CN101101401A - Shading structure, color filter substrate, active element array substrate and liquid crystal panel - Google Patents
Shading structure, color filter substrate, active element array substrate and liquid crystal panel Download PDFInfo
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- CN101101401A CN101101401A CNA2006101013339A CN200610101333A CN101101401A CN 101101401 A CN101101401 A CN 101101401A CN A2006101013339 A CNA2006101013339 A CN A2006101013339A CN 200610101333 A CN200610101333 A CN 200610101333A CN 101101401 A CN101101401 A CN 101101401A
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Abstract
The invention discloses a shading structure which is suitable for being configured on a substrate, wherein the substrate is provided with a display area and a non-display area, and the shading structure comprises a black matrix layer and a shading layer. The black matrix layer is arranged on the substrate, a plurality of sub-pixel areas are defined in the display area by the black matrix layer, and the black matrix layer covers the non-display area adjacent to the edge of the display area. The shading layer is arranged on the black matrix layer of the non-display area adjacent to the edge of the display area and is provided with at least one flow channel. The light shielding structure can be used for improving the phenomenon of light leakage at the edge of the display area of the liquid crystal panel. In the manufacturing process of the liquid crystal panel, the shading structure can also be used for avoiding the liquid crystal pollution caused by the contact between the liquid crystal and the sealant. In addition, a color filter substrate with a light shielding structure, an active device array substrate and a liquid crystal panel thereof are also provided.
Description
Technical field
The present invention is relevant for a kind of light-shielding structure, optical filtering substrate, array base palte and display panel, and be particularly to a kind of light-shielding structure (light shading structure), and colored optical filtering substrates, active component array base board and liquid crystal panel with this light-shielding structure in order to improve the light leak problem and to have liquid crystal guide functions (liquid crystal flow guider).
Background technology
Along with the development of photoelectric technology and semiconductor fabrication, the flat-panel screens (FlatPanel Display) with frivolous characteristic is also ripe thereupon.These flat-panel screens for example are LCD (LCD), organic electro-luminescent display (OLED) or plasma display (PDP), wherein, the LCD with high image quality, high spatial utilization ratio, low consumpting power, advantageous characteristic such as radiationless becomes the market mainstream gradually.
Generally speaking, LCD is made up of liquid crystal panel and module backlight (backlight module), wherein, liquid crystal panel is by active component array base board, colored optical filtering substrates, and the liquid crystal layer between two substrates is formed, and, can reach the display effect of full-colorization by colored optical filtering substrates.
Fig. 1 is the synoptic diagram of existing a kind of colored optical filtering substrates.Please refer to Fig. 1, colored optical filtering substrates 100 is made of substrate 102, black matrix 104a, 104b, a plurality of colored light-filtering units 106 and common electrode 108.Substrate 102 can be divided into viewing area 102a and be centered around the non-display area 102b of 102a periphery, viewing area. Black matrix 104a, 104b are disposed on the substrate 102, and wherein, black matrix 104a defines pixel region 110 a plurality of times in the 102a of viewing area, and black matrix 104b then covers the non-display area 102b that is adjacent to viewing area 102a edge.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 multiple different colours respectively, and correspondence is disposed in black 104 defined pixel regions of matrix 110.In addition, also dispose common electrode 108 on the surface of black matrix 104a, 104b and colored light-filtering units 106.
Refer again to Fig. 1, the main effect of the black matrix 104a of viewing area 102a is the emergent light of active zone every different colours, correlative value and colour purity when showing to improve.In addition, the black matrix 104b that covers the non-display area 102b that is adjacent to viewing area 102a edge is in order to avoid light to leak outside via non-display area 102b.
The material of early stage black matrix 104a, 104b is generally the chromium metal, and (Chromium Cr), therefore, uses the chromium metal and the black matrix 104a, the 104b that make can have preferable shaded effect.Yet the chromium metal can cause environmental pollution, so the chromium metal is disabled gradually.Under the consideration of environmental protection, use green material (greenmaterial) to become present trend, therefore, many chromium metals that replace script with resin (resin) in the processing procedure now.
