The present application relates to the technical field of display apparatuses, and in particular to a foldable display apparatus.
Compared with traditional display apparatuses, a foldable display apparatus has advantages of being foldable, lighter and thinner, which has become the development trend of display apparatuses.
The foldable display apparatus usually has three states: a front-folded state, a back-folded state, and an unfolded state. The foldable display apparatus usually includes a flexible screen and support parts for supporting the flexible screen. A switch among the front-folded state, the back-folded state, and the unfolded state of the foldable display apparatus can be realized by changing the shapes and positions of the support parts. When the foldable display apparatus is in the front-folded state, the support parts are located on both sides of the folded flexible screen; when the foldable display apparatus is in the back-folded state, the support parts are located between two halves of the half-folded flexible screen.
When the foldable display apparatus is in the front-folded state, the bent portion of the flexible screen is drop-shaped, the foldable display apparatus has a thick thickness after being folded, and due to a squeezing action on the bent portion of the flexible screen from the support parts, there will be a failure in the flexible screen so that it cannot be displayed normally.
In view of the foregoing problem, embodiments of the present application provide a foldable display apparatus to solve the problem that the foldable display apparatus becomes thick and fails to display normally when the foldable display apparatus is in the front-folded state.
In order to achieve the foregoing objective, the embodiments of the present application provide the following technical solutions:
The first aspect of the embodiments of the present application provides a foldable display apparatus, which includes a flexible screen, a fixed portion, a support member, and two groups of rotating members;
Compared with related technologies, the foldable display apparatus provided by the embodiments of the present application has the following advantages.
In the foldable display apparatus provided by the embodiments of the present application, the foldable display apparatus includes a flexible screen, a support member, two groups of rotating members and a fixed portion, the support member includes an first support part and two second support parts arranged on both sides of the first support part, and the two second support parts and the first support part jointly support the flexible screen; the two groups of rotating members are located on both sides of the first support part, each group of the rotating members includes a crankshaft, a rotating part, a connecting lever, and a connecting rod, where the rotating part is slidably connected to the second support part located on the same side of the first support part with the rotating part, the fixed portion is located at one end of the crankshaft, the connecting lever is hinged at its two ends to the fixed portion and the rotating part respectively, the crankshaft drives the rotating part to rotate, the rotating part is slidably connected to the crankshaft, the rotating part slides toward the crankshaft along a thickness direction of the flexible screen, the connecting rod is hinged at its two ends to the fixed portion and one of the same second support part respectively, and the second support part slides relative to the rotating part along a first direction of the flexible screen to a side away from the first support part. The rotating part rotates under a combined action of the crankshaft and the connecting lever and slides toward the crankshaft, and the sliding direction is the thickness direction of the flexible screen. The second support part rotates under a combined action of the rotating part and the connecting rod, and slides relative to the rotating part toward the side away from the first support part, and the sliding direction is the first direction of the flexible screen. The bent portion of the flexible screen is U-shaped under the action of the second support parts, and the foldable display apparatus has a thin thickness after being folded in half; the flexible screen is fixed to the two second support parts, and the distance from the two second support parts to the first support part increases, and the bent portion of the flexible screen is not subjected to the squeezing action of the first support part. In this way, it is secured that the foldable display apparatus has a thin thickness and can display normally in the front-folded state.
In addition to the technical problem solved by the embodiments of the present application as described above, the technical features constituting the technical solutions and the beneficial effects produced by the technical features of these technical solutions, other technical problems solved by the foldable display apparatus provided by the embodiments of the present application, other technical features included in the technical solutions and the beneficial effects produced by these technical features will be further described in detail in the embodiments.
In order to describe the technical solutions in the embodiments of the present application or related technologies more clearly, the following will briefly introduce drawings that need to be used in the description of the embodiments or related technologies. Obviously, the drawings described below are some embodiments of the present application, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
In order to make the purpose, features and advantages in embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described as follows clearly and comprehensively in conjunction with accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are merely some rather than all embodiments of the present application. Based on the embodiments of the present application, all the other embodiments acquired by those skilled in the art without creative efforts shall fall into the protection scope of the present application.
An embodiment of the present application provides a foldable display apparatus. The foldable display apparatus may be, for example, a foldable mobile phone, and the foldable display apparatus can be folded in half along a folding line.
