CN111029393A - Display panel and terminal equipment - Google Patents
Display panel and terminal equipment Download PDFInfo
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- CN111029393A CN111029393A CN201911350561.3A CN201911350561A CN111029393A CN 111029393 A CN111029393 A CN 111029393A CN 201911350561 A CN201911350561 A CN 201911350561A CN 111029393 A CN111029393 A CN 111029393A
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- 239000010410 layer Substances 0.000 claims abstract description 222
- 238000005452 bending Methods 0.000 claims abstract description 55
- 239000012790 adhesive layer Substances 0.000 claims abstract description 50
- 238000005538 encapsulation Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 229920000297 Rayon Polymers 0.000 description 25
- 239000002356 single layer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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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
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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
- H10K59/40—OLEDs integrated with touch screens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a display panel and terminal equipment, which solve the problem that film layer separation occurs between a touch layer and a polarizing layer due to the difference of bending capacities of materials of the touch layer and the polarizing layer. The method comprises the following steps: a display layer including at least one bending region; the functional film layer is arranged on one side of the light emitting direction of the display layer; the adhesive layer is arranged between the display layer and the functional film layer, the adhesive layer comprises at least one arc-shaped structure, and the projection of one arc-shaped structure on the display layer is positioned in one bending area; the adhesive layer comprises a plurality of sub adhesive layers which are sequentially stacked along the light emitting direction, and the parts of the sub adhesive layers corresponding to the bending areas are arranged in a step shape to form an arc-shaped structure.
Description
Technical Field
The invention relates to the field of display technology, in particular to a display panel and terminal equipment.
Background
Along with the development of science and the progress of display technology, the super narrow frame panel is showing the trend of trade, and flexible panel accessible is buckled and is realized the super narrow frame of product, promotes the screen and accounts for the ratio, but at static state the in-process of buckling, because the material on touch-control layer and polarisation layer has the difference of ability of buckling, leads to appearing the problem of rete separation between touch-control layer and the polarisation layer, because rete separation produces and is difficult to prosthetic gap, consequently can greatly reduced the yield of flexible product of buckling.
Disclosure of Invention
In view of this, embodiments of the present invention provide a display panel and a terminal device, which solve the problem that a film layer is separated between a touch layer and a polarizing layer due to a difference in bending capability between materials of the touch layer and the polarizing layer.
An embodiment of the present invention provides a display panel and a terminal device, including: a display layer including at least one bending region; the functional film layer is arranged on one side of the light emitting direction of the display layer; the adhesive layer is arranged between the display layer and the functional film layer, the adhesive layer comprises at least one arc-shaped structure, and the projection of the arc-shaped structure on the display layer is positioned in one bending area; the adhesive layer comprises a plurality of sub adhesive layers which are sequentially stacked along the light emitting direction; the parts of the sub-adhesive layers corresponding to the bending areas are arranged in a ladder shape to form the arc-shaped structure.
In one embodiment, the display layer comprises a polarizing layer, wherein the polarizing layer is disposed between the display panel and the adhesive layer.
In one embodiment, the width of the touch layer is greater than the width of the polarizing layer in a cross-section in a direction perpendicular to the bending axis of the display layer.
In one embodiment, the projection of the functional film layer onto the display layer coincides with the display layer.
In one embodiment, a projection of the curved structure onto the display layer coincides with the bending region.
In one embodiment, the arc of the arcuate structure is less than 5 mm.
In one embodiment, the functional film layer is a touch layer.
In one embodiment, the adhesive layer is made of an optical adhesive.
In one embodiment, the display layer includes a substrate, an array layer, a light emitting layer, and an encapsulation layer, which are stacked, wherein the encapsulation layer is disposed adjacent to one side of the functional film layer.
A terminal device comprising the display panel of any of the above.
