CN107689196A - A kind of AMOLED display screens and its wiring method - Google Patents
A kind of AMOLED display screens and its wiring method Download PDFInfo
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- CN107689196A CN107689196A CN201710792221.0A CN201710792221A CN107689196A CN 107689196 A CN107689196 A CN 107689196A CN 201710792221 A CN201710792221 A CN 201710792221A CN 107689196 A CN107689196 A CN 107689196A
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- display screens
- metal level
- signal line
- wiring region
- amoled display
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 142
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of AMOLED display screens, include display screen outward flange, effective display area, wiring region, Frit encapsulation regions and the drilling region in the middle part of AMOLED display screens successively from outside to inside；Image element circuit is distributed with effective display area；Multiple signals line is drawn per road image element circuit to be arranged on the different metal floor of wiring region along default direction；The direction of routing of coplanar metal level in wiring region is identical, and the direction of routing of the metal level of antarafacial distinguishes, and reserves and specifies Spacing between each signal line in coplanar metal level；By insulator separation between each layer metal level, and the specified signal wire of each layer metal level is electrically connected with by via.Present invention also offers a kind of wiring method of AMOLED display screens.Implement technical scheme provided by the invention, the space-consuming of signal wire can be saved, increase effective display area domain, improve the display quality of the AMOLED display screens with drilling.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of AMOLED display screens and its wiring method.
Background technology
It is organic that AMOLED (Active-Matrix Organic Light Emitting Diode) is also known as active matrix
Light emitting diode or active Organic Light Emitting Diode.AMOLED panel have can be sequentially formed on substrate LTPS (low temperature is more
Crystal silicon technology) back plane circuitry structure, anode, organic luminous layer and negative electrode composition.LTPS back plane circuitries are made up of sandwich construction,
TFT (thin film transistor (TFT)) is formed by manufacturing process between different layers, different layers realize connection or are separated from each other with layer cabling.
The manufacture craft of general AMOLED panel is divided into backboard section (i.e. LTPS sections), OLED evaporations section, encapsulation section, and its dorsulum section includes
Built-up circuit array of structures substrate, anode etc.；OLED evaporation sections include the processes such as the evaporation of luminous organic material, cathode evaporation.
With the rise of intelligence wearing product, the intelligent wrist-watch for example shown with entity pointer and vehicle-mounted liquid crystal display
Device, traditional wrist-watch and high-tech intelligent display are combined, more can stimulating customer the desire for consumer goods.But generally intelligence is aobvious
Display screen curtain usually requires to coordinate various entity function devices, so that part Pixel (pixel) circuits of viewing area are deleted
Remove or detach.For example, shown with entity pointer due to through hole need to be obtained in display panel internal drilling to install pointer so that
Viewing area center section image element circuit is to be deleted, thus drill needed between region and viewing area reserved certain space with
Signal wire for being laid out Pixel circuits.
The signal wire of current active display is connected up using grid type more, i.e., each sub-pixel unit and various signals
Line is connected, and sub-pixel unit quantity is more, and the quantity of signal wire is more.On the other hand, and because of effective display area (Active
Area, abbreviation AA) be hollowed out that part is smaller, its display effect on AMOLED influence it is smaller, so AA of the prior art with
It is very limited to leave wiring space between inner ring for.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of AMOLED display screens and its wiring method, can optimize
The signal wire distribution of the image element circuit of AMOLED display screens, saves the space-consuming of signal wire, increases effective display area domain, improve
The display quality of AMOLED display screens with drilling.
To solve above technical problem, on the one hand, the embodiment of the present invention provides a kind of AMOLED display screens, from outside to inside according to
It is secondary including：Display screen outward flange, effective display area, wiring region, Frit encapsulation regions and the drilling in the middle part of AMOLED display screens
Region；
Image element circuit is distributed with the effective display area, for being shown to the information of AMOLED display screens；Per road institute
Image element circuit extraction multiple signals line is stated to be arranged on the different metal layer of the wiring region along default direction；It is described
The direction of routing of coplanar metal level in wiring region is identical, and the direction of routing of the metal level of antarafacial distinguishes, coplanar metal level
In each signal line between reserve specify Spacing；By insulator separation between each layer metal level in the wiring region, and respectively
The specified signal wire of layer metal level is electrically connected with by via；
The Frit encapsulation regions are arranged between the drilling region and the wiring region, for preventing the effectively display
The oxide etch of the luminescent device in area；
The drilling region, for installing the function element associated with the display information of the AMOLED display screens.
