CN1797109A - LCD plate - Google Patents
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- CN1797109A CN1797109A CN 200410104144 CN200410104144A CN1797109A CN 1797109 A CN1797109 A CN 1797109A CN 200410104144 CN200410104144 CN 200410104144 CN 200410104144 A CN200410104144 A CN 200410104144A CN 1797109 A CN1797109 A CN 1797109A
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Abstract
The invention relates to a LCD panel, comprising a first substrate, a first electrode layer, a color filter film, a first aligning film, a second substrate, a second electrode layer, a second aligning film and a liquid crystal layer, where the first electrode layer is arranged on the first substrate, the color filter film is arranged on the first electrode layer, the first aligning film is arranged on the color filter film, the liquid crystal layer is arranged on the first aligning film, the second aligning film is arranged on the liquid crystal layer, the second electrode layer is arranged on the second aligning film, and the second substrate is arranged on the second electrode layer. Because the color filter film has a high dielectric constant (fox example, greater than 3, etc.), it can effectively increase the step voltage of the liquid crystal layer. The invention can improve the picture contrast of the LCD panel by the color filter film with high dielectric constant. In addition, the invention can reduce the dispersion of the LCD panel by control the dielectric constants of red, green and blue filter films of the color filter film.
Description
Technical field
The present invention relates to a kind of display panel, particularly relate to a kind of display panels.
Background technology
In recent years,, make the volume of video signal or device for image day by day be tending towards frivolous, and then drive the flourish of flat-panel screens (Flat Panel Display) along with the development of photoelectric technology and semiconductor fabrication.Tradition is used cathode-ray tube (CRT), and (Cathode Ray Tube though display CRT) still has its advantage, takes up space owing to it is bulky, and still has problem such as radiant rays ejaculation wound eye when showing.Therefore, flat-panel screens (the FlatPanel Display that cooperates photoelectric technology and semiconductor fabrication to be developed, FPD), LCD (Liquid Crystal Display for example, LCD), organic electro-luminescent display (Organic Electro-Luminescent Display, OELD) or plasma display panel (Plasma Display Panel PDP) etc., becomes the main flow of display product gradually.
Because advantages such as LCD has that external form is thin, in light weight, low operating voltage, power saving, full-colorization and low radiant rays will be so will become the main flow of 21st century display.LCD can be divided into penetration, reflective and semi-penetration, semi-reflective etc. according to its light source mechanism, wherein the type of reflective liquid-crystal display include liquid crystal projector (liquid crystal projector) and reflection type liquid crystal flat-panel screens (liquid crystal on silicon, LCOS) etc.
Seeing also shown in Figure 1ly, is the diagrammatic cross-section of the panel of existing known a kind of reflective liquid-crystal display.Existing known reflective liquid-crystal display panel 100 comprises two deposition substrate 110,120 and liquid crystal layers 130, and wherein liquid crystal layer 130 is to be disposed at two between the deposition substrate 110,120.Deposition substrate 110 comprises glass substrate 110a, electrode layer 112, protective seam 114, color filter film 116 and alignment film 118, and wherein the material of electrode layer 112 comprises aluminium.Electrode layer 112 is to be disposed on the glass substrate 110a, and protective seam 114 is to be disposed on the electrode layer 112.Color filter film 116 is to be disposed on the protective seam 114, and alignment film 118 is to be disposed on the color filter film 116.
This is deposition substrate 120, comprises a glass substrate 120a, a transparent electrode layer 122 and an alignment film 124, wherein the material of transparent electrode layer 122 comprise indium tin oxide (Indium-TinOxide, ITO).Transparent electrode layer 122 is to be disposed on the glass substrate 120a, and alignment film 124 is to be disposed on the transparent electrode layer 122.
The picture of reflective liquid-crystal display shows it is by with electrode layer 112 and transparent electrode layer 122 input voltages, utilize the potential difference (PD) between electrode layer 112 and the transparent electrode layer 122, decide the anglec of rotation of a plurality of liquid crystal molecules in the liquid crystal layer 130, and demonstrate different GTGs.
