CN105572939A - Alignment and assembly method of liquid crystal display panel - Google Patents
Alignment and assembly method of liquid crystal display panel Download PDFInfo
- Publication number
- CN105572939A CN105572939A CN201610069736.3A CN201610069736A CN105572939A CN 105572939 A CN105572939 A CN 105572939A CN 201610069736 A CN201610069736 A CN 201610069736A CN 105572939 A CN105572939 A CN 105572939A
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- CN
- China
- Prior art keywords
- alignment mark
- substrate
- tft array
- array substrate
- contraposition
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- 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.)
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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
- G02F1/133354—Arrangements for aligning or assembling substrates
Abstract
The invention provides an alignment and assembly method of a liquid crystal display panel. Four pairs of four-corner alignment maker groups located at the four-corner positions of a CF substrate and a TFT array substrate and a plurality of pairs of standby alignment maker groups at other positions of the substrates are arranged on the CF substrate and the TFT array substrate to be aligned and assembled. Firstly, the CF substrate and the TFT array substrate are preliminarily aligned according to the four pairs of four-corner alignment maker groups, then the CF substrate and the TFT array substrate are further aligned according to the plurality of pairs of standby alignment maker groups, and accordingly the best assembly quality is achieved. Under the situation that missing exists in the four-corner alignment maker groups, a good alignment effect can be still achieved through the standby alignment maker groups, accordingly the poor assembly problem caused by missing of alignment makers at the four-corner positions of the substrates in an existing assembly mode is avoided, and further the production yield of the liquid crystal display panel is improved.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of contraposition method for assembling of display panels.
Background technology
Liquid crystal display (LiquidCrystalDisplay, LCD) have that fuselage is thin, power saving, the many merits such as radiationless, be widely used, as: LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen or notebook computer screen etc., occupy an leading position in flat display field.
Liquid crystal display major part on existing market is backlight liquid crystal display, and it comprises display panels and backlight module (backlightmodule).The principle of work of display panels is at thin-film transistor array base-plate (ThinFilmTransistorArraySubstrate, TFTArraySubstrate) with color membrane substrates (ColorFilter, CF) liquid crystal molecule is poured between, and on two plate bases, apply driving voltage to control the sense of rotation of liquid crystal molecule, so that the light refraction of backlight module is out produced picture.
The moulding process of display panels generally comprises: leading portion array (Array) processing procedure (film, gold-tinted, etching and stripping), stage casing become box (Cell) processing procedure (tft array substrate founds into box with CF substrate in batch) and back segment module group assembling processing procedure (drive IC and printed circuit board (PCB) pressing); Wherein, stage casing becomes box processing procedure mainly to comprise: the coating of sealing frame glue, Liquid crystal pour, vacuum group are stood and several processing procedure such as solidification.
The group cube formula of existing display panels is all carried out with alignment mark (Mark) contraposition, as shown in Figure 1, undertaken organizing vertical operation by the tft array substrate alignment mark 110 and CF substrate alignment mark 210 that read the corner location place on tft array substrate 100 and CF substrate 200, wherein, tft array substrate 100 and the tft array substrate alignment mark 110 at corner location place on CF substrate 200 and the good working condition of CF substrate alignment mark 210 directly will have influence on and organize vertical result.When the alignment mark at the corner location place on tft array substrate and CF substrate produce lack time, the vertical board of group will be caused effectively cannot to read alignment mark, thus have influence on the vertical quality of group.
Summary of the invention
The object of the present invention is to provide a kind of contraposition method for assembling of display panels, after preliminary contraposition is carried out by corner alignment mark group to CF substrate and tft array substrate, carry out further contraposition by alignment mark group for subsequent use again, thus reach the vertical quality of best group.
For achieving the above object, the invention provides a kind of contraposition method for assembling of display panels, comprise the steps:
Step 1, provide and treat the vertical CF substrate of hyte and tft array substrate, described CF substrate is provided with several CF substrate alignment mark, on described tft array substrate, corresponding described several CF substrate alignment mark is provided with several tft array substrate alignment mark, and each CF substrate alignment mark and the tft array substrate alignment mark corresponding with it form a pair alignment mark group;
Described alignment mark group comprise be positioned at CF substrate and tft array substrate corner location on 4 pairs of corner alignment mark groups and other positions on several to alignment mark group for subsequent use;
Step 2, provide one group to found board, described group is found board and reads 4 pairs of corner alignment mark groups, CF substrate and tft array substrate described in preliminary contraposition;
Step 3, described group stand board read several to alignment mark group for subsequent use, CF substrate and tft array substrate described in further contraposition;
Step 4, to fit through the CF substrate of preliminary contraposition and further contraposition and tft array substrate, thus complete hyte is stood.
