CN103048828A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN103048828A CN103048828A CN 201210592956 CN201210592956A CN103048828A CN 103048828 A CN103048828 A CN 103048828A CN 201210592956 CN201210592956 CN 201210592956 CN 201210592956 A CN201210592956 A CN 201210592956A CN 103048828 A CN103048828 A CN 103048828A
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Abstract
The invention provides a liquid crystal display device. The liquid crystal display device comprises a first substrate, a second substrate and a sealant layer. The first substrate comprises a black matrix layer which is positioned on the lower surface of the first substrate; the second substrate is disposed opposite to the first substrate; and the sealant layer is disposed between the first substrate and the second substrate to adhere the first substrate and the second substrate through the curing of the sealant layer. The black matrix layer comprises a plurality of slits which are used for realizing diffraction transmission of external UV in the form of light waves to a light-shielding area below the black matrix layer, thereby improving the curing degree of the sealant layer. Through the control of the width of the slits on the black matrix layer or the size of the slit area, the liquid crystal display device is capable of changing the travelling direction of the incident UV so as to transmit the UV in the form of light waves to the light-shielding area below the black matrix layer, thereby improving the curing degree of the sealant layer.
Description
Technical field
The present invention relates to a kind of display device, relate in particular to a kind of liquid crystal display that improves the sealing glue solidifying degree.
Background technology
In the prior art, liquid crystal display comprises a colored filter substrate (color filter substrate) and array basal plate (array substrate), two substrates are oppositely arranged, one layer of liquid crystal molecule is set between CF substrate and array base palte, thereby realizes reliably bonding by the sealing glue solidifying on CF substrate and array base palte border.
For example, fluid sealant applied before colored filter substrate and array base palte are fixed together.Because the curing of fluid sealant need to use wavelength coverage to be the ultraviolet light of 350nm-360nm, be also referred to as UV(Ultraviolet, ultraviolet light) light, the initiating agent in the UV optical excitation fluid sealant after the incident, cause to cause the reaction of wherein solidifying, thereby form sealing.But, array base palte comprises a plurality of metal areas, each metal area has data line and the gate line of thin film transistor (TFT), they extend to driving circuit from the seal area that is used for connecting, like this can be with a part of fluid sealant crested of metal area below, UV light can't penetrate and incide these fluid sealant zones, causes the halfway problem of sealing glue solidifying.In addition, for being devoted to the narrow frame design of liquid crystal display, often at the light shielding part configuration driven device of array base palte (such as thin film transistor base plate), because the existence of driver, also can make UV light arrive comparatively difficulty of fluid sealant integral body, thereby also residual uncured fluid sealant probably, affect the bonding firmness between substrate.
In view of this, how designing a kind of liquid crystal display that improves the sealing glue solidifying degree, is a problem needing to be resolved hurrily of person skilled in the industry.
Summary of the invention
Thereby existing defects when utilizing UV light to solidify fluid sealant for liquid crystal display of the prior art the invention provides a kind of liquid crystal display of novelty.
According to one aspect of the present invention, a kind of liquid crystal display is provided, comprising:
One first substrate comprises a black matrix layer, and described black matrix layer is positioned at the lower surface of described first substrate;
One second substrate is oppositely arranged with described first substrate; And
One sealant layer is arranged between described first substrate and the described second substrate, by the next bonding described first substrate of curing and the described second substrate of described sealant layer,
Wherein, described black matrix layer comprises a plurality of slits, and described liquid crystal display conducts to the ultraviolet light of outside the lightproof area of described black matrix layer below, to improve the state of cure of described sealant layer by described slit with the form diffraction of light wave.
Preferably, the slit of this black matrix layer is a strip, and the width of this strip slit is less than 400 nanometers.
Preferably, the slit of this black matrix layer is a rectangle, and the region area of described rectangle is less than 400 nanometers * 400 nanometers.
Preferably, the slit of this black matrix layer is a circle, and the diameter of described circle is less than 400 nanometers.
Preferably, this first substrate is a colored filter substrate, and described second substrate is array basal plate.
According to another aspect of the present invention, a kind of liquid crystal display is provided, comprising:
One first substrate;
One second substrate is oppositely arranged with described first substrate, and this second substrate comprises a metal routing layer, and described metal routing layer is positioned at the upper surface of described second substrate; And
One sealant layer is arranged between described first substrate and the described second substrate, by the next bonding described first substrate of curing and the described second substrate of described sealant layer,
Wherein, described metal routing layer comprises a plurality of slits, and described liquid crystal display conducts to the ultraviolet light of outside the lightproof area of described metal routing layer below, to improve the state of cure of described sealant layer by described slit with the form diffraction of light wave.