It should be noted that; owing between electrode layer 112 and transparent electrode layer 122, pressed from both sides protective seam 114; color filter film 116; two alignment films 118; 124 with liquid crystal layer 130; and make originally the potential difference (PD) between electrode layer 112 and transparent electrode layer 122 via protective seam 114; color filter film 116; two alignment films 118; after 124 the dividing potential drop; the cross-pressure (voltagedrop) that liquid crystal layer 130 is obtained will reduce; and then cause these liquid crystal molecules can't obtain enough cross-pressures and intactly rotation, make that the picture contrast of display degree of overall reflective formula LCD is not good.
Certainly; when the input same electrical is pressed on electrode layer 112 with transparent electrode layer 122; the thickness that can reduce protective seam 114, color filter film 116, two alignment films 118,124 is to reduce its dividing potential drop; and then relatively improve the cross-pressure that liquid crystal layer 130 is obtained; but because the thickness attenuation of color filter film 116 will cause the display color of reflective liquid-crystal display panel 100 to perform poor.
In addition, when the input same electrical is pressed on electrode layer 112 with transparent electrode layer 122, because a red filter coating, a green filter film of color filter film 116 are neither identical with the light reflectance of a blue filter coating (all not illustrating among the figure), so make reflective liquid-crystal display panel 100 produce higher chromatic dispersion.
This shows that above-mentioned existing display panels obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that display panels exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing display panels exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of display panels of new structure, can improve general existing display panels, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing display panels exists, and provide a kind of display panels of new structure, technical matters to be solved is to make it have the color filter film of a high-k, can improve the picture contrast of display degree of display panels, thereby be suitable for practicality more.
Another object of the present invention is to, a kind of display panels is provided, technical matters to be solved is to make its specific inductive capacity by red filter coating, green filter film and the blue filter coating of its color filter film of control, can reduce the chromatic dispersion of display panels, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of display panels that the present invention proposes, it comprises: one first substrate; One second substrate; One first electrode layer is disposed on this first substrate; One color filter film is disposed on this first electrode layer; And a liquid crystal layer, be disposed between this color filter film and this second substrate, wherein this color filter film has one greater than 3 specific inductive capacity, makes this liquid crystal layer have enough cross-pressures.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid display panels, wherein said color filter film are doped silicon nitride (siliconnitride).
Aforesaid display panels, wherein said first substrate more comprises a protective seam, is disposed between this first electrode layer and this color filter film.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of display panels that the present invention proposes, it comprises: one first substrate; One second substrate; One first electrode layer is disposed on this first substrate; One color filter film is disposed on this first electrode layer; An and liquid crystal layer, be disposed between this color filter film and this second substrate, wherein this color filter film comprises one first look filter coating, one second look filter coating and one the 3rd look filter coating, and this first look filter coating, this second look filter coating and the specific inductive capacity of the 3rd look filter coating have at least one with other the two is different.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid display panels, the specific inductive capacity of the specific inductive capacity of the wherein said first look filter coating＞this second look filter coating.
Aforesaid display panels, the specific inductive capacity of the specific inductive capacity of the wherein said second look filter coating＞the 3rd look filter coating.
Aforesaid display panels, wherein said color filter film are doped silicon nitride (siliconnitride).
Aforesaid display panels, wherein said first substrate more comprises a protective seam, is disposed between this first electrode layer and this color filter film.
Aforesaid display panels, wherein said display panels are a twisted nematic mode (Twisted Nematic Mode, TN-Mode) display panels.
Aforesaid twisted nematic mode display panels, the specific inductive capacity of the specific inductive capacity of the wherein said first look filter coating＞this second look filter coating.
