CN103123422A - Liquid crystal display device and assembling method thereof - Google Patents
Liquid crystal display device and assembling method thereof Download PDFInfo
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- CN103123422A CN103123422A CN 201310016927 CN201310016927A CN103123422A CN 103123422 A CN103123422 A CN 103123422A CN 201310016927 CN201310016927 CN 201310016927 CN 201310016927 A CN201310016927 A CN 201310016927A CN 103123422 A CN103123422 A CN 103123422A
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- circuit board
- liquid crystal
- barricade
- printed circuit
- pcb
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Abstract
The invention provides a liquid crystal display device and an assembling method of the liquid crystal display device. The liquid crystal display device comprises a liquid crystal panel, a support and a printed circuit board. The support is arranged on the back side of the crystal panel. Each clamping and hooking portion of the support is provided with a first dead wall which is perpendicular to the plane where the liquid crystal panel is arranged and a second dead wall which is arranged opposite to the first dead wall. First spaces and second space are respectively formed between the top portions and the bottom portions of the first dead wall and the second dead wall, and the first spaces are smaller than the second spaces. Each clamping and hooking portion of the printed circuit board is matched with the corresponding clamping and hooking portion of the support. According to the liquid crystal display device, the first dead wall and the second dead wall are arranged on each clamping and hooking portion of the support, and the first spaces between the top portions of the two dead walls is smaller than the second spaces between the bottom portions of the two dead walls. When the printed circuit board is fixed on the support, a fixing function can be played to the printed circuit board through the clamping function of the top portions of the two dead walls, and therefore the assembling efficiency of a production line is improved.
Description
Technical field
The present invention relates to a kind of display device, relate in particular to a kind of liquid crystal indicator and assemble method thereof that can convenient fixed printed circuit board.
Background technology
Liquid crystal display (Liquid Crystal Display, LCD) has been widely used in various demonstration occasions now owing to having the advantages such as slimming, lightweight, low power consumption and low radiation.In general, liquid crystal display mainly comprises liquid crystal panel and backlight module (Back Light Unit, BLU), utilizes backlight module that the light source of liquid crystal panel is provided, and controls liquid crystal molecule direction in liquid crystal panel with electric signal, with show image.
Furthermore, liquid crystal indicator comprises a panel and is arranged at the printed circuit board (PCB) of this panel one side (Printed Circuit Board, PCB), and be provided with a flexible circuit board (Flexible Printed Circuit between this panel and this printed circuit board (PCB), FPC), as between the two signal transmission interface.Yet circuit board may be not to be positioned at same plane with panel, and is perpendicular to one another, thereby after flexible circuit board connection panel and circuit board, may present bending state.
In the prior art, the pcb board of the liquid crystal display module of back iron frame (Rear bezel) framework is designed to outer being hung on below module, and by the mode that locks screw, this pcb board is fixed on the support of Rear bezel.In the module group assembling process and during transporting, this design architecture often is subjected to the external force collision impact and causes flexible circuit board can not resist impact external force without screw bearing, and then causes printed circuit board (PCB) and the flexible circuit board on liquid-crystalline glasses to peel off mutually.In addition, fix because printed circuit board (PCB) uses screw locking, need prepare a large amount of screws and lock instrument (as electric screw driver) when producing the line assembling, lock screw and can reduce the packaging efficiency that produces line.Moreover, improper if the dynamics that locks of electric screw driver arranges in the screw locking process, or hole processing is improper, the problem of the sliding tooth of screw can occur, causes printed circuit board (PCB) to be fixed on securely on the support of Rear bezel.
In view of this, how designing a kind of liquid crystal indicator and assemble method thereof that can convenient fixed printed circuit board, to eliminate defects of the prior art or deficiency, improve and produce the line packaging efficiency, is a problem needing to be resolved hurrily of person skilled in the industry.
Summary of the invention
For printed circuit board (PCB) of the prior art existing defects when being fixed to display panels, the invention provides liquid crystal indicator and assemble method thereof a kind of novelty, can convenient fixed printed circuit board.
According to one aspect of the present invention, a kind of liquid crystal indicator is provided, comprising:
One liquid crystal panel;
One support is arranged at the dorsal part of described liquid crystal panel, and described support comprises two hook parts, and each hook part has:
One first barricade is perpendicular to the plane at described liquid crystal panel place; And
One second barricade, be oppositely arranged with described the first barricade, wherein, have one first spacing between described the first barricade and described the second barricade top separately, have one second spacing between described the first barricade and described the second barricade bottom separately, described the first spacing is less than described the second spacing; And
One printed circuit board (PCB) comprises two clamping parts, and each clamping part coordinates with the corresponding hook part of described support, thereby makes described printed circuit board (PCB) be fixed to described support.
