CN203859938U - Printed circuit board of display module and display device - Google Patents
Printed circuit board of display module and display device Download PDFInfo
- Publication number
- CN203859938U CN203859938U CN201420128783.7U CN201420128783U CN203859938U CN 203859938 U CN203859938 U CN 203859938U CN 201420128783 U CN201420128783 U CN 201420128783U CN 203859938 U CN203859938 U CN 203859938U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- flexible printed
- fixed
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003292 glue Substances 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000084 colloidal system Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
The utility model provides a printed circuit board of a display module and a display device, belonging to the field of display device manufacture technology. The flexible printed circuit board of the utility model comprises a bound region and a fixed region. The fixed region of the flexible printed circuit board is provided with a light emitting diode button lamp which is fixed at the backlight frame of the light emitting surface of the display module. The display device of the utility model comprises the flexible printed circuit board.
Description
Technical field
The utility model belongs to display unit manufacturing technology field, is specifically related to a kind of flexible printed circuit board and display unit that shows module.
Background technology
Show that module (Liquid Cristal Module, LCM) is lightweight because having, thin thickness, the advantage such as low in energy consumption is as the display module of various electronic.It comprises display floater, integrated circuit (Integrated Circuit; IC), backlight module, flexible printed circuit board (Flexible Printed Circuit board; The parts such as FPC).Wherein, show that the flexible printed circuit board of module is to be bundled on display floater by conducting resinl, then by double faced adhesive tape or chase, flexible printed circuit board is fixed.
Taking cell phone as example, conventionally on cell phone, be provided with light-emitting diode (Light Emitting Diode; LED) press key lamp, light-emitting diode press key lamp is normally connected with the flexible printed circuit board of the mainboard of cell phone, and then light-emitting diode press key lamp is attached to top or the below of the display floater that shows module.
Inventor finds that in prior art, at least there are the following problems: adopt mode double faced adhesive tape or chase fixing flexible printed circuit board (PCB), the problem of existence is exactly easily sticky not firm, and reliability is bad.Objectively demand shows that module space is larger simultaneously, is unfavorable for product miniaturization.And sticking double faced adhesive tape and chase fixed mode requirement personnel operation, automaticity is not high, and efficiency is low.
Utility model content
Technical problem to be solved in the utility model comprises, the problems referred to above that exist for the demonstration module of existing electronic equipment, provide a kind of technique simple, and automation efficiency is high, and contraposition shows flexible printed circuit board and the display unit of module accurately.
The technical scheme that solution the utility model technical problem adopts is a kind of flexible printed circuit board that shows module, it comprises binding district, fixed area, on the fixed area of described flexible printed circuit board, be provided with light-emitting diode press key lamp, and described light-emitting diode press key lamp is for being fixed on the framework backlight of backlight module exiting surface.
Light-emitting diode press key lamp of the present utility model is set directly on the flexible printed circuit board that shows module, and be directly fixed on the frame of display floater exiting surface, when the part that is not now fixed on display floater exiting surface when flexible printed circuit board is folded to display floater shady face side, light-emitting diode press key lamp there will not be the phenomenon of raising one's head and looking, dwindle significantly requisite space, simplify light-emitting diode press key lamp assembly manipulation when fixing, significantly reduced cost of labor.
Preferably, the binding district of described flexible printed circuit board is electrically connected with display floater by conducting resinl.
Further preferably, described conducting resinl is anisotropic conductive.
Further preferably, the fixed area of described flexible printed circuit board adopts fixing glue to be fixed on display floater.
Further preferably, described fixing glue is conducting resinl.
The technical scheme that solution the utility model technical problem adopts is a kind of display unit, comprises demonstration module, and described demonstration module comprises framework backlight, and the flexible printed circuit board of above-mentioned demonstration module.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of the printed circuit board (PCB) of the demonstration module of embodiment 1 of the present utility model;
Fig. 2 is the fixing means schematic diagram of the printed circuit board (PCB) of the demonstration module of embodiment 2 of the present utility model;
Fig. 3 is the schematic diagram fixedly completing of the printed circuit board (PCB) of the demonstration module of embodiment 2 of the present utility model.
Wherein Reference numeral is: the flexible PCB that 100, shows module; 101, light-emitting diode press key lamp; 201, framework backlight; 300, display floater; 400, thermal head; 401, conducting resinl; Q, fixed area.
Embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, the present embodiment provides a kind of flexible printed circuit board 100 that shows module, and this flexible printed circuit board 100 (part-structure of flexible printed circuit board is only shown in Fig. 1) comprises binding district (not shown), fixed area Q.Wherein, binding district refers to the region that the pin of flexible printed circuit board 100 (Pin) is electrically connected with display floater 300; Fixed area Q refers to that flexible printed circuit board 100 is fixed on the region on the framework backlight 201 of display floater 300 by colloid.On the fixed area Q of the flexible printed circuit board 100 of the present embodiment, be provided with light-emitting diode press key lamp 101, and described light-emitting diode press key lamp 101 is fixed on the framework backlight 201 that shows module exiting surface.Wherein, light-emitting diode press key lamp 101 light time as reminding power supply or certain program of display unit to start.