Preferably, the slit of this metal routing layer is a strip, and the width of this strip slit is less than 400 nanometers.
Preferably, the slit of this metal routing layer is a rectangle, and the region area of described rectangle is less than 400 nanometers * 400 nanometers.
Preferably, the slit of this metal routing layer is a circle, and the diameter of described circle is less than 400 nanometers.
Preferably, this first substrate also comprises a black matrix layer, and described black matrix layer is positioned at described first substrate near the surface of described sealant layer.
Adopt liquid crystal display of the present invention, in the black matrix layer such as the first substrate of colored filter substrate a plurality of slits are set, by width or the area size of controlling these slits, this liquid crystal display conducts to the ultraviolet light of outside the lightproof area of black matrix layer below with the form diffraction of light wave by these slits, thus the state of cure of raising sealant layer.In addition, liquid crystal display of the present invention also can arrange a plurality of slits at the metal routing layer such as the second substrate of array base palte, by width or the area size of controlling these slits, this liquid crystal display conducts to the ultraviolet light of outside the lightproof area of metal routing layer below by these slits with the form diffraction of light wave, thereby improves the state of cure of sealant layer.
Description of drawings
The reader will become apparent various aspects of the present invention after the reference accompanying drawing has been read the specific embodiment of the present invention.Wherein,
Fig. 1 illustrates the principle schematic that liquid crystal display of the prior art adopts UV light that fluid sealant is cured;
Fig. 2 illustrates the structural representation according to the liquid crystal display of one embodiment of the present invention;
Fig. 3 (a) ~ Fig. 3 (c) illustrates respectively the different shape of slit schematic diagram in the black matrix layer of the liquid crystal display among Fig. 2;
Fig. 4 illustrates the structural representation according to the liquid crystal display of another embodiment of the present invention; And
Fig. 5 (a) ~ Fig. 5 (c) illustrates respectively the different shape of slit schematic diagram in the metal routing layer of the liquid crystal display among Fig. 4.
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 represents same or analogous assembly in the accompanying drawing.Yet those of ordinary skill in the art should be appreciated that the embodiment that hereinafter provides limits the scope that the present invention is contained.In addition, accompanying drawing only is used for schematically being illustrated, and does not draw according to its life size.
With reference to the accompanying drawings, the embodiment of various aspects of the present invention is described in further detail.
Fig. 1 illustrates the principle schematic that liquid crystal display of the prior art adopts UV light that fluid sealant is cured.
With reference to Fig. 1, this liquid crystal display comprises array basal plate 101 and a colored filter glass substrate 201, and array base palte 101 is oppositely arranged with colored filter glass substrate 201.At the borderline region of liquid crystal display, be provided with sealant layer 30 between array base palte 101 and the colored filter glass substrate 201, by the curing of sealant layer 30 above-mentioned two substrates is bonded together reliably.
In array base palte 101 1 sides, also comprise a plurality of metal areas 103, for example, gate line and the data line of the corresponding thin film transistor (TFT) of each metal area.In colored filter glass substrate 201 1 sides, also comprise a black matrix layer (Black Matrix, BM) 203.By as can be known aforementioned, it is the ultraviolet light (being also referred to as UV light) of 350nm-360nm that wavelength coverage is adopted in the curing of sealant layer 30 usually, and the initiating agent in the UV optical excitation sealant layer 30 after the incident causes to cause the reaction of wherein solidifying, thereby forms sealing.As shown in Figure 1, when UV irradiation array base palte 101 and colored filter glass substrate 201, because colored filter glass substrate 201 1 sides have black matrix layer 203, outside UV light can't import sealant layer 30 through deceiving matrix layer 203.In addition, a plurality of metal areas on the array base palte 101 cover a part of zone of the sealant layer 30 of its below, cause UV light can not penetrate and incide the fluid sealant zone of these cresteds, cause sealing glue solidifying not thorough, affect the bonding fastness between substrate.
Fig. 2 illustrates the structural representation according to the liquid crystal display of one embodiment of the present invention.Fig. 3 (a) ~ Fig. 3 (c) illustrates respectively the different shape of slit schematic diagram in the black matrix layer of the liquid crystal display among Fig. 2.
