CN101533195A - Non-volatilization display device - Google Patents
Non-volatilization display device Download PDFInfo
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- CN101533195A CN101533195A CN200810085805A CN200810085805A CN101533195A CN 101533195 A CN101533195 A CN 101533195A CN 200810085805 A CN200810085805 A CN 200810085805A CN 200810085805 A CN200810085805 A CN 200810085805A CN 101533195 A CN101533195 A CN 101533195A
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- volatilization
- display device
- display
- bonding pad
- volatile type
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Abstract
The invention discloses a non-volatilization display device which comprises a drive base plate and a non-volatilization display material. The drive base plate is provided with a connection pad and a plurality of pixel electrodes which are arranged in an X row and a Y column. The non-volatilization display material is arranged at one side of the drive base plate, wherein the X row and the Y column form a rectangular region and at least one part of the connection pad is arranged in the rectangular region.
Description
Technical field
The present invention is about a kind of non-volatilization display device.
Background technology
In the face of processing and the validity increase in demand of preserving huge data, be dependent on Computer Processing more now and present image through flat display apparatus.Yet, because the volume of known flat display apparatus and weight etc. are all not as good as advantages such as being convenient for carrying of information being recorded in paper printing matter brings and facility readings.Therefore, be the portability and easily reading property of possessing paper simultaneously, have the validity and the feature of environmental protection of electronic product deal with data again concurrently, utilize the electrophoretic display apparatus (Electrophoretic Display Apparatus, EPD Apparatus) of electrophoresis material just to comply with and give birth to.
Below with Fig. 1 and Fig. 2 known electrophoretic display apparatus 1 is described, wherein Fig. 1 is the sectional view of A-A line segment among Fig. 2, Fig. 2 is the schematic top plan view of electrophoretic display apparatus 1.
Please be simultaneously with reference to Fig. 1 and Fig. 2, electrophoretic display apparatus 1 comprises a driving substrate 11 and an electrophoretic display materials 12.Driving substrate 11 is that (Thin Film Transistor, TFT) substrate comprise a plurality of pixel electrodes 111 and an infrabasal plate 112 to a thin film transistor (TFT).Electrophoretic display materials 12 is arranged at a side of driving substrate 11, and comprises a plurality of charged particle C1 and a dielectric solution L1.Electrophoretic display materials 12 is placed in a plurality of little cup (micro-cups) 13.In addition, electrophoretic display apparatus 1 more comprises a upper substrate 14, community electrode layer 15 and an adhesion layer 16.Electrophoretic display materials 12 is sealed between common electrode layer 15 and the driving substrate 11, and is driven by common electrode layer 15 and pixel electrode 111 formed electric fields.
Owing to the signal of common electrode layer 15 is to be come by the control chip 114 or the control circuit that link with driving substrate 11, so need in the assembling process bonding pad 113 to be set in driving substrate 11, with common electrode layer 15 and bonding pad 113 by a conducting resinl S electrically connect, so that a common voltage signal is passed to common electrode layer 15 by driving substrate 11.
Pixel electrode 111 forms a rectangular area and to a display surface D1 (shown in large rectangle dotted line among Fig. 2) should be arranged, is an effective viewing area.For common electrode layer 15 and driving substrate 11 electrically connects that allow among Fig. 1, driving substrate 11 is provided with bonding pad 113 in the outside of display surface D1, bonding pad 113 is arranged at infrabasal plate 112, the electrophoretic display materials 12 of corresponding bonding pad 113 parts then need removes, and comes electrically connect common electrode layer 122 and bonding pad 113 by conducting resinl S afterwards.Wherein, the place that bonding pad 113 is set owing to do not have pixel electrode 111 and electrophoretic display materials 12, is watched to the user so can't present effective pixel, so be a noneffective display area (non-effective area) N1.Can have invalid viewing area N1 owing to upper substrate 14 in corresponding bonding pad 113 parts in the known techniques, so when the angle of overlooking is watched, the rectangle that is shaped as of upper substrate 14 adds a teat B, we can say that also upper substrate 14 is a concave polygon (being an interior angle to be arranged greater than 180 degree in the polygon).
