CN101419303B - Colourful filtering substrate, making method thereof and liquid crystal display panel - Google Patents
Colourful filtering substrate, making method thereof and liquid crystal display panel Download PDFInfo
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- CN101419303B CN101419303B CN2007101669056A CN200710166905A CN101419303B CN 101419303 B CN101419303 B CN 101419303B CN 2007101669056 A CN2007101669056 A CN 2007101669056A CN 200710166905 A CN200710166905 A CN 200710166905A CN 101419303 B CN101419303 B CN 101419303B
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Abstract
The invention relates to a colorful filter substrate, which comprises a substrate, a black matrix layer, a first filter layer and a second filter layer. The black matrix layer is arranged on the substrate, and divides the substrate into a plurality of pixel regions, wherein each pixel region comprises a first sub-pixel region and a second sub-pixel region; the first filter layer and the second filter layer are all arranged in the pixel regions and the second filter layer covers the first filter layer; and the refractive index of the second filter layer is larger than that of the first filter layer, so that the light emergent direction of the first sub-pixel region is different from that of the second sub-pixel region. Besides, the invention also provides a manufacturing method for the color filter substrate and a liquid crystal display panel provided with the colorful filter substrate, thus the liquid crystal display panel with bidirectional display effect is easy to manufacture.
Description
Technical field
The invention relates to the manufacture method and the display panel of a kind of optical filtering substrate, optical filtering substrate, and particularly relevant for the manufacture method and the display panels of a kind of colored optical filtering substrates, colored optical filtering substrates.
Background technology
In recent years, development trend along with 3D image display technique (3D image display) and two-way display technique (dualview), in the field of lcd technology, also develop the liquid crystal indicator that the many 3D of demonstration images and can carry out two-way demonstration gradually.
In the 3D display technique, mainly be to allow an observer's right and left eyes see different image informations, two-way display technique then is that the image information seen of control left half of visual angle and right half of visual angle is different, watches so that different users to be provided.Two technology all are that the light of wishing the control specific pixel penetrates angle.
Figure 1A illustrates the synoptic diagram into existing a kind of 3D LCD.Figure 1B illustrates the synoptic diagram into existing a kind of two-way demonstration LCD.Please jointly with reference to Figure 1A and Figure 1B, two LCD 100,102 all are that disparity barrier 120 (parallax barrier) is set in pixel 110 the place aheads, block the light of some angle, so that the pixel difference that same observer's right and left eyes is seen, and cause the stereopsis effect; Or, make the user in left side different, and cause two-way display effect with the video pictures that the user watched on right side.
Fig. 2 illustrates the synoptic diagram into existing another kind of 3D LCD.Please refer to Fig. 2, this LCD 200 has first substrate 210 and second substrate 220.Toroidal lens 230 is made in utilization on second substrate 220, and makes each toroidal lens 230 corresponding each pixel 240 and dispose, and then control is through the ray refraction angle of pixel 240.So, can make right and left eyes see different pixel 240, and then can on different pixels 240, edit respectively the information that will observe to right and left eyes.
Yet, utilizing the LCD 100,102 of disparity barrier 120 as shown in Figure 1, disparity barrier 120 will stop most light, and the brightness of display frame is descended.
In addition, the toroidal lens 230 of 3D LCD 200 as shown in Figure 2 is to be produced on second substrate 220, and toroidal lens 230 needs corresponding each pixel 240 and is provided with.Therefore, in manufacturing process, need quite high aligning accuracy, can be on correct position and the angle of control beam projecting to guarantee each toroidal lens 230.
Because toroidal lens 230 manufacture difficulty are higher, and between also difficult and each pixel 240 good aligning accuracy is arranged,, also make production cost be difficult to reduce so the making of this kind LCD 200 is difficulty quite.
Summary of the invention
In view of this, the invention provides a kind of colored optical filtering substrates, can change the beam projecting direction of each subpixel area, stereopsis shows and the effect of two-way demonstration and reach.
The invention provides a kind of method for making of colored optical filtering substrates, can simplify fabrication steps, and reduce cost of manufacture.
