CN109411629B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109411629B CN109411629B CN201811452819.6A CN201811452819A CN109411629B CN 109411629 B CN109411629 B CN 109411629B CN 201811452819 A CN201811452819 A CN 201811452819A CN 109411629 B CN109411629 B CN 109411629B
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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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
Abstract
The invention discloses a display panel and a display device, the display panel includes: a display area and a packaging area surrounding the display area; the packaging area comprises packaging metal, the packaging metal comprises a first edge close to the display area and a second edge far away from the display area, and the first edge and the second edge are oppositely arranged; the packaging region comprises at least one inward shrinkage region and a plurality of non-inward shrinkage regions, the packaging metal extends along a curve in the inward shrinkage region and extends along a straight line in the non-inward shrinkage region, the minimum distance from the second edge of the packaging metal in the inward shrinkage region to the edge of the display panel is a first distance, the minimum distance from the second edge of the non-inward shrinkage region to the edge of the display panel is a second distance, and the first distance is larger than the second distance. By the invention, the screen occupation ratio of the display device can be improved, the probability of electrostatic breakdown of the curve packaging metal on the display panel is reduced, and the display effect is improved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
In the Display technology, an Organic Light Emitting Diode (OLED) Display panel is considered as a third generation Display technology following a Liquid Crystal Display (LCD) due to its advantages of lightness, thinness, active Light emission, fast response speed, wide viewing angle, rich colors, high brightness, low power consumption, high and low temperature resistance, etc.
In order to increase the screen occupation ratio of the display device, the display panel is configured as a special-shaped display panel in the prior art, for example, a corner of the display panel is configured as a rounded corner, a partial area is dug out of the display panel to form a notch area, and a camera, an earphone and other functional modules are placed in the notch area. Although the screen occupation ratio of the display device can be improved for the organic light emitting diode display panel with the special shape, new problems can be generated, and the display effect of the display device is reduced.
Therefore, it is a technical problem to be solved in the art to provide a display panel and a display device, which can reduce the probability of the occurrence of the problem affecting the display effect of the display device.
Disclosure of Invention
In view of this, the present invention provides a display panel and a display device, which reduce the probability of electrostatic breakdown at the curve package metal on the display panel and improve the display effect.
In one aspect, the present invention provides a display panel.
The display panel includes: a display area and a packaging area surrounding the display area; the packaging area comprises packaging metal, the packaging metal comprises a first edge close to the display area and a second edge far away from the display area, and the first edge and the second edge are oppositely arranged; the packaging region comprises at least one inward shrinkage region and a plurality of non-inward shrinkage regions, the packaging metal extends along a curve in the inward shrinkage region and extends along a straight line in the non-inward shrinkage region, the minimum distance from the second edge of the packaging metal in the inward shrinkage region to the edge of the display panel is a first distance, the minimum distance from the second edge of the non-inward shrinkage region to the edge of the display panel is a second distance, and the first distance is larger than the second distance.
In another aspect, the present invention provides a display device.
The display device comprises any one of the display panels provided by the invention.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
position department that extends along the curve at the encapsulation metal, set up the minimum distance that the edge of encapsulation metal keeping away from display area one side to the display panel edge, be greater than the position department that extends along the straight line at the encapsulation metal, the minimum distance of edge to display panel edge of display area one side is kept away from to the encapsulation metal, that is, to the position department that the encapsulation metal is punctureed by the static easily, it is great to make encapsulation metal to display panel edge messenger, promote the ability of the antistatic damage of this department, reduce the probability that curve encapsulation metal department is punctured by the static on the display panel, promote display effect.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic top view of a display panel according to the prior art;
FIG. 2 is a schematic cross-sectional view of a display panel according to the prior art;
FIG. 3 is a schematic top view of a display panel according to an embodiment of the present invention;
fig. 4 and fig. 5 are schematic cross-sectional views of a display panel according to an embodiment of the invention;
fig. 6 and 7 are enlarged partial views of a display panel according to an embodiment of the present invention;
fig. 8 and 9 are enlarged views of the display panel according to another embodiment of the present invention;
fig. 10 is a partially enlarged view of a display panel according to still another embodiment of the present invention;
FIG. 11 is a partially enlarged view of a display panel according to still another embodiment of the present invention;
fig. 12 is a partially enlarged view of a display panel according to still another embodiment of the present invention;
fig. 13 is a schematic diagram of a display device according to an embodiment of the invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The inventors have made the following studies on the display panel in the related art:
fig. 1 is a schematic top view of a display panel according to the prior art, and fig. 2 is a schematic cross-sectional view of the display panel according to the prior art, wherein fig. 2 is a cross-sectional view taken along a line C '-C' of fig. 1. As shown in fig. 1 and 2, the display panel is a special-shaped display panel, and the display panel with curved edge is defined as a special-shaped display panel, and as shown in fig. 1, the corner of the display panel has an arc-shaped convex curved edge Y1', so that the corner of the display panel is a round corner, and meanwhile, the display panel has a notch area NA', and the edge of the notch area NA 'also generally includes a curved edge Y2'.
