CN109599498A - Display panel and vapor deposition mask plate - Google Patents
Display panel and vapor deposition mask plate Download PDFInfo
- Publication number
- CN109599498A CN109599498A CN201710922924.0A CN201710922924A CN109599498A CN 109599498 A CN109599498 A CN 109599498A CN 201710922924 A CN201710922924 A CN 201710922924A CN 109599498 A CN109599498 A CN 109599498A
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- China
- Prior art keywords
- pattern
- area
- display panel
- cathode
- thread
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/822—Cathodes characterised by their shape
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
Abstract
The present invention relates to a kind of display panel and deposition mask version, the second areas being arranged with first area and the first area periphery, which is characterized in that the thread-changing layer and cathode that the second area has power supply line, is made of inorganic non-metallic material；The thread-changing layer has the third pattern for keeping the power supply line exposed, and the pattern of the cathode is located in the third pattern and overlaps with the power supply line；It further include encapsulation cover plate and encapsulation glue-line, the encapsulation glue-line bonding covers at least partly described thread-changing layer and the cathode, and bonds the encapsulation cover plate.The solution of the present invention is advantageously implemented narrow frame and full screen display.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of vapor deposition mask plate, display panel and its manufacturing method.
Background technique
Flat-panel display device has many merits such as thin fuselage, power saving, radiationless, is widely used.It is existing
Flat-panel display device mainly includes active matrix organic light emitting diode (Active-matrix organic light
Emitting diode, AMOLED) and organic elctroluminescent device (Organic Light Emitting Display,
OLED).The production of flat-panel display device is related to that the process of Thinfilm pattern is formed on the substrate.With display technology and semiconductor
The development of technology needs one kind can will be high to adapt to the requirement of high-resolution, high pixel density (Pixel Per Inch)
Resolution ratio pattern deposition or the vapor deposition mask plate for being transferred to substrate.
With the development of science and technology the development of display panel is increasingly intended to narrow frame design.However, traditional display surface
Plate using frit (frit) encapsulation when be limited to cutting accuracy, frit coating width, position precision, cathode lap width or
The influence etc. of person's FMM mask dummy width, frame size is still larger.
Summary of the invention
Based on this, it is necessary to aiming at the problem that how to reduce the frame size of display panel, provide one kind can reduce it is aobvious
Show vapor deposition mask plate, display panel and its manufacturing method of panel border size.
A kind of display panel, with the second area that first area and the first area periphery are arranged, secondth area
Domain has power supply line, thread-changing layer and cathode；The thread-changing layer has the third pattern for keeping the power supply line exposed, the cathode
Pattern is located in the third pattern and overlaps with the power supply line；It further include encapsulation cover plate and encapsulation glue-line, the packaging plastic
Layer bonding covers at least partly described thread-changing layer and the cathode, and bonds the encapsulation cover plate.
An embodiment according to the present invention, the third pattern account for the 10-15% of second pattern area.
An embodiment according to the present invention, the third pattern are made of several patch patterns.
An embodiment according to the present invention, the patch pattern are vortex lines.
An embodiment according to the present invention, the patch pattern are monomer pattern array, the monomer of the monomer pattern array
For round, and/or bar shaped, and/or rectangle.
An embodiment according to the present invention, the patch pattern are arranged along the length direction of the second area.
An embodiment according to the present invention, the thread-changing layer include at least planarization layer, active layer, interlayer insulating film and light and take
One of layer out.
Another embodiment according to the present invention also provides a kind of Vapor deposition mask plate, is used to form the cathode of above-mentioned third pattern,
Including several pattern units, each pattern unit includes:
First pattern, is used to form display area；
And second pattern, it is arranged around first pattern, is used to form cathode overlap；
Wherein, first pattern is connected with second pattern；Second pattern and the third pattern phase
Match.
An embodiment according to the present invention, the area of second pattern account for the area of the second area 10%~
15%.
Detailed description of the invention
Fig. 1 is the schematic diagram of the vapor deposition mask plate of an embodiment；
Fig. 2 is the schematic diagram of the pattern unit of an embodiment；
Fig. 3 is the left side enlarged diagram of pattern unit in Fig. 2；
Fig. 4 is the diagrammatic cross-section of cathode site in the second area of the display panel of an embodiment；
Fig. 5 is the diagrammatic cross-section of non-cathode site in the second area of the display panel of an embodiment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
The present embodiment provides a kind of display panels, and referring to Fig. 1-5, which has first area and firstth area
The overseas second area for enclosing setting, first area are display area, and second area is non-display area, are had in second area
The packaging area of the overlapping regions and display panel of cathode 230 and anode.Packaging area has power supply line, 210 and cathode
230；210 are retained by the inorganic non-metallic film layer formed in OLED device preparation process and are formed, in one embodiment, 210
It is planarization layer, active layer, interlayer insulating film and light removing layer.The third for keeping power supply line exposed is formed on 210 through over etching
Pattern, cathode 230 are deposited in third pattern to form overlap joint conducting with power supply line.Encapsulate the bonding covering of glue-line 220
Part described 210 and the cathode 230, and encapsulation cover plate is bonded, to form encapsulating structure.Since described 210 with third
Pattern, it is thus possible to so that cathode 230 and power supply line is completed that overlapped by third pattern at the same time it can also retain 210, and 210
It is made of inorganic non-metallic material, is suitable for and encapsulates the bonding of glue-line 220 to form sealing, so the display panel of the present embodiment can
Enough form effective 230 overlapping regions of cathode, additionally it is possible to form effective encapsulating structure.In the display panel of the present embodiment, change
Line area and encapsulation glue-line 220 directly contact, and do not include buffer area or transitional region between the two, it is thus possible to significant constriction
The frame of display panel is conducive to the display area accounting for improving display panel, is advantageously implemented full screen display.
