CN103941463A - Color film substrate, liquid crystal display panel and liquid crystal display device thereof - Google Patents
Color film substrate, liquid crystal display panel and liquid crystal display device thereof Download PDFInfo
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- CN103941463A CN103941463A CN201310754149.4A CN201310754149A CN103941463A CN 103941463 A CN103941463 A CN 103941463A CN 201310754149 A CN201310754149 A CN 201310754149A CN 103941463 A CN103941463 A CN 103941463A
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Abstract
The invention provides a color film substrate, a liquid crystal display panel and a liquid crystal display device. The color film substrate comprises a substrate body and a color resistance layer arranged on the substrate body, the color film substrate further comprises a plurality of heating metal portions and a connecting electrode pair, the heating metal portions are electrically connected with the connecting electrode pair, and the heating metal portions are located in a display area. Through the color film substrate, the liquid crystal display panel and the liquid crystal display device, the heating portions can be arranged in a liquid crystal box, the liquid crystal can be more effectively heated, the thickness of the liquid crystal display device is reduced, the weight of the liquid crystal display device is reduced, the manual assembling process of the liquid crystal display device is simplified, the production period is shortened, and the transmittance of the liquid crystal display device is improved.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of display panels.
Background technology
Fig. 1 is the composition schematic diagram of the liquid crystal display module of prior art, as shown in Figure 1, traditional liquid crystal display module with heating function (Liquid Crystal Display Module, abbreviation LCM) 10 is generally by backlight 100, heating plate 105, the large module composition of display panels 110 3.Heating plate 105 comprises the heating electrode pair indicating with A/K.Structurally, heating plate 105 is placed between display panels 110 and backlight 100 conventionally, during heating, by heating electrode, A/K is powered up, the heat that heating plate 105 sends conducts to display panels 110, thereby play the effect to the liquid crystal heating in display panels 110, wherein, display panels 110 structures as shown in Figure 2, Fig. 2 is the structure of liquid crystal display panel schematic diagram of prior art, this display panels 110 comprises: tft array substrate 205, the color membrane substrates 210 being oppositely arranged with tft array substrate 205, and be encapsulated in the liquid crystal layer 215 between described tft array substrate 205 and color membrane substrates 210.Wherein, tft array substrate 205 comprises a plurality of image element circuits 230.Color membrane substrates 210 comprises color blocking layer 240 and the black-matrix layer 250 of surrounding color blocking layer 240.In printing opacity direction, the image element circuit 230 on tft array substrate is corresponding with a color blocking on color membrane substrates 210, has formed a sub-pixel unit, as in Fig. 2 with the region 235 shown in dot-and-dash line.The sub-pixel unit of adjacent different colours forms a pixel cell, and redness as shown in Figure 2 (R), green (G), blue (B) three sub-pixel unit form a pixel cell.A plurality of such pixel cells formed in viewing area 220(Fig. 2 of display panels 110 of the present invention with double dot dash line, illustrate).Region on display panels outside viewing area 220 is called frame region (in Fig. 2 not to scheme indicate).
