CN111415971A - Display panel - Google Patents
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- Publication number
- CN111415971A CN111415971A CN202010342879.3A CN202010342879A CN111415971A CN 111415971 A CN111415971 A CN 111415971A CN 202010342879 A CN202010342879 A CN 202010342879A CN 111415971 A CN111415971 A CN 111415971A
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- China
- Prior art keywords
- layer
- metal
- metal layer
- display panel
- lines
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010410 layer Substances 0.000 claims abstract description 163
- 239000002184 metal Substances 0.000 claims abstract description 122
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 11
- 230000004888 barrier function Effects 0.000 claims description 15
- 239000010409 thin film Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 2
- 229920001621 AMOLED Polymers 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- 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 present invention provides a display panel, comprising: the device comprises a substrate, a protective layer, a dielectric layer and a fan-out line. The fan-out lines of the fan-out area are arranged into segments, and all metal segments are connected through the bridging lines, so that a continuous and fluctuant structure is formed, the bending stress can be reduced when the panel is folded, and the stability of the display panel is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel.
Background
In a panel structure of an Active-matrix organic light-emitting diode (AMO L ED), a panel is bent from a former SF (solid state bend) to a DF (dynamic bend) to a current cross-folding technology, and the cross-folding belongs to a new technology at the front.
In the folding display panel in the prior art, the display area is connected with the driving chip through fan-out wiring, and the same-layer wiring is generally designed, so that the display area is easy to break when being folded, and the picture display is influenced. This becomes a problem to be solved.
Disclosure of Invention
The invention aims to provide a display panel which can solve the problem of poor bending stress of routing wires in a fan-out area.
In order to achieve the above object, the present invention provides a display panel including: the display device comprises a substrate, a first substrate and a second substrate, wherein the substrate is provided with a display area and a non-display area, and the non-display area comprises a fan-out area; the protective layer is arranged on the substrate; the dielectric layer is arranged on the protective layer, the dielectric layer comprises a plurality of thin film transistors which are arranged in an array mode in the display area, and a plurality of fan-out lines are arranged in the dielectric layer in the fan-out area and are used for being connected with the substrate; the fan-out line comprises a plurality of metal segments and bridging lines, and a gap is formed between every two adjacent metal segments; the bridging lines are arranged in parallel with the metal segments, and the bridging lines connect the adjacent metal segments.
Further, the dielectric layer includes: an active layer; the first insulating layer is arranged on the active layer and the protective layer; the first metal layer is arranged on the first insulating layer; the second insulating layer is arranged on the first metal layer and the first insulating layer; the second metal layer is arranged on the second insulating layer; the third insulating layer is arranged on the second metal layer and the second insulating layer; the third metal layer is arranged on the third insulating layer; and the planarization layer is arranged on the third metal layer and the third insulating layer.
Further, the metal segments are formed in the first metal layer, and the bridge lines are formed in the second metal layer; or, the metal segments are formed in the first metal layer, and the bridge connection lines are formed in the third metal layer; or, the metal segments are formed in the second metal layer, and the bridge connection lines are formed in the third metal layer; or, the metal segments are formed in the second metal layer, and the bridge connection lines are formed in the first metal layer; or, the metal segments are formed in the third metal layer, and the bridge connection lines are formed in the first metal layer; or, the metal segments are formed in the third metal layer, and the bridge lines are formed in the second metal layer.
Furthermore, adjacent metal segments are sequentially formed in the first metal layer and the second metal layer, and the bridge connection line is formed in the third metal layer; or, adjacent metal segments are sequentially formed in the second metal layer and the third metal layer, and the bridge connection line is formed in the first metal layer.
Furthermore, the fan-out lines are distributed in a divergent mode at one end close to the display area and distributed in a centralized mode at one end far away from the display area.
Furthermore, one end of the fanout line, which is far away from the display area, is connected with a driving chip.
Furthermore, the distance between adjacent fanout lines is 0.5-1.5 um; the gap width is 3 ~ 4 um.