The embodiment of the invention provides a display panel and terminal equipment. The functional film layer is arranged on one side of the light-emitting direction of the display layer, and the display layer and the functional film layer are adhered through the adhesive layer. Wherein, the display layer includes at least one bending region, and the viscose layer includes at least one arc structure, and the projection of an arc structure on the display layer is located a bending region, and wherein, the viscose layer includes along a plurality of sub-viscose layers that luminous direction stacks gradually the setting, and a plurality of sub-viscose layers correspond the position in bending region is the echelonment and arranges in order to form the arc structure. The viscose layer that will correspond the bending region on display layer sets up the arc structure, because the function rete has the flexibility, can guarantee like this that the function rete pastes certain radian that appears on the viscose layer, and this radian corresponds the bending region on display layer, can make the function rete just so have certain radian before buckling, when display panel buckles again, the function rete buckles on original radian, compare and can reduce the angle of buckling in direct buckling, reduce the stress that deformation volume and rete received, thereby reduce the phenomenon of rete separation.
Drawings
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of an adhesive layer according to an embodiment of the invention.
Fig. 3 is a schematic structural view of an adhesive layer according to another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a display panel according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
As shown in fig. 1, the display panel includes a display layer 3, an adhesive layer 2 and a functional film layer 1. The display layer 3 functions to emit display light, wherein the adhesive layer 2 is disposed on one side of a light emitting direction of the display layer 3, the light emitting direction being a traveling direction of the display light emitted from the display layer 3. Function rete 1 sets up in viscose layer 2 and keeps away from one side of display layer 3, and viscose layer 2's effect is for pasting function rete 1 on display layer 3. The functional film layer 1 may be a film structure capable of implementing a certain function, for example, the functional film layer 1 may be a touch layer. The display layer 3 may comprise at least one bending region, which may comprise a bending axis, and at least one non-bending region. Viscose layer 2 includes at least one arc structure, the projection of an arc structure on showing layer 3 is located a bending zone, in other words, the viscose layer 2 that will correspond the bending zone of showing layer 3 sets to the arc, because function rete 1 has the flexibility, certain radian also appears when guaranteeing like this that function rete 1 pastes on the arc structure of viscose layer 2, and what this radian corresponds is the bending zone of showing layer 3, can make function rete 1 just have certain radian before buckling like this, when the display panel buckles again, function rete 1 buckles on original radian, compare in directly buckling and can reduce the angle of buckling, reduce the stress that deformation volume and rete received, thereby reduce the phenomenon of rete separation.
It is understood that the Display layer 3 may be an Organic Light Emitting Diode (OLED) Light Emitting type, and may be another Light Emitting type, and the specific Light Emitting type of the Display layer 3 may be selected, and the Light Emitting type of the Display layer 3 is not limited by the present invention.
It can be further understood that the material of the Adhesive layer 2 may be Optical Clear Adhesive (OCA), and may also be other types of adhesives, and the specific material of the Adhesive layer 2 may be selected according to actual requirements, and the specific material of the Adhesive layer 2 is not limited in the present invention.
It can also be understood that the functional film layer 1 may be a touch layer, a polarizing layer 31, and the like, the type of the functional film layer 1 may be set according to actual requirements, and the specific type of the functional film layer 1 is not limited in the present invention.
It is also understood that the functional film layer 1 may have a single-layer structure or a multi-layer structure. When the functional film layer 1 is a single-layer structure, for example, the functional film layer 1 may be a touch layer, a polarizing layer 31, or the like; when the functional film layer 1 has a multi-layer structure, for example, the functional film layer 1 may be a combination of a touch layer and a polarizing layer 31, or a combination of film layers having other functions. Whether the functional film layer 1 has a single-layer structure or a multi-layer structure may be set according to an actual product, and the present invention does not limit whether the functional film layer 1 has a single-layer structure or a multi-layer structure.
In an embodiment of the invention, the display panel may be a display panel with a fixed bending angle and direction, for example, the display panel may be a bend away from the light emitting direction or the display panel may be a bend towards the light emitting direction. When the display panel is bent away from the light emitting direction, the arc of the arc structure faces the display panel, and when the display panel is bent toward the light emitting direction, the arc of the arc structure faces away from the display panel, in other words, the arc of the arc structure of the functional film layer 1 should be in the same direction as the arc of the bending direction of the display panel. Can guarantee like this that function rete 1 just has certain radian before buckling, when display panel buckles again, function rete 1 buckles on original radian, compares and directly buckles and can reduce the angle of buckling, reduces the stress that deformation volume and rete received to reduce the separation phenomenon between the rete.
