CN102608797A - Alignment method for assembling liquid crystal display device - Google Patents
Alignment method for assembling liquid crystal display device Download PDFInfo
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- CN102608797A CN102608797A CN2012101040810A CN201210104081A CN102608797A CN 102608797 A CN102608797 A CN 102608797A CN 2012101040810 A CN2012101040810 A CN 2012101040810A CN 201210104081 A CN201210104081 A CN 201210104081A CN 102608797 A CN102608797 A CN 102608797A
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Abstract
The invention provides an alignment method for assembling a liquid crystal display device, which comprises providing a mark layer which comprises one or a plurality of mark areas, is made of a material with a specific wavelength and invisible to visible light beam; attaching the mark layer to a specific position of a liquid crystal module; and when a touch control panel and the liquid crystal module are assembled in an attached mode, using invisible light beam capable of displaying the mark layer to detect the one or the mark areas so as to determine alignment accuracy between the touch control panel and the liquid crystal module. The mark layer is attached to the specific position of the liquid crystal module. When the touch control panel and the liquid crystal module are assembled in the attached mode, whether the one or the mark areas are exposed is detected by means of ultraviolet-light light beam with the specific wavelength, whether a visible area of the touch control panel shades a display area of the liquid crystal module can be judged in real time, the problem that products which are unqualified in alignment enter a follow-up processing process is solved, double waste in resources and time is avoided, and the cost is reduced.
Description
Technical field
The present invention relates to liquid crystal display, the alignment methods when relating in particular to this liquid crystal display assembling.
Background technology
Current; In containing the liquid crystal display of contact panel; After avoiding the assembling of this contact panel and liquid crystal module to fit; Thereby the viewing area crested that causes liquid crystal module is departed from the applying position of contact panel, can visible area (View Area) size of contact panel be designed to be a bit larger tham the viewing area (Active Area) of liquid crystal module usually.Then, calibrate the applying position between contact panel and the liquid crystal module through assembled machine table with CCD contraposition mode or profile contraposition mode.
Yet; In the existing making technology, after contact panel and liquid crystal module are fitted, black matrix (the Black Matrix of both sides; BM) neither printing opacity; Thereby can't directly detect the visible area of contact panel and whether the viewing area of liquid crystal module keeps apart from allowance, even in follow-up lighting a lamp detects, could confirm this, but still can not block the inspection substandard product in real time apart from allowance.For example; Existing a kind of detection scheme is to be, contact panel and liquid crystal module are toasted earlier, printed circuit board (PCB) is bonding, process such as aging after assembled machine table is fitted; Then in the detection of lighting a lamp; Whether do not occur departing from or the viewing area crested owing to have real-time judge when fitting, thereby can cause the wasting of resources, cost rises.
In view of this; How to design a kind of liquid crystal display alignment methods in when assembling that is used for; Whether when contact panel and liquid crystal module are fitted assembling, just can detect the applying position immediately occurs departing from; To avoid substandard product to get into follow-up making technology, cause resource and temporal dual waste, be a problem needing to be resolved hurrily of person skilled in the industry.
Summary of the invention
In existing above-mentioned defective of when assembling, the invention provides a kind of alignment methods when being used for the liquid crystal display assembling to the liquid crystal display that contains contact panel in the prior art.
According to one aspect of the present invention, a kind of liquid crystal display alignment methods in when assembling that is used for is provided, this liquid crystal display comprises a contact panel and a liquid crystal module, wherein, this alignment methods comprises:
One mark layer is provided, and said mark layer comprises one or more marked regions, and said mark layer is processed by the material of specific wavelength, and is sightless to visible light beam;
Said mark layer is attached at the ad-hoc location of said liquid crystal module; And
When said contact panel and said liquid crystal module applying assembling, the invisible light beam that use can manifest mark layer detects said marked region, to confirm the alignment precision of said contact panel and said liquid crystal module.
Preferably, this mark layer is processed by ultraviolet light fluorescent powder.
Preferably, this invisible light beam is a ultraviolet light beam.
