CN115529373B - Terminal equipment and curved surface apron - Google Patents
Terminal equipment and curved surface apron Download PDFInfo
- Publication number
- CN115529373B CN115529373B CN202210086152.2A CN202210086152A CN115529373B CN 115529373 B CN115529373 B CN 115529373B CN 202210086152 A CN202210086152 A CN 202210086152A CN 115529373 B CN115529373 B CN 115529373B
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- Prior art keywords
- curved
- curved surface
- cover plate
- wall surface
- terminal device
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
Abstract
The embodiment of the application discloses a curved surface cover plate which can be applied to various types of terminal equipment such as mobile phones, tablet computers, watches and the like; taking the mobile phone as an example, the mobile phone can participate in forming a display screen of the mobile phone, and can also be used as a protective film of the display screen of the mobile phone; the curved surface cover plate comprises a plane part and a curved surface part, wherein the curved surface part comprises an inner wall surface and an outer wall surface, and the curvature of the inner wall surface is smaller than that of the outer wall surface. By the arrangement, the display performance of the curved surface part can be improved well, so that the display color accuracy of the curved surface part is reduced, the display performance of the curved surface part is close to that of the plane part, and the color cast problem is basically overcome; and moreover, the large curvature design of the outer wall surface can enable the curved cover plate to have a better appearance, and the small curvature design of the inner wall surface can be convenient to attach, so that the problem in the attaching process is well avoided. The embodiment of the application also discloses terminal equipment comprising the curved cover plate.
Description
Technical Field
The application relates to the technical field of terminal equipment, in particular to terminal equipment and a curved cover plate.
Background
Along with the popularization of the flexible display technology, the application of the curved screen in terminal equipment such as mobile phones, tablet computers and the like is gradually increased. Compared with the traditional plane screen, the curved surface screen has the advantages that the curved surface display area is additionally arranged while the plane display area is reserved, the display area can be effectively increased, the screen occupation ratio of the terminal equipment is improved, and the visual experience of a user can be further improved.
In the conventional scheme, the curvatures of the inner wall surface and the outer wall surface of the curved surface display area are consistent, and the curved surface display area of the terminal equipment is easily subjected to the influence of the curvature of the curved surface display area, so that the problem of color cast is solved, and the normal use of a user is seriously influenced.
Disclosure of Invention
The embodiment of the application provides a terminal device and a curved cover plate, wherein the curved cover plate can better solve the problem that a curved part is color-shifted.
In a first aspect, an embodiment of the present application provides a curved cover plate, which is applied to various types of terminal devices such as a mobile phone, a tablet computer, a watch, and the like, and includes a planar portion and a curved portion, where the curved portion includes an inner wall surface and an outer wall surface, and the curvature of the inner wall surface is smaller than that of the outer wall surface.
When the human eyes are looking forward at the curved surface, the JNCD value is the JNCD value under the small curvature corresponding to the inner wall surface, the JNCD value can be greatly reduced, the display performance of the curved surface can be better improved, the JNCD value of the curved surface is reduced to be below 7 or even lower, the display color accuracy of the curved surface is further reduced, the display performance of the curved surface is close to that of the plane, the color cast problem is basically overcome, the visual experience of a user can be ensured, and the popularization and the application of the curved surface screen in terminal equipment can be greatly promoted.
Meanwhile, due to the large curvature design of the outer wall surface, the curved cover plate has a better appearance, and the product competitiveness can be improved; the design of the small curvature of the inner wall surface can enable the inner wall surface to be flattened, so that the inner wall surface can be conveniently attached, and the problems of bubbles, wrinkles, cracks, stripping and the like common in an attaching process can be reduced, thereby being beneficial to ensuring the attaching reliability of the curved cover plate provided by the embodiment of the application.
Based on the first aspect, the embodiment of the present application further provides a first implementation manner of the first aspect: in the normal direction of the planar portion, the projection of the curved portion may encircle the planar portion. At this time, the curved surface portion can form the full enclosure in the circumference (around the direction of the normal direction of the planar portion) to the planar portion, and the scope of the curved surface portion is bigger, can increase the screen display region to a greater extent to guarantee the outward appearance effect of curved surface apron.
In practice, the relative positional relationship of the curved surface portion and the plane portion may be varied. In addition to the above-described fully enclosed scheme, the curved surface portion may partially enclose the planar portion only in the circumferential direction; and when the partial enclosure is performed, the curved surface portions at different positions in the circumferential direction of the planar portion may be connected or disconnected.
Based on the first aspect, or based on the first implementation manner of the first aspect, the embodiment of the present application further provides a second implementation manner of the first aspect: in the bending direction of the curved surface portion, the coverage area of the curved surface portion is less than or equal to 90 °.
With this arrangement, the curved cover plate may be provided on only one side (front or back) of the terminal device. Taking the front side of the terminal equipment as an example, the back and the side of the terminal equipment can be provided with the shell, on one hand, the overall strength of the terminal equipment can be improved, the possibility of damage to the display screen caused by the falling of the terminal equipment in the use process can be reduced, and on the other hand, more space can be reserved for the installation of the camera module, the physical keys and the like, so that the overall modeling design of the terminal equipment is more facilitated.
Based on the second implementation manner of the first aspect, the embodiment of the present application further provides a third implementation manner of the first aspect: the tangential surfaces of the two ends of the inner wall surface in the bending direction can be a first included angle, the tangential surfaces of the two ends of the outer wall surface in the bending direction can be a second included angle, and the absolute value of the difference value between the first included angle and the second included angle can be larger than or equal to 20 degrees. Therefore, the enough curvature difference between the inner wall surface and the outer wall surface of the curved surface part can be well ensured, the JNCD value of the curved surface part is controlled below 3.5, the color cast problem of the curved surface part can be well overcome, and the display performance of the curved surface part is better improved.
Based on the second implementation manner of the first aspect, the embodiment of the present application further provides a fourth implementation manner of the first aspect: the tangential surfaces of the two ends of the inner wall surface in the bending direction can form a first included angle, and the value range of the first included angle can be (0 degree, 90 degrees).
Based on the fourth implementation manner of the first aspect, the embodiment of the present application further provides a fifth implementation manner of the first aspect: the value range of the first included angle is [30 degrees, 60 degrees ] so as to better consider the convenience and reliability of the lamination of the curved surface part and the strength requirement of the curved surface part.
Based on the first aspect, the embodiment of the present application further provides a sixth implementation manner of the first aspect: the coverage of the curved surface portion may be greater than 90 ° in the bending direction of the curved surface portion. Under the scheme, the curved surface part can participate in curved surface display and can also be used as a clamping structure, so that the reliable installation of the curved surface cover plate in the terminal equipment provided by the embodiment of the application is more beneficial to be ensured; in addition, the coverage area of the curved surface part is increased, the area of the display area can be enlarged, and the visual experience of a user can be further increased.
Based on the sixth implementation manner of the first aspect, the embodiment of the present application further provides a seventh implementation manner of the first aspect: the number of the plane parts can be two, the two plane parts can be arranged at intervals along the normal direction of the plane parts, the number of the curved surface parts can be two, the two curved surface parts can be arranged at intervals, the coverage range of the two curved surface parts in the respective bending directions can be 180 degrees, and the two plane parts can be connected through the two curved surface parts.
By the arrangement, the curved cover plate provided by the embodiment of the application can provide coverage in a larger range for terminal equipment, and the screen display area can be larger, so that the visual experience of a user is improved.
