CN111276063A - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
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- CN111276063A CN111276063A CN202010120065.5A CN202010120065A CN111276063A CN 111276063 A CN111276063 A CN 111276063A CN 202010120065 A CN202010120065 A CN 202010120065A CN 111276063 A CN111276063 A CN 111276063A
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- circuit board
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
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Abstract
The invention provides a display module and electronic equipment, and relates to the technical field of communication equipment, wherein the display module comprises an antenna array, a flexible circuit board, a radio frequency integrated circuit and a screen display unit; the antenna array is arranged on the flexible circuit board, and the flexible circuit board is electrically connected with the screen display unit; the radio frequency integrated circuit is arranged on the flexible circuit board and is electrically connected with the antenna array. The embodiment of the invention reduces the space occupied by the antenna array on the electronic equipment, and is beneficial to the miniaturization design of the electronic equipment.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a display module and electronic equipment.
Background
With the development of wireless communication technology, especially with the coming commercial use of 5G, the application scenarios of wireless communication systems are becoming more and more abundant, so that the requirement for an antenna, which is one of the key components of the wireless communication system, is becoming higher and higher. On the one hand, in some application scenarios, the antenna needs to have conformality, concealment, and safety so as to be integrated on wireless products such as automobiles, smart wearing, smart home, and the like, and on the other hand, along with the transmission rate of a wireless communication system is higher and higher, the communication capacity is higher and higher, so that the carrier frequency is higher and higher, and the path loss caused by the carrier frequency is higher and higher, so that the array antenna is needed to improve the gain to overcome the influence of the path loss, and for high gain and beam scanning or beam forming (beamforming), a phased array antenna (phased antenna) technology needs to be adopted, so that more and more antennas need to be integrated in a limited space, and thus, on the basis of a traditional antenna design mode, other antenna spaces need to be opened up. Particularly, with the rise of the full screen of 5G and mobile phones (or other wireless communication products), the number of antennas is increasing, and the effect of extremely achieving the full screen is pursued, so that the space of the antenna is continuously compressed.
The Antenna design scheme of the current millimeter wave mainly adopts the technology and process of Antenna In Package (AIP), as shown in fig. 1, that is, an array Antenna of millimeter wave, a Radio Frequency Integrated Circuit (RFIC) and a Power Management integrated module (PMIC) are integrated in an AIP module 11. In practical application, the module is arranged in the electronic equipment, occupies a larger space of the electronic equipment, and is not beneficial to the miniaturization of the electronic equipment.
Disclosure of Invention
The embodiment of the invention provides a display module and electronic equipment, and aims to solve the problems that an antenna array occupies a large space of the electronic equipment and is not beneficial to miniaturization of the electronic equipment.
In a first aspect, an embodiment of the present invention provides a display module applied to an electronic device, including an antenna array, a flexible circuit board, a radio frequency integrated circuit, and a screen display unit;
the antenna array is arranged on the flexible circuit board, and the flexible circuit board is electrically connected with the screen display unit;
the radio frequency integrated circuit is arranged on the flexible circuit board and is electrically connected with the antenna array.
In a second aspect, an embodiment of the present invention provides an electronic device, including the display module according to the first aspect.
In the embodiment of the invention, the display module comprises an antenna array, a flexible circuit board, a radio frequency integrated circuit and a screen display unit; the antenna array is arranged on the flexible circuit board, and the flexible circuit board is electrically connected with the screen display unit; the radio frequency integrated circuit is arranged on the flexible circuit board and is electrically connected with the antenna array. The embodiment of the invention reduces the space occupied by the antenna array on the electronic equipment, and is beneficial to the miniaturization design of the electronic equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an electronic device provided in the prior art;
fig. 2 is a schematic structural diagram of a display module according to an embodiment of the present invention;
fig. 3 is a second schematic structural diagram of a display module according to an embodiment of the present invention;
fig. 4 is a third schematic structural diagram of a display module according to an embodiment of the present invention;
FIG. 5 is a fourth schematic structural diagram of a display module according to an embodiment of the present invention;
fig. 6 is a fifth schematic structural diagram of a display module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 2, an embodiment of the present invention provides a display module applied to an electronic device, where the display module includes an antenna array 21, a flexible circuit board 22, a radio frequency integrated circuit 23, and a screen display unit 24;
wherein the antenna array 21 is disposed on the flexible circuit board 22, and the flexible circuit board 22 is electrically connected to the screen display unit 24;
the rf ic 23 is disposed on the flexible circuit board 22 and electrically connected to the antenna array 21.