Aforesaid twisted nematic mode display panels, the specific inductive capacity of the specific inductive capacity of the wherein said second look filter coating＞the 3rd look filter coating.
Aforesaid twisted nematic mode display panels, the wherein said first look filter coating is a blue filter coating.
Aforesaid twisted nematic mode display panels, the wherein said first look filter coating is a green filter film.
Aforesaid twisted nematic mode display panels, wherein said the 3rd look filter coating is a red filter coating.
Aforesaid display panels, wherein said display panels are a vertical alignment mode (Vertical Alignment Mode, VA-Mode) display panels.
Aforesaid vertical alignment mode liquid crystal display panel, the specific inductive capacity of the specific inductive capacity of the wherein said first look filter coating＞this second look filter coating.
Aforesaid vertical alignment mode liquid crystal display panel, the specific inductive capacity of the specific inductive capacity of the wherein said second look filter coating＞the 3rd look filter coating.
Aforesaid vertical alignment mode liquid crystal display panel, the wherein said first look filter coating is a red filter coating.
Aforesaid vertical alignment mode liquid crystal display panel, the wherein said first look filter coating is a green filter film.
Aforesaid vertical alignment mode liquid crystal display panel, wherein said the 3rd look filter coating is a blue filter coating.
By technique scheme, display panels of the present invention has following advantage at least: display panels of the present invention, because have the color filter film of a high-k, make when providing identical voltage in two electrode layers, the dividing potential drop of color filter film will reduce, and then the cross-pressure that relatively improves liquid crystal layer and obtained, make a plurality of liquid crystal of liquid crystal layer can obtain enough cross-pressures and start, and then improve the picture contrast of display degree of display panels.In addition, specific inductive capacity by red filter coating, green filter film and the blue filter coating of controlling color filter film, can change under identical driving voltage, the light reflectance of red filter coating, green filter film and blue filter coating, to reduce the chromatic dispersion of display panels effectively, and redness, an ancient woman's ornament Maqu line green and blue filter coating can be adjusted into and reach unanimity, and only need keep the corresponding circuits of one group of an ancient woman's ornament Maqu line, can reach the effect that three groups of an ancient woman's ornament Maqu line corresponding circuits are set.
In sum, the display panels of special construction of the present invention has the color filter film of a high-k, can improve the picture contrast of display degree of display panels.In addition, the present invention also by the specific inductive capacity of red filter coating, green filter film and the blue filter coating of controlling its color filter film, can reduce the chromatic dispersion of display panels.It has above-mentioned many advantages and practical value, and in like product, do not see have the similar structures design to publish or use and really genus innovation, no matter it all has bigger improvement on product structure or function, have technically than much progress, and produced handy and practical effect, and more existing display panels has the multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the diagrammatic cross-section that has the panel of known a kind of reflective liquid-crystal display now.
Fig. 2 is the diagrammatic cross-section of a kind of display panels of first embodiment of the invention.
Fig. 3 is a kind of display panels of first embodiment of the invention, the graph of a relation between the cross-pressure value of the specific inductive capacity of its color filter film and liquid crystal layer.
Fig. 4 is the diagrammatic cross-section of a kind of display panels of second embodiment of the invention.
Fig. 5 A is a kind of display panels of second embodiment of the invention, its red filter coating, green filter film and the blue filter coating R-V curve synoptic diagram under twisted nematic mode.
Fig. 5 B is a kind of display panels of second embodiment of the invention, its red filter coating, green filter film and the blue filter coating R-V curve synoptic diagram under vertical alignment mode.
