CN105842897B - Motherboard of liquid crystal display and its alignment method - Google Patents
Motherboard of liquid crystal display and its alignment method Download PDFInfo
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- CN105842897B CN105842897B CN201610369863.5A CN201610369863A CN105842897B CN 105842897 B CN105842897 B CN 105842897B CN 201610369863 A CN201610369863 A CN 201610369863A CN 105842897 B CN105842897 B CN 105842897B
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- liquid crystal
- crystal display
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
-
- 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
- G02F1/133302—Rigid substrates, e.g. inorganic substrates
Abstract
The present invention provides a kind of motherboard of liquid crystal display and its alignment methods, motherboard of liquid crystal display includes glass substrate, it include: an at least first area on glass substrate, first area includes the liquid crystal display panel of an at least first size, and the liquid crystal display panel of each first size is electrically connected one first data line HVA orientation pad；An at least second area, second area include the liquid crystal display panel of at least one second size, and the liquid crystal display panel of every one second size is electrically connected one second data line HVA orientation pad；Wherein, when motherboard of liquid crystal display carries out orientation, a first voltage is provided to all first data line HVA orientation pads, provides a second voltage to all second data line HVA orientation pads.The present invention applies the orientation voltage for meeting respective pre-tilt angle size requirement by the data line HVA orientation pad for the various sizes of liquid crystal display panel for cutting product to MMG set respectively, avoids the incompatible phenomenon of two liquid crystal display panel pre-tilt angles and occurs.
Description
Technical field
The present invention relates to field of liquid crystal display, can improve MMG set more particularly, to one kind and cut liquid crystal display panel HVA liquid
The motherboard of liquid crystal display and its alignment method of brilliant orientation.
Background technique
As the improvement of people's living standards, large-size liquid crystal television is more and more liked by consumer, LCD TV
A kind of trend is had become greatly by small change, so the production of large scale liquid crystal display panel has good market and developing state.But
Due to the limitation of generation line, the simple large scale liquid crystal display panel for producing single size, it is low to will cause big plate utilization rate, production
The economical efficiencies such as high expensive limit its market development.
This defect is improved using MMG (Mutil-Moudel Glass, the glass of multi-model) set incision technology at present, i.e.,
By two liquid crystal display panel Mixed Designs of different sizes on same glass substrate, glass substrate is substantially increased in this way
Utilization rate.Such as G8.5 is for line, it is pure to cut 43 cun of cutting utilization rates and only have 75%；And 43 cun are mixed with 22 cun and is cut, cut utilization rate
Up to 97%.MMG set as shown in Figure 1 cuts product exemplary diagram.
MMG set cuts motherboard of liquid crystal display and generallys use HVA orientation (HVA Curing) technology, which mainly utilizes liquid
Macromolecule in crystalline substance polymerize under ultraviolet light and voltage collective effect, and realizes automatic orientation to liquid crystal.HVA Curing process
It is: a certain proportion of high-purity reactive liquid crystals (phototaxis monomer, such existing common liquid of liquid crystal will be mixed in VA liquid crystal first
The liquid crystal core of brilliant molecule, and luminous energy base is reacted with one or more acrylic bases etc in end)；Subsequent upper and lower base plate
Between an additional voltage, make liquid crystal molecule generate a pretilt angle；The UV light in particular range of wavelengths is then carried out from TFT
After the irradiation of side, reactive liquid crystals aggregate into macromolecule network and the liquid crystal molecule on surface layer are attracted to form fixed pre-tilt angle.Therefore exist
While ultraviolet light liquid crystal display panel, need for certain voltage to be added on liquid crystal display panel.
A kind of power-up mode is to CF public affairs power pole to power-up, i.e. CF_COM Curing technology (entire liquid crystal display panel
Single voltage can only be applied and carry out HVA Curing).But because the PPI of two liquid crystal display panels (Pixels Per Inch, often
The pixel quantity that is possessed of inch), TFT side aperture opening ratio it is different, to the absorption and utilization rate of UV light during HVA curing
Difference can have that two liquid crystal display panel orientations are incompatible.As a liquid crystal display panel crosses orientation, pre-dumping
Angle is bigger than normal, dark-state is partially bright, contrast is less than normal；One liquid crystal display panel orientation is insufficient, and pre-tilt angle is less than normal, pressing liquid crystal diffusion is extensive
It is multiple bad, there is image retention.
With reference to Fig. 2, the existing high PPI sized liquid crystal display panel liquid crystal of CF_COM alignment technique swings to schematic diagram.PPI is got over
Greatly, TFT side opening area is smaller, and UV light transmission rate is smaller, and pre-tilt angle is smaller, there is pressing liquid crystal and spreads bad, beating picture
There is the risk of image retention.With reference to Fig. 3, the low PPI sized liquid crystal display panel liquid crystal of existing CF_COM alignment technique swings to schematic diagram.