With reference to Fig. 2, in this embodiment, liquid crystal display of the present invention comprises a first substrate 401, a second substrate 501 and a sealant layer 60.Wherein, first substrate 401 comprises a black matrix layer 403.The lower surface that should black matrix layer 403 be positioned at first substrate 401, that is, this black matrix layer 403 be positioned on the first substrate 401 on the surface of second substrate 501.Second substrate 501 is oppositely arranged with first substrate 401.Sealant layer 60 is arranged between first substrate 401 and the second substrate 501.This liquid crystal display comes bonding first substrate 401 and second substrate 501 by the curing of sealant layer 60.
It needs to be noted, black matrix layer 403 comprises a plurality of slit slit1.For example, black matrix layer 403 comprises a plurality of black matrix spaced apart.Between two black matrixes of arbitrary neighborhood, one slit slit1 is set, the ultraviolet light of outside incident is conducted to the inside of the corresponding sealant layer 60 of lightproof area of black matrix layer 403 belows by this slit slit1 with the form diffraction of light wave, make more fluid sealant be subject to the irradiation of ultraviolet light, and then improve the state of cure of sealant layer 60.
In one embodiment, the first substrate 401 of this liquid crystal display is a colored filter substrate (color filter substrate), and second substrate 501 is array basal plate (array substrate).Yet the present invention has more than and is confined to this.For example, in other some embodiment, first substrate 401 can be a glass cover-plate (cover glass), and second substrate 501 is array basal plate.
From the above, when the ultraviolet light of outside arrives the slit slit1 of black matrix layer 403 via first substrate 401, in order to make ultraviolet light conduct to the inside of the corresponding sealant layer 60 of lightproof area below the black matrix layer 403 with the form diffraction of light wave after passing slit slit1, the size of slit slit1 must satisfy certain requirement.Otherwise, if slit slit1's is oversize, can't change direct of travel when then ultraviolet light passes slit, can't realize that also diffraction conducts to solidify the effect of the fluid sealant of lightproof area.
With reference to Fig. 3 (a), the slit slit1 of black matrix layer 403 is a strip.For example, slit slit1 is between adjacent two black matrix B M1 and BM2, and any two slits are parallel to each other.And the width of this strip slit is less than 400 nanometers (nm).
With reference to Fig. 3 (b), the slit slit1 of black matrix layer 403 is a rectangle.For example, rectangular slot REC1 is distributed on the black matrix layer 403 in the mode of array.And the region area of rectangle is less than 400 nanometers * 400 nanometers.In one embodiment, the length of rectangle is 300 nanometers, and the width of rectangle is 500 nanometers.In another embodiment, the length of rectangle is 350 nanometers, and the width of rectangle also is 350 nanometers, that is rectangular slot REC1 can be square.
With reference to Fig. 3 (c), the slit slit1 of black matrix layer 403 is a circle.For example, rounded slot CIR1 is distributed on the black matrix layer 403 evenly and at intervals.And the diameter d of rounded slot CIR1 is less than 400 nanometers.
By the embodiment of Fig. 2 and Fig. 3 (a) ~ Fig. 3 (d) as can be known, in the black matrix layer 403 such as the first substrate 401 of colored filter substrate a plurality of slit slit1 are set, by controlling width or the area size of these slits slit1, liquid crystal display of the present invention conducts to the ultraviolet light of outside the lightproof area of black matrix layer 403 belows by these slits with the form diffraction of light wave, thereby improves the state of cure of sealant layer.
Fig. 4 illustrates the structural representation according to the liquid crystal display of another embodiment of the present invention.Fig. 5 (a) ~ Fig. 5 (c) illustrates respectively the different shape of slit schematic diagram in the metal routing layer of the liquid crystal display among Fig. 4.
With reference to Fig. 4, in this embodiment, liquid crystal display of the present invention comprises a first substrate 401, a second substrate 501 and a sealant layer 60.Wherein, second substrate 501 is oppositely arranged with first substrate 401.This second substrate 501 comprises a metal routing layer 503, and this metal routing layer 503 is positioned at the upper surface of second substrate 501, that is, this metal routing layer 503 be positioned on the second substrate 501 on the surface of first substrate 401.The surface that should be appreciated that metal routing layer 503 and second substrate in the space upper or lower be relative, for example, when first substrate 401 was positioned at the below of second substrate 501, metal routing layer 503 was positioned at the lower surface of second substrate 501.And for example, when first substrate 401 was positioned at the top of second substrate 501, metal routing layer 503 was positioned at the upper surface of second substrate 501.Sealant layer 60 is arranged between first substrate 401 and the second substrate 501.This liquid crystal display comes bonding first substrate 401 and second substrate 501 by the curing of sealant layer 60.
It needs to be noted, metal routing layer 503 comprises a plurality of slits.For example, metal routing layer 503 comprises many strip metals cabling.Between two strip metal cablings of arbitrary neighborhood, one slit is set, the ultraviolet light of outside incident is conducted to the inside of the corresponding sealant layer 60 of lightproof area of metal routing layer 503 below by this slit with the form diffraction of light wave, make more fluid sealant be subject to the irradiation of ultraviolet light, and then improve the state of cure of sealant layer 60.
Be similar to Fig. 3 (a) ~ Fig. 3 (d), the slit in the metal routing layer 503 can be set to different shapes.In one embodiment, slit is between adjacent two strip metal cabling M1 and M2, and any two slits are parallel to each other.And the width of this strip slit is less than 400 nanometers (nm), shown in Fig. 5 (a).
In another embodiment, the slit of metal routing layer 503 is a rectangle.For example, rectangular slot REC2 is distributed on the metal routing layer 503 in the mode of array.And the region area of rectangle is less than 400 nanometers * 400 nanometers, shown in Fig. 5 (b).
In another embodiment, the slit of metal routing layer 503 is a circle.And the diameter d of rounded slot CIR2 is less than 400 nanometers, shown in Fig. 5 (c).
In addition, this first substrate 401 also comprises a black matrix layer 405, and this black matrix layer 405 is positioned at first substrate 401 near the surface of sealant layer 60.
Adopt liquid crystal display of the present invention, in the black matrix layer such as the first substrate of colored filter substrate a plurality of slits are set, by width or the area size of controlling these slits, this liquid crystal display conducts to the ultraviolet light of outside the lightproof area of black matrix layer below with the form diffraction of light wave by these slits, thus the state of cure of raising sealant layer.In addition, liquid crystal display of the present invention also can arrange a plurality of slits at the metal routing layer such as the second substrate of array base palte, by width or the area size of controlling these slits, this liquid crystal display conducts to the ultraviolet light of outside the lightproof area of metal routing layer below by these slits with the form diffraction of light wave, thereby improves the state of cure of sealant layer.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, in the situation that without departing from the spirit and scope of the present invention, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replacement all drop in claims limited range of the present invention.
Claims (10)
1. a liquid crystal display is characterized in that, described liquid crystal display comprises:
One first substrate comprises a black matrix layer, and described black matrix layer is positioned at the lower surface of described first substrate;
One second substrate is oppositely arranged with described first substrate; And
One sealant layer is arranged between described first substrate and the described second substrate, by the next bonding described first substrate of curing and the described second substrate of described sealant layer,
Wherein, described black matrix layer comprises a plurality of slits, and described liquid crystal display conducts to the ultraviolet light of outside the lightproof area of described black matrix layer below, to improve the state of cure of described sealant layer by described slit with the form diffraction of light wave.
2. liquid crystal display according to claim 1 is characterized in that, the slit of described black matrix layer is a strip, and the width of this strip slit is less than 400 nanometers.
3. liquid crystal display according to claim 1 is characterized in that, the slit of described black matrix layer is a rectangle, and the region area of described rectangle is less than 400 nanometers * 400 nanometers.
4. liquid crystal display according to claim 1 is characterized in that, the slit of described black matrix layer is a circle, and the diameter of described circle is less than 400 nanometers.
5. liquid crystal display according to claim 1 is characterized in that, described first substrate is a colored filter substrate, and described second substrate is array basal plate.
6. a liquid crystal display is characterized in that, described liquid crystal display comprises:
One first substrate;
One second substrate is oppositely arranged with described first substrate, and this second substrate comprises a metal routing layer, and described metal routing layer is positioned at the upper surface of described second substrate; And
One sealant layer is arranged between described first substrate and the described second substrate, by the next bonding described first substrate of curing and the described second substrate of described sealant layer,
Wherein, described metal routing layer comprises a plurality of slits, and described liquid crystal display conducts to the ultraviolet light of outside the lightproof area of described metal routing layer below, to improve the state of cure of described sealant layer by described slit with the form diffraction of light wave.
7. liquid crystal display according to claim 6 is characterized in that, the slit of this metal routing layer is a strip, and the width of this strip slit is less than 400 nanometers.
8. liquid crystal display according to claim 6 is characterized in that, the slit of described metal routing layer is a rectangle, and the region area of described rectangle is less than 400 nanometers * 400 nanometers.
9. liquid crystal display according to claim 6 is characterized in that, the slit of described metal routing layer is a circle, and the diameter of described circle is less than 400 nanometers.
10. liquid crystal display according to claim 6 is characterized in that, described first substrate also comprises a black matrix layer, and described black matrix layer is positioned at described first substrate near the surface of described sealant layer.
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| CN 201210592956 CN103048828A (en) | 2012-12-31 | 2012-12-31 | Liquid crystal display device |
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| CN 201210592956 CN103048828A (en) | 2012-12-31 | 2012-12-31 | Liquid crystal display device |
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| CN105116629A (en) * | 2015-09-16 | 2015-12-02 | 京东方科技集团股份有限公司 | Frame sealing glue combination, display panel, preparation method of display panel and display device |
| CN105739165A (en) * | 2016-04-05 | 2016-07-06 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and box forming method thereof |
| CN106019728A (en) * | 2016-07-29 | 2016-10-12 | 京东方科技集团股份有限公司 | Display substrate, display panel and preparation method thereof and display device |
| CN106292077A (en) * | 2015-06-25 | 2017-01-04 | 乐金显示有限公司 | Liquid crystal display |
| CN107357092A (en) * | 2017-07-25 | 2017-11-17 | 深圳市华星光电技术有限公司 | A kind of display panel and its manufacture method |
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| CN108364962A (en) * | 2018-03-07 | 2018-08-03 | 京东方科技集团股份有限公司 | A kind of array substrate, display panel and its packaging method |
| CN108519699A (en) * | 2018-04-03 | 2018-09-11 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof, liquid crystal display |
| CN110675756A (en) * | 2019-10-14 | 2020-01-10 | 业成科技（成都）有限公司 | Panel module, manufacturing method thereof and touch device |
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| CN106292077A (en) * | 2015-06-25 | 2017-01-04 | 乐金显示有限公司 | Liquid crystal display |
| CN106292077B (en) * | 2015-06-25 | 2019-12-03 | 乐金显示有限公司 | Liquid crystal display |
| US10437117B2 (en) | 2015-06-25 | 2019-10-08 | Lg Display Co., Ltd. | Liquid-crystal display device |
| WO2017045361A1 (en) * | 2015-09-16 | 2017-03-23 | 京东方科技集团股份有限公司 | Sealant composition, display panel and preparation method therefor, and display apparatus |
| CN105116629A (en) * | 2015-09-16 | 2015-12-02 | 京东方科技集团股份有限公司 | Frame sealing glue combination, display panel, preparation method of display panel and display device |
| US10324326B2 (en) | 2016-04-05 | 2019-06-18 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and cell method thereof |
| US20180149910A1 (en) * | 2016-04-05 | 2018-05-31 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and cell method thereof |
| CN105739165A (en) * | 2016-04-05 | 2016-07-06 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and box forming method thereof |
| CN106019728A (en) * | 2016-07-29 | 2016-10-12 | 京东方科技集团股份有限公司 | Display substrate, display panel and preparation method thereof and display device |
| CN107357092A (en) * | 2017-07-25 | 2017-11-17 | 深圳市华星光电技术有限公司 | A kind of display panel and its manufacture method |
| CN107664889A (en) * | 2017-09-14 | 2018-02-06 | 深圳市华星光电半导体显示技术有限公司 | A kind of electrostatic discharge protective circuit of TFT devices and liquid crystal display panel |
| CN107664889B (en) * | 2017-09-14 | 2020-05-22 | 深圳市华星光电半导体显示技术有限公司 | Electrostatic protection circuit of TFT device and liquid crystal display panel |
| CN108364962A (en) * | 2018-03-07 | 2018-08-03 | 京东方科技集团股份有限公司 | A kind of array substrate, display panel and its packaging method |
| CN108519699A (en) * | 2018-04-03 | 2018-09-11 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof, liquid crystal display |
| CN110675756A (en) * | 2019-10-14 | 2020-01-10 | 业成科技（成都）有限公司 | Panel module, manufacturing method thereof and touch device |
| CN111338137A (en) * | 2020-04-14 | 2020-06-26 | Tcl华星光电技术有限公司 | Display panel and manufacturing method thereof |
| CN111338137B (en) * | 2020-04-14 | 2022-02-22 | Tcl华星光电技术有限公司 | Display panel and manufacturing method thereof |
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Application publication date: 20130417 |