100: reflecting type liquid crystal display panel 110,120: deposition substrate
110a: glass substrate 112: electrode layer
114: protective seam 116: color filter film
118: alignment film 120a: glass substrate
122: transparent electrode layer 124: alignment film
130: liquid crystal layer 200: display panels
210a: substrate 212: electrode layer
214: protective seam 216: color filter film
218: alignment film 220a: substrate
222: electrode layer 224: alignment film
230: liquid crystal layer 300: display panels
316: color filter film 316a: red filter coating
316b: green filter film 316c: blue filter coating
A, B, C, D, E, F: reference point of potential R: the longitudinal axis
V: transverse axis r1, r2, g1, g2, b1, b2: curve
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of display panels, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
[first embodiment]
Seeing also shown in Figure 2ly, is the diagrammatic cross-section of a kind of display panels of the first embodiment of the present invention.Display panels 200 of the present invention, for example comprise substrate 210a, electrode layer 212, color filter film 216, alignment film 218, substrate 220a, electrode layer 222, alignment film 224 and liquid crystal layer 230, wherein electrode layer 212 is to be disposed on the substrate 210a, and the material of this substrate 210a is for comprising silicon, plastic cement or glass, and the material of electrode layer 212 comprises aluminium etc.Color filter film 216 is to be disposed on the electrode layer 212, and this color filter film 216 is to have higher dielectric constant (for example being the specific inductive capacity greater than 3), and it is doped silicon nitride materials such as (silicon nitride) for example.Alignment film 218 is to be disposed on the color filter film 216.
This alignment film 224 is the tops (directly not contacting with alignment film 218) that are disposed at alignment film 218, and electrode layer 222 is to be disposed on the alignment film 224, wherein the material of electrode layer 222 comprise indium tin oxide (Indium-Tin Oxide, ITO) etc.Substrate 220a is disposed on the electrode layer 222, and the material of this substrate 220a comprises clear plastic or glass etc.Liquid crystal layer 230 is to be disposed between two alignment films 218,224, and be to have a plurality of liquid crystal molecules in this liquid crystal layer 230, when two substrates 210a, 220a passed through voltage, this moment, these liquid crystal molecules just can rotate along with the potential difference (PD) between this two substrates 210a, the 220a.And this display panels 200 is to can be liquid crystal on silicon (liquidcrystal on silicon, LCOS) panel.
In addition, display panels 200 of the present invention more can comprise protective seam 214, and wherein this protective seam 214 is to be disposed between electrode layer 212 and the color filter film 216, with guard electrode layer 212.
It should be noted that, because the color filter film 216 of display panels 200 of the present invention has higher dielectric constant, making is providing same electrical to be pressed on two electrode layers at 212,222 o'clock, the dividing potential drop that color filter film 216 is obtained will reduce, and then relatively improve the cross-pressure that liquid crystal layer 230 is obtained, make a plurality of liquid crystal molecules of liquid crystal layer 230 can obtain enough cross-pressures and intactly start, and then can improve the picture contrast of display degree of display panels 200.
In order to prove above-mentioned conclusion, with next description display panels 200 of the present invention, the experimental result between the cross-pressure value of the specific inductive capacity of its color filter film 216 and liquid crystal layer 230.Please continue to consult shown in Figure 2; the control of this experiment become because of the driving voltage that provides identical 5 volts (V) between two electrode layers 212,222; in Fig. 2; be that the rete interface that joins in twos between electrode layer 212, protective seam 214, color filter film 216, alignment film 218, liquid crystal layer 230, alignment film 224 and the electrode layer 222 is defined as different reference point of potential A, B, C, D, E, F respectively, with the convenient effect that illustrates that display panels of the present invention can be reached.
Under tabulate one for display panels of the present invention, the specific inductive capacity of its color filter film 216 is respectively and the relation between the cross-pressure value of reference point of potential A, B, C, D, E, F, color filter film 216 and liquid crystal layer 230.
