CN104849896A - Liquid crystal display panel, and method and device for reading alignment numerical values - Google Patents
Liquid crystal display panel, and method and device for reading alignment numerical values Download PDFInfo
- Publication number
- CN104849896A CN104849896A CN201510274621.3A CN201510274621A CN104849896A CN 104849896 A CN104849896 A CN 104849896A CN 201510274621 A CN201510274621 A CN 201510274621A CN 104849896 A CN104849896 A CN 104849896A
- Authority
- CN
- China
- Prior art keywords
- alignment mark
- alignment
- area
- contraposition
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
-
- 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
- G02F1/133354—Arrangements for aligning or assembling substrates
Landscapes
- 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
An embodiment of the invention provides a liquid crystal display panel, and a method and a device for reading alignment numerical values, and relates to the field of display technologies. The method for reading the alignment numerical values includes acquiring alignment images; computing areas of alignment regions of alignment mark groups; selecting an alignment mark group with the area meeting preset rules, and reading the alignment numerical values corresponding to the alignment mark group. The alignment images comprise third alignment marks and fourth alignment marks in the alignment mark groups. Each alignment mark group comprises first alignment marks, second alignment marks, the corresponding third alignment marks and the corresponding fourth alignment marks, the first alignment marks of each alignment mark group correspond to the second alignment marks of the alignment mark group, the third alignment marks of each alignment mark group are positioned at vertex angles of the first alignment marks of the alignment mark group, and the fourth alignment marks of each alignment mark group are positioned at vertex angles of the second alignment marks of the alignment mark group. All the third alignment marks and all the fourth alignment marks of the alignment mark groups are positioned in the alignment regions, and boundaries of the alignment regions coincide with connecting lines of the outermost peripheral third alignment marks and/or the fourth alignment marks in the alignment mark groups. The liquid crystal display panel, the method and the device have the advantage that alignment information can be quickly obtained.
Description
Technical field
The present invention relates to display technique field, particularly relate to the read method of a kind of display panels and contraposition numerical value, reading device.
Background technology
Display panels is widely used in the modernization information equipments such as TV, notebook, computing machine, mobile phone, personal digital assistant owing to having the features such as little, low in energy consumption, the radiationless and manufacturing cost of volume is relatively low.
Usually, display panels comprises array base palte, color membrane substrates and the liquid crystal layer between array base palte and color membrane substrates.Wherein, no matter be that array base palte or color membrane substrates include viewing area and neighboring area, described neighboring area comprises alignment mark.
In LCD board manufacturing process, relate to the identification of alignment mark, contraposition etc.But existing alignment mark is all fairly simple, when contraposition deviation occurs after array base palte and color membrane substrates are to box, be unfavorable for comparatively fast obtaining contraposition information.
Summary of the invention
Embodiments of the invention provide a kind of display panels, provide condition for obtaining contraposition information faster, additionally provide a kind of read method and reading device of contraposition numerical value, after terminating box technique, can obtain contraposition information faster.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, a kind of display panels, comprises first substrate and second substrate; The neighboring area of described first substrate comprises multiple equidistant arrangement and identical the first alignment mark of shape; The neighboring area of described second substrate comprises multiple equidistant arrangement and identical the second alignment mark of shape; Also comprise the 3rd alignment mark in the neighboring area of described first substrate, described 3rd alignment mark is arranged on each drift angle place of described first alignment mark; Also comprise the 4th alignment mark in the neighboring area of described second substrate, described 4th alignment mark is arranged on each drift angle place of described second alignment mark; Wherein, be at least also provided with on described first substrate and described first alignment mark numerical value one to one.
Preferably, described first alignment mark and described second alignment mark are of similar shape.
Preferred further, described first alignment mark and described second alignment mark are rectangle, and described 3rd alignment mark and described 4th alignment mark are all positioned at the drift angle place of described rectangle; Or described first alignment mark and described second alignment mark are unfilled corner rectangle, and described 3rd alignment mark and described 4th alignment mark are all positioned at the outer drift angle place of described unfilled corner rectangle.