Further, the protective layer includes: a first flexible substrate; the first barrier layer is arranged on the first flexible substrate; a second flexible substrate disposed on the barrier layer; the second barrier layer is arranged on the second flexible substrate; and the buffer layer is arranged on the second barrier layer.
Further, the display panel is a cross-folded display panel and is provided with a long side and a short side, and both the long side and the short side can be bent.
Further, the bending angle of the long side is 90-150 degrees.
The invention has the beneficial effects that: according to the invention, the fan-out lines of the fan-out area are arranged into segments, and the metal segments are connected through the bridging line, so that a continuous and fluctuant structure is formed, the bending stress can be reduced when the panel is folded, and the stability of the display panel is improved.
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 schematic plan view of a display panel provided in the present invention.
Fig. 2 is a schematic structural diagram of a display panel provided in the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of a fanout line provided in the present invention.
Fig. 4 is a schematic structural diagram of the protective layer provided by the present invention.
Fig. 5 is a schematic structural diagram of an embodiment of a fanout line provided in the present invention.
Fig. 6 is a schematic structural diagram of an embodiment of a fanout line provided in the present invention.
Fig. 7 is a schematic structural diagram of an embodiment of a fanout line provided in the present invention.
Fig. 8 is a schematic structural diagram of an embodiment of a fanout line provided in the present invention.
Fig. 9 is a schematic structural diagram of an embodiment of a fanout line provided in the present invention.
Fig. 10 is a schematic structural diagram of an embodiment of a fanout line provided in the present invention.
Fig. 11 is a schematic structural diagram of an embodiment of a fanout line provided in the present invention.
Fig. 12 is a schematic view of a display panel bending structure provided by the present invention.
A display panel 100;
a substrate 101; a protective layer 102; a dielectric layer 150;
a display area 110; a non-display area 120; a fan-out region 130;
a fanout line 131; a metal segment 1301; a bridge line 1302;
an active layer 21; a first insulating layer 103; a first metal layer 22;
a second insulating layer 104; a second metal layer 23; a third insulating layer 105;
a third metal layer 24; a planarization layer 106; a first flexible substrate 1021;
a first barrier layer 1022; a second flexible substrate 1023; a second barrier layer 1024;
a buffer layer 1025.
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, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any 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 stated or limited, the terms "integrated," "connected," and "connected" may be directly connected or indirectly connected through an intermediate, or may be a connection between two elements or an interaction relationship between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
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.
As shown in fig. 1 and 2, the present invention provides a display panel 100, including: substrate 101, protective layer 102, dielectric layer 150.
The substrate 101 has a display area 110 and a non-display area 120, and the non-display area 120 includes a fan-out area 130.
The protective layer 102 is disposed on the substrate 101.
The dielectric layer 150 is disposed on the protective layer 102, in the display region 110, the dielectric layer 150 includes a plurality of thin film transistors arranged in an array, in the fan-out region 130, a plurality of fan-out lines 131 are disposed in the dielectric layer 150, and the fan-out lines 131 are used for connecting the substrate 101.
The fanout line 131 comprises a plurality of metal segments 1301 and a bridging line 1302, and a gap is formed between every two adjacent metal segments 1301.
The bridge threads 1302 are arranged parallel to the metal segments 1301 and correspond to the gaps, and the bridge threads 1302 connect the adjacent metal segments 1301.
The fan-out lines 131 of the fan-out region 130 are arranged into segments, and the metal segments 1301 are connected through the bridge line 1302, so that a continuous and undulating structure (as shown in fig. 3) is formed, so that the bending stress can be reduced when the panel is folded, and the stability of the display panel 100 is improved.
As shown in fig. 4, the protective layer 102 includes: a first flexible substrate 1021, a first barrier layer 1022, a second flexible substrate 1023, a second barrier layer 1024, and a buffer layer 1025.
The first flexible substrate 1021 is made of polyimide. The first barrier layer 1022 is disposed on the first flexible substrate 1021.
The second flexible substrate 1023 is provided on the barrier layer; the second barrier layer 1024 is disposed on the second flexible substrate 1023; the buffer layer 1025 is disposed on the second blocking layer 1024.