Preferably, the border of the viewing area of this mark layer and said liquid crystal module next-door neighbour is provided with.Further, when said contact panel after fitting with the ultraviolet light beam irradiation and said liquid crystal module, if at least one marked region of said mark layer is blocked, then alignment precision is undesirable.
Preferably, boundary interval one predeterminable range of the viewing area of this mark layer and said liquid crystal module.Further, when said contact panel after fitting with the purple light light beam irradiates and said liquid crystal module, if at least one marked region of said mark layer exposes, then alignment precision is undesirable.
Preferably, this marked region is " L " type, cross or linear pattern.
Preferably, the viewing area of this contact panel is greater than the viewing area of said liquid crystal module, and reservation one predeterminable range between said viewing area and the said viewing area.
Preferably, contact panel is an electric resistance touch-control panel or a capacitance type touch-control panel.
Adopt the liquid crystal display alignment methods in when assembling that is used for of the present invention; Mark layer is attached at the ad-hoc location of liquid crystal module; When contact panel and liquid crystal module applying assembling; Come the certification mark zone by specific wavelength light beam, thereby confirm the alignment precision of contact panel and liquid crystal module such as ultraviolet light.This mark layer is invisible for visible light beam, thereby does not influence the outward appearance of product.In addition, but whether the visible area of this alignment methods real-time judge contact panel covers the viewing area of liquid crystal module, avoids aiming at underproof product and gets into follow-up making technology, thereby also prevented resource and temporal dual waste, has practiced thrift cost.
Description of drawings
The reader with reference to advantages after the embodiment of the present invention, will become apparent various aspects of the present invention.Wherein,
Fig. 1 is illustrated in liquid crystal display, and separately visible area size and the position of viewing area size concerns synoptic diagram during the assembling of contact panel and liquid crystal module;
Fig. 2 illustrates according to an embodiment of the present invention, the FB(flow block) of the alignment methods when being used for the liquid crystal display assembling of Fig. 1;
Specific embodiment when Fig. 3 illustrates the alignment methods that adopts among Fig. 2 and assembles;
Another specific embodiment when Fig. 4 illustrates the alignment methods that adopts Fig. 2 and assembles;
When Fig. 5 illustrates contact panel and the liquid crystal module assembling among Fig. 3, the view after marked region detected; And
When Fig. 6 illustrates contact panel and the liquid crystal module assembling among Fig. 4, the view after marked region detected.
Embodiment
For technology contents that the application is disclosed is more detailed and complete, can be with reference to accompanying drawing and following various specific embodiments of the present invention, identical mark is represented same or analogous assembly in the accompanying drawing.Yet the embodiment that those of ordinary skill in the art should be appreciated that hereinafter to be provided is used for limiting the scope that the present invention is contained.In addition, accompanying drawing only is used for schematically explaining, does not draw according to its life size.
With reference to the accompanying drawings, the embodiment of various aspects of the present invention is done further to describe in detail.
Fig. 1 is illustrated in liquid crystal display, and separately visible area size and the position of viewing area size concerns synoptic diagram during the assembling of contact panel and liquid crystal module.
As previously mentioned; After avoiding the assembling of this contact panel and liquid crystal module to fit; Thereby the viewing area crested that causes liquid crystal module is departed from the applying position of contact panel, can visible area (View Area) size of contact panel be designed to be a bit larger tham the viewing area (Active Area) of liquid crystal module usually.Then, calibrate the applying position between contact panel and the liquid crystal module through assembled machine table with CCD contraposition mode or profile contraposition mode.The concrete Fig. 1 that combines; The visible area of contact panel 10 is of a size of W1, and the viewing area of liquid crystal module 20 is of a size of W2, when then the two is assembled; Through making W1 be slightly larger than W2; So that when applying offset precalculated position, by adjusting apart from allowance a, thereby the visible area that reaches contact panel 10 can not cover the effect of the viewing area of liquid crystal module 20.But in the prior art, visible area and both sides, viewing area are lighttight black matrix, when assembling, can not detect applying in real time and the situation that squints whether occur.
