CN114664193A - Display device - Google Patents
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- CN114664193A CN114664193A CN202210418042.1A CN202210418042A CN114664193A CN 114664193 A CN114664193 A CN 114664193A CN 202210418042 A CN202210418042 A CN 202210418042A CN 114664193 A CN114664193 A CN 114664193A
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- display device
- cover plate
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- 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
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- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application provides a display device, this display device is including apron and the rete of range upon range of setting, and at least one side edge of rete is compared and is formed the region of contracting inwards in the corresponding edge of apron. The inward shrinkage area of the display device forms a compressive stress release space, so that the compressive stress is released, and the problem of wavy wrinkles is solved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
At present, organic light-Emitting Diode (OLED) devices are drawing attention due to their advantages of self-luminescence, rich colors, fast response speed, wide viewing angle, light weight, thin thickness, low power consumption, and capability of realizing flexible display, and are widely applied to display devices such as mobile phones and wearable devices.
In the related art, the display device is not limited to a plane, but proceeds to a curved surface, an arc surface, a four-curved surface, and the like. The design of the four curved surfaces can effectively overcome the problems of reduction of screen occupation ratio and the like caused by four sides of ink, and more layers are improved in the visual angle perception of a user. However, the structural design of the four-side curved OLED device still has a great defect that the OLED device still has obvious wavy folds.
Disclosure of Invention
The embodiment of the application provides a display device, and the retraction area of the display device forms a compression stress release space, so that the compression stress is released, and the problem of wavy wrinkles is solved.
The embodiment of the application provides a display device, including apron and the rete of range upon range of setting, at least one side edge of rete compare in the corresponding edge of apron is retracted and is formed the region of retracting.
In some embodiments, the display device further comprises a display area and a stretchable area located in at least one corner area of the display area, and the film layer in the stretchable area is retracted relative to the corresponding edge of the cover plate to form the retracted area.
In some embodiments, the receding distance of the film layer within the stretchable region relative to the corresponding edge of the cover sheet is greater than or equal to 0.2 millimeters.
In some embodiments, the edges of the stretchable region are arcuate.
In some embodiments, the perimeter of the film layer is recessed relative to the perimeter of the cover plate.
In some embodiments, the film layer is a display panel, the display device further includes a back plate disposed on a side of the film layer away from the cover plate, and at least one side of the display panel is retracted into the retracted region compared to a corresponding edge of the back plate.
In some embodiments, the film layer is a functional control layer, the display device further includes a display panel and a back plate, the cover plate, the functional control layer, the display panel and the back plate are stacked, and at least one side of the functional control layer is retracted inward to form the retracted region compared to corresponding edges of the display panel and the back plate.
In some embodiments, the film layer is a back plate, the display device further comprises a display panel disposed between the cover plate and the back plate, at least one side of the back plate is retracted compared to a corresponding edge of the display panel to form the retracted region.
In some embodiments, a light shielding layer is disposed on a side of the cover plate close to the film layer, and an orthographic projection of the light shielding layer on the cover plate covers an orthographic projection of the retracted region on the cover plate.
In some embodiments, the display device further comprises an adhesive layer disposed between the cover plate and the film layer.
The display device that this application embodiment provided, including apron and the rete of range upon range of setting, the corresponding edge that at least one side edge of this rete compares in the apron is the region of contracting inwards. Because the cover plate has higher hardness, after the film layer is arranged on the cover plate, compressive stress exists between the film layer and the cover plate, and obvious wavy wrinkles are formed. The retraction area in this application forms compressive stress release space, and then releases compressive stress to solve the wave fold problem.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of a first partial structure of a display device according to an embodiment of the present disclosure.
Fig. 2 is a schematic view of a first structure of a display device according to an embodiment of the present disclosure.
Fig. 3 is a schematic view of a second structure of a display device according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of a third display device according to an embodiment of the present application.
Fig. 5 is a schematic view of a second partial structure of a display device according to an embodiment of the present disclosure.
Fig. 6 is a schematic structural diagram of a third part of a display device according to an embodiment of the present application.
Fig. 7 is a schematic diagram of a fourth partial structure of a display device according to an embodiment of the present application.
Fig. 8 is a schematic view of a fifth partial structure of a display device according to an embodiment of the present application.
Fig. 9 is a schematic diagram of a sixth partial structure of a display device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all 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 application.
