CN107949194B - Flexible electronic device - Google Patents
Flexible electronic device Download PDFInfo
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- CN107949194B CN107949194B CN201711160159.XA CN201711160159A CN107949194B CN 107949194 B CN107949194 B CN 107949194B CN 201711160159 A CN201711160159 A CN 201711160159A CN 107949194 B CN107949194 B CN 107949194B
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- electronic device
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0086—Casings, cabinets or drawers for electric apparatus portable, e.g. battery operated apparatus
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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
- 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
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
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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
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
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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
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the invention provides flexible electronic equipment. The flexible electronic device comprises a device base body, wherein the device base body comprises a first part, a second part and a bendable part connected between the first part and the second part; the bendable part comprises at least one rotating shaft, the at least one rotating shaft is connected between the first part and the second part, and the at least one rotating shaft is used for enabling the first part to rotate relative to the second part, so that the flexible electronic equipment is switched between a bending state and a flat spreading state; one end of the at least one rotating shaft, which is adjacent to the first part, is electrically connected with the ground of the first part, and one end of the at least one rotating shaft, which is far away from the first part and adjacent to the second part, is electrically connected with the ground of the second part.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to flexible electronic equipment.
Background
Currently, mobile electronic devices are widely used in daily life. The flexible electronic equipment can change the form of the flexible electronic equipment according to different use scenes, has the advantages of convenience in carrying and use, and is more popular with users. When the flexible electronic device is in a working state, the flexible electronic device can be in a planar state so as to facilitate image display and functional operation; when the flexible electronic equipment is in a sleeping or power-off state, the flexible electronic equipment can be folded or folded, so that the size is reduced, and the flexible electronic equipment is convenient to carry.
However, since the flexible electronic device needs to be folded, the bent portions of the flexible electronic device can only be connected by the flexible printed circuit board or the hinge. The two parts of the flexible electronic device separated by the bending part cannot be connected in a large area, which may cause the reduction of the radiation efficiency of the antenna and the deterioration of the performance of the antenna, and especially when the flexible electronic device has a plurality of antennas, the frequency offset and the deterioration of the performance of the plurality of antennas in the flexible electronic device may occur, which greatly affects the use experience of the user.
Disclosure of Invention
In view of this, it is desirable to provide a flexible electronic device with better antenna performance.
The embodiment of the invention provides a flexible electronic device, which comprises a device base body, wherein the device base body comprises a first part, a second part and a bendable part connected between the first part and the second part, the bendable part comprises at least one rotating shaft, the at least one rotating shaft is connected between the first part and the second part, and the at least one rotating shaft is used for enabling the first part to rotate relative to the second part, so that the flexible electronic device is switched between a bending state and a flat spreading state; one end of the at least one rotating shaft, which is adjacent to the first part, is electrically connected with the ground of the first part, and one end of the at least one rotating shaft, which is far away from the first part and adjacent to the second part, is electrically connected with the ground of the second part; the flexible electronic device further comprises an adjustable circuit device; the parameters of the adjustable circuit device are adjustable so as to adjust the grounding performance of the flexible electronic equipment; the adjustable circuit device is electrically connected with a first ground connection position where at least one rotating shaft is connected with the ground of the first part, the adjustable circuit device is electrically connected with a second ground connection position where at least one rotating shaft is connected with the ground of the second part, or the adjustable circuit device is electrically connected with the first ground connection position and the second ground connection position simultaneously.
In one embodiment, the at least one rotating shaft includes a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both connected between the first portion and the second portion, and the first rotating shaft and the second rotating shaft are jointly used for enabling the first portion to rotate relative to the second portion, so that the flexible electronic device can be switched between a bending state and a flat spreading state; the first rotating shaft is connected with the ground of the first part adjacent to one end of the first part, and the first rotating shaft is far away from the first part and connected with the ground of the second part adjacent to one end of the second part; one end of the second rotating shaft, which is adjacent to the first part, is connected with the ground of the first part, and one end of the second rotating shaft, which is far away from the first part and adjacent to the second part, is connected with the ground of the second part.