Preferably, described first alignment mark and described 3rd alignment mark are arranged with layer, and arrange with layer with the metal level of the viewing area being positioned at described first substrate; Described second alignment mark and described 4th alignment mark are arranged with layer, and arrange with layer with the black matrix be positioned on described second substrate.
Based on above-mentioned, preferably, described 3rd alignment mark and described 4th alignment mark are of similar shape and size.
Preferably, the spacing between adjacent described first alignment mark is equal with the spacing between adjacent described second alignment mark.
On the other hand, a kind of read method of contraposition numerical value of above-mentioned display panels is provided, comprises: obtain bit image, described the 3rd alignment mark in each alignment mark group and the 4th alignment mark are comprised to bit image; Wherein, each alignment mark group comprises the first corresponding alignment mark and the second alignment mark, and is positioned at the 3rd alignment mark at this first alignment mark drift angle place and is positioned at the 4th alignment mark at this second alignment mark drift angle place; Calculate the area in the contraposition region of described alignment mark group; Wherein, all 3rd alignment marks and all 4th alignment marks of described alignment mark group are all arranged in described contraposition region, and described 3rd alignment mark of outermost and/or the line coincident of described 4th alignment mark in the border in described contraposition region and described alignment mark group; Choose the described alignment mark group that area meets preset rules, and read the contraposition numerical value corresponding with this alignment mark group.
Optionally, choose the described alignment mark group that area meets preset rules, and read the contraposition numerical value corresponding with this alignment mark group, comprising: according to described area, choose the alignment mark group that area is minimum, and read the contraposition numerical value corresponding with this alignment mark group.
Optionally, choose the described alignment mark group that area meets preset rules, and read the contraposition numerical value corresponding with this alignment mark group, comprise: according to described area, select the area in preset range, if only have first area in preset range, determine the alignment mark group that described first area is corresponding, and read contraposition numerical value corresponding to this alignment mark group; If have two the first areas at least in preset range, determine at least two the alignment mark groups corresponding with at least two the first areas, and the contraposition numerical value that at least two alignment mark groups are corresponding is respectively averaged, rounds, and read average, round after numerical value.
Based on above-mentioned, optionally, described acquisition comprises bit image: obtained described to bit image by ccd video camera.
Again on the one hand, a kind of reading device is provided, comprises: acquisition module, computing module and read module; Described acquisition module is used for obtaining bit image, describedly comprises the 3rd alignment mark in each alignment mark group and the 4th alignment mark to bit image; Wherein, each alignment mark group comprises the first corresponding alignment mark and the second alignment mark, and is positioned at the 3rd alignment mark at this first alignment mark drift angle place and is positioned at the 4th alignment mark at this second alignment mark drift angle place; Described computing module is for calculating the area in the contraposition region of described alignment mark group; Wherein, all 3rd alignment marks and all 4th alignment marks of described alignment mark group are all arranged in described contraposition region, and described 3rd alignment mark of outermost and/or the line coincident of described 4th alignment mark in the border in described contraposition region and described alignment mark group; Described read module meets a described alignment mark group of preset rules for choosing area, and reads the contraposition numerical value corresponding with this alignment mark group.
Optionally, described read module, specifically for according to described area, chooses the alignment mark group that area is minimum, and reads the contraposition numerical value corresponding with this alignment mark group; Or,
According to described area, select the area in preset range, if only have first area in preset range, determine the alignment mark group that described first area is corresponding, and read contraposition numerical value corresponding to this alignment mark group; If have two the first areas at least in preset range, determine at least two the alignment mark groups corresponding with at least two the first areas, and the contraposition numerical value that at least two alignment mark groups are corresponding is respectively averaged, rounds, and read average, round after numerical value.
