CN101295081A - Non-rectangular display apparatus - Google Patents
Non-rectangular display apparatus Download PDFInfo
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- CN101295081A CN101295081A CNA2008100923904A CN200810092390A CN101295081A CN 101295081 A CN101295081 A CN 101295081A CN A2008100923904 A CNA2008100923904 A CN A2008100923904A CN 200810092390 A CN200810092390 A CN 200810092390A CN 101295081 A CN101295081 A CN 101295081A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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Abstract
Disclosed is a display apparatus comprising an active matrix display section including a plurality of signal lines and scan lines, arranged in a matrix on a substrate, and a plurality of pixels and active elements arranged at intersections of the signal and scan lines, a scan line driving circuit for driving the scan lines and a signal line driving circuit for driving the signal lines. The display section has a non-rectangular shape. The active elements that make up the scan line driving circuit and/or the signal line driving circuit are formed by the same manufacturing process as that for forming the active elements in the active matrix display section. The scan line driving circuit and/or the signal line driving circuit are each a set of circuit units having the same function.; These circuit units are arranged to conform to and extend around the outer circumference of the non-rectangular display section.
Description
Technical field
The present invention relates to the display device that display part is a non-rectangular shape.
Background technology
Figure 24 is the figure that the typical case of the existing active matrix display devices of expression constitutes.As shown in figure 24, possessing pixel and active component, for example thin film transistor (TFT) by the signal wire of rectangular configuration and the cross part of sweep trace mutually.Imported on 1 sweep trace strobe pulse during, gate terminal becomes conducting state with the active component that this sweep trace links to each other, on the signal wire charging after signal potential be applied in pixel, for example on the liquid crystal.Because this current potential, the optical characteristics of liquid crystal material will change, and can change demonstration.
The display part 1 of existing active matrix display devices generally is a rectangular shape.To sweep trace 2 and signal wire 3 give current potential and to its scan line drive circuit that drives 8 and signal-line driving circuit 9 and rectangle display part 1 in abutting connection with the ground configuration.
Like this, even for the many high meticulous displays of the quantity of sweep trace 2 and signal wire 3, also can realize the display device that distance is near, border width is narrow of the periphery of the periphery of display base plate 10 and display part 1.
If enlarge the scope of application of the active matrix type display that can carry out the meticulous demonstration performance of height, display part then can occur is not general rectangle, but the occasion that the situation of non-rectangles such as circle, semicircle is fit to.
Table for example shown in Figure 21 is the analog-and digital-switchable active matrix display devices of demonstration, and display part is circular if show then preferably according to simulation.
Also have, in the occasion that is installed in the velometer on the automobile shown in Figure 23, semi-circular shape is fit to.
Shape as the viewing area is not the display device of rectangle, and for example (PCT is international open: disclosed display part shown in Figure 25 communique number WO93/04460) and be circular display device for patent documentation 1.In patent documentation 1, the sweep trace and the scan line drive circuit 8 of signal wire and the semiconducter IC that signal-line driving circuit 9 is made as rectangular shape that drive circular display part, in the periphery of display part 1,4 bights of rectangular substrate, each is aggregated in the configuration of 4 places at 2 places.
Substrate shape is a rectangular shape, but, for example in the occasion of the table of the analog dial with circular display part 1, then can bring several advantages if the shape of display base plate 10 also is made as the circle similar to display part 1.
That is, if the structure of the near narrow frame of the distance of the periphery of the periphery of display base plate 10 and display part 1 then can make display part 1 big relatively; Also have, as shown in figure 22, also need not reserve unnecessary volume in the time of in display device being assembled into other device such as mobile phone.
In Figure 25, comparing with display part 1, the very little occasion of semiconducter IC of scan line drive circuit 8 and signal-line driving circuit 9, the size of display base plate 10 and shape can be near display parts 1.
On the other hand, in the big or small no small occasion of driving circuit, that is, with the occasion of the periphery equal extent of display part 1, the size of display base plate 10 and shape are limited by driving circuit.
And the realization of the non-rectangular display apparatus of narrow frame has become difficulty.
Disclosed the formation of a plurality of scan line drive circuits of alternate configurations and signal-line driving circuit around the non-rectangle display part in the patent documentation 2 (special table 2005-528644 communique).
Yet, in the formation that in above-mentioned patent documentation 1,2, discloses also being, driving circuit is a rectangle, the radius-of-curvature of periphery is little.For example in the occasion of configuration driven circuit with the periphery adjacency of circle, above-mentioned same problem can become remarkable.
Disclosed in the patent documentation 3 (spy opens the 2005-311823 communique) on hemispheric substrate, to have adorned in fact and made the formation of fan-shaped IC chip as driving circuit.
Generally speaking, the IC chip is to be cut out by chip from silicon wafer by the chalker that possesses line saw, but because silicon wafer or line saw are that linearity moves, thus the chip that is cut out be shaped as rectangle.
As the technology that cuts out chip by arbitrary shape, the scribble method that adds rotation in the moving of stand and wafer shown in laser scribe method shown in the patent documentation 4 (spy opens the 2000-246447 communique), the patent documentation 5 (spy opens the 2004-111428 communique) etc. is arranged, but, they all need special chalker.
In the disclosed pocket guider of patent documentation 6 (spy opens the 2004-347474 communique), provided with the similar and example of configuration circuit to high-density on the zone that form by radial extension to the substrate end from the display panel end of the profile curvature of display panel.
At display panel is circular occasion, and original area is fan-shaped.In this known example, disclosed situation, on glass substrate, constituted the situation of liquid crystal display drive circuit and liquid crystal panel by thin film transistor (TFT) at configuration liquid crystal display drive circuit on the zone of the periphery of display panel.
Yet do not mention the position relation of gate line and the data line and their liquid crystal display drive circuit of driving of formation liquid crystal panel.That is, then do not disclose about the real dress scheme of the concrete high density of liquid crystal display drive circuit.