Preferably, support comprises one first hook part and one second hook part, and wherein, described the first hook part and described the second hook part are arranged in parallel.
Preferably, support comprises one first hook part and one second hook part, and wherein, described the first hook part and described the second hook part bearing of trend separately are perpendicular.
Preferably, each clamping part of printed circuit board (PCB) comprises an opening, and when printed circuit board (PCB) was fixed to this support, described opening matched with described the first barricade, thereby makes the zone between described printed circuit board (PCB) described the first barricade of embedding and described the second barricade.
Preferably, described opening is to having one the 3rd spacing between the edge of described printed circuit board (PCB), and described the 3rd spacing is greater than described the first spacing.
Preferably, described the first barricade also has one first width, and described the second barricade also has one second width, and wherein, described the first width is less than described the second width.
Preferably, liquid crystal indicator also comprises at least one flexible circuit board, in order to connect described liquid crystal panel and described printed circuit board (PCB), as the signal transmission interface between described liquid crystal panel and described printed circuit board (PCB).
According to another aspect of the present invention, a kind of assemble method of above-mentioned liquid crystal indicator is provided, this assemble method comprises the following steps:
A) side with a flexible circuit board is fixedly attached to described liquid crystal panel;
B) opposite side with described flexible circuit board is fixedly attached to described printed circuit board (PCB);
C) rotate described printed circuit board (PCB); And
D) clamping part with described printed circuit board (PCB) carries out corresponding the cooperation with the hook part of described support, thereby makes described printed circuit board (PCB) be fixed to described support.
Preferably, described support comprises one first hook part and one second hook part, and wherein, described the first hook part and described the second hook part are arranged in parallel.
Preferably, each clamping part of described printed circuit board (PCB) comprises an opening, and wherein, described step d) also comprises: described opening is alignd with described the first barricade; Press described printed circuit board (PCB), make described the first barricade pass described opening, thereby with a part described first barricade of embedding of described printed circuit board (PCB) and the zone between described the second barricade.
Adopt liquid crystal indicator of the present invention and assemble method thereof, the support that is arranged at the liquid crystal panel dorsal part comprises two hook parts, and printed circuit board (PCB) comprises two clamping parts, by each hook part is coordinated with corresponding clamping part, thereby makes this printed circuit board (PCB) be fixed to support.Because each hook part of support has the first barricade and the second barricade, and the first barricade and the second barricade separately the first spacing between the top less than the first barricade and the second barricade the second spacing between the bottom separately, when printed circuit board (PCB) is fixed to support, can play fixation to printed circuit board (PCB) by the holding function between two barricade tops, and then significantly improve the packaging efficiency that produces line.
Description of drawings
The reader will become apparent various aspects of the present invention after the reference accompanying drawing has been read the specific embodiment of the present invention.Wherein,
Fig. 1 (a) illustrates in a kind of liquid crystal indicator of prior art, in order to the structural representation of the support of fixed printed circuit board;
Fig. 1 (b) illustrates the view that the support that adopts Fig. 1 (a) has fixed printed circuit board (PCB);
Fig. 2 (a) illustrates according to one embodiment of the present invention, in liquid crystal indicator in order to the structural representation of a hook part of the support of fixed printed circuit board;
Fig. 2 (b) illustrates the structural representation of another hook part corresponding with the hook part of Fig. 2 (a);
Fig. 3 (a) illustrates according to another embodiment of the present invention, in liquid crystal indicator in order to the structural representation of a hook part of the support of fixed printed circuit board;
Fig. 3 (b) illustrates the structural representation of another hook part corresponding with the hook part of Fig. 3 (a);
Fig. 4 illustrates the first barricade of hook part of Fig. 2 (a) or Fig. 3 (a) and the structural representation of the second barricade;
Fig. 5 illustrates the structural representation of the clamping part that matches with the first barricade and the second barricade of Fig. 4;
Fig. 6 illustrates in liquid crystal indicator of the present invention, the view that the hook part of support matches with the clamping part of printed circuit board (PCB);
Fig. 7 illustrates in liquid crystal indicator of the present invention, another view that the hook part of support matches with the clamping part of printed circuit board (PCB); And
Fig. 8 illustrates according to another embodiment of the present invention, in order to the FB(flow block) of the assemble method of the liquid crystal indicator of fixed printed circuit board.
Embodiment
For technology contents that the application is disclosed is more detailed and complete, can be with reference to accompanying drawing and following various specific embodiments of the present invention, in accompanying drawing, identical mark represents same or analogous assembly.Yet those of ordinary skill in the art should be appreciated that the embodiment that hereinafter provides limits the scope that the present invention is contained.In addition, accompanying drawing only is used for schematically being illustrated, and does not draw according to its life size.