Because the light-emitting diode press key lamp 101 of the present embodiment is set directly on the flexible printed circuit board 100 that shows module, and be directly fixed on the framework backlight 201 of display floater 300 exiting surfaces, when the part that is not now fixed on display floater exiting surface when flexible printed circuit board 100 is folded to display floater 300 shady face side, light-emitting diode press key lamp 101 there will not be the phenomenon of raising one's head and looking, dwindle significantly requisite space, simplify light-emitting diode press key lamp 101 assembly manipulation when fixing, significantly reduced cost of labor.
Preferably, shown in Fig. 2, the binding district of this flexible printed circuit board 100 is electrically connected with display floater 300 by conducting resinl 401.Because there is the little gold goal of many colloid inside of conducting resinl 401, in the time of bearing up-down force, the little gold goal between upper and lower touches and just can form circuit turn-on together.Adopt thus conducting resinl 401 that flexible printed circuit board 100 is connected without lead-in wire with display floater 300 conductings, now show that the structure of module is simpler.Further preferably, this conducting resinl 401 is anisotropic conductive (Anisotropic Conductive Film; ACF glue).
Preferably, the fixed area of this flexible printed circuit board 100 adopts fixing glue to be fixed on display floater.Further preferably, this fixing glue is conducting resinl 401.Now can will on the binding district of flexible printed circuit board 100 and fixed area Q, all be coated with gluing by a step coating technique, complete flexible printed circuit board 100 by heat pressing process again binds and fixes simultaneously, now make the fixing more stable of flexible printed circuit board 100, and automation efficiency is high, and contraposition is accurate.Certainly, the fixed area Q in the present embodiment also can not adopt conducting resinl to be connected with flexible printed circuit board 100, adopts the fixing glue of other colloids to be also fine.
It should be noted that, only illustrated the fixed area Q part of flexible printed circuit board 100 in accompanying drawing 1, binding district does not draw, and fixed area Q and binding district are known in those skilled in the art, do not describe in detail at this.
Embodiment 2:
As shown in Figures 2 and 3, the present embodiment provides a kind of fixing means of the flexible printed circuit board 100 that shows module, this flexible printed circuit board 100 comprises binding district and fixed area Q, wherein, binding district refers to the region that the pin of flexible printed circuit board 100 (Pin) is electrically connected with display floater 300; Fixed area Q refers to that flexible printed circuit board 100 is fixed on the region on the framework backlight of display floater 300 by colloid.The method specifically comprises:
Step 1, respectively at binding district coated with conductive glue, fixed area Q applies fixing glue.Wherein fixing glue is preferably conducting resinl, certainly also adopts the fixing glue of other colloids to be also fine.
Step 2, by the mode of thermal head 400 hot pressing, the binding district of described flexible printed circuit board 100 is electrically connected with display floater 300, the fixed area Q of described flexible printed circuit board 100 is fixed on display floater 300 simultaneously.
In the present embodiment, adopt a fixing mode of hot pressing to complete flexible printed circuit board 100 and bind and fix, now make the fixing more stable of flexible printed circuit board 100, and automation efficiency is high, contraposition is accurate.
Embodiment 3:
The present embodiment provides a kind of display unit, it comprises demonstration module, described demonstration module comprises framework backlight, and the flexible printed circuit board of the demonstration module described in embodiment 1, described light-emitting diode press key lamp is fixed on a side of the exiting surface towards described display floater of described framework backlight.
The display unit of the present embodiment can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, LCD TV, liquid crystal display, DPF, mobile phone, panel computer, video player.
Be understandable that, above execution mode is only used to principle of the present utility model is described and the illustrative embodiments that adopts, but the utility model is not limited to this.For those skilled in the art, in the situation that not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection range of the present utility model.
Claims (6)
1. one kind shows the flexible printed circuit board of module, described flexible printed circuit board comprises binding district and fixed area, it is characterized in that, on the fixed area of described flexible printed circuit board, be provided with light-emitting diode press key lamp, and described light-emitting diode press key lamp is for being fixed on the framework backlight that shows module exiting surface.
2. the flexible printed circuit board of demonstration module according to claim 1, is characterized in that, the binding district of described flexible printed circuit board is electrically connected with display floater by conducting resinl.
3. the flexible printed circuit board of demonstration module according to claim 2, is characterized in that, described conducting resinl is anisotropic conductive.
4. according to the flexible printed circuit board of the demonstration module described in claim 2 or 3, it is characterized in that, the fixed area of described flexible printed circuit board adopts fixing glue to be fixed on display floater.
5. the flexible printed circuit board of demonstration module according to claim 4, is characterized in that, described fixing glue is conducting resinl.
6. a display unit, comprise demonstration module, described demonstration module comprises framework backlight, it is characterized in that, also comprise the flexible printed circuit board of the demonstration module described in any one in claim 1～5, described light-emitting diode press key lamp is fixed on a side of the exiting surface towards described display floater of described framework backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128783.7U CN203859938U (en) | 2014-03-20 | 2014-03-20 | Printed circuit board of display module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128783.7U CN203859938U (en) | 2014-03-20 | 2014-03-20 | Printed circuit board of display module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859938U true CN203859938U (en) | 2014-10-01 |
Family
ID=51609781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128783.7U Expired - Fee Related CN203859938U (en) | 2014-03-20 | 2014-03-20 | Printed circuit board of display module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859938U (en) |
-
2014
- 2014-03-20 CN CN201420128783.7U patent/CN203859938U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 |