Please refer to Fig. 3, Fig. 3 is color membrane substrates schematic diagram in prior art, traditional color membrane substrates 210 is included in black-matrix layer 250 and the color blocking layer 240 that on glass substrate 200, tft array substrate one side sets gradually relatively, described color membrane substrates 210 also comprises for shielding the screen layer 201 of exterior static, described screen layer 201 is one whole ITO that display panels outside forms, and is communicated with the ground wire on step by a mode for silver slurry.The liquid crystal display module with heating arrangement with traditional there is following shortcoming:
1. relatively far apart, heating effect is poor for heating plate and liquid crystal;
2. heating plate is an independently device with respect to display panels, has certain thickness, is combined in the height that has increased whole module in LCM, is unfavorable for the thinning design of LCM;
3. heating plate self has certain weight, if the weight that heating plate will increase LCM integral body is set, very unfavorable for portable terminal;
4. for plant produced, increase an independently device (heating plate 105), first need fixedly workshop section to process corresponding heating plate, then in module group assembling section, need to increase the operation of heating plate 105 laminatings and test, mean with the product output of heating plate 105 and compare and there is no the more time of the LCM of heating plate 105 needs on the time, have the LCM of independent heating apparatus to be unfavorable for life cycle of the product control;
5. cost aspect increases after heating plate 105 except increasing the expense of heating plate itself, also increased the labour cost of heating plate 105 assemblings and electric performance test link, in addition because the display panels 110 that causes after the bad assembling of heating plate and backlight are scrapped the raising that also can increase the weight of LCM product holistic cost simultaneously;
6. heating plate 105 adopts the ito glass of low square resistance conventionally, and ITO has certain resistance light action, and the light that backlight 100 is sent has reduced by brightness after being coated with the glass substrate of ITO, and LCM cannot make full use of the light that backlight 100 produces;
7. the screen layer of display arranged outside has reduced the light transmission rate of screen; And
8. silver slurry point is generally directly exposed to outside display panels, without any safeguard measure, if run into strenuous vibration or just scratched likely blocking-up by hard thing, is normally connected with the ground wire on display panels step, causes the effect of screen layer 201 to be lost efficacy.
Summary of the invention
In view of this, the present invention proposes a kind of color membrane substrates, display panels and liquid crystal indicator, solve the problem such as related low transmission and poor heating in background technology.
The invention provides a kind of color membrane substrates, comprise underlay substrate, and be arranged at the color blocking layer on described underlay substrate, described color membrane substrates also comprises a plurality of heating of metal portions and connecting electrode pair, described a plurality of heating of metal portion and connecting electrode be to being electrically connected to, and described heating of metal portion is positioned at viewing area.
The present invention also provides a kind of display panels, comprising: first substrate, and described first substrate comprises: the first underlay substrate; And being arranged at a plurality of heating of metal portions and the connecting electrode pair on described the first underlay substrate, described a plurality of heating of metal portions and connecting electrode be to being electrically connected to, and described heating of metal portion is positioned at viewing area; Second substrate, described second substrate comprises: the second underlay substrate; And be arranged at described the second underlay substrate upper film transistor, with the contact conductor that is connected thin film transistor (TFT); And be formed at liquid crystal layer between described first substrate and described second substrate; Described first substrate and described second substrate are fixed by sealed plastic box, and described sealed plastic box comprises electric conductor, for first substrate is electrically connected to second substrate.
The present invention also provides a kind of display panels, comprises above-mentioned color membrane substrates.And
A display panels, comprises above-mentioned liquid crystal indicator.
The invention provides a kind of color membrane substrates, display panels and liquid crystal indicator, by heating part is arranged in liquid crystal cell, can effectively to liquid crystal, heat, and attenuate the thickness of liquid crystal indicator, alleviated the weight of liquid crystal indicator, the man-made assembly flow process of simplifying liquid crystal indicator, has shortened the production cycle, and has promoted the transmitance of liquid crystal indicator.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of the liquid crystal display module of prior art;
Fig. 2 is the schematic diagram of the display panels of prior art;
Fig. 3 is the color membrane substrates schematic diagram of prior art;
Fig. 4 A is the vertical view of color membrane substrates in Fig. 2;
Fig. 4 B is the sectional view along Fig. 4 A center line YY ';
Fig. 5 A-5D is the position relationship schematic diagram of heating of metal portion and sub-pixel unit in the embodiment of the present invention;
Fig. 6 is that a kind of exemplary position of heating of metal portion is related to schematic diagram;
Fig. 7 is that the another kind of exemplary position of heating of metal portion is related to schematic diagram;
Fig. 8 is a kind of display panels schematic diagram provided by the invention.
Embodiment
Although below with reference to accompanying drawings the present invention is described in more detail, wherein represented the preferred embodiments of the present invention, should be understood to those skilled in the art can modify on basis described here, and still can realize advantageous effects of the present invention.Therefore, following description is appreciated that the expansion to those skilled in the art's thinking, and not as limitation of the present invention.
