CN108335634A - A kind of flexible circuit board FPC, liquid crystal display die set and display equipment - Google Patents
A kind of flexible circuit board FPC, liquid crystal display die set and display equipment Download PDFInfo
- Publication number
- CN108335634A CN108335634A CN201810214996.4A CN201810214996A CN108335634A CN 108335634 A CN108335634 A CN 108335634A CN 201810214996 A CN201810214996 A CN 201810214996A CN 108335634 A CN108335634 A CN 108335634A
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- fpc
- branch
- electrically connected
- connector
- earth
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the invention discloses a kind of flexible circuit board FPC, liquid crystal display die set and display equipment, the wherein line constructions of FPC to be：The ground wire of display screen is electrically connected with the first earth point in FPC, and the second earth point in FPC is electrically connected with the earth point of corresponding position in driving IC；The FPC further includes connector, and the first earth point is electrically connected by the first branch with connector, and the second earth point is electrically connected by the second branch with connector, and the first branch and the second branch are connected at connector.So, come from display screen electrostatic the first branch, connector, the second branch need to be sequentially entered along ground wire after, driving IC could be entered, the line construction for the FPC that thus embodiment of the present invention is provided can be effectively increased the length that the electrostatic from display screen enters the path of driving IC, so as to which electrostatic energy is effectively relieved, the antistatic effect of liquid crystal display die set is improved.
Description
Technical field
The present invention relates to a kind of field of terminal technology more particularly to flexible circuit board FPC, liquid crystal display die set and displays to set
It is standby.
Background technology
Currently, the terminal devices such as smart mobile phone are generally used 18:9 display screen, as display accounts for the continuous increasing of screen ratio
Add, influence of the display screen to complete machine is also continuously increased.By taking smart mobile phone as an example, when mobile phone is by ESD (Electro-static
Discharge, Electro-static Driven Comb) interference when, screen accounting it is bigger, the influence of electrostatic also can be accordingly amplified.
In order to enhance the antistatic effect of glass in liquid crystal display, the glass edge of display screen is all placed with ground
Line.In the prior art, the ground wire of glass surrounding by the earth point on the main FPC in liquid crystal display die set directly with driving IC on
Earth point connection.Since the ground wire of the glass surrounding of display screen is closed, after electrostatic impact, ground wire will produce a magnetic
Field termination power discharges to driving IC, so as to cause the damage of driving IC.
In conclusion there is an urgent need for a kind of flexible circuit board FPC at present, to improve the antistatic energy of liquid crystal display die set
Power.
Invention content
A kind of flexible circuit board FPC of present invention offer, liquid crystal display die set and terminal, to improve the anti-quiet of display module
Electric energy power.
A kind of FPC provided in an embodiment of the present invention, the FPC are applied to display module, and the display module further includes showing
Display screen, driving IC；The ground wire of the display screen is electrically connected with the first earth point in the FPC, the second ground connection in the FPC
Point is electrically connected with the earth point of corresponding position in the driving IC；
The FPC further includes connector, and first earth point is electrically connected by the first branch with the connector, described
Second earth point is electrically connected by the second branch with the connector, and the first branch and the second branch are in the company
It connects and is connected at device.
Optionally, include two the first earth points in the FPC, the both ends of the ground wire respectively with two the first earth points
Electrical connection；
Described two first earth points are electrically connected by two first branchs in parallel with the connector respectively.
Optionally, include two the first earth points in the FPC, the both ends of the ground wire respectively with two the first earth points
Electrical connection；
The first end and second end of the first branch is electrically connected with two the first earth points respectively, the first branch
Third end is electrically connected with the connector.
Optionally, pass through two parallel connections respectively including two the second earth points, described two second earth points in the FPC
The second branch be electrically connected with the connector.
Optionally, include two the second earth points in the FPC, the first end and second end of the second branch respectively with
Each second earth point electrical connection, the third end of the second branch is electrically connected with the connector.
