CN101089697B - Color filter substrate, LCD device and color display device using the same - Google Patents
Color filter substrate, LCD device and color display device using the same Download PDFInfo
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Abstract
A light filter which several subpixel from which a color differs mutually constitutes one unit pixel, and comes to carry out two-dimensional arrangement at matrix form is the color filter substrate formed on a substrate. If the said unit pixel is 40000 or more square micrometers in area, the subpixel forming color will be seen and the display quality will be lowered. Several subpixel from which acolor differs mutually constitutes one unit pixel, with unit pixel of 40000 or more square micrometers in area, and the subpixel has a periodic-shaped field where line width does not exceed 100 micrometers. A color filter substrate arranging so that a field of periodic shape of other subpixel of 1 may gear with a field of periodic shape of subpixel of one among said two or more subpixel, thus theobserver can identify the display after additive color mixing.
Description
Technical field
Color layout when the present invention relates to carry out colored the demonstration.Be particularly related to the color layout of display device of the light-emitting component of the liquid crystal indicator that used the color filter substrate and used this color filter substrate or EL element etc.
Background technology
As carrying out the colored display device that shows, the display device of using the PDP element of liquid crystal display cells, emissive type of non-emissive type or EL element is just in practicability.These colour display devices for example with the versicolor sub-pixel of red (R), green (G), blue (B) as unit picture element, mix by additive color and to carry out colour demonstration.In order to add the mixture of colours, the area of the unit picture element that will be made of RGB diminishes as far as possible, makes the observer discern each sub-pixel indissociably.And, known following technology: be the raising colour mixture, and arrange painted portion obliquely, perhaps carry out triangle arrangement and the shape of painted portion is made triangularity or sexangle (for example, with reference to patent documentation 1).
Figure 11 (a) is the stereographic map that the state of the liquid crystal indicator 100 that has used color filter is decomposed in expression, and Figure 11 (b) is the key diagram of the look configuration of expression color filter.Shown in Figure 11 (a), on downside substrate 101, form color filter layer 102.The RGB of color filter layer 102 dyed layer of all kinds is configured to striated.For preventing light leak, between each dyed layer or its peripheral part black mask (BL) is set.The transparency electrode 104 of planarization film 103, striated and not shown alignment films are set on color filter layer 102.In the figure, form dyed layer and the transparency electrode 104 of RGB in mode with identical striated shape.In addition, the inside surface at upside substrate 106 forms opposite electrode and not shown alignment films.Between upside substrate 106 and downside substrate 101, fill not shown liquid crystal, constitute liquid crystal panel thus.And, at not shown Polarizer or light guide plate and the light source of the bottom of downside substrate 101 configuration, at the not shown Polarizer of upper surface configuration of upside substrate 106.For this liquid crystal indicator 100, between the opposite electrode 105 of the transparency electrode 104 of downside substrate 101 and upside substrate 106, apply voltage, change the orientation of liquid crystal molecule, thus, change light quantity by liquid crystal panel, carry out demonstration work.
The state of the color filter layer 102 of downside substrate 101 is observed in Figure 11 (b) expression from the top, dotted line 107 expressions are formed on the opposite electrode 105 of the inside of upside substrate 106.Periodically dispose the dyed layer of RGB.Herein, to become the dyed layer by RGB 3 looks be dashed line 108 area surrounded with the part that opposite electrode 105 intersects to unit picture element.Herein, because the transparency electrode 104 that is formed on down on the substrate is identical with the shape of dyed layer of all kinds, therefore, sub-pixel becomes the zone with RGB dyed layer of all kinds by dashed line 108 encirclements.Between transparency electrode 104 and opposite electrode 105, apply voltage, change light quantity independently by dyed layer according to every kind of color (that is each sub-pixel).Thus, the observer that transmitted light is observed can see the mixed coloured image of additive color.
In the liquid crystal indicator that is used in common notebook computer etc., the length L 0 on one side of unit picture element 108 or W0 are 100～180 microns (μ m).The width of the color filter film of unit picture element 108 is 30～50 μ m approximately.Therefore, the area of unit picture element is 10000～32400 square microns approximately.In addition, if the center line than length direction of the dyed layer of R is set at Cr, similarly the center line with G be set at Cg, with the center line location Cb of B, then the distance D of center line Cr and Cg is 30～60 μ m approximately, the distance between Cr and the Cb is 60～120 μ m approximately.
The eyesight of utilizing Lan Shi ring to measure is 1.0 to be the gaps that can discern 1.5 millimeters (mm) from the position of distance 5 meters (m).Therefore, eyesight is that the minimum clearance that 1.0 observer can differentiate in the distance of 50 centimetres (cm) is 125 μ m.In the structure of described color liquid crystal display arrangement, under the situation that to be 1.0 user in eyesight observe apart from display frame 50cm, because ultimate range is about 120 μ m between the center line of the dyed layer of the B of the dyed layer of the center line Cr of the dyed layer of R and leap G, thereby discern each zone of each dyed layer indissociably, carry out the mixed color of additive color thereby observe.Therefore, can not recognize the component unit pixel versicolor painted areas watch image.Not only liquid crystal indicator like this, for plasm display device or EL display device or reflection display device too.
Patent documentation 1 spy opens clear 63-271203 communique
Be arranged as in the structure of striated at described dyed layer, if the arrangement pitches of unit picture element for example big to the degree that surpasses 200 μ m, then can not obtain adding the effect of the mixture of colours effectively.That is, during the colour when arrangement pitches is big and area unit picture element is big (40000 squares μ m more than) showed, the observer saw the sub-pixel that constitutes each color separably.Therefore, if do not add the mixture of colours, will produce display quality this unfavorable condition that descends in the unit picture element.
In addition, if use the arrangement or the shape of the so painted portion of patent documentation 1, then colour mixture raising, still, transparency electrode need made and dyed layer much at one in the passive matrix display device of shape, transparency electrode can not form applying of such shape and use electrode.
Summary of the invention
For solveing the technical problem,, on substrate, form by the mutually different a plurality of sub-pixels of color and constitute a unit picture element and with the rectangular color filter that carries out two-dimensional arrangement for color filter substrate of the present invention.Herein, unit picture element has the above area of 40000 square microns, sub-pixel has continuous single plane domain and has the zone that line width is no more than 100 microns periodic shapes, with the zone of the periodic shapes of the zone of the periodic shapes of a sub-pixel and another sub-pixel mutually the mode of interlock be configured.And, the area of unit picture element more than 90000 square microns, and, constitute by the mutually different sub-pixel more than 3 of color, constitute in the mode of the sub-pixel of configuration second color between the sub-pixel of the sub-pixel of first color and the 3rd color.
In addition, the area of unit picture element is more than 40000 square microns, sub-pixel has continuous single plane domain, a subpixel area than the center line of length direction and and the distance than between the center line of length direction of another subpixel area of this sub-pixel adjacency be no more than 100 microns, the length of the boundary line of a sub-pixel of zoning and another sub-pixel is more than 1/2 of girth of unit picture element.And, the area that makes unit picture element is more than 90000 square microns, configuration second sub-pixel between first sub-pixel and the 3rd sub-pixel, first subpixel area be no more than 100 microns than the center line of length direction and the distance than between the center line of length direction of the 3rd subpixel area, the length of the boundary line of the length of the boundary line of zoning first sub-pixel and second sub-pixel and zoning second sub-pixel and the 3rd sub-pixel is more than 1/2 of girth of unit picture element.
For liquid crystal indicator of the present invention, holding liquid crystal between the color filter substrate of described arbitrary structures and opposed substrate.Planarization film, transparency electrode and alignment films are set on the dyed layer of striated.Opposite electrode and alignment films are set on opposed substrate.In the part of component unit pixel, any one electrode of transparency electrode and opposite electrode and the shape of dyed layer are roughly identical shaped.
In addition, for colour display device of the present invention, on the display surface that image is shown, the mutually different a plurality of sub-pixels of Show Color constitute unit picture elements and with the rectangular two-dimensional arrangement of carrying out, this unit picture element has the above area of 40000 square microns, sub-pixel has continuous single plane domain and has the zone that line width is no more than 100 microns periodic shapes, and the zone of the zone of the periodic shapes of a sub-pixel and the periodic shapes of another sub-pixel is configured in the mode of mutual interlock.And unit picture element has the above area of 90000 square microns, and, have the mutually different sub-pixel more than 3 of Show Color, between the sub-pixel of the sub-pixel of first color and the 3rd color, dispose the sub-pixel of second color.
