CN111180609A - Display panel and display device thereof - Google Patents
Display panel and display device thereof Download PDFInfo
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- CN111180609A CN111180609A CN202010010857.7A CN202010010857A CN111180609A CN 111180609 A CN111180609 A CN 111180609A CN 202010010857 A CN202010010857 A CN 202010010857A CN 111180609 A CN111180609 A CN 111180609A
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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
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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
- H10K50/85—Arrangements for extracting light from the devices
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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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses a display panel and a display device thereof. The display panel includes anti-cracking zone, the anti-cracking zone includes: a through hole sequentially penetrating through the interlayer insulating layer, the gate insulating layer and the buffer layer; and an organic layer filling the through hole. According to the invention, the through hole is formed in the inorganic layer of the anti-cracking area, and then the organic material is filled into the through hole to form the organic layer, so that cracks generated when the display panel is cut or tested are prevented from diffusing into the panel along the inorganic layer through the organic layer, the abnormal display phenomenon of the display panel is avoided, 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 and a display device thereof.
Background
Organic Light-Emitting display devices (also called Organic Light-Emitting diodes, abbreviated as OLEDs) are also called Organic electroluminescent display devices and Organic Light-Emitting semiconductors. The working principle of the OLED is as follows: when power is supplied to a proper voltage, positive holes and cathode charges are combined in the light-emitting layer and are recombined to form excitons (electron-hole pairs) in an excited state at a certain probability under the action of coulomb force, the excited state is unstable in a normal environment, the excitons in the excited state are recombined and transfer energy to the light-emitting material, so that the light-emitting material is transited from a ground state energy level to the excited state, the excited state energy generates photons through a radiation relaxation process, light energy is released, brightness is generated, and three primary colors of red, green and blue RGB are generated according to different formulas to form basic colors.
The OLED has the advantages of low voltage requirement, high power saving efficiency, fast response, light weight, thin thickness, simple structure, low cost, wide viewing angle, almost infinite contrast, low power consumption, extremely high response speed, and the like, and has become one of the most important display technologies today.
The AMOLED structure is composed of an array substrate and a luminescent material arranged on the array substrate; the array substrate may be exposed to the outside frequently, and when the array substrate is cut or subjected to other tests, many cracks are inevitably generated; these cracks may propagate along the inorganic layer at the edge of the panel into the light-emitting region, eventually causing display abnormality of the display panel. Therefore, a new display panel is required to prevent crack propagation.
Disclosure of Invention
An object of the present invention is to provide a display panel, which can absorb the reflection of metal in the display panel and reduce the reflectivity of the display panel, thereby improving the contrast of the liquid crystal display and enhancing the experience of customers.
In order to solve the above problems, the present invention provides a display panel including an anti-crack region, the anti-crack region including: a substrate; a buffer layer disposed on the substrate; a gate insulating layer disposed on the buffer layer; an interlayer insulating layer disposed on the gate insulating layer; a through hole sequentially penetrating through the interlayer insulating layer, the gate insulating layer and the buffer layer; and an organic layer filling the through hole.
Further, wherein the anti-crack region further comprises: a gate electrode layer disposed on the gate insulating layer; the interlayer insulating layer covers the grid electrode layer and extends to the grid electrode insulating layer; and the source drain layer is arranged on the interlayer insulating layer.
Further, wherein the anti-crack region further comprises: a metal wiring layer disposed between the gate insulating layer and the interlayer insulating layer; a planarization layer disposed on the interlayer insulating layer.
Further, wherein the anti-crack region further comprises: a planarization layer disposed on the interlayer insulating layer.
Further, the through hole also penetrates through the flat layer.
Further, the display panel defines a left end and a right end corresponding thereto, and an upper end and a lower end corresponding thereto, and further includes: at least two GOA areas respectively arranged at the left end and the right end of the display panel; a display area disposed between the two GOA areas; the bending area is arranged at the lower ends of the display area and the two GOA areas; at least two Cell test areas which are respectively arranged at the left end and the right end of one side of the bending area far away from the GOA area; the Cell test areas are correspondingly connected to the GOA areas through first leads respectively; the bonding area is arranged between the two Cell test areas on one side of the bending area, which is far away from the GOA area, and is connected to the display area through a second lead; the Array test area is correspondingly arranged on one side, away from the bending area, of the bonding area and is connected to the bonding area through a third lead; and at least two secondary corner cutting areas which are respectively arranged at the left end and the right end of the second lead.