It can be understood that the radian of the arc-shaped structure can be towards the display panel or away from the display panel, the direction of the radian of the arc-shaped area is set according to the bending direction of the display panel, and the direction of the radian of the arc-shaped structure is not limited in the invention.
Fig. 2 is a schematic structural view of an adhesive layer 2 according to an embodiment of the present invention.
As shown in fig. 2, the adhesive layer 2 may be a single layer structure. When viscose layer 2 is the individual layer structure, the arc structure of viscose layer 2 is only the ARC shape that viscose layer 2 formed, in other words, the viscose layer 2 that will correspond the regional of buckling of demonstration layer 3 sets to the ARC structure, because function rete 1 has the flexibility, can guarantee like this that function rete 1 also can be corresponding the radian that appears after pasting on the ARC structure of viscose layer 2, and this radian corresponds the regional of buckling of demonstration layer 3, just so can make function rete 1 just have certain radian before buckling, when display panel buckles again, function rete 1 buckles on original radian, compare in directly buckling and can reduce the angle of buckling, reduce the stress that deformation volume and rete received, thereby reduce the phenomenon of rete separation.
Fig. 3 is a schematic structural view of an adhesive layer 2 according to another embodiment of the present invention.
As shown in fig. 3, when the adhesive layer 2 is a multi-layer structure, the adhesive layer 2 may include a plurality of sub-adhesive layers 2, and the sub-adhesive layers 2 are sequentially stacked along the light emitting direction. Therefore, when the sub-adhesive layers 2 are sequentially stacked along the light emitting direction, the portions of the sub-adhesive layers 2 corresponding to the bending regions are arranged in a step shape, in other words, on the cross section perpendicular to the direction of the bending axis of the display layer 3, the lengths of the sub-adhesive layers 2 are sequentially decreased or increased in a step shape along the light emitting direction, and therefore the portions of the sub-adhesive layers 2 corresponding to the bending regions are arranged in a step shape to form the arc-shaped structure. When the display panel is a display panel bent away from the light emitting direction, the radian of the arc-shaped structure faces the display panel, and on the cross section perpendicular to the direction of the bending axis of the display layer 3, the lengths of the sub-adhesive layers 2 are sequentially reduced progressively along the light emitting direction to form the arc-shaped structure facing the display panel; when display panel is towards the display panel of the bending of luminous direction, the radian of arc structure deviates from display panel, is perpendicular to on the cross section of the direction of the bending axis of display layer 3, 2 length of a plurality of sub-viscose layers increase progressively in proper order along luminous direction to form the arc structure that deviates from display panel. Adopt a plurality of sub-viscose layer 2 to form the echelonment and arrange in order to form the arc structure along the range upon range of setting of luminous direction, simple process does not increase extra cost, easily realizes.
It can be understood that the adhesive layer 2 may be a single-layer structure or a multi-layer structure, the specific structure of the adhesive layer 2 may be selected, and how to form the arc-shaped structure may be selected according to the actual situation, and the specific structure of the adhesive layer 2 is not limited in the present invention.
It can be further understood that, when there are a plurality of adhesive layers 2, on the cross section perpendicular to the direction of the bending axis of the display layer 3, the lengths of the sub adhesive layers 2 may be sequentially decreased or sequentially increased along the light emitting direction, how the lengths of the sub adhesive layers 2 change along the light emitting direction is set according to the requirements of the actual product, and the invention does not limit how the lengths of the sub adhesive layers 2 change along the light emitting direction.
In an embodiment of the present invention, the projection of the arc-shaped structure on the display layer 3 completely coincides with the bending region. In other words, the projection of the starting position of the arc-shaped structure on the display layer 3 coincides with the starting edge of the bending region of the display layer 3, and the projection of the ending edge of the arc-shaped structure on the display layer 3 coincides with the ending edge of the bending region of the display layer 3. Set up projection and bending zone complete coincidence of the arc structure of function rete 1 on showing layer 3, can guarantee that function rete 1 that corresponds bending zone all has certain radian, when display panel buckles again, function rete 1 buckles on original radian, compares and directly buckles and can reduce the angle of buckling, reduces the stress that deformation volume and rete received to reduce the separation phenomenon between the rete.