Optionally, which is characterized in that be also in series with Zero-ohm resistor in the first branch.
Optionally, it is described driving IC in internal digital voltage pin IVDD and or internal simulation voltage pin IVEE connect
The circuit on ground is also in series with Zero-ohm resistor.
Based on same inventive concept, the present invention also provides a kind of liquid crystal display die set, liquid crystal display die set includes above-mentioned
Flexible circuit board FPC.
Based on same inventive concept, the present invention also provides a kind of display equipment, the terminal includes above-mentioned flexible circuitry
Plate FPC, the display module are liquid crystal display die set.
The embodiment of the present invention provides a kind of flexible circuit board FPC, which is applied to display module, is gone back in the display module
Including display screen and driving IC, the wherein ground wire of display screen is electrically connected with the first earth point in FPC, the second ground connection in FPC
Point is electrically connected with the earth point of corresponding position in driving IC；The FPC further includes connector, the first earth point by the first branch with
Connector is electrically connected, and the second earth point is electrically connected by the second branch with connector, and the first branch and the second branch are connecting
It is connected at device.In this way, the first branch, connector, the second branch, ability need to be sequentially entered along ground wire by coming from the electrostatic of display screen
Into driving IC, thus the line construction of FPC that is provided of the embodiment of the present invention can be effectively increased the electrostatic from display screen into
The length for entering to drive the path of IC improves the antistatic effect of liquid crystal display die set so as to which electrostatic energy is effectively relieved.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the cabling schematic configuration diagram of the liquid crystal display die set provided in the prior art；
Fig. 2 is a kind of structural schematic diagram of flexible circuit board provided in an embodiment of the present invention；
Fig. 3 is a kind of cabling schematic diagram of the liquid crystal display die set provided in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another flexible circuit board provided in the embodiment of the present invention；
Fig. 5 is the cabling schematic diagram of another liquid crystal display die set provided in the embodiment of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
One step it is described in detail, it is clear that described embodiment, only a part of the embodiment of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described in further detail with reference to the accompanying drawings of the specification.
PFC described in the embodiment of the present invention can be the main FPC in liquid crystal display die set, which is used to that IC will to be driven,
It is connected with the mainboard of smart machine, with transmitting display data, the smart machine can be the intelligence using LCD technology
Mobile phone, tablet computer, portable computer, personal digital assistant (Personal Digital Assistant, PDA) etc. are a variety of
The intelligent terminal of type, the present invention are not particularly limited this.
Fig. 1 is schematically illustrated in liquid crystal display die set in the prior art between FPC and driving IC, display screen ground wire
Connection structure, as shown in Figure 1,101 be the display screen glass of smart machine, 102 be that the surrounding below display screen glass is arranged
Ground wire, 103 be the driving IC of liquid crystal display die set, and 106 be the earth point for driving IC, and 104 be FPC, and 105 be the earth point of FPC.
As seen from Figure 1, it the earth point that is connect with display screen ground wire in FPC and is directly connected to the driving IC earth points connecting, this
Electrostatic of the sample from display screen ground wire is easy for enter inside driving IC, causes the damage of driving IC.
An embodiment of the present invention provides a kind of flexible circuit board FPC, which is applied in display module, other than FPC,
Further include driving IC, display screen in the display module.
Fig. 2 illustrates the circuit structure diagram of the first flexible circuit board provided in an embodiment of the present invention, such as Fig. 1 institutes
Show, 201 be the first earth point in FPC, and 202 be the second earth point in FPC, wherein the first earth point is used for and display screen
The both ends of ground wire are connected, and the second earth point is used to be electrically connected with the earth point of corresponding position in driving IC.
The FPC further includes connector, which is used to be connected to the mainboard of driving IC and smart machine, so that display
Module shows image under the mainboard control of smart machine.Specifically, the first earth point is electrically connected by the first branch and connector
It connecing, the second earth point is electrically connected by the second branch with connector, and the first branch and the second branch are connected only at connector,
And it is not connected at other positions.