Embodiments of the invention provide the read method of a kind of display panels and contraposition numerical value, reading device, after first substrate and second substrate are to box, based on the structure of described display panels, by obtaining the 3rd alignment mark in each alignment mark group and the 4th alignment mark, and calculate the area in the contraposition region determined by the line of described 3rd alignment mark and/or described 4th alignment mark that are arranged in alignment mark group outermost, to filter out a best alignment mark group of contraposition according to described area, and read the contraposition numerical value corresponding with this alignment mark group, namely, the embodiment of the present invention can read the information of alignment mark automatically, thus the embodiment of the present invention is made can to obtain contraposition information fast.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of array base palte that Fig. 1 provides for the embodiment of the present invention and color membrane substrates are to the structural representation one of alignment mark after box;
A kind of array base palte that Fig. 2 provides for the embodiment of the present invention and color membrane substrates are to the structural representation two of alignment mark after box;
The structural representation of alignment mark in a kind of array base palte that Fig. 3 provides for the embodiment of the present invention;
The structural representation of alignment mark in a kind of color membrane substrates that Fig. 4 provides for the embodiment of the present invention;
The schematic flow sheet of the read method of a kind of contraposition numerical value that Fig. 5 provides for the embodiment of the present invention;
The schematic diagram in the contraposition region of a kind of alignment mark group that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of reading device that Fig. 7 provides for the embodiment of the present invention.
Reference numeral:
10-array base palte; 101-neighboring area; 102-first alignment mark; 103-the 3rd alignment mark; 20-color membrane substrates; 202-second alignment mark; 203-the 4th alignment mark; 30-reading device; 301-acquisition module; 302-computing module; 303-read module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of display panels, this display panels comprises first substrate and second substrate; As depicted in figs. 1 and 2, the neighboring area of described first substrate comprises multiple equidistant arrangement and identical the first alignment mark 102 of shape; The neighboring area of described second substrate comprises multiple equidistant arrangement and identical the second alignment mark 202 of shape; Also comprise the 3rd alignment mark 103 in the neighboring area of described first substrate, described 3rd alignment mark 103 is arranged on each drift angle place of described first alignment mark 102; Also comprise the 4th alignment mark 203 in the neighboring area of described second substrate, described 4th alignment mark 203 is arranged on each drift angle place of described second alignment mark 202; Wherein, described first alignment mark 102 and described second alignment mark 202 are of similar shape; At least also be provided with on described first substrate and described first alignment mark 102 numerical value one to one.
Wherein, in the embodiment of the present invention, with described first substrate for array base palte, second substrate is that color membrane substrates is described, but is not limited to this, and first substrate is also can color membrane substrates, and second substrate can be array base palte.
Concrete, as shown in Figure 3, be provided with the first alignment mark 102 of multiple equidistant arrangement in the neighboring area 101 of array base palte 10, and the first alignment mark 102 of described multiple equidistant arrangement comprises first alignment mark 102 being positioned at zero point and is positioned at its both sides and with multiple first alignment marks 102 of the first spacing arrangement.As shown in Figure 4, the second alignment mark 202 that multiple equidistantly (the second spacing) arranges is provided with in the neighboring area 101 of color membrane substrates 20, and the first alignment mark 102 be positioned on array base palte 10 and the second alignment mark 202 one_to_one corresponding be positioned on color membrane substrates 20.In addition, the first above-mentioned spacing and the second spacing can equal also can be unequal, do not limit at this.
After described array base palte 10 and described color membrane substrates 20 pairs of box-likes become display panel, ideally that the 0th the first alignment mark 102 and second alignment mark 202 corresponding with it overlap, but reality is in box technique, above-mentioned perfect condition can not be accomplished completely, namely may be upwards be displaced to the 5th the first alignment mark 102 and the second alignment mark 202 corresponding with it has overlapped, and other do not overlap, therefore, this just needs to read contraposition numerical value as escribed above 5, processes accordingly to be chosen by the display panel not meeting contraposition requirement.
Wherein, above-mentioned Fig. 3 and Fig. 4 only identifies the alignment mark on a direction, similar to the above for the alignment mark on another direction, does not repeat them here.Based on this, the number of the first alignment mark 102 on each direction is not limited, specifically set according to actual conditions.After on each direction, the number of the first alignment mark 102 is determined, the number of the second alignment mark 202 is also determined in the direction in which accordingly.