The invention provides a kind of display panels, it has above-mentioned colored optical filtering substrates, and stereopsis shows and the effect of two-way demonstration and can easily reach.
Based on above-mentioned, the present invention proposes a kind of colored optical filtering substrates, comprises substrate, black matrix layer, first filter layer and second filter layer.Black matrix layer is disposed on the substrate, and this black matrix layer marks off most pixel regions on substrate, and wherein each pixel region comprises one first sub-pixel area and one second sub-pixel area.First filter layer and second filter layer all are disposed in the pixel region, and second filter layer is covered on first filter layer, wherein, the refractive index of second filter layer is greater than the refractive index of first filter layer, so that the beam projecting direction of first sub-pixel area is different with the beam projecting direction of second sub-pixel area.
In colored optical filtering substrates of the present invention, the section shape of the first above-mentioned filter layer for example is a triangle.
In colored optical filtering substrates of the present invention, the section shape of the second above-mentioned filter layer for example is a triangle.
In colored optical filtering substrates of the present invention, above-mentioned substrate comprises that also section is a leg-of-mutton majority groove, and first filter layer, second filter layer and black matrix layer are arranged in each groove.
In colored optical filtering substrates of the present invention, the first above-mentioned filter layer comprises chromatic filter layer or transparent chromatograph.
In colored optical filtering substrates of the present invention, the second above-mentioned filter layer comprises chromatic filter layer or transparent chromatograph.
The present invention reintroduces a kind of method for making of colored optical filtering substrates, comprises the following steps.At first, provide a substrate.Then, form black matrix layer on substrate, and this black matrix layer marks off most pixel regions on substrate, wherein each pixel region comprises one first sub-pixel area and one second sub-pixel area.Come again, in pixel region, form one first filter layer.Afterwards, in pixel region, form one second filter layer, and second filter layer is covered on first filter layer, wherein, the refractive index of second filter layer is greater than the refractive index of first filter layer, so that the beam projecting direction of first sub-pixel area is different with the beam projecting direction of second sub-pixel area.
In the method for making of colored optical filtering substrates of the present invention, the above-mentioned method that forms first filter layer in pixel region comprises the following steps.At first, in first sub-pixel area, form first filter layer.Then, toward clockwise direction inclination substrate, make the section of first filter layer in first sub-pixel area become triangle.Then, in second sub-pixel area, form first filter layer.Afterwards, toward the substrate that counterclockwise tilts, make the section of first filter layer in second sub-pixel area become triangle.
In the method for making of colored optical filtering substrates of the present invention, the above-mentioned method that forms second filter layer in pixel region comprises the following steps.At first, in first sub-pixel area, form second filter layer.Then, toward clockwise direction inclination substrate, make the section of second filter layer in first sub-pixel area become triangle.Then, in second sub-pixel area, form second filter layer.Afterwards, toward the substrate that counterclockwise tilts, make the section of second filter layer in second sub-pixel area become triangle.
In the method for making of colored optical filtering substrates of the present invention, also being included in and forming section on the substrate is leg-of-mutton most groove, and first filter layer, second filter layer and black matrix layer are formed in each groove.
In the method for making of colored optical filtering substrates of the present invention, the first above-mentioned filter layer comprises chromatic filter layer or transparent chromatograph.
In the method for making of colored optical filtering substrates of the present invention, the second above-mentioned filter layer comprises chromatic filter layer or transparent chromatograph.
In the method for making of colored optical filtering substrates of the present invention, the above-mentioned method that forms first filter layer and second filter layer in pixel region comprises ink-jet method.
The present invention proposes a kind of display panels again, comprises colored optical filtering substrates, active component array base board and liquid crystal layer.Colored optical filtering substrates comprises substrate, black matrix layer, first filter layer and second filter layer.Black matrix layer is disposed on the substrate, and black matrix layer marks off most pixel regions on substrate, and wherein each pixel region comprises one first sub-pixel area and one second sub-pixel area.First filter layer and second filter layer all are disposed in the pixel region.Second filter layer is covered on first filter layer, and wherein, the refractive index of second filter layer is greater than the refractive index of first filter layer, so that the beam projecting direction of first sub-pixel area is different with the beam projecting direction of second sub-pixel area.Active component array base board is disposed at the subtend of colored optical filtering substrates.Liquid crystal layer is arranged between colored optical filtering substrates and the active component array base board.
