TWI818823B - Contact lens for communication - Google Patents

Abstract

A contact lens for communication includes a display unit, an antenna element, a first ring-shaped metal structure, a second ring-shaped metal structure, and a transparent element. The antenna element is adjacent to the display unit. The display unit and the antenna element are surrounded by the first ring-shaped metal structure. The first ring-shaped metal structure is surrounded by the second ring-shaped metal structure. The display unit, the antenna element, the first ring-shaped metal structure, and the second ring-shaped metal structure are disposed on the transparent element.

Description

Contact lenses with communication function

The present invention relates to a contact lens, in particular to a contact lens with communication function.

Antenna is an indispensable component in the field of wireless communications. If the radiation gain of the antenna used to receive or transmit signals is insufficient, it will easily cause the overall communication quality to degrade. Therefore, how to design small-sized, high-radiation-gain antenna elements and combine them with related devices is an important issue for antenna designers.

In a preferred embodiment, the present invention proposes a contact lens with communication function, including: a display unit; an antenna element, wherein the antenna element is adjacent to the display unit; a first ring-shaped metal structure, wherein the display unit The unit and the antenna element are both surrounded by the first annular metal structure; a second annular metal structure, wherein the first annular metal structure is surrounded by the second annular metal structure; and a transparent Component, wherein the display unit, the antenna component, the first annular metal structure, and the second annular metal structure are all disposed on the transparent component.

In some embodiments, the antenna element covers an operating frequency band, and the operating frequency band is greater than or equal to 60 GHz to support broadband operation of millimeter wave (mmWave) or terahertz (THz) communications.

In some embodiments, the display unit is a hexagon or a circle.

In some embodiments, the display unit includes a metal sidewall, and the metal sidewall serves as a reflector for the antenna element.

In some embodiments, the antenna element includes: a plurality of radiating parts, wherein the radiating parts are separated from each other and adjacent to the display unit.

In some embodiments, a first distance between the antenna element and the display unit is less than or equal to 0.25 times the wavelength of the operating frequency band.

In some embodiments, the first annular metal structure exhibits a circular ring shape.

In some embodiments, the diameter of the first annular metal structure is larger than a pupil diameter of an eyeball.

In some embodiments, the diameter of the first annular metal structure is larger than an iris diameter of an eyeball.

In some embodiments, each of the first annular metal structure and the second annular metal structure serves as a guide for the antenna element.

In some embodiments, each of the first annular metal structure and the second annular metal structure is an energy storage element.

In some embodiments, the energy storage element is a thin film photovoltaic cell.

In some embodiments, a second distance between the first annular metal structure and the second annular metal structure is between 0.1 times and 0.2 times the wavelength of the operating frequency band.

In some embodiments, the first annular metal structure and the second annular metal structure each include a plurality of discontinuous metal segments.

In some embodiments, the contact lens further includes: a third annular metal structure, wherein the second annular metal structure is surrounded by the third annular metal structure.

In some embodiments, the contact lens further includes: a fourth annular metal structure, wherein the third annular metal structure is surrounded by the fourth annular metal structure.

In some embodiments, the transparent element is made of a hydrogel material.

100,200,400,500,600,700:Contact lenses

110,210,410:Display unit

120,220,420:antenna element

130,230,430,730: The first ring-shaped metal structure

140,240,440,740: Second ring metal structure

150,250,450: Transparent components

215: Metal side wall of display unit

260:eyeball

270:pupil

280:iris

421,422,423,424: Radiation Department

460: The third ring metal structure

470: The fourth ring metal structure

731,732,733,741,742,743,744: Discontinuous metal segments

D1, D3: first distance

D2, D4: second distance

E1: pupil diameter

E2: Iris diameter

E3: Diameter of the first ring-shaped metal structure

X:X axis

Y:Y axis

Z:Z axis

Figure 1 is a schematic diagram showing a contact lens according to an embodiment of the present invention.