It should be noted that, the first, the structure of the viewing area of described array base palte is not limited, the pixel electrode that each sub-pixel wherein can comprise thin film transistor (TFT) and be electrically connected with the drain electrode of thin film transistor (TFT); Described thin film transistor (TFT) comprises grid, gate insulation layer, semiconductor active layer, source electrode and drain electrode.
On this basis, each sub-pixel can also comprise public electrode; Wherein, for copline switch type (In-Plane Switch, be called for short IPS) array base palte, described pixel electrode and described public electrode every setting, and are strip shaped electric poles with interlayer; For senior super dimension field conversion hysteria (Advanced-super Dimensional Switching, be called for short ADS) array base palte, described pixel electrode and described public electrode different layers are arranged, and are wherein strip shaped electric poles at upper electrode, under electrode be plate electrode.
In addition, also do not limit the structure of the viewing area of described color membrane substrates, it can comprise chromatic filter layer, black matrix, and when described array base palte does not comprise public electrode, the viewing area of described color membrane substrates also comprises public electrode.
Second, the shape of described first alignment mark 102, described second alignment mark 202, described 3rd alignment mark 103 and described 4th alignment mark 203 is only schematically shown in Fig. 1-4, but the embodiment of the present invention is not limited to this, with described second alignment mark 202, the identical alignment mark of shape is preferably for described first alignment mark 102, can be arbitrary shape for described 3rd alignment mark 103 and described 4th alignment mark 203, as long as can be identified.
3rd, because array base palte and color membrane substrates are to after box, the first alignment mark 102 be positioned on array base palte is one to one with the second alignment mark 202 be positioned on color membrane substrates, thus, when only arranging numerical value at each first alignment mark 102 place of array base palte, this numerical value also just represents a pair corresponding first alignment marks 102 and the contraposition numerical value of the second alignment mark 202.
Preferably, described first alignment mark 102 and described second alignment mark 202 are of similar shape.Manufacture craft can be simplified like this.
Preferred further, described first alignment mark 102 and described second alignment mark 202 are rectangle, and described 3rd alignment mark 103 and described 4th alignment mark 203 are all positioned at the drift angle place of described rectangle; Or described first alignment mark 102 and described second alignment mark 202 are unfilled corner rectangle, and described 3rd alignment mark 103 and described 4th alignment mark 203 are all positioned at the outer drift angle place of described unfilled corner rectangle.
Wherein, as shown in Figure 1, rectangle is at described first alignment mark 102 and described second alignment mark 202, and described 3rd alignment mark 103 and described 4th alignment mark 203 are when being all positioned at the drift angle of rectangle, only need when forming described first alignment mark 102 of rectangle, at its drift angle place by part metals material etch to form described 3rd alignment mark 103, when forming described second alignment mark 202 of rectangle, at its drift angle place, black for part matrix material is etched to form described 4th alignment mark 203.
As shown in Figure 2, unfilled corner rectangle is at described first alignment mark 102 and described second alignment mark 202, and described 3rd alignment mark 103 and described 4th alignment mark 203 are when being all positioned at the outer drift angle place of described unfilled corner rectangle, when forming described first alignment mark 102 and the 3rd alignment mark 103 in the neighboring area of first substrate, only need after etching, the pattern remained forms described first alignment mark 102 and the 3rd alignment mark 103; In like manner, when forming described second alignment mark 202 and the 4th alignment mark 203 in the neighboring area of second substrate, only need after etching, the pattern remained forms described second alignment mark 202 and the 4th alignment mark 203.
Preferably, described first alignment mark 102 and described 3rd alignment mark 103 are arranged with layer, and arrange with layer with the metal level of the viewing area being positioned at described first substrate.
Wherein, described metal level can be the metal level comprising grid, also can be the metal level comprising source electrode and drain electrode.
Described second alignment mark 202 and described 4th alignment mark 203 are arranged with layer, and arrange with layer with the black matrix be positioned on described second substrate.