The electronic equipment can comprise a display screen, and the display screen can comprise the display module. The display screen may be a full cell structure display screen, or an Amoeld structure display screen, or a Hybrid cell structure display screen, and the like. The screen display unit 24 may be a liquid crystal display unit, or may also be an organic light emitting diode display unit, and the flexible circuit board 22 may be configured to drive the screen display unit 24 to display.
In addition, the frequency of the beam received and transmitted by the antenna array 21 may be set according to actual needs, for example, in the embodiment of the present invention, the frequency received and transmitted by the antenna array 21 may be 60G. It should be noted that, depending on the wavelength, the antenna array 21 may be referred to as a millimeter wave antenna array. The antenna array 21 may include patch (patch) antenna elements, or the antenna array 21 may include yagi antennas, or the antenna array 21 may include dipole antennas, etc., and the embodiment of the present invention does not limit the specific representation form of the antenna array 21.
Further, the antenna array 21 may include a plurality of patch antenna units, and the patch antenna units may be designed by using copper foil, or may be designed by using other conductive materials. For example, the antenna array 21 may be a millimeter wave antenna array, each millimeter wave antenna array may be composed of 4 patch antenna units, each patch antenna unit may be designed by using a copper foil, and the patch antenna unit designed by using the copper foil may enable the antenna array 21 to have good impedance.
In addition, the number of the antenna arrays 21 may be one or more. The antenna array 21 may be located at any position of the flexible circuit board 22(FPC), for example, may be located at the upper left corner, the upper right corner, or the like of the flexible circuit board 22. In the case that the number of the antenna arrays 21 is multiple, the number of the radio frequency integrated circuits 23 may be one, and the multiple antenna arrays 21 are all electrically connected to the radio frequency integrated circuits 23, or the number of the radio frequency integrated circuits 23 may be the same as the number of the antenna arrays 21, and each antenna array 21 is electrically connected to one radio frequency integrated circuit 23 in a one-to-one correspondence manner, so that a shorter routing path between the antenna arrays 21 and the radio frequency integrated circuits 23 may be realized in terms of circuit design, and thus, the routing path loss is smaller, and the performance of the antenna is better. As shown in fig. 3, the number of the antenna arrays 21 is two, each antenna array 21 is electrically connected to one radio frequency integrated circuit RFIC 23 in a one-to-one correspondence manner, the two antenna arrays 21 are respectively located at two sides of a screen driving line 25, a first component area 26 may also be arranged on the flexible circuit board 22, and components such as a capacitor, a resistor, and an inductor are arranged in the first component area 26. A pad 27 for backlight may also be provided on the flexible circuit board 22.
Further, the antenna array 21 may be electrically connected to the rf integrated circuit 23 through traces of the flexible circuit board 22, and taking the traces of the flexible circuit board 22 as copper foil lines as an example, the antenna array 21 may be electrically connected to the rf integrated circuit 23 through copper foil lines. For example, the antenna array 21 may include at least two patch antenna units, and each of the at least two patch antenna units is electrically connected to the radio frequency integrated circuit 23 through a copper foil wire.
