CN111208678A - Liquid crystal display panel - Google Patents
Liquid crystal display panel Download PDFInfo
- Publication number
- CN111208678A CN111208678A CN202010181086.8A CN202010181086A CN111208678A CN 111208678 A CN111208678 A CN 111208678A CN 202010181086 A CN202010181086 A CN 202010181086A CN 111208678 A CN111208678 A CN 111208678A
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- Prior art keywords
- array substrate
- liquid crystal
- display panel
- substrate
- crystal display
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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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 invention discloses a liquid crystal display panel, comprising: the array substrate comprises an attaching area and a non-attaching area; the color film substrate is arranged opposite to the array substrate and is positioned in an area corresponding to the non-attached area of the array substrate; the frame glue is arranged between the array substrate and the color film substrate; the flip chip thin film component is arranged on the surface of one side, close to the color film substrate, of the array substrate attaching area; the adhesive is arranged among the flip-chip thin film component, the color film substrate and the array substrate, so that the flip-chip thin film component is fixed on the array substrate; and the retaining wall is arranged between the frame glue and the bonding glue.
Description
Technical Field
The invention relates to the field of display device equipment, in particular to a liquid crystal display panel.
Background
Liquid Crystal Displays (LCDs) have many advantages such as thin body, power saving, no radiation, and the like, and are widely used. Such as: liquid crystal televisions, mobile phones, Personal Digital Assistants (PDAs), digital cameras, computer screens, notebook computer screens, or the like, are dominant in the field of flat panel displays.
The electric charges and control signals required by the pixel driving of the liquid crystal panel are all from an external Printed Circuit Board (PCB) and need to be transmitted to the liquid crystal panel through a Chip On Film (COF), and taffy (tuffy) glue is often adopted to protect and seal the COF in the traditional process, so that the water vapor is prevented from invading, and further, the electrode area is corroded to cause abnormal display.
As shown in fig. 1 and 2, after the COF400 is soldered to the array substrate 200, the taffy 500 is adhered to the color film substrate 100, the array substrate 200 and the COF400, although the joint 800 between the taffy 500 and the COF400 and the color film substrate 100 has a strong waterproof effect due to the good sealing performance and the long path to the electrode region 4001, due to the limitations of the process and the machine, a gap 600 may exist between the taffy 500 and the LCD sealant 300, and an inlet 700 may exist at the starting end of the taffy 500, so that moisture is easily infiltrated through the inlet 700 and reaches the electrode region 4001 of the COF400 along the gap 600, and thus the sealing performance of the joint 900 is poor, and the path of the moisture to the electrode region 4001 is shortest, thereby causing a problem of weak waterproof performance.
Disclosure of Invention
The invention provides a liquid crystal display panel, which can increase the path for soaking water vapor without increasing the cost or lowering the cost, block the water vapor inlet and improve the sealing property and the water resistance of the liquid crystal display panel.
In an embodiment of the present invention, a liquid crystal display panel is provided, including: the array substrate comprises an attaching area and a non-attaching area; the color film substrate is arranged opposite to the array substrate and is positioned in an area corresponding to the non-attached area of the array substrate; the frame glue is arranged between the array substrate and the color film substrate; the flip chip thin film component is arranged on the surface of one side, close to the color film substrate, of the array substrate attaching area; the adhesive is arranged among the flip-chip thin film component, the color film substrate and the array substrate, so that the flip-chip thin film component is fixed on the array substrate; and the retaining wall is arranged between the frame glue and the bonding glue.
Preferably, a plurality of the retaining walls are provided with a certain interval therebetween.
Preferably, the facing direction of the plurality of retaining walls is perpendicular to the arrangement direction of the flip-chip thin film components.
Preferably, a plurality of said retaining walls are staggered in a direction perpendicular to said retaining wall facing direction.
Preferably, at least one retaining wall is arranged on one side close to the adhesive in a space surrounded by the frame adhesive and the adhesive.
Preferably, the retaining wall is a columnar spacer.
