CN109065571B - Display panel and electronic device - Google Patents
Display panel and electronic device Download PDFInfo
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- CN109065571B CN109065571B CN201810797010.0A CN201810797010A CN109065571B CN 109065571 B CN109065571 B CN 109065571B CN 201810797010 A CN201810797010 A CN 201810797010A CN 109065571 B CN109065571 B CN 109065571B
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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 provides a display panel and an electronic device, wherein the display panel comprises: a display area and a non-display area located at a periphery of the display area, the non-display area including a bending region; power lines including a first type power line and a second type power line, the first type power line and the second type power line being located in the bending region; wherein the plurality of transmission sections are arranged insulated within the bending region; according to the invention, by removing the fan-out routing between the display area and the bending area, part of the power supply line in the display area directly crosses the bending area, the distance between the display area and the bending area is reduced, and the lower frame of the display panel is further reduced.
Description
Technical Field
The present invention relates to the field of display, and in particular, to a display panel and an electronic device.
Background
In the display technology, an Organic Light-Emitting Diode (OLED) display has many advantages of being Light and thin, Emitting Light actively, fast in response speed, large in viewing angle, wide in color gamut, high in brightness, low in power consumption, and the like, and is gradually becoming a third generation display technology following the liquid crystal display. Compared with an LCD (Liquid crystal display), the OLED has the advantages of power saving, thinness and wide viewing angle, which is incomparable with the LCD. At present, the requirement for the fineness of the display, i.e. the resolution, is higher and higher, but the production of high-quality and high-resolution OLED display screens still faces many challenges.
With the development of display industry technology, users have higher and higher requirements on the design of the display panel, such as the design of a narrow bezel. In the prior art, the lower frame of the display panel is a distance from the bottom edge of the display area to the central axis of the bending area, and includes a relatively wide VDD trace and a data signal fanout line, so that the lower frame of the conventional display panel is relatively long.
Disclosure of Invention
The invention provides a display panel and an electronic device, and aims to solve the technical problem that a lower frame of an existing display panel is long.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the present invention provides a display panel, comprising:
a display area;
a non-display area located at a periphery of the display area, the non-display area including a bending region;
power supply lines including a first type power supply line and a second type power supply line in the bending region;
wherein the first type power line and the second type power line are arranged in an insulated manner in the bending area.
In the display panel of the invention, the first type power line includes at least one first voltage uniforming portion, and the first voltage uniforming portions are arranged at intervals in the bending region.
In the display panel of the invention, the second type power line includes at least one second voltage equalizing part, and the second voltage equalizing part is located at two sides of the first type power line.
In the display panel of the invention, the first power line and the second power line are arranged in different layers, and at least one insulating layer is arranged between the first power line and the second power line.
In the display panel of the present invention, the bending region includes a substrate and a flexible layer on the substrate;
the first type power line is arranged on one side, far away from the substrate, of the flexible layer, and the second type power line is arranged on one side, close to the substrate, of the flexible layer.
In the display panel of the present invention, the display region includes the substrate, a gate layer located on the substrate, a first source drain layer located on the gate, and a second source drain layer located on the first source drain layer;
the first type power line and the second source drain layer are arranged on the same layer, and the second type power line and the first source drain layer are arranged on the same layer.
In the display panel of the invention, the first power line is a Vdate signal line, and the second power line is a VDD signal line.
In the display panel of the present invention, the display panel further includes VSS signal lines extending from the display region to the non-display region;
the VSS signal line and the VDD signal line are arranged in an insulated mode.
In the display panel of the present invention, the display panel further includes a GOA signal line extending from the display area to the non-display area;
the GOA signal line is insulated from the VSS signal line, the Vdate signal line and the VDD signal line.
According to another aspect of the invention, an electronic device is also provided, which includes the display panel.
Has the advantages that: according to the invention, by removing the fan-out routing between the display area and the bending area, part of the power supply line in the display area directly crosses the bending area, the distance between the display area and the bending area is reduced, and the lower frame of the display panel is further reduced.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic plan view of a display panel according to the present invention;
fig. 2 is a film structure diagram of a display panel according to the present invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
Fig. 1 is a schematic plan view of a display panel according to the present invention, wherein the display panel includes a display area 10 and a non-display area 20 located at the periphery of the display area 10, and the non-display area 20 includes a bending area 30; wherein the display area 10 is used for displaying images.