But, use resin will cause another problem.Since the shaded effect of resin than the chromium metal for poor, so, still have the black matrix 104b of part light penetration non-display area 102b and leak outside, and cause in abutting connection with the problem of the non-display area 102b generation light leak of viewing area 102a.Particularly, along with the development trend of high brightness and large-sized liquid crystal panel, have in the liquid crystal indicator of module backlight of high brightness in collocation, above-mentioned light leakage phenomena will be even more serious.
In addition, when stating colored optical filtering substrates 100 making liquid crystal panel (not shown) in the use, it is a coating of liquid crystalline (not shown) on colored optical filtering substrates 100, utilizes the fluid sealant (not shown) that colored optical filtering substrates 100 and active component array base board (not shown) are binded each other afterwards again.Because liquid crystal can flow to the fluid sealant place, thus if liquid crystal touches uncured fluid sealant, will cause liquid crystal to be polluted, and reduce the quality of liquid crystal panel.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of light-shielding structure, it can solve the light leakage phenomena of liquid crystal panel at edge of display area, and prevents that liquid crystal is subjected to the pollution of fluid sealant.
Another object of the present invention provides a kind of colored optical filtering substrates, and it can solve the light leakage phenomena of the liquid crystal panel with this colored optical filtering substrates.
A further object of the present invention provides a kind of active component array base board, and it can solve the light leakage phenomena of the liquid crystal panel with this active component array base board.
Another purpose of the present invention provides a kind of liquid crystal panel, and it can solve the light leakage phenomena at edge of display area, and prevents that liquid crystal is subjected to the pollution of fluid sealant.
For reaching above-mentioned or other purposes, the present invention proposes a kind of light-shielding structure, is suitable for being disposed on the substrate, and this substrate has viewing area and non-display area, and light-shielding structure comprises black matrix layer and light shield layer.Black matrix layer is disposed on the substrate, and black matrix layer defines pixel region a plurality of times in the viewing area, and black matrix layer is to cover the non-display area that is adjacent to the edge of display area place.Light shield layer is configured on the black matrix layer of the non-display area that is adjacent to the edge of display area place, and light shield layer has at least one runner.
According to the described light-shielding structure of one embodiment of the invention, wherein the material of light shield layer is to be selected from red photoresistance, green photoresistance and blue photoresistance to form one of them.
According to the described light-shielding structure of one embodiment of the invention, wherein the material of black matrix layer comprises resin.
According to the described light-shielding structure of one embodiment of the invention, wherein light shield layer comprises one first light shield layer, one second light shield layer and one the 3rd light shield layer.Wherein, second light shield layer is disposed on first light shield layer.The 3rd light shield layer is disposed on second light shield layer.
The present invention proposes a kind of colored optical filtering substrates in addition, and this colored optical filtering substrates comprises a substrate, a light-shielding structure and a plurality of colored light-filtering units.Substrate has a viewing area and a non-display area.Light-shielding structure is disposed on the substrate, and this light-shielding structure comprises a black matrix layer and a light shield layer.Black matrix layer is disposed on the substrate, and wherein black matrix layer defines pixel region a plurality of times in the viewing area, and black matrix layer covers the non-display area that is adjacent to the edge of display area place.Light shield layer is configured on the black matrix layer of the non-display area at edge of display area place.The colored light-filtering units correspondence is disposed in these times pixel region.
According to the described colored optical filtering substrates of one embodiment of the invention, wherein light shield layer has at least one runner, is arranged in the light shield layer.
According to the described colored optical filtering substrates of one embodiment of the invention, wherein the material of light shield layer is to be selected from red photoresistance, green photoresistance and blue photoresistance to form one of them.
According to the described colored optical filtering substrates of one embodiment of the invention, wherein the material of black matrix layer comprises resin.
According to the described colored optical filtering substrates of one embodiment of the invention, wherein light shield layer comprises one first light shield layer, one second light shield layer and one the 3rd light shield layer.Wherein, second light shield layer is disposed on first light shield layer.The 3rd light shield layer is disposed on second light shield layer.
According to the described colored optical filtering substrates of one embodiment of the invention, also comprise altogether and use electrode, be disposed on the light-shielding structure and colored light-filtering units of part.
