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公开(公告)号：US20210255668A1
公开(公告)日：2021-08-19
申请号：US16791905
申请日：2020-02-14
Applicant: Apple Inc.
Inventor： Xiao Xiang , Tong Chen , Fan Gui , Mark T. Winkler , Ran Tu , Tsu-Hui Lin , Wenrui Cai , Yun Wang
Abstract: In some embodiments, a display stack includes a set of light-emitting elements, and a display backplane that includes a set of conductors and is electrically coupled to the set of light-emitting elements. A conductor in the set of conductors has a length, and a curved edge extending along at least a portion of the length. In some embodiments, a display stack includes a set of light-emitting elements; a set of transistors, electrically coupled to the set of light-emitting elements; and a set of conductors, electrically coupled to the set of transistors. The set of transistors may be electrically coupled to the set of conductors at a set of conductive pads. A plurality of conductive pads in the set of conductive pads is coupled to a single conductor in the set of conductors. The single conductor approaches different conductive pads in the plurality of conductive pads at different angles.
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42.发明申请公开(公告)号：US20210072833A1
公开(公告)日：2021-03-11
申请号：US16934988
申请日：2020-07-21
Applicant: Apple Inc.
Inventor： Mehmet Mutlu , Ahmet Fatih Cihan , Mark T. Winkler , Tong Chen
Abstract: A wearable device includes a device housing configured to be worn on a first surface of a user, a set of one or more SMI sensors, and a processor. The set of one or more SMI sensors is mounted within the device housing and configured to emit a set of one or more beams of electromagnetic radiation, with each beam emitted in a different direction extending away from the first surface. The set of one or more SMI sensors is also configured to generate a set of one or more SMI signals containing information about a relationship between the device housing and a second surface. The processor is configured to extract the relationship between the device housing and the second surface from digitized samples of the set of one or more SMI signals.
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公开(公告)号：US20200328810A1
公开(公告)日：2020-10-15
申请号：US16914872
申请日：2020-06-29
Applicant: Apple Inc.
Inventor： Omid Momtahan , Tong Chen
IPC: H04B10/112 , H04B10/50 , G02B26/08 , H04B10/079 , G02B26/10 , H04B10/69
Abstract: A directional free-space optical communication system includes a source device including a laser diode and an endpoint device including a photodiode. The endpoint device and the source device also include an adjustable optics subsystem that increases both angular and positional offset tolerance between the source device and the endpoint device.
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公开(公告)号：US10705347B2
公开(公告)日：2020-07-07
申请号：US16399937
申请日：2019-04-30
Applicant: Apple Inc.
Inventor： Tong Chen , Wenrui Cai , Albert P. Heberle , Weiping Li
IPC: G02B27/09 , F21V5/00 , F21V5/04 , F21Y115/30 , F21Y115/15
Abstract: A light-emitting device includes a semiconductor substrate, a surface-emitting semiconductor light source on the semiconductor substrate, a monolithic first dielectric, and a second dielectric. The monolithic first dielectric is transparent to light emitted by the light source and includes first and second micro-lenses adjacent an aperture of the light source and having axes parallel to and offset from an axis of a beam of light emitted by the light source, and a saddle-shaped lens over the aperture of the light source. The saddle-shaped lens connects the first and second micro-lenses and reshapes the beam of light emitted by the light source to have a high aspect ratio. The second dielectric is transparent to light emitted by the light source and encapsulates a light emission surface of the saddle-shaped lens. The second dielectric has a higher refractive index than the monolithic first dielectric.
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公开(公告)号：US20200097125A1
公开(公告)日：2020-03-26
申请号：US16141912
申请日：2018-09-25
Applicant: Apple Inc.
Inventor： Mehmet Mutlu , Tong Chen , Mark T. Winkler , Omid Momtahan
Abstract: Disclosed herein are structures, devices, and systems for detecting touch and force inputs at multiple sensing locations on a surface of an electronic device using waveguide-based interferometry. A laser light source, such as a VCSEL, inserts light into a waveguide positioned adjacent to the sensing locations, and an input at a sensing location alters the inserted light in the waveguide allowing for determination of the input's touch or force at the sensing location. Wavelength modulation of the inserted light allows isolation in frequency of the signals from each sensing location. Optical phase locking can be used to lock an absolute distance beat frequency corresponding to a stationary reference point in the waveguide.
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Patent Agency Ranking
公开(公告)号：US20200057147A1
公开(公告)日：2020-02-20
申请号：US16538702
申请日：2019-08-12
Applicant: Apple Inc.