Based on the sixth implementation manner of the first aspect, the embodiment of the present application further provides an eighth implementation manner of the first aspect: the number of the plane parts is two, the two plane parts can be arranged at intervals, the number of the curved surface parts can be two, the two curved surface parts are arranged at intervals, the direction of the two plane parts at intervals and the direction of the two curved surface parts at intervals can be perpendicular, and the coverage area of the two curved surface parts in the respective bending directions can be 180 degrees; in the direction in which the curved surface portions are spaced apart, one of the two planar portions may include a first partial portion and a second partial portion spaced apart, the first partial portion may be connected to the other of the two planar portions by one of the curved surface portions, and the second partial portion may be connected to the other of the two planar portions by the other of the curved surface portions.
By adopting the scheme, the curved cover plate does not form 360-degree coverage, the shell can be provided with an exposed area between the first partial surface and the second partial surface, and the exposed area can be used for arranging components such as physical keys, camera modules and the like so as to better meet the application requirements of terminal equipment; and the whole strength of the terminal equipment is improved, so that the possibility of damage to the display screen caused by falling and other conditions is reduced.
Based on the first aspect, or based on any one of the first to eighth embodiments of the first aspect, the present embodiment further provides a ninth embodiment of the first aspect: the thickness of the curved surface part at the minimum thickness is greater than or equal to 0.4mm to ensure the strength of the curved surface part.
Based on the first aspect, or based on any one of the first to ninth embodiments of the first aspect, the present embodiment further provides a tenth embodiment of the first aspect: the curved cover plate is made of glass or plastic.
Based on the first aspect, or based on any one of the first to tenth embodiments of the first aspect, the present embodiment further provides an eleventh embodiment of the first aspect: the curved cover plate is a film of terminal equipment, such as a common toughened film, a common hydrogel film and the like.
In a second aspect, an embodiment of the present application further provides a terminal device, including the curved cover plate according to the first aspect or any one of the implementation manners of the first aspect.
Since the curved cover plate provided in the first aspect has the technical effects as described above, the terminal device having the curved cover plate also has similar technical effects, and thus will not be described herein.
Drawings
Fig. 1 is a schematic structural diagram of a specific implementation of a terminal device according to an embodiment of the present application;
FIG. 2 is a top view of a first embodiment of a curved cover plate according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of one version of FIG. 2 taken in the direction A-A;
FIG. 4 is a cross-sectional view of the alternative embodiment of FIG. 2 taken in the direction A-A;
FIG. 5 is a top view of a second embodiment of a curved cover plate according to an embodiment of the present application;
FIG. 6 is a cross-sectional view of a third embodiment of a curved cover plate according to an embodiment of the present application;
FIG. 7 is a cross-sectional view of another embodiment of a curved cover plate according to an embodiment of the present application;
FIG. 8 is a cross-sectional view of a fourth embodiment of a curved cover plate according to an embodiment of the present application;
FIG. 9 is a cross-sectional view of another embodiment of a curved cover plate according to an embodiment of the present application;
fig. 10 is a cross-sectional view of the variant of fig. 9.
The reference numerals in fig. 1-10 are illustrated as follows:
100 terminal equipment, 101 casing, 102 apron.
A 1 planar portion, a 1a first planar portion, a 1b second planar portion;
2 curved surfaces, 2a first curved surfaces, 2b second curved surfaces, 21 inner wall surfaces, 22 outer wall surfaces.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a specific implementation of a terminal device according to an embodiment of the present application.
The terminal device 100 referred to in the embodiments of the present application may include a handheld device, an in-vehicle device, a wearable device, a computing device, or other processing device connected to a wireless modem. And may also include a terminal device 100 with a display screen, such as a cellular phone, smart phone, personal digital assistant, tablet, laptop, smartwatch, smartband, car computer, etc. The embodiment of the present application does not limit the specific form of the terminal device 100, and for convenience of understanding, the following description will take the terminal device 100 as an example of a mobile phone.
As shown in fig. 1, a terminal device 100 may generally include a housing 101 and a display screen. The housing 101 may have a receiving cavity formed therein, and various components of the terminal device 100 may be disposed in the receiving cavity, and specific components may include a battery, a motherboard antenna bracket, a camera assembly, etc., and the disposition and installation manner of these components are not limited herein, and may be specifically configured according to actual needs.
The housing 101 serves as an external frame, and can function to protect the terminal device 100. The display screen may be mounted to the housing 101. In some embodiments, the housing 101 may include a center frame and a rear cover, and the aforementioned display screen may be fixedly mounted on the center frame. The material of the casing 101 is not limited herein, and in specific practice, those skilled in the art may select according to actual needs; for example, the material may be any one or a combination of several of a metal material, a plastic material, a ceramic material, a glass material, and the like.
The display screen may be provided on the front surface of the terminal device 100, may be provided on the rear surface of the terminal device 100, or may be provided on both the front surface and the rear surface of the terminal device 100. The front side of the terminal device 100 may be understood as the side facing the user when the user uses the terminal device 100, and the back side of the terminal device 100 may be understood as the side facing away from the user when the user uses the terminal device 100.
Taking the front side of the terminal device 100 as an example, in terms of arrangement range, the display screen can cover all areas of the front side of the terminal device 100, that is, the terminal device 100 with a full screen can be formed, at this time, the display screen has not only a display function, but also a touch function, that is, the terminal device 100 can be operated by clicking the display screen; alternatively, the display screen may cover only a partial area on the front side of the terminal device 100, which is a possible choice in specific practice, and in this case, the display screen may have a touch function or may have a display function only, and it is understood that, when only the display function is provided, a region where the housing 101 is not provided with the display screen may be provided with corresponding man-machine operation components such as keys, so as to operate the terminal device 100, and these man-machine operation components may be provided at any position such as the front side, the back side, or the side of the terminal device 100.
The display screen can be an organic light emitting diode display screen or a liquid crystal display screen, etc. Moreover, the display screen may employ a flexible screen so as to form a curved surface, thereby improving the screen occupation ratio of the terminal device 100 and improving the visual experience of the user. The display screen generally includes a display panel (not shown) for display and located between the cover plate 102 and the case 101, and a cover plate 102 for forming an outer shape of the display screen. The cover plate 102 may be made of glass, plastic, or the like, as long as the display is not affected.
The cover plate may generally include a planar portion and a curved portion based on the arrangement of the curved screen. The curved surface portion includes an inner wall surface and an outer wall surface, wherein the outer wall surface refers to a surface of the curved surface portion facing away from the display panel, and the inner wall surface refers to a surface of the curved surface portion facing toward the display panel. In a conventional scheme, the curvatures of the inner wall surface and the outer wall surface of the curved surface part are the same, the curved surface part is of equal thickness, when a human eye looks at the curved surface part, the obtained JNCD (Just Noticeable Color Difference, namely color expression accuracy) value is the JNCD value under the curvature of the inner wall surface/the outer wall surface, and the JNCD value is generally above 7 through test, so that the whole display image presented by the curved surface part can generate powder or green, the original color of the video/image can not be well restored, and serious color cast problem occurs, which greatly influences the visual experience of the user and is unfavorable for popularization and application of the curved surface screen in the terminal equipment 100.
In view of this, the embodiment of the present application provides a curved cover plate, which can reduce the JNCD value of the curved portion to below 7, even below 3.5, when applied to the aforementioned terminal device 100, so as to fully reduce the accuracy of color display on the curved portion, and thereby better overcome the color cast problem that occurs in the conventional scheme. Referring to fig. 2-5, fig. 2 is a top view of a first embodiment of a curved cover plate according to an embodiment of the present application, fig. 3 is a cross-sectional view of one embodiment in A-A direction in fig. 2, fig. 4 is a cross-sectional view of another embodiment in A-A direction in fig. 2, and fig. 5 is a top view of a second embodiment of a curved cover plate according to an embodiment of the present application.
As shown in fig. 2, an embodiment of the present application provides a curved cover plate, which includes a planar portion 1 and a curved portion 2. The projection of the curved surface portion 2 in the normal direction of the planar portion 1 may surround the planar portion 11, i.e., the curved surface portion 2 may be located around the planar portion 1 to form a four-curved structure.