Fig. 1 (a) illustrates in a kind of liquid crystal indicator of prior art, and in order to the structural representation of the support of fixed printed circuit board, Fig. 1 (b) illustrates the view that the support that adopts Fig. 1 (a) has fixed printed circuit board (PCB).
With reference to Fig. 1 (a) and Fig. 1 (b), the printed circuit board (PCB) 108 that this liquid crystal indicator of the prior art comprises a liquid crystal panel 100 and is arranged at these liquid crystal panel 100 back side one sides.108 of this liquid crystal panel 100 and this printed circuit board (PCB)s are provided with a flexible circuit board 110, carry out the signal transmission by this flexible circuit board 110 at liquid crystal panel 100 and 108 of printed circuit board (PCB)s.
In addition, a side comprises a support 102 at the back side of liquid crystal panel 100, and this support 102 offers one and locks hole 104.When printed circuit board (PCB) 108 fixedly the time, screw in and lock hole 104 printed circuit board (PCB) 108 is fixed to support 102 thereby will lock screw 106.By as can be known aforementioned, when printed circuit board (PCB) 108 uses screw locking, must prepare a large amount of screws and lock instrument when producing the line assembling, this can reduce the packaging efficiency that produces line significantly.In addition, if the dynamics that locks of electric screw driver is improper or the hole processing size is bad, the problem of the sliding tooth of screw also can occur, cause printed circuit board (PCB) to be fixed on securely on support 102.
In order effectively to solve defects of the prior art, the invention provides a kind of liquid crystal indicator framework and assemble method thereof of novelty.Fig. 2 (a) illustrates according to one embodiment of the present invention, in order to the structural representation of a hook part of the support of fixed printed circuit board, Fig. 2 (b) illustrates the structural representation of another hook part corresponding with the hook part of Fig. 2 (a) in liquid crystal indicator.
With reference to Fig. 2 (a) and Fig. 2 (b), liquid crystal indicator comprises a liquid crystal panel 200, a support 202 and a printed circuit board (PCB).Wherein, support 202 is arranged at a side at the back side of liquid crystal panel 200, and this support 202 comprises two hook parts, that is, and and the first hook part 21 and the second hook part 23.
In Fig. 2 (a), the first hook part 21 has one first barricade 204 and one second barricade 206.Wherein, the first barricade 204 and the second barricade 206 be perpendicular to the plane at liquid crystal panel 200 places, and for example, when the plane at liquid crystal panel 200 places was surface level, the first barricade 204 and the second barricade 206 vertically arranged and perpendicular to this surface level.Similarly, the second hook part 23 also has one first barricade 204 and one second barricade 206 that is oppositely arranged, as shown in Fig. 2 (b).
In one embodiment, the first hook part 21 and the second hook part 23 are arranged in parallel.For example, the first barricade 204 and second barricade 206 of the first hook part 21 are parallel to each other, and are parallel to the bearing of trend at the edge that liquid crystal panel 200 is connected with support 202; The first barricade 204 and second barricade 206 of the second hook part 23 are parallel to each other, and are parallel to the bearing of trend at the edge that liquid crystal panel 200 is connected with support 202.
In another specific embodiment, the first hook part 21 and the second hook part 23 bearing of trend separately are perpendicular.For example, the first barricade 204 and second barricade 206 of the first hook part 21 are parallel to each other, and are parallel to the bearing of trend at the edge that liquid crystal panel 200 is connected with support 202, as shown in Fig. 3 (a); Although the first barricade 204 and second barricade 206 of the second hook part 23 are parallel to each other, the bearing of trend at the edge that the first barricade 204 and the second barricade 206 are connected with support 202 perpendicular to liquid crystal panel 200 is as shown in Fig. 3 (b).
In addition, this liquid crystal indicator also comprises at least one flexible circuit board (not shown).This flexible circuit board is in order to connecting fluid crystal panel 200 and printed circuit board (PCB), as the signal transmission interface between liquid crystal panel 200 and printed circuit board (PCB).
In addition, the first barricade 204 also has one first width W 1, the second barricade 206 and also has one second width W 2, and the first width W 1 is less than the second width W 2.
Fig. 4 illustrates the first barricade of hook part of Fig. 2 (a) or Fig. 3 (a) and the structural representation of the second barricade.Fig. 5 illustrates the structural representation of the clamping part that matches with the first barricade and the second barricade of Fig. 4.
