CN109239981A - A kind of preparation method of liquid crystal display panel - Google Patents
A kind of preparation method of liquid crystal display panel Download PDFInfo
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- CN109239981A CN109239981A CN201810970844.7A CN201810970844A CN109239981A CN 109239981 A CN109239981 A CN 109239981A CN 201810970844 A CN201810970844 A CN 201810970844A CN 109239981 A CN109239981 A CN 109239981A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 98
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 89
- 239000002184 metal Substances 0.000 claims abstract description 89
- 230000000903 blocking effect Effects 0.000 claims abstract description 72
- 239000000758 substrate Substances 0.000 claims abstract description 47
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 20
- 210000002858 crystal cell Anatomy 0.000 claims abstract description 9
- 239000003086 colorant Substances 0.000 claims description 16
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 7
- 239000010931 gold Substances 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910004205 SiNX Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000002271 resection Methods 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 56
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- 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
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of preparation method of liquid crystal display panel, this method comprises: preparing color membrane substrates, and prepares public electrode on the surface of color membrane substrates；The first metal wire and insulating layer are prepared on the glass substrate；Multiple sub-pixel circuits corresponding with color blocking regions multiple in color blocking layer are prepared on the insulating layer, and each sub-pixel circuits extend second metal wire；The second metal wire that color blocking region corresponding sub-pixel circuits in part are extended and the first metal wire bridge；Liquid crystal is injected between color membrane substrates and glass substrate, is packaged into liquid crystal cell；Public voltage signal is conveyed to public electrode, and the first data voltage signal is conveyed to the first metal wire, the second metal wire extended to film thickness no more than the corresponding sub-pixel circuits of color blocking region of setting film thickness value conveys the second data voltage signal, carries out light orientation to liquid crystal.The present invention can make the orientation effect of liquid crystal display panel more uniform, facilitate the colour cast for solving the problems, such as liquid crystal display panel.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of preparation methods of liquid crystal display panel.
Background technique
The manufacturing process rate of exchange of TFT (Thin Film Transistor, be thin film transistor (TFT)) display device are complicated, generally
It is divided into TFT element manufacturing, the production of CF (Color Filter, colored filter) film, CELL (to composition box) production etc. three is greatly
Processing procedure.Wherein CELL manufacturing process is divided into PI (polyimides) again, ODF (One Drip Fill, liquid crystal drip-injection), light orientation, cuts
Cut equal processing procedures.Light alignment manufacture process is that will drip to have liquid crystal and carry out light orientation operation, the process to group crystal liquid substrate completed
It will be so that liquid crystal generation pre-tilt angle, can provide unified direction of rotation when being powered on display for liquid crystal molecule.Industry is generally all
It is that identical voltage is separately added on the substrate at liquid crystal both ends, i.e., identical common voltage is added in upper substrate, and lower substrate (that is to say
Array substrate) identical data voltage is added, especially for liquid crystal two below three kinds of R (red), G (green), B (indigo plant) color color blockings
The voltage (that is to say that the potential difference between the public electrode and pixel electrode at liquid crystal both ends is formed by voltage) at end is all to one
The voltage of a fixation, it is therefore an objective to make the voltage difference at R, G, B color blocking lower section liquid crystal both ends consistent, in order to avoid occur not in process of alignment
Uniform orientation effect.But this method for because color blocking film thickness itself it is inconsistent caused by colour cast problem, can not be effective
It solves.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation method of liquid crystal display panel, so that liquid crystal display
The orientation effect of panel is more uniform, facilitates the colour cast for solving the problems, such as liquid crystal display panel.