Above-mentioned electrophoretic display materials 12, cup 13, upper substrate 14 and common electrode layer 15 can be collectively referred to as an electrophoresis showed film (Electrophoretic display film) 10 slightly for these.Generally speaking, electrophoresis showed film 10 is to be made by upstream manufacturer, and then transfer to the module manufacturer in downstream or system manufacturer with driving substrate 11 and 10 assemblings of electrophoresis showed film after, be applied to the display device of various kinds, for example e-book, advertisement billboard or price label.
As shown in Figure 3, when assembling manufacturer to large-area electrophoresis showed film 10 ' when carrying out cutting step, because each electrophoresis showed film 10 is not rectangle but concave polygon, so when cutting can electrophoresis showed film 10 ' on produce many waste district W, thus, not only cut utilization factor and decline to a great extent, more can cause the increase of material cost.And along with the size of electrophoretic display apparatus 1 (for example mobile phone and personal digital assistant) is littler, the material proportion of being wasted is higher.
Summary of the invention
Because above-mentioned problem, purpose of the present invention can promote the non-volatilization display device that cuts utilization factor for providing a kind of.
So,, comprise a driving substrate and a non-volatile type display material according to a kind of non-volatilization display device of the present invention for reaching above-mentioned purpose.Driving substrate has a bonding pad and plurality of pixel electrodes, and these pixel electrodes are distributed in the capable Y row of X.Non-volatile type display material is arranged at a side of driving substrate.Wherein, X is capable, and the Y row form a rectangular area, and bonding pad to small part is arranged at the rectangular area.
From the above, according to a kind of non-volatilization display device of the present invention bonding pad is arranged in the capable Y row of the X rectangular area that pixel electrode distributes, make non-volatile type show that film is when cropped, need not reserve teat, therefore can not produce the waste district, so can significantly promote and cut utilization factor and speed of cut, and reduce the waste of material.
Description of drawings
Fig. 1 is a kind of diagrammatic cross-section of known electrophoretic display apparatus;
Fig. 2 is the schematic top plan view of the electrophoretic display apparatus of Fig. 1;
Fig. 3 cuts into the synoptic diagram of a plurality of electrophoresis showed films for known large-area electrophoresis showed film;
Fig. 4 is the diagrammatic cross-section of a kind of non-volatilization display device of first embodiment of the invention;
Fig. 5 is the schematic top plan view of a kind of non-volatilization display device of first embodiment of the invention;
Fig. 6 cuts into the synoptic diagram that a plurality of non-volatile types shown in Figure 5 show film for large-area non-volatile type shows film;
Fig. 7 has the schematic top plan view of a housing for a kind of non-volatilization display device of first embodiment of the invention;
Fig. 8 A to Fig. 8 C is in the non-volatilization display device of second embodiment of the invention, and bonding pad has the different synoptic diagram that change aspect; And
Fig. 8 D is the synoptic diagram of a variation aspect again of the non-volatilization display device of second embodiment of the invention, and wherein housing blocks noneffective display area.
[primary clustering symbol description]
1: electrophoretic display apparatus
10,10 ': the electrophoresis showed film
11,21: driving substrate
111,211: pixel electrode
112,212: infrabasal plate
113,213: bonding pad
114,214: control chip
12: electrophoretic display materials
13: little cup
14,24: upper substrate
15,25: common electrode layer
16,27: adhesion layer
2,2a, 2b, 2c, 2d: non-volatilization display device
22: non-volatile type display material
23: accommodating structure
26: conductive component
28,28 ': housing
281,281 ': opening
B: teat
C, C1: charged particle
D1～D5: display surface
E, E ': non-volatile type shows film
L, L1: dielectric solution
N1～N6: noneffective display area
P: pixel
R: rectangular area
S: conducting resinl
W: waste district
X: OK
Y: row
Embodiment
For technical characterictic of the present invention more than you know, before the explanation embodiments of the invention, earlier following noun of the present invention is defined.
Non-volatilization display device (Non-Volatile Type Display Apparatus) is meant have bistable state (Bi-Stable States) or multistable display device, under the situation of power supply not, non-volatilization display device still can maintain wherein stable state time of hundreds of milliseconds at least, so the non-volatilization display device amount of saving energy significantly.Wherein, non-volatilization display device has a non-volatile type display material, for example electrophoresis material (electrophoretic material), screw (rotating balls) or cholesterol liquid crystal (cholesteric liquid crystal) etc.