In order clearly to describe whole features of practical embodiments.They in the following description, are not described in detail known function and structure, because can make the present invention chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, must make a large amount of implementation details to realize developer's specific objective, for example, according to the restriction of relevant system or relevant business, by an embodiment, change into another embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work for a person skilled in the art.
In the following passage, with reference to accompanying drawing, with way of example, the present invention is more specifically described.According to following explanation, make main points of the present invention and the feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention clearly.
Note; a pixel cell comprises redness (R), green (G), blue (B) three looks in embodiments of the present invention; but this is only exemplary; pixel cell can also comprise other color mode; for example red (R), green (G), blue (B) and white (W); or red (R), green (G), blue (B) and yellow (Y) etc., these include in protection scope of the present invention.
Fig. 4 A is the vertical view of color membrane substrates in Fig. 2, and this color membrane substrates 310 comprises viewing area 320 and the frame region 321 of surrounding viewing area 320.As shown in Figure 4 A, 6 sub-pixel unit (in figure with R/G/B illustrate) of viewing area 320 in color blocking layer 340 and black-matrix layer 350 formations of surrounding color blocking layer 340.The sub-pixel unit of three different colours in same a line in figure forms a pixel cell, so two pixel cells are shown in figure altogether.
Fig. 4 B is the sectional view along Fig. 4 A center line YY ', and described color membrane substrates 310 comprises glass substrate 300, and is set in turn in heating of metal portion 330, black-matrix layer 350 and color blocking layer 340 on glass substrate 300.
The present invention is all not particularly limited the position of heating of metal portion 330 in printing opacity direction with on the position relationship of sub-pixel unit (referring to color blocking layer in color membrane substrates one side) and which layer in sectional view, as long as layer of metal cabling is set on certain one deck, it can play liquid crystal layer 215 is heated and do not hinder other parts work.For example, heating of metal portion 330 can be formed between glass substrate 300 and black-matrix layer 350 and color blocking layer 340, and as shown in Figure 4 B, or heating of metal portion can be arranged on.
Alternatively, if heating of metal portion is light tight metal or the poor metal of light transmission, so in order not affect aperture opening ratio, heating of metal portion needs to consider not block color blocking layer in printing opacity direction.If the metal material that heating of metal portion is printing opacity or less demanding to aperture opening ratio, even must not have these misgivings so.
Same, the present invention is all not particularly limited the right position of connecting electrode in printing opacity direction with on the position relationship of color blocking layer and which layer in sectional view, as long as layer of metal cabling is set on certain one deck, it can play to heating of metal portion and voltage is provided and not hinder other parts work, connecting electrode is to being formed on the same layer with heating of metal portion, or connecting electrode is to also arranging with the different layer of heating of metal portion, and be electrically connected to by via hole.
Alternatively, if connecting electrode is to being the poor metal of light tight metal or light transmission, so in order not affect aperture opening ratio, heating of metal portion needs to consider not block color blocking layer in printing opacity direction.If connecting electrode, to being the metal material of printing opacity or less demanding to aperture opening ratio, even must not have these misgivings so.
Because heating of metal portion of the present invention and connecting electrode are formed in color membrane substrates, nearer apart from liquid crystal layer distance than heating plate independent in prior art, therefore, heating effect is better, can make the temperature of liquid crystal layer increase rapidly, and low in energy consumption.In addition, because the present invention has increased layer of metal cabling (or double layer of metal cabling in color membrane substrates, corresponding heating of metal portion and connecting electrode the two not in the situation of same layer), therefore on the height of LCM and almost not impact of weight, and removed from the making of independent heating plate and test, shortened the production cycle of LCM and provided cost savings.
In the example of the embodiment of the present invention, in order not affect aperture opening ratio, the present invention proposes some preferred arrangements of heating of metal portion and sub-pixel unit (the being color blocking layer) position relationship in printing opacity direction.Fig. 5 A-5D is the position relationship schematic diagram of heating of metal portion and sub-pixel unit.
