CN110162139B - Electronic equipment terminal with multiple display screens and screen control method thereof - Google Patents

Electronic equipment terminal with multiple display screens and screen control method thereof Download PDF

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Publication number
CN110162139B
CN110162139B CN201910443036.XA CN201910443036A CN110162139B CN 110162139 B CN110162139 B CN 110162139B CN 201910443036 A CN201910443036 A CN 201910443036A CN 110162139 B CN110162139 B CN 110162139B
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screen
transverse
display
longitudinal
transverse screen
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CN110162139A (en
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蔡绍宗
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Advance Technology International Co ltd
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Advance Technology International Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652Details 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides an electronic equipment terminal with a plurality of display screens and a screen control method thereof. The electronic equipment terminal with the multiple display screens comprises a base body with an input part and a longitudinal screen body with a display part, wherein the longitudinal screen body at least comprises a first transverse screen part and a second transverse screen part, a first side long edge of the first transverse screen part is connected with the second transverse screen part in an openable and closable mode, a short edge of the first transverse screen part is in a longitudinal mode of the longitudinal screen body, a second side long edge of the first transverse screen part is connected with the base body in an openable and closable mode, the first transverse screen part is provided with a first plane part and a first arc part, the first plane part is in the first transverse screen part in the direction of the short edge, and the first arc part is in the second side long edge. The electronic equipment terminal with the plurality of display screens and the screen control method thereof have the display screens with the bent longitudinal parts, are particularly suitable for working conditions that characters are used as main bodies or long-time bending is carried out, and bring visual angle comfort for users.

Description

Electronic equipment terminal with multiple display screens and screen control method thereof
Technical Field
The invention belongs to the technical field of mobile equipment, and particularly relates to an electronic equipment terminal with a plurality of display screens and a screen control method thereof.
Background
The current electronic equipment terminal, such as a notebook computer, mostly adopts a base body with an input part (such as a keyboard) and a screen with a display part, and the screen is movably connected with the base body to ensure that the screen and the base body can be opened and closed, and can meet the working condition requirements of the notebook computer in use and storage. As is well known, the current notebook computer screens are all horizontal display screens, that is, horizontal screens known in the art, which are more suitable for browsing and viewing photos and videos, while the requirements for document processing have great defects, for example, the vertical paper size can only display half of the height of the horizontal screen, the whole page needs to be turned over when viewed, the user experience is not ideal, for program writers in the IT industry, a large number of lines and a small number of words per line are ideal writing and viewing modes, because human sight is better at tracking and comparing objects vertically, and horizontal linear tracking reads one character with low efficiency and easy dislocation; the overall lower height of the transverse screen directly leads to that the head of a person always needs to be lowered downwards when the person watches the screen, and a plurality of chronic muscle strains and office diseases are caused by long-time bad postures; in addition, most of the existing electronic equipment terminals are of a planar structure on a display screen, and the structure does not accord with the visual angle characteristic of human beings, so that the comfort is not good enough. Based on the foregoing, the present invention is provided.
Disclosure of Invention
Therefore, an object of the present invention is to provide an electronic device terminal with multiple display screens and a screen control method thereof, wherein the display screens with curved longitudinal portions are particularly suitable for working conditions mainly with characters or over a long time, so as to provide comfortable visual angle for users.
In order to solve the above problems, the present invention provides an electronic device terminal with multiple display screens, including a base body with an input portion, and a longitudinal screen body with a display portion, where the longitudinal screen body at least includes a first transverse screen portion and a second transverse screen portion, a first side long edge of the first transverse screen portion is connected to the second transverse screen portion in an openable and closable manner, a short edge of the first transverse screen portion and a short edge of the second transverse screen portion are both in a longitudinal direction of the longitudinal screen body, a second side long edge of the first transverse screen portion is connected to the base body in an openable and closable manner, the first transverse screen portion has a first plane portion and a first arc portion, the first plane portion and the first arc portion are sequentially arranged in a direction where the short edge of the first transverse screen portion is located, and the first arc portion is located on one side of the second side long edge.
