CN111834427A - Display panel and display device - Google Patents
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- CN111834427A CN111834427A CN202010646068.2A CN202010646068A CN111834427A CN 111834427 A CN111834427 A CN 111834427A CN 202010646068 A CN202010646068 A CN 202010646068A CN 111834427 A CN111834427 A CN 111834427A
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- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
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- 241000949648 Angulus Species 0.000 description 1
- DWDGSKGGUZPXMQ-UHFFFAOYSA-N OPPO Chemical compound OPPO DWDGSKGGUZPXMQ-UHFFFAOYSA-N 0.000 description 1
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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
- H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
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- 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
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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
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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Abstract
The invention discloses a display panel and a display device, wherein the display panel comprises a first display area and a second display area surrounding the first display area; the display panel includes: a plurality of pixel structures and a wiring structure; in the second display area, the routing structure is a non-linear structure. The invention has the technical effects that the wiring structure in the bending display area is set to be a non-linear structure, so that the distance between the pixel structures is increased, the pixel density of the bending area is reduced, the stress borne by the bending area in the bending process is further reduced, and the service life of the display panel can be prolonged.
Description
Technical Field
The present invention relates to the field of display, and in particular, to a display panel and a display device.
Background
Along with the development of smart phones, the differentiation of smart phones is smaller and smaller, and each family wants to introduce new technologies including full-screen, camera under the screen, fingerprint under the screen, four curved surfaces, folding mobile phones and the like into the mobile phones of the family, the realization of the technologies needs the display screen to make corresponding changes, and the OLED is self-luminous, good in display effect, bendable and good in light transmittance, so that the OLED is popular in the market.
In the day, the OPPO externally releases a global first waterfall screen real machine on a microblog, the screen occupancy of the mobile phone almost reaches 100%, the screen curvature of the two sides of the mobile phone reaches nearly 90 degrees, the front screen directly extends to the back plate, and the screen occupancy of the whole screen is refreshed again. With respect to waterfall screens, also referred to in the industry as 3.5D glass, first appeared on the concept machine APEX 2019 of vivo.
From a vivo APEX concept machine to a zero-interface full screen of a vivo NEX and then to a vivo APEX 2019 full glass unibody scheme, the smart phone is evolving towards a higher screen occupation ratio and an integrated design direction.
The four-curved-surface mobile phone bends the four side surfaces of the display panel, the bending angle is close to 90 degrees, the display of the side edges and the corners can be realized, the appearance difference is larger than that of the existing mobile phone, and the corners of the panel have larger stress due to the large bending angle.
Disclosure of Invention
The invention aims to solve the technical problem that the bending area of the existing four-curved-surface display device has too large stress.
To achieve the above object, the present invention provides a display panel including: the display device comprises a first display area and a second display area surrounding the first display area, wherein the second display area is a bending area; the display panel includes: the pixel structures are distributed in the first display area and the second display area; the wiring structure is used for connecting the pixel structures; in the second display area, the routing structure is a non-linear structure.
Further, the second display area includes: the side area is arranged at the side of the first display area; the corner areas are arranged at the four corners of the display panel; the stress borne by the first display area is smaller than that borne by the side area, and the stress borne by the side area is smaller than that borne by the corner area.
Further, between the pixel structures in the bending region, the routing structure is a wave-shaped structure or a tooth-shaped structure.
Further, in the second display region, the wave-shaped structure has at least one half wave-shaped structure, and the number of half wave-shaped structures of the side region is less than or equal to the number of half wave-shaped structures of the corner region.
Further, in the second display area, the tooth-shaped structures have at least one tooth-shaped structure, and the number of the tooth-shaped structures of the side area is less than or equal to the number of the tooth-shaped structures of the corner area.
Furthermore, in the first display area, the wiring structure in the pixel structure is linear.
Further, the pixel density of the second display area is smaller than that of the first display area.
Further, in the second display region, the pixel density of the corner region is less than or equal to the pixel density of the side region.
Further, the bending angle of the second display area is 85-89 degrees.
To achieve the above object, the present invention further provides a display device including the display panel as described above.