PPI is smaller, and TFT side opening area is bigger, and UV light transmission rate is bigger, and pre-tilt angle is bigger, and that there are dark-state is partially bright, contrast is relatively low
Risk.
Summary of the invention
The object of the present invention is to provide a kind of motherboard of liquid crystal display and its alignment methods, can improve MMG set and cut liquid crystal
Display panel HVA LCD alignment occurs to avoid the incompatible phenomenon of different liquid crystal display panel pre-tilt angles, promotes liquid crystal display
Panel quality.
To achieve the above object, the present invention provides a kind of motherboard of liquid crystal display, including glass substrate, the glass substrates
On include: an at least first area, the first area includes the liquid crystal display panel of an at least first size, each described
The liquid crystal display panel of one size is electrically connected one first data line HVA orientation pad；An at least second area, the second area
The liquid crystal display panel of liquid crystal display panel including at least one second size, each second size is electrically connected one second
Data line HVA orientation pad, wherein the first size is different from second size；Wherein, the motherboard of liquid crystal display into
When row orientation, a first voltage is provided to all first data line HVA orientation pads, to all second data line HVA
Orientation pad provides a second voltage, and the first voltage is different from the second voltage.
To achieve the above object, the present invention also provides a kind of liquid crystal display panel, the liquid crystal display panel is by this
The motherboard of liquid crystal display is invented to cut to obtain.
To achieve the above object, the present invention also provides a kind of motherboard of liquid crystal display alignment method, the liquid crystal display is female
Plate includes glass substrate, includes: an at least first area on the glass substrate, and the first area includes at least one first ruler
The liquid crystal display panel of very little liquid crystal display panel, each first size is electrically connected one first data line HVA orientation pad；
An at least second area, the second area include the liquid crystal display panel of at least one second size, each second size
Liquid crystal display panel be electrically connected one second data line HVA orientation pad, wherein the first size and second size are not
Together；The motherboard of liquid crystal display alignment method includes: to provide a first voltage to all first data line HVA orientation pads,
A second voltage is provided to all second data line HVA orientation pads, wherein the first voltage and the second voltage are not
Together.
It is an advantage of the current invention that motherboard of liquid crystal display provided by the invention and its alignment method, by cutting production to MMG set
The data line HVA orientation pad of the various sizes of liquid crystal display panel of product applies different orientation voltage respectively, to meet two
Respectively pre-tilt angle size requirement avoids two LCD display while improving glass substrate utilization rate to liquid crystal display panel
The incompatible phenomenon of plate pre-tilt angle occurs.
Detailed description of the invention
Fig. 1, MMG set cut product exemplary diagram；
Fig. 2, the existing high PPI sized liquid crystal display panel liquid crystal of CF_COM alignment technique swing to schematic diagram；
Fig. 3, the low PPI sized liquid crystal display panel liquid crystal of existing CF_COM alignment technique swing to schematic diagram
Fig. 4, motherboard of liquid crystal display of the present invention are powered on schematic diagram；
Fig. 5, the high PPI sized liquid crystal display panel liquid crystal of motherboard of liquid crystal display orientation mode of the present invention swing to schematic diagram；
Fig. 6, the low PPI sized liquid crystal display panel liquid crystal of motherboard of liquid crystal display orientation mode of the present invention swing to schematic diagram.
Specific embodiment
It elaborates with reference to the accompanying drawing to motherboard of liquid crystal display provided by the invention and its alignment method.
With reference to Fig. 4, the structural schematic diagram of one embodiment of motherboard of liquid crystal display of the present invention.The liquid crystal display is female
Plate includes glass substrate 40, can be of different sizes on same glass substrate according to glass substrate size and Mixed Design
Liquid crystal display panel size flexible setting region size and quantity, to improve the utilization rate of glass substrate.In this implementation
In example, rectangle of the glass substrate 40 having a size of 2200mm × 2500mm includes: two first areas 41 and two on glass substrate 40
A second area 42.In other embodiments, first area 41 and second area 42 can be one, three or three or more.
First area 41, the liquid crystal display panel 411 including four first sizes, the LCD display of each first size
Plate 411 is electrically connected one first data line HVA orientation pad (Data (R, G, B) HVA Curing PAD) 412.
Second area 42, the liquid crystal display panel 421 including four the second sizes, the LCD display of every one second size
Plate 421 is electrically connected one second data line HVA orientation pad 422.Wherein, the first size is different from second size；This
In embodiment, the liquid crystal display panel 411 of first size is 43 cun of liquid crystal display panels, the liquid crystal display panel of the second size
421 be 22 cun of liquid crystal display panels.
It is noted that being mentioned when motherboard of liquid crystal display carries out orientation to all first data line HVA orientation pads 412
For a first voltage, a second voltage is provided to all second data line HVA orientation pads 422；First voltage and second voltage are not
Together.