Described first alignment mark 102 and described 3rd alignment mark 103 that are positioned at first substrate neighboring area arrange with layer with the metal level being positioned at viewing area by the embodiment of the present invention, namely form described first alignment mark 102 and described 3rd alignment mark 103 and described metal level by patterning processes, thus the number of times of patterning processes when preparing first substrate can be avoided.In addition, described second alignment mark 202 and described 4th alignment mark 203 that are positioned at second substrate neighboring area are arranged with layer with the black matrix being positioned at viewing area, namely form described second alignment mark 202 and described 4th alignment mark 203 and described black matrix by patterning processes, thus the number of times of patterning processes when preparing second substrate can be avoided.
Preferably, described 3rd alignment mark 103 and described 4th alignment mark 203 are of similar shape and size.
Preferably, the spacing between adjacent described first alignment mark 102 is equal with the spacing between adjacent described second alignment mark 202.
Like this, the technology difficulty preparing array base palte and color membrane substrates can all be reduced.
The embodiment of the present invention additionally provides a kind of read method of contraposition numerical value of above-mentioned display panels, and as described in Figure 5, the method comprises the steps:
S01, obtain bit image, described the 3rd alignment mark 103 in each alignment mark group and the 4th alignment mark 203 are comprised to bit image; Wherein, each alignment mark group comprises the first corresponding alignment mark 102 and the second alignment mark 202, and is positioned at the 3rd alignment mark 103 at this first alignment mark 102 drift angle place and is positioned at the 4th alignment mark 203 at this second alignment mark 202 drift angle place.
Concrete, obtain described to bit image by CCD (Charge Coupled Device, charge-coupled image sensor) video camera.
S02, calculate the area in the contraposition region of described alignment mark group; Wherein, all 3rd alignment marks 103 and all 4th alignment marks 203 of described alignment mark group are all arranged in described contraposition region, and described 3rd alignment mark 103 of outermost and/or the line coincident of described 4th alignment mark 203 in the border in described contraposition region and described alignment mark group.
Herein, in described alignment mark group, the 3rd alignment mark 103 of outermost and the 4th alignment mark 203 refer to: after the first alignment mark 102 and the second alignment mark 202 contraposition, get rid of the 3rd alignment mark 103 after the 3rd alignment mark 103 and the 4th alignment mark 203 being positioned at overlapping region and the 4th alignment mark 203.Certainly, if when the first alignment mark 102 and the second alignment mark 202 overlap completely, all 3rd alignment marks 103 and all 4th alignment marks 203 are all positioned at the outermost of alignment mark group.
Further, as shown in Figure 6, preferred described contraposition region is quadrilateral (in figure shown in dotted line).
S03, choose the described alignment mark group that area meets preset rules, and read the contraposition numerical value corresponding with this alignment mark group.
Embodiments provide a kind of read method of contraposition numerical value of above-mentioned display panels, after first substrate and second substrate are to box, based on the structure of described display panels, by obtaining the 3rd alignment mark 103 in each alignment mark group and the 4th alignment mark 203, and calculate the area in the contraposition region determined by the line of described 3rd alignment mark 103 and/or described 4th alignment mark 203 that are arranged in alignment mark group outermost, to filter out a best alignment mark group of contraposition according to described area, and read the contraposition numerical value corresponding with this alignment mark group, namely, the embodiment of the present invention can read the information of alignment mark automatically, thus the embodiment of the present invention is made can to obtain contraposition information fast.
Above-mentioned S03 can be specifically: according to described area, chooses the alignment mark group that area is minimum, and reads the contraposition numerical value corresponding with this alignment mark group.
Or, above-mentioned S03 can be specifically: according to described area, selects the area in preset range, if only have first area in preset range, determine the alignment mark group that described first area is corresponding, and read contraposition numerical value corresponding to this alignment mark group;
If have two the first areas at least in preset range, determine at least two the alignment mark groups corresponding with at least two the first areas, and the contraposition numerical value that at least two alignment mark groups are corresponding is respectively averaged, rounds, and read average, round after numerical value.
Concrete, if preset range is (μ
0-σ, μ
0+ σ), and have two the first areas in this preset range, and the contraposition numerical value of two the alignment mark groups corresponding with these two the first areas is respectively 4 and 6, then by average obtaining 5, and to read contraposition numerical value be 5.