Preferably, the length of the short side of the first transverse screen part is L1, the length of the short side of the second transverse screen part is L2, L1+ L2 is more than or equal to 16cm, and the length of the long side of the first transverse screen part is W; and/or the length of the long edge of the second transverse screen part is W, and L1+ L2 is more than or equal to L1 or L1+ L2 is more than or equal to L2.
Preferably, the second transverse screen portion has a second flat portion and a second arc portion, the second flat portion and the second arc portion are sequentially arranged in a direction of a short side of the second transverse screen portion, and the first arc portion and the second arc portion are respectively located at two longitudinal ends of the longitudinal screen body.
Preferably, the second arc part is made of a flexible screen material; and/or the second transverse screen part is made of flexible screen material.
Preferably, an opening direction between the first transverse screen portion and the base body is opposite to an opening direction between the first transverse screen portion and the second transverse screen portion.
Preferably, the input part includes a physical keyboard or a touch screen keyboard, and the physical keyboard or the touch screen keyboard is embedded in the base body.
Preferably, the first transverse screen part is connected with the base body in an openable and closable manner through an electric hinge; and/or the first transverse screen part is connected with the second transverse screen part in an openable and closable manner through an electric hinge.
The invention also provides a screen control method of the electronic equipment terminal, which is used for controlling the display part of the electronic equipment terminal, and when the longitudinal screen body and the base body are in folded states, the display part is controlled to be in a flat panel mode; when the longitudinal screen body and the base body are in an opening state and the first transverse screen part and the second transverse screen part are in a folding state or a partially unfolded state, controlling the display part to be in a transverse screen mode; and when the longitudinal screen body and the base body are in an open state and the first transverse screen part and the second transverse screen part are in a fully unfolded state, controlling the display part to be in a longitudinal screen mode.
Preferably, when the display portion is in a portrait mode or in a landscape mode, a display screen of the display portion of the first landscape portion is different from a display screen of the display portion of the second landscape portion.
Preferably, when the display part is in the landscape mode, the display screen of the display part of the first landscape screen part is the same as the display screen of the display part of the second landscape screen part.
On one hand, because a longitudinal screen body formed by the first transverse screen part and the second transverse screen part is adopted, the electronic equipment terminal has higher selection flexibility on a display mode, for example, when a user processes a text file and browses a webpage, the longitudinal screen body can be selected to be in a longitudinal display mode, and when the user watches video and audio, one of the first transverse screen part and the second transverse screen part in the longitudinal screen body can be selected to be in a transverse display mode; on the other hand, the first arc portion is arranged to make the display of the first horizontal screen portion more consistent with the characteristics of the human viewing angle, specifically, because of the distance problem of light traveling along a straight line and the human eye shape configuration problem, the longitudinal line of sight of a human being towards the more central position of the screen is similar ")" arc, because the eyes are slightly different from three positions when the eyes watch the three positions above, in the middle and below of the screen, and if the whole piece of the longitudinal screen body is a pure plane, the long-time watching of the pure plane screen will cause discomfort. Therefore, as in the technical scheme, at least the lower part of the whole longitudinal screen body is configured to be similar to an 'arc shape' by arranging the first arc part, so that the comfortable visual angle is brought to a user.
Drawings
Fig. 1 is a schematic structural diagram of an opened state of a terminal of an electronic device having multiple display screens according to an embodiment of the present invention;
fig. 2 is a schematic structural view illustrating that the second arc portion is bent toward another direction when the electronic device with a plurality of display screens according to another embodiment of the present invention is in an open state;
fig. 3 is a schematic structural diagram of a closed state of an electronic device terminal having multiple display screens according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device terminal having multiple display screens according to an embodiment of the present invention, in which a longitudinal screen body and a base body are in an open state, and a first horizontal screen portion and a second horizontal screen portion are in a folded state;
fig. 5 is a schematic structural diagram of an electronic device terminal having multiple display screens according to an embodiment of the present invention, in which a longitudinal screen body and a base body are in an open state, and a first horizontal screen portion and a second horizontal screen portion are in a partially open state;
fig. 6 is a schematic structural diagram (under another view angle) illustrating that the longitudinal screen body and the base body are in an open state and the first horizontal screen portion and the second horizontal screen portion are in a partially open state in the electronic device terminal having a plurality of display screens according to the embodiment of the present invention.