Figure 2 is a top view of a contact lens according to an embodiment of the present invention.

Figure 3 shows a partial view of a contact lens according to an embodiment of the present invention.

Figure 4 is a top view of a contact lens according to an embodiment of the present invention.

Figure 5 is a top view of a contact lens according to an embodiment of the present invention.

Figure 6 is a top view of a contact lens according to an embodiment of the present invention.

Figure 7 is a top view of a contact lens according to an embodiment of the present invention.

In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are listed below and described in detail with reference to the accompanying drawings.

Certain words are used in the specification and patent claims to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and the patent application do not use differences in names as a way to distinguish components, but differences in functions of components as a criterion for distinction. The words "include" and "include" mentioned throughout the specification and the scope of the patent application are open-ended terms, and therefore should be interpreted as "include but not limited to." The term "approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem and achieve the basic technical effect within a certain error range. In addition, the word "coupling" in this specification includes any direct and indirect electrical connection means. Thus, if a first device is described as coupled to a second device, then It means that the first device can be directly electrically connected to the second device, or indirectly electrically connected to the second device via other devices or connection means.

The following disclosure provides many different embodiments or examples for implementing different features of the present invention. The following disclosure describes specific examples of each component and its arrangement to simplify the explanation. Of course, these specific examples are not limiting. For example, if this disclosure describes that a first feature is 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, or may include an additional Embodiments in which the feature is formed between the first feature and the second feature such that the first feature and the second feature may not be in direct contact. In addition, different examples of the following disclosure may repeatedly use the same reference symbols or/and marks. These repetitions are for the purpose of simplicity and clarity and are not intended to limit the specific relationships between the different embodiments or/and structures discussed.

Furthermore, it is worded in relation to space. For example, "below", "below", "lower", "above", "higher" and similar terms are used to facilitate the description of the relationship between one element or feature in the illustration and another (some ) relationship between components or features. 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 turned in different orientations (rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly.

Figure 1 is a schematic diagram showing a contact lens (Contact Lens) 100 according to an embodiment of the present invention. The contact lens 100 can support communication functions. In the embodiment of Figure 1, the contact lens 100 includes: a display unit (Display Unit) 110, an antenna element (Antenna Element) 120, a first ring-shaped metal structure (Ring-shaped Metal Structure) 130, a second ring-shaped metal structure 140, and a transparent element (Transparent Element) 150. It must be understood that, although not shown in Figure 1, the contact lens 100 may further include other components, such as a processor (Processor) and/or a power supply module (Power Supply Module).

The shape and type of the display unit 110 are not particularly limited in the present invention. The antenna element 120 is adjacent to the display unit 110 . It must be noted that the term "adjacent" or "adjacent" in this specification can mean that the distance between two corresponding components is less than a predetermined distance (for example: 10mm or less), but it usually does not include that the two corresponding components are in direct contact with each other. situation (that is, the aforementioned spacing is shortened to 0).

The antenna element 120 may cover an operating frequency band, where the operating frequency band may be greater than or equal to 60 GHz. Therefore, the antenna element 120 can at least support broadband operation of millimeter wave (mmWave) or terahertz (THz) communication. In some embodiments, the antenna element 120 may be a monopole antenna (Monopole Antenna), a dipole antenna (Dipole Antenna), a loop antenna (Loop Antenna), a helical antenna (Helical Antenna), or a patch antenna. (Patch Antenna), a planar inverted F antenna (Planar Inverted F Antenna), or a chip antenna (Chip Antenna), but it is not limited to this.

Both the display unit 110 and the antenna element 120 may be surrounded by the first ring-shaped metal structure 130 . In addition, the first annular metal structure 130 may be surrounded by the second annular metal structure 140 . In some embodiments, the first annular metal structure 130 and the second Both of the annular metal structures 140 are in a floating state and separated from each other. For example, the transparent element 150 can be made of a hydrogel material, but is not limited thereto. The display unit 110, the antenna element 120, the first annular metal structure 130, and the second annular metal structure 140 can all be disposed on the transparent element 150.