In described step 1, the CF substrate provided and tft array substrate divide and has several subregion.
Each subregion of described CF substrate is arranged with several measure-alike CF base board unit, each subregion of described tft array substrate is arranged with several measure-alike tft array substrate unit, described CF base board unit and tft array substrate unit one_to_one corresponding.
Described alignment mark is mounted on the corner location of described subregion.
Described CF substrate and tft array substrate divide and has 4 sub regions, described 4 sub regions be that matrix pattern arranges, and 4 place's corner locations of each subregion are equipped with a pair alignment mark group, and same row adjacent rows subregion shares two pairs of alignment mark groups.
Described CF substrate and tft array substrate are provided with 12 pairs of alignment mark groups altogether.
Alternatively, the CF substrate alignment mark in every a pair alignment mark group and tft array substrate alignment mark, one of them is the cruciform pattern in the word of corresponding field, and another is the pattern of 4 solid squares compositions of 4 place's blank positions in the word of corresponding field.
Alternatively, CF substrate alignment mark in every a pair alignment mark group and tft array substrate alignment mark, one of them is box-shaped pattern, and another is the pattern that 1 solid object that can be surrounded by this shaped as frame and 4 L shapes that can fasten with a corner, 4 of this shaped as frame form.
Beneficial effect of the present invention: the contraposition method for assembling of display panels provided by the invention, the CF substrate treating to stand hyte and tft array substrate arrange the 4 pairs of corner alignment mark groups be positioned on the corner location of CF substrate and tft array substrate, several to alignment mark group for subsequent use with on other positions, first according to described 4 pairs of corner alignment mark groups, preliminary contraposition is carried out to described CF substrate and tft array substrate, and then according to several, to described CF substrate and tft array substrate, further contraposition is carried out to alignment mark group for subsequent use, thus reach the vertical quality of best group, when there is disappearance in corner alignment mark group, still can reach good contraposition effect by alignment mark group for subsequent use, thus avoid in existing group of cube formula that the group that produces founds bad problem because the alignment mark disappearance at corner location place on substrate, and then improve the production yield of display panels.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the schematic diagram of the contraposition method for assembling of existing a kind of display panels;
Fig. 2 is the schematic flow sheet of the contraposition method for assembling of display panels of the present invention;
Fig. 3 is the distribution schematic diagram of alignment mark group on tft array substrate or CF substrate in the step 1 of the contraposition method for assembling of display panels of the present invention;
The schematic diagram of a kind of alignment mark pattern of the alignment mark group used in the contraposition method for assembling that Fig. 4 is display panels of the present invention;
The schematic diagram of the another kind of alignment mark pattern of the alignment mark group used in the contraposition method for assembling that Fig. 5 is display panels of the present invention.
Embodiment
For further setting forth the technological means and effect thereof that the present invention takes, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Refer to Fig. 2, the invention provides a kind of contraposition method for assembling of display panels, comprise the steps:
Step 1, refer to Fig. 3, there is provided and treat the vertical CF substrate of hyte and tft array substrate, described CF substrate is provided with several CF alignment mark, on described tft array substrate, corresponding described several CF alignment mark is provided with several TFT alignment mark, and each CF alignment mark and the TFT alignment mark corresponding with it form a pair alignment mark group;
Described alignment mark group comprise be positioned at CF substrate and tft array substrate corner location on 4 pairs of corner alignment mark groups and other positions on several to alignment mark group for subsequent use;
Particularly, in described step 1, the CF substrate provided and tft array substrate divide and has several subregion.
Each subregion of described CF substrate is arranged with several measure-alike CF base board unit, each subregion of described tft array substrate is arranged with several measure-alike tft array substrate unit, described CF base board unit and tft array substrate unit one_to_one corresponding.
Particularly, described alignment mark is mounted on the corner location of described subregion.