This be, if the value after average is decimal, need to carry out floor operation, the method that 4 houses 5 enter can be taked, be less than or equal to after radix point after even average 0.4 directly get radix point before numerical value, if be more than or equal to 0.5 after radix point after average, get the numerical value+1 before radix point.
The embodiment of the present invention additionally provides a kind of reading device 30, and as shown in Figure 7, this reading device 30 comprises: acquisition module 301, computing module 302 and read module 303; Described acquisition module 301, for obtaining bit image, describedly comprises the 3rd alignment mark 103 in each alignment mark group and the 4th alignment mark 203 to bit image; Wherein, each alignment mark group comprises the first corresponding alignment mark 102 and the second alignment mark 202, and is positioned at the 3rd alignment mark 103 at this first alignment mark 102 drift angle place and is positioned at the 4th alignment mark 203 at this second alignment mark 202 drift angle place; Described computing module 302 is for calculating the area in the contraposition region of described alignment mark group; Wherein, all 3rd alignment marks 103 and all 4th alignment marks 203 of described alignment mark group are all arranged in described contraposition region, and described 3rd alignment mark 103 of outermost and/or the line coincident of described 4th alignment mark 203 in the border in described contraposition region and described alignment mark group; Described read module 303 meets a described alignment mark group of preset rules for choosing area, and reads the contraposition numerical value corresponding with this alignment mark group.
Described read module 303, specifically for according to described area, chooses the alignment mark group that area is minimum, and reads the contraposition numerical value corresponding with this alignment mark group.
Or, described read module 303, specifically for according to described area, selects the area in preset range, if only have first area in preset range, determine the alignment mark group that described first area is corresponding, and read contraposition numerical value corresponding to this alignment mark group; If have two the first areas at least in preset range, determine at least two the alignment mark groups corresponding with at least two the first areas, and the contraposition numerical value that at least two alignment mark groups are corresponding is respectively averaged, rounds, and read average, round after numerical value.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (12)
1. a display panels, is characterized in that, comprises first substrate and second substrate; The neighboring area of described first substrate comprises multiple equidistant arrangement and identical the first alignment mark of shape; The neighboring area of described second substrate comprises multiple equidistant arrangement and identical the second alignment mark of shape;
Also comprise the 3rd alignment mark in the neighboring area of described first substrate, described 3rd alignment mark is arranged on each drift angle place of described first alignment mark;
Also comprise the 4th alignment mark in the neighboring area of described second substrate, described 4th alignment mark is arranged on each drift angle place of described second alignment mark;
Wherein, be at least also provided with on described first substrate and described first alignment mark numerical value one to one.
2. display panels according to claim 1, is characterized in that, described first alignment mark and described second alignment mark are of similar shape.
3. display panels according to claim 2, is characterized in that, described first alignment mark and described second alignment mark are rectangle, and described 3rd alignment mark and described 4th alignment mark are all positioned at the drift angle place of described rectangle;
Or described first alignment mark and described second alignment mark are unfilled corner rectangle, and described 3rd alignment mark and described 4th alignment mark are all positioned at the outer drift angle place of described unfilled corner rectangle.
4. display panels according to claim 1, is characterized in that, described first alignment mark and described 3rd alignment mark are arranged with layer, and arrange with layer with the metal level of the viewing area being positioned at described first substrate;
Described second alignment mark and described 4th alignment mark are arranged with layer, and arrange with layer with the black matrix be positioned on described second substrate.
5. the display panels according to any one of claim 1-4, is characterized in that, described 3rd alignment mark and described 4th alignment mark are of similar shape and size.
6. the display panels according to any one of claim 1-4, is characterized in that, the spacing between adjacent described first alignment mark is equal with the spacing between adjacent described second alignment mark.
7. the read method of the contraposition numerical value of display panels as described in any one of claim 1-6, is characterized in that, comprising:
Obtain bit image, described the 3rd alignment mark in each alignment mark group and the 4th alignment mark are comprised to bit image; Wherein, each alignment mark group comprises the first corresponding alignment mark and the second alignment mark, and is positioned at the 3rd alignment mark at this first alignment mark drift angle place and is positioned at the 4th alignment mark at this second alignment mark drift angle place;
Calculate the area in the contraposition region of described alignment mark group; Wherein, all 3rd alignment marks and all 4th alignment marks of described alignment mark group are all arranged in described contraposition region, and described 3rd alignment mark of outermost and/or the line coincident of described 4th alignment mark in the border in described contraposition region and described alignment mark group;
Choose the described alignment mark group that area meets preset rules, and read the contraposition numerical value corresponding with this alignment mark group.
