CN1661436A - Reflecting plate, and LCD of having the plate - Google Patents
Reflecting plate, and LCD of having the plate Download PDFInfo
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- CN1661436A CN1661436A CN 200410006655 CN200410006655A CN1661436A CN 1661436 A CN1661436 A CN 1661436A CN 200410006655 CN200410006655 CN 200410006655 CN 200410006655 A CN200410006655 A CN 200410006655A CN 1661436 A CN1661436 A CN 1661436A
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Abstract
The present invention relates to a reflection plate and liquid crystal display with said reflection plate, in which the reflection plate is formed on a transparent baseplate, and at least is formed from an adhesion layer, a silver-titanium alloy layer and a protection layer. The adhesion layer is positioned on the transparent baseplate, the silver-titanium alloy layer is positioned on the adhesion layer, and the protection layer is positioned on the silver-titanium alloy layer. Besides, the thickness of the silver-titanium alloy layer can be controlled so as to meat the requirement for full-reflection and semi-reflection. Said silver-titanium alloy layer has the advantages of high reflectivity which can be up to 95%, so that the liquid crystal display adopting silver-titanium alloy layer as reflection plate also has the identical advantages.
Description
Technical field
The invention relates to the reflection board structure of a kind of LCD (liquid crystal display, be called for short LCD), and particularly relevant for a kind of silver-colored titanium alloy (AGX) reflecting plate and have the LCD of this kind reflecting plate.
Background technology
In recent years, the development of LCD, along with the combining of electronic component, become that it is more extensive to use, and function is also complete more, still, the making of relative liquid crystal display cells also becomes increasingly complex.Because LCD is non-self luminous display, therefore need one to add light source and provide liquid crystal panel enough brightness, can be divided into three kinds of penetrating LCD, semi-penetrated semi-reflected liquid crystal display and reflective liquid-crystal displays according to the difference of light source.
Penetrating LCD need rely on module backlight as light source, therefore no matter whether bright surroundings, all to light the function that module backlight can reach demonstration when using penetrating LCD, yet, module backlight on average can consume the electric power of LCD more than 60%, so at design mobile phone, personal digital assistant (Personal Digital Assistant, PDA) and during e-book (e-Book) or the like portable product, must manage to seek new power conservation techniques to solve the high problem of its power consumption.Therefore, use the reflective liquid-crystal display of external light source to be subjected to each side gradually in recent years and advise order, it can significantly improve the high problem of LCD power consumption.
With the stable twisted nematic (TN) or the reflective liquid-crystal display of STN Super TN type (STN) is example, it mainly is plating one deck reflecting plate on the following laminar substrate of liquid crystal panel, this reflecting plate has the function in reflect ambient light source, and when the external world was bright and clear, its display quality was good.Hence one can see that, and reflective liquid-crystal display does not need module backlight can reach the purpose of demonstration, and its power consumption also therefore and significantly reduces.Yet if suitable light source is not provided, as front light-source (front light), reflective liquid-crystal display can't use under the faint environment of extraneous light.
Semi-penetrated semi-reflected liquid crystal display can be considered the assembling structure of penetrating LCD and reflective liquid-crystal display, it not only has the advantage of low power consumption, and can under the faint environment of extraneous light, use, so semi-penetrated semi-reflected liquid crystal display has been widely used on various portable products.
As shown in Figure 1, be the diagrammatic cross-section that illustrates the reflecting plate of traditional a kind of reflective liquid-crystal display.Please refer to Fig. 1, the reflecting plate of LCD is to be formed on the glass substrate 100, and by an aluminium alloy layer (Al alloy layer) 102 and the layer of silicon dioxide (SiO between glass substrate 100 and aluminium alloy layer 102
2) protective seam 104 forms.
Yet, use aluminium alloy such as AlNd, ACX to have following shortcoming traditionally as the reflection material, comprise about 89% reflectivity, about 15% high-absorbility, difference of hardness and to the unusual sensitivity etc. of alkaline matter, so the reflecting plate of another kind of reflective liquid-crystal display is arranged, as shown in Figure 2 at present again.
