CN108897160A - Liquid crystal display panel and its alignment method - Google Patents
Liquid crystal display panel and its alignment method Download PDFInfo
- Publication number
- CN108897160A CN108897160A CN201810887683.5A CN201810887683A CN108897160A CN 108897160 A CN108897160 A CN 108897160A CN 201810887683 A CN201810887683 A CN 201810887683A CN 108897160 A CN108897160 A CN 108897160A
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- liquid crystal
- terminal
- display panel
- crystal display
- switch
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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
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- 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)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The present invention provides a kind of liquid crystal display panel and its alignment method.The liquid crystal display panel includes：Viewing area and non-display area set on the non-display area；It is equipped with multiple signals access terminal in the non-display area, accesses the terminal multiple switch being connected respectively and the switch control terminal and ground terminal that are correspondingly connected with multiple switch with multiple signals；Before LCD alignment, switch control terminal control multiple switch is both turned on, it is electrically connected multiple signal access terminals with ground terminal, the charge of accumulation of static electricity in liquid crystal display panel is discharged by ground terminal, then switch control terminal control multiple switch is turned off, multiple signal access terminal input signals carry out LCD alignment, LCD alignment process can be influenced to avoid the charge of liquid crystal display panel accumulation of static electricity, prevent liquid crystal display panel when LCD alignment from generating more dark line, the problems such as solving insufficient pixel penetrance and Display panel luminance shortage, it is also possible to prevent to generate Mura on liquid crystal display panel.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of liquid crystal display panels and its alignment method.
Background technique
Thin film transistor (TFT) (Thin Film Transistor, TFT) is current liquid crystal display device (Liquid Crystal
Display, LCD) and active matrix drive type organic electroluminescence display device and method of manufacturing same (Active Matrix Organic Light-
Emitting Diode, AMOLED) in main driving element, the display performance of direct relation panel display apparatus.
Liquid crystal display on existing market is largely backlight liquid crystal display comprising liquid crystal display panel and back
Optical mode group (backlight module).The working principle of liquid crystal display panel is in thin-film transistor array base-plate (Thin
Film Transistor Array Substrate, TFT Array Substrate) and colored filter (Color
Filter, CF) liquid crystal molecule is poured between substrate, and apply pixel voltage and common voltage respectively on two plate bases, pass through
The direction of rotation of the electric field controls liquid crystal molecule formed between pixel voltage and common voltage, by the light refraction of backlight module
Picture is generated out.
Polymer stabilizing vertical orientation (Polymer Stabilizatiom Vertical Alignment, PSVA) is one
The common wide viewing angle display pattern of kind, maximum feature are to generate one layer on alignment film to make VA Formation of liquid crystals pre-tilt angle
Polymeric layer.Main process is as follows：First apply pixel voltage and common voltage respectively in array substrate and CF substrate, makes liquid
Brilliant molecule first generates a pretilt angle, then carries out the irradiation of certain UV light, forms fixed pre-tilt angle.Due to tft array base
Plate and CF substrate pass through more complex leading portion Array processing procedure before LCD alignment, and leading portion Array processing procedure leads to tft array substrate
On have the charges of many accumulation of static electricity, the charge of the accumulation of static electricity will affect LCD alignment process, generation when leading to LCD alignment
More dark line, and then cause pixel penetrance insufficient and Display panel luminance shortage, or generate Mura on panel, it influences
Panel quality.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid crystal display panels, can influence liquid to avoid the charge of liquid crystal display panel accumulation of static electricity
Brilliant process of alignment prevents liquid crystal display panel when LCD alignment from generating more dark line.
The object of the invention is also to provide a kind of alignment methods of liquid crystal display panel, can be to avoid liquid crystal display panel accumulation of static electricity
Charge influence LCD alignment process, prevent liquid crystal display panel when LCD alignment from generating more dark line.
To achieve the above object, the present invention provides a kind of liquid crystal display panels, including：Viewing area and be set to the viewing area outside
The non-display area enclosed；The non-display area includes that multiple signals access terminals, are connected respectively with multiple signals access terminal
Multiple switch and the switch control terminal and ground terminal that are correspondingly connected with multiple switch.
The liquid crystal display panel includes the TFT substrate being oppositely arranged and CF substrate and is set between TFT substrate and CF substrate
Liquid crystal layer；The viewing area is corresponding in the TFT substrate and CF substrate with non-display area.
The multiple signal access terminal, multiple switch, switch control terminal and ground terminal are respectively positioned on the TFT substrate
Non-display area in.
The ground terminal accesses ground signalling.
The ground terminal physical ground.
The switch is thin film transistor (TFT), and the grid of the thin film transistor (TFT) is electrically connected switch control terminal, and source electrode is electrical
Ground terminal is connected, drain electrode is electrically connected signal and accesses terminal.