In display panels of the present invention, the section shape of the first above-mentioned filter layer for example is a triangle.
In display panels of the present invention, the section shape of the second above-mentioned filter layer for example is a triangle.
In display panels of the present invention, above-mentioned substrate comprises that also section is a leg-of-mutton majority groove, and first filter layer, second filter layer and black matrix layer are arranged in each groove.
In display panels of the present invention, the first above-mentioned filter layer comprises chromatic filter layer or transparent chromatograph.
In display panels of the present invention, the second above-mentioned filter layer comprises chromatic filter layer or transparent chromatograph.
In colored optical filtering substrates of the present invention, each pixel region comprises first sub-pixel area and one second sub-pixel area.In each pixel region, be provided with the first different filter layer of refractive index and second filter layer, and one of them filter layer has specific section shape.Therefore, can control the beam projecting direction of first sub-pixel area and second sub-pixel area through the principle of total reflection.In addition, the method for making of this colored optical filtering substrates is very simple, can simplify processing procedure effectively and reduce cost of manufacture.And,, can easily make display panels obtain stereopsis and show or the effect of two-way demonstration by colored optical filtering substrates is applied in the display panels.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Figure 1A illustrates the synoptic diagram into existing a kind of 3D LCD.
Figure 1B illustrates the synoptic diagram into existing a kind of two-way demonstration LCD.
Fig. 2 illustrates the synoptic diagram into existing another kind of 3D LCD.
Fig. 3 A illustrates the diagrammatic cross-section into the colored optical filtering substrates of first embodiment of the invention.
Fig. 3 B illustrates the amplification profile synoptic diagram into the pixel region of Fig. 3 A.
Fig. 4 illustrates the diagrammatic cross-section into the colored optical filtering substrates of second embodiment of the invention.
Fig. 5 illustrates the diagrammatic cross-section into the colored optical filtering substrates of third embodiment of the invention.
Fig. 6 A～Fig. 6 D illustrates the steps flow chart synoptic diagram into the method for making of a kind of colored optical filtering substrates of preferred embodiment of the present invention.
Fig. 7 illustrates the diagrammatic cross-section into a kind of display panels of preferred embodiment of the present invention.
The main element symbol description:
100,102,200: LCD
110,240: pixel
120: disparity barrier
210: the first substrates
220: the second substrates
230: toroidal lens
300,302,304,420: colored optical filtering substrates
310: substrate
312: groove
320: black matrix layer
330: the first filter layers
330R: red filter layer
330G: green filter layer
330B: blue color filter layer
340: the second filter layers
350: pixel region
352: the first sub-pixel area
354: the second sub-pixel area
400: display panels
410: active component array base board
430: liquid crystal layer
A1, A2, B1, B2: light
Embodiment
In following embodiment, a kind of colored optical filtering substrates and manufacture method thereof have been described, and the display panels with this colored optical filtering substrates.By the principle of total reflection and the shooting angle during may command light transmission pixel, and then make right and left eyes see different image informations, and produce stereoscopic visual effect.Following content only is for example, and is not in order to limit the present invention.
Colored optical filtering substrates
First embodiment
Fig. 3 A illustrates the diagrammatic cross-section into the colored optical filtering substrates of first embodiment of the invention.Please refer to Fig. 3 A, this colored optical filtering substrates 300 comprises substrate 310, black matrix layer 320, first filter layer 330 and second filter layer 340.Black matrix layer 320 is disposed on the substrate 310, and this black matrix layer 320 marks off most pixel regions 350 on substrate 310, and wherein each pixel region 350 comprises one first sub-pixel area 352 and one second sub-pixel area 354.First filter layer 330 and second filter layer 340 all are disposed in the pixel region 350, and second filter layer 340 covers first filter layer 330, wherein, the refractive index of second filter layer 340 is greater than the refractive index of first filter layer 330, so that the beam projecting direction of first sub-pixel area 352 is different with the beam projecting direction of second sub-pixel area 354.