Patent documentation 1:WO93/04460 communique
Patent documentation 2: special table 2005-528644 communique
Patent documentation 3: the spy opens the 2005-311823 communique
Patent documentation 4: the spy opens the 2000-246447 communique
Patent documentation 5: the spy opens the 2004-111428 communique
Patent documentation 6: the spy opens the 2004-347474 communique
Summary of the invention
The problem that solution is planned in invention
In existing non-rectangular display apparatus, generally be that display part is an arbitrary shape, and device and substrate shape are rectangle.
If substrate shape is made as similar figures with respect to the display part of non-rectangle, then can obtains the near narrow display device of frame of distance of display part periphery and substrate periphery.
Yet this moment is problematic to be to be the driving circuit of representative with scan line drive circuit, signal-line driving circuit.As before, for the driving circuit of rectangular shape, for example the real semiconducter IC that is contained on the display device substrate as WO93/04460 can the bight occur on substrate, can not become narrow frame.
For the IC chip that uses in patent documentation 7 shape that the display device that discloses conforms to hemispheric substrate obtains narrow frame, need the special chalker of putting down in writing in patent documentation 4, the patent documentation 5.
The object of the present invention is to provide a kind of display frame is the display device of non-rectangular shape, and be configuration driven circuit to high-density, and substrate and device shape also are non-rectangle, the display device of narrow frame.
Solve the scheme of problem
The invention that the application is disclosed in order to solve above-mentioned problem, roughly constitutes in the following manner.
The related display device in the 1st side of the present invention possesses: possess on substrate mutually by the signal wire of rectangular arrangement and sweep trace, at the active component of the cross part configuration of above-mentioned signal wire and above-mentioned sweep trace and the active array type display part of pixel; Drive the scan line drive circuit of above-mentioned sweep trace; And the signal-line driving circuit that drives above-mentioned signal wire, wherein, the profile of above-mentioned display part is a non-rectangle, at least 1 side's driving circuit in above-mentioned scan line drive circuit and the above-mentioned signal-line driving circuit comprises the active component that has with the same structure of the above-mentioned active component that constitutes above-mentioned active matrix, at least 1 side's driving circuit in above-mentioned scan line drive circuit and the above-mentioned signal-line driving circuit possesses a plurality of circuit units with said function, and a plurality of foregoing circuits unit is along the configuration of the periphery of the display part of above-mentioned non-rectangle.
According to the present invention, can realize having display frame with respect to non-rectangle and be the display device of narrow frame of the non-rectangular shape of similar figures.This is because determine the position and the angle of its configuration independently by the common little circuit unit of each division driving circuit gained, even so adopt circuit unit with common shape, also can be more near non-rectangle display part ground configuration driven circuit to high-density.Also have, because having along scan line drive circuit, the signal-line driving circuit of the shape of the periphery of display part also all is to be made of the active component that has with constituting the active component same configuration of display part, so can make manufacturing installation, manufacturing process that can shared display part with same device, operation.
In the related display device in the 2nd side of the present invention, above-mentioned scan line drive circuit or above-mentioned signal-line driving circuit are that the circuit block unit of multistage rectangle or non-rectangle is connect the aggregate form, the changing at interval of foregoing circuit module unit.
According to the present invention, can realize to adjust the display device of the time delay of the signal that scan line drive circuit, signal-line driving circuit are driven.This is non-certain because of the interval of foregoing circuit unit is made as, thereby can determine to be connected the length of the drive signal wiring between each unit, the i.e. time delay of signal between each circuit block unit.
In the related display device in the 3rd side of the present invention, driving circuit with the limit adjacency that is made of straight line above-mentioned non-rectangle display part in above-mentioned scan line drive circuit and the above-mentioned signal-line driving circuit is the semiconducter IC with rectangular shape, having non-rectangular shape along above-mentioned periphery with the driving circuit of the periphery adjacency that is made of curve of above-mentioned non-rectangle display part, is the driving circuit that is made of above-mentioned active component.
According to the present invention, can make the non-rectangular display apparatus that comprises straight line further become narrow frame.This is because compare with the occasion that for example constitutes driving circuit as active component with thin film transistor (TFT), semiconducter IC slight greatly, under the situation of the limit adjacency of semiconducter IC driving circuit that makes rectangle and straight line, the size of driving circuit can the restricting substrate shape.
In the related display device in the 4th side of the present invention, length in the periphery of above-mentioned display part and above-mentioned signal-line driving circuit adjacency is than long with the length of above-mentioned scan line drive circuit adjacency.
According to the present invention, can realize having display frame with respect to non-rectangle and be the display device of narrow frame of the non-rectangular shape of similar figures.This is because by the bigger signal-line driving circuit of the quantity of the active component of forming circuit, circuit scale is extended, thereby makes the cloth of the less signal-line driving circuit of width be configured to possibility.
In the related display device in the 5th side of the present invention, constitute above-mentioned scan line drive circuit or above-mentioned signal-line driving circuit the foregoing circuit unit the laying size than by 2 of the adjacency in 2 of the adjacency in the above-mentioned sweep trace and the above-mentioned signal wire round regional little.
According to the present invention, can reduce sweep trace each other or signal wire interference each other.This is because do not make sweep trace or signal wire crooked and distance that change each other just can couple together scan line drive circuit or signal-line driving circuit and active matrix.
The invention effect
According to the present invention, be aspect the display device of non-rectangular shape in display frame, it also is non-rectangle that configuration driven circuit to high-density, substrate and device shape can be provided, the display device of narrow frame.
Its reason is, with display part in abutting connection with and the driving circuit of configuration has the circuit unit of common function by each and be configured in along the position of the periphery of the display part of non-rectangle, thereby can lay driving circuit to high-density, can make the display device of the approaching narrow frame of its substrate shape that becomes device and size and display part with non-rectangular shape.
According to the present invention, not needing increases the special chalker that is used to cut out the driving circuit IC with non-rectangular shape, special fabrication processes etc. for the non-rectangular display apparatus that obtains narrow frame.Its reason is to make the active component that constitute driving circuit with same operation with the active component that constitutes the display part active matrix on same substrate, so can the shared manufacturing installation manufacturing process that is used to make driving circuit.
