CN104576709B - Oled display substrate and preparation method thereof, wearable device - Google Patents
Oled display substrate and preparation method thereof, wearable device Download PDFInfo
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- CN104576709B CN104576709B CN201510055734.4A CN201510055734A CN104576709B CN 104576709 B CN104576709 B CN 104576709B CN 201510055734 A CN201510055734 A CN 201510055734A CN 104576709 B CN104576709 B CN 104576709B
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Abstract
The present invention relates to a kind of oled display substrate and preparation method thereof, wearable device, the oled display substrate includes multiple pixels, each pixel includes basic unit and the display structure being arranged in basic unit, and the air-vent of its basic unit and display structure is provided through at least part of pixel.Air-vent is set at least part of pixel of above-mentioned oled display substrate, gas permeability is made it have, so that there is good wearing comfort using the wearable device of the oled display substrate.
Description
Technical field
The present invention relates to display technology field, in particular it relates to a kind of oled display substrate and preparation method thereof, wearable
Equipment.
Background technology
The wearable devices such as intelligent watch, Intelligent bracelet are one of important development directions of following intelligent terminal.By
Need to be worn on the positions such as the arm of human body in wearable device, therefore, wearable device needs human body of fitting as much as possible
The profile at position is dressed, this requires that the display module in wearable device will be prepared into the shape that laminating human body dresses position.
Under existing process conditions, compared to LCD display device, OLED display is easier to be prepared to specifically
Curve form, therefore, the display module of wearable device is more suitable for selecting OLED display.
But existing OLED display does not have gas permeability, in the display module that it is used as wearable device, can make
Region into the setting display module of wearable device is airtight, so as to the wearing comfort of wearable device can be caused poor.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art, it is proposed that a kind of oled display substrate
And preparation method thereof, wearable device, the oled display substrate has gas permeability, makes wearing using the oled display substrate
The equipment of wearing has good wearing comfort.
A kind of oled display substrate is provided to realize the purpose of the present invention, it includes multiple pixels, each pixel includes
Basic unit and the display structure being arranged in basic unit, and its basic unit is at least partly provided through in pixel and the ventilative of structure is shown
Hole.
Wherein, the display structure of each pixel includes being provided with the viewing area of OLED, and the air-vent is arranged on the display
Qu Zhong.
Wherein, the quantity of the air-vent for being set in each pixel is one, and the air-vent is arranged in the viewing area
Heart position.
Wherein, the quantity of the air-vent for being set in each pixel is multiple, and the multiple air-vent is in the viewing area
It is uniformly arranged.
Wherein, along the direction away from basic unit, the hole wall of the air-vent in the display structure is gradually to external expansion.
Wherein, the display structure includes organic luminous layer；It is provided with for protecting on hole wall in the display structure
The protective layer of organic luminous layer.
Wherein, the material of the protective layer is silicon nitride.
Wherein, minimum sectional area sum of all air-vents in the plane parallel to basic unit is not more than the display
/ 2nd of area's area.
Wherein, the diameter of each smallest cross-sectional of the air-vent in the plane parallel to basic unit is less than 80 microns.
Wherein, a diameter of 50 microns of each smallest cross-sectional of the air-vent in the plane parallel to basic unit.
Wherein, each described air-vent in diameter and the air-vent in the section of basic unit in the plane parallel to basic unit
Difference between the diameter of interior smallest cross-sectional is not more than 10 microns.
Wherein, each described air-vent in center and the air-vent in the section of basic unit in the plane parallel to basic unit
The distance between interior center of smallest cross-sectional is not more than 10 microns.
Wherein, the basic unit is flexbile base.
Wherein, the basic unit is made up of polyimides.
Used as another technical scheme, the present invention also provides a kind of preparation method of oled display substrate, and it is used to prepare
The above-mentioned oled display substrate that the present invention is provided, the preparation method of the oled display substrate includes：
The display structure is formed in basic unit, and the step through the hole of the display structure is formed in structure is shown
Suddenly；
The step through the hole of the basic unit is formed in the region corresponding with the hole through display structure of the basic unit
Suddenly.