The invention has the technical effects that the wiring structure in the bending display area is set to be a non-linear structure, so that the distance between the pixel structures is increased, the pixel density of the bending area is reduced, the stress borne by the bending area in the bending process is further reduced, and the service life of the display panel can be prolonged.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Fig. 1 is a perspective view of a display panel according to embodiment 1 or 2 of the present invention;
fig. 2 is a schematic view of the display panel according to embodiment 1 or 2 of the present invention before being bent;
fig. 3 is a schematic view of the first display region according to embodiment 1 or 2 of the present invention;
fig. 4 is a schematic view of a second display region according to embodiment 1 or 2 of the present invention;
fig. 5 is a schematic view of the corner region according to embodiment 2 of the present invention.
Some of the components are identified as follows:
1. a pixel structure; 2. a routing structure;
100. a first display area; 200. a second display area;
210. a side area; 220. a corner region.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Example 1
As shown in fig. 1 to 4, an embodiment of the present invention provides a display panel, which includes a first display area 100 and a second display area 200 surrounding the first display area 100. The display panel comprises a plurality of pixel structures 1 and a plurality of wiring structures 2.
The first display area 100 is a front display area and is also a main display area, i.e., a main screen when the user uses the display device.
The second display area 200 is a bending area, and is bent to the side and four corners of the first display area 100.
Fig. 1 shows a schematic diagram of the second display region 200 after being bent, and fig. 2 shows a schematic diagram of the second display region 200 before being bent.
The second display area 200 includes a side area 210 and a corner area 220, the side area 210 is bent to four upper, lower, left and right sides of the first display area 100, the corner area 220 is bent to four corners of the first display area 100, the side area 210 and the corner area 220 can both realize a display function, and the display device is suitable for the current popular curved screen display products.
In this embodiment, because the second display area 200 is a bending area, stress is generated during the bending process, and the bending angle of the second display area 200 is 85 to 89 °, which is close to 90 °, the stress on the second display area 200 is relatively large, the stress on the first display area 100 is less than the stress on the second display area 200, and the stress on the edge area 210 is less than the stress on the edge area 220 when the second display area 200 is open.
The pixel structures 1 are distributed in the first display area 100 and the second display area 200, and each pixel structure 1 includes four sub-pixels, and the sub-pixels are arranged in an array.
The wiring structure 2 is used for connecting the two pixel structures 1 and connecting the two sub-pixels in each pixel structure 1, the wiring structure 2 includes at least one of a gate wiring, a source wiring and a drain wiring, and the wiring structure 2 can drive the pixel structures 1 to emit light.
As shown in fig. 3, the routing structure 2 in the first display area 100 is a straight line structure, and a distance between any two sub-pixels or pixel structures 1 is small, so that a pixel density in the first display area 100 is high.
As shown in fig. 4, the routing structure 2 in the second display area 200 is a non-linear structure, and the non-linear structure includes a wave-shaped structure or a tooth-shaped structure, in this embodiment, the non-linear structure is exemplified by the tooth-shaped structure. The spacing between any two sub-pixels or pixel structures 1 is larger, so the pixel density in the second display area 200 is lower.
In the second display region 200, the wave-shaped structure has at least one half-wave structure, that is, the wave-shaped structure has at least one inflection point, and the number of half-wave structures of the side region 210 is equal to the number of half-wave structures of the side region 220, and each half-wave structure is a half-wave structure.
In the second display area 200, the tooth-like structure has at least one tooth-like structure, that is, the tooth-like structure has at least one inflection point, and the number of the tooth-like structures in the edge area 210 is equal to the number of the tooth-like structures in the edge area 220, and the tooth-like structures are all one tooth-like structure.
The distance between the pixel structures 1 in the first display area 100 is smaller than the distance between the pixel structures 1 in the second display area 200, so the pixel density of the first display area 100 is greater than the pixel density of the second display area 200, and the stress applied to the first display area 100 is also smaller than the stress applied to the second display area 200 during the bending process.
In the second display area 200, the distance between the pixel structures 1 in the edge area 210 is equal to the distance between the pixel structures 1 in the corner area 220, so the pixel density of the edge area 210 is equal to the pixel density of the corner area 220, and the stress applied to the edge area 210 during the bending process is also equal to the stress applied to the corner area 220 during the bending process.
Because the display panel in this embodiment has the display area that bends, so in the process of bending, inevitably, a larger stress is generated, because the larger the distance between the pixel structures in the display area is, the smaller the pixel density of the display area is, and meanwhile, in the process of bending, the smaller the stress it receives, so in this embodiment, the routing structure 2 in the second display area 200 is set to be a non-linear structure, the distance between the pixel structures 1 is increased, the pixel density of the second display area 200 is reduced, and then the stress that the second display area 200 receives in the process of bending is reduced, and the service life of the display panel can be prolonged.