Further wherein the crack control zone comprises one or more of the bonding zone, Cell test zone, dihedral corner zone.
Further, the material of the organic layer includes one or more of ODH and resin.
An object of the present invention is to provide a display device, which can absorb the reflection of metal in a display panel and reduce the reflectivity of the display panel, thereby improving the contrast of a liquid crystal display and enhancing the experience of customers.
In order to solve the above problems, the present invention provides a display device including the display panel according to the present invention.
Further, the display device further comprises: and the packaging layer is arranged on the display panel.
The invention has the advantages that: the invention relates to a display panel and a display device thereof.A through hole is formed in an inorganic layer of an anti-cracking area, then an organic material is filled in the through hole to form an organic layer, cracks generated when the display panel is cut or tested are prevented from diffusing into the panel along the inorganic layer through the organic layer, the display abnormal phenomenon of the display panel is avoided, and the stability of the display panel is improved.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
FIG. 1 is a schematic plane view of a display panel according to the present invention.
Fig. 2 is an enlarged view of a portion of the Cell test region of fig. 1.
Fig. 3 is a cross-sectional view of the Cell test area of fig. 1.
FIG. 4 is an enlarged view of a portion of the bonding area and Array test area of FIG. 1.
FIG. 5 is a cross-sectional view of the bonding area of FIG. 1.
Fig. 6 is a cross-sectional view of the double-cut corner region of fig. 1.
The components in the figure are identified as follows:
100. display panel
101. Left end 102, right end
103. Upper end 104, lower end
1. GOA area 2, display area
3. Bending zone 4, Cell test zone
5. Bonding area 6, Array test area
7. Two-cut corner region 8, cutting line
41. First laminated metal plate 42, first metal wiring
9. Organic layer 10 and substrate
11. Buffer layer 12, gate insulating layer
13. Gate electrode layer 14, interlayer insulating layer
15. Source drain layer 16, via
17. Metal routing layer 18, planar layer
51. Second laminated metal plate 52, second metal trace
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to make and use the present invention in a complete manner, and is provided for illustration of the technical disclosure of the present invention so that the technical disclosure of the present invention will be more clearly understood and appreciated by those skilled in the art how to implement the present invention. The present invention may, however, be embodied in many different forms of embodiment, and the scope of the present invention should not be construed as limited to the embodiment set forth herein, but rather construed as being limited only by the following description of the embodiment.
The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are used for explaining and explaining the present invention, but not for limiting the scope of the present invention.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. In addition, the size and thickness of each component shown in the drawings are arbitrarily illustrated for convenience of understanding and description, and the present invention is not limited to the size and thickness of each component.
When certain components are described as being "on" another component, the component can be directly on the other component; there may also be an intermediate component disposed on the intermediate component and the intermediate component disposed on another component. When an element is referred to as being "mounted to" or "connected to" another element, they are directly "mounted to" or "connected to" the other element or "mounted to" or "connected to" the other element through an intermediate element.
Examples
As shown in fig. 1, the present embodiment provides a display device, which includes a display panel 100 and an encapsulation layer disposed on the display panel 100. The display panel 100 includes a crack prevention region.
As shown in fig. 1, the display panel 100 defines a left end 101 and a corresponding right end 102, an upper end 103 and a corresponding lower end 104.
As shown in fig. 1, the display panel 100 includes: two GOA areas 1, a display area 2, a bending area 3, two Cell test areas 4, a bonding area 5, an Array test area 6 and a double-cutting corner area 7.
As shown in fig. 1, the GOA areas 1 are respectively disposed at the left end 101 and the right end 102 of the display panel 100, and the GOA areas 1 mainly provide the display areas 2 with horizontal driving signals. The display area 2 is arranged between the two GOA areas 1. The bending area 3 is disposed at the lower end of the display area 2 and the two GOA areas 1. Cell test area 4 sets up respectively in the left end and the right-hand member of bending zone 3 one side of keeping away from GOA district 1. Cell test regions 4 are correspondingly connected to GOA regions 1 through first leads, respectively. The Cell Test area 4 mainly provides a signal at the Cell Test. Bonding area 5 is disposed between two Cell test areas 4 on a side of bending area 3 away from GOA area 1, and is connected to display area 2 by a second lead. When the module is lit, the IC provides a signal therefrom to the display panel 100. Array test area 6 is correspondingly disposed on one side of bonding area 5 away from bending area 3, and is connected to bonding area 5 through a third lead. The two corner cutting regions 7 are respectively arranged at the left end and the right end of the second lead. The double-cut corner region 7 is a cut corner point of the cutting line 8 of the display panel 100.