Perhaps, this unit picture element has the above area of 40000 square microns, sub-pixel has continuous single plane domain, and, a subpixel area than the center line of length direction and and the distance than between the center line of length direction of another subpixel area of this sub-pixel adjacency be no more than 100 microns, the length of the boundary line of a sub-pixel of zoning and another sub-pixel is more than 1/2 of girth of unit picture element.And, the area of unit picture element is more than 90000 square microns, the sub-pixel of configuration second color between the sub-pixel of the sub-pixel of first color and the 3rd color, the distance than between the center line of length direction than the subpixel area of the center line of length direction and the 3rd color of the subpixel area of first color is no more than 100 microns, and the length of the boundary line of the sub-pixel of the length of the boundary line of the sub-pixel of zoning first color and the sub-pixel of second color and the sub-pixel of zoning second color and the 3rd color is more than 1/2 of girth of unit picture element.In the self-luminous display device of electroluminescence etc., use such structure.
As mentioned above, it is a kind of color filter substrate that constitutes a unit picture element (area of unit picture element is more than 40000 square microns) by the mutually different a plurality of sub-pixels of color, the periodic shapes that is no more than 100 μ m with line width forms each sub-pixel, with the zone form configuration of interlock mutually of the periodic shapes of the zone of the periodic shapes of a sub-pixel and another sub-pixel.According to this kind structure,,, thereby can prevent the decline of display quality because the observer can see the mixed demonstration of additive color even under the bigger situation of the area of unit picture element.
In addition, the mutually different a plurality of sub-pixels of color constitute a unit picture element (area is more than 40000 square microns), the distance than between the center line of length direction than the zone of the center line of length direction and another sub-pixel of a subpixel area is no more than 100 μ m, and the length on the border between these two sub-pixels is more than 1/2 of girth of unit picture element.Thus, the observer discerns the sub-pixel of adjacency indissociably, observes the mixed a plurality of sub-pixels of additive color simultaneously, so, demonstration that can the recognition objective color.
Description of drawings
Fig. 1 is the planimetric map of expression color filter substrate of the present invention (layout of dyed layer).
Fig. 2 is the planimetric map of expression color filter substrate of the present invention (layout of dyed layer).
Fig. 3 is the planimetric map of expression color filter substrate of the present invention (layout of dyed layer).
Fig. 4 is the planimetric map of expression color filter substrate of the present invention (layout of dyed layer).
Fig. 5 is the planimetric map of expression color filter substrate of the present invention (layout of dyed layer).
Fig. 6 is the planimetric map of expression color filter substrate of the present invention (layout of dyed layer).
Fig. 7 is the sectional view that schematically shows liquid crystal indicator of the present invention.
Fig. 8 is the equivalent circuit diagram of EL display device of the present invention.
Fig. 9 is the planimetric map of layout that schematically shows the unit picture element of EL display device of the present invention.
Figure 10 is the schematic cross sectional view of EL element display device of the present invention.
Figure 11 be the existing liquid crystal indicator of expression decomposing state stereographic map and be used for the layout figure of this color filter.
Embodiment
In color filter substrate of the present invention, on substrate, be provided with by the mutually different a plurality of sub-pixels of color and constitute a unit picture element and with the rectangular color filter that carries out the structure of two-dimensional arrangements.The area of unit picture element is 40000 μ m
2More than, each sub-pixel is following shape, that is: the zone that line width is no more than 100 microns periodically is set, and, these zones that periodically are provided with form (promptly, each sub-pixel has continuous single plane domain, and has the periodic shapes that line width is no more than 100 μ m on the part of this plane domain).And, have the shape of the interlock of the periodic shapes that between the periodic shapes of a sub-pixel, stretches into another sub-pixel.Thus, the observer is when observation unit's pixel, and the periodic shapes of this interlock adds the mixture of colours, can be identified as the colour element of target.
As substrate, use clear glass or transparent resin etc.For the color filter substrate, form dyed layer on the surface of transparent substrates.Dyed layer uses and to be dispersed with the polyimide film of coloring pigment or to have used the photosensitive resin film of third rare resin of containing coloring pigment etc. or be deposited in material on the electrode of making to become sub-pixel shape in advance by electric attachment method.In the situation of polyimide film etc., on transparent substrates, form the polyimide film of the pigment that is dispersed with predetermined color, and, form the dyed layer of reservation shape by using the lithography step of resist etc.Carry out this step repeatedly by every kind of color, thereby form the color filter of dyed layer with multiple color.Under the situation of using photoresist, on transparent substrates, form photoresist, this photoresist is to be dispersed with the resin that carries out painted material with predetermined color, forms the dyed layer of reservation shape by lithography step.Carry out this step repeatedly by every kind of color, form color filter.In addition, under the situation of utilizing electricity to adhere to, in advance transparency electrode is patterned into the shape of sub-pixel, piles up the film that is dispersed with pigment by electric attachment method thereon.Carry out repeatedly by every kind of color, form electricity and adhere to color filter.
For the color of color filter, be under the situation of two kinds of colors at sub-pixel, can use the color that has the complementary colors relation.For example, can be green (G) color combinations with fuchsin (M), dark green (C) and red (R).In addition, sub-pixel is under the situation of three kinds of colors, can be the combination of the combination of red (R), green (G), blue (B) or fuchsin (M), yellow (Y), dark green (C).Can add the mixture of colours by these colors and obtain white (W).In addition, can further add other color or can in RGB, add the shades of colour of MYC.
Under the situation of color filter substrate, between two sub-pixels, form black optical filter (BM) and prevent sewing of light, can improve colour purity.And, do not comprise the lightproof area of black optical filter of being arranged between the sub-pixel etc. in the sub-pixel.So-called subpixel area is following zone: with the utilization of color filter substrate in display device or infrared rays receiver etc. and the light quantity passed through of the light quantity passed through of observation post or detection, thereby identification or detect the zone of the variation of literal or image.Therefore, even area broad does not for example comprise the fixing lightproof area that only is used to improve colour purity in sub-pixel.
In addition, the area of unit picture element is at 90000 μ m
2More than, and have three looks above sub-pixel.And, the sub-pixel of configuration second color between the sub-pixel of the sub-pixel of first color and the 3rd color.That is, the sub-pixel of the sub-pixel of first color and the 3rd color is across the sub-pixel of second color and separate.These each sub-pixels have the periodic shapes that line width is no more than 100 μ m respectively, the periodic shapes interlock of the sub-pixel of the sub-pixel of first color and second color.And the periodic shapes of the sub-pixel of the sub-pixel of second color and the 3rd color also has the shape of interlock.Consequently, during observer observation unit pixel, the sub-pixel of the sub-pixel of first color pixel and second color pixel, second color and the sub-pixel of the 3rd color, first color and the sub-pixel of the 3rd color all add the mixture of colours, demonstration look that can recognition objective.
In addition, in color filter substrate of the present invention, on substrate, be provided with by the mutually different a plurality of sub-pixels of color and constitute a unit picture element and with the rectangular color filter that carries out the structure of two-dimensional arrangement.The area of unit picture element is 40000 μ m
2More than, the shape of each sub-pixel is as follows, the zone that has than length direction periodically is set, and these zones that periodically are provided with forms that is:.And, the zone of certain sub-pixel than the center line of length direction and and other the distance than between the center line of length direction in zone of sub-pixel of this sub-pixel adjacency be no more than 100 μ m.In addition, the length of the boundary line of this sub-pixel of zoning and other sub-pixels is more than 1/2 of girth of unit picture element.That is, the sub-pixel of the striated that only closely configuration is thinner in the zone of unit picture element is not enough, need have the zone of stretching into the zone of other sub-pixels mutually concavo-convexly or having bending.Thus, when the observer watches this unit picture element, the sub-pixel of this adjacency is separated, can see by adding the color of the mixture of colours after by colour mixture.
