystal display device of the invention, and the hook part of bracket is matched with the clamping part of printed circuit board
View.
Fig. 6 is shown in liquid crystal display device of the invention, and the hook part of bracket is matched with the clamping part of printed circuit board
View.
Fig. 7 is shown in liquid crystal display device of the invention, and the hook part of bracket is matched with the clamping part of printed circuit board
Another view.
Fig. 8 shows another embodiment according to the present invention, the group of the liquid crystal display device to fixing printed circuit plate
The flow diagram of dress method.
Specific embodiment
In order to keep techniques disclosed in this application content more detailed with it is complete, can refer to attached drawing and of the invention following
Various specific embodiments, identical label represents the same or similar component in attached drawing.However, those skilled in the art
It should be appreciated that embodiment provided hereinafter is not intended to limit the invention covered range.In addition, attached drawing is used only for
It is schematically illustrated, and is drawn not according to its full size.
Fig. 1 (a) is shown in a kind of liquid crystal display device of the prior art, the structure of the bracket to fixing printed circuit plate
Schematic diagram, Fig. 1 (b) show the status diagram that printed circuit board has been fixed using the bracket of Fig. 1 (a).
(a) and Fig. 1 (b) referring to Fig.1, the liquid crystal display device in the prior art include liquid crystal display panel 100 and setting
In the printed circuit board 108 of 100 reverse side of liquid crystal display panel.It is equipped between the liquid crystal display panel 100 and the printed circuit board 108 soft
Property circuit board 110, carries out signal transmission by the flexible circuit board 110 between liquid crystal display panel 100 and printed circuit board 108.
In addition, the reverse side in liquid crystal display panel 100 includes bracket 102, which, which offers, locks hole 104.Work as print
When printed circuit board 108 is fixed, the screw-in of lock screw 106 is locked into hole 104 to which printed circuit board 108 is fixed to bracket 102.
From the foregoing it will be appreciated that must prepare a large amount of screw when assembling the production line when printed circuit board 108 is using screw locking and lock work
Tool, this can reduce the packaging efficiency of producing line significantly.In addition, if electric screw driver locks that dynamics is improper or hole processing
The problem of size is bad, there is also screw sliding teeth, causes printed circuit board that can not be clamped securely on bracket 102.
In order to efficiently solve drawbacks described above in the prior art, the present invention provides a kind of novel liquid crystal display devices
Framework and its assemble method.Fig. 2 (a) shows embodiment according to the present invention, to fixing printing in liquid crystal display device
The structural schematic diagram of one hook part of the bracket of circuit board, Fig. 2 (b) show another hook corresponding with the hook part of Fig. 2 (a)
The structural schematic diagram in portion.
Referring to Fig. 2 (a) and Fig. 2 (b), liquid crystal display device includes a liquid crystal display panel 200, bracket 202 and printed circuit board.
Wherein, bracket 202 is set to the side at the back side of liquid crystal display panel 200, which includes two hook parts, that is, the first hook
Portion 21 and the second hook part 23.
In Fig. 2 (a), the first hook part 21 has the first barricade 204 and the second barricade 206.Wherein, the first barricade 204
With the second barricade 206 perpendicular to the plane where liquid crystal display panel 200, for example, when the plane where liquid crystal display panel 200 is horizontal plane
When, the first barricade 204 and the second barricade 206 are vertically arranged and perpendicular to the horizontal plane.Similarly, the second hook part 23 also has
The first barricade 204 and the second barricade 206 being oppositely arranged, as shown in Fig. 2 (b).
In a particular embodiment, the first hook part 21 and the second hook part 23 are arranged in parallel.For example, the first hook part 21
First barricade 204 and the second barricade 206 are parallel to each other, and are parallel to prolonging for the edge that liquid crystal display panel 200 is connected with bracket 202
Stretch direction；The first barricade 204 and the second barricade 206 of second hook part 23 are parallel to each other, and are parallel to liquid crystal display panel 200 and branch
The extending direction at the edge that frame 202 is connected.
In another embodiment, the first hook part 21 and the respective extending direction of the second hook part 23 are perpendicular.Example
Such as, the first barricade 204 of the first hook part 21 and the second barricade 206 are parallel to each other, and are parallel to liquid crystal display panel 200 and bracket
The extending direction at 202 edges being connected, as shown in Fig. 3 (a)；The first barricade 204 and the second barricade 206 of second hook part 23
Although parallel to each other, side that the first barricade 204 is connected perpendicular to liquid crystal display panel 200 with bracket 202 with the second barricade 206
The extending direction of edge, as shown in Figure 3 (b).
In addition, the liquid crystal display device further includes at least flexible circuit board (not shown).The flexible circuit board to
Liquid crystal display panel 200 and printed circuit board are connected, as the signal transmission interface between liquid crystal display panel 200 and printed circuit board.