The display panel includes a display area AA ' and an encapsulation area PA ' surrounding the display area AA '. As shown in fig. 2, the display panel includes first and second substrates 10' and 20' facing each other, and an organic light emitting material layer 30' disposed between the first and second substrates 10' and 20 '. The display panel further comprises packaging metal PM ' and packaging glue SG ' which are arranged in the packaging area PA ', and the packaging of the display panel is achieved by irradiating the packaging metal PM ' and the packaging glue SG ' with laser. The package metal PM 'includes a first edge PM1' close to the display area AA 'and a second edge PM2' far from the display area AA ', the first edge PM1' and the second edge PM2 'are oppositely disposed, and generally, the extending direction of the package metal PM' is consistent with the extending direction of the edge of the display panel, that is, at the position of the curved edge of the display panel, the corresponding package metal PM 'extends along a curve, and at the position of the straight edge of the display panel, the corresponding package metal PM' extends along a straight line. For this type of display panel, the inventors have found that the position where the package metal PM ' extends along a curved line (e.g., at the position PMa ' in the figure) has a greater probability of causing damage to the package metal PM ' than the position where the package metal PM ' extends along a straight line (e.g., at the position PMb ' in the figure). As for the reason of the problem, the inventors further studied and found that static electricity is likely to be generated at the edge of the display device during use, and the larger the curvature of the line segment of the extending direction of the package metal PM ', the more likely the static electricity is concentrated, and thus the package metal PM ' is easily broken down by electrostatic breakdown, while the curvature of the line segment of the extending direction of the package metal PM ' is zero when the package metal PM ' extends along a straight line, and therefore the package metal PM2' extending along a curved line is easily broken down by static electricity due to the easy concentration of static electricity.
Based on the above research, the present application provides a display panel and a display device, in this display panel, the encapsulation area includes the shrink-in area and the not shrink-in area, in the shrink-in area, the encapsulation metal extends along the curve, extend along the straight line at the not shrink-in area, and, in the shrink-in area, the minimum distance of encapsulation metal to display panel edge, it is bigger to the minimum distance of display panel edge to compare the encapsulation metal in the not shrink-in area, that is, at the position department that the encapsulation metal extends along the curve, that is, the encapsulation metal is easily by the position department of electrostatic breakdown, increase the distance of encapsulation metal to display panel edge, promote the ability of the antistatic damage of this department, reduce the probability that curve encapsulation metal department is by electrostatic breakdown on the display panel, promote the display effect.
With regard to the display panel and the display device provided by the present application, the following will be described in detail by various embodiments.
Fig. 3 is a schematic top view of a display panel according to an embodiment of the present invention, fig. 4 and 5 are schematic cross-sectional views of the display panel according to the embodiment of the present invention, fig. 6 and 7 are enlarged partial views of the display panel according to the embodiment of the present invention, where fig. 4 is a cross-sectional view taken along a cut line C1-C1 in fig. 3, fig. 5 is a cross-sectional view taken along a cut line C2-C2 in fig. 3, fig. 6 is an enlarged partial view of a region a1 in fig. 1, and fig. 7 is an enlarged partial view of a region a2 in fig. 1.