In addition, make make unit picture element area at 90000 μ m
2More than and have a structure of the above sub-pixel of three looks.And, the sub-pixel of configuration second color between the sub-pixel of the sub-pixel of first color and the 3rd color.That is, the sub-pixel of the sub-pixel of first color and the 3rd color is across the sub-pixel of second color and separate.And the distance than between the center line of length direction than the subpixel area of the center line of length direction and the 3rd color of the subpixel area of first color is no more than 100 μ m.Consequently, the observer discerns three sub-pixels indissociably.And the length of the boundary line of the sub-pixel of the length of the boundary line of the sub-pixel of zoning first color and the sub-pixel of second color and the sub-pixel of zoning second color and the 3rd color is more than 1/2 of girth of unit picture element.Thus, the subpixel area of the sub-pixel of the zone of the sub-pixel of the subpixel area of first color and second color and second color and the 3rd color has the zone of interlock or bending.Consequently, the mixture of colours can be further promoted to add, display quality can be improved.
Liquid crystal indicator to the color filter substrate that used described structure describes.Keep the gap about number μ m～10 μ m that opposed substrate is set with the color filter substrate, constitute the unit, and in this gap, liquid crystal layer is set.And, dispose the optical thin film of Polarizer etc. in the mode of this unit of clamping, dispose the lighting device of grade backlight as required.In addition, be provided for applying the electrode of voltage to liquid crystal layer.At the electrode that is used for the passive liquid crystal indicator, there are transparency electrode that is arranged on the color filter substrate and the opposite electrode that is arranged on the opposed substrate.Owing to the liquid crystal applied voltages of the part of intersecting to transparency electrode and opposite electrode, so this cross section plays the function of pixel.For example, when using RGB three looks to carry out the colour demonstration, this pixel is divided into i.e. three sub-pixels of three parts.One in transparency electrode and the opposite electrode is scan electrode, and another is a signal electrode.Usually, signal electrode is and the color figure of the dyed layer figure of shape much at one.And, under the situation of passive matrix, for example, form in mode from same signal to vertical pixel adjacent that supply with run through longitudinally, the signal electrode of continuous electrode shape.Therefore, the color figure of dyed layer also needs to have following feature.For example, vertically forming continuously under the situation of signal electrode, all existing the mode in zone to form sub-pixel of all kinds with the top of unit picture element and following any one.And, on top be connected with the dyed layer of the unit picture element of top, following with below the dyed layer of unit picture element be connected.So, the mode with the top of crossing the component unit pixel and a following part forms sub-pixel of all kinds.If not like this, must with the gap of the unit picture element of adjacency transversely on be provided with above the wiring that is connected of the unit picture element of (or below), make aperture opening ratio decline.
In addition, transparency electrode is arranged between substrate and the dyed layer or the top of dyed layer.By accumulation ITO (pluging with molten metal tin-oxide) such as sputtering methods etc., thereby form transparency electrode.The color filter substrate is being used under the situation of reflection display device, between substrate and dyed layer, is not forming transparency electrode and form the metal electrode that light is reflected.
And, the display device of the present invention that the light-emitting component of a plurality of colors of designated color light shows is sent in use is described.That is, have in the display device by the different a plurality of sub-pixels of Show Color and constitute a unit picture element and rectangular the display surface that carries out two-dimensional arrangement.The area of unit picture element is 40000 μ m
2More than, each sub-pixel has continuous single plane domain, and forms with the periodic shapes that line width is no more than 100 μ m.And, be the shape of interlock that between the periodic shapes of a sub-pixel, stretches into the periodic shapes of another sub-pixel.Thus, the observer is when observation unit's pixel, and the periodic shapes of this interlock adds the mixture of colours, thereby can be identified as the pixel of color of object.
In addition, the area of the display surface that is made of unit picture element is 90000 μ m
2More than, have the mutually different sub-pixel more than 3 of color, and be the figure of the sub-pixel of configuration second color between the sub-pixel of the sub-pixel of first color and the 3rd color.These each sub-pixels are that line width is no more than the periodic shape of 100 μ m separately, the periodic shapes of the sub-pixel of the sub-pixel of first color and second color is carried out interlock, and the periodic shapes of the sub-pixel of the sub-pixel of second color and the 3rd color is also carried out interlock.Consequently, the observer is when watching the display surface that is made of unit picture element, the sub-pixel of the sub-pixel of the sub-pixel of the sub-pixel of the sub-pixel of the sub-pixel of first color and second color, second color and the 3rd color, the 3rd color and first color adds the mixture of colours, thereby can be identified as the pixel of color of object.
Perhaps, the area of unit picture element is 40000 μ m
2More than, sub-pixel has continuous single plane domain.And, a subpixel area than the center line of length direction and and the distance than between the center line of length direction of another subpixel area of this sub-pixel adjacency be no more than 100 μ m.Thus, if the observer observes this unit picture element, the sub-pixel that then can be identified as this adjacency carries out mixed pixel by the additive color mixing.In addition, the length of the boundary line of this sub-pixel of zoning and this another sub-pixel is more than 1/2 of girth of unit picture element.Consequently, can further promote to add the mixture of colours.
Perhaps, the area of unit picture element is at 90000 μ m
2More than, and have the mutually different sub-pixel of color more than three.And, the sub-pixel of configuration second color between the sub-pixel of the sub-pixel of first color and the 3rd color.That is, the sub-pixel of the sub-pixel of first color and the 3rd color is across the sub-pixel of second color and separate.And the distance than between the center line of length direction than the zone of the sub-pixel of the center line of length direction and the 3rd color of the subpixel area of first color is no more than 100 μ m.Consequently, when the observer watched unit picture element, three sub-color of pixel were added the mixture of colours, thereby can be identified as the pixel of color of object.And the length of the boundary line of the sub-pixel of the length of the boundary line of the sub-pixel of zoning first color and the sub-pixel of second color and the sub-pixel of zoning second color and the 3rd color is more than 1/2 of girth of unit picture element.Thus, form the zone of the subpixel area interlock of the subpixel area of first color and second color, similarly, the subpixel area of the subpixel area of second color and the 3rd color has the shape of interlock, thereby can further promote to add the mixture of colours.
Below, use accompanying drawing at length embodiments of the invention to be described.
Embodiment 1
The planimetric map that uses Fig. 1 describes shape, the configuration of the dyed layer of the color filter substrate of present embodiment or display device.As shown in the figure, unit picture element UP1 is arranged side by side with the unit picture element UP2 identical with this unit picture element UP1.Unit picture element UP1 is that length is that 200 μ m (L0), width are the rectangular shape of 222 μ m (W0).Dispose a plurality of unit picture element UP1 at directions X and Y direction, constitute matrix.Unit picture element UP1 has the mutually different first color sub-pixel 2 of color and the second color sub-pixel 3.For example, the first color sub-pixel 2 is green dyed layer or illuminating parts, and the second color sub-pixel 3 is carmine dyed layer or illuminating part.In addition, each sub-pixel has continuous single plane domain, by border 4 zonings, the first color sub-pixel 2 and the second color sub-pixel 3.Borderline region 4 is the color filter of black or the zone with black display look, but is not limited thereto.In addition, the center line than length direction with borderline region 4 is defined as the border center line.And sub-pixel is that dyed layer or illuminating part are applied to display device etc., help lightness or the variation of the chroma zone of discerning literal or image change of observer by observing sub-pixel.
The first color sub-pixel 2 comprises: by length is that 200 μ m (L0), width are the rectangular regional G1 that 33 μ m (W1) constitute; Length is that 134 μ m (L2), width are the rectangular regional G2 of 33 μ m (W3); Length is that 134 μ m (L2), width are the rectangular regional G3 of 33 μ m (W5).In addition, the second color sub-pixel 3 comprises: length is that 200 μ m, width are the rectangular regional M1 of 33 μ m (W6); Length is that 134 μ m (L2), width are the rectangular regional M2 of 33 μ m (W4); And length be 134 μ m (L2), wide be the rectangular regional M3 of 33 μ m (W2).(L0 * W0) is 44400 μ m to the area of unit picture element UP1
2, thereby be 40000 μ m
2More than.In addition, (W1～W6) equals 33 μ m, thereby is no more than 100 μ m for regional M1, the M2 of regional G1, the G2 of first sub-pixel 2 and G3 and second sub-pixel 3 and the width separately of M3.In addition, regional G1, the G2 of first sub-pixel 2 and G3 have the periodic shapes that spacing is 66 μ m (P1) on directions X, similarly, regional M1, the M2 of second sub-pixel 3 and M3 have the periodic shapes that spacing is 66 μ m (P2) on directions X, be configured in the mode of mutual interlock.And in the present embodiment, the first color sub-pixel 2 is identical with the area of the second color sub-pixel 3.