In this way, come from the electrostatic in display screen ground wire, it just need to be successively through the first branch, connector, the second branch ability
It is transferred in driving IC, thus extends the path that the electrostatic in display screen enters driving IC, can be effectively relieved and discharge quiet
Electric flux, to avoid electrostatic from damaging driving IC.
Specifically, flexible circuit board provided in an embodiment of the present invention includes that (i.e. Fig. 2 includes two to two the first earth points
It is a 201).Optionally, two the first earth points can be electrically connected by two first branchs 205 in parallel with the connector respectively
It connects.It, can one in this way, come from the electrostatic of display screen since two the first earth points are connect with the both ends of display screen ground wire respectively
It is divided into two and is connected to connector by two branches, enter back into the second branch, it is seen then that is set as distinguishing by two the first earth points
Be connected with connector by a branch, increase in FPC alleviate electrostatic path, so as to be better protected from driving IC by
The damage of electrostatic.
Further include that (i.e. Fig. 2 includes two and connects two the second earth points in flexible circuit board provided in an embodiment of the present invention
Place 202).Optionally, two the second earth points are electrically connected by two the second branches 207 in parallel with connector respectively.Such as
This, come from display screen electrostatic enter connector after, can be divided into two by two the second branches be connected to driving IC, can
See, two the second earth points be set as being connected with connector by a branch respectively, also can reach increase FPC in alleviate it is quiet
The purpose in the path of electricity is damaged so as to be better protected from driving IC by electrostatic.
Based on same inventive concept, the embodiment of the present invention also provides a kind of liquid crystal display die set, and Fig. 3 is illustrated
A kind of cabling schematic diagram of liquid crystal display die set provided in an embodiment of the present invention, as shown in figure 3, the display module apply it is above-mentioned
The circuit structure of the first flexible circuit board, wherein two earth points 106 of driving IC are grounded with two second in FPC respectively
202 electrical connection of point, and the both ends of display screen ground wire 102 are electrically connected with two the first earth points 201 in FPC respectively.
Since the liquid crystal display die set applies the circuit structure of the first above-mentioned flexible circuit board, the liquid crystal
Show that module also has preferable antistatic effect, therefore repeats no more.
Fig. 4 illustrates the circuit structure diagram of another flexible circuit board provided in an embodiment of the present invention, such as Fig. 4 institutes
Show, which equally includes connector, two the first earth points, 201, two the second earth points 202, their effect
Also identical with the first flexible circuit board provided in an embodiment of the present invention, i.e., connector is for being connected to driving IC and smart machine
Mainboard, for being connected with the both ends of the ground wire of display screen, the second earth point is used for corresponding with driving IC the first earth point
The earth point of position is electrically connected.
As shown in figure 4, in the circuit of second of flexible circuit board, two the first earth points can have three ends by one
The first branch 205 be connected with connector, wherein the first end 2051 and second end 2052 of the first branch 205 are respectively with two
A first earth point electrical connection, and the third end 2053 of the first branch 205 is electrically connected with connector, the wherein first branch 205
The position of first end 2051 and second end 2052 is interchangeable.
Correspondingly, in the flexible circuit board, two the second earth points 202 can pass through a second branch with three ends
207 are connected with connector, wherein the first end 2071 and second end 2072 of the second branch 207 are grounded with two second respectively
Point 202 is electrically connected, and the third end 2073 of the second branch 207 is electrically connected with connector, wherein the first end of the second branch 207
2071 and second end 2072 position it is interchangeable..
In this way, the electrostatic that also can significantly extend in display screen ground wire enters the path of driving IC so that electrostatic energy accesses
Effectively alleviate and discharge, to avoid driving IC from being damaged.