Inventor： Tong Chen , Wenrui Cai , Mark T. Winkler
Abstract: An electronic device includes an electromagnetic radiation source having an axis, a set of optics disposed about the axis, a reflector disposed about the axis non-symmetrically, and a controller configured to operate the electromagnetic radiation source while controlling a beam steering orientation (e.g., rotation) of the reflector. The reflector is disposed to reflect electromagnetic radiation emitted by the electromagnetic radiation source. The set of optics is disposed to shape electromagnetic radiation emitted by the electromagnetic radiation source and direct electromagnetic radiation received from the reflector into a panoramic field of view about the axis.
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公开(公告)号：US10523318B2
公开(公告)日：2019-12-31
申请号：US16399943
申请日：2019-04-30
Applicant: Apple Inc.
Inventor： Tong Chen , Mark T. Winkler , Wenrui Cai , Mehmet Mutlu , Omid Momtahan , Orit A. Shamir
IPC: H04B10/112 , G02B27/09 , H04L5/00 , H04L7/00
Abstract: Techniques are disclosed by which electronic devices that include line-of-sight optical communication systems may become optically aware of other electronic devices and perform optical communication handshakes with other devices. An electronic device may use a motion sensor to record its posing when it determines, during the performance of an optical communication handshake, that it is pointed at the electronic device with which it is performing the optical communication handshake (or that the other electronic device is within a field of view of the electronic device). A recorded device posing, in combination with optical communications and motion sensor data, may also be used to map another device's location and enable a user of an electronic device to pan away from and break optical communication with the other device, then easily return to a recorded posing that enables a continuation of optical communications with the other device.
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公开(公告)号：US20190372668A1
公开(公告)日：2019-12-05
申请号：US16399943
申请日：2019-04-30
Applicant: Apple Inc.
Inventor： Tong Chen , Mark T. Winkler , Wenrui Cai , Mehmet Mutlu , Omid Momtahan , Orit A. Shamir
IPC: H04B10/112 , H04L7/00 , H04L5/00 , G02B27/09
Abstract: Techniques are disclosed by which electronic devices that include line-of-sight optical communication systems may become optically aware of other electronic devices and perform optical communication handshakes with other devices. An electronic device may use a motion sensor to record its posing when it determines, during the performance of an optical communication handshake, that it is pointed at the electronic device with which it is performing the optical communication handshake (or that the other electronic device is within a field of view of the electronic device). A recorded device posing, in combination with optical communications and motion sensor data, may also be used to map another device's location and enable a user of an electronic device to pan away from and break optical communication with the other device, then easily return to a recorded posing that enables a continuation of optical communications with the other device.
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公开(公告)号：US20190331828A1
公开(公告)日：2019-10-31
申请号：US16351843
申请日：2019-03-13
Applicant: Apple Inc.
Inventor： Mehmet Mutlu , Mark T. Winkler , Tong Chen , Wenrui Cai
Abstract: An electronic device may have optical sensors. Control circuitry may use sensor measurements in controlling adjustable components and taking other actions. The optical sensors may be self-mixing sensors such as incoherent self-mixing sensors. One or more sensors may be used in gathering sensor measurements. In configurations in which an electronic device contain multiple self-mixing sensors, multi-wavelength measurements can be gathered using incoherent light sources in the sensors that operate a set of different wavelengths. The light source of each incoherent self-mixing sensor may be a superluminescent light-emitting diode, a resonant cavity light-emitting diode, or other amplified or non-amplified spontaneous emission source. Optical systems such as lenses in a housing for an electronic device may be aligned with the self-mixing sensors. Self-mixing sensors may serve as proximity sensors, sensors for detecting touch input, sensors for measuring spectrums associated with targets of unknown materials, displacement sensors, or other sensors.
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公开(公告)号：US20250093968A1
公开(公告)日：2025-03-20
申请号：US18812916
申请日：2024-08-22
Applicant: Apple Inc.
Inventor： Ian P Colahan , Christopher K Ewy , Yuhao Pan , Tong Chen , David D Dashevsky
IPC: G06F3/03 , G06F3/0354 , G06F3/038
Abstract: A system may include an electronic device such as a head-mounted device and a handheld controller for controlling the electronic device. The handheld controller may have a housing with an elongated shaft extending between first and second tip portions. A removable tip member may be coupled to the first tip portion. A position sensor may be located in the removable tip member and may be used to track surface markings made with the handheld controller on a surface. The position sensor may be an optical flow sensor, a visual inertial odometry camera, an interferometer, or other sensor. A force sensor at the first tip portion may be used to detect when the tip contacts a surface. The position sensor may switch from air input mode to surface marking mode in response to detecting contact with the surface.
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