And, do not need to limit the value of described L0, M0, L1～L3, W1～W6.So long as the area of unit picture element UP1 is no more than 40000 μ m
2, each sub-pixel periodic shapes be that the shape that is no more than 100 μ m and mutually interlock gets final product.For example, with shape shown in Figure 1 be similar figures, W0 can be about 600 μ m, L0 also can be bigger.In addition, in the present embodiment, the repeat number of the periodic shapes of each sub-pixel is 3, still, also can be more repeat number.Under this situation, can make W0 is more than the 600 μ m.In addition, do not need the area of the first color sub-pixel 2 and the second color sub-pixel 3 mutually the same yet.
In addition, the center line than length direction in each zone of the first color sub-pixel 2 is defined as center line Cg, the center line than length direction in each zone of the second color sub-pixel is defined as center line Cm, distance between the center line Cm of the center line Cg of the regional G1 of the first color sub-pixel 2 and the regional M3 of the second color sub-pixel 3 is 33 μ m, does not surpass 100 μ m.Similarly, distance between the center line Cm of distance between the center line Cg of the regional G2 of the first color sub-pixel 2 and the second color sub-pixel 3 and the center line Cm of regional M3 or regional M2 and the center line Cg of regional G3 and regional M3 or regional M1 is respectively 33 μ m, does not surpass 100 μ m.And if the width of borderline region 4 is decided to be 4 μ m, then the length of border center line is 1000 μ m (Lx), also 1/2 big than the girth 844 μ m (Ls=2 (L0+W0)) of unit picture element UP1.
In the color layout 1 shown in Figure 1, W1～W6 makes identical length respectively, but also can be different mutually.In addition, in the part of M2 and the part of M3, also it doesn't matter even the L3 among the figure changes.And color layout 1 is not limited to the rectangular arrangement that unit picture element UP1 and unit picture element UP2 arrange in the mode of chessboard on directions X and Y direction, also can arrange each other on directions X and Y direction with staggering.In addition, in the first color sub-pixel 2 and the second color sub-pixel 3, periodic shapes has 3 zones respectively, still, also can be the zone of a plurality of periodic shapes.This is because the zone of periodic shapes is many more to promote to add the mixture of colours more.In addition, the first color sub-pixel 2 and the second color sub-pixel 3 area separately also can be different.In color layout shown in Figure 11, usually the distance between the center line in each zone of each the regional center line of the first color sub-pixel 2 and the second color sub-pixel 3 is no more than 100 μ m, and the area of unit picture element UP1 is 40000 μ m
2More than, and, as long as satisfy formula (1).
4L2+W0≥2(W1+W4) …(1)
Can make the color filter substrate by on transparent substrates, forming the photoresist that is dispersed with coloring pigment.Specifically, at first, apply photoresist on glass substrate, this photoresist is made of the propylene resin of the pigment that is dispersed with predetermined color.Secondly, the mask with the first color sub-pixel shape exposes.Then, the photoresist after the exposure is developed, residual on glass substrate have first a color sub-pixel 2.Secondly, coating is dispersed with the photoresist with the first color sub-pixel color dye, by with identical as mentioned above exposure, video picture step, the residual second color sub-pixel on glass substrate.Then, coating is dispersed with the photoresist of black pigment, similarly exposes, video picture handles formation seamlessly on the borderline region 4 between the first color sub-pixel 2 and the second color sub-pixel 3.And, except photoresist, also can on transparent substrates, apply the color filter film, this color filter film is the color filter film that is dispersed with the pigment of predetermined color in polyimide film, by lithography step and etch processes, form the first color sub-pixel 2, and repeat this step, form the second color sub-pixel 3.In addition, on glass substrate, form the transparency electrode that electricity adheres to usefulness,, adhere to the formation color filter thereby also can repeat electricity successively for shades of colour.
In addition, can use self luminous organic EL to form this dyed layer.On the transparent substrates that constitutes by glass, pile up the transparency electrode of ITO etc. by vacuum vapour deposition etc.Secondly, be patterned into the shape of first sub-pixel by lithography step and etching step.Secondly, form hole injection layer, hole transporting layer successively, be doped with luminescent layer, the electron supplying layer of predetermined dopant and the electrode that constitutes by negative electrode by vapour deposition method etc.Secondly, carry out composition, form the shape of the first color sub-pixel by lithography step and etching step.Also form the second color sub-pixel by same step.
In addition, can replace EL element on each sub-pixel, to form the different PDP element of illuminant colour.Using under the situation of PDP element as display surface, on the downside substrate, forming data electrode along the center line of each sub-pixel, and form dielectric film in the above.And, form the barrier of predetermined altitudes along the borderline region 4 of the first color sub-pixel 2 and the second color sub-pixel 3.Secondly, apply the fluorophor of the color of light of sending sub-pixel on the side of next door.Also on the dielectric film in the zone of the sub-pixel that surrounds by the next door, apply fluorophor.To with the direction of data electrode quadrature on be formed with transparency electrode the upside transparent substrates fit, and between downside transparent substrates and upside transparent substrates, enclose the gas that plasma luminescence is used, form display device.In addition, can use and to have utilized electrolytical electroluminescent cell or the electrophoresis element of WO3 etc. to replace self-emission device.
Fig. 2 schematically shows the situation of the color filter substrate (color layout 5 of dyed layer) of two kinds of colors of viewed in plan present embodiment.As shown in the figure, in unit picture element UP1, form the different first color sub-pixel 6 and the second color sub-pixels 7 of color.By borderline region 8 zonings, the first color sub-pixel 6 and the second color sub-pixel 7.It is that L0, width are the rectangular shape of W0 that unit picture element UP1 has length, has 40000 μ m
2Above area.The first color sub-pixel 6 and the second color sub-pixel 7 have single continuous plane domain respectively.It is that L0, width are that regional G1 and the length of W1 is that L2, width are the regional G2 of W3 that the first color sub-pixel has length.Similarly, to have length be that L0, width are that regional M1 and the length of W4 is that L2, width are the regional M2 of W2 to the second color sub-pixel 7.Herein, W1～W4 is respectively identical length, and is no more than 100 μ m.And the regional G1 of the first color sub-pixel 6 and regional G2 have the periodic shapes that spacing is P1 at directions X.Similarly, the regional M1 of the second color sub-pixel 7 and regional M2 have the periodic shapes that spacing is P2 at directions X.The first color sub-pixel 6 and the second color sub-pixel 7 have the shape of mutual interlock.Thus, the observer then discerns the first color sub-pixel 6 and the second color sub-pixel 7 indissociably if observe this unit picture element, adds the mixture of colours.
In addition, the distance between the center line Cm of the regional M2 of the center line C1 of the regional G1 of the first color sub-pixel 6 and the second color sub-pixel 7 is no more than 100 μ m.The regional M2 or the distance between the regional M1 of the center line Cg of the regional G2 of the first color sub-pixel 6 and the second color sub-pixel 7 are no more than 100 μ m.And the length L x of the center line of the borderline region 8 of the first color sub-pixel 6 and the second color sub-pixel 7 is defined as Lx=(L0+W0)+2L2+ (W0-2W1-2W4), is more than 1/2 of perimeter L s=2 (L0+W0) of unit picture element UP1.Therefore, even the length of W1～W4 is different respectively, but, satisfying following condition gets final product, that is: the distance than the center line of length direction than the regional M1 of the center line separately of length direction and the second color sub-pixel 3 or regional M2 of the regional G1 of the first color sub-pixel 2 and regional G2 is no more than 100 μ m, and the length of the boundary line of the zoning first color sub-pixel 2 and the second color sub-pixel 3 is more than 1/2 of girth of unit picture element UP1.In color layout shown in Figure 25, usually, be 40000 μ m as long as the distance between the center line in each zone of each the regional center line of the first color sub-pixel 2 and the second color sub-pixel 3 is no more than the area of 100 μ m, unit picture element UP1
2More than and satisfy formula (2) and get final product.
2L2+W0≥2(W1+W4) …(2)
And, first sub-pixel 6 in unit picture element UP1 has regional G1, G2 ... Gn (n is the integer more than 2), the second color sub-pixel 7 have regional M1, M2 ... under the situation of Mn, be 40000 μ m as long as the distance of the center line in the zone of the adjacency of the first color sub-pixel 6 and the second color sub-pixel 7 is no more than the area of 100 μ m, unit picture element UP1
2More than and satisfy formula (3) and get final product.