Fig. 2 is the diagrammatic cross-section that illustrates the reflecting plate of known a kind of LCD.Please refer to Fig. 2; the reflecting plate that also has a kind of reflective liquid-crystal display at present is to be formed on the glass substrate 200, and is made up of an ag alloy layer (Ag alloy layer) 202, layer of titanium dioxide (TiO2) adhesion layer (adherent layer) 204 between glass substrate 200 and ag alloy layer 202 and 206 of indium oxide layer (In2O3) protective seams (protectionlayer) that are positioned on the ag alloy layer 202.Though, using silver alloy such as AP, APC at present instead can increase reflectivity and reduce absorptivity as the reflection material, but because the precious metal palladium (palladium of adding about 2% is arranged in the target (target) of making ag alloy layer, chemical formula is Pd), so its cost of manufacture is higher than the reflecting plate of general use aluminium alloy, and causes it nocompetitive.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of reflecting plate of LCD, to increase reflectivity and to reduce absorptivity.
Another object of the present invention provides a kind of reflecting plate of LCD, to reduce the cost of manufacture of reflecting plate, makes it have competitive power.
A further object of the present invention provides a kind of reflecting plate of LCD, can be applicable to total reflection and semi-reflecting liquid-crystal display.
According to above-mentioned and other purpose; the present invention proposes a kind of reflecting plate of LCD; be to be formed on the transparency carrier; and formed by an adhesion layer, a silver medal titanium alloy layer and a protective seam at least; and adhesion layer is to be positioned on the transparency carrier; the silver titanium alloy layer then is positioned on the adhesion layer, and protective seam is to be positioned on the silver-colored titanium alloy layer.In addition, the thickness of may command silver titanium alloy layer is to reach the demand of total reflection and half reflection.
Described reflecting plate, wherein this transparency carrier comprise glass substrate, flexible base plate one of them.
Described reflecting plate more comprises a barrier layer, between this adhesion layer and this transparency carrier.
Described reflecting plate, wherein the material of this barrier layer comprises monox (SiOX).
Described reflecting plate, wherein the material of this adhesion layer comprises indium tin oxide.
Described reflecting plate, wherein the thickness of this adhesion layer is between 40～100 dusts.
Described reflecting plate, wherein the material of this protective seam comprises indium tin oxide.
Described reflecting plate, wherein the thickness of this protective seam is between 40～1300 dusts.
Described reflecting plate, thickness that wherein should the silver titanium alloy layer is greater than 400 dusts.
Described reflecting plate, thickness that wherein should the silver titanium alloy layer is between 100～400 dusts, to become the reflecting plate with semi-penetration semi-reflective characteristic.
Because be used in recordable CD-RW discsCD-RW (compact disk-recordable in a large number, being called for short CD-R) the silver-colored titanium alloy of industry possesses high reflectance (＞95%) and to the low absorptivity (～6%) of light, and its cost of manufacture to be applied to the silver alloy cost of liquid crystal display reflector low, so can replace known aluminium alloy or silver alloy.And, can fit structure and optical design, control silver-colored titanium alloy thickness and protective seam characteristic thereof, to produce the reflecting plate of total reflection or semi-reflecting liquid-crystal display.
The present invention proposes a kind of LCD again, at least comprise a first half, a Lower Half and the liquid crystal layer between the first half and Lower Half, wherein the first half comprises transparency carrier on, is positioned at the upper electrode layer on the transparency carrier and is positioned at first alignment film of 1 on the electrode layer; Lower Half is then with respect to the first half, and its structure comprises transparency carrier, be positioned at a silver medal titanium alloy reflective stacks on the transparency carrier down, be positioned at a insulation course on the silver-colored titanium alloy reflective stacks, be positioned at the lower electrode layer on the insulation course and be positioned at second alignment film of 1 on the lower electrode layer.Wherein, silver-colored titanium alloy reflective stacks comprises an adhesion layer, is positioned at the silver medal titanium alloy layer on the adhesion layer and is positioned at a protective seam on the silver-colored titanium alloy layer.
