Communication device and communication method

Abstract

A communication device includes a display, a phase adjustment layer, and a millimeter wave module. The display includes a first display portion and a second display portion, wherein the first display portion has a greater pixel density than the second display portion. The phase adjustment layer is adjacent to the second display portion. The millimeter wave module generates a wireless signal, wherein the wireless signal is propagated through the second display portion and the phase adjustment layer.

Description

Technical Field

[0001] The present invention relates to a communication device, and more particularly to a communication device and a communication method thereof. Background Art

[0002] With the development of mobile communication technology, mobile terminals have become increasingly common in recent years. Common examples include laptop computers, mobile phones, multimedia players, and other hybrid mobile terminals. To meet people's needs, mobile terminals generally have wireless communication capabilities. Some cover long-range wireless communication ranges, such as mobile phones using 2G, 3G, and LTE (Long Term Evolution) systems and the 700MHz, 850MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz, 2300MHz, and 2500MHz frequency bands for communication. Others cover short-range wireless communication ranges, such as Wi-Fi and Bluetooth systems using the 2.4GHz, 5.2GHz, and 5.8GHz frequency bands for communication.

[0003] Millimeter wave (mmWave) communications are a rapidly developing operating frequency band, but they are susceptible to interference from nearby components (such as displays). This has necessitated the development of a novel solution to overcome the challenges faced by existing technologies. Summary of the Invention

[0004] In a preferred embodiment, the present invention provides a communication device comprising: a display comprising a first display portion and a second display portion, wherein the first display portion has a greater pixel density than the second display portion; a phase adjustment layer adjacent to the second display portion; and a millimeter wave module generating a wireless signal, wherein the wireless signal is transmitted through the second display portion and the phase adjustment layer.

[0005] In some embodiments, an operating frequency of the wireless signal is greater than or equal to 28 GHz.

[0006] In some embodiments, the display is an organic light-emitting diode (OLED) display.

[0007] In some embodiments, the second display portion includes: an anode layer; a cathode layer; and a light-emitting layer made of an organic luminescent material, wherein the light-emitting layer is disposed between the anode layer and the cathode layer.

[0008] In some embodiments, the phase adjustment layer is adjacent to the anode layer or the cathode layer.

[0009] In some embodiments, the phase adjustment layer includes a plurality of periodically arranged conductor structure units.

[0010] In some embodiments, the plurality of conductor structure units are made of transparent conductive material.

[0011] In some embodiments, each of the plurality of conductor structure units is in a square ring shape.

[0012] In some embodiments, the distance between any two adjacent ones of the plurality of conductor structure units is less than or equal to 0.25 times the wavelength of the operating frequency.

[0013] In some embodiments, the communication device further includes: a voltage-controlled metal layer adjacent to the phase adjustment layer; and a voltage controller providing an operating potential to the voltage-controlled metal layer.

[0014] In some embodiments, a radiation direction of the wireless signal is adjusted according to different levels of the operating potential.

[0015] In some embodiments, the piezoelectric metal layer is integrated with the anode layer or the cathode layer.

[0016] In another preferred embodiment, the present invention provides a communication device comprising: a display including a first display portion and a second display portion, wherein the first display portion has a greater pixel density than the second display portion; a phase adjustment layer adjacent to the second display portion; a piezoelectric metal layer adjacent to the phase adjustment layer; and a voltage controller providing an operating potential to the piezoelectric metal layer; wherein the second display portion, the phase adjustment layer, and the piezoelectric metal layer are used to reflect a wireless signal.

[0017] In some embodiments, a reflection direction of the wireless signal is adjusted according to different levels of the operating potential.

[0018] In a preferred embodiment, the present invention provides a communication method comprising the following steps: providing a display, wherein the display includes a first display portion and a second display portion, and the first display portion has a greater pixel density than the second display portion; disposing a phase adjustment layer adjacent to the second display portion; generating a wireless signal by a millimeter wave module; and propagating the wireless signal through the second display portion and the phase adjustment layer.