Wherein, the oled display substrate is the display base plate described in claim 5；
The preparation method of the oled display substrate also includes：
By depositing operation, the step of the formation protective layer on the hole wall in basic unit and the hole of display structure.
Wherein, the basic unit is flexbile base；
The preparation method of the oled display substrate also includes：
Before the step of display structure is formed in basic unit, on underlay substrate the step of preparation basic unit；
After the step of being formed through the hole of display structure, the step of the basic unit and underlay substrate are peeled off.
Wherein, the basic unit is polyimide film.
Wherein, prepared through the hole of the basic unit by punching press or laser technology.
Used as another technical scheme, the present invention also provides a kind of wearable device, and it includes display module, the display
The above-mentioned oled display substrate that component is provided using the present invention.
The invention has the advantages that：
The oled display substrate that the present invention is provided, air-vent is set in its at least part of pixel, makes it have gas permeability, from
And make that there is good wearing comfort using the wearable device of the oled display substrate.
The preparation method of the oled display substrate that the present invention is provided, it is prepared through aobvious in display structure and basic unit respectively
Show the hole of structure and basic unit, make the oled display substrate prepared that there is gas permeability, so that using above-mentioned oled display substrate
Wearable device there is good wearing comfort.
The wearable device that the present invention is provided, it uses the above-mentioned oled display substrate of present invention offer, can obtain good
Good wearing comfort.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with following tool
Body implementation method is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
The schematic diagram of the oled display substrate that Fig. 1 is provided for embodiment of the present invention；
Fig. 2 is the sectional view of oled display substrate shown in Fig. 1；
Fig. 3 is the schematic diagram that multiple air-vents are uniformly arranged in viewing area；
Fig. 4 is the schematic diagram of the deviation between the part in basic unit and display structure of air-vent；
The flow chart of the preparation method of the OLED display structures that Fig. 5 is provided for embodiment of the present invention；
Fig. 6 shows structure to prepare, and through the schematic diagram in the hole of display structure；
Fig. 7 is to prepare the schematic diagram through the hole of basic unit.
Wherein, reference：
1：Viewing area；2：Air-vent；10：Basic unit；20：Display structure；21：Organic luminous layer；22：Protective layer；23：Negative electrode
Layer.
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention provides a kind of implementation method of oled display substrate, and Fig. 1 shows for the OLED that embodiment of the present invention is provided
Show the schematic diagram of substrate.In the present embodiment, as shown in figure 1, oled display substrate includes multiple pixels, each pixel includes
Basic unit 10 and the display structure 20 being arranged in basic unit 10, are provided with through its basic unit 10 and display structure 20 at least part of pixel
Air-vent 2.Specifically, the basic unit 10 is generally polyimide film of glass substrate or flexibility etc., and it is used for thereon
Prepare display structure 20；The display structure 20 generally comprises anode layer, pixel defining layer, organic luminous layer 21, cathode layer 23
Etc. structure.
Air-vent 2 is set in the partial pixel of oled display substrate, can make the oled display substrate that there is gas permeability,
So as in the wearable device using the oled display substrate, gas can be covered in human body along air-vent 2 by wearable device
Flowed between the position of lid and outside air, can thus improve the wearing comfort of wearable device.
Preferably, the display structure of each pixel includes being provided with the viewing area 1 of OLED, and the air-vent 2 is arranged on institute
In stating viewing area 1.Due to being typically not provided with grid line, data wire equisignal line, and film crystal in the viewing area 1 of OLED pixel
The structures such as pipe, therefore, air-vent 2 is arranged on viewing area 1, the setting air-vent 2 pairs in oled display substrate can be reduced and shown
Show the influence for causing.
In the present embodiment, the quantity of the air-vent 2 can be one or more；Specifically, in the air-vent 2
Quantity be one when, preferably the air-vent 2 is arranged on the center of the viewing area 1, as shown in Figure 1；Described
When the quantity of air-vent 2 is for multiple, the preferably the plurality of air-vent 2 is uniformly arranged in the viewing area 1, as shown in Figure 3.
