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公开(公告)号：US11681164B2
公开(公告)日：2023-06-20
申请号：US16047737
申请日：2018-07-27
申请人： Spy Eye, LLC
发明人： Babak Jamshidi , Ben H. Shelef
CPC分类号： G02C7/083 , G02C7/049 , H05K1/0274 , H05K1/189 , H05K3/301 , H05K2201/10121
摘要： An electronic contact lens contains electrical components connected by an electrical interconnect. The electrical interconnect has a flat body, with electrical conductors running length-wise along the body. The flat body is oriented perpendicular rather than parallel to the inner and outer surfaces of the contact lens to reduce a visible profile of the interconnect, reducing the amount of light blocked from entering the eye. The body has a curvature shaped to conform to the curvature of the contact lens. As examples, the interconnect may be connected with an electrical component using a tab perpendicular to the flat body of the interconnect, or by forming an edge connection with electrical contacts of the component located along an edge of the component, or through one or more exposed vias formed on the component.
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公开(公告)号：US11150493B2
公开(公告)日：2021-10-19
申请号：US16360872
申请日：2019-03-21
申请人： Spy Eye, LLC
发明人： Ben H. Shelef
摘要： A contact lens has a core that is thick enough to accommodate a payload. The core has a base surface for mounting the contact lens to the sclera of the user's eye. It also provides mechanical integrity to carry the payload. The contact lens also includes an outer covering and an inner covering. Each covering is a thin layer of gas-permeable material shaped to form an air gap between the covering and the core. The two air gaps are connected by an air path that traverses the core. Oxygen from an outside environment passes through the gas-permeable outer covering to reach the outer air gap, through the air path to the inner air gap, and through the gas-permeable inner covering to reach the cornea of the wearer's eye.
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公开(公告)号：US10802298B2
公开(公告)日：2020-10-13
申请号：US15639514
申请日：2017-06-30
申请人： Spy Eye, LLC
摘要： An eye mounted display presents defocused images to patients to affect their eyeball development and control focusing disorders such as myopia or hyperopia. For example, images may be projected with peripheral myopic defocus in order to control myopia. Images may be projected with peripheral hyperopic defocus in order to control hyperopia.
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公开(公告)号：US10602513B2
公开(公告)日：2020-03-24
申请号：US16048089
申请日：2018-07-27
申请人： SPY EYE, LLC
发明人： Renaldi Winoto
摘要： A device for communicating data with a contact lens through a communication interface is disclosed. In embodiments of the invention, an accessory device identifies one or more wireless channels to communicate with a contact lens. Scheduling of this wireless communication is performed such that a preferred channel is selected based on noise and/or interference. In certain embodiments, a centralized scheduler, such as a Wi-Fi access point, is used to reserve the preferred channel within the associated wireless network so that clients within the network don't use this channel.
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公开(公告)号：US20190355287A1
公开(公告)日：2019-11-21
申请号：US15982989
申请日：2018-05-17
申请人： Spy Eye, LLC
发明人： Brian Elliot Lemoff
摘要： In some designs, an eye-mounted display includes multiple femtoprojectors contained inside a contact lens. Femtoprojectors that project to peripheral regions of the retina can have lower resolution. In some designs, these peripheral femtoprojector optical system includes an optically transparent core with two ends. The image source is located at one end, and a lens element is located at the other end. The end with the image source is the same size or larger than the end with the lens element. The core may be a cylinder or a frustum, for example. The sidewall structure extending between the two ends is designed to reduce stray rays from the image source. For example, the sidewall structure may absorb stray rays or may redirect rays so that they do not exit the core or so that they do not enter the pupil of the eye.
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公开(公告)号：US20190331937A1
公开(公告)日：2019-10-31
申请号：US15966475
申请日：2018-04-30
申请人： Spy Eye, LLC
摘要： An augmented reality system includes an electronic contact lens and a plurality of conductive coils to be worn, for instance, around a neck, around an arm, or on a chest of a user. The conductive coils can inductively couple to the electronic contact lens by producing magnetic fields that the electronic contact lens can convert into power. A direction of the resulting magnetic at the electronic contact lens can rotate over time, enabling the electronic contact lens to periodically form a strong inductive coupling with the plurality of conductive coils despite the orientation of the electronic contact lens. The electronic contact lens can also output a feedback signal representative of the power produced at the electronic contact lens or an orientation signal representative of the orientation of the eye, and the magnetic fields produced by the conductive coils can be altered based on the feedback signal or orientation signal.
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公开(公告)号：US20190326781A1
公开(公告)日：2019-10-24
申请号：US15959169
申请日：2018-04-21
申请人： Spy Eye, LLC
摘要： An augmented reality system including a necklace and a contact lens display can be used to project information from the contact lens display onto the retina of the wearer's eye. In one example, the necklace generates a time-varying magnetic field (TVMF) that provides energy and information to the contact lens display via inductive coupling. The necklace can be configured to minimize the amount of energy absorbed by the body of the wearer while maintaining power transfer to the contact lens display. In one example, the necklace includes multiple conductive coils generating constructively interfering TVMs to effectively transmit energy while reducing the amount of energy absorbed by the human body. In another example, the necklace includes a parasitic coil generating a destructively interfering TVMF and a magnetic shield to effectively transmit energy while reducing the amount of energy absorbed by the human body.
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公开(公告)号：US10409092B1
公开(公告)日：2019-09-10
申请号：US16355088
申请日：2019-03-15
申请人： SPY EYE, LLC
发明人： Shadi Youssef
摘要： Embodiments of the disclosure relate to a low-power, high-data-rate, radio transceiver inside a contact lens. The radio transceiver includes a phase-locked loop having a frequency acquisition loop that turns on and off based on various performance characteristics of the transceiver. The transceiver also includes wireless power harvesting circuitry that receives a wireless power signal and generates a reference signal that is used by an oscillator within the transceiver.
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公开(公告)号：US20190235283A1
公开(公告)日：2019-08-01
申请号：US15886405
申请日：2018-02-01
申请人： Spy Eye, LLC
摘要： An eye-mounted display is used to enhance vision of a user with visual impairment. Images of a user's unimpaired view of a surrounding environment are captured. These image are modified to compensate for the user's visual impairment. For example, the captured images can be magnified, an angular extent of the captured images can be compressed, or a contrast of the captured images can be enhanced. Also, the captured images can be modified by including identification of an object, a face, or an emotion. For a captured image including text, the text in the captured images can be modified. The eye-mounted display projects the compensated images onto the user's retina. When the user's retina has a damaged section, the eye-mounted display projects the compensated images away from the damaged section.
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公开(公告)号：US20190179222A1
公开(公告)日：2019-06-13
申请号：US16154603
申请日：2018-10-08
申请人： Spy Eye, LLC
摘要： A small projector uses an ultra-dense array of gallium nitride (GaN) LEDs. However, epitaxial growth of GaN typically produces a GaN region that is Sum or thicker. To achieve high pixel density, the LEDs have small area, so the resulting LED structures are tall and skinny. This is undesirable because it makes further processing more difficult and has higher optical losses. As a result, it is beneficial to reduce the thickness of the GaN region. In one approach, a wafer with the GaN region on substrate is bonded to a backplane wafer containing LED driver circuits. The substrate is then separated from the GaN region, exposing a buffer layer of the GaN region. The GaN region is thinned and then patterned into individual LEDs. Typically, the buffer layer is removed entirely.
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