In one embodiment, the flexible electronic device further comprises at least one connecting element connecting the first hinge and the ground of the first portion, the first hinge and the ground of the second portion, the second hinge and the ground of the first portion, and/or the second hinge and the ground of the second portion.
In one embodiment, the at least one connection element comprises four connection elements connected between the first shaft and the ground of the first part, between the first shaft and the ground of the second part, between the second shaft and the ground of the first part, and between the second shaft and the ground of the second part, respectively.
In one embodiment, the connecting element is a conductive dome, a conductive foam, a pogo pin, or a connector.
In an embodiment, the flexible electronic device further includes a detection device and a processor, the detection device is configured to detect whether the flexible electronic device is currently in a bending state or a flat spreading state, and the processor of the flexible electronic device is further configured to adjust a parameter of the adjustable circuit device according to a detection result of the detection device, so as to adjust a grounding performance of the flexible electronic device to adapt to the current bending state or the flat spreading state.
In one embodiment, the bendable portion further includes a flexible circuit board connected between the first portion and the second portion and used for transmitting an electrical signal between the first portion and the second portion, the flexible circuit board including a ground line, both ends of the ground line being electrically connected to the ground of the first portion and the ground of the second portion, respectively; the adjustable circuit device electrically connects a third connection point where the ground line is connected to the ground of the first portion, the adjustable circuit device electrically connects a fourth connection point where the ground line is connected to the ground of the second portion, or the adjustable circuit device electrically connects the third ground connection point and the fourth ground connection point at the same time.
In one embodiment, the flexible electronic device further comprises a display screen, wherein the display screen is a flexible display screen and comprises a first display area, a second display area and a bendable display area connected between the first display area and the second display area; the first portion bears the first display area, the second portion bears the second display area, and the bendable portion bears the bendable display area.
In one embodiment, the flexible electronic device further comprises a plurality of antennas distributed in the first portion and/or the second portion, a ground of each of the plurality of antennas being electrically connected with a ground of the first portion or an electrical ground of the second portion.
Compared with the prior art, two ends of at least one rotating shaft of the flexible electronic equipment are electrically connected with the ground of the first part and the ground of the second part, so that the grounding performance of the flexible electronic equipment can be improved, and the radiation efficiency of the antenna can be improved.
In an embodiment, the two rotating shafts are respectively electrically connected with the ground of the first part and the ground of the second part, so that double grounding can be realized at the two rotating shafts, the grounding performance of the flexible electronic device is effectively improved, and the radiation efficiency of the antenna is improved.
In one embodiment, the flexible electronic device further comprises at least one connecting element, which may be a conductive dome, a conductive foam, a pogo pin, or a connector. The at least one connecting element connects the first rotating shaft and the ground of the first part, the first rotating shaft and the ground of the second part, the second rotating shaft and the ground of the first part, and/or the second rotating shaft and the ground of the second part, and the connecting element not only ensures the reliability of grounding between the rotating shaft and the ground of the first part/the ground of the second part, but also has low cost and is easy to realize.
In one embodiment, the flexible electronic device further has an adjustable circuit device, the parameter of which is adjustable for adjusting the grounding performance of the flexible electronic device. Specifically, the connection modes of the adjustable circuit device include the following modes: the adjustable circuit device is electrically connected with the ground of the first part, the adjustable circuit device is electrically connected with the ground of the second part, the adjustable circuit device is electrically connected with a first ground connection position where at least one rotating shaft is connected with the ground of the first part, the adjustable circuit device is electrically connected with a second ground connection position where at least one rotating shaft is connected with the ground of the second part, or any combination of the two. The adjustable circuit devices of the multiple connection modes can improve the grounding performance of the flexible electronic equipment, and particularly, the grounding performance of the ground of the first part and the grounding performance of the ground of the second part can be improved by adjusting the parameters of the adjustable circuit devices, so that the antenna has high radiation efficiency, no frequency deviation and good performance, and the use experience of the flexible electronic equipment is further improved.