Table one
| The specific inductive capacity of | 1 | 3 | 5 | 7 | 9 | 11 | 13 |
| Reference point of | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Reference point of potential E | 0.076 | 0.16 | 0.206 | 0.234 | 0.253 | 0.267 | 0.277 |
| Reference point of potential D | 1.39 | 2.519 | 2.587 | 2.859 | 3.046 | 3.182 | 3.285 |
| Reference point of potential C | 1.466 | 2.319 | 2.793 | 3.093 | 3.298 | 3.448 | 3.562 |
| Reference point of potential B | 4.869 | 4.723 | 4.644 | 4.595 | 4.562 | 4.539 | 4.521 |
| Reference point of potential A | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| The cross-pressure value of color filter film 216 (unit: volt) | 3.403 | 2.404 | 1.851 | 1.502 | 1.264 | 1.091 | 0.959 |
| The cross-pressure value of liquid crystal layer 230 (unit: volt) | 1.314 | 1.999 | 2.381 | 2.625 | 2.793 | 2.915 | 3.008 |
See also shown in the table one; this table one is that the current potential of supposition reference point of potential F (that is the interface between alignment film 224 and the electrode layer 222) is 0; and because this experiment is to apply 5 volts driving voltage between two electrode layers 212,222; therefore, the current potential of reference point of potential A (that is the interface between protective seam 214 and the electrode layer 212) is 5.Potential value by reference point of potential B deducts the cross-pressure value that reference point of potential C can try to achieve color filter film 216, and deducts the cross-pressure value that reference point of potential E can obtain liquid crystal layer 230 by the potential value of reference point of potential D.
Please continue to consult shown in the table one, for example, when the specific inductive capacity of color filter film 216 was 1, this moment, the cross-pressure value of color filter film 216 was 3.403 volts, and the cross-pressure value of liquid crystal layer 230 equals 1.314 volts; When the specific inductive capacity of color filter film 216 was 13, this moment, the cross-pressure value of this color filter film 216 was 0.959 volt, and the cross-pressure value of liquid crystal layer 230 equals 3.008 volts.In other words, when the specific inductive capacity of color filter film 216 was high more, then the cross-pressure value of color filter film 216 was low more, and comparatively speaking, the cross-pressure value of liquid crystal layer 230 is then high more.
Seeing also shown in Figure 3ly, is a kind of display panels of first embodiment of the invention, the graph of a relation between the cross-pressure value of the specific inductive capacity of its color filter film and liquid crystal layer.Can depict the curve map of Fig. 3 as according to the cross-pressure value of the specific inductive capacity of the listed color filter film 216 of above-mentioned table one and liquid crystal layer 230.When the specific inductive capacity of color filter film 216 has just begun to increase (when especially its specific inductive capacity rises to for 3 stage by 1), the increasing degree of the cross-pressure value of liquid crystal layer 230 is for the highest at this moment.In the time of after the specific inductive capacity of color filter film 216 increases to 5, the increasing degree of the cross-pressure value of liquid crystal layer 230 then tends towards stability more at this moment.
[second embodiment]
Seeing also shown in Figure 4ly, is the diagrammatic cross-section of a kind of display panels of second embodiment of the invention.Display panels 200 compared to above-mentioned first embodiment, the color filter film 316 of the display panels 300 of this second embodiment, comprise a red filter coating 316a, a green filter film 316b and a blue filter coating 316c, other members and relative position situation thereof as for display panels 300 are then identical with display panels 200, just repeat no more at this.
Seeing also shown in Fig. 5 A, is a kind of display panels of second embodiment of the invention, and its red filter coating, green filter film and blue filter coating are at twisted nematic mode (Twisted NematicMode, TN-Mode) the R-V curve synoptic diagram under.Please consult simultaneously shown in Fig. 4 and Fig. 5 A, the transverse axis V of this R-V curve synoptic diagram represents the cross-pressure value of liquid crystal layer 230, and longitudinal axis R represents the light reflectance of color filter film 316.Curve r1 represents the R-V curve of red filter coating 316a, and curve g1 represents the R-V curve of green filter film 316b, and curve b1 represents the R-V curve of blue filter coating 316c.When display panels 300 is twisted nematic mode, the light reflectance of curve r1, g1 and b1 is roughly to keep earlier along with the cross-pressure value of liquid crystal layer 230 gently, be the trend of successively decreasing afterwards again, wherein the operating voltage range of the display panels 300 of twisted nematic mode (that is allow the intactly voltage range of start of liquid crystal) is the section that successively decreases (not illustrating among the figure) that is located in curve r1, g1 and b1.
