Aspects of the present disclosure relate to haptic feedback systems and methods for use in head-worn computing systems. A head worn computer includes a frame adapted to hold a computer display in front of a user's eye, a processor adapted to present digital content in the computer display and to produce a haptic signal in coordination with the digital content display, and a haptic system including a plurality of haptic segments, wherein each of the haptic segments is individually controlled in coordination with the haptic signal.

An image display device including a laser light source; an optical element; and a transmitting-reflecting member, the image display device which displays an image by forming the image by light which is emitted from the laser light source and making image light after forming the image to be incident on the transmitting-reflecting member, wherein the laser light source is arranged such that there are more S polarization components of the image light which is incident on the transmitting-reflecting member with respect to the transmitting-reflecting member than P polarization components, and a mobile object including the image display device.

Provided are an illumination device and a display apparatus capable of reducing generation of an interference pattern, while achieving downsizing and enhancing light use efficiency. An illumination device includes: a light source section that includes a laser light source; an optical device disposed on a light path through which laser light from the laser light source travels; an optical member that outputs illumination light; and a driving section that displaces a relative position between the optical device and the optical member to vary at least one of an incidence position and an incidence angle, in an incidence surface of the optical member, of the laser light.

A see-through head mounted display with controllable light blocking includes an optics module comprising a light source and image source positioned on a same side of an angled partially-reflective surface, wherein the light source projects light off the surface to the image source which reflects the light as image light to the surface which transmits the image light along a first axis. The display also includes a flat combiner positioned to reflect the image light off of a first side and simultaneously transmit incident light through the first and a second side, along an optical axis perpendicular to the first axis to provide a view of a displayed image overlaid onto a see-through view of the environment, and a controllable light blocking element arranged generally parallel to the flat combiner and in front of the second side to block light incident on the same optical axis as the image light.

Some embodiments of the present disclosure provide a prismatic AR display device comprising an LCOS display chip, a polarization beam splitter (PBS), a double cemented lens, a first single lens and a beam splitting prism sequentially arranged along a first axis, and LCOS lighting apparatus arranged on a second axis perpendicular to the first axis and is close to the PBS. A negative lens in the double cemented lens is close to the PBS, and a positive lens in the double cemented lens is close to the first single lens; a first light incident surface of the beam splitting prism is close to the first single lens, and an optical axis of the first light incident surface coincides with that of the first single lens; and an optical axis of a second light incident surface of the beam splitting prism is perpendicular to that of the first light incident surface.

A light source apparatus includes a first laser light emitter that emits red light, a second laser light emitter that emits green light, a third laser light emitter that emits blue light, and a light combiner that the red light emitted from the first laser light emitter, the green light emitted from the second laser light emitter, and the blue light emitted from the third laser light emitter enter and that combines the incident red light, green light, and blue light with one another and outputs the combined light. The first laser light emitter includes L red light emitting devices. The second laser light emitter includes M green light emitting devices. The third laser light emitter includes N blue light emitting devices. L, M, and N are each an integer greater than or equal to one, and N is smaller than L and M.

A projection-type display device, provided with: a reflection-type image display element (DP), in which illumination light is reflected at an image display surface so as to be converted to image light and emitted; a prism unit (PU1) that bends a light path of the illumination light and transmits image light; and a projection lens system (PO) that projects the image light transmitted through the prism unit onto a screen. The prism unit (PU1) has an air gap (AG) that is disposed obliquely with respect to the main light rays of the image light emitted from the center of the image display surface. At least one lens (DL) in the projection lens system (PO) is eccentric in relation to the optical axis of the projection lens system (PO) so that comatic aberration produced when the image light is transmitted through the air gap (AG) will be canceled out.

The invention provides a wavelength conversion device, including a first wavelength conversion portion and a second wavelength conversion portion. The second wavelength conversion portion includes a wavelength maintenance zone and a plurality of wavelength conversion structures. When the second wavelength conversion portion is switched onto a transmission path of the excitation beam, a portion of the excitation beam is incident on the wavelength maintenance zone and becomes a second color beam, and another portion of the excitation beam is incident on the wavelength conversion structures and converted into a predetermined color beam. A first chromaticity coordinate value of the second color beam in color space is (x, y), a second chromaticity coordinate value of the second color beam, after being combined with the predetermined color beam by the dichroic element, in the color space is (x, y), and xx and yy.

A mems scanner package and a scanning projector including the same are disclosed. The MEMS scanner package includes a MEMS scanner including a mirror surface for reflecting light, a magnet disposed behind the MEMS scanner, a lower case having an accommodation space formed therein to accommodate the magnet, an upper case having an opening formed therein to pass light, reflected from the MEMS scanner, therethrough, and a transparent cover unit for covering the opening. The transparent cover unit is embodied as a transparent member, and is coupled to the upper case while being inclined at a predetermined inclination angle with respect to the MEMS scanner.

A light source unit includes a first light source configured to emit light in a first wavelength range, a second light source configured to emit light in a first wavelength range, a first dichroic mirror configured to reflect the light in the second wavelength range incident thereon at a first incident angle and transmit the light in the second wavelength range incident thereon at a second incident angle, which is different from the first incident angle, and a second dichroic mirror configured to reflect the light in the second wavelength range that has passed through the first dichroic mirror, wherein after having been reflected by the second dichroic mirror, the light in the second wavelength range is incident on the first dichroic mirror at the first incident angle to then be reflected by the first dichroic mirror.