With continued reference to fig. 2, the dielectric layer 150 includes: an active layer 21, a first insulating layer 103, a first metal layer 22, a second insulating layer 104, a second metal layer 23, a third insulating layer 105, a third metal layer 24, and a planarization layer 106.
The first insulating layer 103 is disposed on the active layer 21 and the protection layer 102. The first metal layer 22 is disposed on the first insulating layer 103.
The second insulating layer 104 is disposed on the first metal layer 22 and the first insulating layer 103; the second metal layer 23 is disposed on the second insulating layer 104; the third insulating layer 105 is disposed on the second metal layer 23 and the second insulating layer 104; the third metal layer 24 is disposed on the third insulating layer 105; the planarization layer 106 is disposed on the third metal layer 24 and the third insulating layer 105.
The layered structure of the bridge line 1302 and the metal segment 1301 of the present invention has various options, and is mainly formed by routing in the first metal layer 22, the second metal layer 23 or the third metal layer 24.
In one embodiment, the metal segment 1301 is formed in the first metal layer 22, and the bridge line 1302 is formed in the third metal layer 24 (as shown in fig. 3 and 2).
In one embodiment, as shown in fig. 5 and 2, the metal segment 1301 is formed in the second metal layer 23, and the bridge line 1302 is formed in the third metal layer 24.
In one embodiment, as shown in fig. 6 and 2, the metal segment 1301 is formed in the first metal layer 22, and the bridge line 1302 is formed in the second metal layer 23.
In one embodiment, as shown in fig. 7 and 2, the metal segment 1301 is formed in the second metal layer 23, and the bridge line 1302 is formed in the first metal layer 22.
In one embodiment, as shown in fig. 8 and 2, the metal segment 1301 is formed in the third metal layer 24, and the bridge line 1302 is formed in the first metal layer 22.
In one embodiment, as shown in fig. 9 and 2, the metal segment 1301 is formed in the third metal layer 24, and the bridge line 1302 is formed in the second metal layer 23.
In one embodiment, as shown in fig. 10 and fig. 2, adjacent metal segments 1301 are sequentially formed in the first metal layer 22 and the second metal layer 23, and the bridge line 1302 is formed in the third metal layer 24.
In one embodiment, as shown in fig. 11 and fig. 2, adjacent metal segments 1301 are sequentially formed in the second metal layer 23 and the third metal layer 24, and the bridge line 1302 is formed in the first metal layer 22.
The fanout lines 131 are distributed in a divergent manner at one end close to the display area 110, and are distributed in a centralized manner at one end far from the display area 110.
One end of the fanout line 131 far away from the display area 110 is connected to a driving chip. The distance between adjacent fanout lines 131 is 0.5-1.5 um; the gap width is 3 ~ 4 um.
As shown in fig. 12 and fig. 1, the display panel 100 of the present invention is a foldable display panel, and both the long side 301 and the short side 302 of the display panel 100 can be bent. When one long side 301 is bent, the bending angle of the long side is 90-150 degrees.
When the long side 301 is bent, a virtual keyboard area is generated, the distance between adjacent keys is less than 13.4mm, and the height of each key is 6 mm. The width of the bending region 310 in the display region 110 is 9.42mm, and the width of the corresponding bending region of the driving IC is 5 mm. The length of the display area 110 is 16mm, the distance from a to the upper edge of the bending area 310 is 8.3mm, and the distance from B to C is 24 mm.
The present invention has been described in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the technical scheme 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 substrate, a first substrate and a second substrate, wherein the substrate is provided with a display area and a non-display area, and the non-display area comprises a fan-out area;
the protective layer is arranged on the substrate;
the dielectric layer is arranged on the protective layer and comprises a plurality of thin film transistors which are arranged in an array mode in the display area; in the fan-out region, a plurality of fan-out lines are arranged in the dielectric layer,
the fan-out line is used for connecting the substrate;
the fan-out line comprises a plurality of metal segments and bridging lines, and a gap is formed between every two adjacent metal segments;
the bridging lines are arranged in parallel with the metal segments and correspond to the gaps, and the adjacent metal segments are connected through the bridging lines.
