CN109166554A - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN109166554A CN109166554A CN201811245747.8A CN201811245747A CN109166554A CN 109166554 A CN109166554 A CN 109166554A CN 201811245747 A CN201811245747 A CN 201811245747A CN 109166554 A CN109166554 A CN 109166554A
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- China
- Prior art keywords
- circuit board
- flexible circuit
- source electrode
- display panel
- electrode driver
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 230000003068 static effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 230000008676 import Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005421 electrostatic potential Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a display device, which comprises a display panel, a circuit board and a first electrostatic shielding piece, wherein the display panel and the circuit board are respectively provided with a grounding end which is grounded; the source driver comprises a first flexible circuit board and a source driving chip bonded on the first flexible circuit board, and the first flexible circuit board is electrically connected with the display panel and the circuit board; the first electrostatic shielding part is covered on the source electrode driver or arranged around the periphery of the source electrode driver in a surrounding mode, and the first electrostatic shielding part is electrically connected with the display panel and/or the circuit board. The invention can enhance the electrostatic discharge protection capability of the source electrode driving chip and reduce the damage of electrostatic discharge to the source electrode driving chip.
Description
Technical field
The present invention relates to field of display technology, in particular to a kind of display device.
Background technique
Currently, display device drive circuit system specifically includes that turntable driving integrated circuit, also known as grid drive integrated circult
(Gate Driver Integrated Circuit, G-IC), usually with gate drivers (Gate-Chip on Film, G-
COF) form is presented, and gate drivers include grid drive chip (Gate-Chip)；Data-driven integrated circuit, also known as source
Drive integrated circult (Source Driver Integrated Circuit, S-IC), usually with source electrode driver (Source-
Chip on Film, S-COF) form presentation, source electrode driver includes source driving chip (Source-Chip)；Connect grid
The circuit board of drive integrated circult and display panel, also known as Y-PCB plate；The circuit of connection source drive integrated circult and display panel
Plate, also known as X-PCB plate；Sequence controller (Timing Controller, TCON) circuit board (abbreviation TCON plate), which is provided with
Sequence controller；Connect the flexible printed circuit (Flexible Printed Circuit, FPC) of Y-PCB plate and X-PCB plate；
And the flexible printed circuit of connection X-PCB plate and TCON plate.
Due to having more component in display device, there is different electrostatic potentials between different components, and
Electric charge transfer is easily caused when object between different electrostatic potentials is close to each other or direct contact, forms static discharge,
And electronic component is caused to damage.In display device during manufacturing, the friction between component can inevitably occur, from
And cause static discharge.Static discharge has greatly harm in display device during manufacturing.Static discharge can be with
Open cell (abbreviation OC refers to and attached polaroid, bonding and the display screen for being connected to peripheral driving circuit component) is wounded,
Causing the fraction defective of open cell can not have always been high any more, so that increase display device manufactures cost.
In order to reduce the fraction defective of open cell, display device production lines all at present realizes stringent antistatic and arranges
It applies.However electrostatic is this does not see impalpable thing and still at every moment threaten production yield, even terminal user
Use.With the continuous improvement that user requires product reliability, in addition in traditional test to the ESD of system entirety
(Electro Static Discharge, static discharge) test, more and more customer requirements are for source driving chip
Input terminal carries out ESD test, to reduce the fraction defective of open cell.ESD is prevented when existing in discovery source driving chip
When the weaker input terminal that can not be tested by ESD of shield ability, it is necessary to increase for the input terminal and its input signal
Additional ESD protection.
Summary of the invention
The main object of the present invention is to propose a kind of display device, it is intended to enhance the electrostatic discharge protective energy of S-COF chip
Power.
To achieve the above object, display device proposed by the present invention includes:
Display panel has the first ground terminal；
Circuit board has the second ground terminal；
Source electrode driver, the source drive core including the first flexible circuit board and bonding on first flexible circuit board
Piece, first flexible circuit board are electrically connected the display panel and the circuit board；And
First electrostatic sheild shield, is covered on the source electrode driver, or encloses set on all edges of the source electrode driver, institute
State the first electrostatic sheild shield and the display panel and/or the circuit board electrical connection.
Optionally, the first electrostatic sheild shield is the metalwork enclosed set on source electrode driver week edge.
Optionally, the first electrostatic sheild shield is copper band, and the source driving chip is located in the inner hole of the copper band.