Preferably, the retaining wall is made of photoresist.
Preferably, the adhesive glue is taffy glue.
In another embodiment of the present invention, there is also provided a liquid crystal display panel including: the array substrate comprises an attaching area and a non-attaching area; the color film substrate is arranged opposite to the array substrate and is positioned in an area corresponding to the non-attached area of the array substrate; the frame glue is arranged between the array substrate and the color film substrate; the flip chip thin film component is arranged on the surface of one side, close to the color film substrate, of the array substrate attaching area; the adhesive is arranged among the flip chip thin film component, the color film substrate and the array substrate, so that the flip chip thin film is fixed on the array substrate; the bonding glue is filled in a space surrounded by the flip chip thin film component, the frame glue, the color film substrate and the array substrate.
Preferably, the adhesive glue is taffy glue.
The invention has the advantages that the shape and the process of the adhesive can be optimized, gaps and inlets between the adhesive and other components are blocked, the path for soaking water vapor is increased and the water vapor inlet is blocked under the condition of not increasing the cost or lowering the cost, and the sealing property and the water resistance of the liquid crystal display panel are improved.
Drawings
FIG. 1 is a top view of a prior art adhesive portion;
FIG. 2 is a schematic diagram of a prior art adhesive portion;
FIG. 3 is a top view of an adhesive portion of embodiment 1 of the present invention;
FIG. 4 is a top view of the adhesive portion of the second embodiment of the present invention as shown in FIG. 2 and FIG. 3;
FIG. 5 is a schematic view showing the structure of an adhesive part in embodiment 1 of the present invention;
FIG. 6 is a schematic view showing the structure of an adhesive part in embodiment 2 of the present invention;
FIG. 7 is a schematic view of the structure of the adhesive portion in embodiment 3 of the present invention.
Detailed Description
The invention is further illustrated by the following figures and examples. It should be understood that the specific implementation examples described herein are only for the purpose of illustrating the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
When certain components are described as being "on" another component, the components can be directly on the other component; there may also be an intermediate member disposed on the intermediate member and the intermediate member disposed on the other member. When an element is referred to as being "mounted to" or "connected to" another element, they may be directly "mounted to" or "connected to" the other element or indirectly "mounted to" or "connected to" the other element through an intermediate element.
Referring to fig. 3 and 5, in the first embodiment of the present invention, the liquid crystal display panel includes: the display device comprises a color film substrate 10, an array substrate 20, frame glue 30, a flip-chip film component 40, adhesive glue 50 and a printed circuit board 60.
The array substrate 20 includes an attaching region 201 and a non-attaching region 202, the color film substrate 10 is disposed opposite to the array substrate 20 and is located in a region corresponding to the non-attaching region 202 of the array substrate 20, the sealant 30 is disposed between the color film substrate 10 and the array substrate 20, the flip-chip film component 40 is disposed on a side surface of the attaching region 201 of the array substrate 20 close to the color film substrate 10, the adhesive 50 is disposed between the flip-chip film component 40 and the color film substrate 10 and the array substrate 20, so that the flip-chip film component 40 is fixed on the array substrate 20, and the printed circuit board 60 is soldered on the flip-chip film component 40.
More specifically, the adhesive 50 may be taffey (taffey) glue, and the adhesive 50 is filled in the space surrounded by the flip chip film component 40, the sealant 30, the color filter substrate 10, and the array substrate 20 as shown in fig. 5 by changing the viscosity, the coating position, or the coating needle of the adhesive 50, so as to block the gap 1 and the inlet 2 between the adhesive 50 and the array substrate 20 and between the adhesive 50 and the color filter substrate 10, thereby enhancing the sealing performance and the waterproof performance of the display panel without increasing the cost.