The display panel further includes a power line extending from the display area 10 to the non-display area 20, the power line including a first portion located in the display area 10 and a second portion located in the non-display area 20; wherein the second portion comprises a first type power line and a second type power line within the bending region 30, and the first type power line 40 and the second type power line 50 are arranged on the bending region 30 in an insulated manner.
In the display panel of the present invention, the first-type power line 40 includes at least one first voltage uniforming portion 41, and the first voltage uniforming portions 41 are spaced apart in the bending region 30; as can be seen from fig. 1, there is a certain distance, and it can be understood that two adjacent first voltage uniforming portions 41 are juxtaposed and insulated in the bending region 30;
in the display panel of the present invention, the second type power line 50 includes at least one second voltage uniforming portion 501, and the second voltage uniforming portions 51 are disposed at both sides of the first type power line 40; it is understood that the number of the second voltage uniforming portions 51 is 2, which are formed at both sides of the first-type power supply line 40, and the number of the first voltage uniforming portions 41 is greater than the number of the second voltage uniforming portions 51.
In the present embodiment, the non-display area 20 includes a first area located on a side of the bending area 30 away from the display area 10, and a second area located between the display area 10 and the bend; the central line from the display area 10 to the bending area 30 is the lower frame of the display device, so that the width of the first area is reduced to achieve the design of a narrow frame.
In this embodiment, the power lines include a VDD signal line and a Vdate signal line, wherein the first type power line 40 includes the Vdate signal line, and the second type power line 50 includes the VDD signal line;
it is understood that the VDD signal line of the present invention includes a VDD voltage uniforming portion located at the bending region 30; the Vdate signal line of the present invention includes a Vdate voltage uniform part located at a bending region 30, the Vdate signal line extending from the display region 10 to the non-display region 20, the Vdate voltage uniform part passing directly across the bending region 30; in the embodiment of the present invention, the first power line 40 and the second power line 50 are disposed in different layers, and at least one insulating layer is disposed between the first power line 40 and the second power line 50 to isolate the short-circuit connection between the two power lines.
As shown in fig. 2, the display region 10 includes a substrate 301 and a thin film transistor layer on the substrate 301, where the thin film transistor layer includes a light-shielding layer, a buffer layer 302, an active layer 303, a first gate insulating layer 304, a gate layer 305, a second gate insulating layer 306, a first source/drain layer 307, an interlayer insulating layer 308, a second source/drain layer 309, and a planarization layer 310;
the raw material of the substrate 301 may be one of a glass substrate, a quartz substrate, a resin substrate, and the like; the buffer layer 302 is formed on the substrate 301, and is mainly used for buffering the pressure between the film layered structures, and also has a certain function of blocking water and oxygen; the active layer 303 is formed on the buffer layer 302, the active layer 303 including an ion-doped region;
the first gate insulating layer 304 is formed on the active layer 303, the first gate insulating layer 304 covers the active layer 303, and the first gate insulating layer 304 is mainly used for isolating the active layer 303 from a metal layer on the active layer 303;
the gate layer 305 is formed on the first insulating layer 304, i.e. a first metal layer, and the metal material of the gate layer 305 may be molybdenum, aluminum-nickel alloy, molybdenum-tungsten alloy, chromium, or copper, or a combination thereof; preferably, in this embodiment, the metal material of the gate layer 305 is molybdenum;
a second gate insulating layer 306 is formed on the gate layer 305, and the second gate insulating layer 306 is mainly used for isolating the gate layer 305 from the first source/drain layer 307; preferably, the material of the first gate insulating layer 304 and the second gate insulating layer 306 is typically silicon nitride, and silicon oxide, silicon oxynitride, or the like can be used;
the first source drain layer 307, i.e., a second metal layer, is formed on the second gate insulating layer 306;
the inter-insulating layer 308 is formed on the first source drain layer 307, and the inter-insulating layer 308 covers the first source drain layer 307 and is mainly used for isolating the first source drain layer 307 from the second source drain layer 309; preferably, the material of the interlayer insulating layer 308 may be the same as the first gate insulating layer 304 and the second gate insulating layer 306;
the second source drain layer 309, that is, the third metal layer, is formed on the inter-insulating layer 308, and the metal material of the second source drain layer 309 may generally adopt metals such as molybdenum, aluminum-nickel alloy, molybdenum-tungsten alloy, chromium, copper, or titanium-aluminum alloy, and may also use a combination of these metal materials; preferably, in this embodiment, the metal material of the first source drain layer 307 and the second source drain layer 309 is titanium-aluminum alloy;
and a planarization layer 310 formed on the second source/drain layer 309 to ensure the flatness of the film structure of the array substrate.