Further, described CF substrate and tft array substrate divide and has 4 sub regions, described 4 sub regions are matrix pattern arrangement, 4 place's corner locations of each subregion are equipped with a pair alignment mark group, same row adjacent rows subregion shares two pairs of alignment mark groups, totally 12 pairs of alignment mark groups, as shown in Figure 3, the first to the 12 alignment mark group 1-12 in described 12 pairs of alignment mark groups difference corresponding diagram 3, wherein first, 3rd, tenth, and the 12 alignment mark group 1, 3, 10, 12 is corner alignment mark group, second, 4th, 5th, 6th, 7th, 8th, 9th, and the 11 alignment mark group 2, 4, 5, 6, 7, 8, 9, 11 is alignment mark group for subsequent use.
Alternatively, refer to Fig. 4, CF substrate alignment mark in every a pair alignment mark group and tft array substrate alignment mark, one of them is the cruciform pattern in the word of corresponding field, another is the pattern of 4 solid squares compositions of 4 place's blank positions in the word of corresponding field, carries out contraposition by interval cruciform pattern being engaged to 4 solid squares patterns.
Alternatively, refer to Fig. 5, CF substrate alignment mark in every a pair alignment mark group and tft array substrate alignment mark, one of them is box-shaped pattern, another is the pattern that 1 solid object that can be surrounded by this shaped as frame and 4 L shapes that can fasten with a corner, 4 of this shaped as frame form, by solid shape is corresponded to the center of described shaped as frame, 4 corners of 4 L shapes and described shaped as frame are fastened simultaneously and carry out contraposition.
Step 2, provide one group to found board, described group is found board and reads 4 pairs of corner alignment mark groups (i.e. the first, the 3rd, the tenth and the 12 alignment mark group 1,3,10,12), CF substrate and tft array substrate described in preliminary contraposition;
Step 3, described group stand board read several to alignment mark group for subsequent use (i.e. the second, the 4th, the 5th, the 6th, the 7th, the 8th, the 9th and the 11 alignment mark group 2,4,5,6,7,8,9,11), CF substrate and tft array substrate described in further contraposition;
It is worth mentioning that, disappearance is there is in corner alignment mark group, during the contraposition poor effect of preliminary contraposition, contraposition effect can be improved by the further contraposition of alignment mark group for subsequent use, promote contraposition accuracy, thus ensure, when disappearance appears in corner alignment mark group, still can reach good contraposition effect, avoid group vertical bad.
Step 4, to fit through the CF substrate of preliminary contraposition and further contraposition and tft array substrate, thus complete hyte is stood.
In sum, the contraposition method for assembling of display panels provided by the invention, the CF substrate treating to stand hyte and tft array substrate arrange the 4 pairs of corner alignment mark groups be positioned on the corner location of CF substrate and tft array substrate, several to alignment mark group for subsequent use with on other positions, first according to described 4 pairs of corner alignment mark groups, preliminary contraposition is carried out to described CF substrate and tft array substrate, and then according to several, to described CF substrate and tft array substrate, further contraposition is carried out to alignment mark group for subsequent use, thus reach the vertical quality of best group, when there is disappearance in corner alignment mark group, still can reach good contraposition effect by alignment mark group for subsequent use, thus avoid in existing group of cube formula that the group that produces founds bad problem because the alignment mark disappearance at corner location place on substrate, and then improve the production yield of display panels.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection domain that all should belong to the claims in the present invention.
Claims (8)
1. a contraposition method for assembling for display panels, is characterized in that, comprise the steps:
Step 1, provide and treat the vertical CF substrate of hyte and tft array substrate, described CF substrate is provided with several CF substrate alignment mark, on described tft array substrate, corresponding described several CF alignment mark is provided with several tft array substrate alignment mark, and each CF substrate alignment mark and a tft array substrate alignment mark corresponding with it form a pair alignment mark group;
Described alignment mark group comprise be positioned at CF substrate and tft array substrate corner location on 4 pairs of corner alignment mark groups and other positions on several to alignment mark group for subsequent use;
Step 2, provide one group to found board, described group is found board and reads 4 pairs of corner alignment mark groups, CF substrate and tft array substrate described in preliminary contraposition;
Step 3, described group stand board read several to alignment mark group for subsequent use, CF substrate and tft array substrate described in further contraposition;
Step 4, to fit through the CF substrate of preliminary contraposition and further contraposition and tft array substrate, thus complete hyte is stood.
