Patents by Inventor Chun-Chi Wan
Chun-Chi Wan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250199750Abstract: Techniques disclosed herein relate generally to modifying images to reduce display power while maintaining visual fidelity of the displayed images. In one example, a computer-implemented method includes receiving an input image to be displayed by a type of display device, obtaining a machine learning model that is trained to edit display content to reduce power consumption of displaying the edited display content by the type of display device while maintaining a visual fidelity of the edited display content, applying the machine learning model to the input image to generate an output image, and displaying the output image via a display device of the type of display device.Type: ApplicationFiled: December 10, 2024Publication date: June 19, 2025Inventors: Alexandre CHAPIRO, Kenneth CHEN, Ajit NINAN, Romain BACHY, James HILLIS, Chun Chi WAN, Nathan MATSUDA
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Patent number: 12326570Abstract: An eyewear device comprises a left lens assembly and a right lens assembly. The left lens assembly includes a left focus tunable lens and a left focus fixed lens. A right lens assembly includes a right focus tunable lens and a right focus fixed lens. The eyewear device may be used in 3D display applications, virtual reality applications, augmented reality applications, remote presence applications, etc. The eyewear device may also be used as vision correction glasses.Type: GrantFiled: February 22, 2021Date of Patent: June 10, 2025Assignee: Dolby Laboratories Licensing CorporationInventors: Ajit Ninan, Chaitanya Atluru, James Thomas Triplett, Chun Chi Wan
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Publication number: 20240427153Abstract: A polarizing illuminator includes a light source, a collimator for collimating a light beam emitted by the light source, a parallel plate having a first surface and a second surface disposed at an acute angle with respect to the light beam, the first surface including a transmissive portion and a reflective portion, and the second surface including a reflective polarizer configured to reflect one polarization of the light beam, transmit an orthogonal polarization of the light beam, and split the light beam into first and second orthogonally polarized sub-beams, and a retarding wave plate disposed between the reflective portion of the first surface and the reflective polarizer, wherein the retarding wave plate is configured to rotate at least one of the first sub-beam and the second sub-beam to a matched polarization, and the first and second sub-beams having the matched polarization propagate parallel to each other.Type: ApplicationFiled: June 6, 2024Publication date: December 26, 2024Inventors: Joshua Cobb, Derek Wallin, Ajit Ninan, Chun Chi Wan
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Publication number: 20230305310Abstract: A computing device comprises a device image display outputting device display light; an optical configuration for a viewer of the computing device to view external display images rendered with external display light from an external image display and device display images rendered with the device display light; a display light combiner to combine the external display light and the device display light to reach the viewer's vision field. The external display light and the device display light are of different light properties. The display light combiner selectively reflects the device display light toward the viewer's vision field and selectively transmits the external display light toward the viewer's vision field.Type: ApplicationFiled: August 4, 2021Publication date: September 28, 2023Applicant: Dolby Laboratories Licensing CorporationInventors: Ajit NINAN, Titus Marc DEVINE, Chun Chi WAN
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Patent number: 11694353Abstract: While a viewer is viewing a first stereoscopic image comprising a first left image and a first right image, a left vergence angle of a left eye of a viewer and a right vergence angle of a right eye of the viewer are determined. A virtual object depth is determined based at least in part on (i) the left vergence angle of the left eye of the viewer and (ii) the right vergence angle of the right eye of the viewer. A second stereoscopic image comprising a second left image and a second right image for the viewer is rendered on one or more image displays. The second stereoscopic image is subsequent to the first stereoscopic image. The second stereoscopic image is projected from the one or more image displays to a virtual object plane at the virtual object depth.Type: GrantFiled: March 3, 2021Date of Patent: July 4, 2023Assignee: DOLBY LABORATORIES LICENSING CORPORATIONInventors: Ajit Ninan, Chun Chi Wan