Wherein, first voltage is that the liquid crystal molecule of the liquid crystal display panel 411 of first size is made to generate one first pre-tilt angle
First orientation voltage of degree；Second voltage is that the liquid crystal molecule of the liquid crystal display panel 421 of the second size is made to generate one second in advance
Second orientation voltage of degree of tilt.In the present embodiment, applied to the first data line HVA orientation pad 412 of 43 cun of liquid crystal display panels
Add a voltage, such as 30V；Apply a voltage to the second data line HVA orientation pad 422 of 22 cun of liquid crystal display panels, such as
40V。
It carries out separating HVA Curing by the Data (R, G, B) for two liquid crystal display panels for cutting product to MMG set, i.e.,
Apply different orientation voltage respectively to Data (R, G, B) the HVA Curing PAD of two liquid crystal display panels, to meet two
The respective pre-tilt angle size requirement of branch liquid crystal display panel, avoids two incompatible phenomenons of liquid crystal display panel pre-tilt angle and goes out
It is existing.
With reference to Fig. 5-6, wherein Fig. 5 is the high PPI sized liquid crystal display panel liquid of motherboard of liquid crystal display orientation mode of the present invention
Crystalline substance swings to schematic diagram；Fig. 6 is that the low PPI sized liquid crystal display panel liquid crystal of motherboard of liquid crystal display orientation mode of the present invention swings to signal
Figure.By Fig. 5-6, it is apparent that since Data (R, G, B) the HVA Curing PAD to two liquid crystal display panels distinguishes
Apply the orientation voltage for meeting the respective pre-tilt angle size requirement of two liquid crystal display panels, two liquid crystal display panel orientations are
To significantly improving, obtained pre-tilt angle meets two liquid crystal display panels respectively liquid crystal molecule tendency demand.
It is noted that motherboard of liquid crystal display of the present invention, on the liquid crystal display panel 411 of each first size
It is additionally provided with one the oneth CF public electrode (not shown), is additionally provided with one the 2nd CF on the liquid crystal display panel 421 of every one second size
Public electrode (not shown)；When the motherboard of liquid crystal display carries out orientation, to all first CF public electrodes and own
2nd CF public electrode provides a tertiary voltage.The tertiary voltage can be 0V or be float charge voltage (Floating).
The present invention also provides a kind of liquid crystal display panel, the liquid crystal display panel is liquid crystal of the present invention
Show that motherboard cuts to obtain.Obtained liquid crystal display panel orientation significantly improves, and obtained pre-tilt angle meets its liquid crystal point
Sub- tendency demand.
The present invention also provides a kind of motherboard of liquid crystal display alignment method, the motherboard of liquid crystal display includes glass substrate,
It include: an at least first area on the glass substrate, the first area includes the LCD display of an at least first size
The liquid crystal display panel of plate, each first size is electrically connected one first data line HVA orientation pad；At least one second area
Domain, the second area include the liquid crystal display panel of at least one second size, the LCD display of each second size
Plate is electrically connected one second data line HVA orientation pad, wherein the first size is different from second size.The liquid
Brilliant display master blank alignment method includes: to provide a first voltage to all first data line HVA orientation pads, to all described
Second data line HVA orientation pad provides a second voltage, wherein the first voltage is different from the second voltage.
Wherein, the first voltage is that the liquid crystal molecule of the liquid crystal display panel of the first size is made to generate one first in advance
First orientation voltage of degree of tilt；The second voltage is to generate the liquid crystal molecule of the liquid crystal display panel of second size
Second orientation voltage of one second pretilt angle.
It is noted that in motherboard of liquid crystal display of the present invention, the LCD display of each first size
One the oneth CF public electrode is additionally provided on plate, it is public to be additionally provided with one the 2nd CF on the liquid crystal display panel of each second size
Electrode.Motherboard of liquid crystal display alignment method of the present invention further include: to all first CF public electrodes and own
The 2nd CF public electrode provides a tertiary voltage.Wherein, the tertiary voltage can be 0V or be float charge voltage
(Floating)。
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (9)
1. a kind of motherboard of liquid crystal display, including glass substrate, which is characterized in that include: on the glass substrate
An at least first area, the first area include the liquid crystal display panel of an at least first size, and each described first
The liquid crystal display panel of size is electrically connected one first data line HVA orientation pad；
An at least second area, the second area include the liquid crystal display panel of at least one second size, and each described second
The liquid crystal display panel of size is electrically connected one second data line HVA orientation pad, wherein the first size and second ruler
Very little difference；
Wherein, when the motherboard of liquid crystal display carries out orientation, one first is provided to all first data line HVA orientation pads
Voltage provides a second voltage to all second data line HVA orientation pads, and the first voltage and the second voltage are not
Together.