Specifically, as shown in Fig. 2 along the direction away from basic unit 10, the hole wall of the air-vent in the display structure 20 by
Gradually to external expansion, i.e. angle α in Fig. 2 is obtuse angle.The hole wall table being easy to by depositing operation in the air-vent 2 is so set
Face deposits layer protective layer 22, and can be isolated from the outside for organic luminous layer 21 by the protective layer 22, so as to protect organic luminous layer
21.It is appreciated that when protective layer 22 is prepared by depositing operation, the protective layer 22 can be not limited to prepare described
On the hole wall of stomata 2, it can also be prepared on the surface of cathode layer 23, as shown in Figure 2.Preferably, the protective layer 22
Material can be silicon nitride (SiNx)。
Further, minimum sectional area sum of all air-vents 2 in parallel to the plane of basic unit 10 is set to be not more than
/ 2nd of the area of the viewing area 1.So set and be used to limit the shared ratio in the viewing area 1 of the air-vent 2
Example (area), it is to avoid the area of viewing area 1 of pixel is significantly decreased to influence the display of oled display substrate because of the air-vent 2
The degree of quality, so that while the oled display substrate in present embodiment has gas permeability, also assuring its display quality
Therefore and substantially do not reduce.
Specifically, the diameter of smallest cross-sectional of each described air-vent 2 in parallel to the plane of basic unit 10 is micro- less than 80
Rice.So it is provided for avoiding the area of each air-vent 2 larger, and therefore influences the display quality of OLED pixel.Further
Ground, a diameter of 50 microns of smallest cross-sectional of each described air-vent 2 in parallel to the plane of basic unit 10.
Understood according to above-mentioned, the oled display substrate includes basic unit 10, and is arranged on the display structure in basic unit 10
20；In practice, the part in basic unit 10 of each air-vent 2 and the part in display structure 20 generally by
What different technique was formed, therefore, each described air-vent 2 can be divided into two parts, i.e., the part being located at respectively in basic unit 10 and
Part in display structure 20.In the present embodiment, in the above-mentioned two part at least portion for ensuring each air-vent 2
On the premise of subregion overlaps, the part in basic unit 10 and the portion in display structure 20 of each air-vent 2 are set
/ deviation be less than 10 microns, as shown in Figure 4；The setting is specifically included：Each described air-vent 2 is in the section of basic unit 10
Diameter D with air-vent this described 2 in parallel to the plane of basic unit 10 smallest cross-sectional (according to above-mentioned, and shown in Fig. 2,
The section is the section in the plane where be set directly in basic unit one layer display structure) diameter d between difference
No more than 10 microns, and each described air-vent 2 the section of basic unit 10 center O and the air-vent 2 parallel to
The distance between the center o of smallest cross-sectional in the plane of basic unit 10 L is not more than 10 microns.
In the present embodiment, preferably described basic unit 10 is flexbile base, so makes the oled display substrate be flexibility
Display base plate, it can be bent to respective shapes, so as to be particularly suited for wearable device.Further, it is preferable to the base
Layer 10 is made up of polyimides.
In sum, the oled display substrate that embodiment of the present invention is provided, its at least part of pixel sets air-vent 2,
Oled display substrate can be made has gas permeability, so that being had using the wearable device of the oled display substrate good
Wearing comfort.
The present invention also provides a kind of implementation method of the preparation method of oled display substrate, in the present embodiment, described
The preparation method of oled display substrate is used to prepare the above-mentioned oled display substrate of present invention offer.
The flow chart of the preparation method of the oled display substrate that Fig. 5 is provided for embodiment of the present invention.As shown in figure 5, institute
The preparation method for stating oled display substrate includes：
The display structure 20 is formed in basic unit 10, and is formed in structure 20 is shown through the display structure 20
Hole the step of, as shown in Figure 6；And
Formed through the basic unit 10 in the region corresponding with the hole through display structure 20 of the basic unit 10
The step of hole, as shown in Figure 7.
Preferably, in the display structure according to the preparation of above-mentioned first step, along the direction away from basic unit 10, through described
The hole wall in the hole in display structure 20 is gradually to external expansion.In the case, the oled display substrate in present embodiment
Preparation method also include：
By depositing operation, on the hole wall in the hole through display structure 20 the step of formation protective layer 22.It is preferred that
Ground, the material of the protective layer 22 is silicon nitride (SiNx)。
By preparing the above-mentioned steps of protective layer 22, protective layer 22 is formed on the hole wall of air-vent 2, the protective layer 22 can
It is isolated from the outside with by the organic luminous layer in OLED pixel, so as to play a part of to protect organic luminous layer.
Preferably, the basic unit 10 is flexbile base, and in the case, the preparation method of the oled display substrate is also wrapped
Include：
Before the step of display structure 20 are formed in basic unit 10, on underlay substrate the step of preparation basic unit 10；
After the step of being formed through the hole of display structure 20, the step of the basic unit 10 and underlay substrate are peeled off.
Further, the basic unit 10 is polyimide film.In the case where basic unit 10 is polyimide film, preparation runs through
During the hole of basic unit 10, by punching press or laser technology in the polyimides film preparation through the hole of the polyimide film；And
The calcination of polyimide film can be caused due to laser technology, it is preferred to use Sheet Metal Forming Technology is formed through the hole of polyimide film.
The preparation method of the oled display substrate that embodiment of the present invention is provided, in preparation process, sequentially forms and runs through
The hole of multiple display structure 20, and formed through the hole of basic unit 10, make the oled display substrate prepared that there is gas permeability；From
And can make that there is good wearing comfort using the wearable device of above-mentioned oled display substrate.
The present invention also provides a kind of implementation method of wearable device, in this embodiment, the wearable device, bag
Include display module, the oled display substrate that the display module is provided using above-mentioned implementation method of the invention.
The wearable device that embodiment of the present invention is provided, it uses the OLED that above-mentioned implementation method of the invention is provided to show
Substrate can improve the wearing comfort of wearable device as display module.
It is understood that the embodiment of above principle being intended to be merely illustrative of the present and the exemplary implementation for using
Mode, but the invention is not limited in this.For those skilled in the art, essence of the invention is not being departed from
In the case of god and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (20)
1. a kind of oled display substrate, including multiple pixels, each pixel includes basic unit and the display structure being arranged in basic unit,
Characterized in that, being at least partly provided through the air-vent of its basic unit and display structure in pixel.
2. oled display substrate according to claim 1, it is characterised in that the display structure of each pixel includes being provided with
The viewing area of OLED, the air-vent is arranged in the viewing area.
3. oled display substrate according to claim 2, it is characterised in that the quantity of the air-vent set in each pixel
It it is one, the air-vent is arranged on the center of the viewing area.
4. oled display substrate according to claim 2, it is characterised in that the quantity of the air-vent set in each pixel
It is multiple, the multiple air-vent is uniformly arranged in the viewing area.
5. oled display substrate according to claim 1, it is characterised in that along the direction away from basic unit, the display knot
The hole wall of the air-vent in structure is gradually to external expansion.
6. oled display substrate according to claim 5, it is characterised in that the display structure includes organic luminous layer；
The protective layer for protecting organic luminous layer is provided with hole wall in the display structure.
7. oled display substrate according to claim 6, it is characterised in that the material of the protective layer is silicon nitride.
8. oled display substrate according to claim 2, it is characterised in that all air-vents are parallel to basic unit
Minimum sectional area sum in plane is not more than 1/2nd of the viewing area area.
9. oled display substrate according to claim 8, it is characterised in that each described air-vent is parallel to basic unit
The diameter of the smallest cross-sectional in plane is less than 80 microns.
10. oled display substrate according to claim 9, it is characterised in that each described air-vent is parallel to basic unit
Plane in a diameter of 50 microns of smallest cross-sectional.
11. oled display substrates according to claim 1, it is characterised in that each described air-vent is in the section of basic unit
Diameter and the diameter of the smallest cross-sectional of the air-vent in the plane parallel to basic unit between difference to be not more than 10 micro-
Rice.