A kind of preparation method of liquid crystal display panel provided by the invention, includes the following steps:
Color membrane substrates are prepared, and prepare public electrode on the surface of the color membrane substrates, the color membrane substrates include coloured
Resistance layer, and the color blocking layer includes multiple and different colors and the color blocking region for being spaced apart from each other distribution；
The first metal wire and insulating layer are prepared on the glass substrate, and the insulating layer covers first metal wire；
Multiple sub-pixel circuits corresponding with color blocking regions multiple in the color blocking layer are prepared on the insulating layer,
And each sub-pixel circuits extend second metal wire, to access data voltage signal by second metal wire；
The color blocking region film thickness of different colours is measured, and by the color blocking region film thickness of different colours and sets film thickness value ratio
Compared with, it is determined whether there is part color blocking region film thickness to be greater than setting film thickness value, if so, by the corresponding son of the part color blocking region
The second metal wire and first metal wire that pixel circuit extends bridge；
Inject liquid crystal between the color membrane substrates and the glass substrate, and by the color membrane substrates and the glass base
Plate is combined and packaged into liquid crystal cell, and the insulating layer is between the color membrane substrates and the glass substrate；
Public voltage signal is conveyed to the public electrode, and conveys the first data voltage letter to first metal wire
Number, and it is defeated no more than the second metal wire that the corresponding sub-pixel circuits of color blocking region of setting film thickness value are extended to film thickness
The second data voltage signal is sent, light orientation, the voltage value of first data voltage signal and described the are carried out to the liquid crystal
The voltage value of two data voltage signals is not identical.
Preferably, further include following step:
It will include first metal wire and second gold medal on the liquid crystal cell after the liquid crystal completes orientation
Belong to the Regional resection of bridge contact between line.
Preferably, the material of first metal wire and second metal wire be respectively molybdenum, titanium, copper, gold in one
Kind, the insulating layer material is SiNx or SiOx.
Preferably, second metal wire and first metal wire are bridged by radium-shine mode.
Preferably, the sub-pixel circuits are located at the effective display area of liquid crystal display panel, first metal wire and institute
State the noneffective display area that the second metal wire is respectively positioned on liquid crystal display panel.
Preferably, first metal wire surrounds liquid crystal display panel effective display area.
Preferably, when the liquid crystal is vertically oriented liquid crystal, the voltage value of first data voltage signal is less than
The voltage value of second data voltage signal；
When the liquid crystal is the liquid crystal of horizontal alignment, the voltage value of second data voltage signal is greater than described second
The voltage value of data voltage signal.
Preferably, further include following step:
Corresponding second metal wire of the multiple sub-pixel circuits and the first metal pressing are tied to same
Bind area.
Preferably, the color blocking layer includes the color blocking region of three kinds of colors of RGB.
The invention has the following beneficial effects: in conclusion the present invention by being arranged the first gold medal on the glass substrate
Belong to line, the second metal wire and the first gold medal that the corresponding sub-pixel circuits of color blocking region that film thickness is greater than setting film thickness value are extended
Belong to line bridge joint, it is corresponding greater than the color blocking region of setting film thickness value to film thickness to convey the first data voltage signal by the first metal wire
Sub-pixel circuits, and be directly less than the color blocking region corresponding sub-pixel electricity of setting film thickness value to film thickness by the second metal wire
Road conveys the second data voltage signal, and the voltage value of the first data voltage signal and the second data voltage signal is different, in liquid
Brilliant top is additionally provided with public electrode, the public voltage signal all one of the public electrode access above different subpixel circuit
Sample, therefore, film thickness is greater than setting film thickness value and film thickness is less than the liquid crystal set below the corresponding color blocking region of film thickness value, suffered
Electric field level it is different, to liquid crystal carry out light orientation when, the angle of liquid crystal deflection is different, thus liquid crystal is to different colours
The uptake of light is different.By this kind of method, film thickness can be made to be greater than the liquid below the color blocking region of setting film thickness value
Crystalline substance reduces the absorption of corresponding color light, avoids liquid crystal display panel from generating the colour cast of the color blocking region corresponding color, so that liquid
The orientation effect of LCD panel is more uniform.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of the preparation method of liquid crystal display panel provided by the invention.
Fig. 2 is the schematic diagram of liquid crystal display panel provided by the invention.
Fig. 3 is the schematic diagram of the second metal wire provided by the invention.
Fig. 4 is the schematic diagram of the second metal wire and the first metal wire bridge joint in Fig. 2 provided by the invention.
Fig. 5 is that depression angle provided by the invention observes showing for the first metal wire, the second metal wire and sub-pixel circuits
It is intended to.
Fig. 6 is the data voltage of the corresponding access of the corresponding sub-pixel circuits of three kinds of color blocking regions of RGB provided by the invention
The waveform diagram of signal.