2. motherboard of liquid crystal display as described in claim 1, which is characterized in that the first voltage is to make the first size
The liquid crystal molecule of liquid crystal display panel generates the first orientation voltage of one first pretilt angle；The second voltage is to make described the
The liquid crystal molecule of the liquid crystal display panel of two sizes generates the second orientation voltage of one second pretilt angle.
3. motherboard of liquid crystal display as described in claim 1, which is characterized in that
One the oneth CF public electrode is additionally provided on the liquid crystal display panel of each first size, each second size
One the 2nd CF public electrode is additionally provided on liquid crystal display panel；When the motherboard of liquid crystal display carries out orientation, to all described
First CF public electrode and all 2nd CF public electrodes provide a tertiary voltage.
4. motherboard of liquid crystal display as claimed in claim 3, which is characterized in that the tertiary voltage is 0V or is float charge voltage.
5. a kind of liquid crystal display panel, which is characterized in that the liquid crystal display panel is as described in any one of claim 1-4
Motherboard of liquid crystal display cuts to obtain.
6. a kind of motherboard of liquid crystal display alignment method, the motherboard of liquid crystal display include glass substrate, which is characterized in that the glass
It include: an at least first area on glass substrate, the first area includes the liquid crystal display panel of an at least first size, each
The liquid crystal display panel of the first size is electrically connected one first data line HVA orientation pad；An at least second area, described
Two regions include the liquid crystal display panel of at least one second size, and the liquid crystal display panel of each second size is electrically connected
One second data line HVA orientation pad, wherein the first size is different from second size；
The motherboard of liquid crystal display alignment method includes: to provide a first voltage to all first data line HVA orientation pads,
A second voltage is provided to all second data line HVA orientation pads, wherein the first voltage and the second voltage are not
Together.
7. motherboard of liquid crystal display alignment method as claimed in claim 6, which is characterized in that the first voltage is to make described the
The liquid crystal molecule of the liquid crystal display panel of one size generates the first orientation voltage of one first pretilt angle；The second voltage is
The liquid crystal molecule of the liquid crystal display panel of second size is set to generate the second orientation voltage of one second pretilt angle.
8. motherboard of liquid crystal display alignment method as claimed in claim 6, which is characterized in that the liquid crystal of each first size
It is additionally provided with one the oneth CF public electrode on display panel, is additionally provided with one second on the liquid crystal display panel of each second size
CF public electrode；
The motherboard of liquid crystal display alignment method further include: to all first CF public electrodes and all 2nd CF
Public electrode provides a tertiary voltage.
9. motherboard of liquid crystal display alignment method as claimed in claim 8, which is characterized in that the tertiary voltage is 0V or is floating
Charging voltage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610369863.5A CN105842897B (en) | 2016-05-30 | 2016-05-30 | Motherboard of liquid crystal display and its alignment method |
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| CN201610369863.5A CN105842897B (en) | 2016-05-30 | 2016-05-30 | Motherboard of liquid crystal display and its alignment method |
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| CN105842897B true CN105842897B (en) | 2019-01-29 |
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| CN106200132A (en) | 2016-08-31 | 2016-12-07 | 深圳市华星光电技术有限公司 | The device of panel light regiospecific cut by a kind of set that improves |
| CN106405943A (en) * | 2016-12-06 | 2017-02-15 | 深圳市华星光电技术有限公司 | Optical alignment method of liquid crystal display panel |
| EP3555700B1 (en) * | 2016-12-14 | 2023-09-13 | Magic Leap, Inc. | Patterning of liquid crystals using soft-imprint replication of surface alignment patterns |
| CN106526918B (en) * | 2016-12-16 | 2019-05-28 | 惠科股份有限公司 | A kind of display base plate and its test method |
| CN106652863B (en) * | 2017-02-22 | 2020-10-13 | 深圳市华星光电技术有限公司 | Detection circuit |
| CN107167967A (en) * | 2017-05-04 | 2017-09-15 | 深圳市华星光电技术有限公司 | Light orientation Wiring structure |
| CN107037637B (en) * | 2017-06-13 | 2020-02-28 | 深圳市华星光电技术有限公司 | Liquid crystal photo-alignment panel wiring structure and liquid crystal display panel photo-alignment method |
| CN107367872A (en) * | 2017-08-30 | 2017-11-21 | 深圳市华星光电技术有限公司 | Liquid crystal mother substrate and its method for vertical orientation solidification |
| US10627684B2 (en) | 2017-08-30 | 2020-04-21 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal mother substrate and vertical alignment curing method thereof |
| CN107728346A (en) * | 2017-10-25 | 2018-02-23 | 深圳市华星光电技术有限公司 | Wiring structure of display panel and preparation method thereof |
| CN108873487B (en) * | 2018-06-26 | 2020-07-31 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel and manufacturing method thereof |
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