In addition, the liquid crystal display device further includes at least flexible circuit board (not shown).The flexible circuit board to
Liquid crystal display panel 200 and printed circuit board are connected, as the signal transmission interface between liquid crystal display panel 200 and printed circuit board.
In addition, the first barricade 204 also has the first width W1, the second barricade 206 also has the second width W2, and first
Width W1 is less than the second width W2.
Fig. 4 shows the first barricade of the hook part of Fig. 2 (a) or Fig. 3 (a) and the structural schematic diagram of the second barricade.Fig. 5 is shown
The structural schematic diagram of the clamping part matched with the first barricade of Fig. 4 and the second barricade.
Referring to Fig. 4 and Fig. 5, the top of the first barricade 204 indicates that the bottom of the first barricade 204 is with letter b 2 with letter b 1
It indicates, the top of the second barricade 206 indicates that the bottom of the second barricade 206 is indicated with alphabetical A2 with alphabetical A1.In liquid of the invention
In crystal device, the second barricade 206 is oppositely arranged with the first barricade 204.First barricade 204 and the second barricade 206 are respective
There is the first spacing L1 between top.There is the second spacing L2 between first barricade 204 and the respective bottom of the second barricade 206,
And first spacing L1 less than the second spacing L2.For example, the top of the second barricade 206 is bent towards the first barricade 205, thus between making
It is less than spacing L2 away from L1.
Printed circuit board 208 include two clamping parts, each clamping part hook part corresponding to bracket (hook part 21 or
23) cooperated, so that printed circuit board 208 be made to be fixed to bracket 202.Preferably, each clamping part of printed circuit board 208
Including an opening 210(as shown in the sectional view of Fig. 4).When printed circuit board 208 is fixed to bracket 202, opening 210 and first
Barricade 204 matches, so that printed circuit board 208 be made to be embedded in the region between the first barricade 204 and the second barricade 206.
In a particular embodiment, if letter a1 indicates the clamping part of printed circuit board 208 close to the bottom end at its edge, letter
B1 indicates the clamping part of printed circuit board 208 close to the bottom end of opening 210.Opening 210 is between the edge of printed circuit board 208
It is greater than the first spacing between the first barricade 204 and the respective top of the second barricade 206 with third spacing L3, the third spacing L3
L1。
It can be seen from the above, when printed circuit board 208 is fixed to bracket 202, due to the clamping part of printed circuit board 208
Third spacing L3 is greater than the first spacing L1 between the first barricade 204 and the respective top of the second barricade 206, thus using two gears
Clamping function between wall top portion plays fixed function to printed circuit board.Compared with the prior art, the present invention is in fixing printed circuit
It, can be firm using the snap-on design of bracket and printed circuit board itself without any lock screw or electric screw driver when plate
Ground fixing printed circuit plate, and then improve the packaging efficiency of producing line.
Fig. 6 is shown in liquid crystal display device of the invention, and the hook part of bracket is matched with the clamping part of printed circuit board
View, Fig. 7 shows in liquid crystal display device of the invention, and the hook part of bracket is matched with the clamping part of printed circuit board
Another view.
Referring to Fig. 6, when pressing pressing printed circuit board 208, since third spacing L3 is greater than the first spacing L1, its buckle is utilized
Portion is with the amount of interference between the first barricade 204 and the respective top of the second barricade 206, so that printed circuit board 208 is fixed to branch
Frame 202.At this point, in the opening 210 of the first barricade 204 insertion clamping part, the side of 206 backstop printed circuit board 208 of the second barricade
Edge makes printed circuit board 208 and the firm fixation of bracket 202, as shown in Figure 7.
Fig. 8 shows another embodiment according to the present invention, the group of the liquid crystal display device to fixing printed circuit plate
The flow diagram of dress method.
Step is first carried out in the assemble method of above-mentioned liquid crystal display device referring to Fig. 8, and in conjunction with Fig. 2~Fig. 7
The side of flexible circuit board is fixedly attached to liquid crystal display panel 200 by S11.Then, in step s 13, by the flexible circuit board
The other side is fixedly attached to printed circuit board 208.Then, it executes in step S15, rotates the printed circuit board 208, make its direction
The first hook part 21 and the second hook part 23 of bracket 202.Finally, in step S17, by the clamping part of printed circuit board 208
It is corresponding to the progress of the hook part of bracket 202 to cooperate, so that printed circuit board 208 be made to be fixed to bracket 202.
In a particular embodiment, each clamping part of the printed circuit board 208 includes opening 210.In above-mentioned steps S17
In, opening 210 is aligned with the first barricade 204, then presses pressing printed circuit board 208, first barricade 204 is made to pass through opening
210, thus by the region between a part the first barricade 204 of insertion of printed circuit board 208 and the second barricade 206.