The switch control terminal provides high potential and controls the switch conduction, provides the low potential control switch and cuts
Only.
The multiple signal incoming end attached bag includes red subpixel data signal access terminal, green subpixel data signal
It accesses terminal, blue subpixel data signal access terminal, scanning signal access terminal and public voltage signal and accesses terminal.
The liquid crystal display panel further includes a plurality of signal lead being electrically connected with multiple signals access terminal.
The present invention also provides a kind of alignment methods of liquid crystal display panel, include the following steps：
Step S1, above-mentioned liquid crystal display panel is provided；
Step S2, switch control terminal control multiple switch is both turned on, and makes multiple signal access terminals and ground terminal
It is electrically connected, the charge of accumulation of static electricity in liquid crystal display panel is discharged by ground terminal；
Step S3, switch control terminal control multiple switch is turned off, and makes multiple signal access terminals and ground terminal
It disconnects, multiple signal access terminal input signals carry out LCD alignment.
Beneficial effects of the present invention：Liquid crystal display panel of the invention includes：Viewing area and set on the non-of the non-display area
Viewing area；In the non-display area be equipped with multiple signals access terminal, with multiple signals access terminal be connected respectively it is more
A switch and the switch control terminal and ground terminal being correspondingly connected with multiple switch；Before LCD alignment, switch control
Terminal control multiple switch processed is both turned on, and is electrically connected multiple signal access terminals with ground terminal, will be in liquid crystal display panel
The charge of accumulation of static electricity is discharged by ground terminal, and then switch control terminal control multiple switch is turned off, multiple signals
Access terminal is disconnected with ground terminal, and multiple signal access terminal input signals carry out LCD alignment, can be to avoid liquid
The charge of crystal panel accumulation of static electricity influences LCD alignment process, prevents liquid crystal display panel when LCD alignment from generating more dark line, solves
The problems such as certainly pixel penetrance is insufficient and Display panel luminance shortage, is also possible to prevent to generate Mura on liquid crystal display panel, improves liquid
Crystal panel quality.The alignment method of liquid crystal display panel of the invention, the charge that can be avoided liquid crystal display panel accumulation of static electricity influence liquid crystal
Process of alignment prevents liquid crystal display panel when LCD alignment from generating more dark line, solves pixel penetrance deficiency and Display panel is bright
The problems such as degree is insufficient, is also possible to prevent to generate Mura on liquid crystal display panel, improves liquid crystal display panel quality.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the schematic diagram of liquid crystal display panel of the invention；
Fig. 2 is that the signal of liquid crystal display panel of the invention accesses the connection of terminal, switch, switch control terminal and ground terminal
Schematic diagram；
Fig. 3 is the flow chart of the alignment method of liquid crystal display panel of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of liquid crystal display panel, including：Viewing area 11 and be set to the viewing area 11
The non-display area 12 of periphery；The non-display area 12 includes that multiple signals access terminal 121 and multiple signals access terminal 121
The multiple switch 122 being connected respectively and the switch control terminal 123 and ground terminal that are correspondingly connected with multiple switch 122
Son 124.
It should be noted that when liquid crystal display panel carries out LCD alignment, on multiple signal access terminals 121 and alignment apparatus
Probe be electrically connected, the probe on alignment apparatus is used to provide signal to multiple signals access terminal 121 matches to carry out liquid crystal
To；Firstly, switch control terminal 123 controls multiple switch 122 and is both turned on before starting LCD alignment, access multiple signals
Terminal 121 is electrically connected with ground terminal 124, and the charge of accumulation of static electricity in leading portion Array processing procedure will be passed through in liquid crystal display panel
It is discharged by ground terminal 124, then, switch control terminal 123 controls multiple switch 122 and is turned off, multiple signal accesses
Terminal 121 is disconnected with ground terminal 124, and multiple signal access 121 input signals of terminal carry out LCD alignment, can be kept away
The charge for exempting from liquid crystal display panel accumulation of static electricity influences LCD alignment process, prevents liquid crystal display panel when LCD alignment from generating more dark
It the problems such as line, solution pixel penetrance is insufficient and Display panel luminance shortage, is also possible to prevent to generate Mura on liquid crystal display panel, mention
High liquid crystal display panel quality.
Specifically, the liquid crystal display panel include the TFT substrate 10 being oppositely arranged and CF substrate 20 and be set to TFT substrate 10
Liquid crystal layer (not shown) between CF substrate 20；The viewing area 11 is corresponding positioned at the TFT substrate with non-display area 12
On 10 and CF substrate 20；The multiple signal access terminal 121, multiple switch 122, switch control terminal 123 and ground terminal
124 are respectively positioned in the non-display area 12 of the TFT substrate 10.
