CN107728351A - A kind of integrated circuit and liquid crystal panel - Google Patents
A kind of integrated circuit and liquid crystal panel Download PDFInfo
- Publication number
- CN107728351A CN107728351A CN201711035423.7A CN201711035423A CN107728351A CN 107728351 A CN107728351 A CN 107728351A CN 201711035423 A CN201711035423 A CN 201711035423A CN 107728351 A CN107728351 A CN 107728351A
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- CN
- China
- Prior art keywords
- integrated circuit
- finger layer
- golden finger
- liquid crystal
- crystal panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of integrated circuit, including the first golden finger layer for being connected with flexible PCB and the second golden finger layer for being connected with liquid crystal panel viewing area；Wherein, the first golden finger layer is provided with multiple first pins, and every one first pin is equipped with the first discharge part to form point discharge effect on one end end face close to flexible PCB on the first golden finger layer.Present invention also offers a kind of liquid crystal panel.Implement the present invention, antistatic weak link on integrated circuit can be avoided to occur wound phenomenon, effectively reduce the damage of circuit and function in integrated circuit.
Description
Technical Field
The invention relates to the technical field of liquid crystal display, in particular to an integrated circuit and a liquid crystal panel.
Background
In recent years, with the rapid development of display technologies, liquid crystal panels have become the leading force of the display industry. In the liquid crystal panel, a control signal is transmitted from an input end of the flexible circuit board to an input port below the integrated circuit, then is converted by the integrated circuit and then is output to an output port above the integrated circuit, and finally, the signal is transmitted to a designated area of the panel through a fan-shaped circuit, so that the function driving of the panel is realized. Under the state that an integrated circuit is not bound, a large amount of charges are accumulated at an input port of the integrated circuit due to the generation of static electricity in the production process (such as the Cut process), when the charges reach a certain value, a breakdown phenomenon can be generated, so that the charges at the input end of the integrated circuit can be transmitted to an output end, and a golden finger area at the output end is used as an antistatic weak link, so that the explosion injury can be easily caused, and the damage to circuits and functions in the integrated circuit can be caused.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide an integrated circuit and a liquid crystal panel, which can prevent the explosion damage of the antistatic weak link on the integrated circuit, and effectively reduce the damage of the circuit and the function in the integrated circuit.
In order to solve the above technical problem, an embodiment of the present invention provides an integrated circuit, including a first golden finger layer for connecting with a flexible circuit board and a second golden finger layer for connecting with a display area of a liquid crystal panel; wherein,
the first golden finger layer is provided with a plurality of first pins, and each first pin on the first golden finger layer is provided with a first discharge part forming a point discharge effect on the end face close to one end of the flexible circuit board.
Wherein, the first discharge portion is a plurality of convex teeth.
The end face of one end, away from the flexible circuit board, of each first pin on the first golden finger layer is bent into an arc face.
The first metal wire is connected with the corresponding first pin on the first golden finger layer correspondingly.
Each first metal wire is arranged between the first golden finger layer and the second golden finger layer.
Wherein each first metal wire is made of metal molybdenum or metal titanium.
And the end surface of one end of each second pin on the second golden finger layer, which is far away from the display area of the liquid crystal panel, is bent into an arc surface.
The embodiment of the invention also provides a liquid crystal panel which comprises the integrated circuit, and the flexible circuit board and the liquid crystal panel display area which are correspondingly connected with the integrated circuit.
The flexible circuit board is provided with a third golden finger layer comprising a plurality of third pins and at least one second metal wire with two ends grounded; and each second metal wire is correspondingly connected with a corresponding third pin on the third gold finger layer.
And at least one second zigzag metal wire is arranged on the flexible circuit board.
A second discharging part forming a point discharging effect is arranged on the end face of one end or two ends of each third pin on the third golden finger layer; wherein the second discharge portion is a plurality of convex teeth.