Compared with the prior art, the second metal layer (also called as a second gate layer) in the prior art is replaced by the first source drain layer, namely the metal material of the original metal layer is replaced to form the first source drain layer;
in the prior art, when a data signal received by the second metal layer is transmitted from the display region 10 to the driver chip, a wire-changing operation needs to be performed in the bending region to change the wire of the second metal layer (gate layer) into a third metal layer (source-drain layer); it can be understood that, because the metal material of the existing gate layer is generally molybdenum metal, the metal material of the source drain layer is titanium aluminum titanium, and the metal flexibility of the titanium aluminum titanium is not easy to break when being bent due to molybdenum, when the data line is transmitted to a bending area, the line needs to be changed again to the source drain layer with better metal flexibility; after the data line passes through the bending area, the line is changed to the grid layer again;
in the display panel of the present invention, the bending region 30 includes the substrate 301 and a flexible layer 311 on the substrate 301; it can be understood that the first type power line 40 and the second type power line 50 are located on the substrate 301 of the bending region 30, that is, the first type power line 40 and the second source drain layer 309 are disposed in the same layer, and the second type power line 50 and the first source drain layer 307 are disposed in the same layer; the first type power line 40 is disposed on a side of the flexible layer 311 away from the substrate 301, and the second type power line 50 is disposed on a side of the flexible layer 311 close to the substrate 301.
In the inventive display panel, the second-type power line 50 is disposed between the flexible layer 311 and the substrate 301, and is layered with the first-type power line 40, that is, signal transmission is performed in a layered manner, which not only avoids the risk of short circuit, but also avoids signal crosstalk between VDD and Vdate signal lines.
As shown in fig. 1, the display panel further includes a VSS signal line 60, where the VSS signal line 60 is disposed outside the non-display region 20, i.e., near an outer frame of the display panel; the VSS signal lines 60 extend from the display region 10 to the driving chip 70 through the bending region 30;
it can be understood that the VSS signal line 60 and the Vdate signal line (i.e., the first-type power line 40) are disposed on the same layer, that is, the VSS signal line 60 and the Vdate signal line as well as the source and drain in the display panel are the same metal layer; preferably, the VSS signal line 60 and the Vdate signal line in this embodiment are made of titanium aluminum titanium;
since the VSS signal line 60 and the Vdate signal line are made of the same metal layer, the VSS signal line 60 and the VDD signal line (i.e., the second-type power line 50) need to be insulated when the display panel is arranged in a flat line.
As shown in fig. 1, the display panel further includes a GOA signal line 80, wherein the GOA signal line 80 is formed at two sides of the display panel, i.e. between the display region 10 and the VSS signal line 60; wherein the GOA signal lines 80 extend from the display region 10 to the non-display region 20, it can be understood that the GOA signal lines 80 are disposed in the same layer as the VSS signal lines 60, the Vdate signal lines, and the VDD signal lines in the bending region 30; the GOA signal line 80 is insulated from the VSS signal line 60, the Vdate signal line, and the VDD signal line.
Compared with the prior art, the invention adopts the structural design of the double-layer source drain layer, does not need the photomask process of the second grid, the passivation layer and the first flat layer, and saves the cost; the fan-out routing in the existing second area is removed, the width in the second area is reduced, namely the distance between the display area and the bending area is reduced, and the design of a narrow frame is realized.
The display panel is characterized by further comprising a touch layer, a polarizing layer and a cover plate layer which are sequentially arranged on the display panel, wherein the packaging layer is bonded with the touch layer through a first optical adhesive layer, and the polarizing layer is bonded with the cover plate layer through a second optical adhesive layer.
The invention further provides an electronic device, which includes the display panel, and the working principle of the electronic device are similar to the working principle of the display panel, and the working principle of the electronic device can specifically refer to the working principle of the display panel, which is not described herein again.
