CN109935172B - Comprehensive display screen and display device - Google Patents
Comprehensive display screen and display device Download PDFInfo
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- CN109935172B CN109935172B CN201910152545.7A CN201910152545A CN109935172B CN 109935172 B CN109935172 B CN 109935172B CN 201910152545 A CN201910152545 A CN 201910152545A CN 109935172 B CN109935172 B CN 109935172B
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Abstract
The invention provides a comprehensive display screen and a display device, which aim to solve the technical problem that functional components have adverse effects on the screen occupation ratio in the prior art. This display screen includes the base plate to and be located the display module assembly of base plate one side, display module assembly includes plane portion and flexion, and the flexion includes the flexion body that forms from plane portion to base plate side bend, and the one side that is close to the base plate of flexion body sets up functional unit, packs transparent filler in the flexion body, makes flexion and plane portion parallel and level. According to the embodiment of the invention, the functional component is arranged at the bending part to hide the functional component, so that the use habit of a user is adapted and the screen occupation ratio of the comprehensive display screen is ensured.
Description
Technical Field
The invention relates to the technical field of screens, in particular to a comprehensive display screen and a display device.
Background
In the prior art, a display screen is assembled by using an active-matrix organic light emitting diode (AMOLED) display module, so that the requirement of bending the screen with a high screen occupation ratio at the screen boundary can be met, and the display screen is well adapted to the bending degree of the screen cover plate. However, due to the existence of the functional component, a sensor area needs to be separately arranged under the screen cover plate, or a light path channel of the functional component needs to be reserved for the display module, and the functional component causes the display module to form an irregular structure with grooves and holes at the edge, so that the screen occupation ratio of the operable area is directly reduced.
Disclosure of Invention
In view of this, embodiments of the present invention provide a comprehensive display screen and a display device, so as to solve the technical problem in the prior art that a functional component has an adverse effect on a screen occupation ratio.
The comprehensive display screen comprises a substrate and a display module positioned on one side of the substrate, wherein the display module forms a plane part and a bent part, the bent part comprises a bent part body formed by bending from the plane part to one side of the substrate, one side of the bent part body, which is close to the substrate, is provided with a functional component, and the bent part body is filled with transparent filler to enable the bent part to be flush with the plane part.
In an embodiment of the invention, the display module includes a first display module and a second display module, the first display module is partially bent to form a first bending portion, the second display module is partially bent to form a second bending portion, the first bending portion and the second bending portion are opposite to each other to form an accommodation chamber, the accommodation chamber is filled with a transparent filler, the first bending portion includes a first bending portion body formed by bending the first display module to the first side of the substrate, the second bending portion includes a second bending portion body formed by bending the second display module to the first side of the substrate, and the functional component is located on one side of the first bending portion body and/or the second bending portion body close to the substrate.
In an embodiment of the invention, the display module partially sequentially forms a first bending portion and a second bending portion, the first bending portion and the second bending portion are relatively abutted to form an accommodating chamber, the accommodating chamber is filled with transparent filler, the first bending portion includes a first bending portion body formed by bending the first display module toward the one side of the substrate, the second bending portion includes a second bending portion body formed by bending the first display module toward the one side of the substrate, and the functional component is located on one side of the first bending portion body and/or the second bending portion body, which is close to the substrate.
In an embodiment of the present invention, the radian and arc length of the first bending portion and the second bending portion relative to the plane portion adopt one of the following matching structures:
the first bending part and the second bending part have the same radian relative to the plane part and the same arc length;
the radians of the first bending part and the second bending part relative to the plane part are different and the arc lengths are the same;
the first bending part and the second bending part have the same arc length and the same radian relative to the plane part;
the first bending part and the second bending part are different in arc length and radian relative to the plane part.
In an embodiment of the present invention, the transparent filler is a transparent material with uniform density.
In an embodiment of the invention, the functional component includes a camera, and the refractive index of the transparent filler is changed in a gradient manner along the direction of the emergent light of the functional component, so that an included angle between the emergent light of the functional component and the normal direction of the plane of the display module is smaller than a preset angle.
In an embodiment of the invention, the transparent filler includes a plurality of refraction layers, and the refractive indexes of the refraction layers are increased in a gradient manner along the direction of the emergent ray.