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Patent number: 11676297Abstract: While a viewer is viewing a first stereoscopic image comprising a first left image and a first right image, a left vergence angle of a left eye of a viewer and a right vergence angle of a right eye of the viewer are determined. A virtual object depth is determined based at least in part on (i) the left vergence angle of the left eye of the viewer and (ii) the right vergence angle of the right eye of the viewer. A second stereoscopic image comprising a second left image and a second right image for the viewer is rendered on one or more image displays. The second stereoscopic image is subsequent to the first stereoscopic image. The second stereoscopic image is projected from the one or more image displays to a virtual object plane at the virtual object depth.Type: GrantFiled: March 3, 2021Date of Patent: June 13, 2023Assignee: DOLBY LABORATORIES LICENSING CORPORATIONInventors: Ajit Ninan, Chun Chi Wan
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Publication number: 20220414823Abstract: Peripheral-vision expanded images are streamed to a video streaming client. The peripheral-vision expanded images are generated from source images in reference to view directions of the viewer at respective time points. View direction data is collected and received in real time while the viewer is viewing display images derived from the peripheral-vision expanded images. A second peripheral-vision expanded image is generated from a second source image in reference to a second view direction of the viewer at a second time point. The second peripheral-vision expanded image has a focal-vision image portion covering the second view direction of the viewer and a peripheral-vision image portion outside the focal-vision image portion. The second peripheral-vision expanded image is transmitted to the video streaming client.Type: ApplicationFiled: August 31, 2022Publication date: December 29, 2022Inventors: Alexandre CHAPIRO, Chaitanya ATLURU, Chun Chi WAN, Haricharan LAKSHMAN, William ROZZI, Shane RUGGIERI, Ajit NINAN
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Patent number: 11461871Abstract: Peripheral-vision expanded images are streamed to a video streaming client. The peripheral-vision expanded images are generated from source images in reference to view directions of the viewer at respective time points. View direction data is collected and received in real time while the viewer is viewing display images derived from the peripheral-vision expanded images. A second peripheral-vision expanded image is generated from a second source image in reference to a second view direction of the viewer at a second time point. The second peripheral-vision expanded image has a focal-vision image portion covering the second view direction of the viewer and a peripheral-vision image portion outside the focal-vision image portion. The second peripheral-vision expanded image is transmitted to the video streaming client.Type: GrantFiled: August 10, 2020Date of Patent: October 4, 2022Assignee: DOLBY LABORATORIES LICENSING CORPORATIONInventors: Alexandre Chapiro, Chaitanya Atluru, Chun Chi Wan, Haricharan Lakshman, William Rozzi, Shane Ruggieri, Ajit Ninan
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Patent number: 11454847Abstract: A display system comprises light sources configured to emit first light with a first spectral power distribution; light regeneration layers configured to be stimulated by the first light and to convert at least a portion of the first light and recycled light into second light, the second light comprising (a) primary spectral components that correspond to primary colors and (b) secondary spectral components that do not correspond to the primary colors; and notch filter layers configured to receive a portion of the second light and to filter out the secondary spectral components from the portion of the second light. The portion of the second light can be directed to a viewer of the display system and configured to render images viewable to the viewer.Type: GrantFiled: September 11, 2019Date of Patent: September 27, 2022Assignee: DOLBY LABORATORIES LICENSING CORPORATIONInventors: Ajit Ninan, Chun Chi Wan, Timo Kunkel, Michael Eugene Miller
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Patent number: 11195483Abstract: A non-uniform illumination pattern is determined with a display panel of a display device. The non-uniform illumination pattern comprises different values of the one or more illumination properties in first and second spatial regions of the display panel. An illumination compensation pattern is generated based at least in part on the non-uniform illumination pattern. The illumination compensation pattern is configured to homogenize values of the illumination properties in a plurality of spatial regions of the display panel that include the first and second spatial regions, and implemented in the display device.Type: GrantFiled: March 13, 2019Date of Patent: December 7, 2021Assignee: Dolby Laboratories Licensing CorporationInventors: Ajit Ninan, Chun Chi Wan