8. method according to claim 7, is characterized in that, chooses the described alignment mark group that area meets preset rules, and reads the contraposition numerical value corresponding with this alignment mark group, comprising:
According to described area, choose the alignment mark group that area is minimum, and read the contraposition numerical value corresponding with this alignment mark group.
9. method according to claim 7, is characterized in that, chooses the described alignment mark group that area meets preset rules, and reads the contraposition numerical value corresponding with this alignment mark group, comprising:
According to described area, select the area in preset range, if only have first area in preset range, determine the alignment mark group that described first area is corresponding, and read contraposition numerical value corresponding to this alignment mark group;
If have two the first areas at least in preset range, determine at least two the alignment mark groups corresponding with at least two the first areas, and the contraposition numerical value that at least two alignment mark groups are corresponding is respectively averaged, rounds, and read average, round after numerical value.
10. the method according to any one of claim 7-9, is characterized in that, described acquisition comprises bit image:
Obtained described to bit image by ccd video camera.
11. 1 kinds of reading devices, is characterized in that, comprising: acquisition module, computing module and read module;
Described acquisition module is used for obtaining bit image, describedly comprises the 3rd alignment mark in each alignment mark group and the 4th alignment mark to bit image; Wherein, each alignment mark group comprises the first corresponding alignment mark and the second alignment mark, and is positioned at the 3rd alignment mark at this first alignment mark drift angle place and is positioned at the 4th alignment mark at this second alignment mark drift angle place;
Described computing module is for calculating the area in the contraposition region of described alignment mark group; Wherein, all 3rd alignment marks and all 4th alignment marks of described alignment mark group are all arranged in described contraposition region, and described 3rd alignment mark of outermost and/or the line coincident of described 4th alignment mark in the border in described contraposition region and described alignment mark group;
Described read module meets a described alignment mark group of preset rules for choosing area, and reads the contraposition numerical value corresponding with this alignment mark group.
12. reading devices according to claim 11, is characterized in that, described read module, specifically for according to described area, chooses the alignment mark group that area is minimum, and read the contraposition numerical value corresponding with this alignment mark group; Or,
According to described area, select the area in preset range, if only have first area in preset range, determine the alignment mark group that described first area is corresponding, and read contraposition numerical value corresponding to this alignment mark group;
If have two the first areas at least in preset range, determine at least two the alignment mark groups corresponding with at least two the first areas, and the contraposition numerical value that at least two alignment mark groups are corresponding is respectively averaged, rounds, and read average, round after numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274621.3A CN104849896B (en) | 2015-05-26 | 2015-05-26 | A kind of liquid crystal display panel and read method, the reading device for aligning numerical value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274621.3A CN104849896B (en) | 2015-05-26 | 2015-05-26 | A kind of liquid crystal display panel and read method, the reading device for aligning numerical value |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104849896A true CN104849896A (en) | 2015-08-19 |
| CN104849896B CN104849896B (en) | 2017-10-10 |
Family
ID=53849658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274621.3A Active CN104849896B (en) | 2015-05-26 | 2015-05-26 | A kind of liquid crystal display panel and read method, the reading device for aligning numerical value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104849896B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680487A (en) * | 2017-11-07 | 2018-02-09 | 武汉天马微电子有限公司 | A kind of display module and display device |