Optionally, the first electrostatic sheild shield is the second flexible circuit board being covered on the source electrode driver, institute
State the second flexible circuit board and the source electrode driver gap setting.
Optionally, second flexible circuit board is provided with the first conductive tip on the source electrode driver, it is described
Second flexible circuit board corresponds to first conductive tip and the source electrode driver is provided with the second conductive tip.
Optionally, first conductive tip is triangle, the triangle along the section of the source electrode driver extending direction
One apex angle of shape is towards second flexible circuit board；And/or second conductive tip is along second flexible circuit board
The section of extending direction is triangle, and an apex angle of the triangle is towards the source electrode driver.
Optionally, first conductive tip is provided with multiple, and second tip corresponds to first conductive tip
It is provided with multiple.
Optionally, the display device further include:
Gate drivers, the gate driving core including third flexible circuit board and bonding on the third flexible circuit board
Piece, the third flexible circuit board are electrically connected the display panel and the circuit board；And
Second electrostatic sheild shield, is covered on the gate drivers, or encloses set on all edges of the gate drivers, institute
State the second electrostatic sheild shield and the display panel and/or the circuit board electrical connection.
Optionally, parallel interval is provided with multiple data lines in the vertical direction in the display panel, and in level side
Upward parallel interval is provided with multi-strip scanning line, and the source electrode driver is electrically connected with the data line, the gate drivers
It is electrically connected with the scan line.
The present invention also proposes a kind of display device, comprising:
Display panel has the first ground terminal of ground connection setting；
Circuit board has the second ground terminal of ground connection setting；
Source electrode driver, including the first flexible circuit board, the second flexible circuit board and bonding are in first flexible circuit
Source driving chip on plate, first flexible circuit board are electrically connected the display panel and the circuit board；Described second
Flexible circuit board is covered on the source electrode driver, second flexible circuit board and the source electrode driver gap setting,
Second flexible circuit board and the display panel and the circuit board electrical connection；Towards described on the source electrode driver
Two flexible circuit boards are provided with the first conductive tip, and second flexible circuit board corresponds to first conductive tip and towards institute
It states source electrode driver and is provided with the second conductive tip；And
Gate drivers, including third flexible circuit board, the 4th flexible circuit board and bonding are in the third flexible circuit
Grid drive chip on plate, the third flexible circuit board are electrically connected the display panel and the circuit board；Described 4th
Flexible circuit board is covered on the gate drivers, the 4th flexible circuit board and the gate drivers gap setting,
4th flexible circuit board and the display panel and the circuit board electrical connection；Towards described on the gate drivers
Four flexible circuit boards are provided with third conductive tip, and the 4th flexible circuit board corresponds to the third conductive tip and towards institute
It states gate drivers and is provided with the 4th conductive tip.
The first electrostatic sheild shield is arranged in technical solution of the present invention, and the first electrostatic sheild shield is covered on source electrode driver, or
It encloses set on all edges of source electrode driver, the first electrostatic sheild shield and display panel and/or circuit board electrical connection.In display device
The electrostatic generated during manufacturing, is directed at display panel and/or circuit board by the first electrostatic sheild shield, and then pass through display
The ground terminal of panel and/or the ground terminal of circuit board import the earth, to enhance the electrostatic discharge protective of source driving chip
Ability reduces damage of the static discharge to source driving chip.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the circuit structure block diagram of one embodiment of the display device of that present invention；
Fig. 2 is the connection schematic diagram of display panel, the first sub-circuit board and source electrode driver in Fig. 1；
Fig. 3 is the connection of the display device of that present invention another embodiment display panel, the first sub-circuit board and source electrode driver
Structural schematic diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.If occurring "and/or" in full text, meaning are as follows: including three schemes arranged side by side, by taking " A/B " as an example, including A scheme, or
The scheme that B scheme or A and B meet simultaneously.In addition, the technical solution between each embodiment can be combined with each other, but it is necessary
Be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occur it is conflicting or when cannot achieve
It will be understood that the combination of this technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of display device, which, which can be display, LCD TV or mobile phone etc., has
The electronic device of display panel.