2. the contraposition method for assembling of display panels as claimed in claim 1, is characterized in that, in described step 1, the CF substrate provided and tft array substrate divides the several subregions having correspondence mutually respectively.
3. the contraposition method for assembling of display panels as claimed in claim 2, it is characterized in that, each subregion of described CF substrate is arranged with several measure-alike CF base board unit, each subregion of described tft array substrate is arranged with several measure-alike tft array substrate unit, described CF base board unit and tft array substrate unit one_to_one corresponding.
4. the contraposition method for assembling of display panels as claimed in claim 2, it is characterized in that, described alignment mark is mounted on the corner location of described subregion.
5. the contraposition method for assembling of display panels as claimed in claim 4, it is characterized in that, described CF substrate and tft array substrate divide and has 4 sub regions, described 4 sub regions are matrix pattern arrangement, 4 place's corner locations of each subregion are equipped with a pair alignment mark group, and same row adjacent rows subregion shares two pairs of alignment mark groups.
6. the contraposition method for assembling of display panels as claimed in claim 5, is characterized in that, described CF substrate and tft array substrate are provided with 12 pairs of alignment mark groups altogether.
7. the contraposition method for assembling of display panels as claimed in claim 1, it is characterized in that, CF substrate alignment mark in every a pair alignment mark group and tft array substrate alignment mark, one of them is the cruciform pattern in the word of corresponding field, and another is the pattern of 4 solid squares compositions of 4 place's blank positions in the word of corresponding field.
8. the contraposition method for assembling of display panels as claimed in claim 1, it is characterized in that, CF substrate alignment mark in every a pair alignment mark group and tft array substrate alignment mark, one of them is box-shaped pattern, and another is the pattern that 1 solid object that can be surrounded by this shaped as frame and 4 L shapes that can fasten with a corner, 4 of this shaped as frame form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610069736.3A CN105572939A (en) | 2016-02-01 | 2016-02-01 | Alignment and assembly method of liquid crystal display panel |
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| CN201610069736.3A CN105572939A (en) | 2016-02-01 | 2016-02-01 | Alignment and assembly method of liquid crystal display panel |
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| CN201610069736.3A Pending CN105572939A (en) | 2016-02-01 | 2016-02-01 | Alignment and assembly method of liquid crystal display panel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107505752A (en) * | 2017-09-14 | 2017-12-22 | 武汉华星光电技术有限公司 | A kind of substrate processing method using same and liquid crystal display |
| CN107734827A (en) * | 2016-08-10 | 2018-02-23 | 北大方正集团有限公司 | Register guide and alignment detecting method |
| CN110109281A (en) * | 2019-05-07 | 2019-08-09 | 信利（惠州）智能显示有限公司 | Liquid crystal display panel and method for bonding substrate |
| CN110147002A (en) * | 2019-04-28 | 2019-08-20 | 武汉华星光电技术有限公司 | Align feeler switch, liquid crystal display panel and contraposition method for assembling |
| CN108493147B (en) * | 2018-03-28 | 2020-08-04 | 京东方科技集团股份有限公司 | Substrate and alignment method thereof |
| CN112327534A (en) * | 2020-12-03 | 2021-02-05 | 深圳市华星光电半导体显示技术有限公司 | Substrate pair marking method, display panel and display device |
| CN113238400A (en) * | 2021-03-29 | 2021-08-10 | 绵阳惠科光电科技有限公司 | Alignment mark, display device, and method for determining alignment mark |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110147002B (en) * | 2019-04-28 | 2022-04-26 | 武汉华星光电技术有限公司 | Alignment test key, liquid crystal display panel and alignment assembly method |
| CN110109281A (en) * | 2019-05-07 | 2019-08-09 | 信利（惠州）智能显示有限公司 | Liquid crystal display panel and method for bonding substrate |
| CN112327534A (en) * | 2020-12-03 | 2021-02-05 | 深圳市华星光电半导体显示技术有限公司 | Substrate pair marking method, display panel and display device |
| CN113238400A (en) * | 2021-03-29 | 2021-08-10 | 绵阳惠科光电科技有限公司 | Alignment mark, display device, and method for determining alignment mark |
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