Specifically, the ground terminal 124 can access ground connection (GND) signal, physical ground can also be passed through, that is, will
Ground terminal 124 is connect with the earth, realizes the charge of release electrostatic accumulation.
Specifically, the switch 122 is thin film transistor (TFT), the grid of the thin film transistor (TFT) is electrically connected switch control terminal
123, source electrode is electrically connected ground terminal 124, and drain electrode is electrically connected signal and accesses terminal 121.
Further, the switch control terminal 123 provides high potential and controls the conducting of switch 122, provides low potential
The switch 122 is controlled to end.
Specifically, the multiple signal access terminal 121 includes red subpixel data signal access terminal R, green
Pixel data signal accesses terminal G, blue subpixel data signal access terminal B, scanning signal access terminal Gate and public affairs
Common voltage signal accesses terminal Com, when liquid crystal display panel carries out LCD alignment, can be distinguished by multiple probes on alignment apparatus
Red data signal is provided for red data signal access terminal R, green subpixel data signal accesses terminal G and provides green son
Pixel data signal, blue subpixel data signal access terminal B provide blue subpixel data signal, scanning signal incoming end
Sub- Gate provides scanning signal and public voltage signal access terminal Com provides public voltage signal.In certain liquid crystal display panel
It further include a plurality of signal lead 125 being electrically connected with multiple signals access terminal 121, such as red data signal lead
It is electrically connected with red data signal access terminal R, scanning signal cabling and scanning signal access terminal Gate are electrically connected, and are led to
Excessive bars cabling 125 is input a signal into viewing area 11, the electricity of liquid crystal display panel accumulation of static electricity in leading portion Array processing procedure
Lotus concentrates in above-mentioned signal lead 125.
Referring to Fig. 3, being based on above-mentioned liquid crystal display panel, the present invention also provides a kind of alignment methods of liquid crystal display panel, including such as
Lower step：
Step S1, above-mentioned liquid crystal display panel is provided；
Step S2, switch control terminal 123 controls multiple switch 122 and is both turned on, make multiple signals access terminals 121 with
Ground terminal 124 is electrically connected, and the charge of accumulation of static electricity in liquid crystal display panel is discharged by ground terminal 124；
Step S3, switch control terminal 123 controls multiple switch 122 and is turned off, make multiple signals access terminals 121 with
Ground terminal 124 disconnects, and multiple signal access 121 input signals of terminal carry out LCD alignment, can be to avoid liquid crystal display panel
The charge of accumulation of static electricity influences LCD alignment process, prevents liquid crystal display panel when LCD alignment from generating more dark line, solves pixel
The problems such as penetrance is insufficient and Display panel luminance shortage, is also possible to prevent to generate Mura on liquid crystal display panel, improves liquid crystal display panel
Quality.
In conclusion liquid crystal display panel of the invention includes：Viewing area and non-display area set on the non-display area；Institute
State be equipped in non-display area multiple signals access terminal, with multiple signals multiple switch for being connected respectively of access terminal and
The switch control terminal and ground terminal being correspondingly connected with multiple switch；Before LCD alignment, switch control terminal control
Multiple switch is both turned on, and is electrically connected multiple signal access terminals with ground terminal, by accumulation of static electricity in liquid crystal display panel
Charge is discharged by ground terminal, and then switch control terminal control multiple switch is turned off, and multiple signal access terminals are equal
It is disconnected with ground terminal, multiple signal access terminal input signals carry out LCD alignment, can be to avoid liquid crystal display panel electrostatic
The charge of accumulation influences LCD alignment process, prevents liquid crystal display panel when LCD alignment from generating more dark line, solves pixel and penetrates
The problems such as rate is insufficient and Display panel luminance shortage, is also possible to prevent to generate Mura on liquid crystal display panel, improves liquid crystal display panel quality.
The alignment method of liquid crystal display panel of the invention, the charge that can be avoided liquid crystal display panel accumulation of static electricity influence LCD alignment process, prevent
Only liquid crystal display panel generates more dark line when LCD alignment, solves pixel penetrance deficiency and Display panel luminance shortage etc. and asks
Topic, is also possible to prevent to generate Mura on liquid crystal display panel, improves liquid crystal display panel quality.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (10)
1. a kind of liquid crystal display panel, which is characterized in that including：Viewing area (11) and be set to the viewing area (11) periphery it is non-display
Area (12)；The non-display area (12) includes multiple signal accesses terminal (121), accesses terminal (121) difference with multiple signals
The multiple switch (122) being correspondingly connected with and the switch control terminal (123) being correspondingly connected with multiple switch (122) and ground connection
Terminal (124).
2. liquid crystal display panel as described in claim 1, which is characterized in that including the TFT substrate (10) being oppositely arranged and CF substrate
(20) and set on the liquid crystal layer between TFT substrate (10) and CF substrate (20)；The viewing area (11) and non-display area (12)
It is corresponding to be located on the TFT substrate (10) and CF substrate (20).