Optionally, heating of metal portion is arranged at least one side place of at least part of sub-pixel unit.For example, Fig. 5 A illustrates six sub-pixel unit 401-406, and the 436a of heating of metal portion is arranged on a side of sub-pixel unit 401, and the 436b of heating of metal portion is arranged on sub-pixel unit 403 1 sides.Because the 436a of heating of metal portion and 436b are independently, do not connect, therefore, as shown in Figure 5A, for voltage being provided to the 436a of heating of metal portion, can for the 436a of heating of metal portion be equipped with separately a connecting electrode to 431a(comprising the connecting electrode indicating with A and the connecting electrode indicating with K); For voltage being provided to the 436b of heating of metal portion, can for the 436b of heating of metal portion be equipped with separately a connecting electrode to 431b(comprising the connecting electrode indicating with A and the connecting electrode indicating with K).Certainly, the 436a of heating of metal portion and the 436b of heating of metal portion also can share a connecting electrode pair, for example can be different from the 436a of heating of metal portion and the 436b of heating of metal portion place layer other layer on connecting electrode pair is set, the 436a of heating of metal portion and the 436b of heating of metal portion by via hole with this connecting electrode to being electrically connected to.
The layout of Fig. 5 A is, at least part of at least one side place of sub-pixel unit, heating of metal portion is set, and goes for the less demanding occasion of heating effect, meanwhile, does like this and can make when making heating of metal portion domain wires design simpler.
Optionally, adjacent heating of metal portion is joined together to form wire or reticulate texture.For example, Fig. 5 B illustrates so a kind of layout of heating of metal portion.The 437a of heating of metal portion is arranged on a side of sub-pixel unit 401, and the 437b of heating of metal portion is arranged on a side of sub-pixel unit 403.The 437a of heating of metal portion and the 437b of heating of metal portion link together.The 437a of heating of metal portion and the 437b of heating of metal portion share a connecting electrode to 432(comprising the connecting electrode indicating with A and the connecting electrode indicating with K).Fig. 5 C illustrates the another kind of heating of metal portion and arranges.A plurality of heating of metal portion links together, and has formed netted heating of metal portion 438.Netted heating of metal portion 438 surrounds each sub-pixel unit 401-406.The connecting electrode that connecting electrode indicates comprising the connecting electrode indicating with A and the K of take 433() as heating of metal portion 438 provides voltage.
The layout of Fig. 5 B is to make adjacent heating of metal portion be joined together to form wire, and the layout of Fig. 5 C is to make adjacent heating of metal portion be joined together to form reticulate texture.With respect to the layout of Fig. 5 A, heating effect further improves.
Optionally, heating of metal portion is arranged at least one side edge of part or each pixel cell.For example, in Fig. 5 D, adjacent subpixels unit 401,402 and 403 represents respectively different color (representing respectively R, G, B), adjacent subpixels unit 404,405 and 406 represents respectively different color (representing respectively R, G, B), sub-pixel unit 401,402 and 403 forms a pixel cell so, and sub-pixel unit 404,405 and 406 forms another pixel cell.Heating of metal portion 439 surrounds each pixel cell, the connecting electrode that connecting electrode indicates comprising the connecting electrode indicating with A and the K of take 434() provide voltage as heating of metal portion 439.
The layout of Fig. 5 D is better than Fig. 5 A heating effect, simpler than Fig. 5 B, 5C domain wires design, is applicable to consider the occasion of these two kinds of factors.
Note, in the above-mentioned example of present embodiment, the present invention proposes some preferred arrangements of heating of metal portion and the sub-pixel unit position relationship in printing opacity direction.Visible, in above-mentioned example of the present invention, which position being formed in viewing area 220 for heating of metal portion does not have specific limited, preferred, and sub-pixel unit is not blocked in printing opacity direction in described heating of metal portion.Below, the present invention proposes a kind of preferred version.
In another example of present embodiment, as shown in Figure 6, Fig. 6 is that a kind of exemplary position of heating of metal portion is related to schematic diagram, on glass substrate 500, form successively heating of metal portion 536 and connecting electrode to 531 and sub-pixel unit (illustrating with R/G/B in figure), in printing opacity direction, heating of metal portion 536 is arranged between adjacent two sub-pixel unit, be that heating of metal portion 536 is in for liquid crystal layer heating, can play the effect of black-matrix layer shading, rationally utilize metallic conduction and lighttight characteristic, saved space.