In one embodiment, as shown in fig. 3 to 7, the display panel includes a display area AA and a package area PA surrounding the display area AA. The display panel includes a first substrate 10, a second substrate 20, and an organic light emitting material layer 30 disposed between the first substrate 10 and the second substrate 20, specifically, the first substrate 10 may be an array substrate, the second substrate 20 may be an encapsulation cover plate or a flexible encapsulation layer, and the organic light emitting material layer 30 is located in the display area AA and includes a plurality of organic light emitting diodes (not shown). The array substrate includes a base layer, a plurality of conductive layers disposed between the base layer and the package cover plate, and an insulating layer disposed between the adjacent conductive layers, wherein the conductive layers include a pixel circuit (not shown) for controlling light emission of the organic light emitting diode.
The package region PA includes a package metal PM, which may be a layer of metal disposed on the surface of the first substrate 10, or may also be one or more layers of metal in several conductive layers in the first substrate 10, which is not limited in this application.
The package metal PM includes a first edge PM1 close to the display area AA and a second edge PM2 far from the display area AA, and the first edge PM1 and the second edge PM2 are oppositely disposed.
The package region PA includes at least one indented region PAa and a plurality of non-indented regions PAb, and the package metal PM extends in a curved line in the indented region PAa and in a straight line in the non-indented region PAb. In one case, the indented region PAa is disposed corresponding to a curved edge of the display panel, for example, the edge of the first indented region PAa1 shown in fig. 3 corresponding to the display panel is an arc-shaped convex edge of the display panel, that is, a curved edge Y1 at a corner, and as another example, the display panel further includes a notch region NA, and the edge of the display panel corresponding to the second indented region PAa2 shown in fig. 3 corresponding to the curved edge Y2 at the notch region NA. Or the indented area PAa is arranged corresponding to other curved edges of the display panel. In another case, based on the reason that the signal routing needs to be avoided in the retracted region PAa, the edge of the display panel corresponding to the retracted region PAa is a straight edge, but the package metal PM extends along a curve. In any case, the package metal PM extends along a curve in the indented region PAa and extends along a straight line in the non-indented region PAb, and the minimum distance from the second edge PM2 of the indented region PAa to the edge of the display panel is the first distance D1, the minimum distance from the second edge PM2 of the non-indented region PA1 to the edge of the display panel is the second distance D2, and the first distance D1 is greater than the second distance D2.
Adopt the display panel that this embodiment provided, position department that extends along the curve at the encapsulation metal, set up the minimum distance that the encapsulation metal kept away from the edge of display area one side to the display panel edge, be greater than the position department that extends along the straight line at the encapsulation metal, the minimum distance that the edge of display area one side to the display panel edge is kept away from to the encapsulation metal, that is, to the position department that the encapsulation metal is punctured by the static easily, it is great to make encapsulation metal to the display panel edge, promote the ability of the antistatic damage of this department everywhere, reduce the probability that curve encapsulation metal department is punctured by the static on the display panel, promote display effect.
Optionally, in an embodiment, the first distance D1 is greater than or equal to 10 microns and less than or equal to 500 microns, and the second distance D2 is greater than or equal to 5 microns and less than or equal to 300 microns.
By adopting the display panel provided by the embodiment, the range of the first distance and the range of the second distance are limited, so that the requirement of the antistatic capacity on the first distance can be met, and the first distance and the second distance are set too large to be beneficial to narrowing of a frame area of the display panel.
Fig. 8 and 9 are partial enlarged views of a display panel according to another embodiment of the invention, and in an embodiment, as shown in fig. 8 and 9, the first distance D1c is greater than the second distance D2c, a line width of the package metal PM in the recessing area PAa is a first line width W1c, a line width in the non-recessing area PA1 is a second line width W2c, and the first line width W1c is equal to the second line width W2 c.
By adopting the display panel provided by the embodiment, the line widths of the packaging metals at all positions in the packaging area are equal, and in the shrinking area, the first distance is greater than the second distance by displacing the packaging metals towards the display area, so that the packaging reliability of each position in the packaging area can be ensured while the antistatic capability of the position where the packaging metals are easily subjected to electrostatic breakdown is improved.
In another embodiment, the first line width may be set larger than the second line width.