At present, organic light emitting diode devices are receiving much attention due to their advantages of self-luminescence, rich colors, fast response speed, wide viewing angle, light weight, thin thickness, low power consumption, and capability of realizing flexible display, and are widely applied to display devices such as mobile phones and wearable devices.
In the related art, the display device is not limited to a plane, but proceeds to a curved surface, an arc surface, a four-curved surface, and the like. The design of the four curved surfaces can effectively overcome the problems of reduction of screen occupation ratio and the like caused by four sides of ink, and more layers are improved in the visual angle perception of a user. However, the structural design of the four-side curved surface OLED device still has a great defect that the OLED device still has obvious wave-shaped folds.
The embodiment of the application provides a display device, and the retraction area of the display device forms a compression stress release space, so that the compression stress is released, and the problem of wavy wrinkles is solved. The following detailed description is made with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic view of a first partial structure of a display device according to an embodiment of the present disclosure.
The display device 100 includes a cover plate 10 and a film 20 stacked together, wherein at least one side edge of the film 20 is retracted compared to the corresponding edge of the cover plate 10 to form a retracted region 30.
The film layer 20 includes a plurality of side edges, one of the side edges may be recessed relative to a corresponding edge of the cover plate 10 to form a recessed region 30, a part of one of the side edges may be recessed relative to a corresponding edge of the cover plate 10 to form a recessed region 30, or the periphery of the film layer 20 may be recessed relative to the periphery of the cover plate 10 to form a recessed region 30. It is understood that the specific position, number, retraction distance or retraction area of the retraction region 30 are not limited in the embodiments of the present application, and these parameters may vary according to the structure of the actual display device 100, and the main purpose is that the retraction region 30 forms a compressive stress release space to release the compressive stress, thereby solving the wave-shaped corrugation problem.
The display apparatus 100 may be a wearable device such as a smart bracelet, a smart watch, a VR (Virtual Reality) or the like device, a mobile phone, an electronic book, an electronic newspaper, a television, a personal portable computer, and a foldable or rollable flexible OLED display or OLED lighting device.
The display device 100 provided by the embodiment of the present application includes a cover plate 10 and a film layer 20, which are stacked, wherein at least one side edge of the film layer 20 is retracted compared to a corresponding edge of the cover plate 10 to form a retracted area 30. Due to the high hardness of the cover plate 10, after the film 20 is disposed on the cover plate 10, a compressive stress is applied between the film 20 and the cover plate 10, so that a distinct wave-shaped wrinkle is formed. The indented region 30 in the present application forms a compressive stress relief space, and then relieves the compressive stress, thereby solving the wave-shaped wrinkle problem.
In some embodiments, please refer to fig. 2, fig. 3, and fig. 4, in which fig. 2 is a first structural diagram of a display device according to an embodiment of the present disclosure, fig. 3 is a second structural diagram of the display device according to the embodiment of the present disclosure, and fig. 4 is a third structural diagram of the display device according to the embodiment of the present disclosure.
The display panel 70 includes a display area 40 and a stretchable region 50 located at least one corner of the display area 40, wherein the film layer 20 in the stretchable region 50 is retracted with respect to a corresponding edge of the cover plate 10 to form a retracted region 30. The cover sheet 10 of the stretchable zone 50 forms a gaussian surface, and if the film layer 20 is not retracted, a compressive stress exists between the cover sheet 10 and the film layer 20 in the stretchable zone, so that the film layer 20 forms a wave-shaped wrinkle. The retraction area 30 in the present application forms a compressive stress relief space, and then releases the compressive stress, thereby solving the wave-shaped wrinkle problem.
In some embodiments, the retraction distance of the film layer 20 of the stretchable region 50 relative to the corresponding edge of the cover sheet 10 is greater than or equal to 0.2 mm. For example, the retraction distance is 0.2 mm, 0.3 mm.
In some embodiments, the edges of the stretchable region 50 are arcuate. When the edges of the stretchable region 50 are curved, the volume of the indented region 30 is maximized, providing more compressive stress relief space.
Referring to fig. 5, fig. 5 is a schematic view of a second partial structure of a display device according to an embodiment of the present disclosure.