In an embodiment of the present invention, as shown in Figure 1, the display device includes sequence controller 500, display panel
400, source electrode driver 100, gate drivers 200 and circuit board etc..The source electrode driver 100 includes the first flexible circuit board
102 and source driving chip 101 of the bonding on first flexible circuit board 102, gate drivers 200 include that third is flexible
The grid drive chip (not shown go out) of circuit board (not shown go out) and bonding on the third flexible circuit board.The circuit
Plate includes the first sub-circuit board 301 and the second sub-circuit board 302.First sub-circuit board 301 passes through the source electrode driver
100 are electrically connected with the display panel 400, and second sub-circuit board 302 passes through the gate drivers 200 and the display
Panel 400 is electrically connected.First flexible circuit board 102 of the source electrode driver 100 and the display panel 400 and described first
Sub-circuit board 301 is electrically connected, the third flexible circuit board of the gate drivers 200 and the display panel 400 and described the
The electrical connection of two sub-circuit boards 302.The sequence controller 500 and 302 electricity of first sub-circuit board 301 and the second sub-circuit board
Connection.
In the present embodiment, display panel 400 also has the first ground terminal (not shown go out) of ground connection setting, the display surface
The electrostatic generated on plate 400 can discharge a part, first sub-circuit board 301 and/or the second son by the first ground terminal
Circuit board 302 has the second ground terminal (not shown go out) of ground connection setting, first sub-circuit board 301 and/or the second son electricity
The electrostatic generated on road plate 302 can discharge a part by the second ground terminal.Wherein, in vertical direction in display panel 400
Upper parallel interval is provided with multiple data lines, and parallel interval is provided with multi-strip scanning line in the horizontal direction, and the source electrode drives
Dynamic device 100 is electrically connected with the data line, and the gate drivers 200 are electrically connected with the scan line, to realize the source
The data line electrical connection of pole driving chip 101 and the display panel, the grid drive chip (not shown go out) with it is described
The scan line of display panel 400 is electrically connected.
The sequence controller 500 include signal reading module (not shown go out), signal processing module (not shown go out) and
Signal output module (not shown go out), the signal reading module receive and read from external data-signal, control signal
And clock signal, and the signal processing module is passed to, these signals are converted into being suitble to by the signal processing module
The source driving chip 101 and the data-signal of the grid drive chip, control signal and clock signal, then by the letter
The output of number output module.Data-signal, control signal and clock signal after treatment, pass through 301 He of the first sub-circuit board
Second sub-circuit board 302, passes to source electrode driver 100 and gate drivers 200.The source drive core of source electrode driver 100
The grid drive chip of piece 101 and gate drivers 200 receives these signals, and amplifies processing to these signals, and defeated
Out to scan line or data line, to control the opening and closing of thin film transistor switch, and then 400 display is controlled the display panel.
In the present embodiment, the display device further includes the first electrostatic sheild shield 600, and the first electrostatic sheild shield lid is set
In the source electrode driver 100, or enclose set on all edges of the source electrode driver 100.First sub-circuit board 301 has
It is grounded the second ground terminal of setting, the first electrostatic sheild shield 600 and the display panel 400 and/or the first son electricity
Road plate 301 is electrically connected.
It is understood that three kinds of electrostatic protection modes can be used in the present embodiment, specifically, the first is: described
One electrostatic sheild shield is electrically connected with the display panel 400, and the first electrostatic sheild shield generates 100 periphery of source electrode driver quiet
Electric absorption, and discharged by the first ground terminal of display panel 400.Second is: the first electrostatic sheild shield and institute
The electrical connection of the first sub-circuit board 301 is stated, the first electrostatic sheild shield absorbs the electrostatic that 100 periphery of source electrode driver generates, and leads to
The second ground terminal for crossing first sub-circuit board is discharged.The third is: the first electrostatic sheild shield and the display
Panel 400 and first sub-circuit board 301 electrical connection, the first electrostatic sheild shield generate 100 periphery of source electrode driver quiet
Electric absorption, and released respectively by the first ground terminal of display panel 400 and the second ground terminal of the first sub-circuit board 301
It puts.
The first electrostatic sheild shield is arranged in technical solution of the present invention, and the first electrostatic sheild shield is covered on source electrode driver 100, or
Person encloses set on all edges of source electrode driver 100, the first electrostatic sheild shield and display panel 400 and/or 301 electricity of the first sub-circuit board
Connection.In the electrostatic of display device generated during manufacturing, by the first electrostatic sheild shield be directed at display panel 400 and/
Or first sub-circuit board 301, and then connect by the first ground terminal of display panel 400 and/or the second of the first sub-circuit board 301
Ground terminal imports the earth, to enhance the electro-static discharge protective ability of source driving chip 101, reduces static discharge to source electrode
The damage of driving chip 101.