Please continue the A with reference to Fig. 3, first filter layer 330 can be chromatic filter layer or transparent chromatograph.And second filter layer 340 also can be chromatic filter layer or transparent chromatograph.
In the present embodiment, first filter layer 330 for example is transparent chromatograph, and particularly, the section shape of first filter layer 330 for example is a triangle.After forming first filter layer 330, continue to make second filter layer 340.This second filter layer 340 for example is a chromatic filter layer, and can be made up of red filter layer 340R, green filter layer 340G and blue color filter layer 340B.Certainly, the present invention does not limit the formation color combination and the arrangement mode of second filter layer 340.That is to say that first filter layer 330 can be chromatic filter layer or transparent chromatograph.And second filter layer 340 also can be chromatic filter layer or transparent chromatograph.Focus on, the state that only needs both are configured to take place total reflection gets final product.
Fig. 3 B illustrates the amplification profile synoptic diagram into the pixel region of Fig. 3 A.Hold above-mentionedly, make light produce total reflection and must satisfy following two conditions: (1) light is by the big little medium of medium directive refractive index of refractive index.(2) incident angle of light is greater than critical angle.
Please refer to Fig. 3 B, light source (not illustrating) is actually the below that is positioned at colored optical filtering substrates 300.Therefore, light A1, A2 be from the big medium of refractive index (the second filter layer 340) medium that the directive refractive index is little (first filter layer 330), still, light A1, A2 towards the incident angle of first filter layer 330 less than critical angle, so light A1, A2 can't produce total reflection.That is light A1, A2 continue by first filter layer 330 and toward the different directions outgoing after filtering via second filter layer 340.
In addition, light B1, B2 are from the big medium of refractive index (the second filter layer 340) medium that the directive refractive index is little (first filter layer 330), but, light B1, B2 towards the incident angle of first filter layer 330 greater than critical angle, so, light B1, B2 produce total reflection at first filter layer 330, and part light B1, B2 also can reflex to black matrix layer 320 and be absorbed.
More specifically, the light B2 toward left direction in first sub-pixel area 352 will produce total reflection at first filter layer, 330 places, and part light B2 can be absorbed by black matrix layer 320.In addition, the light B1 of the direction of turning right in second sub-pixel area 354 can produce total reflection at first filter layer, 330 places, and part light B1 can be absorbed by black matrix layer 320.So the light B1 of the light B2 of first sub-pixel area 352 and second sub-pixel area 354 can't influence each other.
Hold above-mentionedly, in this colored optical filtering substrates 300, utilize the principle of total reflection, make the sub-pixel area 352 of winning different with the exit direction of light A1, the A2 of second sub-pixel area 354.Therefore, user's right and left eyes can be observed different image informations, so as to producing stereoscopic visual effect.In addition, after suitably adjusting design parameter, two sides' user observes different image informations about also can making, and reaches the function of two-way demonstration.
Second embodiment
Fig. 4 illustrates the diagrammatic cross-section into the colored optical filtering substrates of second embodiment of the invention.Please refer to Fig. 4, this colored optical filtering substrates 302 is similar with the colored optical filtering substrates 300 of the foregoing description, only illustrates that at this difference is as follows.
In the present embodiment, first filter layer 330 for example is a chromatic filter layer, that is first filter layer 330 can be made up of red filter layer 330R, green filter layer 330G and blue color filter layer 330B.Certainly, the present invention does not limit the formation color combination and the arrangement mode of first filter layer 330.In addition, second filter layer 340 for example is transparent chromatograph, and particularly, the section shape of second filter layer 340 is a triangle.Whereby, can utilize the principle of total reflection, make the beam projecting direction of first sub-pixel area 352 different with the beam projecting direction of second sub-pixel area 354.
Illustrated with Fig. 3 B, because the refractive index of second filter layer 340 that is to say that greater than the refractive index of first filter layer 330 light can be from the big medium of refractive index (second filter layer 340) toward little medium (the first filter layer 330) incident of refractive index.So, can utilize the principle of total reflection, make the beam projecting direction of first sub-pixel area 352 different, and make right and left eyes see different image informations, and produce stereoscopic visual effect with the beam projecting direction of second sub-pixel area 354.Similarly, also can obtain the function of two-way demonstration.