Described LCD, wherein this time transparency carrier comprise glass substrate, flexible base plate one of them.
Described LCD more comprises a barrier layer, between this adhesion layer and this transparency carrier.
Described LCD, wherein the material of this barrier layer comprises monox.
Described LCD, wherein the material of this adhesion layer comprises indium tin oxide.
Described LCD, wherein the thickness of this adhesion layer is between 40～100 dusts.
Described LCD, wherein the material of this protective seam comprises indium tin oxide.
Described LCD, wherein the thickness of this protective seam is between 40～1300 dusts.
Described LCD, thickness that wherein should the silver titanium alloy layer is greater than 400 dusts.
Described LCD, thickness that wherein should the silver titanium alloy layer is between 100～400 dusts, to become the LCD with semi-penetration semi-reflective characteristic.
Described LCD, wherein the material of this insulation course comprises acryl resin material.
The present invention proposes a kind of colour liquid crystal display device in addition, at least comprise a first half, a Lower Half and the liquid crystal layer between the first half and Lower Half, wherein the first half comprises transparency carrier on, is positioned at the upper electrode layer on the transparency carrier and is positioned at first alignment film of 1 on the electrode layer; Lower Half is then with respect to the first half, and its structure comprises transparency carrier, be positioned at a silver medal titanium alloy reflective stacks on the transparency carrier down, be positioned at a colored filter on the silver-colored titanium alloy reflective stacks, be positioned at the lower electrode layer on the colored filter and be positioned at second alignment film of 1 on the lower electrode layer.Wherein, silver-colored titanium alloy reflective stacks comprises an adhesion layer, is positioned at the silver medal titanium alloy layer on the adhesion layer and is positioned at a protective seam on the silver-colored titanium alloy layer.
Described colour liquid crystal display device, wherein this time transparency carrier comprise glass substrate, flexible base plate one of them.
Described colour liquid crystal display device more comprises a barrier layer, between this adhesion layer and this transparency carrier.
Described colour liquid crystal display device, wherein the material of this barrier layer comprises monox.
Described colour liquid crystal display device, wherein the material of this adhesion layer comprises indium tin oxide.
Described colour liquid crystal display device, wherein the thickness of this adhesion layer is between 40～100 dusts.
Described colour liquid crystal display device, wherein the material of this protective seam comprises indium tin oxide.
Described colour liquid crystal display device, wherein the thickness of this protective seam is between 40～1300 dusts.
Described colour liquid crystal display device, thickness that wherein should the silver titanium alloy layer is greater than 400 dusts.
Described colour liquid crystal display device, thickness that wherein should the silver titanium alloy layer is between 100～400 dusts, to become the LCD with semi-penetration semi-reflective characteristic.
In sum, the present invention is by the thickness by the silver-colored titanium alloy layer of control in the silver-colored titanium alloy reflective stacks, and to reach the demand of total reflection and half reflection, for example when silver-colored titanium alloy layer thickness during greater than 400 dusts, it has the characteristic of total reflection; And when the thickness of silver-colored titanium alloy layer was between 100～400 dusts, it had the characteristic type of half reflection.In addition, if the LCD of full-color type can also dispose a colored filter (color filter) between lower electrode layer and silver-colored titanium alloy reflective stacks.
The present invention is because because silver-colored titanium alloy reflective stacks has reflectivity up to 95%, about 6% low absorptivity and advantage cheaply, therefore adopts the LCD of silver-colored titanium alloy reflective stacks to have high reflectance and advantage cheaply too.
Description of drawings
Fig. 1 is the diagrammatic cross-section that illustrates the reflecting plate of traditional a kind of LCD;
Fig. 2 is the diagrammatic cross-section that illustrates the reflecting plate of known a kind of LCD;
Fig. 3 is the diagrammatic cross-section according to the reflecting plate of a preferred embodiment of the present invention;
Fig. 4 is the diagrammatic cross-section with LCD of reflecting plate shown in Figure 3; And
Fig. 5 is the diagrammatic cross-section with colour liquid crystal display device of reflecting plate shown in Figure 3.