In one embodiment, referring to fig. 4 to 7, the width of the package metal PM in the recessing area PAa is a first line width W1, the width of the package metal PM in the non-recessing area PA1 is a second line width W2, and the first line width W1 is smaller than the second line width W2.
Adopt the display panel that this embodiment provided, the accessible sets up encapsulation metal at the shrink-in district and at the different linewidths in the shrink-in district, realize that first distance is greater than the second distance, that is, replace the space of encapsulation metal edge to display panel edge through reducing the encapsulation metal width in the shrink-in district, can enough promote the antistatic ability of the position department of being punctured by the static easily, have and can reduce goods and avoid in the shrink-in district because increase encapsulation metal edge to display panel edge's space and to the influence of other circuit designs in the encapsulation district, simple process.
In one embodiment, please refer to fig. 4 to 7, wherein the minimum distance from any point on the first edge PM1 to the edge of the display panel is equal, that is, the minimum distance W4 from the first edge PM1 of the package metal PM to the edge of the display panel is uniform in the indented region PAa, the minimum distance W3 from the first edge PM1 of the package metal PM to the edge of the display panel is uniform in the non-indented region PAb, and the minimum distance W4 in the indented region PAa is equal to the minimum distance W3 in the non-indented region PAb.
By adopting the display panel provided by the embodiment, the first distance is larger than the second distance only by setting different line widths of the packaging metal in the inward shrinkage region and the non-inward shrinkage region, and other circuit designs in the packaging region do not need to be changed.
Fig. 10 is a partially enlarged view of a display panel according to still another embodiment of the present invention, in one embodiment, as shown in fig. 10, in each of the retraction areas PAa, the first distance increases first and then decreases, and in fig. 10, the first distance increases from the first distance D1a to the first distance D1b and decreases to the first distance D1a from the one end to the other end of the retraction area PAa.
By adopting the display panel provided by the embodiment, for the setting of the inner shrinking area corresponding to the curved edge of the display panel, especially for the setting of the inner shrinking area corresponding to the arc-shaped convex edge of the display panel, because the middle part of the arc-shaped convex edge is more easily rubbed to generate static electricity, a larger first distance can be set at the middle part of the corresponding arc-shaped convex edge, namely the middle part of the inner shrinking area, and a smaller first distance is set at the two ends of the arc-shaped convex edge, namely the end part of the inner shrinking area, so that the degree of damage of the packaging metal caused by the static electricity can be changed, and the change of the first distance can be correspondingly set.
Fig. 11 is a partial enlarged view of a display panel according to still another embodiment of the present invention, and in an embodiment, as shown in fig. 11, the minimum radius of curvature of the second edge PM2 of the indented region PAa of the package metal PM is a first radius R1, and the minimum radius of curvature of the edge of the display panel corresponding to the indented region PAa is a second radius R2, wherein the first radius R1 is greater than the second radius R2.
Adopt the display panel that this embodiment provided, to the condition that the shrink-in area corresponds display panel's curve edge setting, set up the curvature radius that the encapsulation metal is close to the edge of display panel edge one side, be greater than the curvature radius of display panel's edge, the edge of the relative display panel's of edge of encapsulation metal edge is more gentle for the static that reaches encapsulation metal edge is dispersed, and is difficult to concentrate in encapsulation metal department, further promotes the ability of encapsulation metal anti-static damage ring.
Fig. 12 is a partial enlarged view of a display panel according to still another embodiment of the invention, in an embodiment, as shown in fig. 12, the display panel has a notch area NA, and the notch area NA has a shape of a segment of a circle, and a circle CR1 of the second edge PM2 of the retraction area PAa and a circle CR2 of the edge of the notch area NA are concentric circles. The shape of the notch area NA is a segment shape, which means that the edge of the notch area NA is a circular arc.
By adopting the display panel provided by the embodiment, the shape of the notch area is circular-segment-shaped, the probability of generating static electricity at each position of the edge of the notch area is the same, the size of the static electricity is the same, and the circle where the second edge of the packaging metal in the inward contraction area is located and the circle where the edge of the notch area is located are concentric circles, so that the minimum distance from each position of the second edge of the packaging metal in the inward contraction area to the edge of the notch area is equal, and the minimum distance is matched with the static electricity distribution generated by the notch area.