Please continue to consult simultaneously shown in Fig. 4 and Fig. 5 A again, when the cross-pressure value of liquid crystal layer 230 is 2.5 volts, this moment, the light reflectance of green filter film 316b was 50%, and the light reflectance of the light reflectance of the light reflectance of blue filter coating 316c＞green filter film 316b＞red filter coating 316a.In other words, the shown color of display panels 300 this moment will distortion, that is display panels 300 can show higher chromatic dispersion.
Chromatic dispersion problem for the display panels 300 that improves above-mentioned twisted nematic mode effectively, present embodiment then is by improving the specific inductive capacity of blue filter coating 316c originally, and allow the cross-pressure value of the liquid crystal layer 230 on the blue filter coating 316c raise, this moment, the light reflectance of blue filter coating 316c will reduce accordingly, and then leveled off to the light reflectance of green filter film 316b.In like manner, present embodiment is also by reducing the specific inductive capacity of red filter coating 316a originally, and allows the light reflectance of red filter coating 316a rise accordingly, and then levels off to the light reflectance of green filter film 316b.When red filter coating 316a, green filter film 316b and blue filter coating 316c under identical driving voltage, specific inductive capacity because of specific inductive capacity＞red filter coating 316a of specific inductive capacity＞green filter film 316b of blue filter coating 316c, make red filter coating 316a, green filter film 316b and blue filter coating 316c have close light reflectance respectively, so can reduce the chromatic dispersion of display panels 300 effectively.
Seeing also shown in Fig. 5 B, is a kind of display panels of second embodiment of the invention, and its red filter coating, green filter film and blue filter coating are at vertical alignment mode (Vertical AlignmentMode, VA-Mode) the R-V curve synoptic diagram under.Please consult simultaneously shown in Fig. 4, Fig. 5 B, when display panels 300 was vertical alignment mode, the transverse axis V of this R-V curve synoptic diagram represented the cross-pressure value of liquid crystal layer 230, and longitudinal axis R represents the light reflectance of color filter film 316.Curve r2 represents the R-V curve of red filter coating 316a, and curve g2 represents the R-V curve of green filter film 316b, and curve b2 represents the R-V curve of blue filter coating 316c.
Please consult simultaneously shown in Fig. 5 A, Fig. 5 B, R-V curve compared to the display panels of the twisted nematic mode of Fig. 5 A, curve r2, g2 and the b2 of the display panels of the vertical alignment mode among Fig. 5 B, its light reflectance be present earlier along with the cross-pressure value of liquid crystal layer 230 increase progressively, gently, the trend of successively decreasing again, the display panels 300 of vertical alignment mode wherein, its operating voltage range (that is allow the intactly voltage range of start of liquid crystal) be arranged in curve r2, g2 and b2 increase progressively section (figure does not illustrate).
Please consult simultaneously shown in Fig. 4 and Fig. 5 B, therefore, chromatic dispersion problem for the display panels 300 that improves twisted nematic mode effectively, so by reducing the specific inductive capacity of blue filter coating 316c originally, and the specific inductive capacity of the red filter coating 316a of raising script, (also being exactly the specific inductive capacity of specific inductive capacity＞blue filter coating 316c of specific inductive capacity＞green filter film 316b of red filter coating 316a), can allow the light reflectance of red filter coating 316a and blue filter coating 316c level off to the light reflectance of green filter film 316b respectively, to reduce the chromatic dispersion of display panels 300 effectively.
