CN110928009A - Liquid crystal display panel - Google Patents
Liquid crystal display panel Download PDFInfo
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- CN110928009A CN110928009A CN201911177126.5A CN201911177126A CN110928009A CN 110928009 A CN110928009 A CN 110928009A CN 201911177126 A CN201911177126 A CN 201911177126A CN 110928009 A CN110928009 A CN 110928009A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 90
- 239000000758 substrate Substances 0.000 claims abstract description 55
- 239000011241 protective layer Substances 0.000 claims abstract description 30
- 239000003292 glue Substances 0.000 claims abstract description 24
- 239000004697 Polyetherimide Substances 0.000 claims abstract description 11
- 229920001601 polyetherimide Polymers 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 37
- 239000010408 film Substances 0.000 claims description 23
- 239000000565 sealant Substances 0.000 claims description 20
- 239000010409 thin film Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 239000011229 interlayer Substances 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- 210000002858 crystal cell Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Images
Classifications
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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
-
- 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
-
- 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 embodiment of the application provides a liquid crystal display panel, which comprises a color film substrate, an array substrate and frame glue, wherein the array substrate is arranged opposite to the color film substrate, and the frame glue is clamped between the periphery of the color film substrate and the periphery of the array substrate; the array substrate is provided with an auxiliary circuit and a protective layer covering the auxiliary circuit on the surface, and the auxiliary circuit and the frame glue are arranged in an alignment mode. The protective layer in the embodiment of the application is made of polyetherimide, so that the metal wires in the auxiliary circuit can be effectively prevented from corroding the frame glue by external water vapor and pollutants, the metal wires are protected, and some abnormal pictures of the liquid crystal display panel are avoided.
Description
Technical Field
The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal display panel.
Background
Flat panel Display devices such as Liquid Crystal Displays (LCDs) have advantages such as high image quality, power saving, thin body, and wide application range, and thus are widely used in various consumer electronics products such as mobile phones, televisions, personal digital assistants, digital cameras, notebook computers, and desktop computers, and are becoming the mainstream of Display devices.
In the manufacture of the liquid crystal display panel, the frame is expected to be narrower and narrower, and the introduction of the Gate Driver on array (GOA) technology can well solve the problem of the narrow frame and limit the frame size to be within the range of 7-20 mm. The GOA replaces COF, and integrates the scanning circuit on the panel side frame, reducing the Gate (Gate driving module) side width. As shown in fig. 1, the GOA circuit includes a data lead, a scan clock lead, a common electrode lead, a liquid crystal alignment signal line, and a power signal line, a gap 1011 is disposed between the scan clock lead 101 and the scan clock lead 102, a gap 1021 and a gap 1031 are disposed on both sides of the liquid crystal alignment signal line 103, the power signal line 104 is disposed on the right side of the liquid crystal alignment signal line 103, and the sealant is disposed on the scan clock lead 102, the liquid crystal alignment signal line 103, and the power signal line 104. When the water-blocking performance of the frame adhesive (Seal) is poor, water vapor can enter from the gaps between the metal signal lines and contact with the metal lines below, so that the metal lines below can be corroded, a short circuit between the GOA circuit and the array substrate side driving signal is caused, the pixel electrode signal is abnormal, the liquid crystal display panel cannot be normally lightened, and the liquid crystal display panel has the conditions of poor line type, abnormal display and the like. And secondly, a hard fiber structure exists in the frame glue, and the fiber structure can pierce through the metal wires, so that short circuit among different metal signal wires is caused, and the display of the liquid crystal display panel is influenced.
Therefore, in the prior art, the middle frame glue of the liquid crystal display panel has poor water blocking performance, water vapor enters the middle frame glue and contacts with the lower metal wire, so that the lower metal wire is corroded, a short circuit between the GOA circuit and the array substrate side driving signal is caused, the reliability of the GOA circuit cannot be ensured, and the technical problem that the display quality of the liquid crystal display panel is influenced needs to be improved.
Disclosure of Invention
The embodiment of the application provides a liquid crystal display panel, can solve among the prior art liquid crystal display panel center glue water blocking performance not good, have steam to get into, with the contact of below metal wire, can cause below metal wire to be corroded, cause GOA circuit and array base plate side drive signal short circuit, can't ensure the reliability of GOA circuit, influence liquid crystal display panel's the technical problem of demonstration quality.