This embodiment display panel's technical effect lies in, will buckle the interior line structure of walking of display area and set up to nonlinear structure, increases the interval between the pixel structure, reduces the pixel density in district of buckling, and then reduces its stress that receives at the in-process of buckling, can prolong display panel's life.
The present embodiment further provides a display device, which includes the display panel as described above, and may further include a back plate, a cover plate, a camera, and other components.
The technical effect of the display device is that the wiring structure in the bending display area is set to be a non-linear structure, the distance between the pixel structures is increased, the pixel density of the bending area is reduced, the stress applied to the display device in the bending process is reduced, and the service life of the display device can be prolonged.
Example 2
As shown in fig. 1 to 5, an embodiment of the present invention provides a display panel, which includes a first display area 100 and a second display area 200 surrounding the first display area 100. The display panel comprises a plurality of pixel structures 1 and a plurality of wiring structures 2.
The first display area 100 is a front display area and is also a main display area, i.e., a main screen when the user uses the display device.
The second display area 200 is a bending area, and is bent to the side and four corners of the first display area 100.
Fig. 1 shows a schematic diagram of the second display region 200 after being bent, and fig. 2 shows a schematic diagram of the second display region 200 before being bent.
The second display area 200 includes a side area 210 and a corner area 220, the side area 210 is bent to four upper, lower, left and right sides of the first display area 100, the corner area 220 is bent to four corners of the first display area 100, the side area 210 and the corner area 220 can both realize a display function, and the display device is suitable for the current popular curved screen display products.
In this embodiment, because the second display area 200 is a bending area, stress is generated during the bending process, and the bending angle of the second display area 200 is 85 to 89 °, which is close to 90 °, the stress on the second display area 200 is relatively large, the stress on the first display area 100 is less than the stress on the second display area 200, and the stress on the edge area 210 is less than the stress on the edge area 220 when the second display area 200 is open.
The pixel structures 1 are distributed in the first display area 100 and the second display area 200, and each pixel structure 1 includes four sub-pixels, and the sub-pixels are arranged in an array.
The wiring structure 2 is used for connecting the two pixel structures 1 and connecting the two sub-pixels in each pixel structure 1, the wiring structure 2 includes at least one of a gate wiring, a source wiring and a drain wiring, and the wiring structure 2 can drive the pixel structures 1 to emit light.
As shown in fig. 3, the routing structure 2 in the first display area 100 is a straight line structure, and a distance between any two sub-pixels or pixel structures 1 is small, so that a pixel density in the first display area 100 is high.
As shown in fig. 4 and fig. 5, the routing structure 2 in the second display area 200 is a non-linear structure, and the non-linear structure includes a wave-shaped structure or a tooth-shaped structure, in this embodiment, the non-linear structure is exemplified by the tooth-shaped structure. The spacing between any two sub-pixels or pixel structures 1 is larger, so the pixel density in the second display area 200 is lower.
As shown in fig. 4, in the side region 210, the wave-shaped structure has at least one half-wave structure, that is, the wave-shaped structure has at least one inflection point, the number of the half-wave structures of the side region 210 is less than that of the half-wave structures of the corner region 220, in this embodiment, the number of the half-wave structures of the side region 210 is one, and as shown in fig. 5, the number of the half-wave structures of the corner region 220 is two.
As shown in fig. 4, in the side region 210, the tooth-like structure has at least one tooth-like structure, that is, the tooth-like structure has at least one inflection point, the number of the tooth-like structures of the side region 210 is less than the number of the tooth-like structures of the corner region 220, in this embodiment, the number of the tooth-like structures of the side region 210 is one, and as shown in fig. 5, the number of the tooth-like structures of the corner region 220 is two.
The distance between the pixel structures 1 in the first display area 100 is smaller than the distance between the pixel structures 1 in the second display area 200, so the pixel density of the first display area 100 is greater than the pixel density of the second display area 200, and the stress applied to the first display area 100 is also smaller than the stress applied to the second display area 200 during the bending process.
In the second display area 200, the distance between the pixel structures 1 in the edge side area 210 is smaller than the distance between the pixel structures 1 in the corner area 220, so the pixel density of the edge side area 210 is greater than that of the corner area 220, and the stress applied to the edge side area 210 during the bending process is also smaller than that applied to the corner area 220 during the bending process.