The reference numbers are given as:
1. a base body; 11. an input section; 2. a longitudinal screen body; 21. a first horizontal screen portion; 211. a first planar portion; 212. a first arc portion; 22. a second horizontal screen portion; 221. a second planar section; 222. a second arc portion.
Detailed Description
Referring to fig. 1 to 6 in combination, according to an embodiment of the present invention, an electronic device terminal with multiple display screens is provided, the electronic device terminal may be, for example, a notebook computer, a tablet computer, a two-in-one notebook, a mobile phone with a larger screen, and the like, and includes a base 1 with an input portion 11, and a longitudinal screen 2 with a display portion, it can be understood that, in a specific example, the base 1 is, for example, a base of the tablet computer disposed on a placement platform, and often necessary hardware devices such as a main board of the computer are disposed in the base, and the longitudinal screen 2 is configured as a screen for implementing a display function, and the base 1 and the longitudinal screen 2 have necessary electrical connection and physical connection, more specifically, vertical screen body 2 includes horizontal screen portion 21 of first horizontal screen portion, the horizontal screen portion 22 of second at least, the first side long limit of first horizontal screen portion 21 with the connection of can opening and shutting between the horizontal screen portion 22 of second, the minor face of first horizontal screen portion 21 with the minor face of the horizontal screen portion 22 of second all is in vertical screen body 2 vertically is gone up, the second side long limit of first horizontal screen portion 21 with the connection of can opening and shutting between the base body 1, first horizontal screen portion 21 has first plane portion 211, first arc portion 212, first plane portion 211 with first arc portion 212 is in set gradually on the direction of the minor face place of first horizontal screen portion 21, just first arc portion 212 is in second side long limit one side. It is understood that the longitudinal screen 2 is composed of the first transverse screen 21 and the second transverse screen 22, and the first transverse screen 21 and the second transverse screen 22 are designed to be openable and closable, so that the longitudinal screen 2 is a foldable structure, and of course, the folding structure is, for example, the first transverse screen 21 and the second transverse screen 22 are opposite or back-folded, the present invention is not particularly limited, and the longitudinal screen 2 is configured to be foldable so that the base 1 and the longitudinal screen 2 are formed into a more compact terminal device when the longitudinal screen 2 is closed relative to the base 1, and of course, the first transverse screen 21 and the second transverse screen 22 are preferably corresponding to the base 1 and consistent in external dimensions, such as the aforementioned short side and long side dimensions, so as to ensure the appearance consistency of the terminal of the electronic device. In the technical solution, on one hand, the longitudinal screen body formed by the first transverse screen portion 21 and the second transverse screen portion 22 is adopted, so that the flexibility of the electronic device terminal in the display mode is higher, for example, when a user processes a text file and browses a web page, the longitudinal screen body 2 can be selected to be in the longitudinal display mode, and when the user watches a video and audio, one of the first transverse screen portion 21 and the second transverse screen portion 22 in the longitudinal screen body 2 can be selected to be in the transverse display mode, or even the whole electronic device terminal can be turned from the longitudinal screen 90 degrees to the transverse screen for placement; on the other hand, the first arc portion 212 is configured to make the display of the first horizontal screen portion 21 more suitable for the viewing angle of human, particularly because the distance of light traveling along a straight line and the shape of human eyes are configured, the longitudinal line of sight of human toward the center of the screen is similar ")" arc shape, because the eyes are slightly different from the three positions when viewing the three positions above, below and in the middle of the screen, and if the whole longitudinal screen body is a pure plane, it will cause discomfort when viewing the pure plane screen for a long time. Therefore, as in the present embodiment, at least the entire lower portion of the longitudinal screen body 2 is configured to be arc-shaped like one ")" by providing the first arc portion 212, thereby providing a comfortable visual angle to the user.