The embodiment of the application provides a liquid crystal display panel, which comprises a color film substrate, an array substrate and frame glue, wherein the array substrate is arranged opposite to the color film substrate, and the frame glue is clamped between the periphery of the color film substrate and the periphery of the array substrate; the array substrate is provided with an auxiliary circuit and a protective layer covering the auxiliary circuit, and the auxiliary circuit and the frame glue are arranged in a contraposition mode.
According to a preferred embodiment of the present invention, the auxiliary circuit, the protective layer and the sealant are all located in a non-display region of the liquid crystal display panel.
According to a preferred embodiment of the present invention, the auxiliary circuit and the protective layer are disposed at an interval, and the sealant is disposed in a closed loop.
According to a preferred embodiment of the present invention, the material of the protection layer is polyetherimide.
According to a preferred embodiment of the present invention, the protective layer and the sealant are synchronously formed by a same process, and the thickness of the protective layer is in a range of 0.5um to 2 um.
According to a preferred embodiment of the present invention, the auxiliary circuit comprises a plurality of GOA driving units, and an input unit and an output unit connected to the GOA driving units; the GOA driving unit comprises a driving thin film transistor, the input unit comprises a starting signal line, a liquid crystal alignment signal line and a clock signal line, the liquid crystal alignment signal line is electrically connected with a source electrode of the driving thin film transistor, and the clock signal line is electrically connected with a grid electrode of the driving thin film transistor.
According to a preferred embodiment of the present invention, each of the GOA driving units is connected to 1 clock signal line and 1 liquid crystal alignment signal line.
According to a preferred embodiment of the present invention, the clock signal line and the liquid crystal alignment signal line are electrically connected to the flip chip film at the edge of the liquid crystal display panel, respectively.
According to a preferred embodiment of the present invention, the clock signal line and the liquid crystal alignment signal line are disposed in the same layer as the source/drain of the display region in the liquid crystal display panel.
According to a preferred embodiment of the present invention, the GOA driving units are driven simultaneously at two sides, one side of the GOA driving units only includes odd-level GOA driving units for scanning pixels in odd rows of the liquid crystal display panel, and the other side of the GOA driving units only includes even-level GOA driving units for scanning pixels in even rows of the liquid crystal display panel.
The invention has the beneficial effects that: the embodiment of the application provides a liquid crystal display panel, which comprises a color film substrate, an array substrate and frame glue, wherein the array substrate is arranged opposite to the color film substrate, and the frame glue is clamped between the periphery of the color film substrate and the periphery of the array substrate; the array substrate is provided with an auxiliary circuit and a protective layer covering the auxiliary circuit on the surface, and the auxiliary circuit and the frame glue are arranged in an alignment mode. The protective layer in the embodiment of the application is made of polyetherimide, so that the metal wires in the auxiliary circuit can be effectively prevented from corroding the frame glue by external water vapor and pollutants, the metal wires are protected, and some abnormal pictures of the liquid crystal display panel are avoided.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic position diagram of a metal signal line and a plastic frame in a liquid crystal display panel in the prior art.
Fig. 2 is a schematic view of a film structure of a liquid crystal display panel according to an embodiment of the present disclosure.
Fig. 3 is a schematic diagram of a rubber frame structure of a liquid crystal display panel according to an embodiment of the present application.
Fig. 4 is a schematic view of a chemical structure of a passivation layer material in an lcd panel according to an embodiment of the present disclosure.
Fig. 5 is a circuit diagram of an auxiliary circuit in an lcd panel according to an embodiment of the present disclosure.
Fig. 6 is a schematic top view of a liquid crystal display panel according to an embodiment of the present application.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring 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. In the drawings, elements having similar structures are denoted by the same reference numerals, and broken lines in the drawings indicate that the elements do not exist in the structures, and only the shapes and positions of the structures are explained.
The invention aims at the technical problems that in the prior art, the middle frame glue of the liquid crystal display panel has poor water resistance, water vapor enters the middle frame glue and contacts with a lower metal wire, the lower metal wire is corroded, a GOA circuit and an array substrate side driving signal are short-circuited, the reliability of the GOA circuit cannot be ensured, and the display quality of the liquid crystal display panel is influenced.