The above is an embodiment of the display panel provided by the present invention, and the present invention further provides a display device, where the display device includes any one of the display panels provided by the present invention, and has technical features and corresponding technical effects, which are not described herein again.
Fig. 13 is a schematic diagram of a display device according to an embodiment of the present invention, and in an embodiment, as shown in fig. 13, the display device includes a housing 200 and a display panel 100 located in the housing 200, where the display panel is any one of the display panels provided by the present invention.
As can be seen from the above embodiments, the display panel and the display device provided by the present invention at least achieve the following beneficial effects:
position department that extends along the curve at the encapsulation metal, set up the minimum distance that the edge of display area one side was kept away from to the display panel edge to the encapsulation metal, be greater than the position department that extends along the straight line at the encapsulation metal, the minimum distance of edge to display panel edge of display area one side is kept away from to the encapsulation metal, that is, to the position department that the encapsulation metal is punctureed by the static easily, it is great to make encapsulation metal to display panel edge messenger, promote the ability of the antistatic damage of this department, reduce the probability that curve encapsulation metal department is punctured by the static on the display panel, promote the display effect
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A display panel, comprising:
a display area and an encapsulation area surrounding the display area;
the packaging area comprises packaging metal, the packaging metal comprises a first edge close to the display area and a second edge far away from the display area, and the first edge and the second edge are oppositely arranged;
the packaging region comprises at least one inward shrinkage region and a plurality of non-inward shrinkage regions, the packaging metal extends along a curve in the inward shrinkage region and extends along a straight line in the non-inward shrinkage regions, the minimum distance from the second edge of the inward shrinkage region to the edge of the display panel is a first distance, the minimum distance from the second edge of the non-inward shrinkage region to the edge of the display panel is a second distance, and the first distance is greater than the second distance.
2. The display panel according to claim 1,
the line width of the packaging metal in the inward shrinkage region is a first line width, the line width of the packaging metal in the non-inward shrinkage region is a second line width, and the first line width is smaller than the second line width.
3. The display panel according to claim 2,
the minimum distance from any point on the first edge to the edge of the display panel is equal.
4. The display panel according to any one of claims 1 to 3,
the edge of the display panel corresponding to the retraction area is an arc-shaped convex edge of the display panel.
5. The display panel according to any one of claims 1 to 3,
the display panel further comprises a gap area;
the edge of the display panel corresponding to the retraction area comprises the edge of the gap area.
6. The display panel according to claim 1,
in each of the indented regions, the first distance increases and then decreases from one end of the indented region to the other end of the indented region.
7. The display panel according to claim 1,
the minimum curvature radius of the encapsulation metal at the second edge of the retraction area is a first radius, the minimum curvature radius of the edge of the display panel corresponding to the retraction area is a second radius, and the first radius is larger than the second radius.
8. The display panel according to claim 5,
the notch area is in a circular notch shape;
the circle of the second edge of the packaging metal in the retraction area and the circle of the edge of the gap area are concentric circles.
9. The display panel according to claim 1,
the first distance is greater than or equal to 10 micrometers and less than or equal to 500 micrometers, and the second distance is greater than or equal to 5 micrometers and less than or equal to 300 micrometers.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
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| CN201811452819.6A CN109411629B (en) | 2018-11-30 | 2018-11-30 | Display panel and display device |
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| CN201811452819.6A CN109411629B (en) | 2018-11-30 | 2018-11-30 | Display panel and display device |
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| US20210343812A1 (en) * | 2018-09-28 | 2021-11-04 | Sharp Kabushiki Kaisha | Display device |
| CN111489648B (en) * | 2020-05-08 | 2022-02-11 | 友达光电（昆山）有限公司 | Display panel, display device and manufacturing method thereof |
| CN114112324B (en) * | 2021-11-09 | 2024-04-26 | 合肥维信诺科技有限公司 | Display screen brightness uniformity testing method and testing device |
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| CN108766994B (en) * | 2018-06-20 | 2021-03-16 | 武汉天马微电子有限公司 | Organic light emitting display panel and organic light emitting display device |
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