In addition, in the above-mentioned example of the embodiment of the present invention, connecting electrode is not limited the position relationship of A/K and heating of metal portion, as shown in Figure 6, connecting electrode can be formed in same layer to A/K and heating of metal portion, in other embodiments, connecting electrode also can be respectively formed in different layers A/K and heating of metal portion, it is the two independent wiring, as shown in Figure 7, Fig. 7 is that the another kind of exemplary position of heating of metal portion is related to schematic diagram, on glass substrate 600, form successively heating of metal portion 636, insulation course 660, etching via hole 670 on insulation course 660, then on insulation course 660, form connecting electrode to 631 and sub-pixel unit (illustrating with R/G/B in figure), described heating of metal portion 636 is realized and being electrically connected to by via hole 670 631 with connecting electrode.
The present invention also provides a kind of display panels, and as shown in Figure 8, Fig. 8 is a kind of display panels schematic diagram provided by the invention, and described display panels comprises: first substrate, and described first substrate comprises: the first underlay substrate 700; And being arranged at a plurality of heating of metal portions 736 on described the first underlay substrate 700 and connecting electrode to 731, described a plurality of heating of metal portions 736 and connecting electrode are to 731 electrical connections; Second substrate, described second substrate comprises: the second underlay substrate 701; And be arranged at the array layer 703 being formed by a plurality of thin film transistor (TFT)s on described the second underlay substrate 701, with the contact conductor 703 that is connected thin film transistor (TFT); And be formed at liquid crystal layer 715 between described first substrate and described second substrate; Described first substrate and described second substrate are fixing by sealed plastic box 780, described sealed plastic box comprises electric conductor 781, for the connecting electrode on first substrate is electrically connected to the contact conductor 703 on second substrate 731, contact conductor 703 connecting fluid LCD panel external circuits, can control a plurality of thin film transistor switch on array layer 703 and for connecting electrode provides electric current to 731, thereby make heating of metal portion 736 provide heat for the liquid crystal layer 715 in display panels.
Optionally, described first substrate also comprises color blocking layer 740, can provide coloured image for display panels.
Scheme with above-described embodiment, adopting HD720 resolution is example, when providing 2.8V voltage to heating electrode to A/K, heating of metal portion is according to the form around sub-pixel unit, cross-pressure U=2.8V/ (the 720*3)=0.0013V of each sub-pixel unit, if this result of calculation has shown, to heating electrode, to A/K, provide voltage, the cross-pressure during specific to each sub-pixel unit is 0.0013V, and the minimum voltage between the liquid crystal GTG conventionally adopting at present according to us is generally and is greater than 0.01V; The outside water ordinary telegram pressure that can judge 0.0013V is added on every one-level GTG of liquid crystal, and the minimum voltage between liquid crystal GTG is added on every one-level GTG of liquid crystal, ratio on GTG impact is approximately 1:10, it is very little that electric field affects turning to of liquid crystal molecule, can reach a conclusion thus: the electric field that in the present embodiment, heating of metal portion produces is negligible on the rotation impact of liquid crystal molecule.
The present invention also provides a kind of display panels, comprises above-mentioned color membrane substrates.And
A display panels, comprises above-mentioned liquid crystal indicator.
In embodiments of the present invention, connecting electrode is to being electrically connected to external drive circuit, external power source by this external drive circuit to connecting electrode to voltage is provided, thereby provide voltage for heating of metal portion.
Optionally, comparison diagram 3 and Fig. 4 B, compared to prior art, the color membrane substrates that the embodiment of the present invention provides can arrange the heating of metal portion 330 of a whole layer, can play the effect of shielding external electrical field simultaneously, replace screen layer 210 in prior art, simultaneously because heating of metal portion 330 is netted, occluded pixels viewing area not, can increase the light transmission rate of display panels, and, because heating of metal portion 330 is arranged in liquid crystal cell, in box, be electrically connected to, can effectively prevent from losing efficacy because of short circuit.
