A scanning projector includes a programmable voltage source to provide a programmable voltage to a laser light source. A look-ahead circuit determines future voltage requirements by finding peaks in future pixel data. The programmable voltage may change for each frame of video, for each line of video, or multiple times within each line of video.

A micromechanical device for projecting an image and for analyzing an optical spectrum and a corresponding manufacturing method. The device includes: a first light providing unit by which a first light beam is providable to the device; a diffraction unit for diffract the first light beam provided to the device as a function of a diffraction property of the diffraction unit; a second light providing unit by which a second light beam is providable to the device; a micromirror by which the second light beam provided to the device is variably deflectable as a function of a position and/or an orientation of the first micromirror; and a first actuator by which the adjustable diffraction property of the optical diffraction unit and also the position and/or the orientation of the micromirror are adjustable.

The present disclosure provides a projection device and manufacturing method, comprising the steps of fixing the positions of a red light source, green light source and blue light source so that the light sources are immovable; providing a mirror which is configured to oscillate such that it can scan light it receives across a display screen; positioning an optical component, which is configured to deflect light, such that it can receive red, green and blue light beams outputted from the red, green and blue light sources respectively; adjusting the optical component such that the optical component compensates for variation between the light sources, in the direction in which the red, green and blue light beams are output from the red, green and blue light sources, so that each of the red, green and blue light beams are directed to the same point on the display screen.

A video display system includes a light source configured to generate light and a substrate having a plurality of pixels deposited on a first side of the substrate. Each of the pixels is formed from a plurality of photo-luminescent dyes, and the light source is configured to project light onto the first side of the substrate to illuminate at least a subset of the photo-luminescent dyes in a raster pattern to generate an image. In another embodiment omitting the substrate, the photo-luminescent dyes forming the pixels are deposited directly onto a screen.

Systems and techniques for scanning-beam display are provided to use local dimming on the optical energy of at least one optical beam to minimize the non-uniform image brightness across the screen. This local dimming during the beam scanning can be achieved by adjusting optical energy of at least one optical beam during the scanning based on (1) the location of the scanning optical beam and (2) the predetermined distortion information at the location.

The present disclosure relates to a method and system for optimizing a projector for projection of content. In one embodiment the method includes receiving by a processing element a plurality of test images corresponding to test patterns projected by the projector on a projection surface, where each of the test patterns include at least two points, comparing by the processing element the plurality of test images to assess one or more projector characteristics related to a distance between the two points, generating by the processing element a projector model representing the one or more projector characteristics, and utilizing the model to determine a projection path of the projector for the content.

Systems, devices, and methods for optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically sealed, encapsulated package. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

Provided is a projection-type image display device including: a projection unit including a light source configured to emit light having intensity corresponding to a pixel value of an input image and a deflection unit configured to deflect emitted light from the light source using a mirror to perform scanning on a projection object; a retiming unit configured to perform retiming on pixel data of the input image in accordance with a deflection angle in the deflection unit; a shape distortion correction table having a shape distortion correction amount in each shape distortion correction table calculation position; a brightness distortion correction table having a brightness distortion correction amount in each brightness distortion correction table calculation position; and an image correction unit configured to perform distortion correction on the input image by performing signal processing based on the shape distortion correction table and the brightness distortion correction table.

Image projection devices, high-speed fiber scanned displays and related methods for projecting an image onto a surface and interfacing with the projected image are provided. A method for projecting one or more images and obtaining feedback with an optical input-output assembly is provided. The input-output assembly comprising a light-scanning optical fiber and a sensor. The method includes generating a sequence of light in response to one or more image representations and a scan pattern of the optical fiber, articulating the optical fiber in the scan pattern, projecting the sequence of light from the articulated optical fiber, and generating a feedback signal with the sensor in response to reflections of the sequence of light.

To provide an illumination device and a projection type image display device that illuminate an area to be illuminated (image formation area) under conditions where speckle noise is less noticeable. An illumination device according to the present invention includes: a light source 11 that emits coherent light; an optical scanning section 15 that scans the coherent light emitted from the light source 11; and an optical path conversion system 21 configured to allow the coherent light scanned by the optical scanning section 15 to illuminate an area to be illuminated sequentially in an overlapping manner. An incident angle of the coherent light that enters respective points of the area to be illuminated changes with time.