It can be understood that the curvature of the arc-shaped structure is determined according to the bending curvature of the display panel, the structure can meet the bending limit angle of the display panel, and the bending radius of the display panel is generally about 5mm at present, which requires the curvature of the arc-shaped structure to be less than 5 mm. However, on the premise of preventing the display panel from separating from the film layers after being bent, the specific radian of the arc-shaped structure can be selected, and the specific radian of the arc-shaped region is not limited in the invention.
Fig. 4 is a schematic structural diagram of a display panel according to another embodiment of the present invention.
As shown in fig. 4, the functional film 1 may be a touch layer, the display layer 3 may further include a polarizing layer 31 disposed on a side of the adhesive layer away from the touch layer, the polarizing layer 31 may be a polarizer, which is a lens that can pass light vibrating in a specific direction but can not pass light vibrating in other vibration directions (or has a very small pass rate), a single polarizer looks slightly different from a common glass lens and is transparent, but two polarizers stacked perpendicularly to each other in their polarization directions are found to be opaque, and the polarizer is mainly used for liquid crystal display imaging. In a cross section in a direction perpendicular to the bending axis of the display layer 3, the width of the touch layer is larger than the width of the polarizing layer 31. On the cross section of the direction of the bending axis of perpendicular to display layer 3, set the width on touch-control layer to be greater than the width on polarisation layer 31, prevent that the laminating of function rete 1 from appearing buckling on viscose layer 2 after, problem production that function rete 1 can not cover on the display rete completely, and on the cross section of the direction of the bending axis of perpendicular to display layer 3, set the width on touch-control layer to be greater than the width on polarisation layer 31, can make the relative deformation volume of function rete 1 when buckling littleer, thereby make the stress that function rete 1 bore when buckling lower, make the phenomenon of rete layering appear more difficult to between function rete 1 and the display layer, function rete 1 takes place cracked problem when also can reducing to buckle.
It is also understood that the display layer may further include a substrate, an array layer, a light emitting layer, an encapsulation layer, and the like, which are sequentially stacked, wherein the encapsulation layer is disposed at an end of the polarizing layer away from the adhesive layer. The display layer may include other functional film layers in addition to the substrate, the array layer, the light emitting layer, and the encapsulation layer, or the display layer may not include one or more of the substrate, the array layer, the light emitting layer, and the encapsulation layer. The display layer includes what kind of functional film layer is set according to actual product requirements, and the invention does not limit what kind of functional film layer the display layer includes.
In an embodiment of the present invention, the projection of the functional film 1 on the display layer 3 coincides with the display layer 3, in other words, the peripheral edge of the functional film 1 is flush with the display layer 3. The end edge of the functional layer is in line with the end edge of the display layer 3 in a cross-section perpendicular to the direction of the bending axis of the display layer 3. Set to the edge all around with function rete 1 and flush with display layer 3, can prevent because function rete 1 laminating appear buckling the back on viscose layer 2, on the cross section of the direction of the axis of bending of perpendicular to display layer 3, the end limit of functional layer is not on a straight line with the end limit of display layer 3, and the edges and corners appears and influence user experience when leading to the user to use.
It can be understood that the peripheral edge of the functional film layer 1 may be flush with the display layer 3, or the functional film layer 1 completely wraps around the display layer 3, or the functional film layer 1 and the display layer 3 may have other structural arrangements, etc., and the structural relationship between the functional film layer 1 and the display layer 3 may be adjusted and selected according to the requirements of the product, and the structural relationship between the functional film layer 1 and the display layer 3 is not limited in the present invention.