In an embodiment of the present invention, as shown in Fig. 2, the first electrostatic sheild shield is to enclose set on the source electrode driver
The metalwork 103 on 100 weeks edges, the metalwork 103 and the display panel 400 and/or the circuit board electrical connection.It is showing
Device manufactures the electrostatic generated in the process, is conducted by the metalwork 103 to display panel 400 and/or circuit board,
And then by the ground terminal of display panel 400 and/or the ground terminal of circuit board, the earth is imported.The shape of the metalwork 103 is not
It limits, can be annulus, be also possible to Fang Huan, can also be the ring-type in rectangle, or enclose set on the source drive
The wire etc. on 100 weeks edges of device.The material of the metalwork 103 without limitation, can be metallic copper, silver, gold, aluminium etc..At this
In embodiment, the metalwork 103 is copper band, and the source driving chip 101 is located in the inner hole of the copper band.Metallic copper
Inexpensive and electric conductivity is good, while copper band is easily bought or is made.
In an alternative embodiment of the invention, as shown in figure 3, the first electrostatic sheild shield is covered on the source electrode driver
On 100, since the first electrostatic sheild shield is covered on the source electrode driver 100, relative to first electrostatic
Shielding part is enclosed set on all edges of the source electrode driver 100, and the probability that electrostatic imports the first electrostatic sheild shield increases, source electrode
The electro-static discharge protective ability of driving chip 101 increases.Specifically, in the present embodiment, the first electrostatic sheild shield is lid
The second flexible circuit board 600 on the source electrode driver 100, second flexible circuit board 600 and the source
100 gap setting of driver.Flexible circuit board is more typical electronic component, is easy to get.Simultaneously using flexible
Printed circuit board can use existing technique, batch production.It is appreciated that the first electrostatic sheild shield can also be lid
101 copper foil, aluminium foil etc. on the source electrode driver.
Further, in the present embodiment, it is set on the source electrode driver 100 towards second flexible circuit board 600
It is equipped with the first conductive tip 601, corresponding first conductive tip 601 of second flexible circuit board 600 and towards the source
Driver 100 is provided with the second conductive tip 601.If electrostatic is not directly conducted to second flexible circuit board 600, and
It is to conduct to the source electrode driver 100, at this time due to there is the presence of the first conductive tip 601 and the second conductive tip 602,
It conducts to the electrostatic of the source electrode driver 100, passes through the point discharge of the first conductive tip 601 and the second conductive tip 602
Effect conducts to second flexible circuit board 600, electrostatic is avoided to enter source driving chip 101 and damage source drive
Chip 102.
In order to enhance point discharge effect, first conductive tip 601 and the second conductive tip 602 can be arranged
It along the section of 100 extending direction of source electrode driver is triangle for, first conductive tip 601, the one of the triangle
A apex angle is towards second flexible circuit board；And/or second conductive tip 602 is along second flexible circuit board 600
The section of extending direction is triangle, and an apex angle of the triangle is towards the source electrode driver 100.
Optionally, first conductive tip 601 is provided with multiple, and second tip 602 corresponding described first is conductive
Tip 601 is also equipped with multiple.Obviously, multiple, Neng Gouzeng is all arranged in the first conductive tip 601 and the second conductive tip 602
The quantity for the turning circuit for adding point discharge to be formed.
In an embodiment of the present invention, the display device further includes the second electrostatic sheild shield (not shown go out), and described the
Two electrostatic sheild shield are covered on the gate drivers 200, or enclose set on all edges of the gate drivers 200.Described
Two sub-circuit boards 302 have the second ground terminal of ground connection setting, the second electrostatic sheild shield and the display panel 400 and/
Or second sub-circuit board 302 is electrically connected.
Similarly, three kinds of electrostatic protection modes can also be used in the present embodiment, specifically, the first is: second electrostatic
Shielding part is electrically connected with the display panel 400, and the second electrostatic sheild shield inhales the electrostatic that 200 periphery of gate drivers generates
It receives, and is discharged by the first ground terminal of display panel 400.Second is: the second electrostatic sheild shield and described the
The electrical connection of two sub-circuit boards 302, the second electrostatic sheild shield absorb the electrostatic that the periphery of gate drivers 200 generates, and pass through the
Second ground terminal of two sub-circuit boards 302 is discharged.The third is: the second electrostatic sheild shield and the display panel
400 and second sub-circuit board 302 electrical connection, the second electrostatic sheild shield the electrostatic that the periphery of gate drivers 200 generates is inhaled
It receives, and is discharged respectively by the first ground terminal of display panel 400 and the second ground terminal of the second sub-circuit board 302.
