CN101995687A - TFT-LCD panel, color film substrate and manufacturing method thereof - Google Patents
TFT-LCD panel, color film substrate and manufacturing method thereof Download PDFInfo
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- CN101995687A CN101995687A CN200910091148XA CN200910091148A CN101995687A CN 101995687 A CN101995687 A CN 101995687A CN 200910091148X A CN200910091148X A CN 200910091148XA CN 200910091148 A CN200910091148 A CN 200910091148A CN 101995687 A CN101995687 A CN 101995687A
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Abstract
The invention discloses a TFT-LCD panel, a color film substrate and a manufacturing method thereof, and the color film substrate comprises a transparent substrate and R, B and B resins, and the thicknesses of the R, the G and the B resins are sequentially gradually increased. By regulating the thicknesses of the R, the G and the B resins, the thickness of a liquid crystal layer in R, G and B pigments is changed, thereby leading the transmittances of the R, the G and the B pigments to be as close as possible; when a liquid crystal is driven by driving voltage preset in a program, the color which is closest to the theoretical gray value through the R, the G and the B pigments can be obtained, the degree of realism of the color can be improved, and the image quality of a liquid crystal display device can be improved.
Description
Technical field
The present invention relates to TFT-LCD liquid crystal panel, color membrane substrates and manufacture method thereof, especially relate to TFT-LCD liquid crystal panel, color membrane substrates and the manufacture method thereof that can improve image quality.
Background technology
Thin-film transistor LCD device (Thin Film Transistor Liquid CrystalDisplay is called for short TFT-LCD) is a kind of main panel display apparatus (Flat Panel Display abbreviates FPD as).
TFT-LCD is made of assemblies such as liquid crystal panel, module backlight and printed circuit board (PCB)s.Wherein, module backlight provides planar light to liquid crystal panel.Liquid crystal panel is made of the liquid crystal layer between array base palte, color membrane substrates and array base palte and the color membrane substrates.
Color membrane substrates is made of black matrix and color resin etc., and color resin is meant red (R), the resin of green (G), blue (B) three looks.A pixel electrode of all corresponding array base palte of each color resin, black matrix be the signal wire of corresponding array base palte and thin film transistor (TFT) etc. then.Below the R resin zone of liquid crystal panel is referred to as the R pixel, G resin zone is referred to as the G pixel, B resin zone is referred to as the B pixel.
The transmitance of liquid crystal is subjected to 2 Δ nd/ λ influence, and wherein Δ n is the birefraction of liquid crystal, and d is the thickness (thickness that does not comprise color resin) of liquid crystal layer, and λ is a light wavelength.Existing LCD, the thickness of liquid crystal layer is even because the λ difference of R, G, B three looks, thus the transmitance of R, G, B pixel neither with.
See also Fig. 1, Fig. 1 is the curve map that sees through of existing LCD rgb pixel.Among Fig. 1, ordinate is a transmitance, and horizontal ordinate is the thickness of liquid crystal layer, and unit is μ m.
Among Fig. 1, the point of RBG transmitance maximum is that transmitance is 0 part, and when the transmitance of visible R, G, B light reached maximum, required thickness of liquid crystal layer was B＜G＜R.In the actual production, general liquid crystal layer is selected the thickness less than 0.48 μ m, and reason is that in the scope less than 0.48 μ m, transmitance satisfies B＞G＞R always.
Because the transmitance of R, G, B pixel is inconsistent, when same drive voltage drove, the gamma curve of demonstration (relation curve of driving voltage and transmitance) was also inequality.Usually, gamma curve is to set according to the standard of G pixel, and therefore in fact identical driving voltage can only obtain required transmitance, i.e. gray scale in the G pixel; And R and B pixel, the transmitance that obtains is more lower slightly and slightly high than required value.This phenomenon can cause three kinds of mixed colors that show of pixel and required color that difference is arranged, and visually quality reduces.
Summary of the invention
The purpose of this invention is to provide a kind of TFT-LCD liquid crystal panel, color membrane substrates and manufacture method thereof, can the transmitance of R pixel and B pixel is approaching as much as possible to the B pixel, make the color degree of verisimilitude improve, improve image quality.
For achieving the above object, the invention provides a kind of TFT-LCD color membrane substrates, comprise transparency carrier and R, G, B resin, the thickness of described R, G, B resin increases progressively successively.
For achieving the above object, the present invention also provides a kind of TFT-LCD liquid crystal panel, comprises R, G, B pixel, and described R pixel comprises R resin, first pixel electrode and first liquid crystal layer between the R resin and first pixel electrode; Described G pixel comprises G resin, second pixel electrode and second liquid crystal layer between the G resin and second pixel electrode; Described B pixel comprises B resin, the 3rd pixel electrode and the 3rd liquid crystal layer between B resin and the 3rd pixel electrode; The thickness of described R, G, B resin increases progressively successively, makes the thickness of described first liquid crystal layer, second liquid crystal layer, the 3rd liquid crystal layer successively decrease successively.
For achieving the above object, the present invention also provides a kind of manufacture method of TFT-LCD color membrane substrates, and it comprises:
On the transparency carrier of insulation, the nontransparent material of deposition one deck forms the figure of deceiving matrix by composition technology;
Deposit the R resin film of first thickness, form the figure of R resin by composition technology;
Deposit the G resin film of second thickness, form the figure of G resin by composition technology;
Deposit the B resin film of the 3rd thickness, form the figure of B resin by composition technology;
Wherein, first thickness is less than second thickness, and second thickness is less than the 3rd thickness.
As shown from the above technical solution, TFT-LCD liquid crystal panel of the present invention, color membrane substrates and manufacture method thereof, by regulating the thickness of R, G, B resin, changed thickness of liquid crystal layer in R, G, the B pixel, make the transmitance of R, G, B pixel approaching as far as possible thus, when driving liquid crystal, just can be approached the color of theoretical gray-scale value most by R, G, B pixel with driving voltage default in the program, improve the color degree of verisimilitude, improve the image quality of LCD.
Description of drawings
Fig. 1 is the curve map that sees through of existing LCD rgb pixel;
Fig. 2 is the sectional view of TFT-LCD liquid crystal panel of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 2 is the sectional view of TFT-LCD liquid crystal panel of the present invention.As shown in Figure 2, liquid crystal panel of the present invention comprises color membrane substrates and array base palte.
Wherein color membrane substrates comprises: transparency carrier 10, R resin 11, G resin 12, B resin 13 and black matrix (Black matrix) 14.Wherein, transparency carrier 10 can be glass substrate or quartz base plate etc.; R resin 11, G resin 12, B resin 13 and black matrix 14 are arranged on the transparency carrier 10; Black matrix 14 is arranged between R resin 11, G resin 12 and the B resin 13, certainly, black matrix 14 can be set also as required; The thickness of R resin 11, G resin 12, B resin 13 increases progressively successively.In addition, color membrane substrates can also comprise tabular public electrode, and public electrode can cover on color resin and the black matrix.
Wherein, array base palte comprises: transparency carrier 20, first pixel electrode 21, second pixel electrode 22, the 3rd pixel electrode 23 and a plurality of signal wire 24.Wherein, transparency carrier 20 can be glass substrate or quartz base plate etc.; Signal wire 24 is grid line, data line and public electrode wire etc., is used for providing signal to array base palte the position of signal wire 24, corresponding with the position of black matrix 14, black matrix 14 is used to block signal wire 24 poor light on every side, and black matrix 14 is same as the prior art, so do not describe in detail; First pixel electrode 21 is corresponding with R resin 11, between liquid crystal layer for having first thickness d
RFirst liquid crystal layer; Second pixel electrode 22 is corresponding with G resin 12, between liquid crystal layer for having second thickness d
GSecond liquid crystal layer; The 3rd pixel electrode 23 is corresponding with B resin 13, between liquid crystal layer for having the 3rd thickness d
BThe 3rd liquid crystal layer.
Wherein, because the thickness between array base palte and the color membrane substrates is homogeneous, therefore, and in R, G, the B pixel, when the thickness of R, G, B resin increases progressively successively, the thickness d of first liquid crystal layer
R, second liquid crystal layer thickness d
G, the 3rd liquid crystal layer thickness d
BSuccessively decrease successively.So, the thickness of control liquid crystal layer has been regulated transmitance in R, G, the B pixel.Preferably, be benchmark with the G pixel, the R resin of R pixel is more thinner than what do in the prior art, the B resin of B pixel is thicker than what do in the prior art, reach the approaching as far as possible purpose of transmitance of rgb pixel.
Preferably, the thickness difference of described R, G, B resin is 0.1-0.5 μ m.Because in the color membrane substrates manufacturing process, fabrication error is 0.1 μ m, therefore, thickness difference is during less than 0.1 μ m, have because of error the thickness of different colours resin is floating or obtain problem with required opposite thickness.When the resin difference was higher than 0.5 μ m, it was bad friction process to take place, and made liquid crystal on color membrane substrates and the array base palte arrange and uneven problem occurred, and it is bad light leak etc. to occur.
The present invention is by regulating the thickness of R, G, B resin, changed thickness of liquid crystal layer in R, G, the B pixel, make the transmitance of R, G, B pixel approaching as far as possible thus, when driving liquid crystal with driving voltage default in the program, just can be approached the color of theoretical gray-scale value by R, G, B pixel most, improve the color degree of verisimilitude, improve the image quality of LCD.
The following describes the manufacture method of TFT-LCD color membrane substrates of the present invention.Comprise the steps:
Step 1: on the transparency carrier of insulation, the nontransparent material of deposition one deck forms the figure of deceiving matrix by composition technology;
Step 2: deposit the R resin film of first thickness, form the figure of R resin by composition technology;
Step 3: deposit the G resin film of second thickness, form the figure of G resin by composition technology;
Step 4: deposit the B resin film of the 3rd thickness, form the figure of B resin by composition technology;
Wherein, first thickness is less than second thickness, and second thickness is less than the 3rd thickness.
Above-mentioned steps 2,3,4 can any order be carried out, and controls the thickness of the color resin of formation by the thickness of deposit film.
In addition, can also form public electrode as required on the structure of the above-mentioned color membrane substrates that obtains through step 1-4.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (7)
1. a TFT-LCD color membrane substrates comprises transparency carrier and R, G, B resin, it is characterized in that, the thickness of described R, G, B resin increases progressively successively.
2. TFT-LCD color membrane substrates according to claim 1 is characterized in that, the thickness difference of described R, G, B resin is 0.1-0.5 μ m.
3. TFT-LCD color membrane substrates according to claim 1 is characterized in that: also comprise black matrix, be arranged between described R, G, the B resin.
4. TFT-LCD color membrane substrates according to claim 1 is characterized in that: also comprise public electrode, be covered on described R, G, the B resin.
5. a TFT-LCD liquid crystal panel comprises R, G, B pixel, it is characterized in that,
Described R pixel comprises R resin, first pixel electrode and first liquid crystal layer between the R resin and first pixel electrode;
Described G pixel comprises G resin, second pixel electrode and second liquid crystal layer between the G resin and second pixel electrode;
Described B pixel comprises B resin, the 3rd pixel electrode and the 3rd liquid crystal layer between B resin and the 3rd pixel electrode;
The thickness of described R, G, B resin increases progressively successively, makes the thickness of described first liquid crystal layer, second liquid crystal layer, the 3rd liquid crystal layer successively decrease successively.
6. TFT-LCD liquid crystal panel according to claim 4 is characterized in that, the thickness difference of described R, G, B resin is 0.1-0.5 μ m.
7. the manufacture method of a TFT-LCD color membrane substrates is characterized in that comprising:
On the transparency carrier of insulation, the nontransparent material of deposition one deck forms the figure of deceiving matrix by composition technology;
Deposit the R resin film of first thickness, form the figure of R resin by composition technology;
Deposit the G resin film of second thickness, form the figure of G resin by composition technology;
Deposit the B resin film of the 3rd thickness, form the figure of B resin by composition technology;
Wherein, first thickness is less than second thickness, and second thickness is less than the 3rd thickness.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636922A (en) * | 2012-01-21 | 2012-08-15 | 京东方科技集团股份有限公司 | Wide-viewing-angle liquid crystal display panel, color film base plate and manufacturing method thereof as well as display device |
| CN102768379A (en) * | 2011-08-30 | 2012-11-07 | 明基材料有限公司 | Optical compensation film and production method thereof |
| CN102966862A (en) * | 2011-08-30 | 2013-03-13 | 中强光电股份有限公司 | Light source device |
| TWI472853B (en) * | 2011-07-12 | 2015-02-11 | Benq Materials Corp | Optical compensation film and method of manufacturing the same |
| CN104991384A (en) * | 2015-07-07 | 2015-10-21 | 昆山龙腾光电有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN108832027A (en) * | 2018-06-07 | 2018-11-16 | 广州市得胜光电科技有限公司 | A kind of raising WOLED+COA manufacture of substrates |
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| CN101290419A (en) * | 2007-04-19 | 2008-10-22 | Lg.菲力浦Lcd株式会社 | Liquid crystal display panel and fabricating methods thereof |
| CN101435961A (en) * | 2007-11-15 | 2009-05-20 | 北京京东方光电科技有限公司 | TFT-LCD color film / array substrate, liquid crystal display panel and method for producing same |
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| CN1584691A (en) * | 2003-08-19 | 2005-02-23 | 友达光电股份有限公司 | Liquid-crystal displaying panel and producing method thereof |
| CN101290419A (en) * | 2007-04-19 | 2008-10-22 | Lg.菲力浦Lcd株式会社 | Liquid crystal display panel and fabricating methods thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9423544B2 (en) | 2011-07-12 | 2016-08-23 | Benq Materials Corporation | Method for manufacturing optical compensation film |
| US9019450B2 (en) | 2011-07-12 | 2015-04-28 | Benq Materials Corporation | Optical compensation film and method for manufacturing the same |
| TWI472853B (en) * | 2011-07-12 | 2015-02-11 | Benq Materials Corp | Optical compensation film and method of manufacturing the same |
| CN102768379B (en) * | 2011-08-30 | 2015-03-11 | 明基材料有限公司 | Optical compensation film and production method thereof |
| CN102768379A (en) * | 2011-08-30 | 2012-11-07 | 明基材料有限公司 | Optical compensation film and production method thereof |
| CN102966862A (en) * | 2011-08-30 | 2013-03-13 | 中强光电股份有限公司 | Light source device |
| CN102966862B (en) * | 2011-08-30 | 2014-11-26 | 中强光电股份有限公司 | Light source device |
| WO2013107210A1 (en) * | 2012-01-21 | 2013-07-25 | 京东方科技集团股份有限公司 | Wide-viewing-angle liquid crystal display panel, color film base plate and manufacturing method thereof as well as display device |
| CN102636922B (en) * | 2012-01-21 | 2014-09-24 | 京东方科技集团股份有限公司 | Wide-viewing-angle liquid crystal display panel, color film base plate and manufacturing method thereof as well as display device |
| US9244303B2 (en) | 2012-01-21 | 2016-01-26 | Boe Technology Group Co., Ltd. | Wide-viewing-angle liquid crystal display panel, color film base plate and manufacturing method thereof as well as display device |
| CN102636922A (en) * | 2012-01-21 | 2012-08-15 | 京东方科技集团股份有限公司 | Wide-viewing-angle liquid crystal display panel, color film base plate and manufacturing method thereof as well as display device |
| CN104991384A (en) * | 2015-07-07 | 2015-10-21 | 昆山龙腾光电有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN108832027A (en) * | 2018-06-07 | 2018-11-16 | 广州市得胜光电科技有限公司 | A kind of raising WOLED+COA manufacture of substrates |
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Application publication date: 20110330 |