In one embodiment, with reference to Fig. 2, to ensure that there is suitable overlapping area between cathode 230 and power supply line, work as overlap joint
Resistance increases when area deficiency, and the display effect of display panel is poor.In general the third pattern area accounting that accounts for the second pattern
Smaller, the frame of display panel can theoretically be done narrower, in order to make the display effect of display panel be unlikely to deteriorate, simultaneously
Realize the purpose of narrow frame, the area that third pattern accounts for the second pattern in the present embodiment should be not less than 10%, and such as area accounts for
Than being 11%, 12%, 13%, 14%, 15%.
With reference to Fig. 1, third pattern is made of several patch patterns, and these patch patterns are along the length of display panel
Direction is arranged in the one or both sides of display panel.
In one embodiment, with reference to Fig. 2, third pattern can be the vortex lines form of rectangle, the vortex lines tool of the rectangle
There is one fixed width, and radius varitation is identical weekly.In the third pattern of vortex lines form, cathode 230 and 210 is arranged alternately,
Encapsulation glue-line 220 can form good sealing on cathode 230 and 210.
In one embodiment, the patch pattern is monomer pattern array, and the monomer pattern is circle, and the array is
Matrix, this arrangement mode also can be realized the overlapping setting of cathode 230 and 210, help to encapsulate glue-line 220 in 230 He of cathode
Good sealing can be formed on 210.
In a kind of embodiment of replacement, array can be circular array, special-shaped array, need to meet and allow 230 He of cathode
210 overlapping settings can the purpose of the present invention.
In a kind of embodiment of replacement, monomer pattern is round, rectangle or the two in identical or different block
Middle combined use.
In one embodiment, 210 be one or more layers in planarization layer, active layer, interlayer insulating film and light removing layer,
Planarization layer, active layer, interlayer insulating film and light removing layer are inorganic non-metallic film layer, it is not easy to be overlapped by cathode 230 logical
Electricity generates the influence of heat, to form good sealing structure with encapsulation glue-line 220.
In one embodiment, 210 preparation process is: flat by depositing in display panel preparation process in second area
Change layer, active layer, interlayer insulating film and light removing layer to be retained, and after organic non-metal film layer and metallic diaphragm all remove
It is formed.Cathode 230 by deposition be formed on 210 and third pattern in, then by patterning form third pattern, to make
210 it is exposed with encapsulation glue-line 220 be in contact.
In addition, referring to Figure 1~Fig. 3, the vapor deposition mask plate 100 of an embodiment includes several pattern units 110.Often
A pattern unit 110 includes the first pattern 120 and the second pattern 130.
Wherein, the first pattern 110 is used to form the cathode 230 of effective display area domain first area on display panel.Wherein,
Second pattern 130 is arranged around the first pattern 120, is used to form the cathode 230 of display panel top frame region second area.
Wherein, the second pattern 130 is connected with the first pattern 120, and the area of the second pattern 130 accounts for frame region second
The 10%~15% of the area in region.
In present embodiment, the second pattern 130 be can have any shape.When with frame region in traditional display panel
When the cathode 230 and 210 in two regions overlaps same area, vapor deposition mask plate through the invention can be by the side of display panel
Frame do it is narrow, to reduce the frame size of display panel.
On the basis of aforementioned embodiments, the second pattern 130 includes several second sub-patterns 131, frame region the
Two regions include orthogonal first direction and second direction, identical as X-direction in Fig. 2 and Y-direction respectively.Wherein, it drives
IC is located on first direction, several second sub-patterns are spaced setting in a second direction, as shown in Figure 2.
Wherein, sub- frame phase of the region of 120 lower section of the first pattern where with the driving side IC of display panel is located in Fig. 2
It is corresponding.Several second sub-patterns 131 are spaced to setting in a second direction, the frame of this part can be done it is narrow, to reduce
The size of the left and right side frame of display panel.
On the basis of aforementioned embodiments, several spaced second sub-patterns 131 are different in a second direction.
Specifically, as shown in figure 3, the hollowed out area on pattern unit 110 is pattern.Second sub-pattern 131 can be any one in Fig. 3
Kind pattern.
In addition, several spaced second sub-patterns 131 are not connected to directly in a second direction in present embodiment.
Certainly, in other embodiments, also will can directly connect with several spaced second sub-patterns 131 in a second direction
It is logical.
In above-mentioned vapor deposition mask plate, the second pattern of each pattern unit is connected with the first pattern, to guarantee rim area
The cathode 230 of domain second area is connected with the cathode 230 of effective display area domain first area.Further, since the second pattern
Area accounts for the 10%~15% of the area of frame region second area, therefore, when with frame region in traditional display panel
When the cathode 230 and 210 in two regions overlaps same area, vapor deposition mask plate of the invention frame can be done it is narrow, to subtract
The small frame size of display panel.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of display panel, the second area being arranged with first area and the first area periphery, which is characterized in that institute
Second area is stated with power supply line, the thread-changing layer and cathode that are made of inorganic non-metallic material；The thread-changing layer is described with making
The exposed third pattern of power supply line, the pattern of the cathode are located in the third pattern and overlap with the power supply line；Also wrap
Encapsulation cover plate and encapsulation glue-line are included, the encapsulation glue-line bonding covers at least partly described thread-changing layer and the cathode, and
Bond the encapsulation cover plate.
2. display panel according to claim 1, it is characterised in that: the third pattern accounts for second pattern area
10-15%.
3. display panel according to claim 1 or 2, it is characterised in that: the third pattern is by several patch patterns
It constitutes.
4. display panel according to claim 3, it is characterised in that: the patch pattern is vortex lines.
5. display panel according to claim 3, it is characterised in that: the patch pattern is monomer pattern array, described
Monomer pattern is round and/or rectangle.
6. display panel according to claim 3, it is characterised in that: length of the patch pattern along the second area
Direction arrangement.
7. display panel according to claim 1, it is characterised in that: the thread-changing layer includes at least planarization layer, active
One of layer, interlayer insulating film and light removing layer.
8. a kind of vapor deposition mask plate is used to form the cathode of any of claims 1-7 for forming third pattern, special
Sign is, including several pattern units, and each pattern unit includes:
First pattern, is used to form display area；
And second pattern, it is arranged around first pattern, is used to form cathode overlap；
Wherein, first pattern is connected with second pattern；Second pattern and the third pattern match.
9. Vapor deposition mask plate according to claim 8, it is characterised in that: the area of second pattern accounts for secondth area
The 10%~15% of the area in domain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922924.0A CN109599498B (en) | 2017-09-30 | 2017-09-30 | Display panel and evaporation mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922924.0A CN109599498B (en) | 2017-09-30 | 2017-09-30 | Display panel and evaporation mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109599498A true CN109599498A (en) | 2019-04-09 |
| CN109599498B CN109599498B (en) | 2020-11-17 |
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ID=65955990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710922924.0A Active CN109599498B (en) | 2017-09-30 | 2017-09-30 | Display panel and evaporation mask |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658985A (en) * | 2019-06-27 | 2021-11-16 | 武汉天马微电子有限公司 | Display panel and display device |
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| US20100253215A1 (en) * | 2009-04-01 | 2010-10-07 | Seiko Epson Corporation | Organic electroluminescence device |
| CN102222684A (en) * | 2011-06-30 | 2011-10-19 | 信利半导体有限公司 | Organic electroluminescent display and manufacture method thereof |
| CN104576685A (en) * | 2013-10-29 | 2015-04-29 | 三星显示有限公司 | Organic light emitting display apparatuses and methods of manufacturing the organic light emitting display apparatuses |
| CN105845712A (en) * | 2016-05-19 | 2016-08-10 | 上海天马有机发光显示技术有限公司 | Display panel and manufacture method thereof |
| CN105870159A (en) * | 2016-06-07 | 2016-08-17 | 京东方科技集团股份有限公司 | Organic light-emitting diode display panel, display device and manufacturing method |
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2017
- 2017-09-30 CN CN201710922924.0A patent/CN109599498B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100253215A1 (en) * | 2009-04-01 | 2010-10-07 | Seiko Epson Corporation | Organic electroluminescence device |
| CN102222684A (en) * | 2011-06-30 | 2011-10-19 | 信利半导体有限公司 | Organic electroluminescent display and manufacture method thereof |
| CN104576685A (en) * | 2013-10-29 | 2015-04-29 | 三星显示有限公司 | Organic light emitting display apparatuses and methods of manufacturing the organic light emitting display apparatuses |
| CN105845712A (en) * | 2016-05-19 | 2016-08-10 | 上海天马有机发光显示技术有限公司 | Display panel and manufacture method thereof |
| CN105870159A (en) * | 2016-06-07 | 2016-08-17 | 京东方科技集团股份有限公司 | Organic light-emitting diode display panel, display device and manufacturing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658985A (en) * | 2019-06-27 | 2021-11-16 | 武汉天马微电子有限公司 | Display panel and display device |
| CN113658985B (en) * | 2019-06-27 | 2023-10-31 | 武汉天马微电子有限公司 | Display panel and display device |
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| Publication number | Publication date |
|---|---|
| CN109599498B (en) | 2020-11-17 |
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