Description of drawings
Fig. 1 is the figure of the formation of expression the 1st embodiment of the present invention.
Fig. 2 is the figure of an example of expression shift register.
Fig. 3 is the figure of an example of the laying of expression shift register.
Fig. 4 is the figure that constitutes of the scan line drive circuit that is made of shift register of expression.
Fig. 5 is the timing diagram of the action of expression scan line drive circuit.
Fig. 6 is the figure (comparative example) that the rectangle of expression scan line drive circuit is laid.
Fig. 7 is the figure of laying of the scan line drive circuit of expression the 1st embodiment of the present invention.
Fig. 8 is the figure of laying of the scan line drive circuit of expression the 1st embodiment of the present invention.
Fig. 9 is the figure of the laying of expression the 2nd scan line drive circuit of the present invention.
Figure 10 is the figure of the laying of expression the 3rd scan line drive circuit of the present invention.
Figure 11 is the figure of formation of the non-rectangular display apparatus of expression the 4th embodiment of the present invention.
Figure 12 is the figure of laying of the shift register of expression the 4th embodiment of the present invention.
Figure 13 is the figure of laying of the scan line drive circuit of expression the 4th embodiment of the present invention.
Figure 14 is the figure of laying of the scan line drive circuit of expression the 5th embodiment of the present invention.
Figure 15 is the figure of laying of the shift register of expression the 6th embodiment of the present invention.
Figure 16 is the figure of formation of the non-rectangular display apparatus of expression the 7th embodiment of the present invention.
Figure 17 is the figure of formation of the non-rectangular display apparatus of expression the 8th embodiment of the present invention.
Figure 18 is the figure of formation of the non-rectangular display apparatus of expression the 9th embodiment of the present invention.
Figure 19 is the figure of formation of the non-rectangular display apparatus of expression the 10th embodiment of the present invention.
Figure 20 is the figure of formation of the non-rectangular display apparatus of expression the 11st embodiment of the present invention.
Figure 21 is the figure that expression has the analog digital switching table of circular display part.
Figure 22 is the figure that the mobile phone of circular display device has been assembled in expression.
Figure 23 is the figure that expression has the velometer of semicircle display part.
Figure 24 is the figure of expression rectangle display device.
Figure 25 is the figure of the formation of the existing non-rectangular display apparatus of expression.
Figure 26 is the figure of formation of the non-rectangular display apparatus of expression the 12nd embodiment of the present invention.
Figure 27 is the figure of details of formation of the non-rectangular display apparatus of expression the 12nd embodiment of the present invention.
Figure 28 is the figure of formation of the non-rectangular display apparatus of expression the 13rd embodiment of the present invention.
Figure 29 is the figure of formation of the display device of the display part of expression with heart shape.
Figure 30 is the figure of the display device of expression heart shape.
Figure 31 is the figure of the structure of expression thin film transistor (TFT).
Figure 32 is the figure of the display device of expression raindrop shape.
Figure 33 is the figure of the display device of expression ship type.
Symbol description
1 display part
2 sweep traces
3 signal wires
4 thin film transistor (TFT)s
5 pixel cells (liquid crystal)
6 pixel capacitances
7 common electrodes
8 scan line drive circuits
9 signal-line driving circuits
10 display base plates
11 display device
12 mobile phones
21 signal-line driving circuits (IC chip)
100 shift registers
101,102,103,104 thin film transistor (TFT)s
105 silicon thin films
106 grid layers
107 contact elements
108 conductive layers
109 trapezoidal shift registers
110 trapezoidal shift registers
111 gate insulating films
CLK1, CLK2: clock signal
VH, VL: input DC power
ST: commencing signal
OUTn, OUTn+1, OUTn-1: scan line drive circuit output
Embodiment
Secondly, with reference to accompanying drawing embodiments of the present invention are elaborated.
＜the 1 embodiment 〉
Fig. 1 is the figure of the formation of expression one embodiment of the present invention.Display part 1 is to be made as circular non-rectangular display apparatus.The display device of present embodiment possesses on display base plate 10 and to form, by a plurality of sweep traces 2, a plurality of signal wire 3 be configured in the Active Matrix LCD At portion 1 that the thin film transistor (TFT) 4 as pixel and active component of its intersection point constitutes and 2 scan line drive circuits 8 and 2 signal-line driving circuits 9 that for example constitute by thin film transistor (TFT).
Here, be made as the flat shape of scan line drive circuit 8 and signal-line driving circuit 9 fan-shaped, make it along the periphery of display part 1 and bending, thereby can make the shape of display base plate 10 be similar figures with respect to non-rectangle display part 1, the size of the size of display part 1 and display base plate 10 is approaching, can realize the display device of narrow frame.
The invention provides the formation that on the zone of the non-rectangle as fan-shaped, to lay the driving circuit of active matrix to high-density.
The demonstration of active matrix is the current potential that changes sweep trace 2 successively, make the thin film transistor (TFT) that is connected with sweep trace 2 with gate terminal (with reference to Figure 24 4) become conducting state, in its conduction period signal wire 3 is added the current potential suitable with view data, pixel is charged.
Therefore, scan line drive circuit 8 need have the function of driven sweep line 2 successively.This can use multistage shift register circuit 100 to realize.
As an example, Fig. 4 represents the example that the circuit of the scan line drive circuit that is made of shift register constitutes.With reference to Fig. 4, the transistor 102 that each shift register possesses the transistor 104 that links to each other with node N1 with power supply VH, link to each other with power supply VL with node N1, the transistor 103 that links to each other with output OUT1 with power supply VH, with export the transistor 101 that OUT1 links to each other with clock CLK1.Transistor 101～104th, the P transistor npn npn.
The grid of transistor 101 is connected with node N1, the output of the grid of transistor 102 and prime shift register (is that elementary occasion is commencing signal ST at shift register), the grid of transistor 103 is connected with clock CLK2, and the grid of transistor 104 is connected with the output OUT2 of back level shift register.