In an embodiment of the present invention, the terminal device includes the display panel described in any one of the above embodiments, wherein the display panel includes a display layer 3, an adhesive layer 2, and a functional film layer 1. The display layer 3 can emit display light, wherein the adhesive layer 2 is disposed on one side of the display layer 3 in a light emitting direction, which is a propagation direction of the display light emitted from the display layer 3. Function rete 1 sets up in the one side that display layer 3 was kept away from to viscose layer 2, and viscose layer 2 pastes function rete 1 on display layer 3, and wherein, function rete 1 can be the membranous layer structure that can realize certain function, for example, function rete 1 can be the touch-control layer. The display layer 3 may include a bending region and a non-bending region, and the bending region may include a bending axis. Viscose layer 2 includes at least one arc structure, an arc structure is located a bending zone in the projection that shows on layer 3, the viscose layer 2 that will correspond the bending zone of showing layer 3 sets up the arc structure, because function rete 1 has the flexibility, can guarantee like this that function rete 1 pastes and appear certain radian on viscose layer 2, and this radian corresponds the bending zone of showing layer 3, can make function rete 1 just have certain radian before buckling like this, when display panel buckles again, function rete 1 buckles on original radian, compare and directly buckle and can reduce the angle of buckling, reduce the stress that deformation volume and rete received, thereby reduce the phenomenon of rete separation.
It can be understood that the terminal device may be a mobile phone, a computer, or a vehicle-mounted device, and the specific type of the terminal device is not limited in the present invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (10)
1. A display panel, comprising:
a display layer including at least one bending region;
the functional film layer is arranged on one side of the light emitting direction of the display layer; and
the adhesive layer is arranged between the display layer and the functional film layer, wherein the adhesive layer comprises at least one arc-shaped structure, and the projection of one arc-shaped structure on the display layer is positioned in one bending area;
the adhesive layer comprises a plurality of sub adhesive layers which are sequentially stacked along the light emitting direction, and the parts of the sub adhesive layers corresponding to the bending areas are arranged in a step shape to form the arc-shaped structures.
2. The display panel of claim 1, wherein the display layer comprises a polarizing layer, and wherein the polarizing layer is disposed on a side of the adhesive layer away from the functional film layer.
3. The display panel according to claim 2, wherein the width of the functional film layer is larger than the width of the polarizing layer in a cross section perpendicular to a bending direction of the display layer.
4. The display panel of claim 1, wherein the projection of the functional film layer onto the display layer coincides with the display layer.
5. The display panel of claim 1, wherein a projection of the curved structure on the display layer coincides with the bend region.
6. The display panel of claim 1, wherein the arc of the arc structure is less than 5 mm.
7. The display panel of claim 1, wherein the functional film layer is a touch layer.
8. The display panel of claim 1, wherein the adhesive layer is made of an optical adhesive.
9. The display panel according to claim 1, wherein the display layer comprises a substrate, an array layer, a light emitting layer, and an encapsulation layer, which are stacked, wherein the encapsulation layer is disposed on a side close to the functional film layer.
10. A display device comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350561.3A CN111029393B (en) | 2019-12-24 | 2019-12-24 | Display panel and terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350561.3A CN111029393B (en) | 2019-12-24 | 2019-12-24 | Display panel and terminal equipment |
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| CN111029393A true CN111029393A (en) | 2020-04-17 |
| CN111029393B CN111029393B (en) | 2023-06-27 |
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| CN201911350561.3A Active CN111029393B (en) | 2019-12-24 | 2019-12-24 | Display panel and terminal equipment |
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| CN112396964A (en) * | 2020-11-17 | 2021-02-23 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN112489567A (en) * | 2020-12-29 | 2021-03-12 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113099663A (en) * | 2021-04-08 | 2021-07-09 | 京东方科技集团股份有限公司 | Display module and display device |
| CN113257112A (en) * | 2020-02-12 | 2021-08-13 | 华为技术有限公司 | Display panel and display device |
| CN113589565A (en) * | 2020-04-30 | 2021-11-02 | 荣耀终端有限公司 | Display module and terminal |
| CN114005364A (en) * | 2021-10-29 | 2022-02-01 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
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| US12005684B2 (en) | 2020-12-29 | 2024-06-11 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and display device |
| CN113099663A (en) * | 2021-04-08 | 2021-07-09 | 京东方科技集团股份有限公司 | Display module and display device |
| CN114005364A (en) * | 2021-10-29 | 2022-02-01 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
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| CN111029393B (en) | 2023-06-27 |
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