The embodiment of the invention has the following beneficial effects:
1. in the embodiment of the invention, as the first pin of the first golden finger layer on the integrated circuit is designed into a sawtooth shape formed by a plurality of convex teeth (namely, a first discharge part with a point discharge effect is formed) from a traditional horizontal right-angle shape at one end close to the flexible circuit board, the input curvature of the flexible circuit board is increased, and electrostatic energy possibly introduced into the integrated circuit by the flexible circuit board during the process can be released; meanwhile, the first pin of the first golden finger layer is designed into an arc surface shape from the traditional horizontal right-angle shape at the end far away from the flexible circuit board, so that point discharge can be avoided, static electricity is reduced to cross the second golden finger layer, the explosion damage phenomenon of an antistatic weak link (such as the second golden finger layer) on the integrated circuit can be avoided, and the damage of circuits and functions in the integrated circuit is effectively reduced;
2. in the embodiment of the invention, at least one first metal wire with two ends grounded is arranged between the first golden finger layer and the second golden finger layer on the integrated circuit, and the first metal wire with two ends grounded is connected with one corresponding first pin of the first golden finger layer, so that the static electricity of the first pin of the first golden finger layer is quickly released, further, the explosion phenomenon of an antistatic weak link (such as the second golden finger layer) on the integrated circuit can be avoided, and the damage of circuits and functions in the integrated circuit is effectively reduced;
3. in the embodiment of the invention, the flexible circuit board is also provided with the second metal wire for electrostatic discharge, and the second metal wire with two grounded ends is connected with one corresponding third pin of the third golden finger layer on the flexible circuit board, or the end surface of the third pin of the third golden finger layer on the flexible circuit board is directly designed into a sawtooth shape formed by a plurality of convex teeth (namely, a second discharge part with a point discharge effect is formed), so that the electrostatic of the flexible circuit board is rapidly discharged before entering the integrated circuit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
FIG. 1 is a partial cross-sectional view of a prior art liquid crystal panel;
FIG. 2 is a partial cross-sectional view of an integrated circuit according to an embodiment of the present invention;
fig. 3 is a partial cross-sectional view of a liquid crystal panel according to a second embodiment of the present invention when the corresponding integrated circuit and the flexible circuit board are not connected;
FIG. 4 is a partial cross-sectional view of a liquid crystal panel with a corresponding IC and a flexible printed circuit board connected according to a second embodiment of the present invention
Fig. 5 is a partial cross-sectional view of another liquid crystal panel provided in the third embodiment of the present invention when the corresponding integrated circuit and the flexible circuit board are not connected;
fig. 6 is a partial cross-sectional view of another liquid crystal panel provided in the third embodiment of the present invention when its corresponding integrated circuit and flexible circuit board are connected.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
The inventor finds that, as shown in fig. 1, in the liquid crystal panel of the prior art, the pins connected to the flexible circuit board on the integrated circuit and the pins connected to the display area of the liquid crystal panel are both designed in a conventional horizontal right-angle shape, and the design of the conventional structure is difficult to effectively protect the integrated circuit from static electricity, especially to avoid static electricity introduced into the integrated circuit by the flexible circuit board during the manufacturing process, without changing the prior art. Therefore, the inventor needs to provide a new structure design for an integrated circuit based on the existing process, so as to release the static electricity in the process without affecting the functions in the integrated circuit.
As shown in fig. 2, a new integrated circuit proposed by the inventor in the first embodiment of the present invention includes a first golden finger layer 1 for connecting with a flexible circuit board and a second golden finger layer 2 for connecting with a display area of a liquid crystal panel; wherein,
be equipped with a plurality of first pins on first golden finger layer 1, and each first pin all is equipped with the first discharge portion that forms the point discharge effect on the one end terminal surface that is close to the flexible circuit board on first golden finger layer 1, thereby make on first golden finger layer 1 each first pin form point discharge in the one end that is close to the flexible circuit board, avoid the static in the processing procedure by the leading-in integrated circuit of flexible circuit board, it strides second golden finger layer 2 to reduce static, thereby can avoid on the integrated circuit antistatic weak link (like second golden finger layer 2) appear exploding wound phenomenon, the damage of effectual reduction integrated circuit inner line and function.
In one embodiment, the first discharge portion is designed as a plurality of convex teeth, so that the outer contour of one end of each first pin on the first golden finger layer 1, which is close to the flexible circuit board, is in a zigzag shape, and thus, a point discharge effect can be formed through the convex teeth.
Furthermore, the end face of one end of each first pin on the first golden finger layer 1, which is far away from the flexible circuit board, is bent into an arc surface, so that the first golden finger layer 1 can be prevented from forming point discharge inside the integrated circuit, and the probability of electrostatic bridging to the second golden finger layer 2 is reduced.
Furthermore, the metal structure further comprises at least one first metal wire 3 with two ends grounded, and each first metal wire 3 is correspondingly connected with a corresponding first pin on the first golden finger layer 1, so that static electricity can be further prevented from being bridged on the second golden finger layer 2, and the probability of explosion damage of the second golden finger layer 2 is reduced. It should be noted that the first pins on the first gold finger layer 1, which are correspondingly connected to the first metal lines 3, are usually disposed at two ends of the first gold finger layer 1, and give specific signal processing when connected to the flexible circuit board.