In an embodiment of the invention, a refractive index of a first refractive layer through which the outgoing light passes among the plurality of refractive layers of the transparent filler is the same as a refractive index of the bending portion.
In an embodiment of the invention, the thickness ratio of the refraction layer on the side close to the planar portion of the display module to the adjacent refraction layer on the side far from the planar portion of the display module of the full-face display screen is between 3 and 20 times.
The comprehensive display device comprises the comprehensive display screen.
The comprehensive display screen and the display device provided by the embodiment of the invention provide a light path, so that the light path of the functional component is overlapped with the normal direction of the plane of the display module as much as possible or the included angle of the light path is smaller than a preset angle by using the refractive index difference of the transparent media with different light path paths of the functional component, thereby hiding the functional component and being suitable for the use habit of a user and ensuring the screen occupation ratio of the comprehensive display screen.
Drawings
Fig. 1 is a schematic cross-sectional view of a full-screen display according to an embodiment of the invention.
FIG. 2 is a schematic diagram of the optical path of a functional component formed by the overall display panel according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of the optical path of a functional component formed by the overall display panel according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of the optical path of a functional component formed by the overall display panel according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a full-screen display according to an embodiment of the 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.
Those skilled in the art will understand that the optical path has bi-directionality, and the following embodiments take the direction of the functional component toward the outside of the screen as the description direction of the optical path of the functional component.
The comprehensive display screen comprises a substrate and a display module positioned on one side of the substrate, wherein the display module forms a plane part and a bending part, the bending part comprises a bending part body formed by bending the plane part to one side of the substrate, one side of the bending part body, which is close to the substrate, is provided with a functional component, and the bending part body is filled with transparent filler to enable the bending part to be flush with the plane part.
Specifically, the functional components include a camera, an earpiece, a sensor, a breathing light, and a flashlight. Pack transparent filler in the flexion body for flexion and plane portion parallel and level, thereby make the surface of display screen become level and smooth, be favorable to functional unit's emergent ray and the planar normal direction coincidence as far as of display module assembly, be favorable to the luminous display of display screen, reinforcing user's visual perception.
The comprehensive display screen provided by the embodiment of the invention provides a light path, so that the emergent light rays of the functional components are superposed with the normal direction of the plane of the display module or the included angle of the emergent light rays is a preset angle by utilizing the refractive index difference of transparent media with different light path ways of the functional components, the preset angle is set according to the actual situation, the preset angle range is 5-7 degrees, can be 5 degrees or 7 degrees, the preset angle is not specifically limited according to the situation, and the comprehensive display screen provided by the invention can be used as long as the functional components can be hidden to adapt to the use habit of the user, the occupied screen ratio of the comprehensive display screen is ensured, and the light rays emitted by the functional components are superposed with the normal direction of the plane of the display module as much as possible.
As shown in fig. 1, the full-screen display panel according to an embodiment of the invention includes a first display module 02, a second display module 03 and a transparent filler 04, wherein the first display module 02 and the second display module 03 are located on the same plane, one side of the first display module 02 is bent to form a first bending portion 21, one side of the second display module 03 opposite to the first display module 02 is bent to form a second bending portion 31, and the first bending portion 21 and the second bending portion 31 are abutted to each other to form a receiving chamber 41. The transparent filler 04 fills the accommodating chamber 41 between the first bending portion 21 and the second bending portion 31 (i.e. the side of the bending portion close to the substrate), specifically, the first bending portion 21 includes a first bending portion body formed by bending the first display module 02 to the first side of the substrate, the second bending portion 31 includes a second bending portion body formed by bending the second display module 03 to the first side of the substrate, and the functional component is located on the side of the first bending portion body and/or the second bending portion body close to the substrate and is disposed around the periphery of the first bending portion body and/or the second bending portion body.
Specifically, the functional component includes a functional component, an earpiece, a sensor, a breathing lamp, and a flashlight, and the orientation of the functional component is set to be toward one side of the bending portion.
The first display module 02 and the second display module 03 are flexible display modules, and whether the first display module and the second display module are flexible display modules is not particularly limited in the invention.
The technical personnel in the field can understand that the mature process technology satisfies the requirements that the display module forms a larger bending radian, the layer structure of the display module is uniform and light-transmitting, and the control circuit of the display module can control the pixel enabling property in any pixel range in the display module and can ensure the transparent characteristic of the bending part.
