CN109148380A - Display panel, display module and electronic device - Google Patents
Display panel, display module and electronic device Download PDFInfo
- Publication number
- CN109148380A CN109148380A CN201810954956.3A CN201810954956A CN109148380A CN 109148380 A CN109148380 A CN 109148380A CN 201810954956 A CN201810954956 A CN 201810954956A CN 109148380 A CN109148380 A CN 109148380A
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- layer
- display panel
- buckled zone
- base board
- flexible base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/562—Protection against mechanical damage
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of display panel, display module and electronic device, the display panel includes: backsheet layer, including the first backboard and the second backboard;The flexible base board on the backsheet layer is set, the flexible base board includes the firstth area, the secondth area and connects buckled zone between firstth area and secondth area, firstth area corresponds to first backboard, and secondth area corresponds to second backboard;Supporting layer positioned at the protective layer of flexible base board buckled zone side and positioned at the flexible base board buckled zone other side;Wherein, when the buckled zone is bending state, the buckled zone is semicircle.The present invention, which attaches a supporting layer by the inner surface in the buckled zone, keeps the bending radius of the buckled zone equal, and reduces the bending stress that existing buckled zone is born, and improves the reliability of display module.
Description
Technical field
The present invention relates to display fields, and in particular to a kind of display panel, display module and electronic device.
Background technique
In flat panel display, Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) is aobvious
Show device have it is frivolous, actively shine, fast response time, angle of visibility is big, colour gamut is wide, brightness is high and many merits such as low in energy consumption, by
Gradually become the third generation display technology after liquid crystal display.
With the development of display industry technology, user is higher and higher to the design requirement of display panel, such as narrow side
The design of frame.
Fig. 1 show a kind of sectional structure chart of display panel in the prior art, the display panel include conductive layer 10,
Buffer layer 20, backsheet layer, flexible base board 40, light emitting device layer 50, thin-film encapsulation layer 60 and polaroid;Wherein, the backboard
Layer includes the first backboard 301 and the second backboard 302, and the flexible base board 40 includes the first area 701, the second area 702 and bending
Area 703, due to being formed with a large amount of power supply line on buckled zone 703, it is therefore desirable to which protective layer is set on the buckled zone 703.
In the prior art, the surface of light-sensitive emulsion due to its flatness it is poor, will lead to each section of flexible base board buckled zone of circle
Arc radius is unequal, i.e., not only the appearance of buckled zone is poor, but also the bending that will increase buckled zone regional area receiving is answered
Power reduces the reliability of display module.
Therefore, a kind of display panel is needed at present to solve the above problems.
Summary of the invention
The present invention provides a kind of display panel, display module and electronic devices, to solve existing display panel bending
Area because bending radius is not equal increase the bending stress of buckled zone receiving the technical issues of.
According to an aspect of the invention, there is provided a kind of display panel, comprising:
Backsheet layer, including the first backboard and the second backboard;
Flexible base board is located on the backsheet layer, and the flexible base board includes for the firstth area of pixel array, the to be arranged
Buckled zone between 2nd area and connection firstth area and secondth area, firstth area correspond to first backboard,
Secondth area corresponds to second backboard;
Protective layer, positioned at the side of the flexible base board buckled zone;And
Supporting layer, positioned at the other side of the flexible base board buckled zone;
Wherein, when the buckled zone is bending state, the buckled zone is semicircle.
In display panel of the invention, the supporting layer includes the first inorganic layer and the first organic layer, and described first has
Machine layer is between first inorganic layer and the flexible base board.
In display panel of the invention, the material of first inorganic layer includes silicon nitride, silica or silicon oxynitride
At least one of, the material of first organic layer includes polyimides.
In display panel of the invention, first inorganic layer with a thickness of 1.5 microns to 1.9 microns, described first
Organic layer with a thickness of 3.2 microns to 4 microns.
In display panel of the invention, the display panel further includes the thin-film encapsulation layer in firstth area,
The protective layer and the thin-film encapsulation layer mutually from.
In display panel of the invention, the supporting layer and the backsheet layer mutually from.
In display panel of the invention, the buckled zone further includes binder, and the binder is formed in the support
Between layer and the flexible base board.
In display panel of the invention, the display panel further includes the conductive layer and buffer layer stacked gradually, described
Conductive layer and the buffer layer are formed between firstth area and secondth area.
According to another aspect of the present invention, a kind of display module is additionally provided, including above-mentioned display panel.
According to another aspect of the present invention, a kind of electronic device is additionally provided, including above-mentioned display module.
The utility model has the advantages that the present invention, which attaches a supporting layer by the inner surface in the buckled zone, makes the bending of the buckled zone
Radius is equal, and reduces the bending stress that existing buckled zone is born, and improves the reliability of display module.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of sectional structure chart of display panel of the prior art;
Fig. 2 is a kind of film layer structure figure of display panel of the present invention;
Fig. 3 is a kind of another film layer structure figure of display panel of the present invention.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
Fig. 2 show a kind of film layer structure figure of display panel of the present invention, and display panel includes:
Backsheet layer, the backsheet layer include the first backboard 301 and the second backboard 302;
Flexible base board 40, the flexible base board 40 are located on the backsheet layer, and the flexible base board 40 includes for setting
Set the bending between the first area 701, the second area 702 and connection firstth area 701 and secondth area 702 of pixel array
Area 703, firstth area 701 correspond to first backboard 301, and secondth area 702 corresponds to second backboard 302;
Protective layer 80, positioned at the side of 40 buckled zone 703 of flexible base board;
Supporting layer 90, positioned at the other side of 40 buckled zone 703 of flexible base board;
Wherein, when the buckled zone 703 is bending state, the buckled zone 703 is semicircle.
Preferably, the material of the protective layer 80 is ultraviolet light-sensitive emulsion.
Specifically, the material of the flexible base board 40 is polyimides.
Common, the pixel array that 701 top of the firstth area is arranged in includes:
Buffer layer on the flexible base board 40 is set;
Array substrate on the buffer layer is set;
Light emitting device layer 50 in the array substrate is set;
Planarization layer in the array substrate and pixel defining layer are set;
Common, the device that 702 top of the secondth area is arranged in includes signal lead.
In display panel of the invention, the low flatness of protective layer 80 leads to the bending half in each region in buckled zone 703
Diameter is unequal, and the bending stress in local buckling area 703 increases, so that display panel fails, the present invention passes through in the flexible base
Supporting layer 90 is arranged in the side of plate 40, i.e., side opposite with the protective layer 80, by adjusting each region of the supporting layer 90
Thicknesses of layers reduce the buckled zone 703 so that the bending radius of 703 each sections of 40 buckled zone of the flexible base board is equal
Bending stress improves the reliability of display module.
In display panel of the invention, the supporting layer 90 includes that at least inorganic layer and at least one being sequentially overlapped has
Machine layer;In the present embodiment, the supporting layer 90 includes one first inorganic layer and one first organic layer;
Preferably, the material of first inorganic layer includes at least one of silicon nitride, silica or silicon oxynitride;
Preferably, the material of first organic layer includes;
Preferably, first inorganic layer with a thickness of 1.5 microns to 1.9 microns;
Preferably, first organic layer with a thickness of 3.2 microns to 4 microns.
In display panel of the invention, the supporting layer 90 and the backsheet layer mutually from;As shown in Fig. 2, the support
One end of layer 90 is with 301 phase of the first backboard from i.e. buckled zone 703 is in bending state, close to first backboard 301 1
There are certain spacing between the supporting layer 90 and first backboard 301 at end, i.e. region A is that the buckled zone 703 is curved
The smallest bending stress one section, being subject to of curvature is also minimum, and region A does not need the coated supporting layer, therefore the institute in the A of region
State supporting layer 90 and 301 phase of the first backboard from;
For region B, i.e., the one end and 302 phase of the second backboard of the described supporting layer 90 close to second backboard 302
From;As shown in Fig. 2, terminal of the supporting layer 90 close to one end of second backboard 302 is located at the flexible base board 40
In buckled zone 703;As shown in figure 3, terminal of the supporting layer 90 close to one end of second backboard 302 is located at the flexibility
In second area 702 of substrate 40, but with 302 phase of the second backboard from.
In display panel of the invention, the display panel further includes the optical cement being set on the buckled zone 703,
The optical cement is formed between the flexible base board 40 and the supporting layer 90, by the optical cement by the supporting layer 90
It is bonded with the flexible base board 40;
It should be understood that the present invention passes through the supporting layer 90 from stature when the buckled zone 703 is in bending state
The characteristic of material and the effect of optical cement, so that 703 each sections of the buckled zone of bending radius is equal.
In display panel of the invention, as shown in Fig. 2, 701 surface of the firstth area is provided with for protecting photophore
The thin-film encapsulation layer 60 of part layer 50, the protective layer 80 and 60 phase of thin-film encapsulation layer from, i.e., the described thin-film encapsulation layer 60 with
There are certain spacing between the protective layer 80, directly contact to avoid the thin-film encapsulation layer 60 with the protective layer 80;
It should be understood that the protective layer 80 can also be contacted directly with the thin-film encapsulation layer 60 to protect positioned at described
The flexible base board 40 of 80 lower section of thin-film encapsulation layer 60 and the protective layer.
In display panel of the invention, the display panel further includes the conductive layer 10 and buffer layer 20 stacked gradually,
The conductive layer 10 and the buffer layer 20 are formed between firstth area 701 and secondth area 702;Wherein, described slow
It rushes layer 20 to be formed on the conductive layer 10, the buffer layer 20 is bonded with first backboard 301, the conductor layer 10 and institute
State the fitting of the second backboard 302;
Preferably, the material of the conductive layer 10 is metallic copper;
It should be understood that secondth area 702 is bent by the buckled zone 703 to the side in firstth area 701, make
Second backboard 302 is bonded with the conductive layer 10.
According to another aspect of the present invention, a kind of display module is additionally provided, the display module includes the display
Panel further includes the touch control layer set gradually on said display panel, polarizing layer and cover layer, wherein the encapsulated layer is logical
It is Nian Jie with the touch control layer to cross the first optical adhesive layer, the polarizing layer is Nian Jie with the cover layer by the second optical adhesive layer.
According to a further aspect of the invention, a kind of electronic device is additionally provided, the electronic device includes the display
Mould group.
The working principle of the working principle of the display module, the working principle of the electronic device and the display panel
Similar, the working principle of the working principle of the display module and the electronic device can specifically refer to the display panel
Working principle, be not described herein.
The present invention provides a kind of display panel, display module and electronic device, the display panel includes: backboard
Layer, including the first backboard and the second backboard;The flexible base board on the backsheet layer is set, and the flexible base board includes the
One area, the secondth area and buckled zone between firstth area and secondth area is connected, firstth area corresponds to described the
One backboard, secondth area correspond to second backboard;Protective layer, Yi Jiwei positioned at flexible base board buckled zone side
Supporting layer in the flexible base board buckled zone other side;Wherein, when the buckled zone is bending state, the buckled zone is
It is semicircle.The present invention, which attaches a supporting layer by the inner surface in the buckled zone, keeps the bending radius of the buckled zone equal,
And reduce the bending stress that existing buckled zone is born, improve the reliability of display module.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of display panel characterized by comprising
Backsheet layer, including the first backboard and the second backboard;
Flexible base board is located on the backsheet layer, and the flexible base board includes for the firstth area of pixel array, the secondth area to be arranged
And the buckled zone between connection firstth area and secondth area, firstth area corresponds to first backboard, described
Secondth area corresponds to second backboard;
Protective layer, positioned at the side of the flexible base board buckled zone;And
Supporting layer, positioned at the other side of the flexible base board buckled zone;
Wherein, when the buckled zone is bending state, the buckled zone is semicircle.
2. display panel according to claim 1, which is characterized in that the supporting layer includes that the first inorganic layer and first has
Machine layer, first organic layer is between first inorganic layer and the flexible base board.
3. display panel according to claim 2, which is characterized in that the material of first inorganic layer include silicon nitride,
At least one of silica or silicon oxynitride,
The material of first organic layer includes polyimides.
4. display panel according to claim 2, which is characterized in that first inorganic layer with a thickness of 1.5 microns extremely
1.9 microns,
First organic layer with a thickness of 3.2 microns to 4 microns.
5. display panel shown according to claim 1, which is characterized in that the display panel further includes being located at firstth area
On thin-film encapsulation layer, the protective layer and the thin-film encapsulation layer mutually from.
6. display panel shown according to claim 1, which is characterized in that the supporting layer and the backsheet layer mutually from.
7. display panel shown according to claim 1, which is characterized in that the buckled zone further includes binder, the bonding
Agent is formed between the supporting layer and the flexible base board.
8. display panel shown according to claim 1, which is characterized in that the display panel further includes the conduction stacked gradually
Layer and buffer layer, the conductive layer and the buffer layer are formed between firstth area and secondth area.
9. a kind of display module, which is characterized in that including display panel a method as claimed in any one of claims 1-8.
10. a kind of electronic device, which is characterized in that including display module as claimed in claim 9.
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CN113488513A (en) * | 2021-06-23 | 2021-10-08 | 武汉华星光电半导体显示技术有限公司 | Display module and preparation method thereof |
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CN113744634A (en) * | 2020-05-29 | 2021-12-03 | 华为技术有限公司 | Display device and electronic apparatus |
CN114093259A (en) * | 2021-11-15 | 2022-02-25 | 合肥维信诺科技有限公司 | Display device and preparation method thereof |
CN114203048A (en) * | 2021-12-22 | 2022-03-18 | 武汉华星光电半导体显示技术有限公司 | Display module and mobile terminal |
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