According to actual measurement results, each of the first ring-shaped metal structure 130 and the second ring-shaped metal structure 140 can be used as a director of the antenna element 120 . For example, the first ring-shaped metal structure 130 and the second ring-shaped metal structure 140 can be used to modify both the X-axis direction radiation and the Y-axis direction radiation of the antenna element 120 into approximate Z-axis direction radiation, but it is not limited thereto. Under this design, the radiation pattern (Radiation Pattern) of the antenna element 120 can be adjusted by appropriately configuring the first ring-shaped metal structure 130 and the second ring-shaped metal structure 140, thereby improving the overall radiation gain (Radiation) of the contact lens 100. Gain).

The following embodiments will introduce various configurations and detailed structural features of the contact lens 100 . It must be understood that these drawings and descriptions are only examples and are not intended to limit the present invention.

Figure 2 is a top view of a contact lens 200 according to an embodiment of the present invention. Figure 3 shows a partial view of a contact lens 200 according to an embodiment of the present invention. Please refer to Figures 2 and 3 together. Figures 2 and 3 are similar to Figure 1. In the embodiment of FIGS. 2 and 3 , the contact lens 200 includes: a display unit 210 , an antenna element 220 , a first annular metal structure 230 , a second annular metal structure 240 , and a transparent element 250 . The contact lens 200 can be applied to an eyeball (Eyeball) 260, where the eyeball 260 includes a pupil (Pupil) 270 and an iris. (Iris)280. It should be noted that the eyeball 260 does not belong to any part of the contact lens 200 .

The display unit 210 may roughly present a hexagonal shape. Antenna element 220 is adjacent to display unit 210. In detail, the display unit 210 includes a metal sidewall 215 , where the metal sidewall 215 can serve as a reflector of the antenna element 220 . In other words, the metal sidewall 215 of the display unit 210 can also be used to fine-tune the radiation direction of the antenna element 220.

In some embodiments, a first distance D1 between the antenna element 220 and the display unit 210 (or the metal sidewall 215 ) is less than or equal to 0.25 times the wavelength (λ/4) of the operating frequency band of the antenna element 220 . According to actual measurement results, the aforementioned range of the first distance D1 helps to optimize the reflection effect of the metal sidewall 215 of the display unit 210 .

Both the display unit 210 and the antenna element 220 may be surrounded by the first ring-shaped metal structure 230 . The first annular metal structure 230 may be surrounded by the second annular metal structure 240 . The display unit 210, the antenna element 220, the first annular metal structure 230, and the second annular metal structure 240 can all be disposed on the transparent element 250. For example, the first annular metal structure 230 may have a smaller annular shape, and the second annular metal structure 240 may have a larger annular shape, but it is not limited thereto. The first annular metal structure 230 and the second annular metal structure 240 may share the same center of the circle, where the display unit 210 may be approximately located at the center of the circle.

In some embodiments, a second distance D2 between the first annular metal structure 230 and the second annular metal structure 240 is between 0.1 times and 0.2 times the wavelength of the operating frequency band of the antenna element 220 (λ/10 ~2λ/10). According to the actual measurement results, The aforementioned range of the second distance D2 helps to optimize the guiding effect of the first annular metal structure 230 and the second annular metal structure 240 .

In some embodiments, the diameter E3 of the first annular metal structure 230 is larger than the pupil diameter E1 of the eyeball 260 . In other embodiments, the diameter E3 of the first annular metal structure 230 is larger than the diameter E2 of the iris of the eyeball 260, thereby preventing the first annular metal structure 230 and the second annular metal structure 240 from blocking the sight of the eyeball 260. .

