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公开(公告)号：US20250012960A1
公开(公告)日：2025-01-09
申请号：US18746195
申请日：2024-06-18
Applicant: Applied Materials, Inc.
Inventor： Kunal SHASTRI , Evan WANG , Simon LORENZO , David Alexander SELL , Kevin MESSER , Samarth BHARGAVA
Abstract: Embodiments of the disclosure provided herein include waveguide combiners. More specifically, embodiments described herein provide for waveguide combiners with a waveguide layer and a coating having a tapered portion disposed thereover. The waveguide includes one or more gratings, the one or more gratings including a plurality of grating structures disposed over a waveguide substrate, wherein the grating structures include a waveguide material, and the plurality of grating structures include exterior grating structures at outer edges of the one or more gratings. A waveguide layer is disposed over the waveguide substrate between the exterior grating structures and an edge of the waveguide substrate, the waveguide layer including the waveguide material, and a coating disposed over the waveguide layer, the coating having a tapered portion that is tapered from at least one of the exterior grating structures to a planar portion of the coating.
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公开(公告)号：US20250076559A1
公开(公告)日：2025-03-06
申请号：US18823373
申请日：2024-09-03
Applicant: Applied Materials, Inc.
Inventor： Kevin MESSER , Evan WANG
Abstract: A waveguide combiner including a first substrate, a second substrate, and a wavelength selective film, wherein the wavelength selective film is disposed between the first substrate and the second substrate, the wavelength selective film is operable to reflect a red light, refract and transmit a blue light, and refract and transmit a green light.
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公开(公告)号：US20250102727A1
公开(公告)日：2025-03-27
申请号：US18894905
申请日：2024-09-24
Applicant: Applied Materials, Inc.
Inventor： Evan WANG , David Alexander SELL
Abstract: The present disclosure provides a waveguide combiner. The waveguide combiner includes a substrate having a top surface. The waveguide combiner includes a plurality of structures disposed over the top surface. The waveguide combiner includes a cover glass disposed over the top surface. The cover glass including an absorption region and a transparent region. The absorption region includes an absorption material.
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公开(公告)号：US20250093657A1
公开(公告)日：2025-03-20
申请号：US18883836
申请日：2024-09-12
Applicant: Applied Materials, Inc.
Inventor： Simon LORENZO , Evan WANG , Kevin MESSER , Samarth BHARGAVA
IPC: G02B27/01
Abstract: Embodiments herein are generally directed to a waveguide display assembly and a near-eye display system incorporating the waveguide display assembly. In an embodiment, the waveguide display includes a light engine, a waveguide combiner, an input coupling grating, and one or more coupling gratings exposed to an ambient environment of the waveguide display assembly. The waveguide combiner extends across a user's eye at a wrap angle θwrap(xy) relative to a waveguide plane, and the light engine is configured to project light toward the input coupling grating at a compensation angle θCl so as to increase the grating vector of the exposed gratings and reduce the angles and wavelengths at which light can be diffracted and coupled by the exposed grating into the waveguide combiner to the user's eye.
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公开(公告)号：US20250093672A1
公开(公告)日：2025-03-20
申请号：US18812828
申请日：2024-08-22
Applicant: Applied Materials, Inc.
Inventor： Evan WANG
Abstract: The present disclosure provides a waveguide combiner and methods thereof. The waveguide combiner includes a substrate having a top surface, a bottom surface, and an edge arrangement. The edge arrangement has at least a first angled surface. The first angled surface includes an angle of about 0.1° to about 90° relative to the top surface or the bottom surface of the substrate. A plurality of structures are disposed over the substrate. An anti-reflection composition is deposited on the first angled surface of the edge arrangement.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20250093573A1
公开(公告)日：2025-03-20
申请号：US18885271
申请日：2024-09-13
Applicant: Applied Materials, Inc.
Inventor： Simon LORENZO , Evan WANG , Kunal SHASTRI , Samarth BHARGAVA
Abstract: A method and apparatus for a device including a first waveguide, the first waveguide having a first input coupler operable to receive a first color light and in-couple the first color light into the first waveguide, and a coating area adjacent to a grating of the first input coupler, the coating area operable to receive a second color light, the coating area having an anti-reflective coating with a transmission refractive index such that in operation the second color light is transmitted through the first waveguide to a second waveguide, the second waveguide below the first waveguide, the second waveguide having a second input coupler disposed below and aligned with the coating area, the second input coupler operable to receive the second color light and in-couple the second color light into the second waveguide.
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公开(公告)号：US20250067918A1
公开(公告)日：2025-02-27
申请号：US18812807
申请日：2024-08-22
Applicant: Applied Materials, Inc.
Inventor： Evan WANG , Yingnan LIU , Simon LORENZO , David Alexander SELL
Abstract: A waveguide combiner is provided. The waveguide combiner includes a waveguide combiner substrate. The waveguide combiner provides a plurality of staircase structures disposed on the substrate. Each staircase structure comprises a plurality of staircase steps. Each staircase step has a staircase width that is the same. The plurality of staircase steps have a trim width from an initial staircase step to a final staircase step. The plurality of staircase steps includes a top step having a top width.
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8.发明申请公开(公告)号：US20250012961A1
公开(公告)日：2025-01-09
申请号：US18747844
申请日：2024-06-19
Applicant: Applied Materials, Inc.
Inventor： Evan WANG , Kunal SHASTRI , David Alexander SELL , Kevin MESSER , Samarth BHARGAVA
Abstract: A waveguide is disclosed. The waveguide includes one or more gratings disposed over a substrate. The gratings include grating structures having a grating pitch. The waveguide includes a waveguide region disposed over the substrate between each grating and an edge of the substrate. The waveguide region includes auxiliary structures with an auxiliary pitch less than the grating pitch.
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公开(公告)号：US20250052939A1
公开(公告)日：2025-02-13
申请号：US18798061
申请日：2024-08-08
Applicant: Applied Materials, Inc.
Inventor： Yingnan LIU , Samarth BHARGAVA , Kevin MESSER , Evan WANG , David Alexander SELL , Simon LORENZO
Abstract: Embodiments of the present disclosure include apparatus and methods for optical devices. In one embodiment, a method for forming an optical device generally includes disposing a first material device layer on a substrate, patterning a portion of the first material device layer to form a first plurality of device structures in the first material device layer, disposing a second material device layer on an un-patterned portion of the first device material layer, and patterning the second material device layer to form a second plurality of device structures disposed on the first material device layer.
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公开(公告)号：US20250022234A1
公开(公告)日：2025-01-16
申请号：US18769595
申请日：2024-07-11
Applicant: Applied Materials, Inc.
Inventor： Evan WANG , David Alexander SELL , Kunal SHASTRI , Sihui HE , Kevin MESSER , Samarth BHARGAVA
Abstract: The present disclosure relates to augmented reality devices and related methods. In one or more embodiments, an augmented reality device includes a projection system and a waveguide. The projection system includes a projector and a prism. The projector projects an image along the projectors major axis. The prism refracts the image having a first spectrum, a second spectrum, and a third spectrum. The waveguide is disposed at a wrap angle from a plane formed from the major axis of the projector. The waveguide includes an input coupler and an output coupler. The input coupler includes input structures at an input period and an input orientation and the input coupler is configured to receive the spectrums at different corresponding input angles. The output coupler includes output structures at an output period and an output orientation and the output coupler out couples the respective spectrums at an about equal output angle.
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