CN100368880C - Plane display module and folding mounting mechanism - Google Patents
Plane display module and folding mounting mechanism Download PDFInfo
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- CN100368880C CN100368880C CNB2005100737112A CN200510073711A CN100368880C CN 100368880 C CN100368880 C CN 100368880C CN B2005100737112 A CNB2005100737112 A CN B2005100737112A CN 200510073711 A CN200510073711 A CN 200510073711A CN 100368880 C CN100368880 C CN 100368880C
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- Prior art keywords
- circuit board
- flexible circuit
- draw
- groove
- display module
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- 239000002390 adhesive tape Substances 0.000 claims description 10
- 239000003351 stiffener Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The present invention discloses a plane display module which comprises a display panel, a flexibility circuit board and a frame body, wherein the flexibility circuit board has a first end which is partially connected with the display panel. The frame body has a first surface and a second surface which has at least one clamping groove. The display panel is arranged on the first surface, the flexibility circuit board is arranged on the second surface in a bent mode, and the flexibility circuit board is clamped and fixed in the clamping groove.
Description
Technical field
The present invention relates to a kind of flat display module, particularly relate to a kind of flat display module with reflexed fixed mechanism.
Background technology
LCD Panel has advantages such as high image quality, volume are little, in light weight, low driving voltage, low consumpting power.The main manufacture craft of LCD Panel includes thin-film transistor array base-plate manufacture craft, color filter manufacture craft, liquid crystal display assembling manufacture craft, LCD MODULE assembling manufacture craft etc.Wherein, LCD MODULE assembling manufacture craft is to be stacked and placed on the backlight module assembling the display panels of finishing with printed circuit board (PCB), paste by double faced adhesive tape or metal frame again or be locked on framework in the backlight module, and with the printed circuit board (PCB) reflexed to the back side of framework, and finish the assembling operation of this display panels and this backlight module.
Yet there are many problems in traditional LCD MODULE assembling manufacture craft.What Figure 1A illustrated is with flexible circuit board (Flexible Printed Circuit Board in existing mode; FPC) be fixed in the synoptic diagram of framework (frame).Existing mode be with double faced adhesive tape 112 along three limits or whole ground flexible circuit board 104 pasted be fixed on the framework 102.
But because flexible circuit board 104 needs along framework 102 side bendings, bending moment that this bending produced (bending-moment) and reacting force (counterforce) cause flexible circuit board 104 to upwarp to turn up easily.Moreover after environmental testing, double faced adhesive tape 112 can cause its viscosity to reduce or distortion because of being heated, and makes flexible circuit board 104 produce the abnormal case of perk.Therefore, this assembling mode not only expends man-hour, and can't be really fixing flexible circuit board 104.
Figure 1B illustrate another kind of existing mode fixedly flexible circuit board in the synoptic diagram of framework.Except double faced adhesive tape 112, the existing mode of this kind is more added a metal frame 114, is fixed on the framework 102 in order to flexible circuit board 104 is inserted and put.But, one fixing step of metal frame that this assembling mode is many, very time-consuming, and need to consume the more raw materials cost.
Comprehensive, prior art has following shortcoming: 1. the perk of flexible circuit board is unusual; 2. increase raw material and assembling processing cost; 3. the usability again of doing over again property and raw material is bad, significant loss cost height; And 4. module whole thickness increase.
Summary of the invention
The invention provides a kind of flat display module, its integral thickness is lower, and can reduce raw material and assembling processing cost, and improves the production qualification rate.
According to a preferred embodiment of the present invention, this flat display module comprises a display panel, a flexible circuit board and a framework.Flexible circuit board has one first end and partly is connected with display panel.Framework has a first surface and a second surface, and second surface has at least one draw-in groove.Display panel configurations is in first surface, and flexible circuit board then is that bending is disposed at second surface, and flexible circuit board is to be fastened among the draw-in groove.
The present invention provides a kind of reflexed fixed mechanism in addition, has good doing over again property and usability again, and can improve existing fixing bad problem.