It should be noted that, when design display panels 300 of the present invention (no matter being twisted nematic mode or vertical alignment mode and other patterns etc.), when adjusting its red filter coating 316a, during the specific inductive capacity of green filter film 316b and blue filter coating 316c, all can allow its cross-pressure value of the corresponding liquid crystal layer 230 that produces be located in the operating voltage range (that is allow the intactly voltage range of start of liquid crystal) of display panels 300, make display panels 300 can manifest enough contrasts, and can allow display panels 300 have lower chromatic dispersion.
Please continue again to consult shown in Fig. 4, Fig. 5 A and Fig. 5 B and describe, in order to solve dispersion phenomenon, must give different driving voltages at red, green with blueness respectively, and the corresponding circuits of three groups of an ancient woman's ornament Maqu lines (gamma curve) must be set originally.Adjustment by color filter film 316 specific inductive capacity of the present invention, that is the red an ancient woman's ornament of foundation Maqu line is adjusted the specific inductive capacity of red filter coating 316a, the specific inductive capacity that the green an ancient woman's ornament of foundation Maqu line is adjusted green filter film 316b, and the specific inductive capacity of adjusting blue filter coating 316c according to blue an ancient woman's ornament Maqu line, and make adjusted redness, green and blue an ancient woman's ornament Maqu line reach unanimity, and only need keep the corresponding circuits of one group of an ancient woman's ornament Maqu line, can reach the effect that three groups of an ancient woman's ornament Maqu line corresponding circuits are set, be very suitable for practicality.
In sum, display panels of the present invention has following advantage:
(1), compared to existing known display panels, because the color filter film of display panels of the present invention has higher dielectric constant (for example greater than 3 etc.), so cross-pressure that can improve liquid crystal layer effectively and obtained, make a plurality of liquid crystal in the liquid crystal layer can obtain enough cross-pressures and intactly start, and then can improve the picture contrast of display degree of display panels.
(2), because display panels of the present invention can be by the specific inductive capacity of red filter coating, green filter film and the blue filter coating of controlling color filter film, and allowing the display panels of different alignment pattern (for example for twisted-nematic or vertical alignment mode) under identical driving voltage, its red filter coating, green filter film and blue filter coating all have close light reflectance.Therefore, compared to existing known display panels, display panels of the present invention then has lower chromatic dispersion.
(3), because display panels of the present invention can be by the specific inductive capacity of red filter coating, green filter film and the blue filter coating of controlling color filter film, make red, green and blue an ancient woman's ornament Maqu line reach unanimity, and only need keep the corresponding circuits of one group of an ancient woman's ornament Maqu line, can reach the effect that three groups of an ancient woman's ornament Maqu line corresponding circuits are set, thereby be suitable for practicality more.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (20)
1, a kind of display panels is characterized in that it comprises:
One first substrate;
One second substrate;
One first electrode layer is disposed on this first substrate;
One color filter film is disposed on this first electrode layer; And
One liquid crystal layer is disposed between this color filter film and this second substrate, and wherein this color filter film has one greater than 3 specific inductive capacity, makes this liquid crystal layer have enough cross-pressures.
2, display panels according to claim 1 is characterized in that wherein said color filter film is doped silicon nitride (silicon nitride).
3, display panels according to claim 1 is characterized in that wherein said first substrate more comprises a protective seam, is disposed between this first electrode layer and this color filter film.
4, a kind of display panels is characterized in that it comprises:
One first substrate;
One second substrate;
One first electrode layer is disposed on this first substrate;
One color filter film is disposed on this first electrode layer; And
One liquid crystal layer, be disposed between this color filter film and this second substrate, wherein this color filter film comprises one first look filter coating, one second look filter coating and one the 3rd look filter coating, and this first look filter coating, this second look filter coating and the specific inductive capacity of the 3rd look filter coating have at least one with other the two is different.
5, display panels according to claim 4 is characterized in that the specific inductive capacity of specific inductive capacity＞this second look filter coating of the wherein said first look filter coating.