The 3rd embodiment
Fig. 5 illustrates the diagrammatic cross-section into the colored optical filtering substrates of third embodiment of the invention.Please refer to Fig. 5, this colored optical filtering substrates 304 is similar with the colored optical filtering substrates 300,302 of the foregoing description, this only illustrate different locate as follows.
In the present embodiment, substrate 310 comprises that also section is that a leg-of-mutton majority groove 312, the first filter layers 330, second filter layer 340 are arranged in each groove 312 with black matrix layer 320.
Similarly, in this embodiment, first filter layer 330 for example is transparent chromatograph, and particularly, first filter layer 330 is that to insert section shape be in the leg-of-mutton groove 312.After forming first filter layer 330, continue to make second filter layer 340.This second filter layer 340 for example is a chromatic filter layer, and can be made up of red filter layer 340R, green filter layer 340G and blue color filter layer 340B.Certainly, the present invention does not limit the formation color combination and the arrangement mode of second filter layer 340.That is to say that first filter layer 330 can be chromatic filter layer or transparent chromatograph.And second filter layer 340 also can be chromatic filter layer or transparent chromatograph.Focus on, the state that only needs both are configured to take place total reflection gets final product.
Illustrated with Fig. 3 B, because the refractive index of second filter layer 340 that is to say that greater than the refractive index of first filter layer 330 light can be from the big medium of refractive index (second filter layer 340) toward little medium (the first filter layer 330) incident of refractive index.So, can utilize the principle of total reflection, make the beam projecting direction of first sub-pixel area 352 different, and make right and left eyes see different image informations, and produce stereoscopic visual effect with the beam projecting direction of second sub-pixel area 354.Similarly, also can obtain the function of two-way demonstration.
In above-mentioned first embodiment to the, three embodiment, utilized first filter layer 330 of two-layer different refractivity and the setting of second filter layer 340, and made second filter layer 340 that is positioned at the below have specific section shape.So, can utilize the principle of total reflection, so that the exit direction difference of light A1, A2 (shown in Fig. 3 B).If make light A1, A2 carry different image informations separately again, can cause the stereopsis or the display effect of two-way demonstration.But the present invention is not limited to the form that is provided with of above-mentioned first～the 3rd embodiment.
Similarly, the present invention does not limit the set-up mode of above-mentioned first filter layer 330 and second filter layer 340, as long as make light from the big little filter layer of filter layer directive refractive index of refractive index, and make one of them filter layer have the section (being preferably triangle) of given shape, and then total reflection takes place get final product.
Below, will continue the method for making of colored optical filtering substrates 300,302,304 of the present invention.
The method for making of colored optical filtering substrates
First embodiment
Fig. 6 A～Fig. 6 D illustrates the steps flow chart synoptic diagram into the method for making of a kind of colored optical filtering substrates of preferred embodiment of the present invention.
Please refer to Fig. 6 A, at first, provide a substrate 310.This substrate 310 for example is glass substrate, quartz base plate, or the substrate made from transparent material.
Then, please continue the A with reference to Fig. 6, form black matrix layer 320 on substrate 310, and this black matrix layer 320 marks off most pixel regions 350 on substrate 310, wherein each pixel region 350 comprises one first sub-pixel area 352 and one second sub-pixel area 354.As shown in Figure 6A, black matrix layer 320 for example is to utilize method such as transfer printing, micro-photographing process and form, and is not limited among the present invention.In addition, black matrix layer 320 for example is a resin material or other have the material of shading character.
Come again, please refer to Fig. 6 B, in pixel region 350, form one first filter layer 330.In one embodiment, the method for formation first filter layer 330 can be that ink-jet method, micro-photographing process or mask cooperate methods such as thin film deposition in pixel region 350.And first filter layer 330 can be chromatic filter layer or transparent chromatograph.In the embodiment that Fig. 6 B illustrates, first filter layer 330 is chromatic filter layers, and, can be constituted by red filter layer 330R, green filter layer 330G and blue color filter layer 330B.Certainly, the present invention does not limit configuration, the arrangement mode of chromatic filter layer, and it also can be the combination of yellow, carmetta, cyan, black (YMCK).