12. oled display substrate according to claim 1 or 11, it is characterised in that each described air-vent is in basic unit
Distance between the center of the center in section and the smallest cross-sectional of the air-vent in the plane parallel to basic unit is not more than
10 microns.
13. oled display substrates according to claim 1, it is characterised in that the basic unit is flexbile base.
14. oled display substrates according to claim 13, it is characterised in that the basic unit is made up of polyimides.
15. a kind of preparation methods of oled display substrate, it is characterised in that for preparing claim 1~14 any one institute
The oled display substrate stated, the preparation method of the oled display substrate includes：
The display structure is formed in basic unit, and the step of being formed in showing structure through the hole of the display structure；
The step of basic unit region corresponding with the hole through display structure is formed through the hole of the basic unit.
The preparation method of 16. oled display substrates according to claim 15, it is characterised in that the oled display substrate
It is the display base plate described in claim 5；
The preparation method of the oled display substrate also includes：
By depositing operation, the step of the formation protective layer on the hole wall in basic unit and the hole of display structure.
The preparation method of 17. oled display substrates according to claim 15, it is characterised in that the basic unit is flexible base
Layer；
The preparation method of the oled display substrate also includes：
Before the step of display structure is formed in basic unit, on underlay substrate the step of preparation basic unit；
After the step of being formed through the hole of display structure, the step of the basic unit and underlay substrate are peeled off.
The preparation method of 18. oled display substrates according to claim 17, it is characterised in that the basic unit is sub- polyamides
Amine film.
The preparation method of 19. oled display substrate according to any one in claim 15,17,18, it is characterised in that
Prepared through the hole of the basic unit by punching press or laser technology.
A kind of 20. wearable devices, including display module, it is characterised in that the display module uses claim 1 to 14 times
Display base plate described in meaning one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510055734.4A CN104576709B (en) | 2015-02-03 | 2015-02-03 | Oled display substrate and preparation method thereof, wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055734.4A CN104576709B (en) | 2015-02-03 | 2015-02-03 | Oled display substrate and preparation method thereof, wearable device |
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| CN104576709A CN104576709A (en) | 2015-04-29 |
| CN104576709B true CN104576709B (en) | 2017-07-04 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205984154U (en) * | 2016-08-15 | 2017-02-22 | 合肥鑫晟光电科技有限公司 | Display panel and wearable equipment |
| CN106856227B (en) * | 2016-12-19 | 2020-03-31 | Tcl集团股份有限公司 | Flexible breathable wearable quantum dot light-emitting diode and preparation method thereof |
| US10707452B2 (en) | 2018-09-27 | 2020-07-07 | OLEDWorks LLC | Method for making OLED with pass-through hole |
| CN111554732B (en) * | 2020-06-15 | 2023-04-18 | 京东方科技集团股份有限公司 | Flexible display panel, manufacturing method thereof and wearable light-emitting device |
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| US6270250B1 (en) * | 1999-09-16 | 2001-08-07 | Byung-Jun Song | Watch having an opening |
| CN103975374A (en) * | 2011-08-11 | 2014-08-06 | 雷格勒有限公司 | Interactive lighting effect wristband & integrated antenna |
| CN203914926U (en) * | 2014-06-12 | 2014-11-05 | 福州大学 | A kind of wearable knee osteoarthritis motion monitoring data acquisition unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8814754B2 (en) * | 2010-11-01 | 2014-08-26 | Nike, Inc. | Wearable device having athletic functionality |
| CN103946732B (en) * | 2011-09-26 | 2019-06-14 | 微软技术许可有限责任公司 | Video based on the sensor input to perspective, near-eye display shows modification |
| CN202211258U (en) * | 2011-09-28 | 2012-05-09 | 马菲菲 | Retractable wristband |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6270250B1 (en) * | 1999-09-16 | 2001-08-07 | Byung-Jun Song | Watch having an opening |
| CN103975374A (en) * | 2011-08-11 | 2014-08-06 | 雷格勒有限公司 | Interactive lighting effect wristband & integrated antenna |
| CN203914926U (en) * | 2014-06-12 | 2014-11-05 | 福州大学 | A kind of wearable knee osteoarthritis motion monitoring data acquisition unit |
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