The position for arranging the anti-crack area can comprise one or more of the bonding area 5, the Cell testing area 4 and the dihedral corner area 7.
As shown in fig. 2, when the crack prevention region is disposed in the Cell test region 4, the metal plate 41 is pressed to provide Cell test signals for the display panel 100, and the first metal trace 42 transmits the signals to the inside of the display panel 100; the organic layer 9 can prevent cracks from extending from I to II along the inorganic layer to the display panel 100, thereby avoiding the display panel from generating abnormal display phenomena and improving the stability of the display panel.
As shown in fig. 3, when the crack prevention area is disposed in the Cell test area 4, the crack prevention area includes: the semiconductor device includes a substrate 10, a buffer layer 11, a gate insulating layer 12, a gate layer 13, an interlayer insulating layer 14, and a source/drain layer 15.
The material of the substrate 10 includes one or more of glass, silicon dioxide, polyethylene, polypropylene, polystyrene, polylactic acid, polyethylene terephthalate, polyimide, or polyurethane. This makes it possible to provide the substrate 10 with a good water and oxygen blocking function and a good panel protection function.
The buffer layer 11 is disposed on the substrate 10 and mainly plays a role of buffering, and the material of the buffer layer 11 includes SiO2、SiNxOne or more of (a).
The gate insulating layer 12 is disposed on the buffer layer 11; the gate insulating layer 12 serves as an insulation function to prevent a short circuit problem from occurring inside the display panel 100. The material of the gate insulating layer 12 includes SiO2、SiNxOne or more of (a).
The gate layer 13 is disposed on the gate insulating layer 12; the material of the gate layer 13 is Cu or Mo.
The interlayer insulating layer 14 covers the gate electrode layer 13 and extends onto the gate insulating layer 12. The material of the interlayer insulating layer 14 is an inorganic material.
The via hole 16 penetrates the interlayer insulating layer 14, the gate insulating layer 12, and the buffer layer 11 in this order. The organic layer 9 is formed by filling the through hole 16 with an organic material.
The source/drain layer 15 is provided on the interlayer insulating layer 12 and the organic layer 9. The source drain layer 15 is made of copper Cu or molybdenum Mo. A via hole 16 is formed through the interlayer insulating layer 14, the gate insulating layer 12, and the buffer layer 11 in the crack prevention region, and then the organic layer 9 is formed by filling an organic material in the via hole 16. The organic layer 9 is made of one or more of ODH and resin, so that cracks can be prevented from extending from I to II into the display panel 100 along the inorganic layer, thereby avoiding abnormal display of the display panel 100 and improving the stability of the display panel 100.
As shown in fig. 4, when the crack prevention region is disposed in the Bonding region 5, the second metal plate 51 is a Bonding metal plate of the Bonding region, and a Bonding IC provides a Cell test signal for the display panel 100. The second metal routing 52 transmits signals to the inside of the display panel 100. The organic layer 9 can prevent the crack from extending from III to IV into the display panel 100 along the inorganic layer, thereby avoiding the display abnormal phenomenon generated in the display panel 100 and improving the stability of the display panel 100.
As shown in fig. 5, when the crack prevention region is disposed in the bonding region 5, the crack prevention region includes: the substrate 10, the buffer layer 11, the gate insulating layer 12, and the interlayer insulating layer 14 further include a metal wiring layer 17 and a planarization layer 18. The metal wiring layer 17 is disposed between the gate insulating layer 12 and the interlayer insulating layer 14. Metal routing layer 17 serves as a wire connection between bonding area 5 and display area 2. The planarization layer 18 is disposed on the interlayer insulating layer 14. The via 16 also extends through the planarization layer 18.