As described above, the electronic device terminal protected by the present invention includes a mobile phone with a large screen, and therefore, preferably, the length of the short side of the first horizontal screen portion 21 is L1, the length of the short side of the second horizontal screen portion 22 is L2, and L1+ L2 is equal to or greater than 16cm, of course, it is preferable that L1 is equal to L2, and further, the length of the long side of the first horizontal screen portion 21 is W; and/or the length of the long side of the second transverse screen part 22 is W, and L1+ L2 is more than or equal to L1 or L1+ L2 is more than or equal to L2.
Further, the second transverse screen portion 22 can perfectly match with the first transverse screen portion 21, specifically, the second transverse screen portion 22 has a second flat portion 221 and a second arc portion 222, the second flat portion 221 and the second arc portion 222 are sequentially arranged in a direction of a short side of the second transverse screen portion 22, and the first arc portion 212 and the second arc portion 222 are respectively located at two longitudinal ends of the longitudinal screen body 2. In this embodiment, the second arc portion 222 is configured to further configure the entire longitudinal screen body 2 like an "arc"), so that the first arc portion 212 and the second arc portion 222 can provide a comfortable visual angle for the user.
Further, the second arc portion 222 is made of a flexible screen material; and/or, the second transverse screen portion 22 is made of a flexible screen material, in this case, the bending direction of the second arc portion 222 may be flexibly set, for example, when the longitudinal screen body 2 is completely opened (that is, the first transverse screen portion 21 and the second transverse screen portion 22 are unfolded), the bending direction of the second arc portion 222 may be flexibly adjusted according to the needs of the user (for example, fig. 1 shows that the second arc portion 222 is bent away from the base body 1, and fig. 2 shows that the second arc portion 222 is bent toward the base body 1), that is, this design can provide adjustability of the line of sight for the user, and of course, when the first transverse screen portion 21 and the second transverse screen portion 22 are fastened with each other, the surfaces opposite to each other can also be completely contacted with each other.
While the closing and opening manners between the first transverse screen portion 21 and the second transverse screen portion 22 may be various, in order to ensure the complete matching of the sizes of the first transverse screen portion 21 and the second transverse screen portion 22, it is preferable that the opening direction between the first transverse screen portion 21 and the base body 1 is opposite to the opening direction between the first transverse screen portion 21 and the second transverse screen portion 22, and another important function is designed to ensure that the corresponding display portions on the first transverse screen portion 21 and the second transverse screen portion 22 are all facing to one side when the first transverse screen portion 21 and the second transverse screen portion 22 are opened, and the display portion of the second transverse screen portion 22 is facing to the side away from the base body 1 when the first transverse screen portion 21 and the second transverse screen portion 22 are closed, so that the operation condition of the tablet computer formed by the complete closing of the first transverse screen portion 21, the second transverse screen portion 22 and the base body 1 can be realized, as shown in fig. 4 to 6.
The input unit 11 includes one of a Physical keyboard (Physical keys) or a touch screen keyboard (touch screen keys) embedded in the base body 1 in a manner similar to a main body structure in a conventional sense, and further, the Physical keyboard or the touch screen keyboard is configured to have a curved structure matched with the first arc portion 212 and/or the second arc portion 222, so that the input unit 11 is more suitable for the curved characteristics of a human hand during input, thereby providing great convenience to the input work of a user and providing comfort to the input work. Since the input part is also detachable, such as some two-in-one notebooks combining a tablet and a notebook are available on the market, the main structure in the conventional sense can also be disposed in the longitudinal screen body 2. The touch screen keypad on the base body 1 further means that the base body 1 itself can be used as a general display screen for displaying other contents without being limited to a single input work use.