3. liquid crystal display panel as claimed in claim 2, which is characterized in that the multiple signal accesses terminal (121), multiple switch
(122), switch control terminal (123) and ground terminal (124) are respectively positioned in the non-display area (12) of the TFT substrate (10).
4. liquid crystal display panel as described in claim 1, which is characterized in that the ground terminal (124) accesses ground signalling.
5. liquid crystal display panel as described in claim 1, which is characterized in that ground terminal (124) physical ground.
6. liquid crystal display panel as described in claim 1, which is characterized in that the switch (122) is thin film transistor (TFT), and the film is brilliant
The grid of body pipe is electrically connected switch control terminal (123), and source electrode is electrically connected ground terminal (124), and drain electrode is electrically connected letter
Number access terminal (121).
7. liquid crystal display panel as claimed in claim 6, which is characterized in that the switch control terminal (123) provides high potential control
Switch (122) conducting is made, low potential is provided and controls switch (122) cut-off.
8. liquid crystal display panel as described in claim 1, which is characterized in that the multiple signal access terminal (121) includes red
Sub-pixel data signal access terminal (R), green subpixel data signal access terminal (G), blue subpixel data signal connect
Enter terminal (B), scanning signal access terminal (Gate) and public voltage signal access terminal (Com).
9. liquid crystal display panel as described in claim 1, which is characterized in that further include and multiple signals access terminal (121) difference
The a plurality of signal lead (125) being electrically connected.
10. a kind of alignment method of liquid crystal display panel, which is characterized in that include the following steps：
Step S1, such as the described in any item liquid crystal display panels of claim 1-9 are provided；
Step S2, switch control terminal (123) control multiple switch (122) is both turned on, and keeps multiple signal accesses terminal (121) equal
It is electrically connected with ground terminal (124), the charge of accumulation of static electricity in liquid crystal display panel is discharged by ground terminal (124)；
Step S3, switch control terminal (123) control multiple switch (122) is turned off, and keeps multiple signal accesses terminal (121) equal
It is disconnected with ground terminal (124), multiple signal access terminal (121) input signals carry out LCD alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887683.5A CN108897160A (en) | 2018-08-06 | 2018-08-06 | Liquid crystal display panel and its alignment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887683.5A CN108897160A (en) | 2018-08-06 | 2018-08-06 | Liquid crystal display panel and its alignment method |
Publications (1)
| Publication Number | Publication Date |
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| CN108897160A true CN108897160A (en) | 2018-11-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810887683.5A Pending CN108897160A (en) | 2018-08-06 | 2018-08-06 | Liquid crystal display panel and its alignment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114185202A (en) * | 2021-12-13 | 2022-03-15 | 苏州华星光电技术有限公司 | Alignment circuit and liquid crystal display substrate |
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| US5491566A (en) * | 1992-11-27 | 1996-02-13 | Goldstar Co., Ltd. | Integrated input-output device having a reading and a printing section on a single substrate |
| CN1527104A (en) * | 2003-03-07 | 2004-09-08 | ������������ʽ���� | Image display device equipment with checking terminal |
| CN202141787U (en) * | 2011-07-04 | 2012-02-08 | 深圳市华星光电技术有限公司 | Test circuit for PSVA and array |
| CN104392685A (en) * | 2014-12-15 | 2015-03-04 | 合肥京东方光电科技有限公司 | Array substrate, display panel and polarity reversal driving method |
| CN106200163A (en) * | 2016-07-25 | 2016-12-07 | 深圳市华星光电技术有限公司 | Array base palte horizontal drive circuit and display panels |
-
2018
- 2018-08-06 CN CN201810887683.5A patent/CN108897160A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5491566A (en) * | 1992-11-27 | 1996-02-13 | Goldstar Co., Ltd. | Integrated input-output device having a reading and a printing section on a single substrate |
| CN1527104A (en) * | 2003-03-07 | 2004-09-08 | ������������ʽ���� | Image display device equipment with checking terminal |
| CN202141787U (en) * | 2011-07-04 | 2012-02-08 | 深圳市华星光电技术有限公司 | Test circuit for PSVA and array |
| CN104392685A (en) * | 2014-12-15 | 2015-03-04 | 合肥京东方光电科技有限公司 | Array substrate, display panel and polarity reversal driving method |
| CN106200163A (en) * | 2016-07-25 | 2016-12-07 | 深圳市华星光电技术有限公司 | Array base palte horizontal drive circuit and display panels |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114185202A (en) * | 2021-12-13 | 2022-03-15 | 苏州华星光电技术有限公司 | Alignment circuit and liquid crystal display substrate |
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Application publication date: 20181127 |