The present invention, by making heating of metal portion be arranged at color membrane substrates inner side, has reduced the distance between heating plate and liquid crystal, thereby has improved heating effect, can make the temperature of liquid crystal layer increase rapidly, and low in energy consumption.Can also realize the alleviating of thinning, LCM overall weight, the shortening of LCM production cycle of LCM module, the saving of LCM production cost.Further, by optimal way of the present invention, the light that makes LCM can utilize more fully backlight to produce.
In addition, those skilled in the art are after having read above-mentioned explanation, and easily clear, without prejudice to logic in the situation that, the technical scheme that above-mentioned various examples embody can combine mutually, and these combinations include in protection scope of the present invention.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various changes and variation.All any modifications of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included within spirit of the present invention and principle.
Claims (14)
1. a color membrane substrates, is characterized in that, comprising: underlay substrate; And be arranged at the color blocking layer on described underlay substrate; Described color membrane substrates also comprises a plurality of heating of metal portions and connecting electrode pair, and described a plurality of heating of metal portions and connecting electrode be to being electrically connected to, and described heating of metal portion is positioned at viewing area.
2. color membrane substrates as claimed in claim 1, is characterized in that, also comprises black-matrix layer, described black-matrix layer is arranged on described underlay substrate, surround the RGB color blocking on described color blocking layer, in printing opacity direction, described black-matrix layer covers described heating of metal portion.
3. color membrane substrates as claimed in claim 1, is characterized in that, described heating of metal portion surrounds the RGB color blocking on described color blocking layer.
4. color membrane substrates as claimed in claim 1, is characterized in that, also comprises public electrode, and described heating of metal portion is arranged between described public electrode and described underlay substrate, and in printing opacity direction, described public electrode covers described heating of metal portion.
5. color membrane substrates as claimed in claim 1, is characterized in that, described heating of metal portion is arranged at least one side place of at least part of sub-pixel unit.
6. color membrane substrates as claimed in claim 1, is characterized in that, adjacent described heating of metal portion is joined together to form wire or reticulate texture.
7. color membrane substrates as claimed in claim 1, is characterized in that, adjacent a plurality of different colours sub-pixels form a pixel cell, and described heating of metal portion is arranged at least one side edge of part or each pixel cell.
8. color membrane substrates as claimed in claim 1, is characterized in that, described connecting electrode pair is formed on same layer with described heating of metal portion.
9. color membrane substrates as claimed in claim 1, is characterized in that, described connecting electrode pair is positioned at different layers with described heating of metal, and described connecting electrode pair is electrically connected to by via hole with described heating of metal portion.
10. display panels as claimed in claim 1, is characterized in that, described connecting electrode is to being electrically connected to external drive circuit.
11. 1 kinds of display panels, comprising:
First substrate, described first substrate comprises: the first underlay substrate; And being arranged at a plurality of heating of metal portions and the connecting electrode pair on described the first underlay substrate, described a plurality of heating of metal portions and connecting electrode be to being electrically connected to, and described heating of metal portion is positioned at viewing area;
Second substrate, described second substrate comprises: the second underlay substrate; And be arranged at described the second underlay substrate upper film transistor, with the contact conductor that is connected thin film transistor (TFT);
And be formed at liquid crystal layer between described first substrate and described second substrate;
Described first substrate and described second substrate are fixed by sealed plastic box, and described sealed plastic box comprises electric conductor, for first substrate is electrically connected to second substrate.
12. display panels as claimed in claim 11, is characterized in that, described first substrate also comprises the color blocking layer being arranged on described underlay substrate.
13. 1 kinds of liquid crystal indicators, comprise the color membrane substrates as described in as arbitrary in claim 1-10.
14. 1 kinds of liquid crystal indicators, comprise the display panels as described in as arbitrary in claim 11-12.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310754149.4A CN103941463A (en) | 2013-12-31 | 2013-12-31 | Color film substrate, liquid crystal display panel and liquid crystal display device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310754149.4A CN103941463A (en) | 2013-12-31 | 2013-12-31 | Color film substrate, liquid crystal display panel and liquid crystal display device thereof |
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Application publication date: 20140723 |