The curvature and arc length of the first and second curved portions 21 and 31 are related to the volume of the housing chamber 41.
The comprehensive display screen provided by the embodiment of the invention can hide the functional components on the basis of ensuring the high screen occupation ratio and provide a more reasonable functional component light path. The overall display screen of the embodiment of the invention ensures the consistent smoothness of the overall display screen smooth surface by utilizing the radians and arc lengths of the first bending part 21 and the second bending part 31 and the containing chamber 41, so that the overall outline of the overall display screen is not damaged. The light path of the functional component 01 is transmitted out of the comprehensive display screen through the first bending part 21 and the transparent filler 04, and due to the difference of refractive indexes caused by the difference of media of the first bending part 21 and the transparent filler 04, the emergent light of the functional component 01 approaches to the normal direction of the plane of the display module or the included angle of the emergent light of the functional component 01 forms a preset angle, the preset angle is set according to the actual situation, for example, the preset angle ranges from 5 degrees to 7 degrees, and can be 5 degrees or 7 degrees.
In an embodiment of the present invention, the first curved portion 21 and the second curved portion 31 have the same curvature and the same arc length with respect to the flat portion.
In an embodiment of the present invention, the first curved portion 21 and the second curved portion 31 have different arcs with respect to the flat portion and have the same arc length.
In an embodiment of the present invention, the first curved portion 21 and the second curved portion 31 have the same arc length and the same arc degree with respect to the flat portion.
In an embodiment of the present invention, the first curved portion 21 and the second curved portion 31 have different arc lengths and different arcs with respect to the flat portion.
According to the embodiment of the invention, the radians of the first bending part and the second bending part relative to the plane part can be selected to be the same or different according to the first display module and different conditions of the first display module, so that the uniform smoothness of the smooth surface of the comprehensive display screen is ensured, the overall profile of the comprehensive display screen is not damaged, the display screen body is ensured to be at the observation angle required by an observer after the screen body is bent and leveled, and the angle required to be observed can be flexibly adjusted by adjusting the arc length and the radian of the first bending part and the second bending part.
In one embodiment of the present invention, the transparent filler 04 is a single transparent material with uniform density.
Specifically, the transparent material with uniform density can be an aluminum nitride transparent ceramic material, and can also be a PLZT electro-optic ceramic (a typical transparent ferroelectric ceramic) material. The outgoing ray of the functional component has high transmittance in the single transparent material with uniform density, the single transparent material with uniform density absorbs little light, the outgoing ray can be transmitted more truly, and the outgoing ray of the functional component can be refracted uniformly in the single transparent material with uniform density; the first bending part 21, the transparent filler 04, the optical filter and the cover plate which form the screen are matched to form the optical path transmission medium of the functional component 01, and the difference of the refractive indexes of the media of the components is utilized to change the optical path transmission direction to be close to the normal direction of the plane of the display module or the included angle of the optical path transmission direction is smaller than a preset angle.
In an embodiment of the invention, the refractive index of the transparent filler is changed in a gradient manner along the direction of the emergent light of the functional component, so that an included angle between the emergent light of the functional component and the normal direction of the plane of the display module is smaller than a preset angle. The preset angle is set according to actual conditions, for example, the preset angle range is 5-7 degrees, and can be 5 degrees or 7 degrees, and the invention does not specifically limit the preset angle as long as the functional components can be hidden to adapt to the use habits of users and ensure the screen occupation ratio of the comprehensive display screen. The transparent filler 04 is a composite layer structure made of transparent materials with different refractive indexes, and the transparent filler 04 with gradient change of the refractive index is formed. The transparent filler 04 with the gradient refractive index can ensure that a larger accumulated refraction angle is formed in the smaller accommodating chamber 41, and the emergent light which penetrates through the transparent filler 04 is more favorable to approach the normal direction of the plane of the display module.
As shown in fig. 2, a light path formed by the entire display panel according to an embodiment of the invention includes a transmission section 51 located in the first display module 02 and a refraction section 52 located in the transparent filler 04, and the transparent filler 04 includes a plurality of refraction layers, and refractive indexes of the refraction layers are increased in a gradient manner along the direction of the emergent light. Specifically, the transparent filler 04 includes a first refractive layer 42, a second refractive layer 43, and a third refractive layer 44 that are graded in sequence, the first refractive layer 42 is greater than the refractive index of the first display module 02, and the refractive indices of the first refractive layer 42, the second refractive layer 43, and the third refractive layer 44 are increased in steps.
