CN102243395B - Liquid crystal panel, manufacturing method thereof and liquid crystal displayer - Google Patents
Liquid crystal panel, manufacturing method thereof and liquid crystal displayer Download PDFInfo
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- CN102243395B CN102243395B CN 201010176008 CN201010176008A CN102243395B CN 102243395 B CN102243395 B CN 102243395B CN 201010176008 CN201010176008 CN 201010176008 CN 201010176008 A CN201010176008 A CN 201010176008A CN 102243395 B CN102243395 B CN 102243395B
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Abstract
The invention discloses a liquid crystal panel, a manufacturing method thereof and a liquid crystal displayer. The liquid crystal panel comprises a first liquid crystal display substrate, a second liquid crystal display substrate and a liquid crystal filled between the first liquid crystal display substrate and the second liquid crystal display substrate, wherein a protecting layer is disposed on the first liquid crystal display substrate or the second liquid crystal display substrate corresponding to the non-high-temperature area of the liquid crystal panel; a spacing article is disposed in the first liquid crystal display substrate or the second liquid crystal display substrate so that the product of the optical anisotropy constant of the liquid crystal corresponding to the non-high-temperature area of the liquid crystal panel and a box thickness keeps identical with the product of the optical anisotropy constant of the liquid crystal corresponding to the high-temperature area thereof and the box thickness. In the invention, the protecting layer and the spacing article are disposed on the substrate corresponding to the non-high-temperature area of the liquid crystal panel so that the products of the optical anisotropy constants of the liquid crystals corresponding to the non-high-temperature area and the high-temperature area of the liquid crystal panel and the box thickness keep identical, which realizes to design different box thicknesses according to the temperatures of the different areas of the liquid crystal panel.
Description
Technical field
The present invention relates to lcd technology, relate in particular to a kind of liquid crystal panel and manufacture method thereof and liquid crystal display.
Background technology
Liquid crystal display is flat-panel monitor commonly used at present, and wherein Thin Film Transistor-LCD (Thin Film Transistor Liquid Crystal Display is called for short TFT-LCD) is the main product in liquid crystal display.Liquid crystal panel is undertaken involutory usually by array base palte and color membrane substrates, and injects liquid crystal and form between two substrates.In the manufacture process of liquid crystal panel, box thick (Cell Gap) is as an important controlling factor, and the variation of its thickness can cause that the transmitance of liquid crystal panel and contrast change, and then the quality of liquid crystal display is exerted an influence.In order to keep in liquid crystal display array base palte thick consistent with the box between color membrane substrates, usually added certain thickness chock insulator matter (Spacer) between two substrates before to box, to keep box thick.
In the prior art, the box of liquid crystal panel is thick to be designed in advance, mainly designs box is thick based on postponing Δ n * d, and wherein, Δ n is the optical anisotropy constant of liquid crystal, and d is that box is thick.Be illustrated in figure 1 as the relation curve schematic diagram of the contrast of delay of the prior art and liquid crystal panel, thus, as seen, the contrast of Δ n * d and liquid crystal panel has direct relation.In order to guarantee that liquid crystal panel has higher contrast, the value of Δ n * d is preferably constant, namely controls the corresponding position of peak value of contrast in the drawings, and as the corresponding position of first peak value in figure, the value that is about to Δ n * d is controlled at 0.5 left and right.And in the liquid crystal panel of reality, the value variation with temperature of the Δ n of liquid crystal and changing, and due to backlight or the isostructural difference of driving circuit, temperature when the zones of different real work of panel is not identical, usually the temperature apart from backlight and PCB circuit board nearer zone is higher, the value of Δ n that should the zone correspondence is lower, and the value of the Δ n that the normal region is corresponding is higher.
In prior art, whole liquid crystal panel all adopts the thick design of identical box, and the value of the Δ n that in panel, high-temperature area is corresponding is lower than the normal region, make the Δ n * d of high-temperature area lower than the normal region, and then cause this regional contrast to occur significantly descending, the display quality of the whole liquid crystal display of impact.