Specific embodiment
The present invention provides a kind of preparation method of liquid crystal display panel, as shown in Figure 1, the preparation method includes following steps
It is rapid:
With reference to Fig. 2, color membrane substrates 5 are prepared, and prepare public electrode 6 on the surface of color membrane substrates 5, color membrane substrates 5 include
There is color blocking layer 51, and color blocking layer 51 includes multiple and different colors and the color blocking region 511,512,513 for being spaced apart from each other distribution；Example
Such as, in Fig. 2 color blocking layer 51 include three kinds of colors of RGB color blocking region 511,512,513.
The first metal wire 2 and insulating layer 3 are prepared on glass substrate 1, insulating layer 3 covers the first metal wire 2, the first gold medal
Category line 2 can be the first layer metal layer on glass substrate 1 and be prepared.
Multiple sub-pixel circuits 4 corresponding with color blocking regions multiple in color blocking layer 51 are prepared on the insulating layer 3, and every
One sub-pixel circuits 4 extend second metal wire 41 as shown in Figure 3, to access data electricity by the second metal wire 41
Signal is pressed, the second metal wire 41 can be the second layer for being used to prepare thin film transistor (TFT) in sub-pixel circuits 4 on glass substrate 1
Metal layer preparation.In general, including a pixel electrode in each sub-pixel circuits 4, when sub-pixel circuits 4 are opened
When, the data voltage signal of the second metal wire 41 access can be sent to pixel electrode.
The color blocking region film thickness of different colours is measured, and by the color blocking region film thickness of different colours and sets film thickness value ratio
Compared with, it is determined whether there is part color blocking region film thickness to be greater than setting film thickness value, if so, by the corresponding sub- picture of the part color blocking region
The second metal wire 41 and the first metal wire Bridge 2 that plain circuit 4 extends connect and (establish and be electrically connected), as shown in Figure 4 and Figure 5；
Here it is possible to bridged the second metal wire 41 and the first metal wire 2 by radium-shine mode, by radium-shine mode by
Two metal wires 41 are bridged with the first metal wire 2, will form via hole 411 shown in Fig. 4 on the second metal wire 41.The part
The corresponding sub-pixel circuits 4 of color blocking region that is to say that when color membrane substrates 5 are arranged above multiple sub-pixel circuits 4, being located at should
Sub-pixel circuits 4 below the color blocking region of part.
For example, color blocking layer 51 includes the color blocking region 511,512,513 of three kinds of colors of RGB shown in Fig. 2, then
Just need to measure the film thickness in red color resistance region 511, green color blocking region 512 and blue color blocking region 513 respectively.It is such as light green
The film thickness of color color blocking region 512 is less than setting film thickness value, and the film thickness in red color resistance region 511 and blue color blocking region 513 is equal
Greater than setting film thickness value, then just needing the corresponding sub-pixel circuits in red color resistance region 511 and blue color blocking region 513
4 the second metal wires 41 (the second metal wire 41 of the leftmost side and most rear side shown in Fig. 4 and Fig. 5) and the first metal extended
Line Bridge 2 connects.Here, the corresponding sub-pixel circuits 4 in red color resistance region 511 and blue color blocking region 513, that is to say color film
When the top of multiple sub-pixel circuits 4 is arranged in substrate 5, the son of 513 lower section of red color resistance region 511 and blue color blocking region
Pixel circuit 4 (sub-pixel circuits 4 of the leftmost side and the rightmost side shown in Fig. 2 and Fig. 5).
Liquid crystal 7 is injected between color membrane substrates 5 and glass substrate 1, and by color membrane substrates 5 and 1 assembled package of glass substrate
At liquid crystal cell, insulating layer 3 is between color membrane substrates 5 and glass substrate 1.
Public voltage signal is conveyed to public electrode 6, and conveys the first data voltage signal to the first metal wire 2, and
To film thickness no more than the second metal wire 41 conveying that the corresponding sub-pixel circuits 4 of color blocking region of setting film thickness value are extended
Liquid crystal cell is put into light orientation equipment by two data voltage signals, carries out light orientation to liquid crystal 7, the first data voltage signal
Voltage value is not identical as the voltage value of the second data voltage signal, by adjusting the voltage swing of the first data voltage signal, makes
The color for obtaining liquid crystal cell is shown uniformly.Here, it when carrying out light orientation to liquid crystal 7, can be ultraviolet light, inhaled with specific reference to liquid crystal 7
The wave-length coverage for receiving light determines.