The openable connection among the foundation body 1, the first transverse screen portion 21 and the second transverse screen portion 22 theoretically can be realized in various connection modes of ensuring the opening and closing between the foundation body 1 and the first transverse screen portion 21 and the opening and closing between the first transverse screen portion 21 and the second transverse screen portion 22. Specifically, for example, the base body 1, the first transverse screen portion 21 and the second transverse screen portion 22 are all constructed on the same flexible screen body, and the openable connection is specifically formed by bending the flexible screen, and of course, the curvature of the bending portion of the flexible screen should be ensured to be in a range of not less than 1mm to 3mm at this time so as to prevent the flexible screen from being damaged; of course, other hinge ways may be adopted, in order to prevent the user's hand from damaging the display part (display screen) or leaving a fingerprint when the first transverse screen part 21 or the second transverse screen part 22 is opened or closed, preferably, the first transverse screen part 21 is connected with the base body 1 by an electric hinge in an openable and closable manner; and/or, the first transverse screen part 21 is connected with the second transverse screen part 22 through an electric hinge in an openable and closable manner, that is, the first transverse screen part 21 and the second transverse screen part 22 can be automatically opened and closed by adopting the electric hinge without manual force application. The electric hinge is realized, for example, by a micro motor (electric motor) and a plate spring structure, and the micro motor controls an opening angle or a closing angle of the plate spring structure.
According to an embodiment of the present invention, there is also provided a screen control method of an electronic device terminal, configured to control a display portion of the electronic device terminal, and when the longitudinal screen body 2 and the base body 1 are in a folded state, control the display portion to be in a flat mode; when the longitudinal screen body 2 and the base body 1 are in an open state and the first transverse screen part 21 and the second transverse screen part 22 are in a folded state or a partially unfolded state, controlling the display part to be in a transverse screen mode; when the longitudinal screen body 2 with the basic body 1 is in the open mode just first horizontal screen portion 21 with second horizontal screen portion 22 is in the complete expansion state, control the display is in vertical screen mode, and it can be understood that the complete expansion state represents first horizontal screen portion 21 with the corresponding display screen of second horizontal screen portion 22 is on the coplanar, the partial expansion state represents first horizontal screen portion 21 with form acute angle or obtuse included angle between the corresponding display screen of second horizontal screen portion 22. According to the screen control method of the technical scheme, the electronic equipment terminal has various screen display functions, and the various screen display functions are associated with the opening and closing states of the electronic equipment terminal. Further, when the display unit is in the portrait mode or the landscape mode, the display screen of the display unit of the first landscape screen unit 21 is different from the display screen of the display unit of the second landscape screen unit 22. When the display portion is in the cross-screen mode, the display image of the display portion of the first cross-screen portion 21 is the same as the display image of the display portion of the second cross-screen portion 22, and this design manner is particularly suitable for meeting occasions, and specifically, the first cross-screen portion 21 and the second cross-screen portion 22 display the same image, for example, when the first cross-screen portion 21 faces a speaker, the second cross-screen portion 22 faces the listener, so that the listener can synchronously view corresponding display contents through the second cross-screen portion 22 while the speaker operates the first cross-screen portion 21.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (9)

1. An electronic device terminal with a plurality of display screens is characterized by comprising a base body (1) with an input part (11) and a longitudinal screen body (2) with a display part, wherein the longitudinal screen body (2) at least comprises a first transverse screen part (21) and a second transverse screen part (22), a first side long edge of the first transverse screen part (21) is connected with the second transverse screen part (22) in an openable and closable manner, a short edge of the first transverse screen part (21) and a short edge of the second transverse screen part (22) are both arranged in the longitudinal direction of the longitudinal screen body (2), a second side long edge of the first transverse screen part (21) is connected with the base body (1) in an openable and closable manner, the first transverse screen part (21) is provided with a first plane part (211) and a first arc part (212), the first plane part (211) and the first arc part (212) are sequentially arranged in the direction of the short edge of the first transverse screen part (21), and the first arc part (212) is arranged on one side; the second transverse screen part (22) is provided with a second flat part (221) and a second arc part (222), the second flat part (221) and the second arc part (222) are sequentially arranged in the direction of the short side of the second transverse screen part (22), the first arc part (212) and the second arc part (222) are respectively arranged at the two longitudinal ends of the longitudinal screen body (2), and the first arc part (212) and the second arc part (222) can form the whole longitudinal screen body (2) into an arc shape; and the input portion (11) comprises a physical or touch screen keypad configured to have a curved configuration that matches the first and/or second arcs (212, 222).