| CN109254438A (en) * | 2018-10-11 | 2019-01-22 | 深圳市华星光电技术有限公司 | A kind of liquid crystal display panel and its manufacturing method |
| CN111882988A (en) * | 2020-07-31 | 2020-11-03 | 北海惠科光电技术有限公司 | Display panel, manufacturing method of display panel and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1987581A (en) * | 2005-12-23 | 2007-06-27 | 群康科技(深圳)有限公司 | Position alignment mark and liquid crystal panel with position alignment mark |
| US20080273159A1 (en) * | 2007-05-03 | 2008-11-06 | Samsung Electronics Co., Ltd. | Display apparatus and method of manufacturing the same |
| CN102707471A (en) * | 2012-05-03 | 2012-10-03 | 北京京东方光电科技有限公司 | Liquid crystal grating, manufacturing method of liquid crystal grating, 3D display part and 3D display device |
| CN104536181A (en) * | 2014-12-25 | 2015-04-22 | 昆山国显光电有限公司 | FOG process alignment method and system |
-
2015
- 2015-05-26 CN CN201510274621.3A patent/CN104849896B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1987581A (en) * | 2005-12-23 | 2007-06-27 | 群康科技(深圳)有限公司 | Position alignment mark and liquid crystal panel with position alignment mark |
| US20080273159A1 (en) * | 2007-05-03 | 2008-11-06 | Samsung Electronics Co., Ltd. | Display apparatus and method of manufacturing the same |
| CN102707471A (en) * | 2012-05-03 | 2012-10-03 | 北京京东方光电科技有限公司 | Liquid crystal grating, manufacturing method of liquid crystal grating, 3D display part and 3D display device |
| CN104536181A (en) * | 2014-12-25 | 2015-04-22 | 昆山国显光电有限公司 | FOG process alignment method and system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680487A (en) * | 2017-11-07 | 2018-02-09 | 武汉天马微电子有限公司 | A kind of display module and display device |
| CN107680487B (en) * | 2017-11-07 | 2020-03-24 | 武汉天马微电子有限公司 | Display module and display device |
| CN109254438A (en) * | 2018-10-11 | 2019-01-22 | 深圳市华星光电技术有限公司 | A kind of liquid crystal display panel and its manufacturing method |
| CN109254438B (en) * | 2018-10-11 | 2021-12-03 | Tcl华星光电技术有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN111882988A (en) * | 2020-07-31 | 2020-11-03 | 北海惠科光电技术有限公司 | Display panel, manufacturing method of display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104849896B (en) | 2017-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11016592B2 (en) | Display substrate, in cell touch panel and display device | |
| CN103353683B (en) | A kind of array base palte and comprise the display device of this array base palte | |
| CN103293740B (en) | Display panels | |
| US9897877B2 (en) | Thin film transistor array substrate and liquid crystal display panel using same | |
| CN102681246A (en) | Color film substrate, method for manufacturing same and liquid crystal display | |
| CN103293811A (en) | Array substrate, manufacture method of array substrate, and display device | |
| CN104218042A (en) | Array substrate, production method thereof and display device | |
| CN103824865B (en) | Array substrate, preparation method thereof and display device | |
| CN103488015B (en) | Pixel structure and display panel with same | |
| CN106526937B (en) | Tft array substrate, liquid crystal display panel and display device | |
| US9720292B2 (en) | Liquid crystal display panel and method for making same | |
| CN104330911A (en) | Display panel and manufacturing method thereof, and display device | |
| CN104330917A (en) | Colorful film substrate and display device | |
| CN103809324A (en) | Display panel and display device | |
| CN204101855U (en) | Array base palte, display panel and display device | |
| CN104849896A (en) | Liquid crystal display panel, and method and device for reading alignment numerical values | |
| CN104571716A (en) | Upper substrate and preparation method thereof, touch display panel and preparation method thereof | |
| CN104409462A (en) | Array substrate, manufacturing method thereof and display device | |
| CN104155816B (en) | Array substrate and display panel with same | |
| US10290660B2 (en) | Array substrate, manufacturing method thereof, display panel and display device | |
| CN103576358A (en) | Low-color-shift liquid crystal panel and display | |
| CN104882450A (en) | Array substrate, manufacturing method thereof, and display device | |
| KR20140086395A (en) | Liquid crystal display device and Method for manufacturing the same | |
| US10866470B2 (en) | Display device and manufacturing method thereof | |
| CN104570459A (en) | Liquid crystal panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |