CN104122708A - Liquid crystal display module and manufacturing method thereof - Google Patents
Liquid crystal display module and manufacturing method thereof Download PDFInfo
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- CN104122708A CN104122708A CN201410398396.XA CN201410398396A CN104122708A CN 104122708 A CN104122708 A CN 104122708A CN 201410398396 A CN201410398396 A CN 201410398396A CN 104122708 A CN104122708 A CN 104122708A
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- maximum transmission
- transmission region
- color filter
- liquid crystal
- crystal display
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Abstract
The invention provides a liquid crystal display module and a manufacturing method thereof. The liquid crystal display module comprises a first substrate, a second substrate, a liquid crystal layer arranged between the first substrate and the second substrate, an optical filter located between the first substrate and the liquid crystal layer, and a backlight source on the light input side of the optical filter. The wave crest of light emitted by the backlight source is located in the largest light-transmitting area, determined by the light-transmitting frequency spectrum curve of the optical filter, of the optical filter, and therefore the transmittance of the optical filter and the brightness of the liquid crystal display module can be improved through mutual matching of the backlight source and the optical filter and on the basis of guaranteeing the display effect of the liquid crystal display module.
Description
Technical field
The present invention relates to display technique field, more particularly, relate to a kind of liquid crystal display module and preparation method thereof.
Background technology
Along with the future development of liquid crystal display to large scale, ultra-thin, high brightness, people are more and more higher to the requirement of liquid crystal display module, and the market competition of liquid crystal display device is also more and more fierce.
Along with the size of liquid crystal display module is increasing, the density of pixel cell is also more and more higher, the transmittance of liquid crystal display module is also just more and more lower, thereby cause the brightness of liquid crystal display module more and more lower, therefore, how to improve the brightness of liquid crystal display module, become one of current researchist's problem demanding prompt solution.
Summary of the invention
The invention provides a kind of liquid crystal display module and preparation method thereof, to improve the brightness of liquid crystal display module, solve the poor problem of liquid crystal display module display effect in prior art.
For achieving the above object, the invention provides following technical scheme:
A liquid crystal display module, comprises first substrate, second substrate and the liquid crystal layer between described first substrate and second substrate, also comprises:
Optical filter between described first substrate and liquid crystal layer;
Be positioned at the backlight of the light inlet side of described optical filter, the crest of the light that described backlight sends is positioned at the maximum transmission region of described optical filter, and described maximum transmission region is to determine according to the printing opacity spectrum curve of described optical filter.
Preferably, described optical filter comprises Red lightscreening plate, blue color filter and green color filter.
Preferably, the light that described backlight sends comprises ruddiness, blue light and green glow, wherein, the crest of described ruddiness is positioned at the maximum transmission region of described Red lightscreening plate, the crest of described blue light is positioned at the maximum transmission region of described blue color filter, and the crest of described green glow is positioned at the maximum transmission region of described green color filter.
Preferably, the maximum transmission region of described Red lightscreening plate is, the equal zero lap in maximum transmission region of the maximum transmission region of described blue color filter and described green color filter.
Preferably, the maximum transmission region of described Red lightscreening plate is the light that transmission peak wavelength is greater than 610nm, the maximum transmission region of described blue color filter is the light of transmission peak wavelength between 450nm~470nm, and the maximum transmission region of described green color filter is the light of transmission peak wavelength between 510nm~550nm.
Preferably, described backlight is LED light source.
Preferably, described LED light source comprises blue chip and yellow fluorescent powder, and the peak wavelength of the blue light that described blue chip sends is 446nm, and the wavelength coverage of described yellow fluorescent powder is 542nm~553nm.
A method for making for liquid crystal display module, comprising:
Obtain the printing opacity spectrum curve of the optical filter in liquid crystal display module;
According to described printing opacity spectrum curve, obtain the maximum transmission region of described optical filter;
According to described maximum transmission region, select backlight, so that the crest of the light that described backlight sends is positioned at described maximum transmission region.
Preferably, when described optical filter comprises Red lightscreening plate, blue color filter and green color filter, the described process that obtains the maximum transmission region of described optical filter according to described printing opacity spectrum curve comprises:
Obtain respectively the printing opacity spectrum curve of described Red lightscreening plate, blue color filter and green color filter, according to described printing opacity spectrum curve, obtain the maximum transmission region of corresponding Red lightscreening plate, blue color filter and green color filter.
Preferably, the described process according to described maximum transmission region selection backlight comprises:
According to the maximum transmission region of described Red lightscreening plate, blue color filter and green color filter, select backlight, so that the crest of the ruddiness that described backlight sends is positioned at the maximum transmission region of described Red lightscreening plate, the crest of the blue light that described backlight sends is positioned at the maximum transmission region of described blue color filter, and the crest of the green glow that described backlight sends is positioned at the maximum transmission region of described green color filter.
Compared with prior art, technical scheme provided by the present invention at least has the following advantages:
Liquid crystal display module provided by the present invention and preparation method thereof, according to the printing opacity spectrum curve of optical filter, obtain the maximum transmission region of this optical filter, and select suitable backlight according to maximum transmission region, so that the crest of the light that backlight sends is positioned at the maximum transmission region of described optical filter, thereby can be by the mutual coupling of backlight and optical filter, on the basis of display effect that guarantees liquid crystal display module, the transmitance of optical filter and the brightness of liquid crystal display module have been improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the liquid crystal display module that Fig. 1 provides for the embodiment of the present invention one;
The method for making process flow diagram of the liquid crystal display module that Fig. 2 provides for the embodiment of the present invention two.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
A lot of details have been set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that, so the present invention is not subject to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with schematic diagram, when the embodiment of the present invention is described in detail in detail; for ease of explanation; the sectional view of indication device structure can be disobeyed general ratio and be done local amplification, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.
Embodiment mono-
The present embodiment provides a kind of liquid crystal display module, as shown in Figure 1, comprise first substrate 1, second substrate 2 and the liquid crystal layer 3 between first substrate 1 and second substrate 2, also comprise the optical filter 4 between first substrate 1 and liquid crystal layer 3 and the backlight 5 that is positioned at the light inlet side of optical filter 4, the crest of the light that this backlight 5 sends is positioned at the maximum transmission region of optical filter 4, and the maximum transmission region of this optical filter 4 is determined according to its printing opacity frequency spectrum.
Because adopting the principle of three primary colours, existing liquid crystal display module carrys out composograph, therefore, optical filter 4 in the present embodiment comprises Red lightscreening plate 40, blue color filter 41 and green color filter 42, the light that backlight 5 sends comprises ruddiness, blue light and green glow, wherein, the crest of described ruddiness is positioned at the maximum transmission region of described Red lightscreening plate 40, the crest of described blue light is positioned at the maximum transmission region of described blue color filter 41, and the crest of described green glow is positioned at the maximum transmission region of described green color filter 42.
The crest of the light sending due to light source lays respectively in the maximum transmission region of corresponding optical filter, and therefore, the transmitance of optical filter is maximum, and it is best that the brightness of liquid crystal display module also can reach.Further, in order to make the color saturation of the image that liquid crystal display module shows better, ruddiness, blue light and green glow are relative purer, can not adulterating, other are variegated, therefore, the crest of ruddiness, blue light and green glow will stagger as far as possible, and the maximum transmission region of Red lightscreening plate is, the equal zero lap in maximum transmission region of the maximum transmission region of blue color filter and green color filter.
Preferably, the maximum transmission region of Red lightscreening plate 40 is the light that transmission peak wavelength is greater than 610nm, the maximum transmission region of blue color filter 41 is the light of transmission peak wavelength between 450nm~470nm, and the maximum transmission region of green color filter 42 is the light of transmission peak wavelength between 510nm~550nm.Based on this, backlight 5 is preferably LED (Light Emitting Diode, light emitting diode) light source, and this LED light source comprises the yellow fluorescent powder that blue chip that the peak wavelength of the blue light sending is 446nm and wavelength coverage are 542nm~553nm.
The peak wavelength that blue chip sends is the yellow fluorescent powder that the blue-light excited wavelength coverage of 446nm is 542nm~553nm, sends ruddiness, blue light and green glow in the maximum transmission region that lays respectively at Red lightscreening plate, blue color filter and green color filter.And due to these maximum transmission region zero laps, therefore, liquid crystal display module not only has better brightness, also has better color saturation.
The liquid crystal display module that the present embodiment provides, according to the printing opacity spectrum curve of optical filter, obtain the maximum transmission region of this optical filter, and select suitable backlight according to maximum transmission region, so that the crest of the light that backlight sends is positioned at the maximum transmission region of described optical filter, thereby by the mutual coupling of backlight and optical filter, on the basis of display effect that guarantees liquid crystal display module, the transmitance of optical filter and the brightness of liquid crystal display module have been improved.
And, the liquid crystal display module that the present embodiment provides, the equal zero lap in maximum transmission region of the maximum transmission region of Red lightscreening plate, the maximum transmission region of blue color filter and green color filter, therefore, improving on the basis of liquid crystal display module brightness, can also improve the color saturation of liquid crystal display module.
Embodiment bis-
The present embodiment provides a kind of method for making of liquid crystal display module, and its process flow diagram as shown in Figure 2, comprising:
S201: the printing opacity spectrum curve that obtains the optical filter in liquid crystal display module;
In liquid crystal display module, optical filter comprises Red lightscreening plate, blue color filter and green color filter, therefore, need to obtain respectively the printing opacity spectrum curve of these three kinds of optical filters.
S202: the maximum transmission region that obtains described optical filter according to described printing opacity spectrum curve;
After obtaining three kinds of printing opacity spectrum curves of these three kinds of optical filters, according to these three kinds of printing opacity spectrum curves, obtain the maximum transmission region of corresponding optical filter.When described optical filter comprises Red lightscreening plate, blue color filter and green color filter, obtain the printing opacity spectrum curve of optical filter, the process that obtains the maximum transmission region of described optical filter according to described printing opacity spectrum curve comprises: obtain respectively the printing opacity spectrum curve of described Red lightscreening plate, blue color filter and green color filter, obtain the maximum transmission region of corresponding Red lightscreening plate, blue color filter and green color filter according to described printing opacity spectrum curve.
Particularly, the maximum transmission region of Red lightscreening plate 40 is the light that transmission peak wavelength is greater than 610nm, the maximum transmission region of blue color filter 41 is the light of transmission peak wavelength between 450nm~470nm, and the maximum transmission region of green color filter 42 is the light of transmission peak wavelength between 510nm~550nm.
S203: select backlight according to described maximum transmission region, so that the crest of the light that described backlight sends is positioned at described maximum transmission region.
The described process according to described maximum transmission region selection backlight comprises: according to the maximum transmission region of described Red lightscreening plate, blue color filter and green color filter, select backlight, so that the crest of the ruddiness that described backlight sends is positioned at the maximum transmission region of described Red lightscreening plate, the crest of the blue light that described backlight sends is positioned at the maximum transmission region of described blue color filter, and the crest of the green glow that described backlight sends is positioned at the maximum transmission region of described green color filter.
In the present embodiment, the backlight of selection is LED light source, and this LED light source comprises the yellow fluorescent powder that blue chip that the peak wavelength of the blue light sending is 446nm and wavelength coverage are 542nm~553nm.
The method for making of the liquid crystal display module that the present embodiment provides, according to the printing opacity spectrum curve of optical filter, obtain the maximum transmission region of this optical filter, and select suitable backlight according to maximum transmission region, so that the crest of the light that backlight sends is positioned at the maximum transmission region of described optical filter, thereby by the mutual coupling of backlight and optical filter, on the basis of display effect that guarantees liquid crystal display module, the transmitance of optical filter and the brightness of liquid crystal display module have been improved.
And, the method for making of the liquid crystal display module that the present embodiment provides, the equal zero lap in maximum transmission region of the maximum transmission region of Red lightscreening plate, the maximum transmission region of blue color filter and green color filter, therefore, improving on the basis of liquid crystal display module brightness, can also improve the color saturation of liquid crystal display module.
Although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention.Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (10)
1. a liquid crystal display module, comprises first substrate, second substrate and the liquid crystal layer between described first substrate and second substrate, it is characterized in that, also comprises:
Optical filter between described first substrate and liquid crystal layer;
Be positioned at the backlight of the light inlet side of described optical filter, the crest of the light that described backlight sends is positioned at the maximum transmission region of described optical filter, and described maximum transmission region is to determine according to the printing opacity spectrum curve of described optical filter.
2. liquid crystal display module according to claim 1, is characterized in that, described optical filter comprises Red lightscreening plate, blue color filter and green color filter.
3. liquid crystal display module according to claim 2, it is characterized in that, the light that described backlight sends comprises ruddiness, blue light and green glow, wherein, the crest of described ruddiness is positioned at the maximum transmission region of described Red lightscreening plate, the crest of described blue light is positioned at the maximum transmission region of described blue color filter, and the crest of described green glow is positioned at the maximum transmission region of described green color filter.
4. liquid crystal display module according to claim 3, is characterized in that, the equal zero lap in maximum transmission region of the maximum transmission region of the maximum transmission region of described Red lightscreening plate, described blue color filter and described green color filter.
5. liquid crystal display module according to claim 4, it is characterized in that, the maximum transmission region of described Red lightscreening plate is the light that transmission peak wavelength is greater than 610nm, the maximum transmission region of described blue color filter is the light of transmission peak wavelength between 450nm~470nm, and the maximum transmission region of described green color filter is the light of transmission peak wavelength between 510nm~550nm.
6. liquid crystal display module according to claim 5, is characterized in that, described backlight is LED light source.
7. liquid crystal display module according to claim 6, it is characterized in that, described LED light source comprises blue chip and yellow fluorescent powder, and the peak wavelength of the blue light that described blue chip sends is 446nm, and the wavelength coverage of described yellow fluorescent powder is 542nm~553nm.
8. a method for making for liquid crystal display module, is characterized in that, comprising:
Obtain the printing opacity spectrum curve of the optical filter in liquid crystal display module;
According to described printing opacity spectrum curve, obtain the maximum transmission region of described optical filter;
According to described maximum transmission region, select backlight, so that the crest of the light that described backlight sends is positioned at described maximum transmission region.
9. method according to claim 8, is characterized in that, when described optical filter comprises Red lightscreening plate, blue color filter and green color filter, the described process that obtains the maximum transmission region of described optical filter according to described printing opacity spectrum curve comprises:
Obtain respectively the printing opacity spectrum curve of described Red lightscreening plate, blue color filter and green color filter, according to described printing opacity spectrum curve, obtain the maximum transmission region of corresponding Red lightscreening plate, blue color filter and green color filter.
10. method according to claim 9, is characterized in that, the described process according to described maximum transmission region selection backlight comprises:
According to the maximum transmission region of described Red lightscreening plate, blue color filter and green color filter, select backlight, so that the crest of the ruddiness that described backlight sends is positioned at the maximum transmission region of described Red lightscreening plate, the crest of the blue light that described backlight sends is positioned at the maximum transmission region of described blue color filter, and the crest of the green glow that described backlight sends is positioned at the maximum transmission region of described green color filter.
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CN201410398396.XA CN104122708A (en) | 2014-08-13 | 2014-08-13 | Liquid crystal display module and manufacturing method thereof |
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Cited By (1)
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CN105954893A (en) * | 2016-05-30 | 2016-09-21 | 康佳集团股份有限公司 | Configuration method and detection device for liquid crystal optical module |
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CN101017279A (en) * | 2006-02-07 | 2007-08-15 | 瀚宇彩晶股份有限公司 | Backing structure of LCD |
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US20020126078A1 (en) * | 2001-03-06 | 2002-09-12 | International Business Machines Corporation | Liquid crystal display device and display device |
CN1637520A (en) * | 2005-01-11 | 2005-07-13 | 友达光电股份有限公司 | Display and its color filter and lamp tube |
CN101017279A (en) * | 2006-02-07 | 2007-08-15 | 瀚宇彩晶股份有限公司 | Backing structure of LCD |
CN201262675Y (en) * | 2008-09-05 | 2009-06-24 | 天马微电子股份有限公司 | Liquid crystal display screen and liquid crystal display |
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CN105954893A (en) * | 2016-05-30 | 2016-09-21 | 康佳集团股份有限公司 | Configuration method and detection device for liquid crystal optical module |
CN105954893B (en) * | 2016-05-30 | 2019-02-05 | 康佳集团股份有限公司 | A kind of configuration method and detection device of liquid crystal optics mould group |
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Application publication date: 20141029 |