The invention provides a display panel and an electronic device, wherein the display panel comprises: a display area and a non-display area located at a periphery of the display area, the non-display area including a bending region; power lines including a first type power line and a second type power line, the first type power line and the second type power line being located in the bending region; wherein the plurality of transmission sections are arranged insulated within the bending region; according to the invention, by removing the fan-out routing between the display area and the bending area, part of the power supply line in the display area directly crosses the bending area, the distance between the display area and the bending area is reduced, and the lower frame of the display panel is further reduced.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (6)
1. A display panel, comprising:
a display area;
a non-display area located at a periphery of the display area, the non-display area including a bending region;
power supply lines including a first type power supply line and a second type power supply line in the bending region;
wherein the first type power line and the second type power line are arranged in an insulated manner in the bending area;
the first type power line comprises at least one first voltage uniform part, and the first voltage uniform parts are arranged at intervals in the bending area;
the second type power line comprises at least one second voltage uniform part, and the second voltage uniform parts are positioned at two sides of the first type power line;
the first power line and the second power line are arranged in different layers, and at least one insulating layer is arranged between the first power line and the second power line;
the display area comprises a substrate, a grid layer positioned on the substrate, a first source drain layer positioned on the grid, and a second source drain layer positioned on the first source drain layer;
the first type power line and the second source drain layer are arranged on the same layer, and the second type power line and the first source drain layer are arranged on the same layer.
2. The display panel of claim 1, wherein the bending region comprises a substrate and a flexible layer on the substrate;
the first type power line is arranged on one side, far away from the substrate, of the flexible layer, and the second type power line is arranged on one side, close to the substrate, of the flexible layer.
3. The display panel according to claim 1, wherein the first type power line is a Vdate signal line, and the second type power line is a VDD signal line.
4. The display panel according to claim 3, wherein the display panel further comprises VSS signal lines extending from the display area to the non-display area;
the VSS signal line and the VDD signal line are arranged in an insulated mode.
5. The display panel according to claim 4, further comprising a GOA signal line extending from the display region to the non-display region;
the GOA signal line is insulated from the VSS signal line, the Vdate signal line and the VDD signal line.
6. An electronic device characterized in that the electronic device comprises the display panel according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797010.0A CN109065571B (en) | 2018-07-19 | 2018-07-19 | Display panel and electronic device |
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| CN201810797010.0A CN109065571B (en) | 2018-07-19 | 2018-07-19 | Display panel and electronic device |
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| CN109065571A CN109065571A (en) | 2018-12-21 |
| CN109065571B true CN109065571B (en) | 2021-06-25 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11144170B2 (en) | 2018-12-17 | 2021-10-12 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and display module |
| CN109448570A (en) * | 2018-12-17 | 2019-03-08 | 武汉华星光电半导体显示技术有限公司 | Display panel and display module |
| CN109872632A (en) * | 2019-03-20 | 2019-06-11 | 武汉华星光电技术有限公司 | Array substrate |
| CN110600506B (en) * | 2019-08-21 | 2022-08-23 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN111106130A (en) * | 2019-12-12 | 2020-05-05 | 武汉华星光电半导体显示技术有限公司 | Array substrate and preparation method thereof |
| CN113342209B (en) * | 2021-06-25 | 2023-05-02 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN113589972B (en) * | 2021-08-19 | 2023-06-23 | 业成科技（成都）有限公司 | LED screen display structure and LED display unit set thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120162053A1 (en) * | 2010-12-24 | 2012-06-28 | Hyun-Ho Lee | Organic light emitting diode display device and fabrication method thereof |
| CN107331294A (en) * | 2017-06-30 | 2017-11-07 | 厦门天马微电子有限公司 | Display panel and display device |
| CN108010449A (en) * | 2017-11-30 | 2018-05-08 | 武汉天马微电子有限公司 | A kind of display panel and preparation method thereof, display device |
| CN108109529A (en) * | 2013-12-31 | 2018-06-01 | 乐金显示有限公司 | Display device |
-
2018
- 2018-07-19 CN CN201810797010.0A patent/CN109065571B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120162053A1 (en) * | 2010-12-24 | 2012-06-28 | Hyun-Ho Lee | Organic light emitting diode display device and fabrication method thereof |
| CN108109529A (en) * | 2013-12-31 | 2018-06-01 | 乐金显示有限公司 | Display device |
| CN107331294A (en) * | 2017-06-30 | 2017-11-07 | 厦门天马微电子有限公司 | Display panel and display device |
| CN108010449A (en) * | 2017-11-30 | 2018-05-08 | 武汉天马微电子有限公司 | A kind of display panel and preparation method thereof, display device |
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