Afterwards, please refer to Fig. 6 C and Fig. 6 D, in pixel region 350, form one second filter layer 340, and second filter layer 340 is covered on first filter layer 330, wherein, the refractive index of second filter layer 340 is greater than the refractive index of first filter layer 330, so that the beam projecting direction of first sub-pixel area 352 is different with the beam projecting direction of second sub-pixel area 354.The method that forms second filter layer 340 can be that ink-jet method, micro-photographing process or mask cooperate methods such as thin film deposition.And second filter layer 340 can be chromatic filter layer or transparent chromatograph.In the embodiment that Fig. 6 C illustrates, second filter layer 340 is transparent chromatographs.
Particularly, the above-mentioned method that forms second filter layer 340 in pixel region 350 comprises the following steps.At first, shown in Fig. 6 C, in first sub-pixel area 352, form second filter layer 340.Then, toward clockwise direction inclination substrate 310, make the section of second filter layer 340 in first sub-pixel area 352 become triangle.Then, shown in Fig. 6 D, in second sub-pixel area 354, form second filter layer 340.Afterwards, toward the substrate 310 that counterclockwise tilts, make the section of second filter layer 340 in second sub-pixel area 354 become triangle.So far, promptly finish the making of colored optical filtering substrates 302.
Processing procedure as the method for making of the colored optical filtering substrates of Fig. 6 A～Fig. 6 D is very simple, therefore, can promote production efficiency effectively, and reduce cost of manufacture.
Second embodiment
Be similar to the step of Fig. 6 A～6D, in the method for making of the colored optical filtering substrates 300 (as shown in Figure 3A) of another embodiment, after the making of finishing black matrix layer 320, can be leg-of-mutton first filter layer 330 prior to forming section in the above-mentioned pixel region 350, insert second filter layer 340 afterwards again.More specifically, after the gravity that utilization is earlier tilted is made the inclination interface, utilizing chromatograph to fill up the space, this way is more simple.
Please refer to Fig. 3 A, in the present embodiment, the formation section is that the method for leg-of-mutton first filter layer is as described below.At first, in first sub-pixel area 352, form first filter layer 330.Then, toward clockwise direction inclination substrate 310, make the section of first filter layer 330 in first sub-pixel area 352 become triangle.Then, in second sub-pixel area 354, form first filter layer 330.Afterwards, toward the substrate 310 that counterclockwise tilts, make the section of first filter layer 330 in second sub-pixel area 354 become triangle.
Afterwards, again second filter layer 340 is inserted the space in first sub-pixel area 352 and second sub-pixel area 354, second filter layer 340 is covered on first filter layer 330, so far, finish the making of colored optical filtering substrates 300.
The 3rd embodiment
In addition, as described below as the method for making of the colored optical filtering substrates 304 that Fig. 5 illustrated.The method for making of this colored optical filtering substrates 304 for example is to be leg-of-mutton most groove 312 prior to forming section on the substrate 310.These grooves 312 for example are to utilize lathe grinding, or utilize modes such as micro-photographing process and form.The present invention does not limit the method that forms groove 312.Afterwards, again first filter layer 330, second filter layer 340 are formed in each groove 312 with black matrix layer 320.
By the method for making of above-mentioned colored optical filtering substrates, can make simply and have the stereopsis display effect or the colored optical filtering substrates of two-way Presentation Function.The processing procedure of the method is comparatively simple, and, can reduce cost of manufacture.
Display panels
Fig. 7 illustrates the diagrammatic cross-section into a kind of display panels of preferred embodiment of the present invention.Please refer to Fig. 7, this display panels 400 comprises active component array base board 410, colored optical filtering substrates 420 and liquid crystal layer 430.Colored optical filtering substrates 420 for example is the colored optical filtering substrates 300,302,304 that is illustrated as Fig. 3 A, Fig. 4, Fig. 5, particularly, make the refractive index of the refractive index of second filter layer 340, so that the beam projecting direction of first sub-pixel area 352 is different with the beam projecting direction of second sub-pixel area 354 greater than first filter layer 330.Active component array base board 410 is disposed at the subtend of colored optical filtering substrates 420.Liquid crystal layer 430 is arranged between colored optical filtering substrates 420 and the active component array base board 410.