In practice, the installation position of the curved surface portion 2 relative to the planar portion 1 is not limited, and may be adjusted as needed by those skilled in the art in practical implementation. In addition to the four-curved structure shown in fig. 2, the scheme in fig. 5 may be adopted, and in the embodiment of fig. 5, the curved surface portions 2 are located only on two sides of the planar portion 1, so that a hyperboloid structure may be formed; alternatively, a tri-curved structure or a single-curved structure may be formed. In other words, the curved surface portion 2 may entirely surround the planar portion 1 in the circumferential direction (a direction surrounding the normal direction of the planar portion 1), or may partially surround the planar portion 1 in the circumferential direction; and when the partial enclosure is performed, the curved surface parts 2 at different positions in the circumferential direction of the plane part 1 may be connected or not, and all the solutions can be adopted in specific practice.
Referring to fig. 3 and 4, the curved surface portion 2 may include an inner wall surface 21 and an outer wall surface 22, and the curvature of the inner wall surface 21 may be smaller than the curvature of the outer wall surface 22. In this way, when the human eyes look at the curved surface 2, the obtained JNCD value is the JNCD value of the inner wall surface 21 (i.e., the JNCD value with small curvature), the JNCD value can be greatly reduced, and further the display performance of the curved surface 2 can be better improved, so as to restore the display color accuracy of the curved surface 2, so that the display performance of the curved surface 2 is close to that of the planar portion 1, the problem of color cast can be better overcome, thereby ensuring the visual experience of the user, and greatly promoting the popularization and application of the curved surface screen in the terminal device 100.
Meanwhile, due to the large curvature design of the outer wall surface 22, the curved cover plate has a better appearance, and the product competitiveness can be improved; the small curvature design of the inner wall surface 21 can enable the inner wall surface 21 to be flattened, so that the bonding can be conveniently performed, the common problems of bubbles, wrinkles, cracks, stripping and the like in the bonding process can be reduced, and the bonding reliability can be guaranteed.
It should be noted that, in the embodiment of the present application, the curvature value of the inner wall surface 21 and the curvature value of the outer wall surface 22 are not limited, and in specific practice, the curvature value of the outer wall surface 22 may be determined according to the design requirement of the product, and the curvature value of the inner wall surface 21 may be determined by combining a certain simulation experiment or the like.
In addition, the coverage of the curved surface portion 2 in the curved direction is not limited in the embodiment of the present application, and in specific practice, those skilled in the art may configure the present application according to actual needs.
With the conventional scheme of providing a display screen only on the front surface of the terminal device 100, the coverage of the curved surface portion 2 in the bending direction thereof may be less than or equal to 90 °. In the embodiment shown in fig. 3 and 4, the coverage of the curved surface portion 2 in the bending direction is 90 °. At this time, the angle formed by the tangential planes at both ends of the inner wall surface 21 in the bending direction can be referred to as a first angle α 1 And the angle formed by the tangential planes of the outer wall surface 22 at both ends in the bending direction can be referred to as a second angle alpha 2 First included angle alpha 1 And a second included angle alpha 2 The absolute value of the difference of (2) may be greater than or equal to 20 °, under which conditions the JNCD value of the curved surface portion 2 may be substantially guaranteed to be below 3.5.
Of course, in specific practice, the first angle α may also be 1 A second included angle alpha 2 A first included angle alpha 1 And a second included angle alpha 2 The absolute value of the difference of (c) is set to other values as long as the use requirement can be satisfied.