Preferably, the wiring region includes the first metal layer, second metal layer from bottom to top；Image element circuit described in per road draws
The multiple signals line gone out includes：Multi-strip scanning signal wire on the first metal layer is arranged in horizontal direction, with vertical side
To a plurality of data signal line and a plurality of power signal line being arranged in the second metal layer；The scan signal line, is used for
Scanning switch signal is connected for each sub-pixel in the image element circuit；The data signal line, for electric to the pixel
Road provides data voltage, the data signal specified with controlling transmission；The power signal line, for being provided to the image element circuit
Supply voltage.
Further, the 3rd metal level is additionally provided with the second metal layer；The power signal line passes through via
Guided from the second metal layer to the 3rd metal level, and connect between the effective display area and the Frit encapsulation regions
Into a whole circle.
Preferably, the via for guiding the power signal line is used between the second metal layer and the 3rd metal level
The intersection being arranged between the wiring region and the effective display area.
Further, the multiple signals line that image element circuit described in every road is drawn, in addition to：It is arranged in horizontal direction described
Restart Signal line, luminous signal line and initializing signal line on the first metal layer；The Restart Signal line, for described
The current operating state of AMOLED display screens is resetted；The luminous signal line, it is each in the image element circuit for controlling
Individual sub-pixel on or off, exports required displaying information on screen；The initializing signal line, for AMOLED display screens
Running parameter preset.
In a kind of achievable mode, pixel that the area occupied of the wiring region and the effective display area are pulled out
Quantity is directly proportional.
Preferably, the image element circuit is made up of multiple TFT thin film transistor (TFT)s and a storage capacitance.
In a kind of achievable mode, the effective display area, one in the wiring region and the Frit encapsulation regions
Individual or multiple regions are annular region.
In another achievable mode, the effective display area, in the wiring region and the Frit encapsulation regions
One or more regions are rectangular area.
On the other hand, the embodiment of the present invention additionally provides a kind of wiring method of AMOLED display screens, applied to take up an official post
AMOLED display screens described in one, methods described include：
Image element circuit between effective display area and Frit encapsulation regions is detached, forms wiring region；
More metal layers are built on the wiring region；
The image element circuit of effective display area is drawn into multiple signals line and is etched in the cloth respectively along default direction
On the different metal floor in line area；The direction of routing of coplanar metal level in the wiring region is identical, and the metal level of antarafacial is walked
Line direction distinguishes, and reserves and specifies Spacing between each signal line in coplanar metal level；
By insulator separation between each layer metal level in the wiring region, and the specified signal wire of each layer metal level passes through
Via is electrically connected with.
AMOLED display screens provided in an embodiment of the present invention, drilling region is provided with middle part, and in drilling region in effective
Viewing area is provided with Frit encapsulation regions and wiring region between (abbreviation AA areas), wherein, Frit encapsulation regions can be effectively isolated external water
Vapour, prevent steam from entering AA areas oxide etch luminescent device, meanwhile, partial pixel (Pixel) electricity is deleted or detached in AA areas
Road forms wiring region with headspace；The optimization layout of the signal wire of wiring region determines the AMOLED display screens with drilling
The area and display quality of effective display area domain, thus by the way that multiple signals line will be drawn per image element circuit described in road along default
Direction be arranged on the different metal layer of wiring region, and cause wiring region in coplanar metal level direction of routing phase
Together, the direction of routing of the metal level of antarafacial distinguishes, and to reduce area occupied of the signal wire in each layer of metal level, reduces each layer
Electromagnetic interference between signal wire；Reserve and specify Spacing between each signal line in coplanar metal level, it is each in the wiring region
By insulator separation between layer metal level, and the specified signal wire of each layer metal level is electrically connected with by via, to protect
Demonstrate,prove the optimization layout that signal wire is guided on the premise of signal wire is correctly connected.Implement technical scheme provided by the invention, Ke Yiyou
Effect saves the space-consuming of signal wire, the effective display area domain of AMOLED display screen of the increase with drilling, improves display quality.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of one embodiment of AMOLED display screens provided by the invention.
Fig. 2 is a kind of cross section signal of the partial circuit of embodiment of AMOLED display screens wiring region provided by the invention
Figure.
Fig. 3 a are a kind of schematic wiring diagrams of the first metal layer of AMOLED display screens wiring region provided by the invention；Fig. 3 b
It is the schematic wiring diagram of the local signal line for the first metal layer that Fig. 3 a are provided.
Fig. 4 a are a kind of schematic wiring diagrams of the second metal layer of AMOLED display screens wiring region provided by the invention；Fig. 4 b
It is the schematic wiring diagram of the local signal line for the second metal layer that Fig. 4 a are provided.
Fig. 5 a are another schematic wiring diagrams of the second metal layer of AMOLED display screens wiring region provided by the invention；Figure
5b is the schematic wiring diagram of the local signal line for the second metal layer that Fig. 5 a are provided.
Fig. 6 is a kind of schematic wiring diagram of the 3rd metal level of AMOLED display screens wiring region provided by the invention.
Fig. 7 is the step flow chart of one embodiment of the wiring method of AMOLED display screens provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is the overlooking the structure diagram of one embodiment of AMOLED display screens provided by the invention referring to Fig. 1.
Specifically, AMOLED display screens include successively from outside to inside：Display screen outward flange 1, effective display area 2, wiring region
3rd, Frit encapsulation regions 4 and the drilling region 5 in the middle part of AMOLED display screens.Wherein, each composition portion of AMOLED display screens
The shape divided can suitably be adjusted according to practical application.Preferably, as shown in figure 1, the effective display area (abbreviation
AA areas) 2, one or more of the wiring region 3 and the Frit encapsulation regions 4 region are annular region or rectangular area,
The shape of display screen outward flange 1 and the shape of effective display area 2 match.
Image element circuit (not shown in figure 1) is distributed with the effective display area 2, for entering to the information of AMOLED display screens
Row display；Image element circuit draws multiple signals line and is arranged in the wiring region 3 not along default direction described in per road
With on metal level；The direction of routing of coplanar metal level in the wiring region 3 is identical, the direction of routing phase of the metal level of antarafacial
Distinguish, reserve and specify Spacing between each signal line in coplanar metal level；Pass through in the wiring region 3 between each layer metal level
Insulator separation, and the specified signal wire of each layer metal level is electrically connected with by via；The Frit encapsulation regions 4 are arranged on
Between the drilling region 5 and the wiring region 3, the oxide etch of the luminescent device for preventing the effective display area 2；Tool
When body is implemented, Frit encapsulation regions 4 can use glass dust to realize encapsulation, and isolation external moisture enters the oxide etch of effective display area 2
Luminescent device.The drilling region 5, for installing the function element associated with the display information of the AMOLED display screens.
Referring to Fig. 2, be a kind of embodiment of AMOLED display screens wiring region provided by the invention partial circuit it is transversal
Face schematic diagram.
The wiring region includes the first metal layer 01 (01A, 01B in such as Fig. 2), second metal layer 03 (such as from bottom to top
03A, 03B in Fig. 2)；Wherein, the first metal layer 01 is preferably realized using metal molybdenum Mo, in the partial circuit shown in Fig. 2, the
One metal level 01 includes coplanar metal level 01A, 01B separated by a distance；Second metal layer 03 is preferably using Titanium, aluminium group
Compound (Ti/Al/Ti), part second metal layer 03A and 03B shown in Fig. 2；The first metal layer 01A, 01B and second metal layer
The first insulating barrier 02 is provided between 03A, 03B, the second insulation is provided between second metal layer 03A, 03B and the 3rd metal level 05
Layer 04A and 04B, is provided with via 41 between second metal layer and the 3rd metal level.
In the present embodiment, the multiple signals line that image element circuit described in every road is drawn includes：Institute is arranged in horizontal direction
State the multi-strip scanning signal wire SCAN on the first metal layer 01, be arranged in vertical direction it is a plurality of in the second metal layer 03
Data signal line Vdata and a plurality of power signal line ELVDD；The scan signal line SCAN, for in the image element circuit
Each sub-pixel connection scanning switch signal；The data signal line Vdata, for providing data electricity to the image element circuit
Pressure, the data signal specified with controlling transmission；The power signal line ELVDD, for providing power supply electricity to the image element circuit
Pressure.
It is AMOLED display screens wiring region provided by the invention referring to Fig. 3 a by taking the AMOLED display screens of circle as an example
A kind of schematic wiring diagram of the first metal layer.Component 21 shown in Fig. 3 a is pixel (Pixel) circuit, and component 31 shown in figure is
The signal wire that image element circuit 21 is arranged in the horizontal direction, region 4 is Frit encapsulation regions in Fig. 3 a.Fig. 3 b are first shown in Fig. 3 a
The schematic wiring diagram of the local signal line of metal level, as shown in Figure 3 b, the cabling restricted clearance in horizontal direction is in wiring region 3b
Two regions up and down.
When it is implemented, the multiple signals line that image element circuit 21 described in per road is drawn also includes：It is arranged in horizontal direction
Restart Signal line RESET, luminous signal line EM and initializing signal line Vinit on the first metal layer 01；Wherein, it is described
Restart Signal line RESET, for being resetted to the current operating state of the AMOLED display screens；The luminous signal line
EM, for controlling each sub-pixel on or off in the image element circuit, export required displaying information on screen；It is described first
Beginningization signal wire Vinit, for being preset to the running parameter of AMOLED display screens.
The signal wire 21 arranged in the horizontal direction shown in Fig. 3 b includes scan signal line SCAN, Restart Signal line
RESET, luminous signal line EM and initializing signal line Vinit, thus need headspace a.The AA areas 2 and Frit are being set
During cabling space (i.e. wiring region 3) between encapsulation region 4, it is assumed that the image element circuit 21 that AA areas 2 delete or detached is 2n (n ＞
0) road, the cabling of the corresponding horizontal direction of Ze Mei roads image element circuit 21 for 4 (i.e.：Scan signal line SCAN, Restart Signal line
RESET, luminous signal line EM and initializing signal line Vinit), then AMOLED display screens provided by the invention are in the horizontal direction
Shared 8n root cablings, the both sides up and down of the external diameter of Frit encapsulation regions 4 are respectively distributed 4n root signal wires.When the line width of every signal line is 3 μ
M (micron), the spacing of adjacent signal wire is also 3 μm, then headspace a between the upper and lower sides of AA areas 2 to inner ring Frit encapsulation regions 4
Minimum air line distance be 4n*6 μm, the limiting factor using this as the area occupied of the first metal layer 01 of wiring region 3.Initialization
The signal that signal wire Vinit is provided is preferably low voltage signal, and data signal line Vdata is mainly inside AMOLED display screens
The data voltage that integrated circuit (IC) provides, power signal line ELVDD are the supply voltage that IC is provided.
Wiring region 3 is mainly power signal line ELVDD, data signal line in the cabling of the vertical direction of second metal layer 03
Vdata cablings.In the present embodiment, it is made up of per road image element circuit three way pixel (SubPixel) circuits, then vertical direction
Shared 12n root signal wires, the left and right sides signal wire of the external diameter of Frit encapsulation regions 4 is respectively 6n bars.It is offer of the present invention referring to Fig. 4 a
AMOLED display screens wiring region second metal layer a kind of schematic wiring diagram.Assuming that the line width per signal line is 3 μm, line
The spacing of adjacent signal wire is also 3 μm, then the air line distance between the left and right sides of AA areas 2 to inner ring Frit encapsulation regions 4 is minimum
6n*6μm.Fig. 4 b show the local signal line schematic wiring diagram in Fig. 4 a, wherein, shown image element circuit 21 is in vertical direction
Signal wire 32 includes power signal line ELVDD, data signal line Vdata, and vertical direction cabling space is limited to second metal layer
03 left and right sides region.If a diameter of 5mm of external diameter (millimeter) that AA areas 2 hollow out, the size (Size) of pixel is 80 μm of * 80 μ
M, in the vertical direction are pulled out or deleted 62 Pixel, are pulled out or delete in the horizontal direction 62 Pixel, then
It is 744 μm that AMOLED display screens wiring region, which needs headspace in the both sides up and down of second metal layer 03, and is then needed in the left and right sides
Headspace is 1116 μm, therefore AA viewing areas take higher value in both away from the distance between inner ring Frit, i.e., need to reserve about
1.2mm distance is as wiring region 3.Obviously, the signal wire from the left and right sides of the second metal layer shown in Fig. 4 b is more, thus
Determine that the area occupied of wiring region 3 also accordingly increases, headspace b is also larger needed for wiring region 3.
It is that another wiring of the second metal layer of AMOLED display screens wiring region provided by the invention is illustrated referring to Fig. 5 a
Figure；Fig. 5 b are the local wiring schematic diagrames for the second metal layer that Fig. 5 a are provided.When it is implemented, on the second metal layer 03
It is additionally provided with the 3rd metal level 05；The power signal line ELVDD is guided to institute by via 41 from the second metal layer 03
The 3rd metal level 05 is stated, and is linked to be a whole circle between the effective display area 2 and the Frit encapsulation regions 4.By Fig. 4 b institutes
Show that the signal wire 32 on the vertical direction of the second metal layer 03 of wiring region 3 isolates power signal line ELVDD, thus on Fig. 5 b
Second metal layer 03 vertical direction on signal wire 33 only include data signal line Vdata, and power signal line ELVDD leads to
Via 41 changes layer to the signal wire 34 of the 3rd metal level 05, and compared with Fig. 4 a embodiments, Fig. 5 a cabling scenario can have
Effect reduces the required cabling space of second metal layer 03, pre- needed for wiring region 3 so as to reduce the horizontal area occupied of wiring region 3
Spacing c is obviously reduced with respect to the headspace in Fig. 4 b.Preferably, the second metal layer 03 and the 3rd metal level 05
Between be used for guide the via 41 of the power signal line ELVDD to be arranged between the wiring region 3 and the effective display area 2
Intersection.
It is a kind of schematic wiring diagram of the 3rd metal level of AMOLED display screens wiring region provided by the invention referring to Fig. 6.
Power signal line 34, which is distributed between AA areas 2 and inner ring Frit encapsulation regions 4, is linked to be a whole circle, and AA areas 2 hollow out the pixel electricity on periphery
The ELVDD signals on road 21 are connected to the signal wire 34 of the 3rd metal level 05 by punching respectively, so as to reduce same metal covering
(second metal layer) is in the cabling of vertical direction, saving space.Specifically, by power signal line ELVDD close to the part of AA areas 2
By punching guiding to the 3rd metal level 05, and the 3rd metal level 05 be linked to be between AA areas 2 and inner ring Frit encapsulation regions 4 it is whole
Circle, the ELVDD signal wires for the image element circuit up and down that AA areas 2 are hollowed out all pass through the signal wire 34 of the metal level 05 of via 41 and the 3rd
Connection, then AA areas 2 can be decreased to 560 μm away from left and right directions headspace between inner ring Frit encapsulation regions 4, with the first metal layer
01st, second metal layer 03 is compared, and takes limiting factor of the higher value as wiring region 3, then in the present embodiment AA areas 2 away from interior
Reserved 0.8mm or so is needed between circle Frit encapsulation regions 4.
It should be noted that the trend of the signal wire 31 of the first metal layer 01 of wiring region 3 includes but is not limited to level side
To similarly, the trend of the signal wire 32 or 33 of second metal layer 03 includes but is not limited to vertical direction, the letter of the 3rd metal level 05
The trend of number line 34 includes but is not limited to be linked to be a whole circle around Frit encapsulation regions 4, and those skilled in the art can be according to pixel
Layout the trend of signal wire is configured, to cause the cabling scenario of wiring region 3 more excellent, area occupied is smaller, simultaneously to the greatest extent
The electromagnetic interference or signal cross-talk between each signal line in each layer antarafacial metal level or coplanar metal level may be reduced.
When it is implemented, the pixel quantity that the area occupied of the wiring region 3 is pulled out with the effective display area 2 is into just
Than the signal wire quantity of wiring region 3 is relevant with the quantity for being deleted or detaching the image element circuit 21 dug up, generally deleted picture
Prime number amount is more, and the signal wire quantity of wiring region 3 is more；And the internal diameter of effective display area 2 and the area positive of the wiring region 3
Close, i.e., it is relevant to hollow out internal diameter diameter with AA areas 2 for the distance between AA areas 2 and inner ring Frit encapsulation regions 4.In practice, AA areas 2 hollow out
Internal diameter diameter is smaller, it is necessary to which the Pixel quantity deleted is fewer, and 3 corresponding signal wire of wiring region is also reduced, and AA areas 2 effectively show
Show that region increases.
In the present embodiment, it is made up of respectively multiple TFT thin film transistor (TFT)s and a storage capacitance per road image element circuit 21,
Such as the image element circuit of 6T1C or 7T1C structures.Wherein 6T1C image element circuits include 6 TFT thin film transistor (TFT)s and a storage electricity
Hold, and 7T1C image element circuits include 7 TFT thin film transistor (TFT)s and a storage capacitance, to drive the normal of AMOLED display screens
Display.
In order that second metal layer 03 be connected with the 3rd metal level 05, it is necessary to by second metal layer 03 with three metal levels
The insulating barrier of overlapping regions between 05 is fallen by punching exposure, so as to by via 41 make double layer of metal directly overlap to be formed it is logical
Road.
Correspondingly, the embodiment of the present invention additionally provides a kind of wiring method of AMOLED display screens, applied to any of the above
AMOLED display screens described in,
As shown in fig. 7, it is the step flow of one embodiment of the wiring method of AMOLED display screens provided by the invention
Figure, specifically, methods described includes：
Step S1：Image element circuit between effective display area 2 and Frit encapsulation regions 4 is detached, forms wiring region 3；
Step S2：More metal layers are built on the wiring region 3；
Step S3：The image element circuit of effective display area 2 is drawn into multiple signals line to etch respectively along default direction
On the different metal layer of the wiring region 3；Wherein, the direction of routing of the coplanar metal level in the wiring region 3 is identical, different
The direction of routing of the metal level in face distinguishes, and reserves and specifies Spacing between each signal line in coplanar metal level；
Step S4：By insulator separation between each layer metal level in the wiring region 3, and the specified letter of each layer metal level
Number line is electrically connected with by via.
AMOLED display screens and its wiring method provided in an embodiment of the present invention, drilling region is provided with middle part, and bored
Bore region is provided with Frit encapsulation regions and wiring region between effective display area (abbreviation AA areas), wherein, Frit encapsulation regions can have
Effect isolation external moisture, prevents steam from entering AA areas oxide etch luminescent device, meanwhile, delete or detached part picture in AA areas
Plain (Pixel) circuit forms wiring region with headspace；The optimization layout of the signal wire of wiring region is determined with drilling
The area and display quality of the effective display area domain of AMOLED display screens, thus by the way that multichannel will be drawn per image element circuit described in road
Signal wire is arranged on the different metal layer of wiring region along default direction, and causes the coplanar metal in wiring region
The direction of routing of layer is identical, and the direction of routing of the metal level of antarafacial distinguishes, to reduce signal wire accounting in each layer of metal level
With area, the electromagnetic interference between each layer signal line is reduced；Reserve and specify Spacing between each signal line in coplanar metal level,
By insulator separation between each layer metal level in the wiring region, and the specified signal wire of each layer metal level is carried out by via
It is electrically connected with, to ensure that signal wire guides the optimization of signal wire to be laid out on the premise of being correctly connected.Implement skill provided by the invention
Art scheme, the space-consuming of signal wire can be effectively saved, increase carries the effective display area domain of the AMOLED display screens of drilling,
Improve display quality.
It should be noted that the term and word that are used in above description and claim are not limited to literal meaning, and
Be only by inventor be used for it is clear, as one man understand the disclosure.Therefore, it will be apparent to those skilled in the art that to the disclosure
The description of various embodiments for illustration purposes only, rather than limits this public affairs being defined by the appended claims and the equivalents thereof
Open.
It should be understood that unless explicitly pointed out in text, otherwise " one " of singulative, "one" and " described " include plural shape
Formula.Thus, for example, the reference of " assembly surface " includes the reference to one or more this surfaces.
The actual 〃 of term 〃 mean that described feature, parameter or value need not be realized accurately, but can be quantitatively
Occur inclined including such as tolerance, measurement error, measurement accuracy limitation and other factors well known by persons skilled in the art
The effect that difference or change, the deviation or change are expected to provide without prejudice to this feature.
Term " comprising " used herein, "comprising" represent the presence of disclosed corresponding function, operation, element etc., and
Other one or more more multi-functional, operations, element etc. are not limited.Said in addition, term " comprising " or "comprising" represent to exist
Individual features, number, step, operation, element, components or groups thereof disclosed in bright book, and be not precluded from existing or add one
Other individual or multiple features, number, step, operation, element, components or groups thereof.
Although such as the term of " first " and " second " can modify the various elements of the various embodiments of the disclosure, these
Term does not limit corresponding element.For example, these terms do not limit the order and/or importance of respective element.These terms can
For distinguishing an element and another element.For example, the first user equipment and second user equipment are all user equipmenies, but it
Indicate different user equipmenies.For example, without departing from the scope of the disclosure, the first element can be named as
Two element, and similarly, the second element can be named as the first element.
When element (for example, first element) " being connected to " or " and ... (operatively or communicatedly) coupling/(operatively
Or communicatedly) be couple to " another element (for example, second element) when, the first element can be directly connected or coupled to second yuan
Part, and can have intermediary element (for example, third element) between the first member and the second member.On the contrary, work as element (example
Such as, the first element) " being directly connected to " or " being directly coupled to " another element (for example, second element) when, in the first element and
There is no intermediary element (for example, third element) between two element.
Statement " being configured to (or being arranged to) " used herein can according to circumstances with " being suitable for ", " ability that has ...,
" being designed as ", " being suitable to ", " being fabricated to " or " can " exchange.Term " be configured to and (be arranged to) " may not necessarily be represented in hardware side
Face " is specially designed for ".On the contrary, statement " device being configured to ... " can represent that the device is together with other in some cases
Equipment or part " can ... ".For example, " processor for being configured to and (being arranged to) perform A, B and C " can be performed for correspondingly
The application specific processor (for example, embeded processor) of operation or to be stored in one or more of storage device soft by performing
Part program performs the general processor of respective operations (for example, CPU (CPU) or application processor (AP)).
Term used herein is only used for describing disclosure specific embodiment, rather than in order to limit the disclosure.In addition, remove
Explicitly pointed out in non-text, otherwise terminology used here (including technical term and scientific and technical terminology) should be interpreted as having and this public affairs
Open the identical meanings that person of an ordinary skill in the technical field is generally understood, and should not be construed as have preferably or
The implication of overly formal.
Can be applied in various electronic equipments according to the AMOLED of the various embodiments of the disclosure, can include it is following in extremely
It is few one：It is smart phone, tablet personal computer (PC), mobile phone, visual telephone, E-book reader, Desktop PC, above-knee
Type PC, netbook computer, work station, server, personal digital assistant (PDA), portable media player (PMP), fortune
Animation face expert group's stage 1 or stage 2 (MPEG-1 or MPEG-2) audio layer 3 (MP3) player, ambulatory medical device, shooting
Machine or wearable device.Wherein, wearable device includes but is not limited to headset equipment, electronic glasses, electronics clothes, electronic hand
Ring, electronics necklace, electronics accessories, electronics are tatooed, Intelligent mirror, intelligent watch etc..
Electronic equipment can also be intelligent home equipment.For example, intelligent home equipment can include it is following at least one
It is individual：TV (TV), digital video disc (DVD) player, audio frequency apparatus, refrigerator, air-conditioning, vacuum cleaner, baking box, micro-wave oven,
Washing machine, air purifier, set top box, family's automatic control panel, security control panel, TV boxes are (for example, Samsung
HomeSync, Apple TV or Google TV), game console (for example, Xbox and PlayStation), electronic dictionary, electricity
Sub- key, video camera and digital photo frame etc..
Electronic equipment can also include at least one of the following:Medical Devices are (for example, portable medical instrument is (for example, blood
Glucose monitor instrument, rhythm of the heart meter, blood pressure monitoring device, thermometer etc.), magnetic resonance radiography (MRA) machine, magnetic resonance imaging (MRI)
Machine, computerized tomography (CT) scanner, ultrasonic device etc.), navigation system, global positioning system (GPS) receiver, event data
Logger (EDR), flight data recorder (FDR), vehicular amusement apparatus, electronic building brick peculiar to vessel are (for example, navigation arrangement peculiar to vessel
And/or compass), air equipment, safety means, vehicle head unit, industry or domestic robot, ATM (ATM), retail
Shop POS terminal or internet of things equipment are (for example, bulb, various sensors, electronic instrument, gas meter, flow meter, sprinkler, fire alarm report
Alert device, self-operated thermostatic controller, street lamp, bread baker, sports equipment, hot-water bottle, heater, boiler etc.).
Electronic equipment can also include at least one in the following：A part for furniture or building/structure, electronic bulletin
Plate, electronic signature receiving device, projecting apparatus and a variety of measurement devices (for example, water meter, ammeter, gas meter or survey wave table etc.).This
Outside, electronic equipment can be one or more combinations in the said equipment.
In addition, those skilled in the art should understand：Electronic equipment is not limited to the said equipment.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of AMOLED display screens, it is characterised in that include successively from outside to inside：Display screen outward flange, effective display area, cloth
Line area, Frit encapsulation regions and the drilling region in the middle part of AMOLED display screens；
Image element circuit is distributed with the effective display area, for being shown to the information of AMOLED display screens；Picture described in per road
Plain circuit is drawn multiple signals line and is arranged in along default direction on the different metal layer of the wiring region；The wiring
The direction of routing of coplanar metal level in area is identical, and the direction of routing of the metal level of antarafacial distinguishes, in coplanar metal level
Reserve and specify Spacing between each signal line；By insulator separation between each layer metal level in the wiring region, and each layer is golden
The specified signal wire of category layer is electrically connected with by via；
The Frit encapsulation regions are arranged between the drilling region and the wiring region, for preventing the effective display area
The oxide etch of luminescent device；
The drilling region, for installing the function element associated with the display information of the AMOLED display screens.
2. AMOLED display screens as claimed in claim 1, it is characterised in that the wiring region includes the first metal from bottom to top
Layer, second metal layer；
The multiple signals line that image element circuit described in per road is drawn includes：It is arranged in horizontal direction more on the first metal layer
Bar scan signal line, a plurality of data signal line and a plurality of power supply signal being arranged in vertical direction in the second metal layer
Line；
The scan signal line, for connecting scanning switch signal for each sub-pixel in the image element circuit；
The data signal line, for providing data voltage, the data signal specified with controlling transmission to the image element circuit；
The power signal line, for providing supply voltage to the image element circuit.
3. AMOLED display screens as claimed in claim 2, it is characterised in that the 3rd gold medal is additionally provided with the second metal layer
Belong to layer；
The power signal line is guided to the 3rd metal level by via from the second metal layer, and described effectively aobvious
Show and be linked to be a whole circle between area and the Frit encapsulation regions.
4. AMOLED display screens as claimed in claim 3, it is characterised in that the second metal layer and the 3rd metal level it
Between be used to guide the via of the power signal line to be arranged on intersection between the wiring region and the effective display area.
5. AMOLED display screens as claimed in claim 2, it is characterised in that the multiple signals that image element circuit described in per road is drawn
Line, in addition to：Restart Signal line, luminous signal line and the initializing signal being arranged in horizontal direction on the first metal layer
Line；
The Restart Signal line, for being resetted to the current operating state of the AMOLED display screens；
The luminous signal line, for controlling each sub-pixel on or off in the image element circuit, export required screen
Curtain display information；
The initializing signal line, for being preset to the running parameter of AMOLED display screens.
6. AMOLED display screens as claimed in claim 1, it is characterised in that the area occupied of the wiring region effectively shows with described
Show that the pixel quantity that area is pulled out is directly proportional.
7. AMOLED display screens as claimed in claim 1, it is characterised in that the image element circuit is by multiple TFT thin film transistor (TFT)s
Formed with a storage capacitance.
8. AMOLED display screens as claimed in claim 1, it is characterised in that the effective display area, the wiring region and described
One or more of Frit encapsulation regions region is annular region.
9. AMOLED display screens as claimed in claim 1, it is characterised in that the effective display area, the wiring region and described
One or more of Frit encapsulation regions region is rectangular area.
10. a kind of wiring method of AMOLED display screens, it is characterised in that applied to as described in any one of claim 1~9
AMOLED display screens, methods described include：
Image element circuit between effective display area and Frit encapsulation regions is detached, forms wiring region；
More metal layers are built on the wiring region；
The image element circuit of effective display area is drawn into multiple signals line and is etched in the wiring region respectively along default direction
Different metal layer on；The direction of routing of coplanar metal level in the wiring region is identical, the cabling side of the metal level of antarafacial
To distinguishing, reserve and specify Spacing between each signal line in coplanar metal level；
By insulator separation between each layer metal level in the wiring region, and the specified signal wire of each layer metal level passes through via
It is electrically connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792221.0A CN107689196A (en) | 2017-09-05 | 2017-09-05 | A kind of AMOLED display screens and its wiring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792221.0A CN107689196A (en) | 2017-09-05 | 2017-09-05 | A kind of AMOLED display screens and its wiring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107689196A true CN107689196A (en) | 2018-02-13 |
Family
ID=61156055
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|---|---|---|---|
| CN201710792221.0A Pending CN107689196A (en) | 2017-09-05 | 2017-09-05 | A kind of AMOLED display screens and its wiring method |
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