2. The electronic device terminal according to claim 1, wherein the first horizontal screen portion (21) has a short side length of L1, the second horizontal screen portion (22) has a short side length of L2, L1+ L2 is equal to or greater than 16cm, and the first horizontal screen portion (21) has a long side length of W; and/or the length of the long side of the second transverse screen part (22) is W, and L1+ L2 is more than or equal to L1 or L1+ L2 is more than or equal to L2.
3. The electronic device terminal of claim 1, wherein the second arc portion (222) is made of a flexible screen material; and/or the second transverse screen part (22) is made of flexible screen material.
4. The electronic device terminal according to claim 1, wherein an opening direction between the first landscape screen portion (21) and the base body (1) is opposite to an opening direction between the first landscape screen portion (21) and the second landscape screen portion (22).
5. The electronic device terminal according to claim 1, wherein the physical keyboard or touch screen keyboard is embedded on the base body (1).
6. The electronic device terminal according to claim 1, wherein the first transverse screen portion (21) is openably and closably connected to the base body (1) by an electric hinge; and/or the first transverse screen part (21) is connected with the second transverse screen part (22) in an openable and closable mode through an electric hinge.
7. A screen control method of an electronic device terminal, for controlling the display part of the electronic device terminal according to any one of claims 1 to 6, when the longitudinal screen body (2) and the base body (1) are in folded state, controlling the display part to be in tablet mode; when the longitudinal screen body (2) and the base body (1) are in an opening state and the first transverse screen part (21) and the second transverse screen part (22) are in a folding state or a partially unfolding state, controlling the display part to be in a transverse screen mode; when the longitudinal screen body (2) and the base body (1) are in an open state and the first transverse screen part (21) and the second transverse screen part (22) are in a fully unfolded state, the display part is controlled to be in a longitudinal screen mode.
8. The screen control method according to claim 7, wherein when the display section is in a portrait mode or in a landscape mode, a display screen of the display section of the first landscape section (21) is different from a display screen of the display section of the second landscape section (22).
9. The screen control method according to claim 7, wherein when the display section is in a landscape mode, a display screen of the display section of the first landscape screen section (21) is the same as a display screen of the display section of the second landscape screen section (22).
CN201910443036.XA 2019-05-26 2019-05-26 Electronic equipment terminal with multiple display screens and screen control method thereof Active CN110162139B (en)

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CN110162139B true CN110162139B (en) 2023-03-28

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CN201548870U (en) * 2009-10-23 2010-08-11 福州瑞芯微电子有限公司 Double-main-screen handheld device
CN103399684A (en) * 2013-07-03 2013-11-20 惠州Tcl移动通信有限公司 Display screen with size changeable, mobile terminal and realizing method of mobile terminal
CN104683715B (en) * 2015-02-15 2018-10-12 联想(北京)有限公司 A kind of information processing method and electronic equipment
CN105700841B (en) * 2016-01-11 2021-12-24 联想(北京)有限公司 Flexible electronic equipment
CN106774671B (en) * 2016-12-22 2023-07-14 广东虹勤通讯技术有限公司 Control method of foldable screen and electronic equipment
CN108227897A (en) * 2017-11-29 2018-06-29 努比亚技术有限公司 Control method for screen display, flexible screen terminal and computer readable storage medium
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