Hereinafter with reference to correlative type, a kind of non-volatilization display device according to a plurality of preferred embodiments of the present invention is described, wherein identical assembly will be illustrated with identical reference marks.
As shown in Figure 4, a kind of non-volatilization display device 2 of first embodiment of the invention comprises a driving substrate 21 and a non-volatile type display material 22.
Non-volatile type display material 22 is arranged at a side of driving substrate 21, and wherein, non-volatile type display material 22 is an example with the electrophoresis material, for example is a plurality of charged particles (ChargedParticle) C and a dielectric solution L.In the present embodiment, non-volatilization display device 2 more comprises an accommodating structure 23, accommodating structure 23 can have a plurality of little cup (micro-cups) or a plurality of microcapsules (microcapsules), the accommodating structure 23 of present embodiment is to be example to have a plurality of little cups, these charged particles C is suspended among the dielectric solution L, and these charged particles C and dielectric solution L all be placed in this slightly the cup in.
In addition, non-volatilization display device 2 more comprises a upper substrate 24, and non-volatile type display material 22 is between upper substrate 24 and driving substrate 21.Wherein, upper substrate 24 can be deflection (flexible) or deflection not, and the material of upper substrate 24 can be resin, pottery or glass, and the material of upper substrate 24 can be identical with the material of infrabasal plate 21 or inequality.
In the present embodiment, non-volatilization display device 2 more comprises community electrode layer 25, and common electrode layer 25 is transparent electrode layer, and it is arranged between non-volatile type display material 22 and the upper substrate 24, and these pixel electrodes 211 of driving substrate 21 are provided with relatively.When imposing a voltage difference between common electrode layer 25 and at least one pixel electrode 211, charged particle C is ordered about to be moved and reflection environment light and then present charged particle C or the color of dielectric solution L.Wherein, common electrode layer 25 materials for example can be indium tin oxide (ITO), indium-zinc oxide (IZO), aluminium zinc oxide (AZO), gallium zinc oxide (GZO) or zinc paste (ZnO) etc.
Non-volatilization display device 2 more comprises a conductive component 26, and conductive component 26 links with bonding pad 213 and common electrode layer 25 respectively, makes common electrode layer 25 and bonding pad 213 electrically connects.Wherein, conductive component 26 can be conducting interval (as gold goal), conducting resinl (as elargol), conductive tape or lead, and the conductive component 26 of present embodiment is an example with a gold goal.For conductive component 26 is set, need remove the non-volatile type display material 22 of part earlier, so that conductive component 26 links with bonding pad 213 and common electrode layer 25 respectively, be to remove non-volatile type display material 22 of part and accommodating structure 23 in this enforcement, but still can there be accommodating structure 23 periphery of conductive component 26 to keep the physical strength of non-volatilization display device 2 with laser.The person of noting, the bonding pad 213 of present embodiment is to be arranged at the side of driving substrate 21 in the face of non-volatile type display material 22.Certainly, bonding pad 213 also can be arranged at the side of driving substrate 21 back to non-volatile type display material 22, in this situation, can pass or walk around driving substrate 21 by the conductive hole (via) of driving substrate 21 or conductive component 26 and make common electrode layer 25 by conductive component 26 and bonding pad 213 electrically connects.
In addition, non-volatilization display device 2 more can comprise an adhesion layer 27, and in the present embodiment, adhesion layer 27 can bind accommodating structure 23 and the driving substrate 21 that is equipped with non-volatile type display material 22.
Fig. 5 is the schematic top plan view of the non-volatilization display device 2 of Fig. 4, and by vertical view as can be known, the area of driving substrate 21 mainly is because on the driving substrate 21 control chip 214 or control circuit (not shown) need be set greater than the area of upper substrate 24.In addition, upper substrate 24 is a convex polygon, and convex polygon is defined as its each interior angle all less than 180 degree, otherwise the definition of concave polygon is then for having an interior angle at least greater than 180 degree.Wherein, convex polygon for example is rectangle, square or regular polygon, and the upper substrate 24 of present embodiment is to be example with a rectangle.