2. The display panel of claim 1,
the dielectric layer includes:
an active layer;
the first insulating layer is arranged on the active layer and the protective layer;
the first metal layer is arranged on the first insulating layer;
the second insulating layer is arranged on the first metal layer and the first insulating layer;
the second metal layer is arranged on the second insulating layer;
the third insulating layer is arranged on the second metal layer and the second insulating layer;
the third metal layer is arranged on the third insulating layer;
and the planarization layer is arranged on the third metal layer and the third insulating layer.
3. The display panel of claim 2,
the metal segments are formed in the first metal layer, and the bridge lines are formed in the second metal layer; or the like, or, alternatively,
the metal segments are formed in the first metal layer, and the bridge lines are formed in the third metal layer; or the like, or, alternatively,
the metal segments are formed in the second metal layer, and the bridge lines are formed in the third metal layer; or the like, or, alternatively,
the metal segments are formed in the second metal layer, and the bridge lines are formed in the first metal layer; or the like, or, alternatively,
the metal segments are formed in the third metal layer, and the bridge lines are formed in the first metal layer; or the like, or, alternatively,
the metal segments are formed in the third metal layer and the bridge lines are formed in the second metal layer.
4. The display panel of claim 2,
adjacent metal segments are sequentially formed in the first metal layer and the second metal layer, and the bridging line is formed in the third metal layer; or the like, or, alternatively,
adjacent metal segments are sequentially formed in the second metal layer and the third metal layer, and the bridge connection line is formed in the first metal layer.
5. The display panel of claim 1,
the fan-out lines are distributed in a divergent mode at one end close to the display area and in a centralized mode at one end far away from the display area.
6. The display panel of claim 5,
one end of the fanout line, which is far away from the display area, is connected with a driving chip.
7. The display panel of claim 1,
the distance between adjacent fanout lines is 0.5-1.5 um;
the gap width is 3 ~ 4 um.
8. The display panel of claim 1,
the protective layer includes:
a first flexible substrate;
the first barrier layer is arranged on the first flexible substrate;
a second flexible substrate disposed on the barrier layer;
the second barrier layer is arranged on the second flexible substrate;
and the buffer layer is arranged on the second barrier layer.
9. The display panel of claim 1,
the display panel is a cross-shaped folding display panel and is provided with a long edge and a short edge, and the long edge and the short edge can be bent.
10. The display panel of claim 9,
the bending angle of the long edge is 90-150 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010342879.3A CN111415971A (en) | 2020-04-27 | 2020-04-27 | Display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010342879.3A CN111415971A (en) | 2020-04-27 | 2020-04-27 | Display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111415971A true CN111415971A (en) | 2020-07-14 |
Family
ID=71493753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010342879.3A Pending CN111415971A (en) | 2020-04-27 | 2020-04-27 | Display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111415971A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190012031A1 (en) * | 2017-07-10 | 2019-01-10 | Samsung Display Co., Ltd. | Flexible organic light emitting display device and method of manufacturing the same |
| CN109887972A (en) * | 2019-02-27 | 2019-06-14 | 武汉华星光电半导体显示技术有限公司 | Array substrate and display device with the array substrate |
-
2020
- 2020-04-27 CN CN202010342879.3A patent/CN111415971A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190012031A1 (en) * | 2017-07-10 | 2019-01-10 | Samsung Display Co., Ltd. | Flexible organic light emitting display device and method of manufacturing the same |
| CN109244105A (en) * | 2017-07-10 | 2019-01-18 | 三星显示有限公司 | Flexible organic light-emitting display device and its manufacturing method |
| CN109887972A (en) * | 2019-02-27 | 2019-06-14 | 武汉华星光电半导体显示技术有限公司 | Array substrate and display device with the array substrate |
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| PB01 | Publication | ||
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Application publication date: 20200714 |