2(n-1)L2+W0＞2(W1+W4) …(3)
Fig. 3 is the planimetric map of the color filter substrate (color layout 10 of dyed layer) that schematically shows present embodiment.As shown in the figure, unit picture element UP1 has three sub-pixels of the first red sub-pixel 11r, the green second sub-pixel 11g and blue the 3rd sub-pixel 11b.Unit picture element UP1 is the square that length L 0 and width W 0 are respectively 300 μ m, and (L0 * W0) is 90000 μ m to its area
2, on directions X and Y direction, arrange and the formation matrix.In addition, the configuration second sub-pixel 11g between the first sub-pixel 11r and the 3rd sub-pixel 11b.The first sub-pixel 11r and the second sub-pixel 11g carry out zoning by borderline region 12, and in addition, the second sub-pixel 11g and the 3rd sub-pixel 11b carry out zoning by borderline region 13.
It is that 50 μ m (L2), length are that region R 1 and the width of 225 μ m (W2+W3) is that 50 μ m (L6), length are the region R 2 of 225 μ m (W2+W3) that the first sub-pixel 11r has width.Therefore, each region R 1, R2 width all are no more than 100 μ m, and form the periodic shapes of 150 μ m (L3+L4+L5+L6) spacings.The second sub-pixel 11g has regional G1, G2, G3, the G4 that width is 25 μ m, and has the periodic shapes that spacing is 75 μ m (P1).In addition, to have width be that 50 μ m (L4 and L8), length are area B 1, the area B 2 of 225 μ m (W3+W4) to the 3rd sub-pixel 11b.Therefore, area B 1, B2 width all are no more than 100 μ m, and the formation spacing is the periodic shapes of 150 μ m (L5+L6+L7+L8).The mutual interlock of the periodic shapes of each sub-pixel.Consequently, the observer can not separate the first sub-pixel 11r and the second sub-pixel 11g and second sub-pixel and the 3rd sub-pixel 11b of this unit picture element UP1, observes and carries out the mixed color of additive color.
And, being not limited to the length and the width of present embodiment, the first sub-pixel 11r, the second sub-pixel 11g and the 3rd sub-pixel 11b area separately also can be inequality.The area of unit picture element UP1 is 90000 μ m
2More than, each sub-pixel can have the zone of the periodic shapes that is no more than 100 μ m.For example, under the situation of the color layout shown in the present embodiment 10, can enlarge the length L 0 of unit picture element UP1, also can increase the quantity in zone with periodic shapes.In addition, width W 0 can make that to satisfy area be 90000 μ m
2Above any width.And, be not limited to the color of RGB, can use the shades of colour of MYC, in addition, also can use other colors.
In addition, each distance than between the center line Cb of length direction of the area B 1 than the center line Cr of length direction and the 3rd sub-pixel 11b of the region R 1 of the first sub-pixel 11r, R2, B2 is 75 μ m.In addition, the length of the center line of the length of the center line of borderline region 12 and borderline region 13 is 1200 μ m, is more than 1/2 of unit picture element UP1 girth 1200 μ m.In the present embodiment, in width 75 μ m, comprise three zones of the first sub-pixel 11r, the second sub-pixel 11g and the 3rd sub-pixel 11b.Consequently, the observer is the first sub-pixel 11r, the second sub-pixel 11g of observation unit's pixel UP1 and each zone of the 3rd sub-pixel 11b indissociably, observes and carries out the mixed color of additive color.
And also be not limited to described shape this moment, for example, length L 0 can be expanded to 395 μ m, if the area of unit picture element UP1 is 90000 μ m
2Above scope can be decided to be W0 value arbitrarily.In addition, length L 1, L3, L5, L7, width W 1, W2, W4 and W5 can be inequality.Similarly, length L 2, L4, L6 and L8 can be inequality.
In the present embodiment, as shown in Figure 3, the first sub-pixel 11r has region R 1, two zones of R2, and the 3rd sub-pixel 11b has two zones of B1, B2, and the condition that each sub-pixel is had m (m is the integer more than 2) zone describes.At this moment, the center line in the zone of each protuberance of the first sub-pixel 11r and across the second sub-pixel 11g and the distance between the center line in the zone of each protuberance of the 3rd sub-pixel 11b of adjacency is no more than 100 μ m.The area of unit picture element UP1 is 90000 μ m
2More than.In addition, the length of the center line of borderline region 12 is Lx1=L0+2m (W0-W1-W4-W5), the length of the center line of borderline region 13 is Lx2=L0+2m (W0-W1-W2-W5), because needing each Lx1 and Lx2 is 1/2 promptly more than (L0+W0) of girth of unit picture element UP1, so, satisfy formula (4) and formula (5) gets final product.
W0≥2m(W1+W4+W5)/(2m-1)…(4)
W0≥2m(W1+W2+W5)/(2m-1)…(5)
Fig. 4 is the planimetric map of the color filter substrate (color layout 15 of display body) that schematically shown present embodiment.As shown in the figure, unit picture element UP1 has the mutually different first sub-pixel 16a of color, the second sub-pixel 16b, the 3rd sub-pixel 16c and the 4th sub-pixel 16d.Unit picture element UP1 is the square that length L 0 and width W 0 are respectively 320 μ m, and (L0 * W0) is 0.1 square millimeter (mm) to its area approximately, arranges and constitutes matrix in directions X and Y direction.In addition, for each sub-pixel, configuration second sub-pixel 16b and the 3rd sub-pixel 16c between the first sub-pixel 16a and the 4th sub-pixel 16d.The first sub-pixel 16a and the second sub-pixel 16b carry out zoning by borderline region 17, and the second sub-pixel 16b and the 3rd sub-pixel 16c carry out zoning by borderline region 18, and the 3rd sub-pixel 16c and the 4th sub-pixel 16d carry out zoning by borderline region 19.
Except the region D 1 of the regional A1 of the first sub-pixel 16a and regional A2 and the 4th sub-pixel 16d and the region D 2, the width of each sub-pixel is 20 μ m.It is that 40 μ m (L1), length are the identical shape of 240 μ m (W2) that the region D 1 of the regional A1 of the first sub-pixel 16a and regional A2 and the 4th sub-pixel 16d and region D 2 have width, and constitutes the periodic regions that spacing is 160 μ m respectively.In addition, it is the periodic shapes of 160 μ m that the area B 1 of the second sub-pixel 16b, B2 and area B 3, area B 4 constitute spacing, and has the width of 20 μ m respectively.In addition, it is the periodic shapes of 160 μ m that the zone C 1 of the 3rd sub-pixel 16c, C2 and zone C 3, C4 constitute spacing, and has the width of 20 μ m respectively.Therefore, each sub-pixel has the periodic shapes that width is no more than 100 μ m, and has the shape of mutual interlock.Consequently, the observer can not distinguish the first sub-pixel 16a and the second sub-pixel 16b, the second sub-pixel 16b and the 3rd sub-pixel 16c, the 3rd sub-pixel 16c and the 4th sub-pixel 16d that discerns this unit picture element UP1 discretely, can observe and carry out the mixed color of additive color.
And the width of the L0 of unit picture element UP1 or the size of W0 or each sub-pixel also can not be aforesaid numerical value.For example, also can expand the side L0 of unit picture element UP1 to about 1.5mm, the number in the zone of the protuberance that constitutes the first sub-pixel 16a or the 4th sub-pixel 16d is increased, thus, unit picture element UP1 can be expanded to size arbitrarily.Similarly, width W 0 can be decided to be the area that satisfies unit picture element UP1 is 90000 μ m
2Above any number.In addition,, on the Y direction, repeat identical shape, on the Y direction, can divide the scope of the unit picture element UP1 that represents by dashed line at an arbitrary position for unit picture element UP1.In addition, in the present embodiment, the area that makes each sub-pixel is an area identical, still, is not limited to this.
In addition, each distance than between the center line Cc of length direction of the zone C 2 than the center line Ca of length direction and the 3rd sub-pixel 16c of regional A1, the A2 of the first sub-pixel 16a, C3, C4 is 50 μ m.Similarly, each distance than between the center line Cb of length direction of the area B 1 than the center line Cd of length direction and the second sub-pixel 16b of the region D 1 of the 4th sub-pixel 16d, D2, B2, B3, B4 is 50 μ m.In addition, borderline region 17,18 and 19 length are 1280 μ m, are more than 1/2 of girth 1280 μ m of unit picture element UP1.Therefore, in width is the scope of 50 μ m, hold three sub-pixels at least,, observe and carry out the mixed color of additive color even the pixel UP1 of observer observation unit can not discern each sub-pixel discretely.