Fig. 2 illustrates according to an embodiment of the present invention, the FB(flow block) of the alignment methods when being used for the liquid crystal display assembling of Fig. 1.
With reference to Fig. 2, in alignment methods of the present invention, at first execution in step S41 provides a mark layer, and this mark layer comprises one or more marked regions, and this mark layer is processed by the material of specific wavelength, and is sightless to visible light beam.For example, this mark layer comprises 4 discrete marked regions, and each marked region is distributed in four corners of the viewing area of liquid crystal module.And for example, this mark layer comprises 4 discrete marked regions, and each marked region is distributed in the center of four edges of the viewing area of liquid crystal module.Then, in step S43, mark layer is attached at the ad-hoc location of liquid crystal module, at this, ad-hoc location can be such as position or other correct positions around the viewing area.
Then, in step S45, when contact panel and liquid crystal module applying assembling, the invisible light beam that use can manifest mark layer detects above-mentioned marked region, to confirm the alignment precision of contact panel and liquid crystal module.For example, mark layer is processed by ultraviolet light fluorescent powder.In one embodiment, when at least one marked region in these marked regions exposes, show that the applying assembling of contact panel and liquid crystal module is undesirable.In another embodiment, when at least one marked region in these marked regions is blocked, show that the applying assembling of contact panel and liquid crystal module is undesirable.
In one embodiment, marked region is " L " type, cross or linear pattern.Yet the present invention has more than and is confined to this.For example, in other some embodiment, marked region also can be set to other shapes or the pattern except that L type, cruciform and linear pattern.
In one embodiment, this contact panel is an electric resistance touch-control panel or a capacitance type touch-control panel.Correspondingly, this liquid crystal display is a resistance touch controlled type liquid crystal display or a capacitance touching control type liquid crystal display.
Specific embodiment when Fig. 3 illustrates the alignment methods that adopts among Fig. 2 and assembles.Side view when the vertical view of liquid crystal module 20 when Fig. 3 a is assembling, Fig. 3 b are liquid crystal module 20 and contact panel 10 assemblings.With reference to Fig. 3 a, in this embodiment, mark layer comprises 4 L phenotypic marker zones, is respectively the marked region 305 of the marked region 301 of upper left side, the marked region 303 of upper right side, left downside and the marked region 307 of lower right side.Can find out that from Fig. 3 a 4 marked regions of this of mark layer are separately positioned on four corners of the viewing area of liquid crystal module 20, that is, be provided with the border next-door neighbour of the viewing area of liquid crystal module 20.
When detecting the alignment precision of contact panel and liquid crystal module, with contact panel and liquid crystal module after the ultraviolet light beam irradiation applying, if at least one marked region (301,303,305 and 307) of mark layer is blocked, then alignment precision is undesirable.As shown in Figure 5, when all marked regions of mark layer during all complete exposing, alignment precision meets the requirements; When at least one marked region of mark layer was blocked, alignment precision was undesirable.
Another specific embodiment when Fig. 4 illustrates the alignment methods that adopts Fig. 2 and assembles.Side view when the vertical view of liquid crystal module 20 when Fig. 4 a is assembling, Fig. 4 b are liquid crystal module 20 and contact panel 10 assemblings.With reference to Fig. 4 a, in this embodiment, mark layer comprises 4 L phenotypic markers zone, is respectively the marked region 305 and the bottom-right marked region 307 of upper left marked region 301, top-right marked region 303, lower left.Different with Fig. 3 a is that in Fig. 4 a, the border of the viewing area of 4 marked regions of this of mark layer and liquid crystal module 20 is interval one predeterminable range all.Should be appreciated that when the position of marked region changes the detection method of its alignment precision is also slightly different.
More specifically, when detecting the alignment precision of contact panel and liquid crystal module, with contact panel and liquid crystal module after the ultraviolet light beam irradiation applying, if at least one marked region (301,303,305 and 307) of mark layer exposes, then alignment precision is undesirable.As shown in Figure 6, when all marked regions of mark layer were all covered, alignment precision met the requirements; When at least one marked region of mark layer had the situation of exposing, alignment precision was undesirable.