As shown in fig. 2, an embodiment of the present application provides a schematic diagram of a film structure of a liquid crystal display panel 200, where the liquid crystal display panel 200 includes a color film substrate 203, an array substrate 201 disposed opposite to the color film substrate 203, and a sealant 2023 interposed between a periphery of the color film substrate 203 and a periphery of the array substrate 201; an auxiliary circuit 2011 and a protective layer 2024 covering the auxiliary circuit 2011 are prepared on the surface of the array substrate 201, and the auxiliary circuit 2011 is aligned with the sealant 2024.
In detail, the specific structure of the color filter substrate 203 is not shown in fig. 2, and includes a first substrate, a light-shielding layer formed on the first substrate, a color set layer covering the light-shielding layer, and a common electrode formed on the color set layer. The liquid crystal layer 202 includes a liquid crystal cell 2021, a liquid crystal 2022 in the liquid crystal cell 2021, and a sealant 2023 around the liquid crystal cell 2021, wherein the sealant 2023 includes a first sealant 20231 and a first sealant 20232.
The specific structure of the array substrate 201 is not shown in fig. 2, and is preferably a top gate TFT device, and includes a light-shielding layer prepared on a second substrate, a buffer layer prepared on the light-shielding layer, an active layer prepared on the buffer layer, a gate insulating layer prepared on the active layer, and a gate electrode prepared on the gate insulating layer; the light emitting diode comprises an interlayer insulating layer prepared on a second substrate base plate, a source electrode and a drain electrode prepared on the interlayer insulating layer, a passivation layer prepared on the interlayer insulating layer and a pixel electrode layer prepared on the passivation layer, wherein the interlayer insulating layer covers a shading layer, a buffer layer, an active layer, a gate insulating layer and a grid electrode, the pixel electrode layer is connected with the drain electrode through a through hole in the passivation layer, the active layer comprises a channel, and a source electrode doping portion and a drain electrode doping portion which are arranged on two sides of the channel, the source electrode is electrically connected with a source electrode doping region through a source electrode contact hole in the interlayer insulating layer, and the drain electrode is electrically connected with a drain electrode doping.
In this embodiment, an auxiliary circuit 2011 and a protective layer 2024 covering the auxiliary circuit 2011 are prepared on a surface of the array substrate 201, the auxiliary circuit 2011 includes a first auxiliary circuit 20111 and a second auxiliary circuit 20112, the protective layer 2024 includes a first protective layer 20241 and a second protective layer 20242, the first protective layer 20241 covers the first auxiliary circuit 20111, and the second protective layer 20242 covers the second auxiliary circuit 20112. Specifically, the auxiliary circuit 2011 is located on the passivation layer surface of the frame region of the array substrate 201 and located right below the sealant 2023, that is, the auxiliary circuit 2011, the protective layer 2024 and the sealant 2023 are all located in the non-display region of the liquid crystal display panel, because the auxiliary circuit 2011 relates to the liquid crystal alignment circuit, the scanning circuit and other metal wirings, and a shielding structure and a gap for preventing signals from interfering with each other need to be arranged between the metal wirings, the auxiliary circuit 2011 and the protective layer 2024 are arranged at intervals; the sealant 2023 needs to be disposed around the liquid crystal cell 2021 to seal the liquid crystal layer 202 and prevent the liquid crystal 2022 from leaking, so the sealant 2023 is in a closed ring shape, referring to fig. 2 and 3.
The protective layer 2024 is made of polyetherimide, a molecular formula of the polyetherimide is a chemical formula shown in fig. 4, the polyetherimide is a special engineering plastic derived from Polyimide (PI), and the polyetherimide has the performances of high temperature resistance, corrosion resistance, flame retardance, electrical property, high strength, high rigidity, oxidation resistance, low water absorption rate and the like, and the protective layer 2024 is located between the frame sealant 2023 and the auxiliary circuit 2011, so that external water vapor and other pollutants can be effectively prevented from corroding metal wires in the auxiliary circuit 2011, and the problems of poor display of a liquid crystal display panel, abnormal pictures and the like caused by poor signal conduction are solved. The protective layer 2024 and the sealant 2023 are preferably prepared simultaneously in one process, and the thickness of the protective layer 2024 is in the range of 0.5um to 2 um. Another embodiment of the method for preparing the protective layer 2024 comprises: before the array substrate 201 and the color film substrate 203 are assembled, a layer of polyetherimide solution is coated on the auxiliary circuit 2011 under the sealant of the array substrate 201, the heating is carried out, and after the solution is dried, a compact polyetherimide film is formed.