Based on same inventive concept, the embodiment of the present invention also provides another liquid crystal display die set, and Fig. 5 is illustrated
The cabling schematic diagram of another liquid crystal display die set provided in an embodiment of the present invention, as shown in figure 5, the display module applies
The circuit structure of above-mentioned second of flexible circuit board, wherein driving IC two earth points 106 respectively with two second in FPC
Earth point 202 is electrically connected, and the both ends of display screen ground wire 102 are electrically connected with two the first earth points 201 in FPC respectively.
Since the liquid crystal display die set applies the circuit structure of above-mentioned second of flexible circuit board, the liquid crystal
Show that module also has preferable antistatic effect, therefore repeats no more.
Optionally, the circuit structure based on above two flexible circuit board comes from display to preferably alleviate and discharge
The electrostatic energy of screen, the embodiment of the present invention can also connect Zero-ohm resistor 206 in the first branch 205, to further increase
The antistatic effect of circuit.As shown in Figures 2 and 3, if flexible circuit board includes two first branchs 205 in parallel, that
Can connect Zero-ohm resistor 206 in two first branchs 205, and any road that also can be in two first branchs is connected
Zero-ohm resistor 206 (is temporarily not shown) in Fig. 2 and Fig. 3, and the present invention is not particularly limited this.
If the first earth point in flexible circuit board is electrically connected by the first branch 205 at three ends with connector, that
Both it can respectively connect Zero-ohm resistor close to the position of first end 2051 and second end 2052 in the first branch 205
206 (being temporarily not shown in Fig. 4 and Fig. 5), position series connection one that can also be close to third end 2053 in the first branch 205 are public
Zero-ohm resistor 206, this is not particularly limited this.
Shown in Fig. 2 and Fig. 4, there is also be different from the first earth point and second in the FPC that the embodiment of the present invention is provided
Other two earth point (i.e. Fig. 2 and Fig. 4 shown in 203 and 204) of earth point, the two earth points respectively in driving IC
Internal digital voltage pin IVDD be connected with internal simulation voltage pin IVEE, optionally, IVDD pins and or IVEE draw
The circuit of foot ground connection can also be in series with Zero-ohm resistor, in this way, in compared with the prior art that IVDD pins and IVEE pins is straight
The scheme for connecting the first capacity earth can further improve the antistatic effect in circuit, the safety of protection driving IC.
By the above it can be seen that：
The embodiment of the present invention provides a kind of flexible circuit board FPC, which is applied to display module, is gone back in the display module
Including display screen and driving IC, the wherein ground wire of display screen is electrically connected with the first earth point in FPC, the second ground connection in FPC
Point is electrically connected with the earth point of corresponding position in driving IC；The FPC further includes connector, the first earth point by the first branch with
Connector is electrically connected, and the second earth point is electrically connected by the second branch with connector, and the first branch and the second branch are connecting
It is connected at device.In this way, the first branch, connector, the second branch, ability need to be sequentially entered along ground wire by coming from the electrostatic of display screen
Into driving IC, thus the line construction of FPC that is provided of the embodiment of the present invention can be effectively increased the electrostatic from display screen into
The length for entering to drive the path of IC improves the antistatic effect of liquid crystal display die set so as to which electrostatic energy is effectively relieved.
Although the alternative embodiment of the present invention has been described, created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So the following claims are intended to be interpreted as include can
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of flexible circuit board FPC, which is characterized in that be applied to display module, the display module further includes display screen, drives
Dynamic IC；The ground wire of the display screen is electrically connected with the first earth point in the FPC, the second earth point in the FPC and institute
State the earth point electrical connection of corresponding position in driving IC；
The FPC further includes connector, and first earth point is electrically connected by the first branch with the connector, and described second
Earth point is electrically connected by the second branch with the connector, and the first branch and the second branch are in the connector
Place's conducting.