Using liquid crystal display device and its assemble method of the invention, the bracket for being set to liquid crystal display panel back side includes two
Hook part, and printed circuit board includes two clamping parts, by the way that each hook part is cooperated with corresponding clamping part, from
And the printed circuit board is made to be fixed to bracket.Since each hook part of bracket has the first barricade and the second barricade, and the
One barricade and the second barricade respectively the first spacing between top less than between second between the first barricade and the second barricade respectively bottom
Away from fixed make can be played to printed circuit board by the clamping function between at the top of two barricades when printed circuit board is fixed to bracket
With, and then significantly improve the packaging efficiency of producing line.
Above, a specific embodiment of the invention is described with reference to the accompanying drawings.But those skilled in the art
It is understood that without departing from the spirit and scope of the present invention, can also make to a specific embodiment of the invention each
Kind change and replacement.These changes and replacement are all fallen within the scope of the invention as defined in the claims.
Claims (10)
1. a kind of liquid crystal display device, which is characterized in that the liquid crystal display device includes: liquid crystal display panel: bracket is set to institute
The back side of liquid crystal display panel is stated, the bracket includes two hook parts, and each hook part includes the first barricade, perpendicular to the liquid
Plane where crystal panel；And second barricade, be oppositely arranged with first barricade, wherein first barricade with it is described
There is the first spacing between the respective top of second barricade, have between first barricade and the respective bottom of the second barricade
There is the second spacing, first spacing is less than second spacing；And a printed circuit board, including two clamping parts, it is each
Clamping part hook part corresponding to the bracket is cooperated, so that the printed circuit board be made to be fixed to the bracket.
2. liquid crystal display device according to claim 1, which is characterized in that the bracket includes the first hook part and second
Hook part, wherein first hook part and second hook part are arranged in parallel.
3. liquid crystal display device according to claim 1, which is characterized in that the bracket includes the first hook part and second
Hook part, wherein first hook part and the respective extending direction of the second hook part are perpendicular.
4. liquid crystal display device according to claim 1, which is characterized in that each clamping part packet of the printed circuit board
Opening is included, when the printed circuit board is fixed to the bracket, the opening is matched with first barricade, to make institute
State the region that printed circuit board is embedded between first barricade and second barricade.
5. liquid crystal display device according to claim 1, which is characterized in that the opening arrives the side of the printed circuit board
There is third spacing, and the third spacing is greater than first spacing between edge.
6. liquid crystal display device according to claim 1, which is characterized in that first barricade also has the first width,
Second barricade also has the second width, wherein first width is less than second width.
7. liquid crystal display device according to claim 1, which is characterized in that the liquid crystal display device further includes at least soft
Property circuit board, to connect the liquid crystal display panel and the printed circuit board, as the liquid crystal display panel and the printed circuit
Signal transmission interface between plate.
8. a kind of assemble method of liquid crystal display device as described in claim 1, which is characterized in that the assemble method includes
Following steps:
A) side of a flexible circuit board is fixedly attached to the liquid crystal display panel；
B) other side of the flexible circuit board is fixedly attached to the printed circuit board；
C) printed circuit board is rotated；
D) cooperate the clamping part of the printed circuit board is corresponding to the progress of the hook part of the bracket, to make the printing electricity
Road plate is fixed to the bracket.
9. assemble method according to claim 8, which is characterized in that the bracket includes the first hook part and the second hook
Portion, wherein first hook part and second hook part are arranged in parallel.
10. assemble method according to claim 8, which is characterized in that each clamping part of the printed circuit board includes
Opening, wherein the step d) further include: be aligned the opening with first barricade；And the pressing printed circuit
Plate makes first barricade pass through the opening, thus by a part of the printed circuit board be embedded in first barricade with
Region between second barricade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124276.3A CN109782469A (en) | 2019-04-01 | 2019-04-01 | A kind of liquid crystal display device and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124276.3A CN109782469A (en) | 2019-04-01 | 2019-04-01 | A kind of liquid crystal display device and its assemble method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109782469A true CN109782469A (en) | 2019-05-21 |
Family
ID=66503404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910124276.3A Withdrawn CN109782469A (en) | 2019-04-01 | 2019-04-01 | A kind of liquid crystal display device and its assemble method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109782469A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123422A (en) * | 2013-01-17 | 2013-05-29 | 友达光电（苏州）有限公司 | Liquid crystal display device and assembling method thereof |
-
2019
- 2019-04-01 CN CN201910124276.3A patent/CN109782469A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123422A (en) * | 2013-01-17 | 2013-05-29 | 友达光电（苏州）有限公司 | Liquid crystal display device and assembling method thereof |
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Application publication date: 20190521 |