With reference to Fig. 4 and Fig. 5, the top of the first barricade 204 is with letter b 1 expression, and the bottom of the first barricade 204 is with letter b 2 expressions, and the top of the second barricade 206 represents with alphabetical A1, and the bottom of the second barricade 206 represents with alphabetical A2.In liquid crystal indicator of the present invention, the second barricade 206 and the first barricade 204 are oppositely arranged.Has one first spacing L1 between the first barricade 204 and the second barricade 206 top separately.Have one second spacing L2 between the first barricade 204 and the second barricade 206 bottom separately, and the first spacing L1 is less than the second spacing L2.For example, the top of the second barricade 206 is towards the first barricade 205 bendings, thereby makes spacing L1 less than spacing L2.
Printed circuit board (PCB) 208 comprises two clamping parts, and each clamping part coordinates with the corresponding hook part (hook part 21 or 23) of support, thereby makes printed circuit board (PCB) 208 be fixed to support 202.Preferably, each clamping part of printed circuit board (PCB) 208 comprises that an opening 210(is as shown in the sectional view of Fig. 4).When printed circuit board (PCB) 208 was fixed to support 202, opening 210 matched with the first barricade 204, thus the zone that printed circuit board (PCB) 208 is embedded between the first barricade 204 and the second barricade 206.
In one embodiment, if alphabetical a1 represents the clamping part of printed circuit board (PCB) 208 near the bottom at its edge, alphabetical b1 represents that the clamping part of printed circuit board (PCB) 208 is near the bottom of opening 210.Opening 210 is to having one the 3rd spacing L3 between the edge of printed circuit board (PCB) 208, the 3rd spacing L3 is greater than the first barricade 204 and the second barricade 206 the first spacing L1 between the top separately.
From the above, when printed circuit board (PCB) 208 is fixed to support 202, greater than the first barricade 204 and the second barricade 206 the first spacing L1 between the top separately, thereby can utilize the holding function between two barricade tops to play fixation to printed circuit board (PCB) due to the 3rd spacing L3 of the clamping part of printed circuit board (PCB) 208.Than prior art, the present invention need not any screw or electric screw driver of locking when fixed printed circuit board, utilize the snap-on design of support and printed circuit board (PCB) itself, the packaging efficiency of the product of fixed printed circuit board, and then raising securely line.
Fig. 6 illustrates in liquid crystal indicator of the present invention, and the view that the hook part of support matches with the clamping part of printed circuit board (PCB), Fig. 7 illustrate in liquid crystal indicator of the present invention, another view that the hook part of support matches with the clamping part of printed circuit board (PCB).
With reference to Fig. 6, when pressing pressing printed circuit board 208,, utilize same the first barricade 204 of its clamping part and the second barricade 206 amount of interference between the top separately, thereby printed circuit board (PCB) 208 is fixed to support 202 greater than the first spacing L1 due to the 3rd spacing L3.At this moment, in the opening 210 of the first barricade 204 plug card buckle portions, the edge of the second barricade 206 backstop printed circuit board (PCB)s 208 makes printed circuit board (PCB) 208 and support 202 firm fixing, as shown in Figure 7.
Fig. 8 illustrates according to another embodiment of the present invention, in order to the FB(flow block) of the assemble method of the liquid crystal indicator of fixed printed circuit board.
With reference to Fig. 8, and in conjunction with Fig. 2～Fig. 7, in the assemble method of above-mentioned liquid crystal indicator, execution in step S11 at first is fixedly attached to liquid crystal panel 200 with a side of a flexible circuit board.Then, in step S13, the opposite side of this flexible circuit board is fixedly attached to printed circuit board (PCB) 208.Then, in execution in step S15, rotate this printed circuit board (PCB) 208, make it towards the first hook part 21 and second hook part 23 of support 202.At last, in step S17, the clamping part of printed circuit board (PCB) 208 is carried out corresponding the cooperation with the hook part of support 202, thereby make printed circuit board (PCB) 208 be fixed to support 202.
In one embodiment, each clamping part of this printed circuit board (PCB) 208 comprises an opening 210.In above-mentioned steps S17, opening 210 is alignd with the first barricade 204, then press pressing printed circuit board 208, make this first barricade 204 pass opening 210, thereby with part embedding first barricade 204 of printed circuit board (PCB) 208 and the zone between the second barricade 206.