Similarly, please refer to Fig. 3 B, utilize the pixel design on colored optical filtering substrates 300 and the principle of total reflection, can make the beam projecting direction of first sub-pixel area 352 different with the beam projecting direction of second sub-pixel area 354.Therefore, if make separately light A1, A2 carry different image informations, can make display panels (not illustrating) carry out the demonstration of stereopsis or carry out two-way demonstration with this colored optical filtering substrates 300.
Compared to the LCD 100,102,200 of existing Figure 1A, Figure 1B and Fig. 2, this display panels 400 need not use disparity barrier 120 and have preferable brightness.In addition, need not use toroidal lens 230 yet, and not have the problem that the contraposition accuracy requirement is higher and cost of manufacture is more expensive.
In sum, the method for making of colored optical filtering substrates of the present invention, colored optical filtering substrates and display panels have following advantage at least:
(1) by different first filter layer of refractive index and the setting of second filter layer, and, make one of them filter layer have specific section shape, and can control the beam projecting direction in the different subpixel zone of each pixel region.
(2) method for making of this colored optical filtering substrates is very simple, and can simplify fabrication steps effectively, and reduces cost of manufacture.
(3) use the display panels of this colored optical filtering substrates, can easily reach stereopsis and show or the effect of two-way demonstration.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (19)
1. colored optical filtering substrates is characterized in that comprising:
One substrate;
One black matrix layer is disposed on this substrate, and should black matrix layer mark off most pixel regions on this substrate, and wherein each pixel region comprises one first sub-pixel area and one second sub-pixel area;
One first filter layer is disposed in those pixel regions; And
One second filter layer is disposed in those pixel regions, and is covered on this first filter layer,
Wherein, the refractive index of this second filter layer is greater than the refractive index of this first filter layer, so that the beam projecting direction of this first sub-pixel area is different with the beam projecting direction of this second sub-pixel area.
2. colored optical filtering substrates as claimed in claim 1 is characterized in that the section shape of this first filter layer comprises triangle.
3. colored optical filtering substrates as claimed in claim 1 is characterized in that the section shape of this second filter layer comprises triangle.
4. colored optical filtering substrates as claimed in claim 1 is characterized in that, this substrate comprises that also section is a leg-of-mutton majority groove, and this first filter layer, second filter layer are arranged in each groove with this black matrix layer.
5. colored optical filtering substrates as claimed in claim 1 is characterized in that, this first filter layer comprises chromatic filter layer or transparent chromatograph.
6. colored optical filtering substrates as claimed in claim 1 is characterized in that, this second filter layer comprises chromatic filter layer or transparent chromatograph.
7. the method for making of a colored optical filtering substrates is characterized in that comprising:
One substrate is provided;
Form a black matrix layer on this substrate, and should black matrix layer mark off most pixel regions on this substrate, wherein each pixel region comprises one first sub-pixel area and one second sub-pixel area;
In those pixel regions, form one first filter layer; And
In those pixel regions, form one second filter layer, and this second filter layer is covered on this first filter layer,
Wherein, the refractive index of this second filter layer is greater than the refractive index of this first filter layer, so that the beam projecting direction of this first sub-pixel area is different with the beam projecting direction of this second sub-pixel area.
8. the method for making of colored optical filtering substrates as claimed in claim 7 is characterized in that, the method that forms this first filter layer in those pixel regions comprises:
In this first sub-pixel area, form this first filter layer;
Toward a clockwise direction this substrate that tilts, make the section of this first filter layer in this first sub-pixel area become triangle;
In this second sub-pixel area, form this first filter layer; And
Toward this substrate that counterclockwise tilts, make the section of this first filter layer in this second sub-pixel area become triangle.