Embodiment
For above-mentioned and other purposes of the present invention, characteristic and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Fig. 3 is the diagrammatic cross-section according to the reflecting plate of a preferred embodiment of the present invention.Please refer to Fig. 3, reflecting plate of the present invention is to be formed on the transparency carrier 300, and is made up of an adhesion layer (adherent layer) 304, one silver medal titanium alloy (AGX) layer 302 and one protective seam (protection layer) 306 at least.And adhesion layer 304 be positioned on the transparency carrier 300, silver-colored titanium alloy layer 302 is to be positioned on the adhesion layer 304, and protective seam 306 is to be positioned on the silver-colored titanium alloy layer 302, wherein transparency carrier 300 for example is glass substrate or flexible base plate.Also have one deck barrier layer 308 in addition between transparency carrier 300 and adhesion layer 304, be used for preventing that basic ion from entering the liquid crystal layer of LCD, to avoid the liquid crystal poor qualityization, its material for example is monox (SiOX); In other words, when transparency carrier 300 is alkali-free glass, can not need this barrier layer 308.
Please continue with reference to Fig. 3, adhesion layer 304 is the adhesion that is used for strengthening silver-colored titanium alloy layer 302, and its material can be indium tin oxide (ITO), its thickness between 40～100 dusts, is preferably the 60 Izod right sides.Protective seam 306 then can be used to prevent the sulfation of silver-colored titanium alloy layer 302 in environment; to increase its storage time; and must consider its optical characteristics and protection effect, thus material can be adopted as indium tin oxide (ITO), and its thickness is between 40～1300 dusts.The present invention also can reach the demand of total reflection and half reflection by the thickness by the silver-colored titanium alloy layer 302 of control; For instance, when reflecting plate of the present invention was applied to total-reflection liquid crystal display, the thickness of silver-colored titanium alloy layer 302 needed greater than 400 dusts, preferable then about 1500 Izod right sides, and protective seam 306 thickness that are positioned on the silver-colored titanium alloy layer 302 are preferably the 40 Izod right sides; And when reflecting plate of the present invention was applied to semi-reflecting liquid-crystal display, the thickness of silver-colored titanium alloy layer 302 was between 100～400 dusts, and protective seam 306 thickness that are positioned on the silver-colored titanium alloy layer 302 are preferably the 1000 Izod right sides.
Above-mentioned reflecting plate also can be applicable in the LCD (liquid crystal display is called for short LCD), and as shown in Figure 4, it is the diagrammatic cross-section that illustrates the LCD with reflecting plate shown in Figure 3.
Please refer to Fig. 4, LCD of the present invention comprises a first half 400, a Lower Half 410 and the liquid crystal layer 420 between the first half 400 and Lower Half 410 at least, and wherein the first half 400 comprises transparency carrier 402 on, is positioned at the upper electrode layer 404 on the transparency carrier 402 and is positioned at one first alignment film 406 on the upper electrode layer 404; Lower Half 410 is then with respect to the first half 400, and its structure comprises transparency carrier 412, be positioned at a silver medal titanium alloy reflective stacks 414 on the transparency carrier 412 down, be positioned at a insulation course 415 on the silver-colored titanium alloy reflective stacks 414, be positioned at the bottom electrode 416 on the insulation course 415 and be positioned at one second alignment film 418 on the bottom electrode 416.
Please join and continue according to Fig. 4, silver-colored titanium alloy reflective stacks 414 comprises an adhesion layer 422, be positioned at the silver medal titanium alloy layer 424 on the adhesion layer 422 and be positioned at a protective seam 426 on the silver-colored titanium alloy layer 424.In addition, also have one deck barrier layer 408 between following transparency carrier 412 and adhesion layer 422, be used for preventing that basic ion from entering the liquid crystal layer of LCD, to avoid the liquid crystal poor qualityization, its material for example is a monox.Wherein, material of each layer and thickness range can be with reference to the conditions among aforesaid Fig. 3 in silver-colored titanium alloy reflective stacks 414.