In one embodiment, the bendable portion further includes a flexible circuit board, the flexible circuit board being capable of transmitting an electrical signal between the first portion and the second portion, the flexible circuit board including a ground line, both ends of the ground line electrically connecting the ground of the first portion and the ground of the second portion, respectively, so that the first portion and the second portion more easily cooperate with each other and the grounding performance of the flexible electronic device is further enhanced.
In one embodiment, the display screen is a flexible display screen, and the display screen comprises a first display area, a second display area and a bendable display area connected between the first display area and the second display area, so that the display area of the display screen is large and can be bent, and better user experience is brought.
In one embodiment, the flexible electronic device further comprises a plurality of antennas distributed in the first portion and/or the second portion, a ground of each of the plurality of antennas being electrically connected with a ground of the first portion or an electrical ground of the second portion.
According to the flexible electronic device provided by the embodiment of the invention, the grounding performance of each antenna can be effectively improved through the adjustable circuit device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a flexible electronic device in a flat unfolded state according to a preferred embodiment of the present invention.
Fig. 2 is a schematic perspective view of the flexible electronic device shown in fig. 1 in a folded and bent state.
Fig. 3 is a schematic perspective view of the flexible electronic device shown in fig. 2 with the housing removed.
Fig. 4 is a schematic view of the back side of the flexible electronic device shown in fig. 2 with the housing removed and in a flat unfolded state.
Description of the main elements
Flexible electronic device 10
Ground 112a of the second portion
First part of circuit board 111b
Second part of the circuit board 112b
The shafts 116, 116a, 116b
Connecting element 170
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
It is to be understood that the terminology used in the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the description of the invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. Furthermore, the terms "first," "second," and the like in the description and in the claims, as well as in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The flexible electronic device according to the embodiment of the present invention may be any flexible device having communication and storage functions, for example: the system comprises flexible intelligent equipment with a network function, such as a tablet Computer, a mobile phone, an electronic reader, a remote controller, a Personal Computer (PC), a notebook Computer, vehicle-mounted equipment, a network television, wearable equipment and the like.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic perspective view of a flexible electronic device 10 in a flat unfolded state according to a preferred embodiment of the present invention, and fig. 2 is a schematic perspective view of the flexible electronic device 10 in a folded and bent state shown in fig. 1. The embodiment of the present invention mainly takes the flexible electronic device 10 as a mobile phone as an example to explain the present invention. It is understood that the flexible electronic device 10 has a folded state and a flat unfolded state, and includes a device base 11 and a display 12.
The display 12 is disposed on a side surface of the device base 11, and the device base 11 may be used to support and support the display 12. The device base 11 includes a first portion 111, a second portion 112, and a bendable portion 113 connected between the first portion 111 and the second portion 112, where the bendable portion 113 is configured to rotate the first portion 111 relative to the second portion 112, so as to switch the flexible electronic device 10 between a bent state and a flat unfolded state. It is understood that the first portion 111, the second portion 112 and the bendable portion 113 may each include a housing and various functional devices (e.g., circuit board, battery, etc.) housed in the housing.
In this embodiment, the display 12 is a flexible display 12 (for example, an OLED display 12), and includes a first display area 121, a second display area 122, and a bendable display area 123 connected between the first display area 121 and the second display area 122, wherein the first portion 111 bears the first display area 121, the second portion 112 bears the second display area 122, and the bendable portion 113 bears the bendable display area 123. It is understood that in an alternative embodiment, the display 12 may also include a first display area 121, a second display area 122 and a bendable non-display area connected between the first display area 121 and the second display area 122, the first portion 111 carries the first display area 121, the second portion 112 carries the second display area 122, and the bendable portion 113 carries the bendable non-display area. In the modified embodiment, the first and second display regions 122 may be independent of each other and may be non-flexible display regions, such as liquid crystal display regions.
