CN209103039U - A kind of display device - Google Patents
A kind of display device Download PDFInfo
- Publication number
- CN209103039U CN209103039U CN201822203526.6U CN201822203526U CN209103039U CN 209103039 U CN209103039 U CN 209103039U CN 201822203526 U CN201822203526 U CN 201822203526U CN 209103039 U CN209103039 U CN 209103039U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- connection parts
- display device
- backboard
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- 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.)
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- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 239000002390 adhesive tape Substances 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 16
- 238000007639 printing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model embodiment provides a kind of display device, comprising: display panel；Printed circuit board is electrically connected with the display panel；Backlight module, positioned at the non-displaying side of the display panel；At least one metallic connection parts, one end of the metallic connection parts are electrically connected with the ground terminal of the printed circuit board；The other end of the metallic connection parts is electrically connected with the backboard of backlight module；The area that the metallic connection parts are electrically connected with the backboard of the backlight module is greater than the area of the ground terminal of the printed circuit board.The utility model embodiment provides a kind of display device, to realize the electromagnetic interference and antistatic capacity that improve printed circuit board.
Description
Technical field
The utility model embodiment is related to display technology more particularly to a kind of display device.
Background technique
With the development of science and technology flat display apparatus is widely used in various fields, especially liquid crystal display
Device or organic LED display device, figure is frivolous, low power consumption and the advantageous characteristics such as radiationless because having,
Gradually replace conventional cathode ray tube display device, and be applied in the electronic product of numerous species, for example, mobile phone, can
Take formula multimedia device, laptop or TV etc..
In the prior art, one kind is usually arranged in product development process in flat display apparatus on a printed circuit
The conducting element (such as conducting foam or anisotropic conductive adhesive paste) of adhesive type, so that the ground terminal on printed circuit board can pass through
Conducting element directly increases the electromagnetic interference and antistatic capacity of printed circuit board with backboard contact.But printed circuit board
On ground connection end area it is too small, cause the contact resistance of printed circuit board and backboard larger, be unfavorable for improving printed circuit board
Electromagnetic interference and antistatic capacity.
Utility model content
The utility model embodiment provides a kind of display device, to realize the electromagnetic interference and electrostatic that improve printed circuit board
Protective capacities.
The utility model embodiment provides a kind of display device, comprising:
Display panel；
Printed circuit board is electrically connected with the display panel；
Backlight module, positioned at the non-displaying side of the display panel；
At least one metallic connection parts, one end of the metallic connection parts and the ground terminal of the printed circuit board are electrically connected
It connects；The other end of the metallic connection parts is electrically connected with the backboard of backlight module；The metallic connection parts and the backlight module
Backboard electrical connection area be greater than the printed circuit board ground terminal area.
Further, the other end of the metallic connection parts is directly contacted with the backboard of backlight module.
Further, the display device further includes adhesive tape, the part adhesive tape and the metallic connection parts away from described
The side of backboard bonds, and the part adhesive tape and the part backboard bond.
It further, further include anisotropic conductive adhesive paste；Pass through the different side between the metallic connection parts and the backboard
Property conducting resinl electrical connection.
Further, the metallic connection parts are the first flexible circuit board, and one end of first flexible circuit board leaks out
It metal layer and is electrically connected with the backboard.
Further, the area that the metallic connection parts are electrically connected with the backboard of the backlight module is equal to the backboard
Area.
Further, the printed circuit board is located at the side that the backlight module deviates from the display panel.
It further, further include the second flexible circuit board, second flexible circuit board one end and display panel electricity
Connection, the other end of second flexible circuit board are electrically connected with the printed circuit board；
Second flexible circuit board faces away from the direction bending of the display side of the display panel, so that the printing
Circuit board is located at the side that the backlight module deviates from the display panel.
Further, the printed circuit board and the display panel same layer are arranged.
Further, the printed circuit board is structure as a whole at least one described metallic connection parts；The metal connects
Socket part is the part that a metal layer in the printed circuit board extends to form, and the ground terminal of the printed circuit board is described
The engaging portion of printed circuit board and the metallic connection parts.
Display device provided by the embodiment of the utility model further includes metallic connection parts, one end of metallic connection parts and printing
The ground terminal of circuit board is electrically connected, and the other end of metallic connection parts is electrically connected with backboard.Metallic connection parts are electrically connected with backboard
Area is greater than the area of the ground terminal of printed circuit board.That is, the utility model embodiment passes through setting metallic connection parts
It expands and is electrically connected area with backboard, to reduce the contact resistance of printed circuit board and backboard, improve printing electricity to realize
The electromagnetic interference and antistatic capacity of road plate.