The present invention reintroduces a kind of active component array base board, and this active component array base board comprises substrate, multi-strip scanning line, many data lines, a plurality of active member, a plurality of pixel electrode, light-shielding structure and a plurality of colored light-filtering units.Substrate has viewing area and non-display area.Sweep trace and data line are disposed in the viewing area.Active member is disposed in the viewing area on the substrate, and each active member and above-mentioned sweep trace and data line electrically connect.Pixel electrode is disposed in the viewing area on the substrate, and wherein each pixel electrode electrically connects with one of above-mentioned active member respectively.Light-shielding structure is disposed on the substrate, and it comprises black matrix layer and light shield layer.Wherein, black matrix layer is disposed on the substrate, and defines pixel region in the viewing area a plurality of times, and black matrix layer covers the non-display area that is adjacent to the edge of display area place.Light shield layer is configured on the black matrix layer of the non-display area at edge of display area place.The colored light-filtering units correspondence is disposed in these times pixel region.
According to the described active component array base board of one embodiment of the invention, wherein light-shielding structure also comprises at least one runner, is arranged in the light shield layer.
According to the described active component array base board of one embodiment of the invention, wherein the material of light shield layer is to be selected from red photoresistance, green photoresistance and blue photoresistance to form one of them.
According to the described active component array base board of one embodiment of the invention, wherein the material of black matrix layer comprises resin.
According to the described active component array base board of one embodiment of the invention, wherein light shield layer comprises one first light shield layer, one second light shield layer and one the 3rd light shield layer.Wherein, second light shield layer is disposed on first light shield layer.The 3rd light shield layer is disposed on second light shield layer.
The present invention proposes a kind of liquid crystal panel again, and this liquid crystal panel comprises above-mentioned colored optical filtering substrates, an active component array base board and a liquid crystal layer.Wherein liquid crystal layer is between colored optical filtering substrates and active component array base board.
According to the described liquid crystal panel of one embodiment of the invention, also comprise a fluid sealant, between colored optical filtering substrates and active component array base board, and around light-shielding structure.In addition, light shield layer has at least one runner, is arranged in the light shield layer.
The present invention proposes a kind of liquid crystal panel again, and this liquid crystal panel comprises a said active element array substrate, a subtend substrate and a liquid crystal layer.Wherein, liquid crystal layer is between active component array base board and subtend substrate.
According to the described liquid crystal panel of one embodiment of the invention, also comprise a fluid sealant, between active component array base board and subtend substrate, and around light-shielding structure.In addition, light shield layer has at least one runner, is arranged in the light shield layer.
In light-shielding structure proposed by the invention, light shield layer is to be disposed on the black matrix layer of the non-display area at edge of display area place, and then can promote the shaded effect of non-display area.This light-shielding structure can be applicable to (the Color filter On Array of chromatic colour filter array layer on colored optical filtering substrates or the array base palte, COA) on the active component array base board, and can improve the light leakage phenomena of edge of display area with the liquid crystal panel that the active component array base board of above-mentioned colored optical filtering substrates or COA form is made.In addition, light shield layer also has at least one runner, therefore, in making the process of liquid crystal panel, can slow down the liquid crystal flowing velocity by runner, and prevents liquid crystal from contacting with uncured fluid sealant and the liquid crystal pollution that causes.
State with other purposes, feature and advantage and can become apparent on the present invention for allowing, preferred embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 is the synoptic diagram of existing a kind of colored optical filtering substrates.
Fig. 2 is the diagrammatic cross-section of a kind of light-shielding structure of the embodiment of the invention.
Fig. 2 A～2C is the schematic top plan view of the runner of Fig. 2 light-shielding structure.
Fig. 3 is the schematic top plan view of another embodiment of the present invention light-shielding structure.
Fig. 3 A is along the diagrammatic cross-section of A-A ' line among Fig. 3.
Fig. 4 is the diagrammatic cross-section of another embodiment of the present invention light-shielding structure.
Fig. 5 is the diagrammatic cross-section of a kind of colored optical filtering substrates of the embodiment of the invention.
Fig. 6 is the diagrammatic cross-section of a kind of liquid crystal panel of the embodiment of the invention.
Fig. 7 is the diagrammatic cross-section of a kind of active component array base board of the embodiment of the invention.
Fig. 8 is the diagrammatic cross-section of another embodiment of the present invention liquid crystal panel.