Referring to fig. 3 and 4, fig. 3 is a schematic perspective view of the flexible electronic device 10 shown in fig. 2 with the housing removed, and fig. 4 is a schematic back view of the flexible electronic device 10 shown in fig. 2 with the housing removed when the flexible electronic device 10 is in a flat unfolded state. The first portion 111 includes a first portion ground 111a, and the first portion ground 111a may be disposed on the first portion circuit board 111b or be a ground layer of the first portion circuit board 111 b. The second portion 112 includes a second portion ground 112a, and the second portion ground 112a may be disposed on the second portion circuit board 112b or be a ground layer of the second portion circuit board 112 b. It is understood that the circuit board 111b of the first portion and the circuit board 112b of the second portion may be independent of each other and printed circuit boards, respectively.
The bendable portion 113 includes at least one shaft 116, a flexible circuit board 114 and a connecting element 170.
The at least one rotating shaft 116 is connected between the first portion 111 and the second portion 112, and the at least one rotating shaft 116 is used for rotating the first portion 111 relative to the second portion 112, so as to switch the flexible electronic device 10 between the bending state and the flat spreading state. In this embodiment, one end of the at least one rotating shaft 116 adjacent to the first portion 111 is electrically connected to the ground 111a of the first portion, and one end of the at least one rotating shaft 116 away from the first portion 111 and adjacent to the second portion 112 is electrically connected to the ground 112a of the second portion. Specifically, the at least one rotation shaft 116 may be connected to the ground 111a of the first portion and the ground 112a of the second portion through a connection member 170.
Further, the at least one rotating shaft 116 may be a watch chain type rotating shaft 116, and includes a plurality of connecting bodies that are sequentially and rotatably connected. In this embodiment, the number of the at least one rotating shaft 116 is two: a first rotating shaft 116a and a second rotating shaft 116b, wherein the first rotating shaft 116a and the second rotating shaft 116b are both connected between the first portion 111 and the second portion 112, and the first rotating shaft 116a and the second rotating shaft 116b are jointly used for rotating the first portion 111 relative to the second portion 112, so as to realize switching of the flexible electronic device 10 between the bending state and the flat spreading state. The first rotating shaft 116a and the second rotating shaft 116b may be respectively disposed at two sides of the flexible circuit board 114, such that the flexible circuit board 114 is located between the first rotating shaft 116a and the second rotating shaft 116 b. Wherein, the at least one rotation shaft 116 extends in the same direction as the flexible circuit board 114. In other embodiments, the number of the at least one rotating shaft 116 is greater than two.
One end of the first rotating shaft 116a adjacent to the first portion 111 can be connected with the ground 111a of the first portion through a connecting element 170, and one end of the first rotating shaft 116a away from the first portion 111 and adjacent to the second portion 112 can be connected with the ground 112a of the second portion through a connecting element 170; an end of the second rotating shaft 116b adjacent to the first portion 111 may be connected to the ground 111a of the first portion by a connecting member 170, and an end of the second rotating shaft 116b away from the first portion 111 and adjacent to the second portion 112 may be connected to the ground 112a of the second portion by a connecting member 170. In one embodiment, the connecting element 170 is a conductive clip, a conductive foam, a pogo pin, or a connector.
The flexible circuit board 114 is connected between the first portion 111 and the second portion 112 and is used for transmitting electrical signals between the first portion 111 and the second portion 112. In an alternative embodiment, the flexible circuit board 114 includes a ground line 115, and two ends of the ground line 115 may also be electrically connected to the ground 111a of the first portion and the ground 112a of the second portion, respectively, so that the flexible electronic device 10 may realize three grounds at the bendable portion 113. It is understood that both ends of the ground line 115 are electrically connected (e.g., soldered) to the ground 111a of the first portion and the ground 112a of the second portion, respectively, or the ground 111a of the first portion and the ground 112a of the second portion are electrically connected through a metal dome, PogoPin, a connector, a spring, a conductive foam, a wire, or the like.