[0019] In another preferred embodiment, the present invention provides a communication method comprising the following steps: providing a display, wherein the display comprises a first display portion and a second display portion, and the first display portion has a greater pixel density than the second display portion; disposing a phase adjustment layer adjacent to the second display portion; disposing a piezoelectric metal layer adjacent to the phase adjustment layer; providing an operating potential to the piezoelectric metal layer by a voltage controller; and reflecting a wireless signal by the second display portion, the phase adjustment layer, and the piezoelectric metal layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 A schematic diagram of a communication device according to an embodiment of the present invention is shown.

[0022] Figure 2A A schematic diagram showing a first display portion of a display according to an embodiment of the present invention is shown.

[0023] Figure 2B A schematic diagram showing a second display portion of a display according to an embodiment of the present invention is shown.

[0024] Figure 3A A schematic diagram of a second display portion and a phase adjustment layer according to an embodiment of the present invention is shown.

[0025] Figure 3B A schematic diagram of a second display portion and a phase adjustment layer according to another embodiment of the present invention is shown.

[0026] Figure 3C A schematic diagram showing a second display portion and a phase adjustment layer according to another embodiment of the present invention is shown.

[0027] Figure 4 A schematic diagram of a phase adjustment layer according to an embodiment of the present invention is shown.

[0028] Figures 5A-5L Schematic diagrams of conductor structure units according to other embodiments of the present invention are shown.

[0029] Figure 6A A schematic diagram of a communication device according to an embodiment of the present invention is shown.

[0030] Figure 6B FIG. 1 is a schematic diagram of a voltage-controlled metal layer according to an embodiment of the present invention.

[0031] Figure 6C FIG. 4 is a schematic diagram showing a voltage-controlled metal layer according to another embodiment of the present invention.

[0032] Figure 6D FIG. 4 is a schematic diagram showing a voltage-controlled metal layer according to another embodiment of the present invention.

[0033] Figure 7A A schematic diagram of a second display portion and a phase adjustment layer according to an embodiment of the present invention is shown.

[0034] Figure 7B A schematic diagram of a second display portion and a phase adjustment layer according to another embodiment of the present invention is shown.

[0035] Figure 8 A schematic diagram of a communication device according to another embodiment of the present invention is shown.

[0036] Figure 9 A flow chart of a communication method according to an embodiment of the present invention is shown.

[0037] Figure 10 FIG. 4 is a flow chart showing a communication method according to another embodiment of the present invention.

[0038] Explanation of symbols:

[0039] 100,600,800: Communication device

[0040] 110,610:Display

[0041] 120,620: first display part

[0042] 121,131: pixel unit

[0043] 122,132: first sub-pixel

[0044] 123,133: second sub-pixel

[0045] 124,134: third sub-pixel

[0046] 130,630: Second display part

[0047] 135: Anode layer

[0048] 136: cathode layer

[0049] 137: Luminescent layer

[0050] 140: Phase adjustment layer

[0051] 141,142,143,144,145,146,147,148,149: Conductor structure unit

[0052] 150:Millimeter wave module

[0053] 635: voltage-controlled anode layer

[0054] 636: voltage-controlled cathode layer

[0055] 660: voltage-controlled metal layer

[0056] 670: Voltage Controller

[0057] D1: Spacing

[0058] S810, S820, S830, S840, S910, S920, S930, S940, S950: Steps

[0059] SF: Wireless signal

[0060] VE: Operation potential DETAILED DESCRIPTION

[0061] In order to make the objects, features and advantages of the present invention more clearly understood, specific embodiments of the present invention are given below and described in detail with reference to the accompanying drawings.

[0062] Certain terms are used throughout this specification and the claims to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different terms to refer to the same component. This specification and the claims do not distinguish components based on differences in name, but rather on differences in their functionality. The terms "including" and "comprising" used throughout this specification and the claims are open-ended and should be interpreted as meaning "including, but not limited to." The term "substantially" means that within an acceptable range of error, a person skilled in the art would be able to solve the technical problem and achieve the basic technical effect. Furthermore, the term "coupled" in this specification includes any direct and indirect electrical connection means. Therefore, when a first device is described as being coupled to a second device, this means that the first device may be directly electrically connected to the second device or indirectly electrically connected to the second device via other devices or connection means.