Detailed description of the invention
Fig. 1 is a kind of overlooking structure diagram for display device that the utility model embodiment one provides；
Fig. 2 is the schematic diagram of the section structure of the AA ' along Fig. 1；
Fig. 3 is the overlooking structure diagram for another display device that the utility model embodiment one provides；
Fig. 4 is the schematic diagram of the section structure of the BB ' along Fig. 3；
Fig. 5 is the schematic diagram of the section structure for another display device that the utility model embodiment one provides；
Fig. 6 is the schematic diagram of the section structure for another display device that the utility model embodiment one provides；
Fig. 7 is a kind of overlooking structure diagram for display device that the utility model embodiment two provides；
Fig. 8 is the overlooking structure diagram for another display device that the utility model embodiment two provides.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes the specific embodiment of display device a kind of, knot
Structure, feature and its effect, detailed description is as follows.
Embodiment one
Fig. 1 is a kind of overlooking structure diagram for display device that the utility model embodiment one provides, and Fig. 2 is along Fig. 1
The schematic diagram of the section structure of middle AA ', referring to fig. 1 and fig. 2, display device include display panel 10, printed circuit board 50, back
Optical mode group 20 and at least one metallic connection parts 40.Printed circuit board 50 is electrically connected with display panel 10.Backlight module 20 is located at
The non-displaying side of display panel 10, backlight module 20 can be used as the light source of display panel 10, provide illumination for display panel 10
Light beam.One end of metallic connection parts 40 is electrically connected with the ground terminal 51 of printed circuit board 50, and printed circuit board 50 may include one
A or multiple ground terminals 51 are carried out so that printed circuit board 50 includes 3 ground terminals 51 as an example in various embodiments of the utility model
It illustrates, is not limitation of the utility model.The other end of metallic connection parts 40 and the backboard 21 of backlight module 20 are electrically connected
It connects.Backlight module 20 can also include light guide plate 22, and light guide plate 22 is between backboard 21 and display panel 10.Backlight module 20
It can also include the structures known in this field such as light source and emission layer, details are not described herein.Backboard 21 can be metal backing.Gold
Belong to the area that the area that interconnecting piece 40 is electrically connected with the backboard 21 of backlight module 20 is greater than the ground terminal 51 of printed circuit board 50.
Display device provided by the embodiment of the utility model further includes metallic connection parts, one end of metallic connection parts and printing
The ground terminal of circuit board is electrically connected, and the other end of metallic connection parts is electrically connected with backboard.Metallic connection parts are electrically connected with backboard
Area is greater than the area of the ground terminal of printed circuit board.That is, the utility model embodiment passes through setting metallic connection parts
It expands and is electrically connected area with backboard, to reduce the contact resistance of printed circuit board and backboard, improve printing electricity to realize
The electromagnetic interference and antistatic capacity of road plate.
Optionally, with reference to Fig. 1 and Fig. 2, the other end of metallic connection parts 40 is directly contacted with the backboard 21 of backlight module 20.
Without other component between the other end of metallic connection parts 40 and the backboard 21 of backlight module 20.Backboard 21 can be metal backing.
Metallic connection parts 40 are directly contacted with the backboard 21 of backlight module 20, belong to contact of the metal with metal, between metal and metal
Contact resistance it is smaller, to reduce the contact resistance of printed circuit board 50 Yu backboard 21, to realize raising printed circuit board
50 electromagnetic interference and antistatic capacity.
Optionally, with reference to Fig. 1 and Fig. 2, display device further includes adhesive tape 30, and part adhesive tape 30 deviates from metallic connection parts 40
The side of backboard 21 bonds, and part adhesive tape 30 and part backboard 21 bond.Adhesive tape 30 bonds metallic connection parts 40 and backboard 21
It is fixed.
Optionally, with reference to Fig. 1 and Fig. 2, adhesive tape 30 includes anisotropic conductive adhesive paste.Anisotropic conductive adhesive paste refers to leads in Z-direction
Electricity, and in X and Y-direction then nonconducting adhesive.
Optionally, with reference to Fig. 1 and Fig. 2, metallic connection parts 40 are the first flexible circuit board, one end of the first flexible circuit board
It leaks out metal layer and is electrically connected with backboard 21.Flexible circuit board (Flexible Printed Circuit abbreviation FPC) is with poly-
Acid imide or polyester film are that one kind made of substrate has height reliability, and excellent flexible printed circuit has and matches
The feature that line density is high, light-weight, thickness is thin, bending is good.