CLK1 and CLK2 are the signals with complementary relationship, if shift register is an odd level, then the connection of clock is same as described above.Also have, in the occasion of even level, CLK1 and CLK2 exchange, transistor 101 links to each other with CLK2, and the grid of transistor 104 is connected with CLK1.
Fig. 5 is the timing diagram of action of the shift register of presentation graphs 4.If commencing signal ST becomes low level VL from high level VH, then transistor 102 conductings, the current potential of node N1 is reduced to the degree of VL+Vth (Vth is the threshold voltage of transistor 102).
Like this, though transistor 101 conductings, CLK1 is a high level, so VH output OUT1 becomes high level VH.
Secondly, if CLK1 changes to low level VL from high level VH, CLK2 changes to high level VH from low level VL, and then owing to the bootstrap effect of transistor 101, output OUT1 can become low level VL from high level VH under the state of transistor 101 conductings.At this moment, be high level VH as the CLK2 of the grid of transistor 103, transistor 103 becomes non-conduction.
Secondly, if CLK1 changes to high level VH from low level VL, CLK2 changes to low level VL from high level VH, then transistor 103 conductings, and output OUT1 becomes high level VH.
At this moment, even transistor 101 is keeping conducting state, because CLK1 is high level VH, so also do not flow to the perforation electric current of CLK1 from VH.
Also have, if become low level VL as the output OUT2 of the 2nd grade of shift register of the grid of transistor 104, then transistor 104 conductings, node N1 becomes high level VH, makes transistor 101 become nonconducting state.
Repeat these actions successively, thus from lead-out terminal OUT1, the OUT2 of each shift register, OUT3 ... the pulse of the low level VL that generation and clock CLK1, CLK2 are synchronous.
On these lead-out terminals directly or pass through the function that sweep trace 2 that buffer circuit connects active matrix just can be realized the scan line drive circuit of hope.
,, represented the example of P transistor npn npn here, but, also can constitute same shift register circuit by the N transistor npn npn as transistor.Have, the shift register circuit with said function also can easily constitute with the complementary type of together having used N transistor npn npn and P transistor npn npn again.
More than be the narration of the scan line drive circuit 8 of relevant driven sweep line 2, the signal-line driving circuit 9 that the signal wire 3 of active matrix is applied the signal voltage of hope also has common feature.Here it is, and the signal-line driving circuit 9 that drives the signal wire of active matrix integral body is made of by 1 or the circuit that has identical function by several signal wires 3 a plurality of.
That is, can realize and use a plurality of same circuits pieces to drive the scan line drive circuit 8 and the signal-line driving circuit 9 of active matrix integral body and the circuit block that has is corresponding by sweep trace 2, signal wire 31 or many.
Circuit block inside with identical function adopts same circuits to lay figure more.For example certain scan line drive circuit shown in Figure 4 in the driving circuit is a plurality of shift register circuits 100 that are tied, and a sweep trace is had 1 shift register circuit 100 correspondence.This moment shift register circuit 10, for example shown in Figure 2, the output OUTn of n level shift register links to each other with n level sweep trace.
OUTn-1 and OUTn+1 are respectively the output of n-1 level and n+1 level shift register in Fig. 2, are input in the n level shift register.Also have, power supply VH is a high potential power, and VL is a low potential power source, and clock signal is that CLK1 and CLK2 are the signal of inverse relationship each other.
Fig. 3 represents to finish the example that the circuit of the function of shift register shown in Figure 2 100 is laid.Here, silicon thin film 105 for example is the polycrystal silicon film.
For understanding the lamination structure of thin film transistor (TFT), the A-A ' section of Figure 31 presentation graphs 3.Thin film transistor (TFT) comprise the grid that constitutes by silicon thin film 105 with by the grid layer 106 that the thickness of gate insulating film 111 separates and the local low resistance change in the silicon thin film 105 source electrode, drain electrode.The thin film transistor (TFT) 101 of forming circuit can be identical layer structure with the thin film transistor (TFT) 4 that constitutes pixel.And can be with same device, operation on same display base plate 10, by identical thickness manufacturing.
Make the grid layer 106 of transistorized grid because its electric conductivity also is used as wiring.Conductive layer 108 for example is metals such as aluminium, as wiring.
Obtain by contact element 107 silicon thin films 105 local low resistance change source electrode, drain electrode or grid layer 106 and the electrical connection between the conductive layer 108.
In the occasion of laying by the mode that makes scan line drive circuit 8 become rectangular shape, the shift register 100 at transverse direction repetition Fig. 3 gets final product its parallel duplicating movably.
Here, clock signal clk 1 and CLK2 are that the mode that the shift register 100 by adjacency alternately switches applies.
As a comparative example, Fig. 6 represents to lay by rectangle the example of scan line drive circuit 8.The interval of a plurality of shift registers 100 generally conforms to the interval of sweep trace 2, is certain.
Fig. 7 represents in one embodiment of the present invention, makes scan line drive circuit 8 along the periphery of non-rectangle display part 1 and the figure of an example of crooked laying.
In Fig. 7, the direction vertical with sweep trace 2 is made as directions X, the direction parallel with sweep trace 2 is made as the Y direction.
As shown in Figure 6, in the occasion of laying scan line drive circuit 8 by rectangle, with only directions X repeat 1 grade amount shift register 100 laying and parallel situation of duplicating is movably compared, the feature of example shown in Figure 7 is to repeat with the Y direction and parallelly duplicate movably at directions X.
Have, it is characterized in that the displacement of directions X conforms to the interval of sweep trace 2, but, the displacement of Y direction changes between the 1st grade and the 2nd grade, the 2nd grade and 3rd level.
This have can from bending the effect of nearer each shift register 100 of position configuration of the periphery of non-rectangle display part 1.
Have, the displacement of Y direction can be the multiple of Y direction length that constitutes the pixel of display part 1 again.
That is, as shown in Figure 8, in the present embodiment, the interval dy that display part 1 is pressed signal wire 3 by Y direction length repeats, the matrix that directions X length is pressed the pixel that the interval dx of sweep trace 2 repeats constitutes, so even display part 1 be shaped as non-rectangle, the coordinate of configuration pixel can be a unit with dx, dy also.
Thereby, the not only laying of moving shift register 100 by dx unit, and also move it by dy unit in the Y direction at directions X, thus can keep the distance of the periphery of display part 1 and shift register 100 certain.This has and can import from the effect of the signal of each shift register 100 output to the sweep trace 2 of display part 1 in the identical time.
The wiring of the mutual output connection (OUTn-1, OUTn, OUTn+1) between power lead VH, VL, clock signal wiring CLK1, CLK2 and shift register also is to extend and be connected 100 in each shift register in directions X and Y direction.
In example shown in Figure 7, power lead, clock signal wiring and mutual output connection are only extended at directions X or Y direction, but, also can be connected 100 in each shift register by the extension at tilted direction.
If between each shift register, change at interval, then can change the time delay of clock signal, shift register output.
This is because between each shift register, and the length of signal routing changes, and cloth line resistance and wiring capacity change.
Thereby, according to present embodiment, can realize the driving circuit of the time delay of scalable clock signal, shift register output, also can keep the delay between shift register certain by design.
＜the 2 embodiment 〉
Fig. 9 is the figure of the laying of expression the 2nd embodiment of the present invention.In the present embodiment, except the directions X of Fig. 7 and Y direction repeat also make each shift register 100 with arbitrarily angled inclination parallel the moving.
So just can near the periphery of display part, dispose each shift register 100.Also have, power lead VH, VL and clock signal routing CLK1, CLK2, mutual output connection for example are connected 100 in each shift register by the shortest mode sideling.
In the present embodiment, in 100 in each shift register, the interval of directions X equates with the interval of sweep trace 2, be certain, and the pitch of the interval of Y direction and the anglec of rotation changes.
At random determine back 2 points, just can be in the distance of 100 in 100 adjustment shift registers of each shift register, i.e. clock signal routing, the distance of output connection mutually.
So just can regulate the time delay of the output of clock signal clk 1, CLK2 and shift register 100, also can keep the delay of 100 in shift register certain by design.
＜the 3 embodiment 〉
Figure 10 is the figure of an example of the laying of expression the 3rd embodiment of the present invention.In the present embodiment, make along the periphery of display part 1 and have at any angle that the interval of each shift register becomes narrower pitch.
That is, the bottom corner of the laying (Fig. 3) of the shift register 100 of rectangle is approaching by the mode in 100 contacts of shift register of adjacency.So just can shorten the length of entire scan line drive circuit 8.
Have, on the periphery of display part 1, if the scan line drive circuit 8 of present embodiment occupies the length identical with Fig. 7, Fig. 9, then the laying width of each shift register 100 can increase again.
The ifs circuit scale is identical, and is then corresponding therewith, and the laying height of shift register 100 can reduce.The width that this means scan line drive circuit 8 diminishes, and can obtain the display device of narrower frame.
＜the 4 embodiment 〉
Next illustrates the 4th embodiment of the present invention.Figure 11 has been suitable for the 4th embodiment of the present invention in the more complicated non-rectangular display apparatus of shape.The shift register 100 laid by rectangle is moved in that 2 directions are parallel, become arbitrarily angledly, be configured to possibility thereby make along the cloth of the scan line drive circuit 8 of the periphery of non-rectangle display part 1.
In addition, about on the periphery of non-rectangle display part 1 with the shift register 100 of straight line portion adjacency, by existing mode, adopt 1 direction parallel move just very abundant.
＜the 5 embodiment 〉
Next illustrates the 5th embodiment of the present invention.Be that shift register shown in Figure 2 is laid by the mode that becomes trapezoidal rather than rectangular shape in the present embodiment.Figure 12 represents the example of laying of the shift register of present embodiment.
In the shift register 109 of this trapezoidal shape, the width of going to the bottom narrow (trapezoidal) is cut apart thin film transistor (TFT) 102,104 respectively, is connected in parallel and lay.Like this, compare with the rectangle laying of Fig. 2, the width of upper base enlarges, and short transverse then shortens.
As the occasion of scan line drive circuit 8, image pattern 13 such trapezoidal inclinations according to adjacency are configured and get final product in that trapezoidal shift register 109 is pressed multistage connection.Like this, trapezoidal expansion top landfill Fig. 9, example shown in Figure 10 in be in the dummy section of triangle of 100 in the shift register of adjacency, thereby it is eliminated, so the length of whole scan line drive circuit 8 can not increase.
On the other hand, it is to have shortened that the height of each trapezoidal shift register 109 is compared with Fig. 2, so can obtain the scan line drive circuit 8 highly lower, that width is littler.
＜the 6 embodiment 〉
Next illustrates the 6th embodiment of the present invention.As shown in figure 14, it is the display part 1 at the periphery with intricately bending, is made of the example of the scan line drive circuit 8 of adjacency a plurality of trapezoidal shift registers 109,110.
＜the 7 embodiment 〉
Secondly, the 7th embodiment of the present invention is described.With reference to Figure 16, the display device of the 7th embodiment of the present invention is the thing that thin film transistor (TFT) was constituted combines along the signal-line driving circuit 21 of the scan line drive circuit 8 of the periphery of non-rectangle display part 1 and IC chip to form on same display base plate 10 with the same operation of the thin film transistor (TFT) that constitutes Active Matrix LCD At portion 1.
Signal-line driving circuit 21 for example making on silicon wafer, is contained on the display base plate 10 by the IC chip 21 that rectangular shape cuts out with general chalker in fact.
Generally speaking, the size of IC chip 21 is than laying the slight greatly of circuit with thin film transistor (TFT).This mainly is that the transistorized channel width because of manufacturing, the width of wiring are fine.Therefore, on the periphery of display part 1, the length that the IC chip of adjacency accounts for can shorten.
Therefore, can lay longly by the scan line drive circuit 8 that thin film transistor (TFT) constitutes, the length that the periphery of display part 1 accounts for can obtain long.
Like this, make the width of scan line drive circuit 8 relatively littler, thereby make the size of the size of display part 1 and display base plate 10 more approaching, can realize the display device of narrow frame.
＜the 8 embodiment 〉
Secondly, the 8th embodiment of the present invention is described.With reference to Figure 17, the display device of the 8th embodiment of the present invention is the mode that the signal-line driving circuit 21 of scan line drive circuit 8 that is made of thin film transistor (TFT) and IC chip is combined.
On the limit that is made of straight line of non-rectangle display part 1, the signal-line driving circuit 21 of the IC chip of rectangle has been put in real assembling in abutting connection with ground, on the limit of bending, has laid to adjacency the scan line drive circuit 8 along its shape.
Compare with the occasion that all driving circuits is made as the IC chip of rectangle, can realize the non-rectangular display apparatus of narrow frame.
＜the 9 embodiment 〉
Secondly, the 9th embodiment of the present invention is described.With reference to Figure 18, the display device of the 9th embodiment of the present invention possess be made as along the shape of the periphery of the display part 1 of non-rectangle and with the scan line drive circuit 8 and the signal-line driving circuit 9 of display part 1 adjacency.
In the present embodiment, different with above-mentioned the 1st embodiment shown in Figure 1 points are to lay the length of signal-line driving circuit 9 longlyer than the length of scan line drive circuit 8.That is, on the periphery of display part 1, the length of 9 adjacency of signal-line driving circuit is longer than the length of 8 adjacency of scan line drive circuit.
Compare with the scan line drive circuit that generally is made of shift register, signal-line driving circuit is made of digital to analog converter, analogue amplifier etc., so number of transistors is many, wiring is also complicated.Therefore, if constitute, then have and lay the big tendency of area change by identical thin film transistor (TFT).
Therefore, by the length of lengthening signal-line driving circuit 9, shorten the mode of the length of scan line drive circuit 8 and lay, thereby the width of signal-line driving circuit 9 is diminished, it is big that the width of scan line drive circuit 8 becomes.
If both width equalizations, then can realize the periphery of display part 1 and display base plate 10 periphery distance full week evenly, be display base plate 10, the display device of similar figures with respect to the display part 1 of non-rectangle.
＜the 10 embodiment 〉
Secondly, the 10th embodiment of the present invention is described.With reference to Figure 19, the 10th embodiment of the present invention is circular non-rectangle display part in addition.On the display part 1 for straight line, crooked up and down periphery about having, set sweep trace 2, set signal wire 3 at longitudinal direction at transverse direction.By the signal wire 3 on the signal-line driving circuit 9 driving picture right sides that are configured in upper right quarter, drive the signal wire 3 on the picture left sides by the signal-line driving circuit 9 that is configured in lower left quarter.
Each signal-line driving circuit 9 is along the periphery of the display part of bending and crooked shape.
The driving of sweep trace 2 be to use by about cut apart the scan line drive circuit 8 of configuration.
The scan line drive circuit 8 that is configured in the right drives most of sweep trace of pictures, and makes the place of sweep trace interruption in the bending owing to display part, then is that the scan line drive circuit 8 that is configured in the left side drives from the left side.
＜the 11 embodiment 〉
Secondly, the 11st embodiment of the present invention is described.With reference to Figure 20, the 11st embodiment of the present invention point different with above-mentioned the 10th embodiment shown in Figure 19 be signal-line driving circuit 9 with the periphery of crooked display part 1 in, scan line drive circuit 8 and signal-line driving circuit 9 be the part adjacency of adjacency not, makes the laying of signal-line driving circuit 9 become longer in this way.
Like this, it is thinner that the laying of signal-line driving circuit 9 can become, and further narrow frame changes into and is possible.
＜the 12 embodiment 〉
Secondly, the 12nd embodiment of the present invention is described.With reference to Figure 26, the display device of the 12nd embodiment of the present invention possesses and is made as along shape and the scan line drive circuit 8 display part 1 adjacency of the periphery of the display part 1 of non-rectangle and signal-line driving circuit 9 each.
In the present embodiment, the point different with above-mentioned the 1st embodiment shown in Figure 1 is that the quantity of scan line drive circuit 8 and signal-line driving circuit 9 is few.In the occasion that a plurality of scan line drive circuits 8, a plurality of signal-line driving circuit 9 are arranged, be used for moving successively synchronous need obtained respectively between the scan line drive circuit, between the signal-line driving circuit.That is, in the occasion of scan line drive circuit 8, in constituting its a plurality of shift registers 100, the shift register for the OUTn of output map 2 as input, uses output OUTn-1, the OUTn+1 of prime and back level shift register to obtain synchronously.A plurality of scan line drive circuits 8 also need same synchronously.If as present embodiment, the quantity of scan line drive circuit 8 and signal-line driving circuit 9 is few, does not then need to obtain synchronously, and it is alleviated, and this is its advantage.
In above-mentioned the 1st embodiment, be limited to one with the driving circuit 8 or 9 of same section adjacency on the periphery of the display part 1 of non-rectangle, and in the present embodiment, the same section on periphery there are 2 driving circuit adjacency.At this moment constitute the shift register 100 of scan line drive circuit 8, how the circuit block that constitutes signal-line driving circuit 9 disposes, represent by the Figure 27 at the position that has enlarged 2 driving circuit adjacency.When the signal wire 3 that circuit block drove is connected to pel array, can intersect, but, make signal wire 3 by between the shift register of having been cut apart 100 with scan line drive circuit 8, thus with the interference-limited of scan line drive circuit 8 in Min..Also have, in display part 1 outside, at the position that signal wire 3 and sweep trace 2 intersect, because do not have the such thin film transistor (TFT) of the crossover sites of Figure 24 4, pixel cell 5, so the influence that demonstration is brought is little.