Alignment methods when adopting liquid crystal display of the present invention to assemble; Mark layer is attached at the ad-hoc location of liquid crystal module; When contact panel and liquid crystal module applying assembling; Come the certification mark zone by specific wavelength light beam, thereby confirm the alignment precision of contact panel and liquid crystal module such as ultraviolet light.This mark layer is invisible for visible light beam, thereby does not influence the outward appearance of product.In addition, but whether the visible area of this alignment methods real-time judge contact panel covers the viewing area of liquid crystal module, avoids aiming at underproof product and gets into follow-up making technology, thereby also prevented resource and temporal dual waste, has practiced thrift cost.
In the preceding text, illustrate and describe embodiment of the present invention.But those skilled in the art can understand, and under situation without departing from the spirit and scope of the present invention, can also specific embodiments of the invention do various changes and replacement.These changes and replacement all drop in claims of the present invention institute restricted portion.
Claims (10)
1. one kind is used for the liquid crystal display alignment methods in when assembling, and this liquid crystal display comprises a contact panel and a liquid crystal module, it is characterized in that, this alignment methods comprises:
One mark layer is provided, and said mark layer comprises one or more marked regions, and said mark layer is processed by the material of specific wavelength, and is sightless to visible light beam;
Said mark layer is attached at the ad-hoc location of said liquid crystal module; And
When said contact panel and said liquid crystal module applying assembling, the invisible light beam that use can manifest mark layer detects said marked region, to confirm the alignment precision of said contact panel and said liquid crystal module.
2. alignment methods according to claim 1 is characterized in that said mark layer is processed by ultraviolet light fluorescent powder.
3. alignment methods according to claim 2 is characterized in that, said invisible light beam is a ultraviolet light beam.
4. alignment methods according to claim 3 is characterized in that, the border next-door neighbour of the viewing area of said mark layer and said liquid crystal module is provided with.
5. alignment methods according to claim 4 is characterized in that, when said contact panel after fitting with the ultraviolet light beam irradiation and said liquid crystal module, if at least one marked region of said mark layer is blocked, then alignment precision is undesirable.
6. alignment methods according to claim 3 is characterized in that, boundary interval one predeterminable range of the viewing area of said mark layer and said liquid crystal module.
7. alignment methods according to claim 6 is characterized in that, when said contact panel after fitting with the purple light light beam irradiates and said liquid crystal module, if at least one marked region of said mark layer exposes, then alignment precision is undesirable.
8. according to any described alignment methods in the claim 1 to 7, it is characterized in that said marked region is " L " type, cross or linear pattern.
9. alignment methods according to claim 1 is characterized in that, the viewing area of said contact panel is greater than the viewing area of said liquid crystal module, and reservation one predeterminable range between said viewing area and the said viewing area.
10. alignment methods according to claim 1 is characterized in that, said contact panel is an electric resistance touch-control panel or a capacitance type touch-control panel.