According to another preferred embodiment of the present invention, this reflexed fixed mechanism is in order to a flexible circuit board is fixed on the framework.The first end section of flexible circuit board is connected in a display panel.The reflexed fixed mechanism is characterised in that to have the surface that at least one draw-in groove is disposed at framework, to be fixed flexible circuit board among draw-in groove.
The present invention can reduce the raw material and the assembling processing cost of module, and improves the qualification rate of product.Because flexible circuit board is to use similar Zip-Connector pluggable mode to fix, so its doing over again property is good.Moreover, be directly to be pasted on the framework in order to auxiliary fixing double faced adhesive tape, the usability again of its back raw material of doing over again is good.And the integral thickness of this module can not increase, and is lower than the thickness of existing module.
Description of drawings
Figure 1A illustrates the synoptic diagram that flexible circuit board is fixed in framework in existing mode;
Figure 1B illustrates the synoptic diagram that another kind of existing mode is fixed in flexible circuit board framework;
Fig. 2 A illustrates the synoptic diagram of a preferred embodiment of the present invention;
Fig. 2 B illustrates the synoptic diagram of another preferred embodiment of the present invention;
Fig. 3 A illustrates the schematic perspective view of a preferred embodiment of first draw-in groove of Fig. 2 B;
Fig. 3 B illustrates the schematic perspective view of a preferred embodiment of second draw-in groove of Fig. 2 B; And
Fig. 4 illustrates the schematic perspective view of a preferred embodiment of first draw-in groove of Fig. 2 B and flexible circuit board.
Embodiment
The structural design that the present invention utilizes framework with and assembling mode, promptly earlier flexible circuit board is inserted in the draw-in groove of framework, again display panel is assembled on another surface of framework, even can use the very property of stiffening plate with the reinforcement flexible circuit board, so improve existing fixing bad problem, and conservation and assembling processing cost.That is the present invention can prevent that flexible circuit board is assembled in after the framework by bending, because of the reacting force of its bending produces fixing bad even damage the situation of optical material.
Fig. 2 A illustrates the synoptic diagram of a preferred embodiment of the present invention.This flat display module 200a comprises that a display panel is positioned at the back side of framework 202, a flexible circuit board 204 and a framework 202.Flexible circuit board 204 has one first end 222, and this first end 222 partly is connected with display panel.Framework 202 has a first surface (back side of the framework 202 that Fig. 2 A does not show) and a second surface (front of the framework 202 shown in Fig. 2 A), and second surface has one first draw-in groove 212b, framework 202 can have opening (not label), shown in Fig. 2 A, can expose the subregion of display panel, or not have opening.Display panel configurations is in first surface, and 204 of flexible circuit boards are that bending is disposed at second surface.And flexible circuit board 204 is fastened among the first draw-in groove 212b.
In this preferred embodiment, this flat display module 200a comprises that more a backlight module is arranged in framework 202.Flexible circuit board 204 is to insert with first end, 222 second opposed end 224 and to be fixed among the first draw-in groove 212b.Except the first draw-in groove 212b, this flat display module 200a more comprises the second draw-in groove 212a, first end 222 of corresponding respectively flexible circuit board 204 and the remainder that is not connected with display panel and be disposed at the second surface of framework 202 are for the remainder that inserts and fixedly be not connected with display panel in first end 222 of flexible circuit board 204.
Moreover, preferably more can use a double faced adhesive tape 214 to be pasted between second surface and the flexible circuit board 204, to strengthen fixed relationship between the two.Because this kind fixed form is the combination of rigid body and rigid body, double faced adhesive tape 214 changes auxiliary function at this, therefore more can not cause product appearance bad even influence optical quality because of double faced adhesive tape or other external factor.
This flat display module 200a more can comprise at least one lug boss 216, for example columnar projections portion, taper lug boss or awl columnar projections portion, be disposed on the second surface, and flexible circuit board 204 also has hole and embeds lug boss 216 for correspondence, further locatees this flexible circuit board 204 and this framework 202 by the cooperation of lug boss and hole.In addition, this framework 202 can be used folding mould ejection formation, need not add slide block and taper pin, so die cost can not increase yet.