The solutions of the present application, in which the curvatures of the inner wall surface 21 and the outer wall surface 22 are different, may be implemented by a solution of pre-thinning and then hot bending, or may be implemented by a solution of injection molding. In the former case, the outer wall portion of the curved surface portion 2 may be reduced in actual productionThin, this embodiment can be seen in FIG. 3, where the thinned portion is a beveled section (the section lines of the thinned portion are identical and will not be described further herein), where the first included angle α 1 Is greater than the second included angle alpha 2 The curvature of the outer wall surface 22 is greater than that of the inner wall surface 21; alternatively, the inner wall portion of the curved surface portion 2 may be thinned, which may be seen in fig. 4, where the first angle α is 1 Less than the second included angle alpha 2 The curvature of the outer wall surface 22 is greater than that of the inner wall surface 21.
Referring to fig. 4, in the case where the coverage of the curved surface portion 2 is 90 ° or less, the smaller the curvature of the inner wall surface 21, the first included angle α 1 The smaller the value of (2) is, the better the color cast problem of the curved surface part is improved. In the embodiment of the present application, the first included angle α may be 1 The value range of (2) is set to 0 DEG<α 1 ≤90°。
It will be appreciated that the first included angle alpha 1 The smaller the value of (2), the more gentle the inner wall surface 21 is, and the more favorable the fitting of the inner wall surface is; however, under the condition that the curvature of the outer wall surface 22 is constant, i.e., the second included angle α 2 Under certain conditions, if the first included angle alpha 1 Too small, the end of the inner wall surface 21 away from the flat surface portion 1 is too close to the outer wall surface 22, which results in too small a minimum thickness value L at the minimum thickness of the curved surface portion 2, which in turn affects the strength of the curved surface portion 2. Therefore, in the embodiment of the present application, the first included angle α 1 The value range of (2) is set to be 30 degrees less than or equal to alpha 1 Less than or equal to 60 degrees so as to better consider the convenience of lamination and the strength requirement of the curved surface part 2.
In practice, the coverage of the curved surface portion 2 may be greater than 90 ° along the curved direction of the curved surface portion 2. At this time, the curved surface section 2 may cover not only the front surface of the terminal device 100 but also the back surface of the terminal device 100.
Referring specifically to fig. 6 to 10, fig. 6 is a cross-sectional view of an embodiment of a curved cover plate according to the present application, fig. 7 is a cross-sectional view of an embodiment of a curved cover plate according to the present application, fig. 8 is a cross-sectional view of a fourth embodiment of a curved cover plate according to the present application, fig. 9 is a cross-sectional view of an embodiment of a curved cover plate according to the present application, and fig. 10 is a cross-sectional view of a variant of fig. 9.
In some embodiments, as shown in fig. 6 and 7, the coverage of the curved surface portion 2 in the bending direction may be 180 °, and two curved surface portions 2 may be provided on both sides of the planar portion 1, respectively. In this embodiment, after the curved cover plate is installed, the two curved portions 2 may further form two clamping structures, which is more beneficial to ensuring reliable installation of the curved cover plate in the terminal device 100.
It should be noted that, the curved surface portion 2 with a coverage area greater than 90 ° in the bending direction may be understood as a butt joint of two curved surface portions, where the coverage areas of the two butt joint curved surface portions may be M ° and N °, and M/N is less than or equal to 90, respectively, and the structures of the two butt joint curved surface portions may be designed with reference to the foregoing description, and will not be repeatedly described herein.
In other embodiments, as shown in fig. 8 and 9, the number of the flat surface portion 1 and the curved surface portion 2 may be two. For convenience of description, the two planar portions 1 may be referred to as a first planar portion 1a and a second planar portion 1b, respectively, and the two curved surface portions 2 may be referred to as a first curved surface portion 2a and a second curved surface portion 2b, respectively. The coverage areas of the first curved surface portion 2a and the second curved surface portion 2b may be 180 °, the first flat surface portion 1a and the second flat surface portion 1b may be disposed opposite to each other, the first curved surface portion 2a and the second curved surface portion 2b may be disposed opposite to each other, and the left sides of the first flat surface portion 1a and the second flat surface portion 1b may be connected through the first curved surface portion 2a, and the right sides of the first flat surface portion 1a and the second flat surface portion 1b may be connected through the second curved surface portion 2b, as shown in fig. 8 and 9. In this embodiment, the curved cover plate is an annular cover part, so that 360 ° coverage can be realized, not only can the installation reliability of the terminal device 100 be improved, but also the screen display area can be increased to the greatest extent.