9. the method for making of colored optical filtering substrates as claimed in claim 7 is characterized in that, the method that forms this second filter layer in those pixel regions comprises:
In this first sub-pixel area, form this second filter layer;
Toward a clockwise direction this substrate that tilts, make the section of this second filter layer in this first sub-pixel area become triangle;
In this second sub-pixel area, form this second filter layer; And
Toward this substrate that counterclockwise tilts, make the section of this second filter layer in this second sub-pixel area become triangle.
10. the method for making of colored optical filtering substrates as claimed in claim 7 is characterized in that, also being included in and forming section on this substrate is a leg-of-mutton majority groove, and this first filter layer, this second filter layer and this black matrix layer are formed in each groove.
11. the method for making of colored optical filtering substrates as claimed in claim 7 is characterized in that, this first filter layer comprises chromatic filter layer or transparent chromatograph.
12. the method for making of colored optical filtering substrates as claimed in claim 7 is characterized in that, this second filter layer comprises chromatic filter layer or transparent chromatograph.
13. the method for making of colored optical filtering substrates as claimed in claim 7 is characterized in that, the method that forms this first filter layer and this second filter layer in those pixel regions comprises ink-jet method.
14. a display panels is characterized in that comprising:
One colored optical filtering substrates comprises:
One substrate;
One black matrix layer is disposed on this substrate, and should black matrix layer mark off most pixel regions on this substrate, and wherein each pixel region comprises one first sub-pixel area and one second sub-pixel area;
One first filter layer is disposed in those pixel regions; And
One second filter layer is disposed in those pixel regions, and is covered on this first filter layer;
Wherein, the refractive index of this second filter layer is greater than the refractive index of this first filter layer, so that the beam projecting direction of this first sub-pixel area is different with the beam projecting direction of this second sub-pixel area;
One active component array base board is disposed at the subtend of this colored optical filtering substrates; And
One liquid crystal layer is arranged between this colored optical filtering substrates and this active component array base board.
15. display panels as claimed in claim 14 is characterized in that, the section shape of this first filter layer comprises triangle.
16. display panels as claimed in claim 14 is characterized in that, the section shape of this second filter layer comprises triangle.
17. display panels as claimed in claim 14 is characterized in that, this substrate comprises that also section is a leg-of-mutton majority groove, and this first filter layer, this second filter layer are arranged in each groove with this black matrix layer.
18. display panels as claimed in claim 14 is characterized in that, this first filter layer comprises chromatic filter layer or transparent chromatograph.
19. display panels as claimed in claim 14 is characterized in that, this second filter layer comprises chromatic filter layer or transparent chromatograph.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101669056A CN101419303B (en) | 2007-10-26 | 2007-10-26 | Colourful filtering substrate, making method thereof and liquid crystal display panel |
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| CN2007101669056A CN101419303B (en) | 2007-10-26 | 2007-10-26 | Colourful filtering substrate, making method thereof and liquid crystal display panel |
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| CN101419303A CN101419303A (en) | 2009-04-29 |
| CN101419303B true CN101419303B (en) | 2010-09-29 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101988998B (en) * | 2009-07-30 | 2015-10-07 | 群创光电股份有限公司 | Liquid crystal indicator |
| CN102663982B (en) * | 2012-04-27 | 2015-03-11 | 深圳市华星光电技术有限公司 | Three-dimensional display device and drive method thereof |
| CN105093652B (en) | 2015-08-21 | 2018-12-25 | 京东方科技集团股份有限公司 | A kind of substrate and preparation method thereof, display panel, display device |
| CN108196390B (en) * | 2018-01-02 | 2021-10-15 | 京东方科技集团股份有限公司 | Color film substrate and display device |
| CN108919558B (en) * | 2018-06-25 | 2021-04-27 | 福州大学 | Quantum dot color film structure of wedge-shaped substrate |
| CN108957831A (en) * | 2018-07-06 | 2018-12-07 | 京东方科技集团股份有限公司 | A kind of color membrane substrates, display device |
| CN115268137A (en) * | 2022-09-14 | 2022-11-01 | 深圳思瑞光电科技有限公司 | TFT liquid crystal display device and manufacturing method thereof |
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| Title |
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| JP特开平11-23830A 1999.01.29 |
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| CN101419303A (en) | 2009-04-29 |
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