Referring to fig. 4 and 6, in the second embodiment of the present invention, a retaining wall 70 is added in the prior art, the retaining wall 70 is disposed between the sealant 30 and the adhesive 50, at least the inlets 2 at both ends are provided with the retaining wall 70, the retaining wall 70 is formed by a reserved design on the photomask, the retaining wall 70 is composed of a Post Spacer (PS) and a color resistor, and the facing direction of the retaining wall 70 is perpendicular to the arrangement direction of the flip chip film components 40, so that the water vapor immersed from the inlets 2 can be effectively blocked. The retaining wall 70 may be made of a material capable of blocking moisture, such as photoresist.
The plurality of retaining walls 70 may be provided, a certain interval exists between the plurality of retaining walls 70, and even in a direction perpendicular to the facing direction of the retaining walls, the retaining walls may be arranged in a staggered manner, and when water still enters from the inlet 2 and is soaked through the gap 1, the path of water soaking into the electrode region 401 of the flip chip film component 40 is increased through the plurality of retaining walls 70 arranged in a staggered manner, so that the water resistance is enhanced. The rest of the component structures are the same as the first embodiment of the present invention, and are not described again.
Referring to fig. 4 and 7, in the third embodiment of the present invention, the advantages of the first and second embodiments are combined to increase the retaining wall 70 and to fill the adhesive 50 in the inlet 2.
Specifically, the adhesive 50 is filled in the inlet 2 formed by the flip chip film component 40, the color film substrate 10 and the array substrate 20 as shown in fig. 7 by changing the viscosity, the coating position or the coating needle of the adhesive 50, so as to block the inlet 2 and enhance the sealing performance and the water resistance, and a plurality of staggered retaining walls 70 are arranged behind the inlet, so that when water still enters from the inlet 2 and is soaked through the gap 1, the path of water soaking into the electrode region 401 of the flip chip film component 40 is increased through the plurality of staggered retaining walls 70, thereby enhancing the sealing performance and the water resistance of the display panel at low cost.
In summary, the liquid crystal display panel provided by the invention can block gaps and inlets between the adhesive and other components and increase paths for water vapor to enter through optimizing the shape and process of the adhesive and increasing the retaining wall without increasing cost or lowering cost, thereby effectively improving the sealing property and water resistance of the liquid crystal display panel.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A liquid crystal display panel, comprising:
the array substrate comprises an attaching area and a non-attaching area;
the color film substrate is arranged opposite to the array substrate and is positioned in an area corresponding to the non-attached area of the array substrate;
the frame glue is arranged between the array substrate and the color film substrate;
the flip chip thin film component is arranged on the surface of one side, close to the color film substrate, of the array substrate attaching area;
the adhesive is arranged among the flip-chip thin film component, the color film substrate and the array substrate, so that the flip-chip thin film component is fixed on the array substrate;
and the retaining wall is arranged between the frame glue and the bonding glue.
2. The liquid crystal display panel according to claim 1, wherein a plurality of the banks are provided with a certain interval therebetween.
3. The liquid crystal display panel according to claim 2, wherein the facing direction of the plurality of banks is perpendicular to the arrangement direction of the flip-chip film components.
4. The liquid crystal display panel according to claim 2, wherein the plurality of banks are arranged in a staggered manner in a direction perpendicular to a facing direction of the banks.
5. The liquid crystal display panel according to claim 2, wherein at least one of the retaining walls is disposed on a side close to the adhesive in a space surrounded by the sealant and the adhesive.
6. The liquid crystal display panel of claim 1, wherein the dam is a columnar spacer.
7. The liquid crystal display panel of claim 1, wherein the dam is made of a photoresist material.
8. The liquid crystal display panel of claim 1, wherein the adhesive glue is taffy glue.
9. A liquid crystal display panel, comprising:
the array substrate comprises an attaching area and a non-attaching area;
the color film substrate is arranged opposite to the array substrate and is positioned in an area corresponding to the non-attached area of the array substrate;
the frame glue is arranged between the array substrate and the color film substrate;
the flip chip thin film component is arranged on the surface of one side, close to the color film substrate, of the array substrate attaching area;
the adhesive is arranged among the flip chip thin film component, the color film substrate and the array substrate, so that the flip chip thin film is fixed on the array substrate;
the bonding glue is filled in a space surrounded by the flip chip thin film component, the frame glue, the color film substrate and the array substrate.