In the overall display screen of the embodiment of the invention, each refraction layer of the transparent filler 04 gradually changes the refraction angle to enable the light path of the refraction section 52 to approach the normal direction of the plane of the display module, so that the distortion of the corresponding picture signal in the light path is smaller, and the picture signal is more beneficial to being corrected by adopting a mature signal processing technology.
As shown in fig. 3, a light path formed by the entire display panel according to an embodiment of the invention includes a transmission section 51 located in the first display module 02 and a refraction section 52 located in the transparent filler 04, and a refractive index of a first refraction layer through which the outgoing light passes among the refraction layers is the same as a refractive index of the first bending portion. Specifically, the transparent filler 04 comprises a first refraction layer 42, a second refraction layer 43 and a third refraction layer 44 which are in gradient change in sequence, the first refraction layer 42 is a first refraction layer through which emergent rays pass and is attached to the first display module 02, the refraction index of the first refraction layer 42 is the same as that of the second refraction layer 43, and the refraction index of the third refraction layer 44 is enhanced in a gradient manner.
The first refraction layer 42 of the transparent filler 04 in the overall display screen of the embodiment of the invention keeps the refraction effects of the transmission section 51 and the refraction section 52 consistent, so that the conduction angles of the light paths are kept consistent, and the optical signals are prevented from being interfered by reflection. The second refractive layer 43 and the third refractive layer 44 change the refractive angle step by step so that the refractive section 52 approaches the normal direction of the flat surface where the transparent filler 04 is flush with the flat surface portion.
As shown in fig. 4, a light path formed by the full-face display screen according to an embodiment of the present invention includes a transmission section 51 located in the first display module 02 and a refraction section 52 located in the transparent filler 04, the transparent filler 04 includes a first refraction layer 42, a second refraction layer 43 and a third refraction layer 44 which are gradually changed, wherein the thicknesses of the adjacent second refraction layer 43 and third refraction layer 44 have the following correlation with the incident angle and the refraction angle at the refraction interface 45:
SIN (incident angle) × incident layer thickness (second refractive layer 43 thickness) × SIN (exit angle) × exit layer thickness (third refractive layer 44 thickness), SIN being a sign of a sine function.
Preferably the thickness of third refractive layer 44 is maintained between 3 and 20 times the thickness of second refractive layer 43.
In accordance with an embodiment of the present invention, the thickness of the third refractive layer 44 is maintained at a value between 3 and 20 times the thickness of the second refractive layer 43, and the upper concavity or the upper convexity of the screen body can be realized by selecting the value.
The transparent filler 04 in the overall display screen provided by the embodiment of the invention can make the light path emitted from the flat surface of the transparent filler 04 closer to the normal direction by utilizing the thickness and refractive index change of the refractive layer.
As shown in fig. 5, the full-screen display panel according to an embodiment of the present invention is different from the above-mentioned embodiment in that the first bending portion 21 and the second bending portion 31 are sequentially formed by the first display module 02.
The first bending part 21 and the second bending part 31 formed on the same display module of the comprehensive display screen are beneficial to solving the technical problem that assembly work is poor and difficult to control when paired protruding parts formed by different display modules are assembled.
The display device of an embodiment of the invention comprises the overall display screen of the above embodiment, and is formed by sequentially assembling additional components such as an optical filter, a protective cover plate and the like on the flat surface of the overall display screen. The display device forms a screen of the mobile terminal.
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 (8)
1. A comprehensive display screen comprises a substrate and a display module positioned on one side of the substrate, and is characterized in that the display module comprises a plane part and a bending part, the bending part comprises a bending part body formed by bending from the plane part to one side of the substrate, one side of the bending part body, which is close to the substrate, is provided with a functional component, and the bending part body is filled with transparent filler to enable the bending part to be flush with the plane part;
the functional unit includes the camera, the refracting index of transparent filler is followed the direction of functional unit's emergent ray is gradient change, so that functional unit's emergent ray with the contained angle of the planar normal direction of display module assembly is less than preset the angle.