Optionally, with reference to Fig. 1 and Fig. 2, the area that metallic connection parts 40 are electrically connected with the backboard 21 of backlight module 20 is equal to
The area of backboard 21.Metallic connection parts 40 cover backlight module 20 backboard 21 entire area, at this time metallic connection parts 40 with
The area that backboard 21 is electrically connected is maximum, to further decrease the contact resistance of printed circuit board 50 Yu backboard 21, is mentioned with realizing
The electromagnetic interference and antistatic capacity of high printed circuit board 50.
Optionally, with reference to Fig. 1 and Fig. 2, printed circuit board 50 is located at the side that backlight module 20 deviates from display panel 10.
Optionally, with reference to Fig. 1 and Fig. 2, display device further includes the second flexible circuit board 60, the second flexible circuit board 60 1
End is electrically connected with display panel 10, and the other end of the second flexible circuit board 60 is electrically connected with printed circuit board 50.Second flexible electrical
Road plate 60 faces away from the direction bending of the display side of display panel 10, so that printed circuit board 50 is located at backlight module 20 and deviates from
The side of display panel 10.
Fig. 3 is the overlooking structure diagram for another display device that the utility model embodiment one provides, and Fig. 4 is along figure
The schematic diagram of the section structure of BB ' in 3, with reference to shown in Fig. 3 and Fig. 4, printed circuit board 50 and 10 same layer of display panel are arranged.Printing
Circuit board 50 and display panel 10 are generally located in a plane, and printed circuit board 50 is located at the side of display panel 10.Display
Device further includes the second flexible circuit board 60, and 60 one end of the second flexible circuit board is electrically connected with display panel 10, the second flexible electrical
The other end of road plate 60 is electrically connected with printed circuit board 50, and the second flexible circuit board 60 is not bent.
Fig. 5 is the schematic diagram of the section structure of another display device that the utility model embodiment one provides, with reference to Fig. 5,
Display device further includes anisotropic conductive adhesive paste 70, is electrically connected between metallic connection parts 40 and backboard 21 by anisotropic conductive adhesive paste 70
It connects.Anisotropic conductive adhesive paste 70 is between metallic connection parts 40 and backboard 21.Anisotropic conductive adhesive paste 70, which both plays, is adhesively fixed gold
Belong to the effect of interconnecting piece 40 and backboard 21, and plays the conductive effect of electrical connection metallic connection parts 40 and backboard 21.Printing electricity
Road plate 50 is located at the side that backlight module 20 deviates from display panel 10.
Fig. 6 is the schematic diagram of the section structure of another display device that the utility model embodiment one provides, with reference to Fig. 6,
Display device further includes anisotropic conductive adhesive paste 70, is electrically connected between metallic connection parts 40 and backboard 21 by anisotropic conductive adhesive paste 70
It connects.Anisotropic conductive adhesive paste 70 is between metallic connection parts 40 and backboard 21.Anisotropic conductive adhesive paste 70, which both plays, is adhesively fixed gold
Belong to the effect of interconnecting piece 40 and backboard 21, and plays the conductive effect of electrical connection metallic connection parts 40 and backboard 21.Printing electricity
Road plate 50 and 10 same layer of display panel are arranged.
Embodiment two
The utility model embodiment two what is different from the first embodiment is that printed circuit board and at least one metallic connection parts not
It is to be electrically connected by the modes such as bonding or welding, but printed circuit board is structure as a whole at least one metallic connection parts, with
Details are not described herein for the identical part of embodiment one.
Fig. 7 is a kind of overlooking structure diagram for display device that the utility model embodiment two provides, and Fig. 8 is that this is practical
The overlooking structure diagram for another display device that new embodiment two provides, with reference to shown in Fig. 7 and Fig. 8, printed circuit board
50 are structure as a whole at least one metallic connection parts 40, and printed circuit board 50 may include multiple metal layers, metallic connection parts
40 parts extended to form for a metal layer in printed circuit board 50, the ground terminal 51 of printed circuit board 50 are printed circuit
The engaging portion of plate 50 and metallic connection parts 40.In metallic connection parts 40 and the printed circuit board 50 for extending to form metallic connection parts 40
The metal layer be located on the same floor, and be made of same material.Metallic connection parts 40 and extend to form metallic connection parts 40
Without being electrically connected by welding or bonding mode between the metal layer in printed circuit board 50, on printed circuit board 50
It is not necessary that pin or liner is specially arranged as a connectivity port, so as to further decrease printed circuit board 50 and backboard 21
Contact resistance, with realize improve printed circuit board 50 electromagnetic interference and antistatic capacity.
Optionally, with reference to Fig. 7, printed circuit board 50 is located at the side that backlight module 20 deviates from display panel 10.