And, the invention is not restricted to described each shape, for example, the side L0 of unit picture element UP1 can be expanded to the size of 610 μ m.In addition, width W 0 can be decided to be satisfy unit picture element UP1 area at 90000 μ m
2Above any width.In addition, the width of each sub-pixel or length L 1 also can be different.
In Fig. 4, the first sub-pixel 16a has regional A1, A2, and the 4th sub-pixel 16d has region D 1, D2, and the condition when each sub-pixel is had q (q is the integer more than 2) these zones describes.Under this situation, the distance between each regional center line of the center line in the zone of each protuberance of the first sub-pixel 16a and the 3rd sub-pixel 16c by the second sub-pixel 16b adjacency is no more than 100 μ m.The area of unit picture element UP1 is at 90000 μ m
2More than.In addition, the width of the Y direction of the first sub-pixel 16a is decided to be W1, similarly, each width of the Y direction of the second sub-pixel 16b, the 3rd sub-pixel 16c and the 4th sub-pixel 16d is decided to be W3, W4 and W5, then the length of the center line separately of borderline region 17,18,19 is Lx3=Lo+2q (W0-W1-W3-W4-W5), owing to be being 1/2 or more more than (L0+W0) of girth of unit picture element UP1, thereby satisfy formula (6) and get final product.
W0≥2q(W1+W3+W4+W5)/(2q-1)…(6)
Embodiment 5
Fig. 5 is the planimetric map of the color filter substrate (color layout 20 of dyed layer) of expression present embodiment.As shown in the figure, unit picture element UP1 has the second sub-pixel 21g and the 3rd blue sub-pixel 21b of the first red sub-pixel 21r, green.Unit picture element UP1 length is that 300 μ m (L0), width are 320 μ m (W0), and area is 96000 μ m
2It is that 40 μ m (W1), length are that region R 1 and the width of 300 μ m (L0) is that 100 μ m (L2), length are the rectangular area R2 of 160 μ m (W3) that the first sub-pixel 21r has width.The second sub-pixel 21g has: width is that 30 μ m (L1), length are the rectangular area G1 of 200 μ m (W2+W3); Length is that 100 μ m (L2), width are the rectangular area G2 of 40 μ m; Length is that 200 μ m (W2+W3), width are the regional G3 of the rectangle of 70 μ m (L3); Length is that 100 μ m (L4), width are the rectangular area G4 of 40 μ m (W2).The 3rd sub-pixel 21b comprises: length is that 300 μ m (L0), width are the rectangular area B1 of 40 μ m (W4); Length is that 160 μ m (W3), width are the area B 2 of the rectangle of 100 μ m (L4).Therefore, in the present embodiment, the anyon pixel does not have the zone of periodic shapes among the unit picture element UP1.
Herein, the region R 1 of the first sub-pixel 21r, R2's is respectively 40 μ m (X2), 85 μ m (Y2) and 65 μ m (Y1) than the center line Cr of length direction and regional G4, G3 and the distance between the regional G1 of the second sub-pixel 21g.Similarly, regional G2, the G3's of the second sub-pixel 21g is respectively 40 μ m (X2) and 85m (Y3) than the center line Cg of length direction and the area B 1 of the 3rd sub-pixel 21b, the distance than between the center line Cb of length direction of B2.In addition, the length of the center line of the borderline region 23 between the length of the center line of the borderline region 22 between the first sub-pixel 21r and the second sub-pixel 21g and the second sub-pixel 21g and the 3rd sub-pixel 21b is respectively 620 μ m, is more than 1/2 of girth 1240 μ m of unit picture element UP1.Consequently, the observer is the first sub-pixel 21r and the second sub-pixel 21g or the second sub-pixel 21g and the 3rd sub-pixel 21b of observation unit's pixel UP1 indissociably, observes and carry out the mixed color of additive color.
And, in the present invention, be not limited to described each shape, for example, the side L0 of unit picture element UP1 further can be enlarged, be 40000 μ m at the area that satisfies unit picture element UP1
2In the above scope, width W 0 can be set at arbitrary value.In addition, be 40000 μ m at the area that satisfies unit picture element UP1
2Scope in can make shape after dwindling.In addition, the color of each sub-pixel is not RGB, also can use YMC or other colors.
Embodiment 6
Fig. 6 is the planimetric map of the color filter substrate (color layout 25 of dyed layer) that schematically shown present embodiment.As shown in the figure, unit picture element UP1 has the second sub-pixel 26g and the 3rd blue sub-pixel 26b of the first red sub-pixel 26r, green.Unit picture element UP1 length is that 300 μ m (L0), width are that 300 μ m (W0), area are 90000 μ m
2The first sub-pixel 26r has width and is about the periodic shapes of region R 1, R2 and R3 that 50 μ m (L2), length are about the protuberance of 100 μ m (W2).The second sub-pixel 26g has width and is about the periodic shapes of regional G1～G6 that 50 μ m (L1, L2), length are about the protuberance of 100 μ m (W2, W3).The 3rd sub-pixel 26b has width and is about the periodic shapes that 50 μ m (L1), length are about the protuberance of 100 μ m (W3).The spacing of the periodic shapes of each sub-pixel is 100 μ m (P1).The mutual interlock of the periodic shapes of the protuberance of these adjacency.Thus, the observer can not individually observe region R 1～R3 of the first sub-pixel 26r of this unit picture element UP1 and regional G1～G3 of the second sub-pixel 26g, observes the mixed color of additive color.The periodic shapes of the interlock between the second sub-pixel 26g and the 3rd sub-pixel 26b too.
And, be not limited to described length or width, be 40000 μ m at the area that satisfies unit picture element UP1
2In the above scope, can make Y direction or directions X narrower or shorter, on the contrary, also can enlarge.And, can increase the quantity of periodic shapes, the length of Y direction can be made length arbitrarily.Directions X too.
In addition, the distance between the center line of regional G1, the G2 of the center line of region R 1, R2 and the R3 of the first sub-pixel 26r and the second sub-pixel 26g and G3 is 50 μ m.In addition, the distance between area B 1, B2 and the B3 of the center line of regional G4, the G5 of the second sub-pixel 26g and G6 and the 3rd sub-pixel 26b is 50 μ m.The length of the center line of the borderline region 28 of the length of the center line of the borderline region 27 of the first sub-pixel 26r and the second sub-pixel 26g and the second sub-pixel 26g and the 3rd sub-pixel 26b all is roughly 780 μ m, than the girth of unit picture element UP1 1/2 promptly 600 μ m (L0+W0) are long.Consequently, the observer discerns the protuberance of the protuberance of the first sub-pixel 26r and the second sub-pixel 26g indissociably and discerns the protuberance of the second sub-pixel 26g indissociably and the protuberance of the 3rd sub-pixel 26b, observes and carries out the mixed color of additive color.
In Fig. 6, the first sub-pixel 26r and the 3rd sub-pixel 26b have three protuberances, and the second sub-pixel 26g is between them, and the condition when all having v (v is the integer more than 2) for the first sub-pixel 26r and the 3rd sub-pixel 26b describes.In such cases, regional G1, G2 and the distance between the G3 of the center line of region R 1, R2 and the R3 of the first sub-pixel 26r and the second sub-pixel 26g are no more than 100 μ m, and the distance between area B 1, B2 and the B3 of regional G4, the G5 of the second sub-pixel 26g and the center line of G6 and the 3rd sub-pixel 26b is no more than 100 μ m.The area of unit picture element UP1 is 40000 μ m
2More than.In addition, since the length of the center line of borderline region 27 roughly be L0+2v (0.8 * W2), the length of the center line of borderline region 28 roughly is L0+2v (0.8 * W3), thereby, these length need be more than 1/2 promptly more than (L0+W0) of the girth of unit picture element UP1, so satisfy formula (7) and formula (8) gets final product.