The flexible electronic device 10 further includes an adjustable circuit device 130, a detection device 150, a processor 140, and a plurality of antennas 160. The adjustable circuit device 130 may be electrically connected to the ground 111a of the first portion, the ground 112a of the second portion, a first ground connection where the adjustable circuit device 130 is electrically connected to at least one of the shafts 116 and the ground 111a of the first portion, a second ground connection where the adjustable circuit device 130 is electrically connected to at least one of the shafts 116 and the ground 112a of the second portion, or any combination thereof. In the embodiment shown in fig. 4, the first ground connection point where the adjustable circuit device 130 electrically connects the at least one rotating shaft 116 and the ground 111a of the first portion is mainly used for illustration.
The parameters of the adjustable circuit device 130 are adjustable for adjusting the grounding performance of the flexible electronic device 10; the adjustable circuit device 130 is further electrically connected to the processor 140, and the processor 140 is further electrically connected to the detecting device 150. The plurality of antennas 160 may be distributed in the first portion 111 and/or the second portion 112, wherein the ground of each antenna 160 of the plurality of antennas 160 is electrically connected with the ground 111a of the first portion or the ground 112a of the second portion. In this embodiment, two antennas 160, such as the antenna 1601 and the antenna 1604, are distributed on the first portion 111, and two antennas 160, such as the antenna 1602 and the antenna 1603, are distributed on the second portion 112. The adjustable circuit device 130, the processor 140 and the detection device 150 may be disposed in the first portion 111 and/or the second portion 112, and in this embodiment, the adjustable circuit device 130, the processor 140 and the detection device 150 are disposed in the first portion 111 for example, in which the adjustable circuit device 130, the processor 140 and the detection device 150 may be disposed on a circuit board 111b of the first portion, which may be at a different position or a different layer of the circuit board 111b of the first portion from the ground 111a of the first portion.
It is to be understood that, in one embodiment, the adjustable circuit device 130 includes an adjustable capacitor, one end of which is connected to the connection where the ground 111a of the first portion is connected to the ground line 115, and the other end of which is grounded; or one end of the adjustable capacitor is connected to the connection point of the ground 112a of the second portion and the ground line 115, and the other end is grounded. In another embodiment, the adjustable circuit device 130 includes two adjustable capacitors, one of which has one end connected to the connection where the ground 111a of the first portion is connected to the ground line 115 and the other end connected to ground; one end of the other of the two tunable capacitors is connected to the connection point of the ground 112a of the second portion and the ground line 115, and the other end is grounded. In other embodiments, the adjustable circuit device 130 includes a combination of adjustable capacitance and inductance.
The detecting device 150 is configured to detect whether the flexible electronic device 10 is currently in a bending state or a flat spreading state, and the processor 140 of the flexible electronic device 10 is further configured to adjust a parameter of the adjustable circuit device 130 according to a detection result of the detecting device 150, so as to adjust a grounding performance of the flexible electronic device 10 to adapt to the current bending state or the flat spreading state.
In an embodiment, the detecting device 150 is further configured to detect a bending degree of the flexible electronic device 10 in a bending state, and the processor 140 is further configured to adjust the parameter of the adjustable circuit device 130 to different values according to the different bending degrees detected by the detecting device 150, so as to adjust the grounding performance of the flexible electronic device 10 to be suitable for the current bending degree.
In an embodiment, the parameter of the adjustable circuit device 130 has an initial value, the initial value corresponds to a default initial state of the flexible electronic apparatus 10, the default initial state is the bending state or the tiled unfolding state, the detecting device 150 is further configured to detect whether the current bending state of the flexible electronic apparatus 10 is consistent with the default initial state, and if the detecting device 150 detects that the current bending state of the flexible electronic apparatus 10 is inconsistent with the default initial state, the processor 140 adjusts the parameter of the adjustable circuit device 130 to a preset value corresponding to the current state.