Each first metal wire is arranged between the first golden finger layer 1 and the second golden finger layer 2, and each metal wire 3 is made of metal molybdenum or metal titanium. It should be noted that the metal line 3 is grounded by connecting to the peripheral ground line of the integrated circuit.
In one embodiment, there are two first metal wires 3, each of which is made of metal titanium.
Furthermore, the second golden finger layer 2 is provided with a plurality of second pins, and the end face of one end of each second pin on the second golden finger layer 2, which is far away from the liquid crystal panel display area, is bent into an arc surface, so that static electricity formed in the liquid crystal panel display area is prevented from being led in reversely to form point discharge, and the point discharge is formed, and the loss of circuits and functions in the integrated circuit is reduced.
As shown in fig. 3 and fig. 4, a second embodiment of the present invention provides a liquid crystal panel corresponding to the integrated circuit of the first embodiment of the present invention, which includes the integrated circuit of the first embodiment of the present invention, a flexible circuit board correspondingly connected to the integrated circuit of the first embodiment of the present invention, and a display area of the liquid crystal panel. The integrated circuit of the second embodiment of the present invention and the integrated circuit of the first embodiment of the present invention have the same structure and connection relationship, and please refer to the related contents in the first embodiment of the present invention, which is not described in detail herein.
As shown in fig. 5 and fig. 6, a third embodiment of the present invention provides another liquid crystal panel corresponding to the integrated circuit of the first embodiment of the present invention, including the integrated circuit of the third embodiment of the present invention, the flexible circuit board correspondingly connected to the integrated circuit of the third embodiment of the present invention, and the display area of the liquid crystal panel. The integrated circuit according to the third embodiment of the present invention and the integrated circuit according to the first embodiment of the present invention have the same structure and connection relationship, and please refer to the related contents in the first embodiment of the present invention, which is not described in detail herein.
However, the flexible circuit board in the third embodiment of the present invention is provided with a third gold finger layer 4 including a plurality of third pins and at least one second metal wire 5 with two ends grounded; each second metal wire 5 is correspondingly connected with a corresponding third pin on the third gold finger layer 4, so that static electricity of the flexible circuit board is quickly released before entering the integrated circuit.
Furthermore, at least one second metal wire 5 is arranged on the flexible circuit board in a sawtooth shape, and point discharge is formed through the sawtooth, so that static electricity on the flexible circuit board is further released.
Furthermore, a second discharging part for forming a point discharging effect is arranged on the end surface of one end or two ends of each third pin on the third golden finger layer 4; wherein, the second discharging part is a plurality of convex teeth, thus further enhancing the effect of releasing static electricity on the flexible circuit board.
The embodiment of the invention has the following beneficial effects:
1. in the embodiment of the invention, as the first pin of the first golden finger layer on the integrated circuit is designed into a sawtooth shape formed by a plurality of convex teeth (namely, a first discharge part with a point discharge effect is formed) from a traditional horizontal right-angle shape at one end close to the flexible circuit board, the input curvature of the flexible circuit board is increased, and electrostatic energy possibly introduced into the integrated circuit by the flexible circuit board during the process can be released; meanwhile, the first pin of the first golden finger layer is designed into an arc surface shape from the traditional horizontal right-angle shape at the end far away from the flexible circuit board, so that point discharge can be avoided, static electricity is reduced to cross the second golden finger layer, the explosion damage phenomenon of an antistatic weak link (such as the second golden finger layer) on the integrated circuit can be avoided, and the damage of circuits and functions in the integrated circuit is effectively reduced;
2. in the embodiment of the invention, at least one first metal wire with two ends grounded is arranged between the first golden finger layer and the second golden finger layer on the integrated circuit, and the first metal wire with two ends grounded is connected with one corresponding first pin of the first golden finger layer, so that the static electricity of the first pin of the first golden finger layer is quickly released, further, the explosion phenomenon of an antistatic weak link (such as the second golden finger layer) on the integrated circuit can be avoided, and the damage of circuits and functions in the integrated circuit is effectively reduced;
3. in the embodiment of the invention, the flexible circuit board is also provided with the second metal wire for electrostatic discharge, and the second metal wire with two grounded ends is connected with one corresponding third pin of the third golden finger layer on the flexible circuit board, or the end surface of the third pin of the third golden finger layer on the flexible circuit board is directly designed into a sawtooth shape formed by a plurality of convex teeth (namely, a second discharge part with a point discharge effect is formed), so that the electrostatic of the flexible circuit board is rapidly discharged before entering the integrated circuit.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. The integrated circuit is characterized by comprising a first golden finger layer and a second golden finger layer, wherein the first golden finger layer is used for being connected with a flexible circuit board, and the second golden finger layer is used for being connected with a display area of a liquid crystal panel; wherein,
the first golden finger layer is provided with a plurality of first pins, and each first pin on the first golden finger layer is provided with a first discharge part forming a point discharge effect on the end face close to one end of the flexible circuit board.