[0063] The following disclosure provides many different embodiments or examples for implementing the different features of the present invention. The following disclosure describes specific examples of various components and their arrangements to simplify the description. Of course, these specific examples are not intended to be limiting. For example, if this disclosure describes a first feature formed on or above a second feature, it means that it may include an embodiment in which the first feature and the second feature are in direct contact, and may also include an embodiment in which an additional feature is formed between the first feature and the second feature, so that the first feature and the second feature may not be in direct contact. In addition, the same reference symbols or (and) marks may be reused in different examples in the following disclosure. These repetitions are for the purpose of simplicity and clarity, and are not intended to limit the specific relationship between the different embodiments or (and) structures discussed.

[0064] Additionally, spatially relative terms such as "below," "beneath," "lower," "above," "upper," and similar terms are used to facilitate describing the relationship of one element or feature to another element or feature in a diagram. These spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the drawings. The device may be rotated 90 degrees or in other orientations, and the spatially relative terms used herein should be interpreted accordingly.

[0065] Figure 1 FIG2 is a schematic diagram of a communication device 100 according to an embodiment of the present invention. For example, the communication device 100 can be used in a head-mounted display (HMD) or a mobile terminal, such as a smartphone, a tablet computer, or a notebook computer. Figure 1 In the embodiment of the present invention, the communication device 100 includes: a display device 110, a phase tuning layer 140, and a millimeter wave (mmWave) module 150. It should be understood that although not shown in FIG. Figure 1 However, the communication device 100 may further include other components, such as a housing, which can be used to accommodate the aforementioned display 110, the phase adjustment layer 140, and the millimeter wave module 150.

[0066] The type and design of the display 110 are not particularly limited in the present invention. The display 110 includes a first display portion 120 and a second display portion 130, wherein the first display portion 120 has a greater pixel density than the second display portion 130. For example, the first display portion 120 may be located approximately in the center of the display 110, while the second display portion 130 may be located approximately at the edge of the display 110, but this is not limited thereto. The phase adjustment layer 140 is adjacent to the second display portion 130. The millimeter wave module 150 can generate a wireless signal SF, wherein the wireless signal SF can be transmitted through the second display portion 130 and the phase adjustment layer 140. For example, the operating frequency of the wireless signal SF can be greater than or equal to 28 GHz. It should be noted that the term "adjacent" or "adjacent" in this specification can refer to a situation where the distance between the corresponding two elements is less than a predetermined distance (e.g., 10 mm or less), and can also include situations where the corresponding two elements are in direct contact with each other (i.e., the distance is reduced to zero).

[0067] Figure 2A FIG. 1 is a schematic diagram showing a first display portion 120 of a display 110 according to an embodiment of the present invention. Figure 2A In the embodiment, the first display portion 120 includes a plurality of pixel units 121, wherein each pixel unit 121 may include a first sub-pixel 122, a second sub-pixel 123, and a third sub-pixel 124. For example, the first sub-pixel 122, the second sub-pixel 123, and the third sub-pixel 124 may be configured to provide the three primary colors of red, green, and blue, respectively. It should be understood that the size and arrangement of the sub-pixels may be slightly adjusted depending on the manufacturing process of each panel manufacturer.

[0068] Figure 2B FIG. 1 is a schematic diagram showing a second display portion 130 of a display 110 according to an embodiment of the present invention. Figure 2BIn this embodiment, the second display portion 130 includes a plurality of pixel units 131, each of which includes only one of a first sub-pixel 132, a second sub-pixel 133, or a third sub-pixel 134. For example, the first sub-pixel 132, the second sub-pixel 133, and the third sub-pixel 134 can be used to provide the three primary colors of red, green, and blue, respectively. With this design, since the pixel density of the second display portion 130 is only one-third of that of the first display portion 120, the user will not easily notice the presence of the millimeter wave module 150, and the second display portion 130 will not significantly negatively impact the propagation of the wireless signal SF. In other words, the proposed design effectively integrates the display 110 and the millimeter wave module 150, thereby reducing the overall device size. However, the present invention is not limited to this embodiment. In other embodiments, the pixel density and pixel size of the first display portion 120 and the second display portion 130 can be adjusted to meet different needs.