It should be noted that the flexible circuit board 22 may be disposed below the display screen, or may be disposed above, to the left, to the right, or the like. The flexible circuit board 22 may be provided with only a screen driving chip; or, the flexible circuit board 22 may be simultaneously provided with a screen driving chip and a touch detection chip, for example, the flexible circuit board 22 corresponding to a display module in a display screen with a full cell structure; alternatively, the flexible circuit board 22 may include a first sub flexible circuit board and a second sub flexible circuit board, the first sub flexible circuit board may be provided with the screen driving chip, and the second sub flexible circuit board may be provided with the touch detection chip, for example, a flexible circuit board corresponding to a display module in a display screen of an Amoeld structure.
The electronic device may include: at least one of a cell phone, a tablet, an e-book reader, an MP3 player, an MP4 player, a digital camera, a laptop, a car computer, a desktop computer, a set-top box, a smart tv, a wearable device.
In the embodiment of the present invention, the display module includes an antenna array 21, a flexible circuit board 22, a radio frequency integrated circuit 23, and a screen display unit 24; wherein the antenna array 21 is disposed on the flexible circuit board 22, and the flexible circuit board 22 is electrically connected to the screen display unit 24; the rf ic 23 is disposed on the flexible circuit board 22 and electrically connected to the antenna array 21. The embodiment of the invention reduces the space of the electronic equipment occupied by the antenna array, is beneficial to the miniaturization design of the electronic equipment, and the antenna array designed by the embodiment of the invention does not need to occupy the space of other antennas arranged on the rear cover of the electronic equipment, thereby improving the performance of the antenna.
Optionally, a connector is disposed on the flexible circuit board 22, and the radio frequency integrated circuit 23 is electrically connected to a main board of the electronic device through the connector.
In this embodiment, the connector may be a Board To Board (BTB) connector. Because the connector is adopted to realize the electric connection between the flexible circuit board 22 and the mainboard, the independence between the flexible circuit board 22 and the mainboard can be ensured, and the disassembly and the assembly can be convenient.
Optionally, as shown in fig. 4, the number of the antenna arrays 21 is multiple, the number of the radio frequency integrated circuit 23 is one, and the multiple antenna arrays 21 are all electrically connected to the radio frequency integrated circuit 23.
The radio frequency integrated circuit 23 may provide a feed signal for the plurality of antenna arrays 21, and the radio frequency integrated circuit 23 may be further electrically connected to a main board of the electronic device through a connector. Taking the display module including two millimeter wave antenna arrays as an example, the rf integrated circuit 23 may provide a feed signal for the two millimeter wave antenna arrays. As shown in fig. 5, the number of the antenna arrays 21 is two, both the two antenna arrays 21 are electrically connected to the rf integrated circuit 23, and the two antenna arrays 21 are respectively located at two sides of the screen driving line 25.
In this embodiment, the number of the antenna arrays 21 is plural, the number of the radio frequency integrated circuits 23 is one, and the plural antenna arrays 21 are all electrically connected to the radio frequency integrated circuits 23, so that the plural radio frequency integrated circuits 23 are not required, and the cost can be reduced.
Optionally, as shown in fig. 2, a screen driving line 25 is disposed on the flexible circuit board 22, the flexible circuit board 22 is electrically connected to the screen display unit 24 through the screen driving line 25, and the antenna array 21 is located on one side of the flexible circuit board 22 on which the screen driving line 25 is disposed;
in the case where the number of the antenna arrays 21 is one, the antenna arrays 21 are located at either end of the screen driving line 25;
in the case where the number of the antenna arrays 21 is at least two, the antenna arrays 21 are located at either ends of the screen driving lines 25 or at both ends of the screen driving lines 25, respectively.
The screen driving line 25 may be connected to a screen driving chip, and the screen driving chip drives the screen display unit 24 to display through the screen driving line 25, so as to enable the display screen to display. Taking the display module comprising two millimeter wave antenna arrays as an example, the two millimeter wave antenna arrays may be respectively located at two ends of the screen driving line 25.
