H04N13/337

FLEXIBLE OR CURVED DISPLAY FOR MRI BORE
20220132097 · 2022-04-28 ·

A display system suitable for use inside an MRI system bore to display images to a patient undergoing an MRI procedure. The display system includes a curved display structure fitted inside the MRI bore, and having a width and length sufficient to present images to the patient inside the tunnel. First and second EMI shielding layers sandwich the curved display structure. A display electronics module is electrically connected to the curved display structure to provide video drive signals to the curved display structure. A housing for the display electronics module is configured to provide shielding to prevent EM signals from within the housing to affect MRI image processing.

Optical system
11720012 · 2023-08-08 · ·

An optical system of the present disclosure includes: a first optical system that includes a first optical element having a plurality of divided regions having mutually different polarization actions, the first optical element being disposed at a first pupil position in the optical system, and that generates illumination light including a plurality of color light beams in mutually different wavelength bands; a plurality of light valves that each modulates at least one color light beam of the plurality of color light beams included in the illumination light; and a second optical system that includes a second optical element having a plurality of divided regions having mutually different polarization actions, the second optical element being disposed at a second pupil position conjugate to the first pupil position, and on which the plurality of color light beams modulated by the plurality of light valves is incident.

Polarizing maintaining optical fiber in virtual/augmented reality system

A display subsystem for a virtual image generation system for use by an end user comprises a display, an optical fiber having a polarization-maintaining (PM) transmission fiber section and a non-PM scanning fiber section, a light source configured for injecting a linearly polarized light beam into the transmission fiber section, such that the linearly polarized light beam is emitted from the scanning fiber section, a mechanical scanning drive assembly in which the scanning fiber section is affixed, wherein the mechanical scanning drive assembly is configured for displacing the scanning optical fiber section is order to scan the emitted light beam, and a display configured for receiving the scanned light beam and generating an image to the end user.

Polarizing maintaining optical fiber in virtual/augmented reality system

A display subsystem for a virtual image generation system for use by an end user comprises a display, an optical fiber having a polarization-maintaining (PM) transmission fiber section and a non-PM scanning fiber section, a light source configured for injecting a linearly polarized light beam into the transmission fiber section, such that the linearly polarized light beam is emitted from the scanning fiber section, a mechanical scanning drive assembly in which the scanning fiber section is affixed, wherein the mechanical scanning drive assembly is configured for displacing the scanning optical fiber section is order to scan the emitted light beam, and a display configured for receiving the scanned light beam and generating an image to the end user.

Stereoscopic display apparatus employing light emitting diodes with polarizing film/lens materials
11307434 · 2022-04-19 · ·

A stereoscopic display system including an array of Light Emitting Diodes (LEDs) is provided. The system includes a plurality of left LEDs, each left LED comprising a left housing, a left light transmitter arrangement within the left housing, and a left polarizing element positioned with the left housing above the left light transmitter arrangement and a plurality of right LEDs, each right LED comprising a right housing, a right light transmitter arrangement within the right housing, and a right polarizing element positioned with the right housing and above the right light transmitter arrangement. At least one left housing and left polarizing element pair are each irregularly formed and fit together, and at least one right housing and right polarizing element are each irregularly formed in a manner complementary to the at least one left housing and left polarizing element.

Stereoscopic display apparatus employing light emitting diodes with polarizing film/lens materials
11307434 · 2022-04-19 · ·

A stereoscopic display system including an array of Light Emitting Diodes (LEDs) is provided. The system includes a plurality of left LEDs, each left LED comprising a left housing, a left light transmitter arrangement within the left housing, and a left polarizing element positioned with the left housing above the left light transmitter arrangement and a plurality of right LEDs, each right LED comprising a right housing, a right light transmitter arrangement within the right housing, and a right polarizing element positioned with the right housing and above the right light transmitter arrangement. At least one left housing and left polarizing element pair are each irregularly formed and fit together, and at least one right housing and right polarizing element are each irregularly formed in a manner complementary to the at least one left housing and left polarizing element.

STEREOSCOPIC VISUALIZATION CAMERA AND PLATFORM

A stereoscopic imaging apparatus and platform are disclosed. An example stereoscopic imaging apparatus includes a main objective assembly and left and right lens sets defining respective parallel left and right optical paths from light that is received from the main objective assembly of a target surgical site. Each of the left and right lens sets includes a front lens, first and second zoom lenses configured to be movable along the optical path, and a lens barrel configured to receive the light from the second zoom lens. The example stereoscopic imaging apparatus also includes left and right image sensors configured to convert the light after passing through the lens barrel into image data that is indicative of the received light. The example stereoscopic visualization camera further includes a processor configured to convert the image data into stereoscopic video signals or video data for display on a display monitor.

Flexible or curved display for MRI bore

A display system suitable for use inside an MRI system bore to display images to a patient undergoing an MRI procedure. The display system includes a curved display structure fitted inside the MRI bore, and having a width and length sufficient to present images to the patient inside the tunnel. First and second EMI shielding layers sandwich the curved display structure. A display electronics module is electrically connected to the curved display structure to provide video drive signals to the curved display structure. A housing for the display electronics module is configured to provide shielding to prevent EM signals from within the housing to affect MRI image processing.

Flexible or curved display for MRI bore

A display system suitable for use inside an MRI system bore to display images to a patient undergoing an MRI procedure. The display system includes a curved display structure fitted inside the MRI bore, and having a width and length sufficient to present images to the patient inside the tunnel. First and second EMI shielding layers sandwich the curved display structure. A display electronics module is electrically connected to the curved display structure to provide video drive signals to the curved display structure. A housing for the display electronics module is configured to provide shielding to prevent EM signals from within the housing to affect MRI image processing.

3D DISPLAY APPARATUS
20210356811 · 2021-11-18 · ·

The present disclosure relates to a 3D display apparatus. The 3D display apparatus may include a first substrate, a second substrate, a liquid crystal layer between the first substrate and the second substrate, a first alignment layer on the first substrate, a second alignment layer on the second substrate, a polarizer, and an analyzer between the second alignment layer and the second substrate. The polarizer may be on a side of the first substrate opposite from the first alignment layer or between the first substrate and the first alignment layer. The polarizer may be configured to form two types of linearly polarized light being alternately arranged, and polarization directions of the two types of linearly polarized light are perpendicular to each other.