2. FPC according to claim 1, which is characterized in that include two the first earth points, the ground wire in the FPC
Both ends be electrically connected respectively with two the first earth points；
Described two first earth points are electrically connected by two first branchs in parallel with the connector respectively.
3. FPC according to claim 1, which is characterized in that include two the first earth points, the ground wire in the FPC
Both ends be electrically connected respectively with two the first earth points；
The first end and second end of the first branch is electrically connected with two the first earth points respectively, the third of the first branch
End is electrically connected with the connector.
4. FPC according to claim 1, which is characterized in that include two the second earth points in the FPC, it is described two
Second earth point is electrically connected by two the second branches in parallel with the connector respectively.
5. FPC according to claim 1, which is characterized in that include two the second earth points in the FPC, described second
The first end and second end of branch is electrically connected with each second earth point respectively, third end and the connection of the second branch
Device is electrically connected.
6. according to any one of claim 1 to 5 FPC, which is characterized in that be also in series with zero ohms in the first branch
Resistance.
7. FPC according to claim 6, which is characterized in that it is described driving IC in internal digital voltage pin IVDD and
Or the circuit of internal simulation voltage pin IVEE ground connection is also in series with Zero-ohm resistor.
8. a kind of liquid crystal display die set, which is characterized in that the liquid crystal display die set includes described in the claims 1 to 7
Flexible circuit board FPC.
9. a kind of display equipment, which is characterized in that include with the flexible circuit board FPC described in any one of claim 1 to 7,
The display module is liquid crystal display die set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214996.4A CN108335634A (en) | 2018-03-15 | 2018-03-15 | A kind of flexible circuit board FPC, liquid crystal display die set and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214996.4A CN108335634A (en) | 2018-03-15 | 2018-03-15 | A kind of flexible circuit board FPC, liquid crystal display die set and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108335634A true CN108335634A (en) | 2018-07-27 |
Family
ID=62932052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810214996.4A Pending CN108335634A (en) | 2018-03-15 | 2018-03-15 | A kind of flexible circuit board FPC, liquid crystal display die set and display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108335634A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285510A (en) * | 2018-09-11 | 2019-01-29 | 重庆惠科金渝光电科技有限公司 | A kind of display, display device and ground resistance adjusting method |
| CN112415818A (en) * | 2020-11-30 | 2021-02-26 | 华勤技术股份有限公司 | Display panel and electronic equipment |
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| CN203204267U (en) * | 2013-05-06 | 2013-09-18 | 北京京东方光电科技有限公司 | Array substrate and displayer |
| CN107611716A (en) * | 2017-08-23 | 2018-01-19 | 北京小米移动软件有限公司 | The system and electronic equipment of antistatic |
| CN208156943U (en) * | 2018-03-15 | 2018-11-27 | 华勤通讯技术有限公司 | A kind of flexible circuit board FPC, liquid crystal display die set and display equipment |
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| CN1794317A (en) * | 2005-12-27 | 2006-06-28 | 友达光电股份有限公司 | Display module possossing electrostatic protection function |
| CN101106863A (en) * | 2006-07-10 | 2008-01-16 | 三星电子株式会社 | Printed circuit board and electronic device having the same |
| CN101231398A (en) * | 2007-01-24 | 2008-07-30 | 胜华科技股份有限公司 | Liquid crystal panel having electrostatic braking measure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285510A (en) * | 2018-09-11 | 2019-01-29 | 重庆惠科金渝光电科技有限公司 | A kind of display, display device and ground resistance adjusting method |
| CN109285510B (en) * | 2018-09-11 | 2021-04-02 | 重庆惠科金渝光电科技有限公司 | Display, display device and grounding resistance adjusting method |
| CN112415818A (en) * | 2020-11-30 | 2021-02-26 | 华勤技术股份有限公司 | Display panel and electronic equipment |
| CN112415818B (en) * | 2020-11-30 | 2024-02-23 | 华勤技术股份有限公司 | Display panel and electronic equipment |
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