In the present embodiment, pixel electrode 211 is distributed in the capable Y row of X and forms a rectangular area R, and bonding pad 213 to small part is arranged at rectangular area R.Bonding pad 213 has at least a part to be positioned at rectangular area R, in this, is that a corner that is arranged at rectangular area R with bonding pad 213 is an example, and the shape of bonding pad 213 do not limit, and for example can be rectangle (as shown in Figure 5), circular or irregular shape.In addition, the outline of pixel electrode 211 distributed areas of present embodiment is a concave polygon, that is to say as if adjacent pixel electrodes 211 to connect that then can form a concave polygon, this is because the subregion of rectangular area R is provided with bonding pad 213 with outmost turns in pixel electrode 211 distributed areas.
Please be simultaneously with reference to Fig. 5 and shown in Figure 6, in the present embodiment, has non-volatile type display material 23, the non-volatile type of upper substrate 24 and common electrode 25 shows film E, can show that film E ' cuts and gets by a large-area non-volatile type, in this, large-area non-volatile type shows that film E ' is identical with the area of large-area electrophoresis showed film E ' in the known techniques, because being the part area of sacrificing on the R of rectangular area, the present invention forms bonding pad 213, so non-volatile type shows the shape of film E, the shape that is upper substrate 24 is a rectangle, so when carrying out cutting step, can promote and cut speed, save the processing procedure time.And the non-volatile type that can cut out greater number under equal area shows film E, to reduce material cost.
As shown in Figure 7, non-volatilization display device 2 more can comprise a housing 28, and housing 28 coats the periphery of driving substrate 21, and housing 28 also has an opening 281.Rectangular area R is to there being a display surface D2, and at least a portion of display surface D2 is exposed to opening 281.In the present embodiment, rectangular area R is identical with the size essence of display surface D2, and opening 281 is bigger than display surface D2, and display surface D2 is exposed by opening 281, watches for the user.
Because being set on the driving substrate 21, the place of bonding pad 213 do not have pixel electrode 211 and non-volatile type display material 23, therefore the user observes bonding pad 213 by display surface D2 and goes up pairing position in display surface D2, then can form a noneffective display area N2 (shown in Fig. 7 bend part, for the technology of highlighting, the dimension scale of noneffective display area N2 has been done exaggerative expression), wherein the picture of noneffective display area N2 can't change along with the change of drive signal.In addition, display surface D2 has a plurality of pixel P (being the position of pixel electrode 211 in the present embodiment) and is distributed in the capable Y of X and lists, but because the formation of noneffective display area N2, so make the number of these pixels (effective display pixel) less than the product of X and Y.In addition, because bonding pad 213 is arranged at the corner of rectangular area R, so the user can see noneffective display area N2 on display surface D2.
Shown in Fig. 8 A to Fig. 8 D, it is that the difference of second embodiment of the invention non-volatilization display device 2a, 2b, 2c, 2d changes aspect, does not display bounding box among Fig. 8 A to Fig. 8 C, but represents the scope of display surface D3, D4, D5 with a square frame.The position of noneffective display area N3, N4, N5 is the position that is provided with along with bonding pad 213 and changing, so noneffective display area N3, N4, N5 can be positioned at a side, a corner or the inside of display surface D3, D4, D5.The shape of noneffective display area N3, N4, N5 and unrestricted can need and revise according to processing procedure, and for example the noneffective display area N3 of non-volatilization display device 2a can have an arc limit (Fig. 8 A) and be positioned at the corner of display surface D3.Perhaps, the noneffective display area N4 of non-volatilization display device 2b can be positioned at the inside of display surface D4.In addition, the noneffective display area N5 of non-effective display device 2c can be positioned at the side of display surface D5.
In addition, the housing of present embodiment also can block noneffective display area, shown in Fig. 8 D, non-volatilization display device 2d have a housing 28 ', housing 28 ' opening 281 ' be not to be a rectangle (or convex polygon), and be a concave polygon (as Fig. 8 D) or an irregular shape.Wherein, housing 28 ' a part be arranged on the projecting direction of bonding pad 213, be housing 28 ' a have protuberance with at least a portion of covering bonding pad 213 (among the figure be example to cover bonding pad 213 fully), and can block noneffective display area N6, so the user sees through opening 281 ' when watching picture, can not see noneffective display area N6.