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| CN2012101040810A CN102608797A (en) | 2012-04-09 | 2012-04-09 | Alignment method for assembling liquid crystal display device |
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| CN2012101040810A CN102608797A (en) | 2012-04-09 | 2012-04-09 | Alignment method for assembling liquid crystal display device |
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| CN103528513A (en) * | 2013-09-30 | 2014-01-22 | 上海大学 | OLED (organic light-emitting diode) glass substrate alignment method and OLED glass substrate alignment system |
| CN104992641A (en) * | 2015-08-10 | 2015-10-21 | 上海和辉光电有限公司 | Manufacturing technologies for display module |
| CN105511126A (en) * | 2016-01-21 | 2016-04-20 | 京东方科技集团股份有限公司 | Display panel and preparing method and testing method thereof |
| CN105652492A (en) * | 2015-12-25 | 2016-06-08 | 昆山国显光电有限公司 | Alignment method and system of FOG technology |
| CN105843436A (en) * | 2015-01-29 | 2016-08-10 | 政美应用股份有限公司 | Detection method and device for touch panel |
| WO2016173030A1 (en) * | 2015-04-30 | 2016-11-03 | 深圳市华星光电技术有限公司 | Detecting installation device for liquid crystal display panel |
| CN107808933A (en) * | 2017-10-31 | 2018-03-16 | 京东方科技集团股份有限公司 | A kind of method for making cover plate, cover plate and display device |
| WO2018149120A1 (en) * | 2017-02-15 | 2018-08-23 | 京东方科技集团股份有限公司 | Apparatus for identifying binding tag, and device for binding |
| CN109061916A (en) * | 2018-08-22 | 2018-12-21 | 深圳市华星光电技术有限公司 | A kind of liquid crystal display panel alignment detection apparatus and method |
| CN109166474A (en) * | 2018-10-10 | 2019-01-08 | 京东方科技集团股份有限公司 | A kind of display module and Anawgy accuracy detection method |
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- 2012-04-09 CN CN2012101040810A patent/CN102608797A/en active Pending
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| CN103528513A (en) * | 2013-09-30 | 2014-01-22 | 上海大学 | OLED (organic light-emitting diode) glass substrate alignment method and OLED glass substrate alignment system |
| CN103528513B (en) * | 2013-09-30 | 2016-08-17 | 上海大学 | OLED glass substrate alignment methods and device |
| CN105843436A (en) * | 2015-01-29 | 2016-08-10 | 政美应用股份有限公司 | Detection method and device for touch panel |
| WO2016173030A1 (en) * | 2015-04-30 | 2016-11-03 | 深圳市华星光电技术有限公司 | Detecting installation device for liquid crystal display panel |
| CN104992641A (en) * | 2015-08-10 | 2015-10-21 | 上海和辉光电有限公司 | Manufacturing technologies for display module |
| CN105652492A (en) * | 2015-12-25 | 2016-06-08 | 昆山国显光电有限公司 | Alignment method and system of FOG technology |
| CN105511126A (en) * | 2016-01-21 | 2016-04-20 | 京东方科技集团股份有限公司 | Display panel and preparing method and testing method thereof |
| CN105511126B (en) * | 2016-01-21 | 2018-11-13 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof and detection method |
| WO2018149120A1 (en) * | 2017-02-15 | 2018-08-23 | 京东方科技集团股份有限公司 | Apparatus for identifying binding tag, and device for binding |
| US10627660B2 (en) | 2017-02-15 | 2020-04-21 | Boe Technology Group Co., Ltd. | Apparatus for identifying a binding marker and device for binding |
| CN107808933A (en) * | 2017-10-31 | 2018-03-16 | 京东方科技集团股份有限公司 | A kind of method for making cover plate, cover plate and display device |
| CN107808933B (en) * | 2017-10-31 | 2020-03-10 | 京东方科技集团股份有限公司 | Method for manufacturing cover plate, cover plate and display device |
| CN109061916A (en) * | 2018-08-22 | 2018-12-21 | 深圳市华星光电技术有限公司 | A kind of liquid crystal display panel alignment detection apparatus and method |
| CN109166474A (en) * | 2018-10-10 | 2019-01-08 | 京东方科技集团股份有限公司 | A kind of display module and Anawgy accuracy detection method |
| US11073483B2 (en) | 2018-10-10 | 2021-07-27 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display device and bonding accuracy detection method |
| WO2021022956A1 (en) * | 2019-08-08 | 2021-02-11 | 深圳市洲明科技股份有限公司 | Display module position correction method and display screen |
| CN112599707A (en) * | 2020-12-15 | 2021-04-02 | 云谷（固安）科技有限公司 | Light-emitting module and display device |
| CN114093265A (en) * | 2021-11-25 | 2022-02-25 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN114093265B (en) * | 2021-11-25 | 2024-03-08 | 武汉华星光电半导体显示技术有限公司 | Display device |
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Application publication date: 20120725 |