Compared with the prior art, the two ends of the at least one rotating shaft 116 of the flexible electronic device 10 of the present invention are electrically connected to the ground 111a of the first portion and the ground 112a of the second portion, so that the grounding performance of the flexible electronic device 10 can be improved, and the radiation efficiency of the antenna 160 can be improved.
In an embodiment, the two rotating shafts 116 are respectively electrically connected to the ground 111a of the first portion and the ground 112a of the second portion, so that dual grounding can be achieved at the two rotating shafts 116, the grounding performance of the flexible electronic device 10 is effectively improved, and the radiation efficiency of the antenna 160 is improved.
In one embodiment, the flexible electronic device 10 further comprises at least one connecting element 170, which may be a conductive clip, a conductive foam, a pogo pin, or a connector, for the connecting element 170. The at least one connecting element 170 connects the first rotating shaft 116a and the first portion ground 111a, the first rotating shaft 116a and the second portion ground 112a, the second rotating shaft 116b and the first portion ground 111a, and/or the second rotating shaft 116b and the second portion ground 112a, and the connecting element 170 not only ensures the reliability of grounding between the rotating shaft 116 and the first portion ground 111 a/the second portion ground 112a, but also is low in cost and easy to implement.
In one embodiment, the flexible electronic device 10 further has an adjustable circuit device 130, and parameters of the adjustable circuit device 130 are adjustable for adjusting the grounding performance of the flexible electronic device 10. Specifically, the connection mode of the adjustable circuit device 130 includes the following modes: the adjustable circuit device 130 is electrically connected to the ground 111a of the first portion, the adjustable circuit device 130 is electrically connected to the ground 112a of the second portion, the adjustable circuit device 130 is electrically connected to a first ground connection where the at least one rotating shaft 116 is connected to the ground 111a of the first portion, the adjustable circuit device 130 is electrically connected to a second ground connection where the at least one rotating shaft 116 is connected to the ground 112a of the second portion, or any combination thereof. The adjustable circuit device 130 with the multiple connection modes can improve the grounding performance of the flexible electronic device 10, and particularly, the parameters of the adjustable circuit device 130 can be adjusted to improve the grounding performance of the ground 111a of the first portion and the ground 112a of the second portion, so that the antenna 160 has high radiation efficiency, no frequency offset and good performance, and the use experience of the flexible electronic device 10 is further improved.
In an embodiment, the flexible electronic device 10 includes a detecting device 150 and a processor 140, where the detecting device 150 is configured to detect whether the flexible electronic device 10 is currently in a bent state or a tiled unfolded state, and the processor 140 of the flexible electronic device 10 is further configured to adjust a parameter of the adjustable circuit device 130 according to a detection result of the detecting device 150, so as to adjust a grounding performance of the flexible electronic device 10 to be adapted to the current bent state or the tiled unfolded state, so that the grounding performance of the flexible electronic device 10 in the bent state or the tiled unfolded state is better, and further the performance of the antenna 160 in the bent state or the tiled unfolded state is better, thereby improving a usage experience of the flexible electronic device 10.
In one embodiment, the tunable circuit device 130 includes a tunable capacitor or two tunable capacitors, wherein the capacitors are easier to adjust parameters and the tuning effect is better than the tuning effect of other tunable devices on the performance of the antenna 160 or the ground. In other embodiments, the adjustable circuit device 130 further includes a combination of an adjustable capacitor and an adjustable inductor, which can also achieve the technical effect of adjusting parameters so as to achieve better grounding performance.