Summary of the invention
The invention provides a kind of liquid crystal panel and manufacture method thereof and liquid crystal display, thick to realize the box different according to the temperature design of liquid crystal panel zones of different, can effectively improve liquid crystal panel in the contrast of peripheral part, and then improve the display quality of whole liquid crystal display.
the invention provides a kind of liquid crystal panel, comprise the first liquid crystal display substrate, the second liquid crystal display substrate and be filled in described the first liquid crystal display substrate and described the second liquid crystal display substrate between liquid crystal, be provided with protective seam on described the first liquid crystal display substrate corresponding to the non high temperature of liquid crystal panel zone or described the second liquid crystal display substrate, be provided with chock insulator matter in described the first liquid crystal display substrate or described the second liquid crystal display substrate, so that optical anisotropy constant and the thick product of box of the thick product of the optical anisotropy constant of liquid crystal corresponding to the non high temperature of liquid crystal panel zone and the box liquid crystal corresponding with high-temperature area are consistent.
The invention provides a kind of liquid crystal display, comprise outside framework and liquid crystal panel, described liquid crystal panel adopts above-mentioned liquid crystal panel.
The invention provides a kind of manufacture method of liquid crystal panel, comprise the step of making respectively the first liquid crystal display substrate and the second liquid crystal display substrate, it is characterized in that, also comprise:
On the non high temperature of liquid crystal panel regional corresponding described the first liquid crystal display substrate or described the second liquid crystal display substrate, form the figure of protective seam by composition technique;
On described the first liquid crystal display substrate or described the second liquid crystal display substrate, form the figure of cylindrical spacer by composition technique, so that optical anisotropy constant and the thick product of box of the thick product of the optical anisotropy constant of liquid crystal corresponding to the non high temperature of liquid crystal panel zone and the box liquid crystal corresponding with high-temperature area are consistent.
liquid crystal panel provided by the invention and manufacture method thereof and liquid crystal display, by be provided with protective seam on the first liquid crystal display substrate corresponding to the non high temperature of liquid crystal panel zone or described the second liquid crystal display substrate, be provided with chock insulator matter in described the first liquid crystal display substrate or described the second liquid crystal display substrate, so that optical anisotropy constant and the thick product of box of the thick product of the optical anisotropy constant of liquid crystal corresponding to the non high temperature of liquid crystal panel zone and the box liquid crystal corresponding with high-temperature area are consistent, having solved in the prior art Δ n due to the high-temperature area of liquid crystal panel reduces and causes corresponding Δ n * d to reduce, make the defective of the contrast reduction of liquid crystal panel, realized that the box different according to the temperature design of liquid crystal panel zones of different is thick, can effectively improve liquid crystal panel in the contrast of peripheral part, and then improved the display quality of whole liquid crystal display.
Description of drawings
Fig. 1 is the relation curve schematic diagram of the contrast of delay of the prior art and liquid crystal panel;
Fig. 2 A is the fragmentary top TV structure schematic diagram of the dot structure of color membrane substrates in liquid crystal panel of the present invention;
Fig. 2 B dissects structural representation along the side-looking of A-A ' line in Fig. 2 A;
Fig. 2 C dissects structural representation along the side-looking of B-B ' line in Fig. 2 A;
Fig. 3 is the process flow diagram of the manufacture method embodiment one of liquid crystal panel of the present invention;
Fig. 4 is the process flow diagram of the manufacture method embodiment two of liquid crystal panel of the present invention;
Fig. 5 is the first process schematic representation of color membrane substrates in the manufacture method embodiment two of liquid crystal panel of the present invention;
Fig. 6 is the second process schematic representation of color membrane substrates in the manufacture method embodiment two of liquid crystal panel of the present invention;
Fig. 7 is the 3rd process schematic representation of color membrane substrates in the manufacture method embodiment two of liquid crystal panel of the present invention;
Fig. 8 is the 4th process schematic representation of color membrane substrates in the manufacture method embodiment two of liquid crystal panel of the present invention;
Fig. 9 is the 5th process schematic representation of color membrane substrates in the manufacture method embodiment two of liquid crystal panel of the present invention;
Figure 10 is the 6th process schematic representation of color membrane substrates in the manufacture method embodiment two of liquid crystal panel of the present invention;
Figure 11 is the 7th process schematic representation of color membrane substrates in the manufacture method embodiment two of liquid crystal panel of the present invention.
Reference numeral:
The 1-glass substrate; 2-deceives matrix; The 3-pixel resin;
41-the first protective seam; The 5-ITO layer; The 6-cylindrical spacer;
42-the second protective seam; The 421-diaphragm; The 422-photoresist;
71-full impregnated light zone; The light tight zone of 72-; 61-chock insulator matter material layer;
73-have slit shadow tone or
The gray tone zone.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
the present embodiment provides a kind of liquid crystal panel, this liquid crystal panel comprises the first liquid crystal display substrate, the second liquid crystal display substrate and be filled in the first liquid crystal display substrate and the second liquid crystal display substrate between liquid crystal, wherein, be provided with protective seam on regional the first corresponding liquid crystal display substrate of the non high temperature of liquid crystal panel or the second liquid crystal display substrate, be provided with chock insulator matter in the first liquid crystal display substrate or the second liquid crystal display substrate, so that the optical anisotropy constant Δ n of the product of the optical anisotropy constant Δ n of liquid crystal corresponding to the non high temperature of liquid crystal panel zone and the thick d of the box liquid crystal corresponding with high-temperature area and the product of the thick d of box are consistent, namely make non high temperature zone and the Δ n * d corresponding to high-temperature area of liquid crystal panel be consistent.in the present embodiment, the first liquid crystal display substrate can be specially array base palte, and the second liquid crystal display substrate can be specially color membrane substrates, and the present embodiment can be at the non high temperature region division protective seam of array base palte, and cylindrical spacer is set on protective seam, also can be at the non high temperature region division protective seam of color membrane substrates, and cylindrical spacer is set on protective seam, can also at the non high temperature region division protective seam of array base palte, cylindrical spacer be set in color membrane substrates, can also at the non high temperature region division protective seam of color membrane substrates, cylindrical spacer be set in array base palte, the present embodiment is by arranging protective seam and cylindrical spacer in two substrates of liquid crystal display substrate, make Δ n * d Δ n * d corresponding with high-temperature area of non high temperature zone correspondence in liquid crystal panel be consistent, in prior art, the Δ n reduction due to high-temperature area causes corresponding Δ n * d to reduce thereby overcome, make the contrast of liquid crystal panel reduce the defective of bringing, realized that the box different according to the temperature design of liquid crystal panel zones of different is thick, can effectively improve liquid crystal panel in the contrast of peripheral part, and then improved the display quality of whole liquid crystal display.
Below will all be arranged on color membrane substrates as example take protective seam and cylindrical spacer the embodiment of the present invention is specifically described, the embodiment of above-mentioned other situations can similarly, repeat no more herein.Fig. 2 A is the fragmentary top TV structure schematic diagram of the dot structure of color membrane substrates in liquid crystal panel of the present invention, and Fig. 2 B dissects structural representation along the side-looking of A-A ' line in Fig. 2 A, and Fig. 2 C dissects structural representation along the side-looking of B-B ' line in Fig. 2 A.In liquid crystal panel, circuit structure difference due to the diverse location zone, cause non-uniform temperature in the whole zone of liquid crystal panel, the nearer regional temperature of general panel middle distance backlight and PCB circuit board is higher, CCFL take backlight as the upper side edge formula in the present embodiment describes technical scheme of the present invention as example, other types similarly repeat no more herein.As shown in Fig. 2 A, CCFL is positioned at the top of liquid crystal panel, and regional a is corresponding to the high-temperature area in liquid crystal panel, and regional b is corresponding to the zone of the non high temperature in liquid crystal panel.As shown in Fig. 2 A, Fig. 2 B and Fig. 2 C, this color membrane substrates can comprise glass substrate 1 and the black matrix 2, pixel resin 3, the first protective seam 41 and the tin indium oxide ITO layer 5 that are successively set on glass substrate 1, is provided with cylindrical spacer 6 on this ITO layer.In the present embodiment, as shown in Fig. 2 C, be provided with the second protective seam 42 on ITO layer corresponding to the non high temperature zone b of liquid crystal panel, the cylindrical spacer 6 of this zone correspondence is arranged on the second protective seam 42.In the present embodiment; add layer protective layer on the regional corresponding ITO layer of the non high temperature of liquid crystal panel; and do not add protective seam on ITO layer corresponding to the high-temperature area of liquid crystal panel, make box corresponding to the high-temperature area of liquid crystal panel thick thick greater than box corresponding to the non high temperature zone of liquid crystal panel.Along with the rising of temperature reduces, lower than the non high temperature zone of liquid crystal panel at the Δ n of the high-temperature area of liquid crystal panel due to the Δ n of liquid crystal material.The thick d of box of the liquid crystal panel that the high-temperature area by strengthening liquid crystal panel in the present embodiment is corresponding, making the Δ n * d corresponding to high-temperature area of liquid crystal panel is consistent with the regional corresponding Δ n * d of non high temperature, solved in the prior art Δ n due to the high-temperature area of liquid crystal panel and reduced and cause corresponding Δ n * d to reduce, the defective that makes the contrast of liquid crystal panel reduce.
Continuation is referring to Fig. 2 A, 2B and 2C; in the present embodiment, the height of the cylindrical spacer 6 of the non high temperature of liquid crystal panel zone correspondence is lower than the height of cylindrical spacer 6 corresponding to the high-temperature area of liquid crystal panel; and the difference of its height equals the thickness of the second protective seam 42; be the height H 1 of the cylindrical spacer 6 in Fig. 2 C lower than the height H 2 of cylindrical spacer 6 in Fig. 2 B, the difference H2-H1 of its height equals the thickness h of the second protective seam 42.In the present embodiment; be provided with the second protective seam on ITO layer due to color membrane substrates corresponding to the non high temperature of liquid crystal panel zone; and be not provided with the second protective seam on the ITO layer of color membrane substrates corresponding to the high-temperature area of liquid crystal panel, the whole height of color membrane substrates corresponding to the non high temperature of liquid crystal panel zone is higher than the height of color membrane substrates corresponding to the high-temperature area of liquid crystal panel.For guaranteeing at color membrane substrates and array base palte during to box; the purpose that the height on cylindrical spacer top is identical; the height H 1 of the cylindrical spacer that the present embodiment is corresponding with the non high temperature of liquid crystal panel zone is set to the height H 2 lower than cylindrical spacer corresponding to the high-temperature area of liquid crystal panel; and height difference H2-H1 is set to the thickness h of the second protective seam; can guarantee color membrane substrates with array base palte during to box the height on cylindrical spacer top be identical, guaranteed the thick consistance of box of liquid crystal panel.
In the present embodiment, the thickness h of the second protective seam is predefined according to the temperature gap in the high-temperature area of liquid crystal panel and non high temperature zone.The present embodiment can be before making color membrane substrates; liquid crystal panel common in prior art is tested; particularly; after liquid crystal panel work is more than one hour; the temperature of test liquid crystal panel surface diverse location, the temperature gap that obtains the high-temperature area of liquid crystal panel and non high temperature zone according to test presets the thickness of the second protective seam.The temperature of supposing the high-temperature area of the liquid crystal panel that test obtains is 50 degree, but not the temperature of high-temperature area is 30 degree, and the thick 4.5um that is of box can know that by following table 1 Δ n corresponding to high-temperature area is 0.097, but not Δ n corresponding to high-temperature area is 0.111.
Table 1 Δ n and regional temperature relation table
| Temperature | 20 | 25 | 30 | 40 | 50 |
| Δn | 0.116 | 0.113 | 0.111 | 0.105 | 0.097 |
As from the foregoing, for making Δ n in liquid crystal panel whole zone * d substantially constant, namely remain on 0.5 left and right, need the thick greatly approximately 5.1um that adds of box with high-temperature area.Therefore; add one deck protection (overcoat) layer on the ITO layer of color membrane substrates corresponding to the non high temperature of liquid crystal panel zone; by the temperature gap in high-temperature area and non high temperature zone, the thickness that can preset the second protective seam is 0.6um (5.1um-4.5um).
Liquid crystal panel provided by the invention; by add layer protective layer on the regional corresponding ITO layer of the non high temperature of liquid crystal panel; make the high-temperature area and regional corresponding thick being consistent of box of non high temperature of liquid crystal panel; having solved in the prior art Δ n due to high-temperature area reduces and causes corresponding Δ n * d to reduce; make the defective of the contrast reduction of liquid crystal panel; realized that the box different according to the temperature design of liquid crystal panel zones of different is thick; can effectively improve liquid crystal panel in the contrast of peripheral part, and then improve the display quality of whole liquid crystal display.
The present embodiment also provides a kind of liquid crystal display, can comprise outside framework and liquid crystal panel, and this liquid crystal panel can adopt the liquid crystal panel of describing in above-described embodiment.
Fig. 3 is the process flow diagram of the manufacture method embodiment one of liquid crystal panel of the present invention, and as shown in Figure 3, the present embodiment provides a kind of manufacture method of liquid crystal panel, can specifically comprise the steps:
the first liquid crystal display substrate can be specially array base palte in the present embodiment, and the second liquid crystal display substrate can be specially color membrane substrates, and the present embodiment can be at the non high temperature region division protective seam of array base palte, and cylindrical spacer is set on protective seam, also can be at the non high temperature region division protective seam of color membrane substrates, and cylindrical spacer is set on protective seam, can also at the non high temperature region division protective seam of array base palte, cylindrical spacer be set in color membrane substrates, can also at the non high temperature region division protective seam of color membrane substrates, cylindrical spacer be set in array base palte, the present embodiment is by arranging protective seam and cylindrical spacer in two substrates of liquid crystal display substrate, make non high temperature Δ n * d Δ n * d corresponding with high-temperature area corresponding to zone of liquid crystal panel be consistent, in prior art, the Δ n reduction due to high-temperature area causes corresponding Δ n * d to reduce thereby overcome, make the contrast of liquid crystal panel reduce the defective of bringing, realized that the box different according to the temperature design of liquid crystal panel zones of different is thick, can effectively improve liquid crystal panel in the contrast of peripheral part, and then improved the display quality of whole liquid crystal display.
Below will all be arranged on color membrane substrates as example take protective seam and cylindrical spacer the embodiment of the present invention is specifically described, the embodiment of above-mentioned other situations can similarly, repeat no more herein.Fig. 4 is the process flow diagram of the manufacture method embodiment two of liquid crystal panel of the present invention, and as shown in Figure 4, in the liquid crystal panel that the present embodiment provides, the manufacture method of color membrane substrates can comprise the steps:
In the present embodiment; owing to comprising layer protective layer in existing color membrane substrates; it is the overcoat layer; this step arranges again other layer protective layer on it; therefore in order will both to distinguish, in the present embodiment with the first protective seam as existing protective seam in color membrane substrates, take the second protective seam as the present embodiment in color membrane substrates newly-increased protective seam; similarly follow-up, repeat no more.As Fig. 5～11 each process schematic representation for color membrane substrates in the manufacture method embodiment two of liquid crystal panel of the present invention, below with reference to accompanying drawing, the manufacture method of the liquid crystal display substrate of the present embodiment is done detailed explanation, suppose that in figure, regional a corresponds to high-temperature area, regional b corresponds to the non high temperature zone.This step is on the regional corresponding glass substrate of the non high temperature of the liquid crystal panel of above-mentioned steps 401, forms the figure of the second protective seam by composition technique.Particularly; on the glass substrate 1 of completing above-mentioned steps 401; apply successively layer protecting film 421 and one deck photoresist 422; namely apply layer protecting film 421 on the whole ITO layer 5 of color membrane substrates shown in Figure 5; again on the color membrane substrates that is coated with diaphragm 421; apply one deck photoresist 422, obtain figure as shown in Figure 6.Then, as shown in Figure 7, utilize the first mask plate that the photoresist 422 on glass substrate is exposed, wherein, the first mask plate comprises full impregnated light regional 71 and light tight regional 72, photoresist 422 on glass substrate corresponding to the high-temperature area of liquid crystal panel is corresponding to the full impregnated light zone 71 of the first mask plate, and the exposure of the photoresist 422 on glass substrate corresponding to the non high temperature zone of liquid crystal panel is corresponding to light tight regional 72 of the first mask plate.The present embodiment utilizes the first mask plate that the photoresist 422 on glass substrate is exposed; and the glass substrate after exposure is developed and etching; peel off remaining photoresist; form one deck the second protective seam 42 on the regional corresponding ITO of the non high temperature of liquid crystal panel, namely obtain figure shown in Figure 8.Particularly, the photoresist in this step can specifically adopt positive photoresist.Certainly; it will be appreciated by those skilled in the art that; also can adopt negative photoresist in composition technique; diaphragm on the glass substrate that the high-temperature area of liquid crystal panel is corresponding at this moment and the exposure of photoresist and development are corresponding to the light tight zone of the first mask plate, and the exposure of the diaphragm on the glass substrate of the regional correspondence of the non high temperature of liquid crystal panel and photoresist and development are regional corresponding to the full impregnated light of the first mask plate.
Further, before the step 401 of the present embodiment, can also comprise the steps: that temperature gap with described high-temperature area regional according to the non high temperature of described liquid crystal panel presets the thickness of the second protective seam.The present embodiment can be before making color membrane substrates; liquid crystal panel common in prior art is tested; particularly; after liquid crystal panel work is more than one hour; the temperature of test liquid crystal panel surface diverse location, the temperature gap that obtains the high-temperature area of liquid crystal panel and non high temperature zone according to test presets the thickness of the second protective seam.The temperature of supposing the high-temperature area of the liquid crystal panel that test obtains is 50 degree, and the temperature in the non high temperature zone of liquid crystal panel is 30 degree, the thick 4.5um that is of box, Δ n corresponding to high-temperature area that can be known liquid crystal panel by upper table 1 is 0.097, and the non high temperature of liquid crystal panel Δ n corresponding to zone is 0.111.As from the foregoing, for making Δ n in liquid crystal panel whole zone * d substantially constant, namely remain on 0.5 left and right, need the thick greatly 5.1um that adds of box with high-temperature area.Therefore; add one deck protection (overcoat) layer on the ITO layer of color membrane substrates corresponding to the non high temperature of liquid crystal panel zone; the temperature gap in the high-temperature area by liquid crystal panel and non high temperature zone, the thickness that can preset the second protective seam is 0.6um (5.1um-4.6um).
This step is on the glass substrate of completing above-mentioned steps 402; form the figure of cylindrical spacer by composition technique; wherein; the height of the cylindrical spacer of the regional correspondence of the non high temperature of liquid crystal panel is lower than the height of cylindrical spacer corresponding to the high-temperature area of liquid crystal panel, and difference of its height is the thickness of the second protective seam.Particularly, as shown in Figure 9, on the glass substrate of completing steps 402, apply successively one deck chock insulator matter material layer 61 and one deck photoresist, namely apply one deck chock insulator matter material layer 61 on color membrane substrates shown in Figure 8, on the color membrane substrates that is coated with chock insulator matter material layer 61, apply one deck photoresist again, obtain figure as shown in Figure 9.Then, as shown in figure 10, utilize the second mask plate that the photoresist on glass substrate is exposed, wherein, the second mask plate comprises full impregnated light zone 71, with shadow tone or gray tone zone 73 and the light tight zone of slit.In the high-temperature area of liquid crystal panel, glass substrate corresponding to the zone of chock insulator matter to be arranged is corresponding to the full impregnated light zone 71 of the second mask plate, in the non high temperature zone of liquid crystal panel glass substrate corresponding to the zone of chock insulator matter to be arranged corresponding to the second mask plate with the shadow tone of slit or gray tone zone 73, other zones are corresponding to light tight zone.The present embodiment utilizes the second mask plate that the photoresist on glass substrate is exposed; and the glass substrate after exposure is developed and etching; peel off remaining photoresist; form cylindrical spacer 6 on ITO layer 5 corresponding to high-temperature area; form cylindrical spacer 6 on regional the second corresponding protective seam 42 of the non high temperature of described liquid crystal panel, namely obtain figure shown in Figure 11.Particularly, the photoresist in this step can specifically adopt negative photoresist.certainly, it will be appreciated by those skilled in the art that, also can adopt positive photoresist in composition technique, this moment liquid crystal panel high-temperature area in the exposure of chock insulator matter material layer on glass substrate corresponding to the zone of chock insulator matter to be arranged and photoresist corresponding to the light tight zone of the second mask plate, and in the non high temperature zone of liquid crystal panel the exposure of the chock insulator matter material layer on glass substrate corresponding to the zone of chock insulator matter to be arranged and photoresist and develop corresponding to the second mask plate with the shadow tone of slit or gray tone zone, other zones are corresponding to the transmission region of the second mask plate.
the manufacture method of liquid crystal panel provided by the invention, by add layer protective layer on the regional corresponding ITO layer of the non high temperature of liquid crystal panel, make the high-temperature area and regional corresponding thick being consistent of box of non high temperature of liquid crystal panel, having solved in the prior art Δ n due to the high-temperature area of liquid crystal panel reduces and causes corresponding Δ n * d to reduce, make the defective of the contrast reduction of liquid crystal panel, realized that the box different according to the temperature design of liquid crystal panel zones of different is thick, can effectively improve liquid crystal panel in the contrast of peripheral part, and then improved the display quality of whole liquid crystal display.
The liquid crystal panel that the manufacture method of the liquid crystal panel of the present embodiment can provide for the preparation of the embodiment of the present invention, the method possesses the step that forms corresponding construction.
The liquid crystal panel of the present embodiment can adopt the manufacture method of the liquid crystal panel that the embodiment of the present invention provides to prepare, and forms corresponding patterning.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. liquid crystal panel, comprise the first liquid crystal display substrate, the second liquid crystal display substrate and be filled in described the first liquid crystal display substrate and described the second liquid crystal display substrate between liquid crystal, be provided with chock insulator matter in described the first liquid crystal display substrate or described the second liquid crystal display substrate, it is characterized in that, be provided with protective seam on described the first liquid crystal display substrate corresponding to the non high temperature of liquid crystal panel zone or described the second liquid crystal display substrate, so that optical anisotropy constant and the thick product of box of the thick product of the optical anisotropy constant of liquid crystal corresponding to the non high temperature of liquid crystal panel zone and the box liquid crystal corresponding with high-temperature area are consistent.
2. liquid crystal panel according to claim 1; it is characterized in that; the height of the cylindrical spacer of the regional correspondence of the non high temperature of described liquid crystal panel is lower than the height of cylindrical spacer corresponding to the high-temperature area of described liquid crystal panel, and the difference of described height is the thickness of described protective seam.
3. liquid crystal panel according to claim 1 and 2, is characterized in that, the thickness of described protective seam is predefined according to the temperature gap in the non high temperature zone of the high-temperature area of described liquid crystal panel and described liquid crystal panel.
4. liquid crystal panel according to claim 3, is characterized in that, described the first liquid crystal display substrate is array base palte, and described the second liquid crystal display substrate is color membrane substrates.
5. a liquid crystal display, comprise outside framework and liquid crystal panel, and described liquid crystal panel adopts the described liquid crystal panel of any one in claim 1-4.
6. the manufacture method of a liquid crystal panel, comprise the step of making respectively the first liquid crystal display substrate and the second liquid crystal display substrate, it is characterized in that, also comprises:
On the non high temperature of liquid crystal panel regional corresponding described the first liquid crystal display substrate or described the second liquid crystal display substrate, form the figure of protective seam by composition technique;
On described the first liquid crystal display substrate or described the second liquid crystal display substrate, form the figure of cylindrical spacer by composition technique, so that optical anisotropy constant and the thick product of box of the thick product of the optical anisotropy constant of liquid crystal corresponding to the non high temperature of liquid crystal panel zone and the box liquid crystal corresponding with high-temperature area are consistent.
7. the manufacture method of liquid crystal panel according to claim 6; it is characterized in that; the height of the cylindrical spacer of the regional correspondence of the non high temperature of described liquid crystal panel is lower than the height of cylindrical spacer corresponding to the high-temperature area of described liquid crystal panel, and the difference of described height is the thickness of described protective seam.
8. the manufacture method of liquid crystal panel according to claim 7, is characterized in that, also comprises: the thickness that presets described protective seam according to the non high temperature of described liquid crystal panel zone and the temperature gap of the high-temperature area of described liquid crystal panel.
9. the manufacture method of liquid crystal panel according to claim 7; it is characterized in that; on described non high temperature at liquid crystal panel regional corresponding described the first liquid crystal display substrate or described the second liquid crystal display substrate, the figure that forms protective seam by composition technique comprises:
On described first liquid crystal display substrate or described the second liquid crystal display substrate of described liquid crystal panel, apply successively layer protecting film and one deck photoresist;
utilize the first mask plate that the photoresist on described the first liquid crystal display substrate or described the second liquid crystal display substrate is exposed, described the first liquid crystal display substrate that the high-temperature area of described liquid crystal panel is corresponding or described the second liquid crystal display substrate are corresponding to the full impregnated light zone of described the first mask plate, described first liquid crystal display substrate of the regional correspondence of the non high temperature of described liquid crystal panel or described the second liquid crystal display substrate are corresponding to the light tight zone of described the first mask plate, and described the first liquid crystal display substrate or described the second liquid crystal display substrate after exposure developed and etching, and peel off remaining photoresist, form layer protective layer on described the first liquid crystal display substrate corresponding to the non high temperature of described liquid crystal panel zone or described the second liquid crystal display substrate.
10. the manufacture method of liquid crystal panel according to claim 9, is characterized in that, and is described on described the first liquid crystal display substrate or described the second liquid crystal display substrate, and the figure that forms cylindrical spacer by composition technique comprises:
On described the first liquid crystal display substrate or described the second liquid crystal display substrate, apply successively one deck chock insulator matter material layer and one deck photoresist;
utilize the second mask plate that the photoresist on described the first liquid crystal display substrate or described the second liquid crystal display substrate is exposed, in the high-temperature area of described liquid crystal panel, described first liquid crystal display substrate of the zone correspondence of chock insulator matter to be arranged or described the second liquid crystal display substrate are corresponding to the full impregnated light zone of described the second mask plate, in the non high temperature zone of described liquid crystal panel described the first liquid crystal display substrate corresponding to the zone of chock insulator matter to be arranged or described the second liquid crystal display substrate corresponding to described the second mask plate with the shadow tone of slit or gray tone zone, other zones of described the first liquid crystal display substrate or described the second liquid crystal display substrate are corresponding to the light tight zone of described the second mask plate, and described the first liquid crystal display substrate or described the second liquid crystal display substrate after exposure developed and etching, peel off remaining photoresist, form cylindrical spacer on the protective seam of described the first liquid crystal display substrate or described the second liquid crystal display substrate.
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