As shown in fig. 5, the auxiliary circuit 2011 includes a plurality of GOA driving units, and an input unit 205 (shown by a dashed box) and an output unit 204 (shown by a dashed box) located at two sides of the GOA driving unit, wherein a pixel driving circuit is disposed inside the GOA driving unit, the pixel driving circuit has at least one driving thin film transistor, and the input unit 205 includes a first, a second, a third, a fourth, a fifth, a sixth, a seventh, and an eighth clock signal line, a start signal line ST, a power signal line Vss, a first liquid crystal alignment signal line LC1, and a second liquid crystal alignment signal line LC 2. Each GOA driving unit is connected with 1 clock signal line and 1 liquid crystal alignment signal line, the clock signal line is electrically connected with the grid electrode of the driving thin film transistor, the liquid crystal alignment signal line is electrically connected with the source electrode of the driving thin film transistor, and the starting signal line ST and the power supply signal line Vss are electrically connected with each GOA driving unit. In this embodiment, the clock signal line and the liquid crystal alignment signal line are preferably disposed in the same layer as the source/drain electrodes of the display region of the liquid crystal display panel, and the first liquid crystal alignment signal line LC1 and the second liquid crystal alignment signal line LC2 are alternately connected to the GOA driving unit.
As shown in fig. 5 and 6, the edge of the liquid crystal display panel 200 is provided with an outer leakage signal terminal 2061, and the outer leakage signal terminal 2061 is electrically connected to the flip-chip film 2062 for transmitting driving signals, such as clock signals and liquid crystal alignment signals, required by the liquid crystal display panel 200, i.e., the clock signal lines and the liquid crystal alignment signal lines are respectively electrically connected to the flip-chip film at the edge of the liquid crystal display panel, so as to realize the normal operation of the liquid crystal display panel 200. In this embodiment, the lcd panel 200 is driven by two sides simultaneously, the first auxiliary circuit 20111 is disposed on a left side frame of the lcd panel 200, the second auxiliary circuit 20112 is disposed on a right side frame of the lcd panel 200, and the first auxiliary circuit 20111 includes a GOA driving unit-1, a GOA driving unit-3, a GOA driving unit-5, and a GOA driving unit-7, wherein the GOA driving unit-1, the GOA driving unit-3, the GOA driving unit-5, and the GOA driving unit-7 are respectively connected to the first clock signal line CK1, the third clock signal line CK3, the fifth clock signal line CK5, and the seventh clock signal line CK7, and the first line scanning signal line G0001, the third line scanning signal line G0003, the fifth line scanning signal line G0005, and the seventh line scanning signal line G0007 are respectively derived, and the first line G0001, the third line G0001, the fifth line G0003, the seventh line G0005, and the seventh line G0007 are, The third row scanning signal line G0003, the fifth row scanning signal line G0005 and the seventh row scanning signal line G0007 respectively scan pixels in odd rows corresponding to the liquid crystal display panel, in this embodiment, the number of the clock signal lines is not limited to 4, and more clock signal lines may be provided, and the plurality of odd row scanning signal lines are derived through the GOA driving unit. The circuit structure of the second auxiliary circuit 20112 is similar to that of the first auxiliary circuit 20111, the first auxiliary circuit 20112 derives a second row scanning signal line G0002, a fourth row scanning signal line G0004, a sixth row scanning signal line G0006 and an eighth row scanning signal line G0008, and the second row scanning signal line G0002, the fourth row scanning signal line G0004, the sixth row scanning signal line G0006 and the eighth row scanning signal line G0008 respectively scan pixels in even rows of the liquid crystal display panel. The liquid crystal display panel 200 is driven by two sides simultaneously, and scans pixels in odd lines and even lines in sequence, so that the display speed and quality of the display screen are improved, and the size of a frame is reduced.