In some embodiments, each of the first annular metal structure 230 and the second annular metal structure 240 is an energy storage element. For example, the aforementioned energy storage element can be a thin film photovoltaic cell (Thin Film Photovoltaic Cell), but it is not limited to this. Under this design, the guide of the antenna element 220 can be integrated with the corresponding energy storage element, thereby reducing the overall size of the contact lens 200. The remaining features of the contact lens 200 in Figures 2 and 3 are similar to the contact lens 100 in Figure 1, so both embodiments can achieve similar operating effects.

Figure 4 is a top view of a contact lens 400 according to an embodiment of the present invention. Picture 4 is similar to Picture 1. In the embodiment of FIG. 4 , the contact lens 400 includes: a display unit 410 , an antenna element 420 , a first annular metal structure 430 , a second annular metal structure 440 , and a transparent element 450 . The display unit 410 may generally present a circular shape. Antenna element 420 is adjacent to display unit 410. In detail, the antenna element 420 includes a plurality of radiating parts 421, 422, 423, and 424, where the aforementioned radiating parts 421, 422, 423, and 424 are separated from each other. away from each other and adjacent to the display unit 410 . For example, each of the aforementioned radiating portions 421, 422, 423, and 424 can generally present an arc shape, but it is not limited to this. It must be noted that the total number of the aforementioned radiating parts 421, 422, 423, and 424 can be adjusted according to different needs. In some embodiments, a first distance D3 between the display unit 410 and each of the aforementioned radiating parts 421, 422, 423, 424 may be less than or equal to 0.25 times the wavelength (λ/ 4). Both the display unit 410 and the antenna element 420 may be surrounded by the first ring-shaped metal structure 430 . The first annular metal structure 430 may be surrounded by the second annular metal structure 440 . The display unit 410, the antenna element 420, the first annular metal structure 430, and the second annular metal structure 440 can all be disposed on the transparent element 450. The remaining features of the contact lens 400 in Figure 4 are similar to the contact lens 100 in Figure 1 , so both embodiments can achieve similar operating effects.

Figure 5 is a top view of a contact lens 500 according to an embodiment of the present invention. Picture 5 is similar to Picture 4. In the embodiment of FIG. 5 , the contact lens 500 further includes a third annular metal structure 460 , wherein the second annular metal structure 440 is surrounded by the third annular metal structure 460 . According to actual measurement results, the addition of the third annular metal structure 460 can enhance the overall guiding effect. The remaining features of the contact lens 500 in Figure 5 are similar to the contact lens 400 in Figure 4 , so both embodiments can achieve similar operating effects.

Figure 6 is a top view of a contact lens 600 according to an embodiment of the present invention. Figure 6 is similar to Figure 5. In the embodiment of Figure 6, the contact lens 600 further includes a fourth annular metal structure 470, wherein the third annular metal structure System 460 is surrounded by a fourth annular metal structure 470 . According to actual measurement results, the addition of the fourth annular metal structure 470 can enhance the overall guiding effect. In addition, one of the second distances D4 between any adjacent ones of the first annular metal structure 430 , the second annular metal structure 440 , the third annular metal structure 460 and the fourth annular metal structure 470 may be between the antenna element 420 The operating frequency band is between 0.1 times and 0.2 times the wavelength (λ/10~2λ/10). The remaining features of the contact lens 600 in Figure 6 are similar to the contact lens 500 in Figure 5 , so both embodiments can achieve similar operating effects.

Figure 7 is a top view of a contact lens 700 according to an embodiment of the present invention. Figure 7 is similar to Figure 4. In the embodiment of FIG. 7, a first annular metal structure 730 of the contact lens 700 includes a plurality of discontinuous metal segments (Discontinuous Metal Segments) 731, 732, 733, and a second annular metal structure of the contact lens 700 740 also includes a plurality of discontinuous metal segments 741, 742, 743, 744. The total number of the aforementioned discontinuous metal segments can also be adjusted according to different needs. According to actual measurement results, even if the first annular metal structure 730 or the second annular metal structure 740 has one or more cut points, it will not have a negative impact on its guiding effect. The remaining features of the contact lens 700 in Figure 7 are similar to the contact lens 400 in Figure 4 , so both embodiments can achieve similar operating effects.