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Publication number: 20210373340Abstract: A wearable device includes circuitry on substrate. The substrate is coupled to an optical element in an optical stack. A refractive index of the substrate perceptually matches a refractive index of the optical component. The circuitry is imperceptible to the viewer wearing the device, despite that the circuitry has a view of (or, as an example, an unobstructed line of sight to) the viewer's eye. The circuitry can include a camera or an emitter, or both. The camera captures one or more reflections of the emitter from the viewer's eye. In a specific embodiment, the substrate includes a waveguide, Fresnel lenses, or lens to bend light rays around from the circuitry to achieve the imperceptibility. In alternative embodiment, the circuitry can be a piezoelectric device, liquid crystal controller, or any electronic circuitry relevant for a wearable device.Type: ApplicationFiled: September 20, 2019Publication date: December 2, 2021Applicant: Dolby Laboratories Licensing CorporationInventors: Titus Marc DeVine, Chun Chi Wan, Chaitanya Atluru, Ajit NINAN
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Publication number: 20210325684Abstract: An eyewear device comprises a left lens assembly and a right lens assembly. The left lens assembly includes a left focus tunable lens and a left focus fixed lens. A right lens assembly includes a right focus tunable lens and a right focus fixed lens. The eyewear device may be used in 3D display applications, virtual reality applications, augmented reality applications, remote presence applications, etc. The eyewear device may also be used as vision correction glasses.Type: ApplicationFiled: February 22, 2021Publication date: October 21, 2021Applicant: Dolby Laboratories Licensing CorporationInventors: Ajit NINAN, Chaitanya ATLURU, James Thomas TRIPLETT, Chun Chi WAN
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Publication number: 20210264631Abstract: While a viewer is viewing a first stereoscopic image comprising a first left image and a first right image, a left vergence angle of a left eye of a viewer and a right vergence angle of a right eye of the viewer are determined. A virtual object depth is determined based at least in part on (i) the left vergence angle of the left eye of the viewer and (ii) the right vergence angle of the right eye of the viewer. A second stereoscopic image comprising a second left image and a second right image for the viewer is rendered on one or more image displays. The second stereoscopic image is subsequent to the first stereoscopic image. The second stereoscopic image is projected from the one or more image displays to a virtual object plane at the virtual object depth.Type: ApplicationFiled: March 3, 2021Publication date: August 26, 2021Applicant: Dolby Laboratories Licensing CorporationInventors: Ajit NINAN, Chun Chi WAN
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Patent number: 11074875Abstract: Techniques for driving a dual modulation display include generating backlight drive signals to drive individually-controllable illumination sources. The illumination sources emit first light onto a light conversion layer. The light conversion layer converts the first light into second light. The light conversion layer can include quantum dots or phosphor materials. Modulation drive signals are generated to determine transmission of the second light through individual subpixels of the display. These modulation drive signals can be adjusted based on one or more light field simulations. The light field simulations can include: (i) a color shift for a pixel based on a point spread function of the illumination sources; (ii) binning difference of individual illumination sources; (iii) temperature dependence of display components on performance; or (iv) combinations thereof.Type: GrantFiled: April 30, 2020Date of Patent: July 27, 2021Assignee: Dolby Laboratories Licensing CorporationInventors: Ajit Ninan, Chun Chi Wan
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Patent number: 10943359Abstract: While a viewer is viewing a first stereoscopic image comprising a first left image and a first right image, a left vergence angle of a left eye of a viewer and a right vergence angle of a right eye of the viewer are determined. A virtual object depth is determined based at least in part on (i) the left vergence angle of the left eye of the viewer and (ii) the right vergence angle of the right eye of the viewer. A second stereoscopic image comprising a second left image and a second right image for the viewer is rendered on one or more image displays. The second stereoscopic image is subsequent to the first stereoscopic image. The second stereoscopic image is projected from the one or more image displays to a virtual object plane at the virtual object depth.Type: GrantFiled: August 3, 2017Date of Patent: March 9, 2021Assignee: Dolby Laboratories Licensing CorporationInventors: Ajit Ninan, Chun Chi Wan