10. The liquid crystal display panel of claim 8, wherein the adhesive glue is taffy glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181086.8A CN111208678A (en) | 2020-03-16 | 2020-03-16 | Liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181086.8A CN111208678A (en) | 2020-03-16 | 2020-03-16 | Liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111208678A true CN111208678A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010181086.8A Pending CN111208678A (en) | 2020-03-16 | 2020-03-16 | Liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111208678A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562524A (en) * | 2020-12-04 | 2021-03-26 | Tcl华星光电技术有限公司 | Display panel and display panel manufacturing method |
| CN112951889A (en) * | 2021-02-01 | 2021-06-11 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113075810A (en) * | 2021-03-24 | 2021-07-06 | 重庆惠科金渝光电科技有限公司 | Display panel and display terminal |
| CN115548234A (en) * | 2022-09-20 | 2022-12-30 | 京东方科技集团股份有限公司 | Display module, preparation method thereof and display device |
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| JP2008250120A (en) * | 2007-03-30 | 2008-10-16 | Victor Co Of Japan Ltd | Liquid crystal display element |
| US20090237775A1 (en) * | 2008-03-21 | 2009-09-24 | Seiko Epson Corporation | Electro-optical display, electrophoretic display, and electronic device |
| CN103885249A (en) * | 2012-12-19 | 2014-06-25 | 索尼公司 | Moisture-proof structure and display device |
| US20160336538A1 (en) * | 2012-08-28 | 2016-11-17 | Semiconductor Energy Laboratory Co., Ltd. | Display device and manufacturing method thereof |
| CN108196386A (en) * | 2017-12-28 | 2018-06-22 | 惠州市华星光电技术有限公司 | A kind of liquid crystal display panel and preparation method thereof |
| CN109061957A (en) * | 2018-10-30 | 2018-12-21 | 昆山国显光电有限公司 | A kind of preparation method of display device and display device |
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2020
- 2020-03-16 CN CN202010181086.8A patent/CN111208678A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008250120A (en) * | 2007-03-30 | 2008-10-16 | Victor Co Of Japan Ltd | Liquid crystal display element |
| US20090237775A1 (en) * | 2008-03-21 | 2009-09-24 | Seiko Epson Corporation | Electro-optical display, electrophoretic display, and electronic device |
| US20160336538A1 (en) * | 2012-08-28 | 2016-11-17 | Semiconductor Energy Laboratory Co., Ltd. | Display device and manufacturing method thereof |
| CN103885249A (en) * | 2012-12-19 | 2014-06-25 | 索尼公司 | Moisture-proof structure and display device |
| CN108196386A (en) * | 2017-12-28 | 2018-06-22 | 惠州市华星光电技术有限公司 | A kind of liquid crystal display panel and preparation method thereof |
| CN109061957A (en) * | 2018-10-30 | 2018-12-21 | 昆山国显光电有限公司 | A kind of preparation method of display device and display device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562524A (en) * | 2020-12-04 | 2021-03-26 | Tcl华星光电技术有限公司 | Display panel and display panel manufacturing method |
| CN112562524B (en) * | 2020-12-04 | 2022-07-12 | Tcl华星光电技术有限公司 | Display panel and display panel manufacturing method |
| CN112951889A (en) * | 2021-02-01 | 2021-06-11 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN112951889B (en) * | 2021-02-01 | 2024-04-12 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113075810A (en) * | 2021-03-24 | 2021-07-06 | 重庆惠科金渝光电科技有限公司 | Display panel and display terminal |
| CN113075810B (en) * | 2021-03-24 | 2022-12-23 | 重庆惠科金渝光电科技有限公司 | Display panel and display terminal |
| CN115548234A (en) * | 2022-09-20 | 2022-12-30 | 京东方科技集团股份有限公司 | Display module, preparation method thereof and display device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200529 |