Abstract: A display system includes both a cover panel and a display panel. The display panel includes multiple display pixels and multiple sensor elements configured to detect infrared light reflected from an object touching or close to the cover panel. The filter layer is configured to increase rejection of near infrared light reflected from the object prior to detection of the infrared light by the multiple sensor elements. The filter layer can be positioned in different locations, such as between the display panel and the cover panel, within the display panel, or within or on top of the cover panel.

Abstract: Optical stylus interaction techniques are described. In an implementation, a display of a computing device includes optical sensors capable of detecting images projected by a stylus. A stylus may include a projection system to project various images used to convey interaction information that may be interpreted by the computing device. Based on recognition of different projected images, a context for interaction of the stylus may be ascertained and corresponding operations may be performed by the computing device. This may include resolving a spatial position of the stylus relative to the display device as well as movement of the stylus and images that defines various stylus-based gestures. In addition, the environment for optical stylus interaction enables a writing mode that emulates natural writing by mapping different projectable images to changes in pressure applied to the stylus when in contact with the display.

Abstract: Briefly, in accordance with one or more embodiments, beam position diversity or beam offset diversity in pupil space performs the complement to angular diversity by maintaining angular content of a beam while changing its position and/or polarization properties in pupil space over time.

Abstract: Briefly, in accordance with one or more embodiments, scanned beam projector may comprise a light source, a scan drive and a scanning platform to project an image onto a projection surface. The scan drive circuit is capable of at least partially correcting distortion in the projected image by varying an amplitude of the scan drive signal to at least partially compensate for the distortion in the projected image.

Abstract: A guiding-substrate display may include an angle-mapped display engine to generate a modulated photonic output having angle-mapped rays responsive to an electrical signal without the use of an ocular lens. An input optical element receives the modulated photonic output of the angle-mapped display engine and cooperates with the angle-mapped display engine to launch modulated photonic output having selected polarization. An image relay slab receives the modulated photonic output from the input optical element and guides the modulated photonic output from a proximal to a distal location. An output optical element to receives the modulated photonic output from the image relay slab and launches the modulated photonic output having angle-mapped rays toward a viewing region.

Abstract: A display system includes and image-guiding substrate with input and/or output structures configured to improve image quality.

Abstract: Briefly, in accordance with one or more embodiments, scanned beam projector may comprise a light source, a scan drive and a scanning platform to project an image onto a projection surface. The scan drive circuit is capable of at least partially correcting distortion in the projected image by varying an amplitude of the scan drive signal to at least partially compensate for the distortion in the projected image.

Abstract: Briefly, in accordance with one or more embodiments, beam position diversity or beam offset diversity in pupil space performs the complement to angular diversity by maintaining angular content of a beam while changing its position and/or polarization properties in pupil space over time.

Abstract: Substrate-guided relays that employ light guiding substrates to relay images from sources to viewers in optical display systems. The substrate-guided relays are comprised of an input coupler, an intermediate substrate, and an output coupler. In some embodiments, the output coupler is formed in a separate substrate that is coupled to the intermediate substrate. The output coupler may be placed in front of or behind the intermediate substrate, and may employ two or more partially reflective surfaces to couple light from the coupler. In some embodiments, the input coupler is coupled to the intermediate substrate in a manner that the optical axis of the input coupler intersects the optical axis of the intermediate substrate at a non-perpendicular angle.

Abstract: A heads-up display that includes a scanner and a projection assembly. The scanner generates an image by sweeping a beam of electromagnetic energy, and the projection assembly directs the image into a predetermined viewing space having a region with a substantially uniform intensity profile. Such a heads-up display can often be made smaller than a conventional heads-up display, and can often generate an image having a higher quality than an image generated by a conventional display. Furthermore, one can often calibrate and recalibrate such a display without physically modifying or replacing a component of the display or of a vehicle incorporating the display.

Abstract: Briefly, in accordance with one or more embodiments, time averaged Moiré patterns may be utilized in a scanned beam display having a Gaussian beam profile or the like in order to tailor uniformity of the image by controlling both the near field and far field regions of the display to result in a stable and uniform scanned beam display image. Consideration is made regarding the light source parameters of focus numerical aperture, profile, shape, and/or wavelength to achieve higher uniformity and stability without resulting in significant visible coherent artifacts such as tiled intensity patterns and/or Moiré.

Abstract: A display system includes and image-guiding substrate with input and/or output structures configured to improve image quality.

Abstract: A display system includes and image-guiding substrate with input and/or output structures configured to improve image quality.

Abstract: An image-guiding substrate including an image output portion including a plurality of mirrors configured to receive propagated rays and launch the propagated rays toward a viewing region, each mirror having a partial reflectivity of substantially (1/Y)*[1/(X+1)], where X is the number of mirrors remaining to be traversed by a portion of a ray not launched by the mirror and 1/Y is an occlusion.

Abstract: A projection screen reduces laser speckle. Cells having non-zero volume are arranged on the projection screen so as to receive laser light. The cells are at least partially filled with a light scattering media. The laser light enters the cells and is spatially scattered. The light emerging from the cells includes many phase fronts with a more random polarization state. Speckle is reduced as a result. The cells are oriented to reduce lateral movement of light from one cell to another, thereby reducing blooming that would otherwise occur.

Abstract: Briefly, in accordance with one or more embodiments, a buried numerical aperture expander may be utilized to provide a head-up or virtual display at a larger field of view without requiring a larger amount of space, larger sized display, or larger sized optics. The buried numerical aperture expander is capable of selectively reflecting light emanating from a display such that the reflected light is expanded into a larger field of view, while simultaneously allowing other light to be transmitted through the buried numerical aperture expander without expansion so that the buried numerical aperture expander may be deployed in conjunction with a windshield or window without adversely affecting the ability to see through buried numerical aperture expander.

Abstract: A display system includes an angle-mapped display engine operable to launch angle-mapped image-bearing rays through an image-guiding substrate for display.

Abstract: Briefly, in accordance with one or more embodiments, a display screen for a scanned beam display system comprises an exit pupil expander comprising a reflective layer to reflect an incoming beam from a scanned beam projector to an eyebox. Exit numerical aperture cones emanating from the exit pupil expander resulting from the reflected incoming beam are angularly redirected toward an eyebox disposed near an image plane to result in at least partially overlapping zeroth-order diffraction pattern from multiple spots on the exit pupil expander.

Abstract: Briefly, in accordance with one or more embodiments, an optical relay comprises a partially-reflective-coated Fresnel lens or similar low-profile lens such as a diffractive lens or a holographic lens having a first index of refraction and a filler medium having a second index of refraction and being disposed adjacent to the Fresnel lens. The optical relay enables the optical power of the Fresnel or similar low-profile lens embedded within the two layers to influence a beam that is reflected from the optical relay while allowing transmitted light to experience little or no influence from the embedded lens.

Abstract: Briefly, in accordance with one or more embodiments, an optical relay comprises a partially-reflective-coated Fresnel lens or similar low-profile lens such as a diffractive lens or a holographic lens having a first index of refraction and a filler medium having a second index of refraction and being disposed adjacent to the Fresnel lens. The optical relay enables the optical power of the Fresnel or similar low-profile lens embedded within the two layers to influence a beam that is reflected from the optical relay while allowing transmitted light to experience little or no influence from the embedded lens.