2. The full-face display screen according to claim 1, wherein the display module comprises a first display module and a second display module, the first display module is partially bent to form a first bending portion, the second display module is partially bent to form a second bending portion, the first bending portion and the second bending portion are in opposite contact to form an accommodating chamber, the transparent filler is filled in the accommodating chamber, the first bending portion comprises a first bending portion body formed by bending the first display module to the first side of the substrate, the second bending portion comprises a second bending portion body formed by bending the second display module to the first side of the substrate, and the functional component is located on one side of the first bending portion body and/or the second bending portion body, which is close to the substrate.
3. The full-face display screen according to claim 1, wherein the display module partially and sequentially forms a first bending portion and a second bending portion, the first bending portion and the second bending portion are abutted against each other to form a receiving chamber, the transparent filler is filled in the receiving chamber, the first bending portion includes a first bending portion body formed by bending the display module toward the substrate side, the second bending portion includes a second bending portion body formed by bending the display module toward the substrate side, and the functional component is located on a side of the first bending portion body and/or the second bending portion body close to the substrate.
4. A full screen display according to claim 2 or claim 3 wherein the first and second curved portions adopt one of the following matching configurations with respect to the arc and arc length of the planar portion:
the first bent portion and the second bent portion have the same radian and arc length relative to the plane portion;
the first bending part and the second bending part have different radians relative to the plane part and have the same arc length;
the first bending portion and the second bending portion are different in arc length and radian relative to the plane portion.
5. A full screen display in accordance with claim 1, wherein said transparent filler comprises a plurality of refractive layers having a refractive index which increases in steps along the direction of said outgoing light rays.
6. A full screen display according to claim 5 wherein the refractive index of the first of said plurality of refractive layers through which said outgoing light passes is the same as the refractive index of said curved portion.
7. The full-face display screen of claim 5, wherein the ratio of the thickness of the refraction layer on the side near the planar portion of the display module to the thickness of the adjacent refraction layer on the side away from the planar portion of the display module is between 3 and 20 times.
8. A display device comprising a full screen display as claimed in any one of claims 1 to 7.
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| CN201910152545.7A CN109935172B (en) | 2019-02-28 | 2019-02-28 | Comprehensive display screen and display device |
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| CN201910152545.7A CN109935172B (en) | 2019-02-28 | 2019-02-28 | Comprehensive display screen and display device |
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| CN109935172B true CN109935172B (en) | 2021-09-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111145658A (en) * | 2019-12-31 | 2020-05-12 | 武汉天马微电子有限公司 | Cover plate, manufacturing method thereof, display panel and electronic equipment |
| CN113888983B (en) * | 2021-11-01 | 2024-01-23 | 合肥维信诺科技有限公司 | Cover plate and flexible display module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089105A1 (en) * | 2008-01-04 | 2009-07-16 | Nanolumens | Flexible display |
| CN103095881B (en) * | 2011-10-27 | 2016-06-01 | 广州三星通信技术研究有限公司 | full screen mobile terminal |
| FR2987426B1 (en) * | 2012-02-29 | 2018-07-13 | Saint-Gobain Placo | LUMINOUS PANEL AND BUILDING WALL |
| CN103002084A (en) * | 2012-11-29 | 2013-03-27 | 广东欧珀移动通信有限公司 | Cell phone with bendable touch screen and push key structure thereof |
| DE202014000282U1 (en) * | 2014-01-13 | 2014-04-04 | Baran Köse | All-round display |
| CN104614855B (en) * | 2015-01-06 | 2017-02-22 | 京东方科技集团股份有限公司 | Light path adjustment unit and display device |
| CN106601780A (en) * | 2017-01-24 | 2017-04-26 | 北京小米移动软件有限公司 | Electrical device, display device and preparation method of display device |
| CN108769297A (en) * | 2018-03-28 | 2018-11-06 | 广东欧珀移动通信有限公司 | Electronic device and its manufacturing method |
| CN109120752B (en) * | 2018-08-21 | 2020-05-08 | Oppo广东移动通信有限公司 | Electronic device |
| CN109166463B (en) * | 2018-11-01 | 2020-09-29 | 上海天马微电子有限公司 | Display device and manufacturing method thereof |
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