Fig. 2 B illustrates the synoptic diagram of another preferred embodiment of the present invention.Different with the flat display module 200a shown in Fig. 2 A is, this flat display module 200b comprises the first draw-in groove 212c, the two-end-point of second end 224 of corresponding respectively flexible circuit board 204 and being disposed on the second surface is for the two-end-point that inserts and fix this second end 224.That is to say that design needs known this technician and actual state when looking, and adjusts the number or the position of draw-in groove, be not limited to draw-in groove number and the position shown in the embodiment of 2A figure or 2B figure.And framework 202 can be and have opening (not label), shown in 2B, can expose the subregion of display panel, or not have opening.
Fig. 3 A illustrates the schematic perspective view of a preferred embodiment of the first draw-in groove 212c of Fig. 2 B, and Fig. 3 B illustrates the schematic perspective view of a preferred embodiment of the second draw-in groove 212a of Fig. 2 B, in order to describe the details of above-mentioned first draw-in groove and second draw-in groove in detail.According to preferred embodiment of the present invention, above-mentioned those draw-in grooves preferably are configured in the marginal position of framework 202, to make things convenient for structural design and to assemble.
As shown in Figure 3A, the first draw-in groove 212c is disposed at the marginal position of framework 202, and has highly and to be the opening of the h end points for second end 224 that inserts flexible circuit board 204.Shown in Fig. 3 B, the second draw-in groove 212a is another marginal position that is disposed at framework 202 equally, and has the remainder that with display panel be not connected of opening for first end 222 that inserts flexible circuit board 204.Yet those of ordinary skill in the art change the shape or the hatch frame of first draw-in groove and second draw-in groove when viewable design needs and actual state, are not limited to draw-in groove shape or the hatch frame shown in the embodiment of Fig. 3 A or Fig. 3 B.To be example below, further specify the relation between the thickness of the open height of draw-in groove and flexible circuit board 204 with the first draw-in groove 212c.
Fig. 4 illustrates the schematic perspective view of a preferred embodiment of the first draw-in groove 212c of Fig. 2 B and flexible circuit board 204.In this preferred embodiment, the position that stiffener (stiffener board) 218 is disposed on the flexible circuit board 204 corresponding to draw-in groove 212c.More particularly, this stiffener 218 configurable in shown in Fig. 2 A corresponding to the position of the first draw-in groove 212b or the second draw-in groove 212a, or shown in Fig. 2 B corresponding to the position of the first draw-in groove 212c or the second draw-in groove 212a.
Stiffener 218 is to be assembled among the first draw-in groove 212b in order to flexible circuit board 204 suitably or is excessively cooperated.The open height h of the first draw-in groove 212c can be equal to or less than the thickness summation of flexible circuit board 204 and stiffener 218, so reaches suitably or the interference fit assembling, to restrain aforesaid bending moment and reacting force.Perhaps, no matter whether dispose the thickness that the open height h of stiffener 218, the first draw-in groove 212c can equal flexible circuit board 204.
Below be example with Fig. 2 B, the assembling process of simple declaration flat display module 200b.Earlier with second end 224 of flexible circuit board 204 forward (direction of arrow as shown in Figure 4) insert among the first draw-in groove 212c, the remainder that is not connected with display panel of its first end 222 is inserted among the second draw-in groove 212a more backward.Then, will be assembled on another surface of framework 202 with the display panel that first end, 222 parts of flexible circuit board 204 are connected again, can finish the assembling manufacture craft of flat display module.
In sum, above-mentioned preferred embodiment can reduce the raw material and the assembling processing cost of module, and improves product percent of pass.Because flexible circuit board is to use similar Zip-Connector pluggable mode to fix, so its doing over again property is good.Moreover, be directly to be pasted on the framework in order to auxiliary fixing double faced adhesive tape, the usability again of raw material is also good behind its heavy industry.And the integral thickness of this module can not increase, and is lower than the thickness of existing module.
Though disclosed the present invention in conjunction with an above preferred embodiment; yet it is not in order to limit the present invention; anyly be familiar with those of ordinary skill in the art; without departing from the spirit and scope of the present invention; can do various changes and retouching, so the scope of the present invention should be as the criterion with the scope that claims were defined.