6, display panels according to claim 5 is characterized in that the specific inductive capacity of specific inductive capacity＞the 3rd look filter coating of the wherein said second look filter coating.
7, display panels according to claim 4 is characterized in that wherein said color filter film is doped silicon nitride (silicon nitride).
8, display panels according to claim 4 is characterized in that wherein said first substrate more comprises a protective seam, is disposed between this first electrode layer and this color filter film.
9, display panels according to claim 4 is characterized in that wherein said display panels is a twisted nematic mode (Twisted Nematic Mode, a TN-Mode) display panels.
10, display panels according to claim 9 is characterized in that the specific inductive capacity of specific inductive capacity＞this second look filter coating of the wherein said first look filter coating.
11, display panels according to claim 10 is characterized in that the specific inductive capacity of specific inductive capacity＞the 3rd look filter coating of the wherein said second look filter coating.
12, display panels according to claim 10 is characterized in that the wherein said first look filter coating is a blue filter coating.
13, display panels according to claim 10 is characterized in that the wherein said first look filter coating is a green filter film.
14, display panels according to claim 11 is characterized in that wherein said the 3rd look filter coating is a red filter coating.
15, display panels according to claim 4 is characterized in that wherein said display panels is a vertical alignment mode (Vertical Alignment Mode, a VA-Mode) display panels.
16, display panels according to claim 15 is characterized in that the specific inductive capacity of specific inductive capacity＞this second look filter coating of the wherein said first look filter coating.
17, display panels according to claim 16 is characterized in that the specific inductive capacity of specific inductive capacity＞the 3rd look filter coating of the wherein said second look filter coating.
18, display panels according to claim 16 is characterized in that the wherein said first look filter coating is a red filter coating.
19, display panels according to claim 16 is characterized in that the wherein said first look filter coating is a green filter film.
20, display panels according to claim 17 is characterized in that wherein said the 3rd look filter coating is a blue filter coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101041448A CN100538462C (en) | 2004-12-30 | 2004-12-30 | Display panels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101041448A CN100538462C (en) | 2004-12-30 | 2004-12-30 | Display panels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1797109A true CN1797109A (en) | 2006-07-05 |
| CN100538462C CN100538462C (en) | 2009-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101041448A Expired - Fee Related CN100538462C (en) | 2004-12-30 | 2004-12-30 | Display panels |
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| Country | Link |
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| CN (1) | CN100538462C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298231A (en) * | 2010-06-22 | 2011-12-28 | 奇美电子股份有限公司 | Liquid crystal display device |
| CN104991384A (en) * | 2015-07-07 | 2015-10-21 | 昆山龙腾光电有限公司 | Liquid crystal display panel and liquid crystal display device |
| EP2985654A1 (en) * | 2010-12-16 | 2016-02-17 | Toppan Printing Co., Ltd. | Color filter substrate for oblique electric field liquid crystal display devices, and a liquid crystal display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558927A (en) * | 1992-09-17 | 1996-09-24 | Seiko Epson Corporation | Color filter for liquid crystal displays and film-forming apparatus |
-
2004
- 2004-12-30 CN CNB2004101041448A patent/CN100538462C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298231A (en) * | 2010-06-22 | 2011-12-28 | 奇美电子股份有限公司 | Liquid crystal display device |
| CN102298231B (en) * | 2010-06-22 | 2016-02-24 | 群创光电股份有限公司 | Liquid crystal indicator |
| EP2985654A1 (en) * | 2010-12-16 | 2016-02-17 | Toppan Printing Co., Ltd. | Color filter substrate for oblique electric field liquid crystal display devices, and a liquid crystal display device |
| CN104991384A (en) * | 2015-07-07 | 2015-10-21 | 昆山龙腾光电有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN104991384B (en) * | 2015-07-07 | 2019-02-22 | 昆山龙腾光电有限公司 | Liquid crystal display panel and liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100538462C (en) | 2009-09-09 |
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