In this embodiment, the antenna array 21 is located at one side of the flexible circuit board 22 on which the screen driving line 25 is disposed, and is located at either end of the screen driving line 25 or at both ends of the screen driving line 25, so that the antenna array 21 is less interfered by other components on the flexible circuit board 22, and the performance of the antenna can be further improved.
Optionally, a screen driving chip and a touch detection chip are further disposed on the flexible circuit board 22, and both the screen driving chip and the touch detection chip are connected to the motherboard through the connector.
The screen driving chip may be a driving chip of the screen display unit 24, and is configured to drive the screen display unit 24 to display, and the touch detection chip may be electrically connected to the touch sensor and configured to detect information that the touch sensor is touched.
In this embodiment, the screen driving chip and the touch detection chip are disposed on the flexible circuit board 22, and can share a connector with the rf integrated circuit 23 to implement connection with the motherboard, so that space can be effectively saved, and the miniaturization design of the electronic device is facilitated.
Optionally, the flexible circuit board 22 includes a first sub flexible circuit board and a second sub flexible circuit board, the first sub flexible circuit board is provided with the screen driving chip, and the second sub flexible circuit board is provided with the touch detection chip.
In this embodiment, the screen driving chip and the touch detection chip are located on different sub-flexible circuit boards, and the screen driving circuit and the touch detection circuit can be respectively designed on different sub-flexible circuit boards, so that the design of a circuit structure is facilitated.
Optionally, in a case that the number of the antenna arrays 21 is one, the antenna arrays 21 are disposed on the first sub flexible circuit board or the second sub flexible circuit board;
in the case that the number of the antenna arrays 21 is at least two, the antenna arrays 21 are disposed on the first sub flexible circuit board and/or the second sub flexible circuit board.
As shown in fig. 6, the flexible circuit board 22 is a flexible circuit board corresponding to a display module in a display screen with an Amoeld structure. The flexible circuit board 22 may include a first sub flexible circuit board 221 and a second sub flexible circuit board 222, the touch detection chip 28 may be disposed on the second sub flexible circuit board 222, and the antenna array 21 may be disposed at a lower left corner or a lower right corner of the second sub flexible circuit board 222. The antenna array 21 may also be disposed at the lower left corner or the lower right corner of the first sub-flexible circuit board 221. The first sub flexible circuit board 221 may further have a FOF region 29 disposed thereon, and the FOF region 29 is used for guiding the traces of the second sub flexible circuit board 222 to the first sub flexible circuit board 221. The first sub flexible circuit board 221 may further be provided with a second component area 30 and a third component area 31, and components such as a capacitor, a resistor, an inductor, and the like may be disposed in the second component area 30 and the third component area 31. The first sub flexible circuit board 221 may further have a connector 32 disposed thereon, and the connector 32 is used for connecting with a main board.
In this embodiment, in the case that the number of the antenna arrays 21 is at least two, the at least two antenna arrays 21 may be respectively located on the first sub flexible circuit board and the second sub flexible circuit board. Taking the display module including two millimeter wave antenna arrays as an example, the first sub-flexible circuit board may be provided with one millimeter wave antenna array, and the second sub-flexible circuit board may be provided with another millimeter wave antenna array.
Optionally, the antenna array 21 includes at least two patch antenna units, and each of the at least two patch antenna units is electrically connected to the radio frequency integrated circuit 23 through a copper foil wire.
In this embodiment, the antenna array 21 includes at least two patch antenna units, and each of the at least two patch antenna units is electrically connected to the radio frequency integrated circuit 23 through a copper foil wire, so that an additional hot-pressing process is not required, the design of the antenna array 21 can be realized during the production of the flexible circuit board 22, and the efficiency of designing the antenna array 21 can be improved.
Optionally, the antenna array 21 is a millimeter wave antenna array.
The embodiment of the invention also provides electronic equipment which comprises the display module.
Since other structures of the electronic device are the prior art, the display module is described in detail in the above embodiments, and thus, the detailed description of the structure of the electronic device in this embodiment is omitted.