Embodiment
Fig. 2 is the diagrammatic cross-section of a kind of light-shielding structure of the embodiment of the invention.Fig. 2 A～2C is the schematic top plan view of the runner of Fig. 2 light-shielding structure.Please be simultaneously with reference to Fig. 2, Fig. 2 A～Fig. 2 C, light-shielding structure 200 is suitable for being disposed on the substrate 300, and this substrate 300 has viewing area 300a and non-display area 300b, and light-shielding structure 200 comprises black matrix layer 210 and light shield layer 220.Wherein, black matrix layer 210 is disposed on the substrate 300, and defines pixel region 210a in the 300a of viewing area a plurality of times, and this black matrix layer 210 covers the non-display area 300b that is adjacent to viewing area 300a edge.Light shield layer 220 is disposed on the black matrix layer 210 of the non-display area 300b that is adjacent to viewing area 300a edge, and light shield layer 220 has at least one runner 222.
Referring again to Fig. 2, in one embodiment, the material of substrate 300 for example is glass, quartz or flexible materials.In addition, the material of black matrix layer 210 for example is resin or other suitable materials, so the material that black matrix layer 210 is used can meet the demand of environmental protection.It should be noted that, light shield layer 220 is disposed on the black matrix layer 210 of the non-display area 300b of viewing area 300a edge, so can promote the shaded effect of non-display area 300a, also promptly, the optical density (OD) value (optical density) that is provided with the black matrix layer 210 of light shield layer 220 among the non-display area 300b can reach more than 4.8.In addition, in one embodiment, the material of light shield layer 220 for example is to be selected from red photoresistance, green photoresistance and blue photoresistance to form one of them.
Particularly, the light shield layer 220 of this light-shielding structure 200 has runner 222, and its pattern for example is shown in Fig. 2 A～Fig. 2 C.Certainly, the present invention does not limit the pattern of runner 222.The effect of runner 222 is as described below.In making the process of liquid crystal panel, because the guide functions of runner 222 can be slowed down the speed that liquid crystal flows, the liquid crystal pollution that causes so can avoid liquid crystal to contact with uncured fluid sealant (not shown).
In above-mentioned light-shielding structure 200, light shield layer 220 is the individual layer rete.Yet light shield layer 220 is not defined as the individual layer rete.In embodiment described as follows, light shield layer also can be stratified films two-layer or more than three layers.Except more preferably promoting the shaded effect, in the process of making liquid crystal panel, also can slow down flow of liquid crystal speed effectively.
Fig. 3 is the schematic top plan view of another embodiment of the present invention light-shielding structure.Fig. 3 A is along the diagrammatic cross-section of A-A ' line among Fig. 3.Please be simultaneously with reference to Fig. 3 and Fig. 3 A, light-shielding structure 200a is similar to above-mentioned light-shielding structure 200, and both do not exist together is that light shield layer 220a shown in Figure 3 is made up of the first light shield layer 220a1 and the second light shield layer 220a2.It should be noted that and also have a plurality of runners 222 among this light-shielding structure 200a.Therefore, the light-shielding structure 200a that two-layer above light shield layer 220a1,220a2 formed, except promoting the shaded effect, in the manufacturing process of liquid crystal panel, flow of liquid crystal speed is slowed down on the slope (as shown in Figure 3A) that also can utilize the water conservancy diversion effect of runner 222 and multilayer light shield layer to pile up and form.So, can prolong the time that liquid crystal flows to the fluid sealant (not shown), and avoid liquid crystal to be subjected to the pollution of uncured fluid sealant.
Fig. 4 is the diagrammatic cross-section of another embodiment of the present invention light-shielding structure.Please refer to Fig. 4, light-shielding structure 200b and above-mentioned light-shielding structure 200,200a are similar, and it also has the runner 222 that is illustrated as Fig. 2 A～2C, Fig. 3 etc.Both do not exist together is that as shown in Figure 4 light shield layer 220b comprises the first light shield layer 220b1, the second light shield layer 220b2 and the 3rd light shield layer 220b3.The second light shield layer 220b2 is disposed on the first light shield layer 220b1, and the 3rd light shield layer 220b3 is disposed on the second light shield layer 220b2.Whereby, can more preferably promote the shaded effect of light-shielding structure 200b, and slow down flow of liquid crystal speed.
Hold above-mentionedly, in this embodiment, the material of the first light shield layer 220b1 for example is red photoresistance, and the material of the second light shield layer 220b2 for example is green photoresistance, and the material of the 3rd light shield layer 220b3 for example is blue photoresistance.Because the first light shield layer 220b1, the second light shield layer 220b2 and the 3rd light shield layer 220b3 adopt the photoresistance of three kinds of different colours respectively, no matter so the light that is leaked out from the black matrix layer 210 at 300a edge, viewing area which kind of color partially all can be covered by light shield layer 220b.Certainly, the material of the first light shield layer 220b1, the second light shield layer 220b2 and the 3rd light shield layer 220b3 can be to be selected from red photoresistance, green photoresistance or blue photoresistance arbitrarily, do not limit the first light shield layer 22,0b1 one and be decided to be the red light resistance, the second light shield layer 22,0b2 one is decided to be the green light resistance, and the 3rd light shield layer 22,0b3 one is decided to be the blue light resistance.
It should be noted that above-mentioned light-shielding structure 200,200a, 200b all can be applicable in the member of liquid crystal panel, as be applied on the active component array base board of colored optical filtering substrates or COA form.Light-shielding structure 200,200a, 200b can avoid the edge of display area of liquid crystal panel light leakage phenomena to occur, and can prevent that liquid crystal from contacting with uncured fluid sealant and the liquid crystal pollution that causes.Below be example with light-shielding structure 200b, the structure and the advantage of colored optical filtering substrates, active component array base board and liquid crystal panel with light-shielding structure 200b is described.
Fig. 5 is the diagrammatic cross-section of a kind of colored optical filtering substrates of the embodiment of the invention.Please refer to Fig. 5, colored optical filtering substrates 400 comprises substrate 300, light-shielding structure 200b and a plurality of colored light-filtering units 410, wherein, light-shielding structure 200b is light-shielding structure 200b shown in Figure 4, certainly it also can be light-shielding structure 200, the 200a that illustrates as Fig. 2, Fig. 3 A, and its detailed structure is not repeated at this.Colored light-filtering units 410 correspondences are disposed in time pixel region 210a.
It should be noted that colored optical filtering substrates 400 is on the black matrix 210 of non-display area 300b light shield layer 220b to be set, to promote the shaded effect of colored optical filtering substrates 400 at non-display area 300b.
In addition, in one embodiment, the light-shielding structure 200b of colored optical filtering substrates 400 can comprise at least one runner 222, be arranged among the light shield layer 220b, the pattern of this runner 222 can be as shown in Fig. 2 A～Fig. 2 C, Fig. 3 etc., still, also can be other patterns arbitrarily.
The material of the substrate 300 of present embodiment, black matrix 210, light shield layer 220b etc. is not repeated at this as hereinbefore yet.It should be noted that colored light-filtering units 410 for example comprises ruddiness filter unit 412, green glow filter unit 414 and blue light filter unit 416, and its material is respectively red photoresistance, green photoresistance and blue photoresistance, identical with the material of light shield layer 220b.That is to say that light shield layer 220b as shown in Figure 5 utilizes the processing procedure of making colored light-filtering units 410 to make.
More specifically, when forming ruddiness filter unit 412, green glow filter unit 414 and blue light filter unit 416 respectively, pile up the first light shield layer 220b1, the second light shield layer 220b2 and the 3rd light shield layer 220b3 on the black matrix 210 in non-display area 300b in regular turn, and form light shield layer 220b.Therefore, making light shield layer 220b does not need to increase extra process apparatus or light shield, so its production cost can not increase.In addition, the order of the first light shield layer 220b1, the second light shield layer 220b2 and the 3rd light shield layer 220b3 combination also can have multiple variation with the order of colored light-filtering units 410 formation or the design of light shield, and also not limiting it will form simultaneously with colored light-filtering units 410.
Please continue with reference to Fig. 5, colored optical filtering substrates 400 also comprises uses electrode 420, this common electrode 420 to be disposed on the light-shielding structure 200b and colored light-filtering units 410 of part altogether.In one embodiment, the material of common electrode 420 can be indium tin oxide (indium tin oxide, ITO), indium-zinc oxide (indium zinc oxide, IZO) or other transparent conductive materials.Utilize colored optical filtering substrates 400 as shown in Figure 5 can be produced as follows described liquid crystal panel 500.
Fig. 6 is the diagrammatic cross-section of a kind of liquid crystal panel of the embodiment of the invention.Please refer to Fig. 6, this liquid crystal panel 500 comprises above-mentioned colored optical filtering substrates 400 (as shown in Figure 5), active component array base board 510 and liquid crystal layer 520.Wherein, liquid crystal layer 520 is disposed between colored optical filtering substrates 400 and the active component array base board 510.
In one embodiment, liquid crystal panel 500 comprises a fluid sealant 530, and this fluid sealant 530 is disposed between colored optical filtering substrates 400 and the active component array base board 510, and around light-shielding structure 200b.Particularly, light-shielding structure 200b has at least one runner 222 (shown in Fig. 2 A～2C, Fig. 3 etc.).
In the process that above-mentioned liquid crystal panel 500 forms, colored optical filtering substrates 400 need through fluid sealant 530 coatings, inject liquid crystal and form liquid crystal layer 520 and with step such as active component array base board 510 pressings, to obtain liquid crystal panel 500.Wherein, after the injection liquid crystal was to colored optical filtering substrates 400, liquid crystal can spread gradually, and the liquid crystal of part can flow toward the direction of arrow shown in Figure 6.It should be noted that because light-shielding structure 200b has a plurality of runners 222 (shown in Fig. 2 A～2C, Fig. 3 etc.),, and prolong the time that liquid crystal flows to fluid sealant 530 so when liquid crystal flowed to light-shielding structure 200b, liquid crystal can be led in the runner 222.
In addition,, therefore, utilize the formed slope of light-shielding structure 200b also can stop flow of liquid crystal, and then prolong liquid crystal and flow to the required time of fluid sealant 530 because light-shielding structure 200b is stratified film.Thus, liquid crystal is before touching fluid sealant 530, and fluid sealant 530 has cured, so can avoid liquid crystal to contact the liquid crystal pollution that is caused with uncured fluid sealant 530.And the liquid crystal panel 500 with light-shielding structure 200b can improve the problem that light leak appears in 300a edge, viewing area.
Similarly, above-mentioned light-shielding structure 200b also can be used to make the active component array base board of COA form.Fig. 7 is the diagrammatic cross-section of a kind of active component array base board of the embodiment of the invention.Please refer to Fig. 7, active component array base board 600 comprises substrate 300, multi-strip scanning line 612, many data lines 614, a plurality of active member 616, a plurality of pixel electrode 618, above-mentioned light-shielding structure 200b and a plurality of colored light-filtering units 410.Wherein, substrate 300 as hereinbefore.Sweep trace 612 is disposed in the 300a of viewing area with data line 614.Active member 616 is disposed in the viewing area 300a on the substrate 300, and each active member 616 electrically connects with sweep trace 612 and data line 614.Pixel electrode 618 is disposed in the viewing area 300a on the substrate 300, and wherein each pixel electrode 618 electrically connects with active member 616 respectively.The structure of light-shielding structure 200b as hereinbefore, it is disposed at the top of substrate 300.Colored light-filtering units 410 correspondences are disposed in a plurality of the pixel region 210a that black matrix 210 defines in the 300a of viewing area.
Hold above-mentionedly, the material of substrate 300, light shield layer 220b, colored light-filtering units 410 all as hereinbefore.And the material of sweep trace 612 and data line 614 can be a kind of in aluminium, chromium, aluminium alloy, evanohm and the combination thereof or other suitable conductive materials.Active member 616 for example is thin film transistor (TFT) or other have the on-off element of three terminals.The material of pixel electrode 618 can be one of indium tin oxide, indium-zinc oxide, metal, above-mentioned material combination or other suitable materials.The material of black matrix layer 210 for example is resin or other suitable materials.
What deserves to be mentioned is, dispose colored light-filtering units 410 and light-shielding structure 200b on the active component array base board 600, be that active component array base board 600 is the structures that adopt COA (color filter on array), therefore, active component array base board 600 itself just has the function of optical filtering.In addition,, can have a flatness layer 620 on the active component array base board 600, above-mentioned colored light-filtering units 410 and light-shielding structure 200b are arranged on the flatness layer 620 referring again to Fig. 7.
In addition, in one embodiment, the light-shielding structure 200b of active component array base board 600 can comprise at least one runner 222, and it is arranged among the light shield layer 220b.The pattern of this runner 222 can be as shown in Fig. 2 A～Fig. 2 C, Fig. 3 etc., still, also can be other patterns arbitrarily.Similarly, utilize active component array base board 600 as shown in Figure 7 can be produced as follows described liquid crystal panel 700.
Fig. 8 is the diagrammatic cross-section of another embodiment of the present invention liquid crystal panel.Please refer to Fig. 8, this liquid crystal panel 700 comprises said active element array substrate 600 (as shown in Figure 7), subtend substrate 710 and liquid crystal layer 520.Wherein, liquid crystal layer 520 is disposed between active component array base board 600 and the subtend substrate 710.
In one embodiment, liquid crystal panel 700 comprises fluid sealant 530, and this fluid sealant 530 is disposed between active component array base board 600 and the subtend substrate 710, and around light-shielding structure 200b.Particularly, light-shielding structure 200b has at least one runner 222 (shown in Fig. 2 A～2C, Fig. 3 etc.).In addition, subtend substrate 710 comprises substrate 712 and is disposed at common electrode 714 on the substrate 712.
In the process that above-mentioned liquid crystal panel 700 forms, active component array base board 600 need through fluid sealant 530 coatings, inject liquid crystal with form liquid crystal layer 520 and with step such as subtend substrate 710 pressings, and form liquid crystal panel 700.Described as foregoing liquid crystal panel 500, light-shielding structure 200b can improve 300a edge, viewing area and the problem of light leak occur, and slows down the liquid crystal flowing velocity, and then avoids liquid crystal to contact the liquid crystal pollution that is caused with uncured fluid sealant 530.
In sum, light-shielding structure, colored optical filtering substrates, active component array base board and liquid crystal panel proposed by the invention have following advantage at least:
(1) utilization is disposed light shield layer on the black matrix layer of adjacency edge of display area place non-display area, can increase the shaded effect of the black matrix of non-display area.Also promptly, the liquid crystal panel that utilizes colored optical filtering substrates with this light-shielding structure or active component array base board to make will not be prone to the phenomenon of edge light leak.
(2) light-shielding structure has stratified film and has a plurality of runners.When utilization has the colored optical filtering substrates of this light-shielding structure or active component array base board when making liquid crystal panel, liquid crystal will be led in the runner, and light-shielding structure also can stop flow of liquid crystal, diffuses to the required time of fluid sealant and prolong liquid crystal.Therefore, fluid sealant can have time enough to solidify, and liquid crystal can not contacted with uncured fluid sealant, is polluted to avoid liquid crystal.
(3) making of light-shielding structure, colored optical filtering substrates, active component array base board and liquid crystal panel proposed by the invention need not increase extra process apparatus or light shield, so its production cost can not increase.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those of ordinary skills, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when with being as the criterion that claim was defined.
Claims (21)
1. a light-shielding structure is suitable for being disposed on the substrate, and this substrate has a viewing area and a non-display area, and this light-shielding structure comprises:
One black matrix layer is disposed on this substrate, and should black matrix layer defines a plurality of times pixel region in this viewing area, and should black matrix layer be to cover this non-display area that is adjacent to this edge of display area place; And
One light shield layer is configured in being somebody's turn to do of this non-display area that is adjacent to this edge of display area place and deceives on the matrix layer, and this light shield layer has at least one runner.
2. light-shielding structure as claimed in claim 1 is characterized in that, the material of this light shield layer is to be selected from red photoresistance, green photoresistance and blue photoresistance to form one of them.
3. light-shielding structure as claimed in claim 1 is characterized in that the material of this black matrix layer comprises resin.
4. light-shielding structure as claimed in claim 1 is characterized in that, this light shield layer comprises:
One first light shield layer;
One second light shield layer is disposed on this first light shield layer; And
One the 3rd light shield layer is disposed on this second light shield layer.
5. colored optical filtering substrates comprises:
One substrate has a viewing area and a non-display area;
One light-shielding structure is disposed on this substrate, and this light-shielding structure comprises:
One black matrix layer is disposed on this substrate, wherein should black matrix layer define a plurality of times pixel region in this viewing area, and should black matrix layer cover this non-display area that is adjacent to this edge of display area place;
One light shield layer is configured in abutting connection with being somebody's turn to do of this non-display area at this edge of display area place and deceives on the matrix layer; And
A plurality of colored light-filtering units, correspondence are disposed in those times pixel region.
6. colored optical filtering substrates as claimed in claim 5 is characterized in that this light shield layer has at least one runner.
7. colored optical filtering substrates as claimed in claim 5 is characterized in that, the material of this light shield layer is to be selected from red photoresistance, green photoresistance and blue photoresistance to form one of them.
8. colored optical filtering substrates as claimed in claim 5 is characterized in that the material of this black matrix layer comprises resin.
9. colored optical filtering substrates as claimed in claim 5 is characterized in that, this light shield layer comprises:
One first light shield layer;
One second light shield layer is disposed on this first light shield layer; And
One the 3rd light shield layer is disposed on this second light shield layer.
10. colored optical filtering substrates as claimed in claim 5 is characterized in that, also comprises altogether and uses electrode, is disposed on this light-shielding structure of part and those colored light-filtering units.
11. an active component array base board comprises:
One substrate has a viewing area and a non-display area;
Multi-strip scanning line and data line are disposed in this viewing area;
A plurality of active members are disposed in this viewing area on this substrate, and one of one of each active member and those sweep traces and those data lines electrically connect;
A plurality of pixel electrodes are disposed in the viewing area on this substrate, and wherein each pixel electrode electrically connects with one of those active members respectively;
One light-shielding structure is disposed on this substrate, and this light-shielding structure comprises:
One black matrix layer is disposed on this substrate, wherein should black matrix layer define a plurality of times pixel region in this viewing area, and should black matrix layer be to cover this non-display area that is adjacent to this edge of display area place;
One light shield layer is configured in being somebody's turn to do of this non-display area that is adjacent to this edge of display area place and deceives on the matrix layer; And
A plurality of colored light-filtering units, correspondence are disposed in those times pixel region.
12. active component array base board as claimed in claim 11 is characterized in that, this light shield layer has at least one runner.
13. active component array base board as claimed in claim 11 is characterized in that, the material of this light shield layer is to be selected from red photoresistance, green photoresistance and blue photoresistance to form one of them.
14. active component array base board as claimed in claim 11 is characterized in that, the material of this black matrix layer comprises resin.
15. active component array base board as claimed in claim 11 is characterized in that, this light shield layer comprises:
One first light shield layer;
One second light shield layer is disposed on this first light shield layer; And
One the 3rd light shield layer is disposed on this second light shield layer.
16. a liquid crystal panel comprises:
One colored optical filtering substrates as claimed in claim 5;
One active component array base board; And
One liquid crystal layer is between this colored optical filtering substrates and this active component array base board.
17. liquid crystal panel as claimed in claim 16 is characterized in that, also comprises a fluid sealant, between this colored optical filtering substrates and this active component array base board, and around this light-shielding structure.
18. liquid crystal panel as claimed in claim 17 is characterized in that, this light shield layer has at least one runner.
19. a liquid crystal panel comprises:
One active component array base board as claimed in claim 11;
One subtend substrate; And
One liquid crystal layer is between this active component array base board and this subtend substrate.
20. liquid crystal panel as claimed in claim 19 is characterized in that, also comprises a fluid sealant, between this active component array base board and this subtend substrate, and around this light-shielding structure.
21. liquid crystal panel as claimed in claim 20 is characterized in that, this light shield layer has at least one runner.
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| CNB2006101013339A CN100495157C (en) | 2006-07-07 | 2006-07-07 | Shading structure, color filter substrate, active element array substrate and liquid crystal panel |
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| CNB2006101013339A CN100495157C (en) | 2006-07-07 | 2006-07-07 | Shading structure, color filter substrate, active element array substrate and liquid crystal panel |
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| CN100495157C CN100495157C (en) | 2009-06-03 |
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