In the electrostatic of display device generated during manufacturing, display panel 400 is directed at by the second electrostatic sheild shield
And/or second sub-circuit board 302, and then pass through the first ground terminal of display panel 400 and/or the second sub-circuit board 302 the
Two ground terminals import the earth, to enhance the electro-static discharge protective ability of grid drive chip, reduce static discharge to grid
The damage of pole driving chip.
The present invention also proposes that another display device, the display device can be liquid crystal display, LCD TV or hand
Machine etc. has the electronic device of display panel.
In an embodiment of the present invention, as shown in Figure 1, the display device includes sequence controller 500, display panel
400, source electrode driver 100, gate drivers 200 and circuit board etc..The source electrode driver 100 includes the first flexible circuit board
102, the source driving chip 101 of the second flexible circuit board 600 and bonding on first flexible circuit board 102, grid drive
Dynamic device 200 includes third flexible circuit board (not shown go out), the 4th flexible circuit board (not shown go out) and bonding in the third
Grid drive chip (not shown go out) on flexible circuit board.The circuit board includes the first sub-circuit board 301 and the second son electricity
Road plate 302.First sub-circuit board 301 is electrically connected by the source electrode driver 100 with the display panel 400, described
Second sub-circuit board 302 is electrically connected by the gate drivers 200 with the display panel 400.The source electrode driver 100
The first flexible circuit board 102 be electrically connected with the display panel 400 and first sub-circuit board 301, the gate driving
The third flexible circuit board of device 200 is electrically connected with the display panel 400 and second sub-circuit board 302.The timing control
Device 500 processed is electrically connected with first sub-circuit board 301 and the second sub-circuit board 302.
In the present embodiment, display panel 400 also has the first ground terminal (not shown go out) of ground connection setting, the display surface
The electrostatic generated on plate 400 can discharge a part, first sub-circuit board 301 and the second sub-circuit by the first ground terminal
Plate 302 has the second ground terminal (not shown go out) of ground connection setting, first sub-circuit board 301 and the second sub-circuit board 302
The electrostatic of upper generation can discharge a part by the second ground terminal.In addition, between parallel in the vertical direction in display panel 400
Every being provided with multiple data lines, and in the horizontal direction, parallel interval is provided with multi-strip scanning line, the source electrode driver 100 with
The data line electrical connection, the gate drivers 200 are electrically connected with the scan line, to realize the source driving chip
101 with the data line electrical connection of the display panel 400, the grid drive chip (not shown go out) and the display panel
400 scan line is electrically connected.
Second flexible circuit board 600 is covered on the source electrode driver 100, second flexible circuit board 600
With 100 gap setting of source electrode driver, second flexible circuit board 600 and the display panel 400 and the circuit
Plate electrical connection；Second flexible circuit board 600 is provided with the first conductive tip 601, institute on the source electrode driver 100
It states corresponding first conductive tip 601 of the second flexible circuit board 600 and the source electrode driver 100 is provided with second and lead
Electric tip 602；4th flexible circuit board is covered on the gate drivers 200, the 4th flexible circuit board and institute
200 gap setting of gate drivers is stated, the 4th flexible circuit board is electrically connected with the display panel 400 and the circuit board
It connects；It is provided with third conductive tip (not shown go out) on the gate drivers 200 towards the 4th flexible circuit board, it is described
4th flexible circuit board corresponds to the third conductive tip and the gate drivers 200 is provided with the 4th conductive tip
(not shown go out).
The embodiment of the present invention is covered on the source electrode driver 100 by the second flexible circuit board 600, the 4th flexible electrical
Road plate is covered on the gate drivers 200, and it is conductive that the first conductive tip 601, the second conductive tip 602, third is arranged
Tip and the 4th conductive tip, in the electrostatic of display device generated during manufacturing, by 600 He of the second flexible circuit board
4th flexible circuit board is directed at display panel 400 and circuit board, and then passes through the first ground terminal and circuit board of display panel 400
The second ground terminal import the earth, to enhance the electro-static discharge protective ability of source driving chip and grid drive chip,
Reduce damage of the static discharge to source driving chip and grid drive chip.Meanwhile property printed circuit board is easy to manufacture, at
This is lower.In addition, can use existing technique using flexible circuit board, produce in batches.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of display device characterized by comprising
Display panel has the first ground terminal of ground connection setting；
Circuit board has the second ground terminal of ground connection setting；
Source electrode driver, the source driving chip including the first flexible circuit board and bonding on first flexible circuit board,
First flexible circuit board is electrically connected the display panel and the circuit board；And
First electrostatic sheild shield, is covered on the source electrode driver, or encloses set on all edges of the source electrode driver, described
One electrostatic sheild shield and the display panel and/or the circuit board electrical connection.