Adopt liquid crystal indicator of the present invention and assemble method thereof, the support that is arranged at the liquid crystal panel dorsal part comprises two hook parts, and printed circuit board (PCB) comprises two clamping parts, by each hook part is coordinated with corresponding clamping part, thereby makes this printed circuit board (PCB) be fixed to support.Because each hook part of support has the first barricade and the second barricade, and the first barricade and the second barricade separately the first spacing between the top less than the first barricade and the second barricade the second spacing between the bottom separately, when printed circuit board (PCB) is fixed to support, can play fixation to printed circuit board (PCB) by the holding function between two barricade tops, and then significantly improve the packaging efficiency that produces line.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, in the situation that without departing from the spirit and scope of the present invention, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replacement all drop in claims limited range of the present invention.
Claims (10)
1. a liquid crystal indicator, is characterized in that, described liquid crystal indicator comprises:
One liquid crystal panel;
One support is arranged at the dorsal part of described liquid crystal panel, and described support comprises two hook parts, and each hook part has:
One first barricade is perpendicular to the plane at described liquid crystal panel place; And
One second barricade, be oppositely arranged with described the first barricade, wherein, have one first spacing between described the first barricade and described the second barricade top separately, have one second spacing between described the first barricade and described the second barricade bottom separately, described the first spacing is less than described the second spacing; And
One printed circuit board (PCB) comprises two clamping parts, and each clamping part coordinates with the corresponding hook part of described support, thereby makes described printed circuit board (PCB) be fixed to described support.
2. liquid crystal indicator according to claim 1, is characterized in that, described support comprises one first hook part and one second hook part, and wherein, described the first hook part and described the second hook part are arranged in parallel.
3. liquid crystal indicator according to claim 1, is characterized in that, described support comprises one first hook part and one second hook part, and wherein, described the first hook part and described the second hook part bearing of trend separately are perpendicular.
4. liquid crystal indicator according to claim 1, it is characterized in that, each clamping part of described printed circuit board (PCB) comprises an opening, when described printed circuit board (PCB) is fixed to described support, described opening matches with described the first barricade, thereby makes the zone between described printed circuit board (PCB) described the first barricade of embedding and described the second barricade.
5. liquid crystal indicator according to claim 1, is characterized in that, described opening is to having one the 3rd spacing between the edge of described printed circuit board (PCB), and described the 3rd spacing is greater than described the first spacing.
6. liquid crystal indicator according to claim 1, is characterized in that, described the first barricade also has one first width, and described the second barricade also has one second width, and wherein, described the first width is less than described the second width.
7. liquid crystal indicator according to claim 1, it is characterized in that, described liquid crystal indicator also comprises at least one flexible circuit board, in order to connect described liquid crystal panel and described printed circuit board (PCB), as the signal transmission interface between described liquid crystal panel and described printed circuit board (PCB).
8. the assemble method of a liquid crystal indicator as claimed in claim 1, is characterized in that, described assemble method comprises the following steps:
A) side with a flexible circuit board is fixedly attached to described liquid crystal panel;
B) opposite side with described flexible circuit board is fixedly attached to described printed circuit board (PCB);
C) rotate described printed circuit board (PCB); And
D) clamping part with described printed circuit board (PCB) carries out corresponding the cooperation with the hook part of described support, thereby makes described printed circuit board (PCB) be fixed to described support.
9. assemble method according to claim 8, is characterized in that, described support comprises one first hook part and one second hook part, and wherein, described the first hook part and described the second hook part are arranged in parallel.
10. assemble method according to claim 8, is characterized in that, each clamping part of described printed circuit board (PCB) comprises an opening, and wherein, described step d) also comprises:
Described opening is alignd with described the first barricade; And
Press described printed circuit board (PCB), make described the first barricade pass described opening, thereby with a part described first barricade of embedding of described printed circuit board (PCB) and the zone between described the second barricade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310016927 CN103123422A (en) | 2013-01-17 | 2013-01-17 | Liquid crystal display device and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310016927 CN103123422A (en) | 2013-01-17 | 2013-01-17 | Liquid crystal display device and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103123422A true CN103123422A (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310016927 Pending CN103123422A (en) | 2013-01-17 | 2013-01-17 | Liquid crystal display device and assembling method thereof |
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| Country | Link |
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| CN (1) | CN103123422A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758317A (en) * | 2018-04-02 | 2018-11-06 | 友达光电股份有限公司 | Plate member |
| CN109782469A (en) * | 2019-04-01 | 2019-05-21 | 苏州众显电子科技有限公司 | A kind of liquid crystal display device and its assemble method |
-
2013
- 2013-01-17 CN CN 201310016927 patent/CN103123422A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758317A (en) * | 2018-04-02 | 2018-11-06 | 友达光电股份有限公司 | Plate member |
| CN109782469A (en) * | 2019-04-01 | 2019-05-21 | 苏州众显电子科技有限公司 | A kind of liquid crystal display device and its assemble method |
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Application publication date: 20130529 |