In one embodiment, the bendable portion 113 further includes a flexible circuit board 114, and the flexible circuit board 114 can transmit electrical signals between the first portion 111 and the second portion 112, so that the first portion 111 and the second portion 112 can cooperate with each other more easily. Further, the flexible circuit board 114 may include a ground line 115, and two ends of the ground line 115 are respectively electrically connected to the ground 111a of the first portion and the ground 112a of the second portion, so as to implement triple grounding at the bent portion of the flexible electronic device 10, thereby further improving the grounding performance of the flexible electronic device 10 and improving the radiation efficiency of the antenna 160.
In an embodiment, the display screen 12 is a flexible display screen 12, and includes a first display area 121, a second display area 122, and a bendable display area 123 connected between the first display area 121 and the second display area 122, so that the display area of the display screen 12 is large and can be bent, thereby bringing better user experience.
In one embodiment, the flexible electronic device 10 further includes a plurality of antennas 160, the plurality of antennas 160 are distributed in the first portion 111 and/or the second portion 112, and a ground of each antenna 160 of the plurality of antennas 160 is electrically connected to the ground 111a of the first portion or the ground 112a of the second portion, so that the ground performance of each antenna 160 can be effectively improved by the adjustable circuit device 130. In the present embodiment, the antenna 160 includes, but is not limited to, a loop antenna, an inverted-F (IFA) antenna, or the like.
In one embodiment, the at least one hinge 116 includes a first hinge 116a and a second hinge 116b, and the flexible circuit board 114 is located between the first hinge 116a and the second hinge 116b, so that the flexible electronic device 10 can be better balanced in various states.
In an embodiment, the at least one rotating shaft 116 is a watch chain type rotating shaft 116, and includes a plurality of connectors that are sequentially and rotatably connected, so that the bending state and the flat unfolding state of the flexible electronic device 10 can be more smooth, and the at least one rotating shaft can help to maintain the flexible electronic device 10 in a stable bending state or a stable flat unfolding state.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (9)
1. A flexible electronic device, comprising:
a device base including a first portion, a second portion, and a bendable portion connected between the first portion and the second portion;
the bendable part comprises at least one rotating shaft, the at least one rotating shaft is connected between the first part and the second part, and the at least one rotating shaft is used for enabling the first part to rotate relative to the second part, so that the flexible electronic equipment is switched between a bending state and a flat spreading state; one end of the at least one rotating shaft, which is adjacent to the first part, is electrically connected with the ground of the first part, and one end of the at least one rotating shaft, which is far away from the first part and adjacent to the second part, is electrically connected with the ground of the second part; the flexible electronic device further comprises an adjustable circuit device; the parameters of the adjustable circuit device are adjustable so as to adjust the grounding performance of the flexible electronic equipment; the adjustable circuit device is electrically connected with a first ground connection position where the at least one rotating shaft is connected with the ground of the first part, the adjustable circuit device is electrically connected with a second ground connection position where the at least one rotating shaft is connected with the ground of the second part, or the adjustable circuit device is electrically connected with the first ground connection position and the second ground connection position simultaneously.
2. The flexible electronic device of claim 1, wherein: the at least one rotating shaft comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are connected between the first part and the second part, and the first rotating shaft and the second rotating shaft are jointly used for enabling the first part to rotate relative to the second part, so that the flexible electronic equipment is switched between a bending state and a flat spreading state; the first rotating shaft is connected with the ground of the first part adjacent to one end of the first part, and the first rotating shaft is far away from the first part and connected with the ground of the second part adjacent to one end of the second part; one end of the second rotating shaft, which is adjacent to the first part, is connected with the ground of the first part, and one end of the second rotating shaft, which is far away from the first part and adjacent to the second part, is connected with the ground of the second part.
3. The flexible electronic device of claim 2, wherein: the flexible electronic device further comprises at least one connecting element connecting the first hinge and the ground of the first portion, the first hinge and the ground of the second portion, the second hinge and the ground of the first portion, and/or the second hinge and the ground of the second portion.