[0069] Figure 3A FIG. 1 shows a schematic diagram of the second display portion 130 and the phase adjustment layer 140 according to an embodiment of the present invention. Figure 3A In the embodiment of the present invention, the display 110 is an organic light-emitting diode (OLED) display, wherein the second display portion 130 includes an anode layer 135, a cathode layer 136, and a light-emitting layer 137. The anode layer 135, the cathode layer 136, and the light-emitting layer 137 may collectively form the aforementioned pixel unit 131. Specifically, the phase adjustment layer 140 is adjacent to the anode layer 135. The light-emitting layer 137 is disposed between the anode layer 135 and the cathode layer 136. For example, the light-emitting layer 137 may be made of an organic luminescent material.

[0070] Figure 3B FIG. 1 is a schematic diagram showing a second display portion 130 and a phase adjustment layer 140 according to another embodiment of the present invention. Figure 3B and Figure 3A Similar. Figure 3B In the embodiment, the phase adjustment layer 140 is adjacent to the cathode layer 136 rather than the anode layer 135 .

[0071] Figure 3C FIG. 1 is a schematic diagram showing a second display portion 130 and a phase adjustment layer 140 according to another embodiment of the present invention. Figure 3C and Figure 3A Similar. Figure 3CIn the embodiment, the communication device 100 includes two phase adjustment layers 140 , which may be adjacent to the anode layer 135 and the cathode layer 136 , respectively. Figure 3B 、 3C The remaining features of the embodiment are the same as Figure 3A Therefore, these embodiments can achieve similar operating effects.

[0072] Figure 4 FIG. 1 shows a schematic diagram of a phase adjustment layer 140 according to an embodiment of the present invention. Figure 4 In an embodiment, the phase adjustment layer 140 may include a plurality of periodically arranged conductive structural units 141, 142, 143, 144, 145, 146, 147, 148, and 149, which may be made of a transparent conductive material such as indium tin oxide (ITO) or graphene. The plurality of conductive structural units 141, 142, 143, 144, 145, 146, 147, 148, and 149 may all be floating and separated from one another. For example, each of the plurality of conductive structural units 141, 142, 143, 144, 145, 146, 147, 148, and 149 may be substantially in the shape of a rectangular ring, but this is not limited thereto. Furthermore, each of the plurality of conductor structures 141, 142, 143, 144, 145, 146, 147, 148, and 149 may extend across the plurality of pixel units 131 of the second display portion 130. In some embodiments, the spacing D1 between any two adjacent conductor structures 141, 142, 143, 144, 145, 146, 147, 148, and 149 may be less than or equal to 0.25 times the wavelength (λ / 4) of the operating frequency of the wireless signal SF. According to actual measurement results, the addition of the phase adjustment layer 140 helps improve the radiation gain of the wireless signal SF. However, the present invention is not limited to this embodiment. In other embodiments, the phase adjustment layer 140 may include fewer or more conductor structures.

[0073] Figures 5A-5L Schematic diagram of a conductor structure unit according to another embodiment of the present invention is shown. Figures 5A-5L In the embodiment, each of the aforementioned conductor structure units may also be substantially in the shape of a circle, a square, a cross, or other hollow ring shapes, but is not limited thereto.