Because the display panel in this embodiment has the display area that bends, so in the process of bending, inevitably, a larger stress is generated, because the larger the distance between the pixel structures in the display area is, the smaller the pixel density of the display area is, and meanwhile, in the process of bending, the smaller the stress it receives, so in this embodiment, the routing structure 2 in the second display area 200 is set to be a non-linear structure, so as to increase the distance between the pixel structures 1, reduce the pixel density of the second display area 200, and further reduce the stress that the second display area 200 receives in the process of bending.
Further, in the embodiment, the distance between the pixel structures 1 in the corner area 220 is greater than the distance between the pixel structures 1 in the side area 210, and the pixel density of the corner area 220 is less than the pixel density of the side area 210, so that the stress applied to the side area 210 in the bending process is less than the stress applied to the corner area 220 in the bending process, and the service life of the display panel can be prolonged.
This embodiment display panel's technical effect lies in, the line structure of walking in the display area of will buckling sets up to nonlinear structure, increase the interval between the pixel structure, reduce the pixel density in bending area, and then reduce its stress that receives in bending process, furthermore, the interval between the corner district pixel structure is greater than the interval between the district pixel structure of avris in bending area, the pixel density in corner district is less than the pixel density of the district of edgewise, the stress that the district of edgewise receives in bending process is greater than the stress that the district of edgewise receives in bending process, the stress that has further reduced the corner district, can prolong display panel's life.
The present embodiment further provides a display device, which includes the display panel as described above, and may further include a back plate, a cover plate, a camera, and other components.
This embodiment display device's technical effect lies in, the line structure of walking in the display area of will buckling sets up to nonlinear structure, increase the interval between the pixel structure, reduce the pixel density in bending area, and then reduce its stress that receives in bending process, furthermore, the interval between the corner district pixel structure is greater than the interval between the district pixel structure of avris in bending area, the pixel density in corner district is less than the pixel density of the district of avris, the stress that the district of angulus received in bending process is greater than the stress that the district of avris received in bending process, the stress that has further reduced the corner district, can prolong display panel's life.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display panel and the display device provided by the embodiment of the present invention are described in detail above, and the principle and the embodiment of the present invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the technical solution and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A display panel, comprising: the display device comprises a first display area and a second display area surrounding the first display area, wherein the second display area is a bending area;
the display panel includes:
the pixel structures are distributed in the first display area and the second display area; and
the wiring structure is used for connecting the pixel structures;
in the second display area, the routing structure is a non-linear structure.
2. The display panel of claim 1, wherein the second display region comprises:
the side area is arranged at the side of the first display area; and
the corner areas are arranged at the four corners of the display panel;
the stress borne by the first display area is smaller than that borne by the side area, and the stress borne by the side area is smaller than that borne by the corner area.
3. The display panel according to claim 1 or 2,
and between the pixel structures of the bending area, the wiring structure is a wave-shaped structure or a tooth-shaped structure.
4. The display panel according to claim 3, wherein the wavy structure has at least one half-wavy structure in the second display region, and the number of half-wavy structures in the side region is less than or equal to the number of half-wavy structures in the corner region.
5. The display panel according to claim 3, wherein in the second display region, the tooth-shaped structures have at least one tooth-shaped structure, and the number of tooth-shaped structures of the edge region is less than or equal to the number of tooth-shaped structures of the corner region.
6. The display panel according to claim 1, wherein in the first display region, the wiring structure in the pixel structure is linear.
7. The display panel of claim 1,
the pixel density of the second display area is smaller than that of the first display area.
8. The display panel according to claim 2, wherein in the second display region, the pixel density of the corner region is less than or equal to the pixel density of the side region.
9. The display panel of claim 1,
the bending angle of the second display area is 85-89 degrees.
10. A display device comprising the display panel according to any one of claims 1 to 9.
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| CN202010646068.2A CN111834427A (en) | 2020-07-07 | 2020-07-07 | Display panel and display device |
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| CN112968039A (en) * | 2021-01-29 | 2021-06-15 | 武汉天马微电子有限公司 | Display screen and display device |
| CN113540192A (en) * | 2021-06-30 | 2021-10-22 | 武汉天马微电子有限公司 | Display panel and display device |
| WO2022151582A1 (en) * | 2021-01-12 | 2022-07-21 | 武汉华星光电半导体显示技术有限公司 | Stretchable display panel and display device |
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