4. The flexible electronic device of claim 3, wherein: the at least one connecting element includes four connecting elements connected between the first rotating shaft and the ground of the first portion, between the first rotating shaft and the ground of the second portion, between the second rotating shaft and the ground of the first portion, and between the second rotating shaft and the ground of the second portion, respectively.
5. The flexible electronic device of claim 4, wherein: the connecting element is a conductive elastic sheet, conductive foam, pogo pin or a connector.
6. The flexible electronic device of claim 1, wherein: the flexible electronic equipment further comprises a detection device and a processor, the detection device is used for detecting whether the flexible electronic equipment is in a bending state or a flat spreading state at present, and the processor of the flexible electronic equipment is further used for adjusting parameters of the adjustable circuit device according to a detection result of the detection device, so that the grounding performance of the flexible electronic equipment is adjusted to be adaptive to the current bending state or the flat spreading state.
7. The flexible electronic device of claim 1, wherein: the bendable part further comprises a flexible circuit board which is connected between the first part and the second part and is used for transmitting electric signals between the first part and the second part, the flexible circuit board comprises a grounding circuit, and two ends of the grounding circuit are respectively and electrically connected with the ground of the first part and the ground of the second part; the adjustable circuit device electrically connects a third connection point where the ground line is connected to the ground of the first portion, the adjustable circuit device electrically connects a fourth connection point where the ground line is connected to the ground of the second portion, or the adjustable circuit device electrically connects the third connection point and the fourth connection point at the same time.
8. The flexible electronic device of claim 1, wherein the flexible electronic device further comprises: a display screen;
the display screen is a flexible display screen and comprises a first display area, a second display area and a bendable display area connected between the first display area and the second display area; the first portion bears the first display area, the second portion bears the second display area, and the bendable portion bears the bendable display area.
9. The flexible electronic device of claim 1, wherein: the flexible electronic device further comprises a plurality of antennas distributed in the first portion and/or the second portion, a ground of each of the plurality of antennas being electrically connected with a ground of the first portion or an electrical ground of the second portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160159.XA CN107949194B (en) | 2017-11-20 | 2017-11-20 | Flexible electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160159.XA CN107949194B (en) | 2017-11-20 | 2017-11-20 | Flexible electronic device |
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| Publication Number | Publication Date |
|---|---|
| CN107949194A CN107949194A (en) | 2018-04-20 |
| CN107949194B true CN107949194B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711160159.XA Active CN107949194B (en) | 2017-11-20 | 2017-11-20 | Flexible electronic device |
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| CN (1) | CN107949194B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243052B (en) * | 2019-07-17 | 2021-10-22 | 北京小米移动软件有限公司 | Mobile terminal, antenna control method, and storage medium |
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| CN101507046A (en) * | 2006-09-06 | 2009-08-12 | 诺基亚公司 | A multi-part radio apparatus |
| CN105549682A (en) * | 2014-10-27 | 2016-05-04 | Lg电子株式会社 | Portable electronic device |
| CN106548709A (en) * | 2015-09-23 | 2017-03-29 | 联想(北京)有限公司 | A kind of Flexible Displays electronic equipment |
| CN106603773A (en) * | 2017-01-26 | 2017-04-26 | 广东欧珀移动通信有限公司 | Display device and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101507046A (en) * | 2006-09-06 | 2009-08-12 | 诺基亚公司 | A multi-part radio apparatus |
| CN105549682A (en) * | 2014-10-27 | 2016-05-04 | Lg电子株式会社 | Portable electronic device |
| CN106548709A (en) * | 2015-09-23 | 2017-03-29 | 联想(北京)有限公司 | A kind of Flexible Displays electronic equipment |
| CN106603773A (en) * | 2017-01-26 | 2017-04-26 | 广东欧珀移动通信有限公司 | Display device and mobile terminal |
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| Publication number | Publication date |
|---|---|
| CN107949194A (en) | 2018-04-20 |
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