Referring again to Fig. 4, the present invention also can reach the demand of total reflection and half reflection by the thickness by the silver-colored titanium alloy layer 424 of control; For instance, when the present invention was applied to total-reflection liquid crystal display, the thickness of silver-colored titanium alloy layer 424 needed greater than 400 dusts, preferable then about 1500 Izod right sides, and protective seam 426 thickness that are positioned on the silver-colored titanium alloy layer 424 are preferably the 40 Izod right sides; And when the present invention was applied to semi-reflecting liquid-crystal display, the thickness of silver-colored titanium alloy layer 424 was about 100～400 Izod right sides, and protective seam 426 thickness that are positioned on the silver-colored titanium alloy layer 424 are preferably the 1000 Izod right sides.
In addition, if present embodiment is a colour liquid crystal display device, then please refer to Fig. 5, it is the diagrammatic cross-section that illustrates the colour liquid crystal display device with reflecting plate shown in Figure 3.
Please refer to Fig. 5, the insulation course 415 that the difference of colour liquid crystal display device of the present invention and earlier figures 4 is to be positioned on the silver-colored titanium alloy reflective stacks 414 changes configuration one colored filter (color filter) 500 into, and it has the effect of electrically isolated lower electrode layer 416 and silver-colored titanium alloy reflective stacks 414.And all the other each layers dispose as Fig. 4.
Therefore, characteristics of the present invention be to utilize the reflectivity that has up to 95%, about 6% low absorptivity and cheaply the silver-colored titanium alloy reflective stacks of advantage therefore can make LCD have high reflectance and advantage cheaply too as the reflecting plate of LCD.And the present invention can also reach the demand of total reflection and half reflection by the thickness by silver-colored titanium alloy layer in the silver-colored titanium alloy reflective stacks of control.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is defined with claim and is as the criterion.
Claims (31)
1, a kind of reflecting plate is to be formed on the transparency carrier, it is characterized in that this reflecting plate comprises at least:
One adhesion layer is positioned on this transparency carrier;
One silver medal titanium alloy layer is positioned on this adhesion layer;
One protective seam is positioned on this silver titanium alloy layer.
2, reflecting plate according to claim 1 is characterized in that, wherein this transparency carrier comprise glass substrate, flexible base plate one of them.
3, reflecting plate according to claim 2 is characterized in that, more comprises a barrier layer, between this adhesion layer and this transparency carrier.
4, reflecting plate according to claim 3 is characterized in that, wherein the material of this barrier layer comprises monox.
5, reflecting plate according to claim 1 is characterized in that, wherein the material of this adhesion layer comprises indium tin oxide.
6, reflecting plate according to claim 1 is characterized in that, wherein the thickness of this adhesion layer is between 40～100 dusts.
7, reflecting plate according to claim 1 is characterized in that, wherein the material of this protective seam comprises indium tin oxide.
8, reflecting plate according to claim 1 is characterized in that, wherein the thickness of this protective seam is between 40～1300 dusts.
9, reflecting plate according to claim 1 is characterized in that, thickness that wherein should the silver titanium alloy layer is greater than 400 dusts.
10, reflecting plate according to claim 1 is characterized in that, thickness that wherein should the silver titanium alloy layer is between 100～400 dusts, to become the reflecting plate with semi-penetration semi-reflective characteristic.
11, a kind of LCD is characterized in that, comprises at least:
One first half comprises:
Transparency carrier on one;
One upper electrode layer is positioned on this on transparency carrier;
One first alignment film is positioned on this electrode layer;
One Lower Half, with respect to this first half, its structure comprises:
Transparency carrier once;
One silver medal titanium alloy reflective stacks, on the transparency carrier, its structure comprises under being positioned at:
One adhesion layer;
One silver medal titanium alloy layer is positioned on this adhesion layer;
One protective seam is positioned on this silver titanium alloy layer;
One insulation course is positioned on this silver titanium alloy reflective stacks;
One lower electrode layer is positioned on this insulation course;
One second alignment film is positioned on this lower electrode layer;
One liquid crystal layer is between this first half and this Lower Half.
12, LCD according to claim 11 is characterized in that, wherein this time transparency carrier comprise glass substrate, flexible base plate one of them.