[0074] Figure 6A FIG. 6 is a schematic diagram showing a communication device 600 according to an embodiment of the present invention. Figure 6Aand Figure 1 Similar. Figure 6A In an embodiment, the communication device 600 includes: a display 610, a phase adjustment layer 140, a millimeter wave module 150, a voltage-controlled metal layer 660, and a voltage controller 670, wherein the display 610 includes a first display portion 620 and a second display portion 630, and the first display portion 620 has a greater pixel density than the second display portion 630. The phase adjustment layer 140 is adjacent to the second display portion 630. The voltage-controlled metal layer 660 is adjacent to the phase adjustment layer 140. For example, the voltage-controlled metal layer 660 can be made of Figure 6B 、 6C , 6D are made of graphene material, wherein the pressure-controlled metal layer 660 can be distributed in the form of a coupling strip or a coupling patch, and is adjacent to the phase adjustment layer 140 located on the upper or (and) lower layer. Figure 6B FIG. 4 is a schematic diagram of a voltage-controlled metal layer 660 according to an embodiment of the present invention. Figure 6C FIG. 4 is a schematic diagram of a voltage-controlled metal layer 660 according to another embodiment of the present invention. Figure 6D FIG. 6 is a schematic diagram of a voltage-controlled metal layer 660 according to another embodiment of the present invention. Figure 6B 、 6C, 6D, all hexagonal grid portions represent graphene material. Generally speaking, the piezoelectric metal layer 660 can be used to control the coupling characteristics and phase offset of the phase adjustment layer 140. The voltage controller 670 can provide an operating potential VE to the piezoelectric metal layer 660. At this point, the piezoelectric metal layer 660 (e.g., graphene material, but not limited to such) will experience a change in conductivity due to a specific bias of the operating potential VE. This will also alter the coupling characteristics and frequency response characteristics between the phase adjustment layer 140 and adjacent piezoelectric metal layers 660, thereby providing a corresponding effective phase. The millimeter wave module 150 can generate a wireless signal SF, which can be transmitted through the second display portion 630, the piezoelectric metal layer 660, and the phase adjustment layer 140. It should be noted that the radiation direction of the wireless signal SF can be adjusted according to the different levels of the operating potential VE. For example, if the level of the operating potential VE increases, the radiation direction of the wireless signal SF may shift to the left. Conversely, if the level of the operating potential VE decreases, the radiation direction of the wireless signal SF may shift to the right. However, this is not limited to these. With this design, the propagation direction of the wireless signal SF can be easily controlled by varying the operating potential VE. Figure 6A The remaining features of the communication device 600 of the embodiment are the same as those of Figure 1 The communication device 100 is similar, so both embodiments can achieve similar operating effects.

[0075] Figure 7A FIG. 1 shows a schematic diagram of the second display portion 630 and the phase adjustment layer 140 according to an embodiment of the present invention. Figure 7A In the embodiment, the aforementioned piezoelectric metal layer 660 can be integrated with the anode layer of the second display portion 630 to form a piezoelectric anode layer 635. For example, the piezoelectric metal layer 660 can be printed on the anode layer of the second display portion 630 to reduce the overall thickness of both. The piezoelectric anode layer 635 can also be adjacent to the phase adjustment layer 140.

[0076] Figure 7B FIG. 1 shows a schematic diagram of a second display portion 630 and a phase adjustment layer 140 according to another embodiment of the present invention. Figure 7BIn this embodiment, the aforementioned voltage-controlled metal layer 660 can be integrated with the cathode layer of the second display portion 630 to form a voltage-controlled cathode layer 636. For example, the voltage-controlled metal layer 660 can be printed on the cathode layer of the second display portion 630 to reduce the overall thickness of both layers. The voltage-controlled cathode layer 636 can also be adjacent to the phase adjustment layer 140. In other embodiments, if the communication device 600 includes two phase adjustment layers 140, they can be adjacent to the voltage-controlled anode layer 635 and the voltage-controlled cathode layer 636, respectively.

[0077] Figure 8 FIG. 8 is a schematic diagram showing a communication device 800 according to another embodiment of the present invention. Figure 8 Similar to Figure 6. Figure 8 In an embodiment, a communication device 800 includes a display 610, a phase adjustment layer 140, a piezoelectric metal layer 660, and a voltage controller 670. The display 610 includes a first display portion 620 and a second display portion 630, wherein the first display portion 620 has a greater pixel density than the second display portion 630. The phase adjustment layer 140 is adjacent to the second display portion 630. The piezoelectric metal layer 660 is adjacent to the phase adjustment layer 140. The voltage controller 670 can provide an operating potential VE to the piezoelectric metal layer 660. The second display portion 630, the phase adjustment layer 140, and the piezoelectric metal layer 660 can be used to reflect a wireless signal SF. In some embodiments, the communication device 800 may not include any millimeter wave module, and the wireless signal SF may come from another external device (not shown). It should be noted that the reflection direction of the wireless signal SF can be adjusted according to different levels of the operating potential VE. For example, if the level of the operating potential VE increases, the reflection angle of the wireless signal SF increases. Conversely, if the level of the operating potential VE decreases, the reflection angle of the wireless signal SF decreases. However, this is not the only limitation. With this design, the reflection direction of the wireless signal SF can be easily controlled by varying the operating potential VE. Figure 8 The remaining features of the communication device 800 of the embodiment are similar to those of the communication device 600 in FIG. 6 , so both embodiments can achieve similar operating effects.