The display device 100 includes a cover plate 10, a display panel 70, and a back plate 60, which are sequentially stacked. The cover plate 10 may be made of glass. The display panel 70 may be a flexible OLED display panel including a thin film transistor array substrate. The thin film transistor array substrate sequentially comprises a thin film transistor array layer, an OLED light emitting layer and a thin film packaging layer, the OLED light emitting layer comprises an anode, a hole injection layer, a hole transmission layer, an organic light emitting layer, an electron transmission layer, an electron injection layer and a cathode which are sequentially formed above the thin film transistor array substrate, and the thin film packaging layer covers the OLED light emitting layer.
In some embodiments, with reference to fig. 5, the film layer 20 is a display panel, and the display device 100 further includes a back plate 60, the back plate 60 is disposed on a side of the film layer 20 away from the cover plate 10, and at least one side of the display panel is recessed compared to a corresponding edge of the back plate 60 to form a recessed area 30. It will be appreciated that at least one side edge of the display panel is indented as compared to the corresponding edges of the backplane 60 and the panel to form an indented area 30. The display panel 70 may extend toward the indented region 30 to reduce the problem of wavy wrinkles formed by the display panel 70.
The display device 100 further includes a functional control layer, which may be any one of a touch layer or a polarizer. The functional control layer may further include other functional layers to make the performance of the display device 100 more excellent. When the functional control layer is a touch layer, the touch layer may be an oncell structure, the touch layer is disposed on the display panel 70, and the touch layer is connected to the display panel 70; the touch layer may also be an include structure, and the touch layer is disposed inside the display panel 70.
In some embodiments, please refer to fig. 6, and fig. 6 is a schematic diagram illustrating a third partial structure of a display device according to an embodiment of the present disclosure. The film layer 20 is a function control layer, the display device 100 further includes a display panel 70 and a back plate 60, the cover plate 10, the function control layer, the display panel 70 and the back plate 60 are stacked, and at least one side of the function control layer is retracted to form a retracted area 30 compared with corresponding edges of the display panel 70 and the back plate 60. At least one side of the function control layer is retracted to form a retracted region 30 compared to the corresponding edges of the display panel 70 and the back plate 60, so as to reduce the transmission of the appearance of the cover plate 10 in a gaussian plane. It is understood that the functional control layer and the display panel 70 are flexible materials, and the functional control layer and the display panel 70 can extend toward the indented area 30, so as to reduce the wave-shaped wrinkle problem of the functional control layer and the display panel 70.
In some embodiments, please refer to fig. 7, and fig. 7 is a schematic diagram illustrating a fourth partial structure of a display device according to an embodiment of the present disclosure. The film layer 20 is a back plate, and the display device 100 further includes a display panel 70, the display panel 70 is disposed between the cover plate 10 and the back plate, and at least one side of the back plate 60 is recessed compared to a corresponding edge of the display panel 70 to form a recessed area 30. It can be appreciated that, because the back plate and the cover plate 10 have higher stiffness, if the edge of the back plate is reduced accordingly, the stiffness of the whole display device 100 can be reduced, which is beneficial to extending the softer display panel 70 in the retracted region 30, thereby reducing the problem of the wavy wrinkles formed on the softer display panel 70.
In some embodiments, please refer to fig. 8, and fig. 8 is a schematic diagram illustrating a fifth partial structure of a display device according to an embodiment of the present disclosure. The cover plate 10 is provided with a light shielding layer 80 on one side close to the film layer 20, and an orthographic projection of the light shielding layer 80 on the cover plate 10 covers an orthographic projection of the retraction area 30 on the cover plate 10. The light-shielding layer 80 is made of opaque material, such as ink. The light shielding layer 80 is used for shielding light, and the light shielding layer 80 is located at the edge of the cover plate 10. It is understood that the light shielding layer 80 may be disposed above the optical substrate to meet the appearance requirements of the display device 100.
In some embodiments, please refer to fig. 9, wherein fig. 9 is a schematic diagram of a sixth partial structure of a display device according to an embodiment of the present application. The display device 100 further includes an adhesive layer 90, the adhesive layer 90 being disposed between the cover plate 10 and the film layer 20. The Adhesive layer 90 may be an Optical Clear Adhesive (OCA). In other embodiments, the material of the adhesive layer 90 may be one of transparent optical tape, liquid transparent optical adhesive (LOCA), Optically Clear Resin (OCR), polyvinyl butyral, or ethylene-vinyl acetate copolymer. In some cases, the adhesive layer 90 adheres and supports the cover plate 10 and the film layer 20 on both sides, which is beneficial to improve the sealing between the cover plate 10 and the film layer 20.