Claims (9)
1. flat display module comprises:
One display panel;
One flexible circuit board, this flexible circuit board have one first end, and this first end partly is connected with this display panel; And
One framework have a first surface and a second surface, and this second surface has at least one draw-in groove, wherein this display panel is to be disposed at this first surface, this flexible circuit board is disposed at this second surface, and this flexible circuit board is to be fastened on this draw-in groove
Wherein this draw-in groove is for one second end with respect to this first end that inserts and fix this flexible circuit board.
2. flat display module as claimed in claim 1 comprises that more a backlight module is arranged in this framework.
3. flat display module as claimed in claim 1, wherein this flexible circuit board has one second end with respect to this first end, and this at least one draw-in groove comprises:
At least one first draw-in groove is to should second end and be disposed at this second surface; And
At least one second draw-in groove is disposed at the second surface of this framework and corresponds respectively to the remainder that is not connected with this display panel in this first end.
4. flat display module as claimed in claim 1 more comprises a stiffener, is disposed on this flexible circuit board and corresponding to this draw-in groove.
5. flat display module as claimed in claim 4, wherein the open height of this draw-in groove is equal to or less than the thickness summation of this flexible circuit board and this stiffener.
6. flat display module as claimed in claim 1 more comprises at least one lug boss, be disposed on this second surface, and this flexible circuit board has more at least one hole and embeds this lug boss with correspondence.
7. flat display module as claimed in claim 1 more comprises a double faced adhesive tape, is arranged between this second surface and this flexible circuit board.
8. flat display module as claimed in claim 1, wherein this draw-in groove is disposed at the marginal position of this framework.
9. flat display module as claimed in claim 1, wherein the open height of this draw-in groove equals the thickness of this flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100737112A CN100368880C (en) | 2005-05-20 | 2005-05-20 | Plane display module and folding mounting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100737112A CN100368880C (en) | 2005-05-20 | 2005-05-20 | Plane display module and folding mounting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1687824A CN1687824A (en) | 2005-10-26 |
| CN100368880C true CN100368880C (en) | 2008-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100737112A Expired - Fee Related CN100368880C (en) | 2005-05-20 | 2005-05-20 | Plane display module and folding mounting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100368880C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101157239B1 (en) * | 2005-03-08 | 2012-06-15 | 엘지디스플레이 주식회사 | Liquid Cristal Display Device |
| CN101325838B (en) * | 2007-06-15 | 2010-06-09 | 嘉联益科技股份有限公司 | Flexible circuit board structure |
| TWI356963B (en) | 2007-12-18 | 2012-01-21 | Prime View Int Co Ltd | Electrophoretic display device |
| CN101471036B (en) * | 2007-12-26 | 2011-06-22 | 元太科技工业股份有限公司 | Electrophoresis type display equipment |
| CN103972264A (en) | 2013-01-25 | 2014-08-06 | 财团法人工业技术研究院 | Flexible electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004258236A (en) * | 2003-02-25 | 2004-09-16 | Seiko Epson Corp | Electro-optical device and electronic device |
| JP2005017964A (en) * | 2003-06-30 | 2005-01-20 | Kawaguchiko Seimitsu Co Ltd | Liquid crystal display device with back light |
| CN1584679A (en) * | 2004-06-08 | 2005-02-23 | 友达光电股份有限公司 | Fixing method for displaying device unit and flexible circuit board |
-
2005
- 2005-05-20 CN CNB2005100737112A patent/CN100368880C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004258236A (en) * | 2003-02-25 | 2004-09-16 | Seiko Epson Corp | Electro-optical device and electronic device |
| JP2005017964A (en) * | 2003-06-30 | 2005-01-20 | Kawaguchiko Seimitsu Co Ltd | Liquid crystal display device with back light |
| CN1584679A (en) * | 2004-06-08 | 2005-02-23 | 友达光电股份有限公司 | Fixing method for displaying device unit and flexible circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1687824A (en) | 2005-10-26 |
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Granted publication date: 20080213 |
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