2v(0.8×W2)W0…(7)
2v(0.8×W3)W0…(8)
Fig. 7 is the sectional view that schematically shows liquid crystal indicator 30, and this liquid crystal indicator 30 has used the color filter substrate with color layout shown in Figure 6 25.In Fig. 7 and Fig. 6, structure that identical symbolic representation is identical or function.Liquid crystal indicator 30 is made of liquid crystal panel 45 and back light part 43.Liquid crystal panel 45 comprises: color filter substrate 44; Be formed with the opposed substrate 37 of opposite electrode 36 inside; Liquid crystal layer 35 by these two pieces of substrate clampings; Be arranged on the Polarizer 38,39 of two pieces of substrate outsides.Color filter substrate 44 has color layout shown in Figure 6 25, and shows the section of the part X-X ' of Fig. 6 especially.Color filter substrate 44 comprises: the transparent substrates 31 of glass etc.; Form dyed layer 26 thereon; Form planarization layer 33 thereon; And transparency electrode 34.In addition, the mode with covering transparent electrode or opposite electrode forms not shown alignment films.In addition, dyed layer 26 comprises: the dyed layer 26r that is dispersed with red pigment; Be dispersed with the dyed layer 26g of viridine green; Be dispersed with the dyed layer 26b of blue pigment; And the photomask 27 that is dispersed with black pigment.For each dyed layer, the propylene that coating is dispersed with pigment on transparency electrode 31 is a photoresist, exposes after drying, development treatment, is processed to form predetermined figure.Planarization film 33 is formed by propylene resin, makes the concavo-convex planarization that film thickness difference caused because of each dyed layer 26r, 26g and 26b or photomask 27.In addition, contain clearance material 42 in the liquid crystal layer 35, this clearance material 42 is used for predetermined distance maintaining color filter substrate 44 and opposed substrate 37.
The figure of each dyed layer 21r, 21g and 21b and the figure of the opposite electrode 36 on the opposed substrate 37 have just as shape.That is, opposite electrode 36 has and each sub-pixel 26r, 26g shown in Figure 6 and 26b flat shape much at one, and forms continuously in Y direction (with reference to Fig. 6).On the other hand, transparency electrode 34 forms striated at directions X (with reference to Fig. 6).And transparency electrode 34 constitutes a unit picture element UP1 with the zone that opposite electrode 36 intersects.
Back light part 43 is made of light source 41 and light diffusing sheet 40.Light source 41 is provided with the fluorescent tube that sends white light or the LED of three looks on transverse direction, by light guide plate with the photoconduction that sent to central portion, by light diffusing sheet 40 liquid crystal panel 45 irradiations upward.Perhaps, can use send white light organic EL luminous element as light source 41.
In the liquid crystal indicator 30, the transparency electrode 34 that electrode by a plurality of striateds is constituted by line scans with supplying with sweep signal successively item by item, during this sweep signal of supply, to corresponding to the of all kinds corresponding picture signal of transparency electrode of all kinds 36 supplies, show thereby carry out image with RGB.
And, on dyed layer 26, form transparency electrode 34, still, also can on transparent substrates 31, form transparency electrode 34, form dyed layer 26 thereon.In addition, can between dyed layer 26 and transparent substrates 31, form the reflectance coating of metallic film etc., make the reflective Type Color Filter that reflection-type liquid-crystal display device is used.In addition, the zone of the reflectance coating that does not form hole etc. can be set on a part that is formed on the reflectance coating between dyed layer 26 and the transparent substrates 31, make the Semitransmissive color filter.In addition, liquid crystal indicator shown in Figure 7 is represented the example of passive matrix liquid crystal indicator, still, can make the active array type LCD that is provided with TFT according to the unit picture element UP1 of the inside surface of each transparent substrates 31 or opposed substrate 37.
Herein, the liquid crystal indicator of the color filter that used color layout shown in Figure 6 is described, still, also identical under the situation of the liquid crystal indicator of the color filter of the color layout of having used Fig. 1～shown in Figure 5 certainly.
Embodiment 7
Secondly, to using the EL luminophor to describe as dyed layer and by TFT element display device that drive, emissive type.Fig. 8 is illustrated in the equivalent circuit diagram of equivalent electrical circuit 50 that the constituent parts pixel is provided with the display body of EL element.Fig. 9 schematically shows the planimetric map of layout 60 of the unit picture element of equivalent electrical circuit shown in Figure 8 50.Figure 10 is the schematic cross sectional view of a part of Y-Y ' with display body 70 of unit picture element UP shown in Figure 9.
As shown in Figure 8, TFT53, the EL light-emitting component 54 of the electric capacity 52 of the TFT51 that used by input data signal of each sub-pixel, storage usefulness, electric current restriction usefulness constitute.The sub-pixel component unit pixel UP that constitutes of all kinds by RGB.Concerning each sub-pixel, the grid of TFT51 is connected with sweep trace X1, and drain electrode is connected with data-signal destination Db, and source electrode is connected with a terminal of electric capacity 52.A terminal of electric capacity 52 is connected with electric current supplying wire Ib, and another terminal is connected with the source electrode of TFT51 and the grid of TFT53.The drain electrode of TFT53 is connected with electric current supplying wire Ib, and source electrode is connected with the anode of EL light-emitting component 54.The negative electrode of EL light-emitting component 54 connects with the common electrode 57 that is connected jointly.
As follows the display device of utilizing this EL light-emitting component 54 is driven.At first, successively to sweep trace X1, X2, X3 ... supply with sweep signal.During the selection of supplying with sweep signal, supply with and the corresponding data-signal of each color to data signal line Dr, Dg, Db.For example, if select sweep trace X1, the then TFT51 conducting that is connected with this sweep trace X1 of gate electrode.So, the data-signal that offers data signal line Drb is sent to source electrode from drain electrode, electric capacity 52 is charged.Grid to TFT53 applies the data-signal that electric capacity 52 is charged, according to the size of this data-signal, and the source electrode of transistor 53, drain electrode conducting.According to the source electrode of TFT53, the conducting resistance between drain electrode, to the anode supplying electric current of EL light-emitting component 54, luminosity changes according to the size of data-signal.To all sweep trace X2, X3 ... scan, thereby image is shown.
Fig. 9 represents the layout 60 with the similar unit picture element UP of the layout of color filter substrate shown in Figure 5 (with reference to Fig. 8).Have between sweep trace X1 and the X2: the R sub-pixel, by the R light-emitting zone 56r that sends R coloured light be used to drive this regional R drive circuit area 55r and constitute; The G sub-pixel, by the G light-emitting zone 56g that sends G coloured light be used to drive this regional G drive circuit area 55g and constitute; The B sub-pixel, by the B light-emitting zone 56b that sends B coloured light be used to drive this regional B drive circuit area 55b and constitute.By data signal line Dr and electric current supplying wire Ir clamping R sub-pixel.Similarly, G sub-pixel and B sub-pixel are respectively by data signal line Dg and electric current supplying wire Ig and data signal line Db and electric current supplying wire Ib clamping.In addition, the distance than the center line of length direction than the regional G1 of the center line of length direction and G sub-pixel and regional G2 of the region R of R sub-pixel is no more than 100 μ m, similarly, the distance than the center line of length direction than the regional G2 of the center line of length direction and G sub-pixel of the area B of B sub-pixel also is no more than 100 μ m.In addition, the length of the center line of the length of the center line of the borderline region between R sub-pixel and the G sub-pixel (comprising electric current supplying wire Ir or data signal line Dg in this zone) and the borderline region between G sub-pixel and the B sub-pixel (comprising circuit supply line Ig or data signal line Db in this zone) is more than 1/2 of girth of unit picture element.And layout 60 shown in Figure 9 is examples, can use Fig. 1 to arrive any one layout shown in Figure 6.
Figure 10 illustrates the schematic cross sectional view of part Y-Y ' of the display body 70 of the unit picture element UP with Fig. 9.On the surface of transparent substrates 77, form data line Dr, Dg, Db and electric current supplying wire Ir, the Ig that constitutes by aluminium as conductor.In addition, form transparency electrode 76r, 76g, 76b at each light-emitting zone 56r, 56g, 56b, form each layer of hole injection layer 75r, 75g, 75b, hole transporting layer 74r, 74g, 74b, luminescent layer 73r, 73g, 73b, electron supplying layer 72r, 72g, 72b thereon as the negative electrode of EL light-emitting component.Luminescent layer 72r mixes and sends the adulterant of R coloured light, and luminescent layer 72g mixes and sends the adulterant of G coloured light, and luminescent layer 72b mixes and sends the adulterant of B coloured light.