The display device 100 provided by the embodiment of the present application includes a cover plate 10 and a film layer 20, which are stacked, wherein at least one side edge of the film layer 20 is retracted compared to a corresponding edge of the cover plate 10 to form a retracted area 30. Due to the high hardness of the cover plate 10, after the film 20 is disposed on the cover plate 10, a compressive stress is applied between the film 20 and the cover plate 10, so that a distinct wave-shaped wrinkle is formed. The indented region 30 in the present application forms a compressive stress relief space, thereby relieving compressive stress, thereby solving the wave-shaped wrinkle problem.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first", "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, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
The display device provided in the embodiments of the present application is described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The display device is characterized by comprising a cover plate and a film layer which are arranged in a stacked mode, wherein at least one side edge of the film layer is retracted compared with the corresponding edge of the cover plate to form a retracted area.
2. The display device according to claim 1, further comprising a display area and a stretchable region located in at least one corner region of the display area, wherein the film layer in the stretchable region is retracted relative to the corresponding edge of the cover plate to form the retracted region.
3. The display device of claim 2, wherein a receding distance of the film layer within the stretchable region relative to the corresponding edge of the cover sheet is greater than or equal to 0.2 millimeters.
4. The display device according to claim 2, wherein an edge of the stretchable region is arc-shaped.
5. The display device of claim 1, wherein a perimeter of the film layer is recessed relative to a perimeter of the cover plate.
6. The display device according to any one of claims 1 to 5, wherein the film layer is a display panel, the display device further comprising a back plate disposed on a side of the film layer away from the cover plate, at least one side of the display panel being recessed compared to a corresponding edge of the back plate to form the recessed region.
7. The display device according to any one of claims 1 to 5, wherein the film layer is a functional control layer, the display device further comprises a display panel and a back plate, the cover plate, the functional control layer, the display panel and the back plate are stacked, and at least one side of the functional control layer is recessed compared to corresponding edges of the display panel and the back plate to form the recessed region.
8. The display device according to any one of claims 1 to 5, wherein the film layer is a back plate, the display device further comprising a display panel disposed between the cover plate and the back plate, at least one side of the back plate being recessed compared to a corresponding edge of the display panel to form the recessed region.
9. The display device according to any one of claims 1 to 5, wherein a light shielding layer is disposed on a side of the cover plate close to the film layer, and an orthographic projection of the light shielding layer on the cover plate covers an orthographic projection of the retracted region on the cover plate.
10. The display device according to any one of claims 1 to 5, further comprising an adhesive layer provided between the cover plate and the film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418042.1A CN114664193A (en) | 2022-04-20 | 2022-04-20 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418042.1A CN114664193A (en) | 2022-04-20 | 2022-04-20 | Display device |
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| CN114664193A true CN114664193A (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210418042.1A Pending CN114664193A (en) | 2022-04-20 | 2022-04-20 | Display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016439A1 (en) * | 2022-07-19 | 2024-01-25 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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| CN112002237A (en) * | 2020-08-31 | 2020-11-27 | 上海天马微电子有限公司 | Stretchable display panel, display device and assembling method thereof |
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| CN112735278A (en) * | 2021-01-05 | 2021-04-30 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN113193028A (en) * | 2021-04-28 | 2021-07-30 | 京东方科技集团股份有限公司 | Display device and display panel thereof |
| CN214378448U (en) * | 2021-01-27 | 2021-10-08 | 京东方科技集团股份有限公司 | Display module and display device |
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2022
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627330A (en) * | 2020-05-11 | 2020-09-04 | Oppo广东移动通信有限公司 | Display module, electronic equipment and display screen assembly |
| CN112002237A (en) * | 2020-08-31 | 2020-11-27 | 上海天马微电子有限公司 | Stretchable display panel, display device and assembling method thereof |
| CN212905649U (en) * | 2020-09-21 | 2021-04-06 | 武汉光迅科技股份有限公司 | Structure for reducing bonding stress |
| CN112735278A (en) * | 2021-01-05 | 2021-04-30 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN214378448U (en) * | 2021-01-27 | 2021-10-08 | 京东方科技集团股份有限公司 | Display module and display device |
| CN113193028A (en) * | 2021-04-28 | 2021-07-30 | 京东方科技集团股份有限公司 | Display device and display panel thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024016439A1 (en) * | 2022-07-19 | 2024-01-25 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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