As shown in
The foldable display apparatus in the embodiment of the present application has at least two states: a front-folded state shown in
As shown in
In the specific embodiment shown in
When the two second support parts 22 are folded in half relative to the first support part 21 and in turn the flexible screen 10 is driven to be folded in half, the distance from the second support parts 22 to the first support part 21 increases, moreover, the flexible screen 10 is fixed to the two second support parts 22, and the flexible screen 10 is unbounded to the first support part 21, so that the bent portion of the flexible screen 10 is protected from being squeezed by the first support part 21, and the normal display of the flexible screen 10 is secured. At the same time, the first support part 21 can also support the first portion of the flexible screen 10. For the foldable display apparatus in the embodiment of the present application, since the connecting mode between the rotating part 32 and the second support part 22 and the connecting mode between the rotating part 32 and the crankshaft 31 are both slidable connections, the length change resulting from the closing and opening of the flexible screen 10 can be avoided, and the use of the connecting lever 33 and the connecting rod 34 can restrict the motion trajectory of the rotating part 32.
For the foldable display apparatus in the embodiment of the present application, the rotating part 32 rotates under a combined action of the crankshaft 31 and the connecting lever 33 and slides toward the crankshaft 31, where the sliding direction is the thickness direction of the flexible screen 10. The second support part 22 rotates under a combined action of the rotating part 32 and the connecting rod 34, and slides relative to the rotating part 32 toward the side away from the first support part 21, where the sliding direction is the first direction of the flexible screen 10. The bent portion of the flexible screen 10 is U-shaped under the action of the second support parts 22, and the foldable display apparatus has a thin thickness after being folded in half; the flexible screen 10 is fixed to the two second support parts 22, and the distance from the two second support parts 22 to the first support part 21 increases, and the bent portion of the flexible screen 10 is not squeezed by the first support part 21. In this way, it is secured that the foldable display apparatus has a thin thickness and can display normally in the front-folded state.
In a specific embodiment, the foldable display apparatus further includes synchronization mechanisms 70 connected to the crankshafts 31 of the two groups of rotating members 30. The crankshafts 31 of the two groups of rotating members 30 rotate synchronously under the action of the synchronization mechanisms 70. The crankshafts 31 rotate synchronously, so that the two half-folded portions of the foldable display apparatus move synchronously, specifically, the synchronization mechanism 70 includes, for example, a worm gear mechanism or a gear mechanism. When the number of shafts (including the worm gear) is odd, the synchronization mechanism 70 is a worm gear mechanism; when the number of shafts (including the worm gear) is even, the synchronization mechanism 70 is a gear mechanism, and there is no need to use a worm gear. The use of the synchronization mechanisms 70 can make the rotating members located on both sides of the first support part change the distance to the middle at the same time, reducing the overall thickness after folding.
In a specific embodiment, as shown in
In a specific embodiment, the first support part 21 is in an elongated shape, and each group of the rotating members 30 includes two crankshafts 31 symmetrically arranged along the length direction of the first support part 21 (direction C in
In the specific embodiment shown in
In the specific embodiment shown in
In the specific embodiment shown in
In the specific embodiment shown in
In the specific embodiment shown in
In the specific embodiment shown in
For the foldable display apparatus in the embodiment of the present application, the crankshaft 31 drives the rotating part 32 to rotate. The rotating part 32 slides toward the crankshaft 31 under the action of the connecting lever 33, and the sliding direction is the thickness direction of the flexible screen 10. The bent portion of the flexible screen 10 is U-shaped under the action of the support part 222. The rotating part 32 drives the support frame 221 to rotate. The support frame 221 slides relative to the rotating part 32 under the action of the connecting rod 34, and the sliding direction is the first direction of the flexible screen 10. The bent portion of the flexible screen 10 is not subjected to the squeezing action of the first support part 21. In this way, it is ensured that the foldable display apparatus has a thin thickness and can display normally in the front-folded state.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that, they can make modifications to the technical solutions described in the foregoing embodiments, or equivalently replace some or all of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions in the embodiments of the present application.
Number | Date | Country | Kind |
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201911054635.9 | Oct 2019 | CN | national |
This application is a continuation of International Application No. PCT/CN2020/108721, filed on Aug. 12, 2020, which claims priority to Chinese Patent Application No. 201911054635.9, filed on Oct. 31, 2019. Both of the above applications are hereby incorporated by reference in their entireties.
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Entry |
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Number | Date | Country | |
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20220053654 A1 | Feb 2022 | US |
Number | Date | Country | |
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Parent | PCT/CN2020/108721 | Aug 2020 | US |
Child | 17514293 | US |