＜the 13 embodiment 〉
Secondly, the 13rd embodiment of the present invention is described.With reference to Figure 28, in the display device of the 13rd embodiment of the present invention, the block size that constitutes the shift register 100 of scan line drive circuit 8 is to be spaced apart horizontal stroke with sweep trace 2, below the vertical area of being spaced apart of signal wire 3.Promptly with by 2 signal line area surrounded of the adjacency in 2 sweep traces of the adjacency in the sweep trace 2 and the signal wire 3 compare, the laying size of shift register 100 is little.
In the present embodiment, the point different with above-mentioned the 12nd embodiment shown in Figure 27 is to make from the signal wire 3 of signal-line driving circuit 9 output not extend agley and by between the shift register 100, with scan line drive circuit 8 pel array does not take place to disturb and be connected to.Signal wire 3 bendings in Figure 27, so the distance between signal wire significantly changes, signal wire interference each other becomes problem.Distance between signal wire keeps certain in the present embodiment, so can suppress signal wire interference each other.Here to being limited, and adopt opposite approach to get final product near the occasion of display parts 1 at signal-line driving circuit 9 from the size of display part 1 than the shift register 100 of the scan line drive circuit 8 of near-earth configuration.
In addition, in the above-described embodiment, constituting the active component of driving circuit and the active component in the pixel is thin film transistor (TFT), but, if can reach purpose of the present invention, effect, also can adopt diode or other active components.
Also have, also can combine various active components, for example, pixel adopts diode, and driving circuit adopts thin film transistor (TFT).
Also have, in the above-described embodiment, pixel is a liquid crystal, but, if can reach purpose of the present invention, effect, also can adopt electroluminescent material.As electroluminescent material, organic material, inorganic material can.For example, in the occasion that has adopted organic material, the seal pads such as seal glass that use in order to improve reliability shape be made as and display part similar shapes roughly, just can realize the non-rectangular display apparatus that design effect is good.Also have, the profile of the opticses such as circularly polarized light plate commonly used in order to prevent external light reflection is made as and display part similar shapes roughly, also can realize the non-rectangular display apparatus that design effect is good.
Adopt embodiments of the present invention, can realize the circle table of narrow frame shown in Figure 21.That is, as shown in Figure 7, lay and to have along the periphery of display part 1 and the scan line drive circuit 8 and the signal-line driving circuit 9 of crooked shape, thereby make the shape of display base plate 10 and display device 11 similar to display part 1.
Also have, display part is made as the Active Matrix LCD At portion that is made of a plurality of sweep traces, a plurality of signal wire and pixel, just can carry out high meticulous demonstration, can also switch two kinds of simulation table and digital watch and show and show.
Above-mentioned table can add that also watchband uses as wrist-watch.
Have again, also can as shown in figure 22 it be assembled in the mobile phone.In this occasion, the display device of narrow frame can be brought into play effect, the unnecessary volume when reducing assembling.
Semicircular velometer shown in Figure 23 is suitable for occasion of the present invention, for example can be suitable for the mode of Figure 17.That is, with the straight line portion of semicircle in abutting connection with and the semiconducter IC system driving circuit of configuration rectangular shape, laying is along the driving circuit of periphery bending at least 1/4 circle of the periphery of bending.
So can realize having the velometer of the semicircle display part of narrow frame, it is assembled into automobile etc. can also reduce unnecessary volume when middle.
Adopt embodiments of the present invention, can realize heart type display device shown in Figure 29.That is, as shown in figure 30, lay and to have along the periphery of display part 1 and the scan line drive circuit 8 and the signal-line driving circuit 9 of crooked shape, thereby can make the shape of display device 11 similar to display part 1.When the acute angle part of the heart is made as the bottom, sweep trace 2 and signal wire 3 cloth are set as from horizontal vertical to tilt by 45 degree, thereby can realize display device with scan line drive circuit 8 and signal-line driving circuit 9 each number seldom of one.This also has advantage, the effect identical with the 12nd embodiment.
Display part is made as the Active Matrix LCD At portion that is made of a plurality of sweep traces, a plurality of signal wire and pixel, and heart type display device just can be applied flexibly as the digital suspension member, the digital hanging piece that show the digital picture that height is meticulous.According to the present invention,, for example also can be the raindrop type of Figure 32, the ship shape display device of Figure 33 except being the heart type.
Advertisement display to the advertisement image that shows animation, static picture adopts embodiments of the present invention, thereby can utilize display part and device to be shaped as feature arbitrarily, and the display of the shape that conforms to promotion item is provided.
The electronic console that is used for the paving advertisement of the shape of applying flexibly example the velometer of the portable terminal device of having assembled the non-rectangular display apparatus with active matrix, mobile phone, the table that can carry out multi-functional demonstrations such as digital simulation time, calendar, temperature, air pressure, automobile etc. being arranged, show the digital photos frame of high meticulous photo, digital suspension member, conform to of the present invention with promotion item.
In addition, in this article each public technology of above-mentioned patent documentation is used as quoting.Can be in the scope of all public technologies of the present invention (comprising claim), and, carry out the change adjustment of embodiment and even embodiment based on its basic fundamental thought.Also have, can in claim scope of the present invention, carry out the multiple combination and even the selection of various public technology key elements.That is, the present invention comprises that certainly those skilled in the art are according to all public technologies of claim, various distortion, the correction that technological thought can carry out.
Claims (18)
1. display device possesses:
Possess on substrate mutually by the signal wire of rectangular arrangement and sweep trace, at the active component of the cross part configuration of above-mentioned signal wire and above-mentioned sweep trace and the active array type display part of pixel;
Drive the scan line drive circuit of above-mentioned sweep trace; And
Drive the signal-line driving circuit of above-mentioned signal wire,
It is characterized in that,
The profile of above-mentioned display part is a non-rectangle,
At least 1 side's driving circuit in above-mentioned scan line drive circuit and the above-mentioned signal-line driving circuit comprises the active component that has with the same structure of the above-mentioned active component that constitutes above-mentioned active matrix,
At least 1 side's driving circuit in above-mentioned scan line drive circuit and the above-mentioned signal-line driving circuit possesses a plurality of circuit units with said function,
A plurality of foregoing circuits unit is along the configuration of the periphery of the display part of above-mentioned non-rectangle.
2. display device according to claim 1 is characterized in that,
Above-mentioned active component comprises membrane silicon layer,
The thickness that constitutes the membrane silicon layer of the included above-mentioned active component of thickness and at least 1 side's driving circuit in above-mentioned scan line drive circuit and the above-mentioned signal-line driving circuit of membrane silicon layer of above-mentioned active component of above-mentioned active matrix equates.
3. display device according to claim 1 is characterized in that,
In at least 1 side's driving circuit in above-mentioned scan line drive circuit and above-mentioned signal-line driving circuit,
The laying of foregoing circuit unit is shaped as rectangle or non-rectangle,
The foregoing circuit unit is multistage connection,
The foregoing circuit unit of multistage connection comprises between the foregoing circuit unit being the thing that changes at interval.
4. according to any described display device in the claim 1 to 3, it is characterized in that,
In at least 1 side's driving circuit in above-mentioned scan line drive circuit and above-mentioned signal-line driving circuit,
The driving circuit of the periphery adjacency of extending with the linearity ground of the display part of above-mentioned non-rectangle is the semiconducter IC that is made as rectangular shape,
Comprise with the driving circuit of the periphery adjacency that constitutes by curve of the display part of above-mentioned non-rectangle being made as along the non-rectangular shape of above-mentioned periphery, with the above-mentioned active component made from the same operation of the above-mentioned active component that constitutes above-mentioned active matrix.
5. display device according to claim 1 is characterized in that, length on the periphery of above-mentioned display part and above-mentioned signal-line driving circuit adjacency is than long with the length of above-mentioned scan line drive circuit adjacency.
6. display device according to claim 1, it is characterized in that, above-mentioned a plurality of circuit units along the configuration of the periphery of above-mentioned display part comprise by the uniform mode of the distance between the periphery of foregoing circuit unit and above-mentioned display part, step are set and the circuit unit that disposes with respect to the neighbor.
7. display device according to claim 1 is characterized in that, above-mentioned a plurality of circuit units are at least a portion zone in display device, by predetermined predetermined distance configuration on the direction parallel with optional certain linear axis.
8. display device according to claim 1 is characterized in that, comprise along above-mentioned a plurality of circuit units of the periphery of above-mentioned display part configuration corresponding with the periphery of above-mentioned display part, with the circuit unit of the state configuration that tilts with respect to other circuit units.
9. display device according to claim 1 is characterized in that, above-mentioned a plurality of circuit units are at least a portion zone in display device, on the direction of optional certain turning axle by predetermined predetermined angular configuration.
10. display device according to claim 1 is characterized in that, is shaped as rectangle along the laying of the foregoing circuit unit of the periphery of above-mentioned display part configuration.
11. display device according to claim 1 is characterized in that, is shaped as trapezoidal or trapezoidal along the laying of the foregoing circuit unit of the periphery of above-mentioned display part configuration.
12. display device according to claim 11 is characterized in that,
As in abutting connection with the foregoing circuit unit of ground configuration, comprising along the periphery of above-mentioned display part
Laying is shaped as trapezoidal foregoing circuit unit,
Laying is shaped as down trapezoidal foregoing circuit unit,
Laying is shaped as trapezoidal foregoing circuit unit and is down in the trapezoidal foregoing circuit unit at least a kind.
13. display device according to claim 1, it is characterized in that, along the non-rectangle that is shaped as of a part of circuit unit of above-mentioned a plurality of circuit units of the periphery of above-mentioned display part configuration, the arrangement of the circuit unit of above-mentioned non-rectangle is the circuit unit of above-mentioned non-rectangle is combined to dispose by roughly becoming the closeest mode.
14. display device according to claim 1, it is characterized in that, in at least 1 side's driving circuit in above-mentioned scan line drive circuit and above-mentioned signal-line driving circuit, the laying size of foregoing circuit unit than by 2 signal line of 2 sweep traces of the adjacency in the above-mentioned sweep trace and the adjacency in the above-mentioned signal wire round regional little.
15. according to any described display device in the claim 6 to 14, it is characterized in that, the foregoing circuit unit comprises shift register, the a plurality of shift registers that connect by cascade system constitute above-mentioned scan line drive circuit, the signal response clock signal of having imported to elementary shift register and exporting, the level shift register transmits successively backward, and drives corresponding scanning beam.
16. a display device is characterized in that,
Possess driving circuit, in this driving circuit, the shift register that is made of thin film transistor (TFT) connects by the multi-stage cascade mode, the signal response clock signal of having imported to elementary shift register and exporting, the level shift register transmits successively backward, and as the signal that drives display part
Follow above-mentioned display part periphery shape and dispose a plurality of above-mentioned shift registers, on the gabarit of the curve shape of the periphery of above-mentioned display part, with respect to the neighbor step or degree of tilt are set and dispose above-mentioned shift register.
17. display device according to claim 16 is characterized in that, the laying of a plurality of above-mentioned shift registers is shaped as the rectangle of same size.
18. display device according to claim 16 is characterized in that, the laying of a plurality of above-mentioned shift registers is shaped as trapezoidal or trapezoidal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310344236.2A CN103487962B (en) | 2007-04-27 | 2008-04-28 | Non-rectangular display apparatus |
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| JP2007-118912 | 2007-04-27 | ||
| JP2007118912 | 2007-04-27 | ||
| JP2008106654A JP5278729B2 (en) | 2007-04-27 | 2008-04-16 | Non-rectangular display device |
| JP2008-106654 | 2008-04-16 |
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| CN201310344236.2A Division CN103487962B (en) | 2007-04-27 | 2008-04-28 | Non-rectangular display apparatus |
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| CN201310344236.2A Active CN103487962B (en) | 2007-04-27 | 2008-04-28 | Non-rectangular display apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103487962A (en) | 2014-01-01 |
| JP5278729B2 (en) | 2013-09-04 |
| CN101295081B (en) | 2014-07-23 |
| CN103487962B (en) | 2017-04-26 |
| JP2008292995A (en) | 2008-12-04 |
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