[0078] Figure 9FIG8 is a flow chart of a communication method according to an embodiment of the present invention. In step S810, a display is provided, wherein the display includes a first display portion and a second display portion, and the first display portion has a greater pixel density than the second display portion. In step S820, a phase adjustment layer is set adjacent to the second display portion. In step S830, a wireless signal is generated by a millimeter wave module. In step S840, the wireless signal is transmitted through the second display portion and the phase adjustment layer. It should be noted that the above steps do not need to be performed in sequence, and each feature of the embodiment of Figures 1-8 can be applied to Figure 9 communication methods.

[0079] Figure 10 A flow chart of a communication method according to another embodiment of the present invention is shown. In step S910, a display is provided, wherein the display includes a first display portion and a second display portion, and the first display portion has a greater pixel density than the second display portion. In step S920, a phase adjustment layer is set adjacent to the second display portion. In step S930, a piezoelectric metal layer is set adjacent to the phase adjustment layer. In step S940, an operating potential is provided to the piezoelectric metal layer by a voltage controller. In step S950, a wireless signal is reflected by the second display portion, the phase adjustment layer, and the piezoelectric metal layer. It should be noted that the above steps do not need to be performed in sequence, and each feature of the embodiment of Figures 1-8 can be applied to Figure 10 communication methods.

[0080] The present invention provides a novel communication device and communication method. Compared with conventional designs, the present invention has at least the advantages of miniaturization, interference elimination, and reduced manufacturing costs, and is therefore well suited for application in a variety of devices.

[0081] It is worth noting that the above-mentioned component parameters are not limiting conditions of the present invention. Designers can adjust these setting values according to different needs. The communication device and communication method of the present invention are not limited to Figure 1-10 The present invention may only include Figure 1-10 In other words, not all of the features shown in the figures need to be implemented in the communication device and communication method of the present invention at the same time.

[0082] The method of the present invention, or a specific form thereof, or a portion thereof, may be in the form of a program. The program may be embodied on a physical medium, such as a floppy disk, a CD-ROM, a hard disk, or any other machine-readable (e.g., computer-readable) storage medium, or in a computer program product in a non-external form, wherein when the program is loaded and executed by a machine, such as a computer, the machine becomes an apparatus for participating in the present invention. The program may also be transmitted via some transmission medium, such as a wire or cable, an optical fiber, or any other transmission medium, wherein when the program is received, loaded, and executed by a machine, such as a computer, the machine becomes an apparatus for participating in the present invention. When implemented on a general-purpose processing unit, the program, in combination with the processing unit, provides a unique device that operates similarly to application-specific logic circuits.

[0083] In this specification and the scope of the patent application, ordinal numbers, such as "first", "second", "third", etc., have no sequential relationship with each other and are only used to mark and distinguish two different components with the same name.

[0084] Although the present invention is disclosed above with reference to preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art may make slight modifications without departing from the spirit and scope of the invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A communication device comprising: A display comprising a first display portion and a second display portion, wherein the first display portion has a greater pixel density than the second display portion; a phase adjustment layer adjacent to the second display portion; a voltage-controlled metal layer adjacent to the phase adjustment layer for controlling the coupling characteristics and phase offset of the phase adjustment layer; a millimeter wave module that generates a wireless signal, wherein the wireless signal propagates through the second display portion, the voltage-controlled metal layer, and the phase adjustment layer; and A voltage controller provides an operating potential to the piezoelectric metal layer. The piezoelectric metal layer changes its conductivity based on a specific bias voltage of the operating potential. The coupling characteristics and frequency response characteristics of the phase adjustment layer and the piezoelectric metal layer change accordingly. The radiation direction of the wireless signal is adjusted according to the different levels of the operating potential. 2 . The communication device as claimed in claim 1 , wherein an operating frequency of the wireless signal is greater than or equal to 28 GHz. 3 . The communication device as claimed in claim 1 , wherein the display is an organic light emitting diode display.