First data voltage signal and the second data voltage signal can send the pixel into corresponding sub-pixel circuit 4 electric respectively
Pole is additionally provided with public electrode 6, the common electrical that the public electrode 6 of 4 top of different subpixel circuit accesses in the top of liquid crystal 7
Press signal all, therefore, film thickness is greater than setting film thickness value and film thickness is less than below the corresponding color blocking region of setting film thickness value
Liquid crystal 7, suffered electric field level is different, to liquid crystal 7 carry out light orientation when, liquid crystal 7 deflect angle it is different, thus
Liquid crystal 7 is different to the uptake of different colours light.By this kind of method, film thickness can be made to be greater than the color of setting film thickness value
The absorption that the liquid crystal 7 below region reduces corresponding color light is hindered, avoids liquid crystal display panel from generating the color blocking region and corresponds to face
The colour cast of color.
The preparation method of above-mentioned liquid crystal display panel further includes following step:
It will include to be bridged between the first metal wire 2 and the second metal wire 41 on liquid crystal cell after liquid crystal 7 completes orientation
The Regional resection of point 30, for example, being cut off according to cutting line 11 shown in fig. 5.
The material of first metal wire 2 and the second metal wire 41 is respectively one of molybdenum, titanium, copper, gold, 3 material of insulating layer
Material is SiNx or SiOx, x > 0.
Sub-pixel circuits 4 are respectively positioned on the effective display area 10 of liquid crystal display panel, the first metal wire 2 and the second metal wire 41
It is respectively positioned on the noneffective display area 10 of liquid crystal display panel.Specifically, the first metal wire 2 surrounds liquid crystal display panel and effectively shows
Area 10.
Further, when liquid crystal 7 is the liquid crystal of vertically oriented (i.e. liquid crystal aligning is vertical with glass substrate 1), the first number
According to voltage signal voltage value less than the second data voltage signal voltage value.For example, the voltage value of the second data voltage signal
It can be 18V, the voltage value of the first data voltage signal can be 15V, can refer to Fig. 6 and in Fig. 6 from top to bottom be followed successively by
The waveform diagram of the data voltage signal of first, second and the access of third sub-pixel circuits 4 is played in left side in Fig. 5, passes through
The different voltage difference in 7 both ends of liquid crystal makes up orientation problem of non-uniform caused by color blocking film thickness difference.
When liquid crystal 7 is the liquid crystal 7 of horizontal alignment (i.e. liquid crystal aligning is parallel with glass substrate 1), the second data voltage letter
Number voltage value be greater than the second data voltage signal voltage value.
The preparation method of above-mentioned liquid crystal display panel further includes following step:
Corresponding second metal wire 41 of multiple sub-pixel circuits 4 and the pressing of the first metal wire 2 are tied to shown in fig. 5
Same binding area 8.
In conclusion the present invention is greater than setting film thickness value by the way that the first metal wire 2 is arranged on glass substrate 1, by film thickness
The second metal wire 41 for extending of the corresponding sub-pixel circuits 4 of color blocking region connect with the first metal wire Bridge 2, pass through the first metal
Line 2 conveys the corresponding sub-pixel circuits 4 of color blocking region that the first data voltage signal is greater than setting film thickness value to film thickness, and directly
The second data electricity is conveyed by the corresponding sub-pixel circuits 4 of color blocking region that the second metal wire 41 is less than setting film thickness value to film thickness
Signal is pressed, the voltage value of the first data voltage signal and the second data voltage signal is different, is additionally provided in the top of liquid crystal 7
Public electrode 6, all, therefore, film thickness is big for the public voltage signal that the public electrode 6 of 4 top of different subpixel circuit accesses
It is less than the liquid crystal 7 below the corresponding color blocking region of setting film thickness value in setting film thickness value and film thickness, suffered electric field level is not
Equally, when carrying out light orientation to liquid crystal 7, the angle that liquid crystal 7 deflects is different, thus suction of the liquid crystal 7 to different colours light
Receipts amount is different.By this kind of method, film thickness can be made greater than the reduction pair of liquid crystal 7 below the color blocking region of setting film thickness value
The absorption for answering color light avoids liquid crystal display panel from generating the colour cast of the color blocking region corresponding color.