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Patent number: 10928638Abstract: An eyewear device comprises a left lens assembly and a right lens assembly. The left lens assembly includes a left focus tunable lens and a left focus fixed lens. A right lens assembly includes a right focus tunable lens and a right focus fixed lens. The eyewear device may be used in 3D display applications, virtual reality applications, augmented reality applications, remote presence applications, etc. The eyewear device may also be used as vision correction glasses.Type: GrantFiled: October 30, 2017Date of Patent: February 23, 2021Assignee: Dolby Laboratories Licensing CorporationInventors: Ajit Ninan, Chaitanya Atluru, James Thomas Triplett, Chun Chi Wan
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Publication number: 20200372605Abstract: Peripheral-vision expanded images are streamed to a video streaming client. The peripheral-vision expanded images are generated from source images in reference to view directions of the viewer at respective time points. View direction data is collected and received in real time while the viewer is viewing display images derived from the peripheral-vision expanded images. A second peripheral-vision expanded image is generated from a second source image in reference to a second view direction of the viewer at a second time point. The second peripheral-vision expanded image has a focal-vision image portion covering the second view direction of the viewer and a peripheral-vision image portion outside the focal-vision image portion. The second peripheral-vision expanded image is transmitted to the video streaming client.Type: ApplicationFiled: August 10, 2020Publication date: November 26, 2020Inventors: Alexandre Chapiro, Chaitanya Atluru, Chun Chi Wan, Haricharan Lakshman, William Rozzi, Shane Ruggieri, Ajit Ninan
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Patent number: 10769754Abstract: Peripheral-vision expanded images are streamed to a video streaming client. The peripheral-vision expanded images are generated from source images in reference to view directions of the viewer at respective time points. View direction data is collected and received in real time while the viewer is viewing display images derived from the peripheral-vision expanded images. A second peripheral-vision expanded image is generated from a second source image in reference to a second view direction of the viewer at a second time point. The second peripheral-vision expanded image has a focal-vision image portion covering the second view direction of the viewer and a peripheral-vision image portion outside the focal-vision image portion. The second peripheral-vision expanded image is transmitted to the video streaming client.Type: GrantFiled: October 22, 2019Date of Patent: September 8, 2020Assignee: Dolby Laboratories Licensing CorporationInventors: Alexandre Chapiro, Chaitanya Atluru, Chun Chi Wan, Haricharan Lakshman, William Rozzi, Shane Ruggieri, Ajit Ninan
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Publication number: 20200258458Abstract: Techniques for driving a dual modulation display include generating backlight drive signals to drive individually-controllable illumination sources. The illumination sources emit first light onto a light conversion layer. The light conversion layer converts the first light into second light. The light conversion layer can include quantum dots or phosphor materials. Modulation drive signals are generated to determine transmission of the second light through individual subpixels of the display. These modulation drive signals can be adjusted based on one or more light field simulations. The light field simulations can include: (i) a color shift for a pixel based on a point spread function of the illumination sources; (ii) binning difference of individual illumination sources; (iii) temperature dependence of display components on performance; or (iv) combinations thereof.Type: ApplicationFiled: April 30, 2020Publication date: August 13, 2020Applicant: Dolby Laboratories Licensing CorporationInventors: Ajit NINAN, Chun Chi WAN
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Patent number: 10657906Abstract: Techniques for driving a dual modulation display include generating backlight drive signals to drive individually-controllable illumination sources. The illumination sources emit first light onto a light conversion layer. The light conversion layer converts the first light into second light. The light conversion layer can include quantum dots or phosphor materials. Modulation drive signals are generated to determine transmission of the second light through individual subpixels of the display. These modulation drive signals can be adjusted based on one or more light field simulations. The light field simulations can include: (i) a color shift for a pixel based on a point spread function of the illumination sources; (ii) binning difference of individual illumination sources; (iii) temperature dependence of display components on performance; or (iv) combinations thereof.Type: GrantFiled: January 31, 2018Date of Patent: May 19, 2020Assignee: Dolby Laboratories Licensing CorporationInventors: Ajit Ninan, Chun Chi Wan