If use configuration, the spread geometry utilize dyed layer of the present invention, even then under the situation of the bigger unit picture element of area, the observer also can observe and carry out the mixed demonstration of additive color.In addition and since with the corresponding dyed layer of each pixel be not shape independently, but can also can be used in the passive display device of the shape of drain electrode that need be identical at vertical or horizontal upper edge horizontal line continuous configuration, spread geometry with dyed layer.
Claims (10)
1. color filter substrate is formed with by the mutually different a plurality of sub-pixels of color and constitutes a unit picture element and carry out the color filter that two-dimensional arrangement forms with rectangular, it is characterized in that,
The area of described unit picture element is more than 40000 square microns,
Each sub-pixel of described a plurality of sub-pixels is following shape, the zone that has than length direction periodically is set, and these zones that periodically are provided with forms that is:,
Certain subpixel area than the center line of length direction and and the distance than between the center line of length direction of other subpixel area of this sub-pixel adjacency be no more than 100 microns,
The length of the boundary line of these sub-pixels of zoning is more than 1/2 of girth of described unit picture element,
Each sub-pixel has the zone of the periodic shapes that is no more than 100 microns.
2. color filter substrate as claimed in claim 1 is characterized in that,
Described unit picture element area is more than 90000 square microns,
Configuration second sub-pixel between first sub-pixel of described a plurality of sub-pixels and the 3rd sub-pixel, the distance than between the center line of length direction than the subpixel area of the center line of length direction and described the 3rd color of the subpixel area of described first color is no more than 100 microns, and the length of the boundary line of the sub-pixel of the length of the boundary line of the sub-pixel of described first color of zoning and the sub-pixel of described second color and the sub-pixel of described second color of zoning and described the 3rd color is more than 1/2 of girth of described unit picture element.
3. color filter substrate, on substrate, be formed with by the mutually different a plurality of sub-pixels of color constitute a unit picture element and with rectangular carry out that two-dimensional arrangement forms color filter, it is characterized in that,
The area of described unit picture element is more than 40000 square microns,
Each sub-pixel of described a plurality of sub-pixels is following shape, periodically the zone that line width is no more than 100 microns is set, and these zones that periodically are provided with forms that is:,
Mode with the regional interlock of the periodicity setting of the zone of the periodicity setting of a sub-pixel in described a plurality of sub-pixels and another sub-pixel disposes,
Each sub-pixel has the zone of the periodic shapes that is no more than 100 microns.
4. color filter substrate as claimed in claim 3 is characterized in that,
The area of described unit picture element is more than 90000 square microns, and, have the mutually different sub-pixel more than three of color, the sub-pixel of configuration second color between the sub-pixel of the sub-pixel of first color and the 3rd color.
5. liquid crystal indicator is characterized in that having:
The color filter substrate of any one structure of claim 1～4; Be formed on the transparency electrode on the described color filter substrate; Be formed with the opposed substrate of opposite electrode; Be clamped in the liquid crystal between described transparency electrode and the described opposite electrode.
6. liquid crystal indicator as claimed in claim 5 is characterized in that,
One in described transparency electrode and the described opposite electrode is scan electrode, and another is a signal electrode; Use described scan electrode and described signal electrode to carry out passive drive; Described signal electrode is to form with roughly the same shape with the corresponding mode of the shape of each described a plurality of sub-pixel.
7. colour display device has by the different a plurality of sub-pixels of Show Color and constitutes a unit picture element and carry out the display surface that two-dimensional arrangement forms with rectangular, it is characterized in that,
The area of described unit picture element is more than 40000 square microns,
Each sub-pixel of described a plurality of sub-pixels is following shape, periodically the zone that line width is no more than 100 microns is set, and these zones that periodically are provided with forms that is:,
Mode with the regional interlock of the periodicity setting of the zone of the periodicity setting of a sub-pixel and another sub-pixel disposes,
Each sub-pixel has the zone of the periodic shapes that is no more than 100 microns.
8. colour display device as claimed in claim 7 is characterized in that,
The area of described unit picture element is more than 90000 square microns,
Described a plurality of sub-pixel is to show the look different sub-pixel more than three,
The sub-pixel of configuration second color between the sub-pixel of the sub-pixel of first color and the 3rd color.
9. colour display device has by showing that look different a plurality of sub-pixels constitute a unit picture element and carry out the display surface that two-dimensional arrangement forms with rectangular, it is characterized in that,
Described unit picture element area is more than 40000 square microns,
Each sub-pixel of described a plurality of sub-pixels is following shape, the zone that has than length direction periodically is set, and these zones that periodically are provided with forms that is:,
The described zone of sub-pixel than the center line of length direction and and the distance than between the center line of length direction in the described zone of other sub-pixels of this sub-pixel adjacency be no more than 100 microns, described sub-pixel of zoning and described other the length of boundary line of sub-pixel are more than 1/2 of girth of described unit picture element
Each sub-pixel has the zone of the periodic shapes that is no more than 100 microns.
10. colour display device as claimed in claim 9 is characterized in that,
Described unit picture element area is more than 90000 square microns, and described a plurality of sub-pixels have the sub-pixel of the first different color of Show Color, the sub-pixel of second color, the sub-pixel of the 3rd color,
The sub-pixel of described second color of configuration between the sub-pixel of the sub-pixel of described first color and described the 3rd color, the distance than between the center line of length direction than the subpixel area of the center line of length direction and described the 3rd color of the subpixel area of described first color is no more than 100 microns, and the length of the boundary line of the sub-pixel of the length of the boundary line of the sub-pixel of described first color of zoning and the sub-pixel of described second color and the sub-pixel of described second color of zoning and described the 3rd color is more than 1/2 of girth of described unit picture element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006163313A JP4829011B2 (en) | 2006-06-13 | 2006-06-13 | Color filter substrate and color liquid crystal display device using the same |
| JP2006163313 | 2006-06-13 | ||
| JP2006-163313 | 2006-06-13 |
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| Publication Number | Publication Date |
|---|---|
| CN101089697A CN101089697A (en) | 2007-12-19 |
| CN101089697B true CN101089697B (en) | 2010-12-22 |
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| CN200710110340XA Expired - Fee Related CN101089697B (en) | 2006-06-13 | 2007-06-13 | Color filter substrate, LCD device and color display device using the same |
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| CN (1) | CN101089697B (en) |
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| JP5078653B2 (en) * | 2008-02-13 | 2012-11-21 | セイコーインスツル株式会社 | Color filter substrate, liquid crystal display device and display device |
| US9093399B2 (en) | 2009-05-28 | 2015-07-28 | Sharp Kabushiki Kaisha | Organic electroluminescence display device, method for producing same, color filter substrate and method for producing same |
| WO2012143817A2 (en) * | 2011-04-19 | 2012-10-26 | Koninklijke Philips Electronics N.V. | Light output panel and device having the same |
| JP5603897B2 (en) | 2012-03-23 | 2014-10-08 | 株式会社東芝 | Organic electroluminescence device and lighting device |
| CN108376528B (en) * | 2017-02-01 | 2022-12-27 | 精工爱普生株式会社 | Electro-optical device, electronic apparatus, and head-mounted display |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042369C (en) * | 1993-10-15 | 1999-03-03 | 罗姆股份有限公司 | Color liquid crystal display arrangement |
| CN2494010Y (en) * | 2001-06-25 | 2002-05-29 | 凌巨科技股份有限公司 | Color indicator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59106123A (en) * | 1982-12-11 | 1984-06-19 | Toshiba Corp | Nitride film forming apparatus |
| JP4436120B2 (en) * | 2002-12-18 | 2010-03-24 | シャープ株式会社 | Liquid crystal display device and manufacturing method thereof |
-
2006
- 2006-06-13 JP JP2006163313A patent/JP4829011B2/en not_active Expired - Fee Related
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042369C (en) * | 1993-10-15 | 1999-03-03 | 罗姆股份有限公司 | Color liquid crystal display arrangement |
| CN2494010Y (en) * | 2001-06-25 | 2002-05-29 | 凌巨科技股份有限公司 | Color indicator |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-229046A 2002.08.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101089697A (en) | 2007-12-19 |
| JP4829011B2 (en) | 2011-11-30 |
| JP2007333853A (en) | 2007-12-27 |
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