The invention has the beneficial effects that: the embodiment of the application provides a liquid crystal display panel, which comprises a color film substrate, an array substrate and frame glue, wherein the array substrate is arranged opposite to the color film substrate, and the frame glue is clamped between the periphery of the color film substrate and the periphery of the array substrate; the array substrate is provided with an auxiliary circuit and a protective layer covering the auxiliary circuit on the surface, and the auxiliary circuit and the frame glue are arranged in an alignment mode. The protective layer in the embodiment of the application is made of polyetherimide, so that the metal wires in the auxiliary circuit can be effectively prevented from corroding the frame glue by external water vapor and pollutants, the metal wires are protected, and some abnormal pictures of the liquid crystal display panel are avoided.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. The liquid crystal display panel is characterized by comprising a color film substrate, an array substrate and frame glue, wherein the array substrate is arranged opposite to the color film substrate, and the frame glue is clamped between the periphery of the color film substrate and the periphery of the array substrate; the array substrate is provided with an auxiliary circuit and a protective layer covering the auxiliary circuit, and the auxiliary circuit and the frame glue are arranged in a contraposition mode.
2. The liquid crystal display panel according to claim 1, wherein the auxiliary circuit, the protective layer and the sealant are all located in a non-display region of the liquid crystal display panel.
3. The liquid crystal display panel according to claim 1, wherein the auxiliary circuit and the protection layer are disposed at an interval, and the sealant is disposed in a closed loop.
4. The liquid crystal display panel according to claim 1, wherein the protective layer is made of polyetherimide.
5. The liquid crystal display panel according to claim 4, wherein the protective layer and the sealant are prepared simultaneously in one process, and the thickness of the protective layer is in a range from 0.5um to 2 um.
6. The liquid crystal display panel according to claim 1, wherein the auxiliary circuit includes a plurality of GOA driving units, and an input unit and an output unit connected to the GOA driving units; the GOA driving unit comprises a driving thin film transistor, the input unit comprises a starting signal line, a liquid crystal alignment signal line and a clock signal line, the liquid crystal alignment signal line is electrically connected with a source electrode of the driving thin film transistor, and the clock signal line is electrically connected with a grid electrode of the driving thin film transistor.
7. The LCD panel of claim 6, wherein each GOA driving unit is connected to 1 clock signal line and 1 liquid crystal alignment signal line.
8. The liquid crystal display panel according to claim 7, wherein the clock signal line and the liquid crystal alignment signal line are electrically connected to a flip Chip On Film (COF) at an edge of the liquid crystal display panel, respectively.
9. The liquid crystal display panel according to claim 8, wherein the clock signal line and the liquid crystal alignment signal line are disposed in the same layer as source/drain electrodes of a display region in the liquid crystal display panel.
10. The liquid crystal display panel of claim 6, wherein the GOA driving units are driven simultaneously at two sides, one side of the GOA driving units comprises only odd-level GOA driving units for scanning pixels in odd rows of the liquid crystal display panel, and the other side of the GOA driving units comprises only even-level GOA driving units for scanning pixels in even rows of the liquid crystal display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177126.5A CN110928009A (en) | 2019-11-26 | 2019-11-26 | Liquid crystal display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911177126.5A CN110928009A (en) | 2019-11-26 | 2019-11-26 | Liquid crystal display panel |
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| CN110928009A true CN110928009A (en) | 2020-03-27 |
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| CN201911177126.5A Pending CN110928009A (en) | 2019-11-26 | 2019-11-26 | Liquid crystal display panel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071192A (en) * | 2020-09-03 | 2020-12-11 | Tcl华星光电技术有限公司 | Display panel and splicing display panel |
| WO2022001422A1 (en) * | 2020-06-30 | 2022-01-06 | 京东方科技集团股份有限公司 | Display panel and preparation method therefor |
| US11403991B2 (en) | 2020-09-03 | 2022-08-02 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display panel and spliced display panel |
| CN115268147A (en) * | 2022-08-09 | 2022-11-01 | 惠科股份有限公司 | Display panel and display device |
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