13, LCD according to claim 12 is characterized in that, more comprises a barrier layer, between this adhesion layer and this transparency carrier.
14, LCD according to claim 13 is characterized in that, wherein the material of this barrier layer comprises monox.
15, LCD according to claim 11 is characterized in that, wherein the material of this adhesion layer comprises indium tin oxide.
16, LCD according to claim 11 is characterized in that, wherein the thickness of this adhesion layer is between 40～100 dusts.
17, LCD according to claim 11 is characterized in that, wherein the material of this protective seam comprises indium tin oxide.
18, LCD according to claim 11 is characterized in that, wherein the thickness of this protective seam is between 40～1300 dusts.
19, LCD according to claim 11 is characterized in that, thickness that wherein should the silver titanium alloy layer is greater than 400 dusts.
20, LCD according to claim 11 is characterized in that, thickness that wherein should the silver titanium alloy layer is between 100～400 dusts, to become the LCD with semi-penetration semi-reflective characteristic.
21, LCD according to claim 11 is characterized in that, wherein the material of this insulation course comprises acryl resin material.
22, a kind of colour liquid crystal display device is characterized in that, comprises at least:
One first half comprises:
Transparency carrier on one;
One upper electrode layer is positioned on this on transparency carrier;
One first alignment film is positioned on this electrode layer;
One Lower Half, with respect to this first half, its structure comprises:
Transparency carrier once;
One silver medal titanium alloy reflective stacks, on the transparency carrier, its structure comprises under being positioned at:
One adhesion layer;
One silver medal titanium alloy layer is positioned on this adhesion layer;
One protective seam is positioned on this silver titanium alloy layer;
One colored filter is positioned on this silver titanium alloy reflective stacks;
One lower electrode layer is positioned on this colored filter;
One second alignment film is positioned on this lower electrode layer;
One liquid crystal layer is between this first half and this Lower Half.
23, colour liquid crystal display device according to claim 22 is characterized in that, wherein this time transparency carrier comprise glass substrate, flexible base plate one of them.
24, colour liquid crystal display device according to claim 23 is characterized in that, more comprises a barrier layer, between this adhesion layer and this transparency carrier.
25, colour liquid crystal display device according to claim 24 is characterized in that, wherein the material of this barrier layer comprises monox.
26, colour liquid crystal display device according to claim 22 is characterized in that, wherein the material of this adhesion layer comprises indium tin oxide.
27, colour liquid crystal display device according to claim 22 is characterized in that, wherein the thickness of this adhesion layer is between 40～100 dusts.
28, colour liquid crystal display device according to claim 22 is characterized in that, wherein the material of this protective seam comprises indium tin oxide.
29, colour liquid crystal display device according to claim 22 is characterized in that, wherein the thickness of this protective seam is between 40～1300 dusts.
30, colour liquid crystal display device according to claim 22 is characterized in that, thickness that wherein should the silver titanium alloy layer is greater than 400 dusts.
31, colour liquid crystal display device according to claim 22 is characterized in that, thickness that wherein should the silver titanium alloy layer is between 100～400 dusts, to become the LCD with semi-penetration semi-reflective characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410006655 CN1661436A (en) | 2004-02-25 | 2004-02-25 | Reflecting plate, and LCD of having the plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410006655 CN1661436A (en) | 2004-02-25 | 2004-02-25 | Reflecting plate, and LCD of having the plate |
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| Publication Number | Publication Date |
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| CN1661436A true CN1661436A (en) | 2005-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410006655 Pending CN1661436A (en) | 2004-02-25 | 2004-02-25 | Reflecting plate, and LCD of having the plate |
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| CN (1) | CN1661436A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736246A (en) * | 2020-08-06 | 2020-10-02 | 宁波瑞凌新能源科技有限公司 | Full-spectrum reflective film |
-
2004
- 2004-02-25 CN CN 200410006655 patent/CN1661436A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736246A (en) * | 2020-08-06 | 2020-10-02 | 宁波瑞凌新能源科技有限公司 | Full-spectrum reflective film |
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