Optionally, it is arranged with reference to Fig. 8, printed circuit board 50 and 10 same layer of display panel.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of display device characterized by comprising
Display panel；
Printed circuit board is electrically connected with the display panel；
Backlight module, positioned at the non-displaying side of the display panel；
At least one metallic connection parts, one end of the metallic connection parts are electrically connected with the ground terminal of the printed circuit board；Institute
The other end for stating metallic connection parts is electrically connected with the backboard of backlight module；The backboard of the metallic connection parts and the backlight module
The area of electrical connection is greater than the area of the ground terminal of the printed circuit board.
2. display device according to claim 1, which is characterized in that the other end and backlight module of the metallic connection parts
Backboard directly contact.
3. display device according to claim 2, which is characterized in that the display device further includes adhesive tape, described in part
Adhesive tape and the metallic connection parts are bonded away from the side of the backboard, and the part adhesive tape and the part backboard bond.
4. display device according to claim 1, which is characterized in that further include anisotropic conductive adhesive paste；The metal connection
It is electrically connected between portion and the backboard by the anisotropic conductive adhesive paste.
5. display device according to claim 1, which is characterized in that the metallic connection parts are the first flexible circuit board,
One end of first flexible circuit board leaks out metal layer and is electrically connected with the backboard.
6. display device according to claim 1, which is characterized in that the back of the metallic connection parts and the backlight module
The area of plate electrical connection is equal to the area of the backboard.
7. display device according to claim 1, which is characterized in that the printed circuit board is located at backlight module back
Side from the display panel.
8. display device according to claim 7, which is characterized in that further include the second flexible circuit board, described second is soft
Property circuit board one end be electrically connected with the display panel, the other end of second flexible circuit board and printed circuit board electricity
Connection；
Second flexible circuit board faces away from the direction bending of the display side of the display panel, so that the printed circuit
Plate is located at the side that the backlight module deviates from the display panel.
9. display device according to claim 1, which is characterized in that the printed circuit board and the display panel same layer
Setting.
10. display device according to claim 1, which is characterized in that the printed circuit board and at least one described gold
Belong to interconnecting piece to be structure as a whole；The metallic connection parts are the portion that a metal layer in the printed circuit board extends to form
Point, the ground terminal of the printed circuit board is the engaging portion of the printed circuit board and the metallic connection parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203526.6U CN209103039U (en) | 2018-12-26 | 2018-12-26 | A kind of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203526.6U CN209103039U (en) | 2018-12-26 | 2018-12-26 | A kind of display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209103039U true CN209103039U (en) | 2019-07-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822203526.6U Active CN209103039U (en) | 2018-12-26 | 2018-12-26 | A kind of display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209103039U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426880A (en) * | 2019-08-14 | 2019-11-08 | 昆山国显光电有限公司 | Display panel and device |
| CN110928042A (en) * | 2019-11-25 | 2020-03-27 | 厦门天马微电子有限公司 | Display module, display device and impedance detection method of display module |
| CN110967852A (en) * | 2019-11-20 | 2020-04-07 | Tcl华星光电技术有限公司 | Liquid crystal display device having a plurality of pixel electrodes |
| CN112365796A (en) * | 2020-11-26 | 2021-02-12 | 京东方科技集团股份有限公司 | Backlight module and display device |
| WO2023159490A1 (en) * | 2022-02-25 | 2023-08-31 | 京东方科技集团股份有限公司 | Vehicle-mounted display device |
-
2018
- 2018-12-26 CN CN201822203526.6U patent/CN209103039U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426880A (en) * | 2019-08-14 | 2019-11-08 | 昆山国显光电有限公司 | Display panel and device |
| CN110426880B (en) * | 2019-08-14 | 2022-02-11 | 昆山国显光电有限公司 | Display panel and device |
| CN110967852A (en) * | 2019-11-20 | 2020-04-07 | Tcl华星光电技术有限公司 | Liquid crystal display device having a plurality of pixel electrodes |
| CN110928042A (en) * | 2019-11-25 | 2020-03-27 | 厦门天马微电子有限公司 | Display module, display device and impedance detection method of display module |
| CN110928042B (en) * | 2019-11-25 | 2022-05-03 | 厦门天马微电子有限公司 | Display module, display device and impedance detection method of display module |
| CN112365796A (en) * | 2020-11-26 | 2021-02-12 | 京东方科技集团股份有限公司 | Backlight module and display device |
| WO2023159490A1 (en) * | 2022-02-25 | 2023-08-31 | 京东方科技集团股份有限公司 | Vehicle-mounted display device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |