CN1556421A - Colour optical filter and its manufacturing method - Google Patents
Colour optical filter and its manufacturing method Download PDFInfo
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- CN1556421A CN1556421A CNA200410000208XA CN200410000208A CN1556421A CN 1556421 A CN1556421 A CN 1556421A CN A200410000208X A CNA200410000208X A CN A200410000208XA CN 200410000208 A CN200410000208 A CN 200410000208A CN 1556421 A CN1556421 A CN 1556421A
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Abstract
There are a display area and a non-display area on basal plate provided. Then, a black matrix is formed on the basal plate. The black matrix encloses multiple sub pixel areas, and the black matrix covers non-display areas adjacent near display areas. A color filter unit is formed in each sub pixel area, and meanwhile a shading layer is formed on the black matrix in non-display areas in procedure of forming color filter unit. The invented color filter improves issue of light leak in edges on display areas. Purpose of improving light leak is reached by changing photoresistive or collocating raised light masks without need of making any changing on preparing procedures or materials, thus, the invention makes the method of fabricating filter more feasible.
Description
Technical field
The present invention relates to a kind of colored filter and manufacture method thereof, particularly relate to a kind of light shield layer that on the black matrix of non-display area, forms, with colored filter and the manufacture method thereof of avoiding the edge of display area light leak.
Background technology
Along with the significantly progressive and the Internet of computing power, the high development of multimedia technology, the transmission of image information at present transfers digital transmission to by simulation mostly, and in order to cooperate modern life pattern, it is frivolous that the volume of video signal or device for image also day by day is tending towards.Traditional cathode-ray tube (CRT) though still have its advantage, because the structure in internal electron chamber, makes the bulky of display and takes up space, and still has radiant rays to hinder problems such as eye when showing.Therefore, the plane formula display (Flat Panel Display) that cooperates photoelectric technology and semiconductor fabrication to be developed, for example LCD (LCD), organic light emitting display (OLED) or plasma display panel (Plasma Display Panel, PDP) etc., become the main flow of display product gradually.
At present LCD all towards full-colorization, large scale, high resolving power and cheaply direction develop, wherein, LCD reaches the effect that colorize shows by colored filter usually.Colored filter normally framework on a transparent glass substrate, mainly dispose black matrix (Black Matrix on this transparent glass substrate in order to shading, BM) and the colored light-filtering units of arranging corresponding to each sub picture element, for example red filter unit, green filter unit and blue filter unit etc.Now detailed structure and related description about colored filter are described below respectively.
Seeing also shown in Figure 1ly, is the structural representation of existing known colored filter.This colored filter 100 mainly is to be shared electrode 108 and constituted by a substrate 102, black matrix 104a, a 104b, a plurality of colored light-filtering units 106 and, and substrate 102 can be divided into the viewing area 102a of central authorities and be centered around the non-display area 102b of 102a periphery, viewing area. Black matrix 104a, 104b are disposed on the surface of substrate 102, and wherein, black matrix 104a crosses a plurality of sub picture elements district 110, and black matrix 104b then covers the non-display area 102b that is adjacent to viewing area 102a edge.In addition, colored light-filtering units 106 is formed through processing procedures such as overexposure and developments by the photoresistance (as red photoresistance, green photoresistance and blue photoresistance etc.) of several different colours respectively, and corresponding being disposed in the sub picture element district 110 that black matrix 104 surrounded.In addition, more dispose shared electrode 108 on the surface of black matrix 104a, 104b and colored light-filtering units 106.
Please consult shown in Figure 1 again, white light source is after passing through the colored light-filtering units 106 of different colours, can be become the emergent light of different colours by filter, and the main effect of the black matrix 104a of viewing area 102a promptly is the emergent light of active zone every different colours, correlative value and colour purity when showing in the hope of improving.In addition, the black matrix 104b that covers the non-display area 102b that is adjacent to viewing area 102a edge is then avoiding light to leak outside via non-display area 102b, and then influences the display effect of LCD.
The material of early stage black matrix is generally chromium (Chromium) metal, but owing to adopt the chromium metal can cause problems such as environmental pollution as black matrix, so under the considering of environmental protection, how to replace chromium metal originally in the processing procedure now, to reach the effect of shading with black resin (Resin).Yet, since the obscurity of black resin than the chromium metal for poor, so still have part light during video picture and leak outside, and cause the problem generation of the edge light leak of viewing area via non-display area.
This shows that above-mentioned existing colored filter and manufacture method thereof still have defective, and demand urgently further being improved.In order to solve the defective of existing colored filter and manufacture method thereof, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing colored filter and manufacture method thereof exist, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of new colored filter and manufacture method thereof, can improve general existing colored filter and manufacture method thereof, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the existing defective of existing colored filter and manufacture method thereof, and provide a kind of new colored filter and manufacture method thereof, technical matters to be solved is to make it can reduce the chance of the edge light leak of viewing area, thereby be suitable for practicality more, and have the value on the industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of colored filter that the present invention proposes, it comprises at least: a substrate has a viewing area and a non-display area; One black matrix is to be disposed on this substrate, should black matrix be to cross a plurality of sub picture elements district in this viewing area, and should black matrix be to cover this non-display area that is adjacent to this edge of display area place wherein; A plurality of colored light-filtering units are that correspondence is disposed in those sub picture element districts; And a light shield layer, be configured in this non-display area of being adjacent to this edge of display area place should black matrix on.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid colored filter, the material of wherein said light shield layer be selected from group that red photoresistance, green photoresistance and blue photoresistance form one of them.
Aforesaid colored filter, wherein when this colored filter be when being applied in the display panels of multidomain vertical alignment type, more comprise a plurality of orientation projectioies, be disposed at those colored light-filtering units and should black matrix on.
Aforesaid colored filter, the material of wherein said light shield layer are identical with the material of those orientation projectioies.
Aforesaid colored filter, the material of wherein said black matrix comprises black resin.
Aforesaid colored filter, wherein said those colored light-filtering units are made of a plurality of red photoresistances unit, a plurality of green photoresistance unit and a plurality of blue photoresistances unit.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of manufacturing method of color filters that the present invention proposes, it comprises at least: provide a substrate, and this substrate has a viewing area and a non-display area; On this substrate, form a black matrix, wherein should black matrix be in this viewing area, to cross a plurality of first time of picture element region, a plurality of second time picture element region and a plurality of picture element region for the third time, and should black matrix be to cover this non-display area that is adjacent to this edge of display area place; Those form one first colored light-filtering units in picture element region for the first time at each, and form one first light shield layer on the matrix in should deceiving of this non-display area that is adjacent to this edge of display area place simultaneously; Those form one second colored light-filtering units in picture element region for the second time at each; And at each those form one the 3rd colored light-filtering units for the third time in picture element region.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid manufacturing method of color filters, it more is included in when forming this second colored light-filtering units, forms one second light shield layer on this first light shield layer.
Aforesaid manufacturing method of color filters, it more is included in when forming the 3rd colored light-filtering units, forms one the 3rd light shield layer on this second light shield layer.
Aforesaid manufacturing method of color filters, wherein after forming those the 3rd colored light-filtering units, more be included in and form a plurality of orientation projectioies on this black matrix, those first colored light-filtering units, those second colored light-filtering units and those the 3rd colored light-filtering units.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.A kind of manufacturing method of color filters according to the present invention's proposition, be applicable to the display panels of a multidomain vertical alignment type, this manufacturing method of color filters may further comprise the steps at least: provide a substrate, and this substrate has a viewing area and a non-display area; On this substrate, form a black matrix, wherein should black matrix be in this viewing area, to cross a plurality of first time of picture element region, a plurality of second time picture element region and a plurality of picture element region for the third time, and should black matrix be to cover this non-display area that is adjacent to this edge of display area place; Those form one first colored light-filtering units in picture element region for the first time at each; Those form one second colored light-filtering units in picture element region for the second time at each; Those form one the 3rd colored light-filtering units in picture element region for the third time at each; And on this black matrix, those first colored light-filtering units, those second colored light-filtering units and those the 3rd colored light-filtering units, form a plurality of orientation projectioies, and formed one first light shield layer on the matrix in should deceiving of this non-display area that is adjacent to this edge of display area place simultaneously.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid manufacturing method of color filters, it more is included in when forming this first colored light-filtering units, formed one second light shield layer on the matrix in should deceiving of this non-display area that is adjacent to this edge of display area place, and this first light shield layer can be covered on this second light shield layer.
Aforesaid manufacturing method of color filters, it more is included in when forming this second colored light-filtering units, form one the 3rd light shield layer on this second light shield layer, and this first light shield layer can be covered on the 3rd light shield layer.
Aforesaid manufacturing method of color filters, it more is included in when forming the 3rd colored light-filtering units, form one the 4th light shield layer on the 3rd light shield layer, and this first light shield layer can be covered on the 4th light shield layer.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
The present invention proposes a kind of colored filter and manufacture method thereof.At first, one substrate is provided, and this substrate has a viewing area and a non-display area, then, on substrate, form a black matrix, wherein black matrix is to cross a plurality of first time of picture element region, a plurality of second time picture element region and a plurality of picture element region for the third time in the viewing area, and black matrix is to cover the non-display area that is adjacent to the edge of display area place.Then, form one first colored light-filtering units in the picture element region for the first time, and on the black matrix of the non-display area that is adjacent to the edge of display area place, form one first light shield layer simultaneously at each.At last, in each picture element region and each corresponding at least one second colored light-filtering units and at least one the 3rd colored light-filtering units of forming in the picture element region for the third time for the second time.
In addition, in above-mentioned manufacturing method of color filters, more be included in when forming second colored light-filtering units and the 3rd colored light-filtering units, the adjoiner in non-display area and viewing area optionally forms one second light shield layer on first light shield layer or form one the 3rd light shield layer again on second light shield layer.In addition, if this colored filter is to be applied to multi-zone vertical alignment nematic (Multi-DomainVertical Alignment, MVA) during the formula display panels, after forming the 3rd colored light-filtering units, more be included in and form a plurality of orientation projectioies on black matrix, first colored light-filtering units, second colored light-filtering units and the 3rd colored light-filtering units.
Based on above-mentioned purpose, the present invention also proposes an a kind of multi-zone vertical alignment nematic (Multi-Domain Vertical Alignment, MVA) manufacturing method of color filters of formula display panels of being applied to.At first, one substrate is provided, and this substrate has a viewing area and a non-display area, then on substrate, form a black matrix, wherein black matrix is to cross a plurality of first time of picture element region, a plurality of second time picture element region and a plurality of picture element region for the third time in the viewing area, and black matrix is to cover the non-display area that is adjacent to the edge of display area place.Then, in each for the first time picture element region, each picture element region and each corresponding one first colored light-filtering units, one second colored light-filtering units and one the 3rd colored light-filtering units of forming in the picture element region for the third time for the second time.At last, on black matrix, first colored light-filtering units, second colored light-filtering units and the 3rd colored light-filtering units, form a plurality of orientation projectioies, and on the black matrix of the non-display area that is adjacent to the edge of display area place, form one first light shield layer simultaneously.
In second kind of above-mentioned manufacturing method of color filters, more be included in when forming first colored light-filtering units, on the black matrix of the non-display area that is adjacent to the edge of display area place, form one second light shield layer, and first light shield layer can be covered on second light shield layer.
In second kind of above-mentioned manufacturing method of color filters, more be included in when forming second colored light-filtering units, on the black matrix of the non-display area that is adjacent to the edge of display area place, form one the 3rd light shield layer, and first light shield layer can be covered on the 3rd light shield layer.
In second kind of above-mentioned manufacturing method of color filters, more be included in when forming the 3rd colored light-filtering units, on the black matrix of the non-display area that is adjacent to the edge of display area place, form one the 4th light shield layer, and first light shield layer can be covered on the 4th light shield layer.
Use above-mentioned two kinds of manufacturing method of color filters, just can obtain colored filter of the present invention.Colored filter of the present invention comprises a substrate, black matrix, a plurality of colored light-filtering units and a light shield layer at least.Wherein, substrate has a viewing area and a non-display area.Black matrix is to be disposed on the substrate, and its material for example is black resin, and wherein black matrix is to cross a plurality of sub picture elements district in the viewing area, and black matrix is to cover the non-display area that is adjacent to the edge of display area place.In addition, colored light-filtering units is that correspondence is disposed in the sub picture element district, and light shield layer is to be configured on the black matrix of the non-display area that is adjacent to the edge of display area place, and is adjacent to the edge of viewing area.
Accept above-mentioned, in colored filter of the present invention, colored light-filtering units is made of a plurality of red photoresistances unit, a plurality of green photoresistance unit and a plurality of blue photoresistances unit, and light shield layer is to form in the lump when forming colored light-filtering units, therefore this light shield layer can be individual layer or the structure more than the individual layer, and its material for example be selected from group that red photoresistance, green photoresistance and blue photoresistance form one of them.In addition, colored filter of the present invention also can be applicable to a multi-field vertical assigned LCD panel, wherein colored light-filtering units reaches and should for example dispose a plurality of orientation projectioies on the black matrix, and light shield layer more can be selected to form in the lump with the orientation projection, therefore its material more can be and the identical material of orientation projection except that above-mentioned chromatic photoresist.
By technique scheme, the present invention has the following advantages at least: colored filter of the present invention and manufacture method thereof are when forming colored light-filtering units or orientation projection (multiple domain vertical orientation type liquid crystal display), on the black matrix of the non-display area that is adjacent to the edge of display area place, form a light shield layer, and can improve the shaded effect of non-display area, and then can solve the problem of existing known edge of display area light leak.It should be noted that in manufacturing method of color filters of the present invention, only need change the light shield design of chromatic photoresist or orientation projection, and not need processing procedure or material are done any change, just can reach the above-mentioned purpose of improving light leak.
In sum, colored filter that the present invention is special and manufacture method thereof can reduce the chance of the edge light leak of viewing area, thereby are suitable for practicality more.It has above-mentioned many advantages and practical value, and in like product and manufacture method, do not see have similar structural design and method to publish or use and really genus innovation, no matter it all has bigger improvement on product structure, manufacture method or function, have large improvement technically, and produced handy and practical effect, and more existing colored filter and manufacture method thereof have the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the structural representation that has known colored filter now.
Fig. 2 A～Fig. 2 F is the making process flow diagram of a kind of colored filter in the preferred embodiment of the present invention in regular turn.
Fig. 3 is the structural representation of the colored filter of the foregoing description.
Fig. 4 is the synoptic diagram with colored filter of double-deck light shield layer.
Fig. 5 is the synoptic diagram with colored filter of double-deck light shield layer.
Fig. 6 is a kind of structural representation of display panels of multidomain vertical alignment type.
100: colored filter 102: substrate
102a: viewing area 102b: non-display area
104a: black matrix 104b: black matrix
106: colored light-filtering units 108: shared electrode (common electrode)
110: sub picture element grid 200: colored filter
202: substrate 202a: viewing area
202b: non-display area 204a: black matrix
204b: black matrix 208a: first colored light-filtering units
208b: the second colored light-filtering units 208c: the 3rd colored light-filtering units
210a: picture element region 210b for the first time: picture element region for the second time
210c: picture element region 212 for the third time: light shield layer
212a: light shield layer 212b: light shield layer
214: shared electrode (common electrode) 216: glue frame
218: liquid crystal 250: display panels
300: colored filter 302: substrate
302a: viewing area 302b: non-display area
304a: black matrix 304b: black matrix
308: colored light-filtering units 308a: the sub picture element district
310: orientation projection 312: light shield layer
314: shared electrode (common electrode)
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to colored filter and its concrete structure of manufacture method, manufacture method, step, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Seeing also shown in Fig. 2 A～Fig. 2 F, is the making process flow diagram of a kind of colored filter in the preferred embodiment of the present invention in regular turn.At first, shown in Fig. 2 A, provide a substrate 202, its material for example can be transparent materials such as glass or plastics, and can be divided into a viewing area 202a on the substrate 202 and around the non-display area 202b of viewing area 202a.Then see also shown in Fig. 2 B, with light tight materials such as for example black resins is material, and by processes such as exposure and developments, on substrate 202, form black matrix 204a, a 204b, wherein black matrix 204a crosses a plurality of first time of picture element region 210a, a plurality of second time picture element region 210b and a plurality of 210c of picture element region for the third time in the 202a of viewing area, and black matrix 204b covers the non-display area 202b that is adjacent to viewing area 202a edge.
Then, see also shown in the 2C, on substrate 202, form one first colorama resistance layer (not shown), and through processing procedures such as overexposure and developments, for the first time forming one first colored light-filtering units 208a in the picture element region 210a, and on the black matrix 204b of the non-display area 202b that is adjacent to viewing area 202a edge, form a light shield layer 212 simultaneously at each.
In like manner, see also shown in the 2D, on substrate 202, form one second colorama resistance layer (not shown), and behind processing procedures such as overexposure and development, form one second colored light-filtering units 208b in the picture element region 210b for the second time at each.
Then, see also shown in the 2E figure, on substrate 202, form one the 3rd colorama resistance layer (not shown), and behind processing procedures such as overexposure and development, form one the 3rd colored light-filtering units 208c in the picture element region 210c for the third time at each.
At last, see also shown in Fig. 2 F, on substrate 202, form one and share electrode 214, and cover black matrix 204a, black matrix 204b, light shield layer 212, the first colored light-filtering units 208a, the second colored light-filtering units 208b and the 3rd colored light-filtering units 208c.
Then, seeing also shown in Figure 3ly, is the structural representation of the colored filter of the foregoing description.Above-mentioned colored filter 200 just can form a display panels 250 through after 216 coatings of glue frame for example, substrate pressing and injecting step such as liquid crystal 218.Wherein, by the white light source of thin film transistor (TFT) array (array) substrate incident by liquid crystal layer 218 and after changing its light polarization direction, just respectively by the filter action of the first colored light-filtering units 208a, the second colored light-filtering units 208b and the 3rd colored light-filtering units 208c, and become emergent light with different colours.Wherein, be formed with a light shield layer 212 on the black matrix 204b of non-display area 202b, so can increase the obscurity of the non-display area 202b of colored filter 200, and then can avoid the problem of the edge light leak of viewing area 202a.
Colored filter of the present invention is when forming colored light-filtering units, on the black matrix of the non-display area that is adjacent to the edge of display area place, form a light shield layer, to reduce the transmittance of non-display area, and in not breaking away from the connotation scope of technical solution of the present invention, light shield layer is can select to form in the lump with different colored light-filtering units.Forming order with one is that the colored filter of red filter unit, green filter unit and blue filter unit is an example, and light shield layer for example can be selected to form in the lump with blue filter unit, and then its material is to be blue photoresistance.In addition, the colored filter that also can have double-deck light shield layer as shown in Figure 4, wherein when forming first colour (redness) filter unit 208a, form one first light shield layer 212 earlier, then when forming second colour (blueness) filter unit 208b, on original first light shield layer 212, form one second light shield layer 212a, and light shield layer is the double-decker that has red photoresistance and blue photoresistance simultaneously.In addition, more can be as shown in Figure 5, when forming the 3rd colour (green) filter unit 208c, form one the 3rd light shield layer 212b again on the second light shield layer 212a of previous formation, and light shield layer is the three-decker that has red photoresistance, blue photoresistance and green photoresistance simultaneously.Thus, group's one of them (as red photoresistance/blue photoresistance or red photoresistance/green photoresistance/blue photoresistance etc.) that the material of light shield layer then for example can hinder for red light, green photoresistance and blue photoresistance are formed, and the order of its combination order that also can form with colored light-filtering units or the design of light shield have multiple variation.
Except that above-mentioned preferred embodiment, colored filter of the present invention and manufacture method thereof, (Multi-Domain Vertical Alignment is MVA) in the display panels of formula more to can be applicable to a multi-zone vertical alignment nematic.See also shown in Figure 6ly, be a kind of structural representation of display panels of multidomain vertical alignment type.Colored filter 300 for example comprises a substrate 302, one black matrix 304a, 304b, a plurality of colored light-filtering units 308, a plurality of orientation projection 310, a light shield layer 312 and a shared electrode 314.Substrate 302 has a viewing area 302a and a non-display area 302b, and black matrix 304a, 304a are disposed on the substrate 302, and its material for example is black resin.Wherein, black matrix 304a crosses a plurality of sub picture elements district 308a in the 302a of viewing area, and black matrix 304b covers the non-display area 302b that is adjacent to viewing area 302a edge.
Please continue to consult shown in Figure 6 again, colored light-filtering units 308 is that correspondence is disposed in the sub picture element district 308a, and it is formed through processing procedures such as overexposure and developments by the chromatic photoresist of multiple color (as red photoresistance, green photoresistance and blue photoresistance etc.).In addition, orientation projection 310 is to be disposed on the shared electrode 314 and to be positioned at viewing area 302a, and it is formed through processing procedures such as overexposure and developments by photosensitive material.In addition, the light shield layer 312 of the colored filter 300 in the present embodiment is to form in the lump with orientation projection 310, and this light shield layer 312 is to be disposed on the shared electrode 314, and is positioned at the non-display area 302b that is adjacent to viewing area 302a edge.
It should be noted that, above-mentioned light shield layer is except that can forming in the lump with the orientation projection, it more can be as shown in first embodiment, comprise a plurality of colorama resistance layers that form colored light-filtering units, yet its relevant manufacture method and step has been exposed among the first above-mentioned embodiment, so no longer repeat to give unnecessary details at this.
In sum, colored filter of the present invention and manufacture method thereof can be improved with black resin when deceiving the material of matrix the light leak problem of the edge of display area that may cause.What deserves to be mentioned is that blue photoresistance used in the present invention is after actual verification, it has preferable shaded effect, is the ruddiness photoresistance secondly, then is the green glow photoresistance secondly again.In addition, when being applied to the display panels of a multidomain vertical alignment type, light shield layer more can be chosen in when forming the orientation projection and form in the lump, if arrange in pairs or groups above-mentioned chromatic photoresist again, the material of light shield layer can have more changeableization.By manufacturing method of color filters of the present invention, only need in the light shield design, to change, and do not need processing procedure or material are done any change, just can reach the effect of improving light leak.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (14)
1, a kind of colored filter is characterized in that it comprises at least:
One substrate has a viewing area and a non-display area;
One black matrix is to be disposed on this substrate, should black matrix be to cross a plurality of sub picture elements district in this viewing area, and should black matrix be to cover this non-display area that is adjacent to this edge of display area place wherein;
A plurality of colored light-filtering units are that correspondence is disposed in those sub picture element districts; And
One light shield layer is to be configured in being somebody's turn to do of this non-display area that is adjacent to this edge of display area place to deceive on the matrix.
2, colored filter according to claim 1, the material that it is characterized in that wherein said light shield layer be selected from group that red photoresistance, green photoresistance and blue photoresistance form one of them.
3, colored filter according to claim 1, it is characterized in that wherein when this colored filter be when being applied in the display panels of multidomain vertical alignment type, more comprise a plurality of orientation projectioies, be disposed at those colored light-filtering units and should black matrix on.
4, colored filter according to claim 3, the material that it is characterized in that wherein said light shield layer are identical with the material of those orientation projectioies.
5, colored filter according to claim 1 is characterized in that the material of wherein said black matrix comprises black resin.
6, colored filter according to claim 1 is characterized in that wherein said those colored light-filtering units are made of a plurality of red photoresistances unit, a plurality of green photoresistance unit and a plurality of blue photoresistances unit.
7, a kind of manufacturing method of color filters is characterized in that it comprises at least:
Provide a substrate, and this substrate have a viewing area and a non-display area;
On this substrate, form a black matrix, wherein should black matrix be in this viewing area, to cross a plurality of first time of picture element region, a plurality of second time picture element region and a plurality of picture element region for the third time, and should black matrix be to cover this non-display area that is adjacent to this edge of display area place;
Those form one first colored light-filtering units in picture element region for the first time at each, and form one first light shield layer on the matrix in should deceiving of this non-display area that is adjacent to this edge of display area place simultaneously;
Those form one second colored light-filtering units in picture element region for the second time at each; And
Those form one the 3rd colored light-filtering units in picture element region for the third time at each.
8, manufacturing method of color filters according to claim 7 is characterized in that it more is included in when forming this second colored light-filtering units, forms one second light shield layer on this first light shield layer.
9, manufacturing method of color filters according to claim 8 is characterized in that it more is included in when forming the 3rd colored light-filtering units, forms one the 3rd light shield layer on this second light shield layer.
10, manufacturing method of color filters according to claim 7, it is characterized in that wherein after forming those the 3rd colored light-filtering units, more be included in and form a plurality of orientation projectioies on this black matrix, those first colored light-filtering units, those second colored light-filtering units and those the 3rd colored light-filtering units.
11, a kind of manufacturing method of color filters is applicable to the display panels of a multidomain vertical alignment type to it is characterized in that this manufacturing method of color filters may further comprise the steps at least:
Provide a substrate, and this substrate have a viewing area and a non-display area;
On this substrate, form a black matrix, wherein should black matrix be in this viewing area, to cross a plurality of first time of picture element region, a plurality of second time picture element region and a plurality of picture element region for the third time, and should black matrix be to cover this non-display area that is adjacent to this edge of display area place;
Those form one first colored light-filtering units in picture element region for the first time at each;
Those form one second colored light-filtering units in picture element region for the second time at each;
Those form one the 3rd colored light-filtering units in picture element region for the third time at each; And
On this black matrix, those first colored light-filtering units, those second colored light-filtering units and those the 3rd colored light-filtering units, form a plurality of orientation projectioies, and formed one first light shield layer on the matrix in should deceiving of this non-display area that is adjacent to this edge of display area place simultaneously.
12, manufacturing method of color filters according to claim 11, it is characterized in that it more is included in when forming this first colored light-filtering units, formed one second light shield layer on the matrix in should deceiving of this non-display area that is adjacent to this edge of display area place, and this first light shield layer can be covered on this second light shield layer.
13, manufacturing method of color filters according to claim 12, it is characterized in that it more is included in when forming this second colored light-filtering units, on this second light shield layer, form one the 3rd light shield layer, and this first light shield layer can be covered on the 3rd light shield layer.
14, manufacturing method of color filters according to claim 13, it is characterized in that it more is included in when forming the 3rd colored light-filtering units, form one the 4th light shield layer on the 3rd light shield layer, and this first light shield layer can be covered on the 4th light shield layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200410000208XA CN100510884C (en) | 2004-01-05 | 2004-01-05 | Colour optical filter and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410000208XA CN100510884C (en) | 2004-01-05 | 2004-01-05 | Colour optical filter and manufacturing method thereof |
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| CN1556421A true CN1556421A (en) | 2004-12-22 |
| CN100510884C CN100510884C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200410000208XA Expired - Lifetime CN100510884C (en) | 2004-01-05 | 2004-01-05 | Colour optical filter and manufacturing method thereof |
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