4. The communication device as claimed in claim 1 , wherein the second display portion comprises: an anode layer; a cathode layer; as well as A light-emitting layer is made of an organic light-emitting material, wherein the light-emitting layer is arranged between the anode layer and the cathode layer. The communication device as claimed in claim 4 , wherein the phase adjustment layer is adjacent to the anode layer or the cathode layer. The communication device as claimed in claim 2 , wherein the phase adjustment layer comprises a plurality of periodically arranged conductor structural units. 7 . The communication device as claimed in claim 6 , wherein the plurality of conductor structure units are made of a transparent conductive material. 8 . The communication device as claimed in claim 6 , wherein each of the plurality of conductor structure units is in a ring shape. 9 . The communication device as claimed in claim 6 , wherein a distance between any two adjacent ones of the plurality of conductor structure units is less than or equal to 0.25 times the wavelength of the operating frequency. 10 . The communication device as claimed in claim 4 , wherein the piezoelectric metal layer and the anode layer or the cathode layer are integrated with each other.

11. A communication device comprising: A display comprising a first display portion and a second display portion, wherein the first display portion has a greater pixel density than the second display portion; a phase adjustment layer adjacent to the second display portion; a voltage-controlled metal layer, adjacent to the phase adjustment layer, for controlling the coupling characteristics and phase shift of the phase adjustment layer; and a voltage controller providing an operating potential to the voltage-controlled metal layer, wherein the voltage-controlled metal layer changes in conductivity based on a specific bias of the operating potential, and the coupling characteristics and frequency response characteristics of the phase adjustment layer and the voltage-controlled metal layer change accordingly; The second display portion, the phase adjustment layer, and the voltage-controlled metal layer are used to reflect a wireless signal, and a reflection direction of the wireless signal is adjusted according to different levels of the operating potential. 12 . The communication device as claimed in claim 11 , wherein the display is an organic light emitting diode display.

13. The communication device of claim 11, wherein the second display portion comprises: an anode layer; a cathode layer; as well as A light-emitting layer is made of an organic light-emitting material, wherein the light-emitting layer is arranged between the anode layer and the cathode layer. 14 . The communication device as claimed in claim 11 , wherein the phase adjustment layer comprises a plurality of periodically arranged conductor structures. 15 . The communication device as claimed in claim 13 , wherein the piezoelectric metal layer is integrated with the anode layer or the cathode layer.

16. A communication method comprising the following steps: A display is provided, wherein the display comprises a first display portion and a second display portion, and the first display portion has a greater pixel density than the second display portion; Disposing a phase adjustment layer adjacent to the second display portion; Disposing a voltage-controlled metal layer adjacent to the phase adjustment layer to control the coupling characteristics and phase offset of the phase adjustment layer; Generating a wireless signal by a millimeter wave module; propagating the wireless signal through the second display portion, the voltage-controlled metal layer, and the phase adjustment layer; and A voltage controller provides an operating potential to the piezoelectric metal layer. The piezoelectric metal layer changes its conductivity based on a specific bias voltage of the operating potential. The coupling characteristics and frequency response characteristics of the phase adjustment layer and the piezoelectric metal layer change accordingly. The radiation direction of the wireless signal is adjusted according to the different levels of the operating potential.

17. A communication method comprising the following steps: A display is provided, wherein the display comprises a first display portion and a second display portion, and the first display portion has a greater pixel density than the second display portion; Disposing a phase adjustment layer adjacent to the second display portion; Disposing a voltage-controlled metal layer adjacent to the phase adjustment layer to control the coupling characteristics and phase offset of the phase adjustment layer; A voltage controller is used to provide an operating potential to the piezoelectric metal layer. The piezoelectric metal layer generates a change in conductivity based on a specific bias of the operating potential, and the coupling characteristics and frequency response characteristics of the phase adjustment layer and the piezoelectric metal layer change accordingly; and A wireless signal is reflected by the second display portion, the phase adjustment layer, and the voltage-controlled metal layer, and a reflection direction of the wireless signal is adjusted according to different levels of the operating potential.

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