2. The integrated circuit of claim 1, wherein the first discharge portion is a plurality of teeth.
3. The integrated circuit of claim 2, wherein an end surface of each first pin on the first gold finger layer, which is away from one end of the flexible circuit board, is bent into a cambered surface.
4. The integrated circuit of claim 3, further comprising at least one first metal line with two ends grounded, and each first metal line is connected to a corresponding first pin on the first gold finger layer.
5. The integrated circuit of claim 4, wherein each of the first metal lines is disposed between the first gold finger layer and the second gold finger layer.
6. The integrated circuit of claim 5, wherein the second gold finger layer is provided with a plurality of second pins, and an end surface of one end of each second pin on the second gold finger layer, which is far away from the liquid crystal panel display area, is bent into an arc surface.
7. A liquid crystal panel comprising the integrated circuit of any one of claims 1 to 7 and a corresponding connected flexible circuit board and a liquid crystal panel display area.
8. The liquid crystal panel of claim 7, wherein the flexible circuit board is provided with a third gold finger layer including a plurality of third pins and at least one second metal wire with two ends grounded; and each second metal wire is correspondingly connected with a corresponding third pin on the third gold finger layer.
9. The liquid crystal panel of claim 8, wherein the flexible circuit board has at least one second metal line formed in a zigzag pattern.
10. The liquid crystal panel according to claim 9, wherein a second discharge portion for forming a point discharge effect is disposed on an end surface of one end or both ends of each third pin on the third gold finger layer; wherein the second discharge portion is a plurality of convex teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035423.7A CN107728351B (en) | 2017-10-30 | 2017-10-30 | Integrated circuit and liquid crystal panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035423.7A CN107728351B (en) | 2017-10-30 | 2017-10-30 | Integrated circuit and liquid crystal panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107728351A true CN107728351A (en) | 2018-02-23 |
| CN107728351B CN107728351B (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711035423.7A Active CN107728351B (en) | 2017-10-30 | 2017-10-30 | Integrated circuit and liquid crystal panel |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572486A (en) * | 2018-04-27 | 2018-09-25 | 武汉华星光电技术有限公司 | Array substrate and display panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101201482A (en) * | 2006-12-15 | 2008-06-18 | 胜华科技股份有限公司 | Liquid crystal panel with electrostatic protection effect and manufacturing method thereof |
| CN101998754A (en) * | 2009-08-26 | 2011-03-30 | 金宝电子工业股份有限公司 | Electrostatic discharge protection structure and electronic device using same |
| CN101616536B (en) * | 2008-06-25 | 2011-06-29 | 胜华科技股份有限公司 | Circuit board with electrostatic discharge protection and liquid crystal module and electronic device using it |
| CN202009540U (en) * | 2011-04-27 | 2011-10-12 | 深圳威迈斯电源有限公司 | Printed circuit board (PCB) with point discharge |
-
2017
- 2017-10-30 CN CN201711035423.7A patent/CN107728351B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101201482A (en) * | 2006-12-15 | 2008-06-18 | 胜华科技股份有限公司 | Liquid crystal panel with electrostatic protection effect and manufacturing method thereof |
| CN101616536B (en) * | 2008-06-25 | 2011-06-29 | 胜华科技股份有限公司 | Circuit board with electrostatic discharge protection and liquid crystal module and electronic device using it |
| CN101998754A (en) * | 2009-08-26 | 2011-03-30 | 金宝电子工业股份有限公司 | Electrostatic discharge protection structure and electronic device using same |
| CN202009540U (en) * | 2011-04-27 | 2011-10-12 | 深圳威迈斯电源有限公司 | Printed circuit board (PCB) with point discharge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572486A (en) * | 2018-04-27 | 2018-09-25 | 武汉华星光电技术有限公司 | Array substrate and display panel |
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| CN107728351B (en) | 2020-07-31 |
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