Through the through holes 16 arranged on the flat layer 18, the interlayer insulating layer 14, the gate insulating layer 12 and the buffer layer 11 in the crack prevention region, and then the organic layer 9 formed by filling the organic material in the through holes 16, cracks can be prevented from extending from III to IV to the display panel 100 along the inorganic layer, abnormal display phenomena of the display panel 100 can be avoided, and the stability of the display panel 100 can be improved.
As shown in fig. 6, when the crack prevention region is disposed in the dihedral corner region 7, the crack prevention region includes: the substrate 10, the buffer layer 11, the gate insulating layer 12, the interlayer insulating layer 14, and the planarization layer 18. The planarization layer 18 is disposed on the interlayer insulating layer 14. Through the through holes 16 arranged on the flat layer 18, the interlayer insulating layer 14, the gate insulating layer 12 and the buffer layer 11 in the crack prevention region, and then the organic layer 9 formed by filling the organic material in the through holes 16, cracks can be prevented from extending from III to IV to the display panel 100 along the inorganic layer, abnormal display phenomena of the display panel 100 can be avoided, and the stability of the display panel 100 can be improved.
The display panel and the display device thereof provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the embodiments above is only used to help understanding the technical solutions and the core ideas of the present application; 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; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A display panel comprising a crack prevention region, the crack prevention region comprising:
a substrate;
a buffer layer disposed on the substrate;
a gate insulating layer disposed on the buffer layer;
an interlayer insulating layer disposed on the gate insulating layer;
a through hole sequentially penetrating through the interlayer insulating layer, the gate insulating layer and the buffer layer; and
and the organic layer is filled in the through hole.
2. The display panel according to claim 1, wherein the crack prevention region further comprises:
a gate electrode layer disposed on the gate insulating layer;
the interlayer insulating layer covers the grid electrode layer and extends to the grid electrode insulating layer;
and the source drain layer is arranged on the interlayer insulating layer.
3. The display panel according to claim 1, wherein the crack prevention region further comprises:
a metal wiring layer disposed between the gate insulating layer and the interlayer insulating layer;
a planarization layer disposed on the interlayer insulating layer.
4. The display panel according to claim 1, wherein the crack prevention region further comprises:
a planarization layer disposed on the interlayer insulating layer.
5. The display panel according to claim 3 or 4, wherein the through hole further penetrates the planarization layer.
6. The display panel of claim 1, wherein a left end and a corresponding right end are defined, and an upper end and a corresponding lower end comprise:
at least two GOA areas respectively arranged at the left end and the right end of the display panel;
a display area disposed between the two GOA areas;
the bending area is arranged at the lower ends of the display area and the two GOA areas;
at least two Cell test areas which are respectively arranged at the left end and the right end of one side of the bending area far away from the GOA area;
the Cell test areas are correspondingly connected to the GOA areas through first leads respectively;
the bonding area is arranged between the two Cell test areas on one side of the bending area, which is far away from the GOA area, and is connected to the display area through a second lead;
the Array test area is correspondingly arranged on one side, away from the bending area, of the bonding area and is connected to the bonding area through a third lead; and
and at least two secondary corner cutting areas which are respectively arranged at the left end and the right end of the second lead.
7. The display panel of claim 6, wherein the anti-crack region comprises one or more of the bonding region, Cell test region, and dihedral corner region.
8. The display panel according to claim 1, wherein the organic layer comprises one or more of ODH and resin.
9. A display device comprising the display panel of any one of claims 1-8.
10. The display device according to claim 9, further comprising: and the packaging layer is arranged on the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010010857.7A CN111180609A (en) | 2020-01-06 | 2020-01-06 | Display panel and display device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010010857.7A CN111180609A (en) | 2020-01-06 | 2020-01-06 | Display panel and display device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111180609A true CN111180609A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010010857.7A Pending CN111180609A (en) | 2020-01-06 | 2020-01-06 | Display panel and display device thereof |
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Cited By (3)
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|---|---|---|---|---|
| CN111864108A (en) * | 2020-07-13 | 2020-10-30 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
| CN113066367A (en) * | 2021-03-16 | 2021-07-02 | 京东方科技集团股份有限公司 | Display substrate, display device and manufacturing method thereof |
| US12033549B2 (en) | 2020-07-13 | 2024-07-09 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | OLED display panel and OLED display device |
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Application publication date: 20200519 |