The present invention is according to the situation of change of different colours color blocking film thickness, respectively by the corresponding sub-pixel of the thicker color blocking of film thickness
The second metal wire 41 that circuit 4 extends is bridged with the first metal wire 2, and the color relatively thin in the first metal wire 2 and film thickness
It hinders and is passed through different voltages on the second metal wire 41 that corresponding sub-pixel circuits 4 extend, allowing the color blocking of different-thickness, its is additional
Orientation voltage is inconsistent, achievees the purpose that final orientation uniform in effect, so that liquid crystal display panel is after completing orientation, it can
Uniform display effect is presented.Using this method to product yield is promoted, promotes product competitiveness and have very great help.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (9)
1. a kind of preparation method of liquid crystal display panel, which is characterized in that include the following steps:
Color membrane substrates are prepared, and prepare public electrode on the surface of the color membrane substrates, the color membrane substrates include color blocking layer,
And the color blocking layer includes multiple and different colors and the color blocking region for being spaced apart from each other distribution；
The first metal wire and insulating layer are prepared on the glass substrate, and the insulating layer covers first metal wire；
Multiple sub-pixel circuits corresponding with color blocking regions multiple in the color blocking layer are prepared on the insulating layer, and every
One sub-pixel circuits extend second metal wire, to access data voltage signal by second metal wire；
The color blocking region film thickness of different colours is measured, and by the color blocking region film thickness of different colours compared with setting film thickness value, really
It is fixed whether to there is part color blocking region film thickness to be greater than setting film thickness value, if so, by the corresponding sub-pixel of the part color blocking region
The second metal wire and first metal wire that circuit extends bridge；
Inject liquid crystal between the color membrane substrates and the glass substrate, and by the color membrane substrates and the glass substrate group
Conjunction is packaged into liquid crystal cell, and the insulating layer is between the color membrane substrates and the glass substrate；
Public voltage signal is conveyed to the public electrode, and conveys the first data voltage signal to first metal wire, with
And to film thickness no more than the second metal wire conveying that the corresponding sub-pixel circuits of color blocking region of setting film thickness value are extended
Two data voltage signals carry out light orientation, the voltage value of first data voltage signal and second number to the liquid crystal
It is not identical according to the voltage value of voltage signal.
2. the preparation method of liquid crystal display panel according to claim 1, which is characterized in that further include following step:
It will include first metal wire and second metal wire on the liquid crystal cell after the liquid crystal completes orientation
Between bridge contact Regional resection.
3. the preparation method of liquid crystal display panel according to claim 1, which is characterized in that first metal wire and institute
The material for stating the second metal wire is respectively one of molybdenum, titanium, copper, gold, and the insulating layer material is SiNx or SiOx.
4. the preparation method of liquid crystal display panel according to claim 1, which is characterized in that by radium-shine mode by institute
The second metal wire is stated to be bridged with first metal wire.
5. the preparation method of liquid crystal display panel according to claim 1, which is characterized in that the sub-pixel circuits are located at
The effective display area of liquid crystal display panel, first metal wire and second metal wire are respectively positioned on the non-of liquid crystal display panel
Effective display area.
6. the preparation method of liquid crystal display panel according to claim 1, which is characterized in that first metal wire surrounds
Liquid crystal display panel effective display area.
7. the preparation method of liquid crystal display panel according to claim 1, which is characterized in that when the liquid crystal is vertically to take
To liquid crystal when, the voltage value of first data voltage signal is less than the voltage value of second data voltage signal；
When the liquid crystal is the liquid crystal of horizontal alignment, the voltage value of second data voltage signal is greater than second data
The voltage value of voltage signal.
8. the preparation method of liquid crystal display panel according to claim 1, which is characterized in that further include following step:
Corresponding second metal wire of the multiple sub-pixel circuits and the first metal pressing are tied to same binding
Area.
9. the preparation method of liquid crystal display panel according to claim 1, which is characterized in that the color blocking layer includes red
The color blocking region of green blue three-color.
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| US20050105028A1 (en) * | 2003-11-18 | 2005-05-19 | Au Optronics Corp. | Gamma corrected LCD panel and a fabrication method of the same |
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| CN106707392A (en) * | 2016-12-07 | 2017-05-24 | 友达光电（昆山）有限公司 | Color filter and film thickness measurement method |
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