The present invention proposes a novel contact lens. Compared with traditional designs, the present invention at least has the advantages of providing communication functions, shrinking the overall size, and increasing the overall operating bandwidth, so it is very suitable for application in various devices.

It is worth noting that the above-mentioned component parameters are not limitations of the present invention. Designers can adjust these settings according to different needs. The contact lens of the present invention is not limited to the state shown in Figures 1-7. The present invention may only include any one or more features of any one or more of the embodiments of Figures 1-7. In other words, not all features shown in the figures need to be implemented in the contact lens of the present invention at the same time.

The ordinal numbers in this specification and the scope of the patent application, such as "first", "second", "third", etc., have no sequential relationship with each other. They are only used to distinguish two items with the same Different components with names.

Although the present invention is disclosed above in terms of preferred embodiments, they are not intended to limit the scope of the present invention. Anyone skilled in the art can make slight changes and modifications without departing from the spirit and scope of the present invention. Therefore, The protection scope of the present invention shall be determined by the appended patent application scope.

100:Contact Lenses

110:Display unit

120:Antenna element

130: First ring metal structure

140: Second ring metal structure

150:Transparent component

X:X axis

Y:Y axis

Z:Z axis

Claims (17)

A contact lens with communication function, including: a display unit; an antenna element, wherein the antenna element is adjacent to the display unit; a first ring-shaped metal structure, wherein the display unit and the antenna element are both composed of the first surrounded by an annular metal structure; a second annular metal structure, wherein the first annular metal structure is surrounded by the second annular metal structure; and a transparent element, wherein the display unit, the antenna element, the first annular metal structure The annular metal structure and the second annular metal structure are both disposed on the transparent element. The contact lens as described in claim 1, wherein the antenna element covers an operating frequency band, and the operating frequency band is greater than or equal to 60GHz to support broadband operation of millimeter wave (Millimeter Wave, mmWave) or terahertz (THz) communications. . The contact lens as claimed in claim 1, wherein the display unit is in a hexagonal shape or a circular shape. The contact lens of claim 1, wherein the display unit includes a metal side wall, and the metal side wall serves as a reflector of the antenna element. The contact lens of claim 1, wherein the antenna element includes: a plurality of radiating parts, wherein the radiating parts are separated from each other and are adjacent to the display unit. The contact lens of claim 2, wherein a first distance between the antenna element and the display unit is less than or equal to 0.25 times the wavelength of the operating frequency band. The contact lens as claimed in claim 1, wherein the first annular metal structure is in a circular ring shape. The contact lens as claimed in claim 7, wherein the diameter of the first annular metal structure is larger than a pupil diameter of an eyeball. The contact lens of claim 7, wherein the diameter of the first annular metal structure is larger than the diameter of an iris of an eyeball. The contact lens of claim 1, wherein each of the first annular metal structure and the second annular metal structure serves as a guide for the antenna element. The contact lens of claim 1, wherein each of the first annular metal structure and the second annular metal structure is an energy storage element. The contact lens according to claim 11, wherein the energy storage element is a thin film photovoltaic cell. The contact lens of claim 2, wherein a second distance between the first annular metal structure and the second annular metal structure is between 0.1 times and 0.2 times the wavelength of the operating frequency band. The contact lens of claim 1, wherein each of the first annular metal structure and the second annular metal structure includes a plurality of discontinuous metal segments. The contact lens of claim 1 further includes: a third annular metal structure, wherein the second annular metal structure is surrounded by the third annular metal structure. The contact lens of claim 15 further includes: a fourth annular metal structure, wherein the third annular metal structure is surrounded by the fourth annular metal structure. The contact lens as claimed in claim 1, wherein the transparent element is made of a hydrogel material.

Images