In the embodiment of the invention, the display module of the electronic equipment comprises an antenna array, a flexible circuit board, a radio frequency integrated circuit and a screen display unit; the antenna array is arranged on the flexible circuit board, and the flexible circuit board is electrically connected with the screen display unit; the radio frequency integrated circuit is arranged on the flexible circuit board and is electrically connected with the antenna array. The embodiment of the invention reduces the space of the electronic equipment occupied by the antenna array, is beneficial to the miniaturization design of the electronic equipment, and the antenna array designed by the embodiment of the invention does not need to occupy the space of other antennas arranged on the rear cover of the electronic equipment, thereby improving the performance of the antenna.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A display module is applied to electronic equipment and is characterized by comprising an antenna array, a flexible circuit board, a radio frequency integrated circuit and a screen display unit;
the antenna array is arranged on the flexible circuit board, and the flexible circuit board is electrically connected with the screen display unit;
the radio frequency integrated circuit is arranged on the flexible circuit board and is electrically connected with the antenna array.
2. The display module assembly according to claim 1, wherein a connector is disposed on the flexible circuit board, and the rf ic is electrically connected to a main board of the electronic device through the connector.
3. The display module of claim 1, wherein the number of the antenna arrays is one, and the number of the rf ic is two, and the plurality of antenna arrays are electrically connected to the rf ic.
4. The display module assembly according to claim 1, wherein the flexible circuit board is provided with a screen driving line, the flexible circuit board is electrically connected to the screen display unit through the screen driving line, and the antenna array is located at a side of the flexible circuit board on which the screen driving line is provided;
in the case where the number of the antenna arrays is one, the antenna arrays are located at either end of the screen driving lines;
in the case where the number of the antenna arrays is at least two, the antenna arrays are located at either end of the screen driving lines or at both ends of the screen driving lines, respectively.
5. The display module assembly according to claim 2, wherein a screen driving chip and a touch detection chip are further disposed on the flexible circuit board, and both the screen driving chip and the touch detection chip are connected to the main board through the connector.
6. The display module assembly according to claim 5, wherein the flexible circuit board comprises a first sub-flexible circuit board and a second sub-flexible circuit board, the first sub-flexible circuit board is provided with the screen driving chip, and the second sub-flexible circuit board is provided with the touch detection chip.
7. The display module assembly according to claim 6, wherein in a case that the number of the antenna arrays is one, the antenna arrays are disposed on the first sub flexible circuit board or the second sub flexible circuit board;
in case the number of the antenna arrays is at least two, the antenna arrays are arranged on the first sub-flex circuit board and/or the second sub-flex circuit board.
8. The display module of claim 1, wherein the antenna array comprises at least two patch antenna units, and each of the at least two patch antenna units is electrically connected to the radio frequency integrated circuit through a copper foil wire.
9. The display module of claim 1, wherein the antenna array is a millimeter wave antenna array.
10. An electronic device, comprising the display module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010120065.5A CN111276063B (en) | 2020-02-26 | 2020-02-26 | Display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010120065.5A CN111276063B (en) | 2020-02-26 | 2020-02-26 | Display module and electronic equipment |
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| CN111276063A true CN111276063A (en) | 2020-06-12 |
| CN111276063B CN111276063B (en) | 2022-04-26 |
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| CN202010120065.5A Active CN111276063B (en) | 2020-02-26 | 2020-02-26 | Display module and electronic equipment |
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| CN112929475A (en) * | 2021-02-04 | 2021-06-08 | 维沃移动通信有限公司 | Electronic device |
| CN113675603A (en) * | 2021-09-28 | 2021-11-19 | 深圳市睿德通讯科技有限公司 | Flexible antenna structure and electronic equipment |
| CN114157320A (en) * | 2021-12-30 | 2022-03-08 | 深圳市优必选科技股份有限公司 | Wireless communication module and pan-tilt camera |
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| CN111276063B (en) | 2022-04-26 |
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