In sum, according to a kind of non-volatilization display device of the present invention bonding pad is arranged in the capable Y row of the X rectangular area that pixel electrode distributes, make non-volatile type show that film is when cropped, need not reserve teat, therefore can not produce the waste district, so can significantly promote and cut utilization factor and speed of cut, and reduce the waste of material.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the scope of appended claim its equivalent modifications of carrying out or change.
Claims (15)
1, a kind of non-volatilization display device comprises:
One driving substrate has a bonding pad and plurality of pixel electrodes, and these pixel electrodes are distributed in the capable Y row of X; And
One non-volatile type display material is arranged at a side of this driving substrate,
Wherein capable these Y row of this X form a rectangular area, and this bonding pad to small part is arranged at this rectangular area.
2, non-volatilization display device as claimed in claim 1, wherein this bonding pad is arranged at the side of this driving substrate in the face of this non-volatile type display material.
3, non-volatilization display device as claimed in claim 1, wherein this bonding pad is positioned at a side, a corner or the inside of this rectangular area.
4, non-volatilization display device as claimed in claim 1, wherein the outline of these pixel electrode distributed areas is a concave polygon.
5, non-volatilization display device as claimed in claim 1, wherein this non-volatile type display material comprises electrophoresis material, cholesterol liquid crystal or screw.
6, non-volatilization display device as claimed in claim 5 more comprises:
One accommodating structure, this electrophoresis material is placed in this accommodating structure.
7, non-volatilization display device as claimed in claim 1 more comprises:
One upper substrate, this non-volatile type display material is between this upper substrate and this driving substrate.
8, non-volatilization display device as claimed in claim 7, wherein this upper substrate is a convex polygon.
9, non-volatilization display device as claimed in claim 7 more comprises:
The community electrode layer, be arranged between this non-volatile type display material and this upper substrate and with this bonding pad electrically connect.
10, non-volatilization display device as claimed in claim 9 more comprises:
One conductive component, this conductive component link with this bonding pad and this common electrode layer respectively.
11, non-volatilization display device as claimed in claim 10, wherein this conductive component is conducting interval, a conducting resinl, a conductive tape or a lead.
12, non-volatilization display device as claimed in claim 1 more comprises:
One housing coats the periphery of this driving substrate, and has an opening, and this rectangular area is to there being a display surface, and at least a portion of this display surface is exposed to this opening.
13, non-volatilization display device as claimed in claim 12, wherein the part of this housing is covered at least a portion of this bonding pad.
14, non-volatilization display device as claimed in claim 12, wherein this display surface has a noneffective display area, and this bonding pad to small part is positioned at this noneffective display area.
15, non-volatilization display device as claimed in claim 1, wherein this rectangular area is to there being a plurality of pixels, and the number of these pixels is less than the product of X and Y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810085805A CN101533195A (en) | 2008-03-13 | 2008-03-13 | Non-volatilization display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810085805A CN101533195A (en) | 2008-03-13 | 2008-03-13 | Non-volatilization display device |
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| Publication Number | Publication Date |
|---|---|
| CN101533195A true CN101533195A (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810085805A Pending CN101533195A (en) | 2008-03-13 | 2008-03-13 | Non-volatilization display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852964A (en) * | 2010-06-01 | 2010-10-06 | 友达光电股份有限公司 | Display device |
| US8310748B2 (en) | 2010-05-21 | 2012-11-13 | Au Optronics Corp. | Display device |
| CN101762937B (en) * | 2009-12-25 | 2013-05-29 | 友达光电股份有限公司 | Electrophoresis display device |
-
2008
- 2008-03-13 CN CN200810085805A patent/CN101533195A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762937B (en) * | 2009-12-25 | 2013-05-29 | 友达光电股份有限公司 | Electrophoresis display device |
| US8310748B2 (en) | 2010-05-21 | 2012-11-13 | Au Optronics Corp. | Display device |
| CN101852964A (en) * | 2010-06-01 | 2010-10-06 | 友达光电股份有限公司 | Display device |
| CN101852964B (en) * | 2010-06-01 | 2013-01-02 | 友达光电股份有限公司 | Display device |
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Open date: 20090916 |