Further, as a modification of the scheme of fig. 9, as shown in fig. 10, in a direction in which the first curved surface portion 2a and the second curved surface portion 2b are spaced apart, the second planar surface portion 1b may include a first partial surface portion 1b-1 and a second partial surface portion 1b-2 spaced apart, the first partial surface portion 1b-1 may be connected to the first planar surface portion 1a through the first curved surface portion 2a, and the second partial surface portion 1b-2 may be connected to the first planar surface portion 1a through the second curved surface portion 2b. In this way, the curved cover plate does not form a 360-degree coverage, and the casing 101 has an exposed area between the first part 1b-1 and the second part 1b-2, and the exposed area can be used for setting components such as physical keys, a camera module and the like so as to better meet the application requirements of the terminal equipment.
In the embodiment of the present application, the curved surface portion 2 is formed in a non-uniform thickness design due to the different curvatures of the inner wall surface 21 and the outer wall surface 22. To ensure the strength requirement of the curved surface portion 2, the thickness at the minimum thickness of the curved surface portion 2 may be set to be greater than or equal to 0.4mm.
Of course, the minimum thickness value may also be different according to different requirements of different types of terminal devices 100, and in specific practice, those skilled in the art may also design the minimum thickness value according to actual requirements.
In the above description, the curved cover plate is used as a component to be disposed on the terminal device 100 before the product leaves the factory. In fact, the curved cover plate provided by the embodiment of the present application may also be used as a protective film for covering and assembled to the terminal device 100 after the product leaves the factory, and in this case, before the curved cover plate is not installed to the terminal device 100, the curved cover plate and the terminal device 100 are mutually independent components. The curved cover plate can be a film of various forms such as a toughened film, a hydrogel film and the like.
The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application, which are intended to be comprehended within the scope of the present application.
Claims (7)
1. The curved surface cover plate is characterized by comprising a plane part and a curved surface part, wherein the curved surface part comprises an inner wall surface and an outer wall surface, the curvature of the inner wall surface is smaller than that of the outer wall surface, the thickness of the curved surface part is smaller than or equal to that of the plane part, and the thickness of the minimum thickness of the curved surface part is larger than or equal to 0.4mm;
in the bending direction of the curved surface part, the coverage area of the curved surface part is smaller than or equal to 90 degrees, the tangents of the two ends of the inner wall surface in the bending direction are provided with a first included angle, the tangents of the two ends of the outer wall surface in the bending direction are provided with a second included angle, the absolute value of the difference value between the first included angle and the second included angle is larger than or equal to 20 degrees, and the color representation precision value of the curved surface part is smaller than or equal to 3.5.
2. The curved cover plate of claim 1, wherein a projection of said curved portion, in a direction normal to said planar portion, surrounds said planar portion.
3. The curved cover plate of claim 1, wherein said first included angle has a value in the range of (0 °,90 °).
4. The curved cover plate of claim 3, wherein said first included angle has a value in the range of [30 °,60 ° ].
5. The curved cover plate of any of claims 1-4, wherein the curved cover plate is made of glass or plastic.
6. The curved cover plate of any of claims 1-4, wherein the curved cover plate is a film for a terminal device.
7. A terminal device comprising a curved cover plate according to any one of claims 1-6.
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| CN202210086152.2A CN115529373B (en) | 2022-01-25 | 2022-01-25 | Terminal equipment and curved surface apron |
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| CN202210086152.2A CN115529373B (en) | 2022-01-25 | 2022-01-25 | Terminal equipment and curved surface apron |
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| Publication number | Publication date |
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| CN115529373A (en) | 2022-12-27 |
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