2. display device as described in claim 1, which is characterized in that the first electrostatic sheild shield is to enclose set on the source electrode
Driver week edge metalwork.
3. display device as claimed in claim 2, which is characterized in that the first electrostatic sheild shield is copper band, the source electrode
Driving chip is located in the inner hole of the copper band.
4. display device as described in claim 1, which is characterized in that the first electrostatic sheild shield is to be covered on the source electrode
The second flexible circuit board on driver, second flexible circuit board and the source electrode driver gap setting.
5. display device as claimed in claim 4, which is characterized in that towards second flexible electrical on the source electrode driver
Road plate is provided with the first conductive tip, and second flexible circuit board corresponds to first conductive tip and drives towards the source electrode
Dynamic device is provided with the second conductive tip.
6. display device as claimed in claim 5, which is characterized in that first conductive tip prolongs along the source electrode driver
The section for stretching direction is triangle, and an apex angle of the triangle is towards second flexible circuit board；And/or described second lead
Electric tip is triangle along the section of the second flexible circuit board extending direction, and an apex angle of the triangle is towards the source
Driver.
7. display device as claimed in claim 5, which is characterized in that first conductive tip be provided with it is multiple, described
Two tips correspond to first conductive tip be also equipped with it is multiple.
8. display device as described in claim 1, which is characterized in that the display device further include:
Gate drivers, the grid drive chip including third flexible circuit board and bonding on the third flexible circuit board,
The third flexible circuit board is electrically connected the display panel and the circuit board；And the second electrostatic sheild shield, it is covered on institute
Gate drivers are stated, or are enclosed set on all edges of the gate drivers, the second electrostatic sheild shield and the display panel
And/or the circuit board electrical connection.
9. display device as claimed in claim 8, which is characterized in that parallel interval in the vertical direction in the display panel
Be provided with multiple data lines, and parallel interval is provided with multi-strip scanning line in the horizontal direction, the source electrode driver with it is described
Data line electrical connection, the gate drivers are electrically connected with the scan line.
10. a kind of display device characterized by comprising
Display panel has the first ground terminal of ground connection setting；
Circuit board has the second ground terminal of ground connection setting；
Source electrode driver, including the first flexible circuit board, the second flexible circuit board and bonding are on first flexible circuit board
Source driving chip, first flexible circuit board is electrically connected the display panel and the circuit board；Described second is flexible
Circuit board cover is set on the source electrode driver, second flexible circuit board and the source electrode driver gap setting, described
Second flexible circuit board and the display panel and the circuit board electrical connection；It is soft towards described second on the source electrode driver
Property circuit board is provided with the first conductive tip, and second flexible circuit board corresponds to first conductive tip and towards the source
Driver is provided with the second conductive tip；And
Gate drivers, including third flexible circuit board, the 4th flexible circuit board and bonding are on the third flexible circuit board
Grid drive chip, the third flexible circuit board is electrically connected the display panel and the circuit board；Described 4th is flexible
Circuit board cover is set on the gate drivers, the 4th flexible circuit board and the gate drivers gap setting, described
4th flexible circuit board and the display panel and the circuit board electrical connection；It is soft towards the described 4th on the gate drivers
Property circuit board is provided with third conductive tip, and the 4th flexible circuit board corresponds to the third conductive tip and towards the grid
Driver is provided with the 4th conductive tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245747.8A CN109166554A (en) | 2018-10-23 | 2018-10-23 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245747.8A CN109166554A (en) | 2018-10-23 | 2018-10-23 | Display device |
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| Publication Number | Publication Date |
|---|---|
| CN109166554A true CN109166554A (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811245747.8A Pending CN109166554A (en) | 2018-10-23 | 2018-10-23 | Display device |
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| CN (1) | CN109166554A (en) |
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| CN114501967A (en) * | 2022-01-20 | 2022-05-13 | 绵阳惠科光电科技有限公司 | Display panel and electronic device |
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Application publication date: 20190108 |