Abstract: A display device, a head-up display and a transportation equipment are provided. In the display device, a first image source includes a first display area; a refraction element is configured to refract image light emitted from at least partial region of the first display area; the image light refracted by the refraction element is reflected by a first reflection element and propagated to an observation area to form a first virtual image; along a direction from a first end of the at least partial region to a second end of the at least partial region, an optical distance of at least part of the image light emitted from the at least partial region between a light incident surface of the refraction element and a light exiting surface of the refraction element gradually decreases.

Abstract: An LED light bulb is provided. The LED light bulb includes a lamp housing, a bulb base, a stem, two conductive supports, a driving circuit, and a flexible LED filament. The flexible filament includes a first LED section, a second LED section, a conductive section, a first conductive electrode, and a second conductive electrode. The first LED section is bent in a first three-dimensional curve shape. The second LED section is bent in a second three-dimensional curve shape. The conductive section includes a center point of the flexible LED filament. The flexible LED filament is bent in a third three-dimensional curve shape including the first three-dimensional curve shape, the conductive section, and the second three-dimensional curve shape.

Abstract: An LED light bulb is provided. The LED light bulb includes a lamp housing, a bulb base, a stem, first and second conductive supports, a driving circuit, and a flexible LED filament. The flexible filament includes two conductive electrodes, a first LED section, a second LED section, and a conductive section. The first LED section is bent in a first space curved shape. The second LED section is bent in a second space curved shape. The conductive section includes a center point of the flexible LED filament. The flexible LED filament is bent in a third space curved shape comprising the first space curved shape and the second space curved shape.

Abstract: An apparatus includes an enclosure, a central processing unit, a power source, a first distance measuring device, a first compressible member, and a first housing pin, where the central processing unit is electrically coupled to the power source and the first distance measuring device. A first end of the first compressible member is mechanically coupled to a first end of the first housing pin and a second end of the first compressible member is mechanically coupled to an inner surface of the enclosure. The first distance measuring device positioned at the second end of the first compressible member, where the first distance measuring device is configured to measure a first distance to the first end of the first housing pin. A first key pin of a key structure disposed in the enclosure, where the first key pin is configured to compress the first compressible member the first distance.

Abstract: A display apparatus, a head-up display and a motor vehicle are provided. The display apparatus includes a projector device, a reflector structure and a light beam diffuser structure. Light emitted from the projector device passes through the light beam diffuser structure, is reflected by the reflector structure, and then reaches a first predetermined region; the light beam diffuser structure is configured to diffuse a light beam passing through the light beam diffuser structure; the reflector structure is configured to reflect the light emitted from the projector device and the light reflected by the plurality of sub-reflector structures reaches a second predetermined region within the first predetermined region if the light beam diffuser structure is removed from an optical path from the projector device to the first predetermined region, and an area of the second predetermined region is smaller than an area of the first predetermined region.

Abstract: An impact driver, in accordance with one embodiment, includes a rotatable shaft, and a rotating driver mechanism configured to rotate the shaft. A first mass is positioned to selectively strike the rotating driver mechanism for inducing a rotation of the shaft in a first direction. A first inductor is positioned to accelerate the first mass toward the rotating driver mechanism. A computer-implemented method, in accordance with one embodiment, includes repeatedly activating a first inductor for repeatedly accelerating a first mass toward a rotating driver mechanism to selectively strike the rotating driver mechanism for inducing a rotation of a shaft in a first direction. In response to receiving an indication that rotation of the shaft is detected, the repeated activation is terminated.

Abstract: Disclosed are a head-up display device and a motor vehicle. The head-up display device includes an image source, a transflective device and a light control device. The image source is configured to emit light for forming an image. The transflective device is configured to reflect light that is incident on the transflective device and allow the light that is incident on the transflective device to be transmitted. The light control device includes a retroreflection element and a dispersion element arranged above the retroreflection element; the retroreflection element is configured to reflect the light that is incident on the retroreflection element in a direction opposite the incident direction of the light that is incident on the retroreflection element; and the dispersion element is configured to diffuse the light that is incident on the dispersion element.

Abstract: A head-up display device includes a light source component, an image generating element and at least one sensor. The light source component includes at least one light source configured to emit light. The image generating element is configured to convert light emitted by the at least one light source into image light and output the same. The at least one sensor is located at a side of the image generating element close to the light source component. The sensor of the head-up display device has the potential to affect the image light. Also provided are a head-up display system including the head-up display device, and a transport device including the head-up display device or the head-up display system.

Abstract: An LED light bulb is provided. The LED light bulb includes a lamp housing, a bulb base, a stem, first and second conductive supports, a driving circuit, and a flexible LED filament. The flexible filament includes two conductive electrodes, a first LED section, a second LED section, and a conductive section. The first LED section is bent in a first space curved shape. The second LED section is bent in a second space curved shape. The conductive section includes a center point of the flexible LED filament. The flexible LED filament is bent in a third space curved shape comprising the first space curved shape and the second space curved shape.

Abstract: A system for use in imaging in the air, including: an image source, a transflective mirror and a retroreflective element. Light emitted by the image source is irradiated onto the retroreflective element after being reflected by the transflective mirror, the light is reflected on the retroreflective element and emerges in an opposite direction along an original incident path, and after being transmitted by the transflective mirror, then forms a real image. A selective transmissive film is provided on a side of the transflective mirror facing the image source, and a phase delay optical element is provided on a side of the retroreflective element facing the transflective mirror such that first linearly polarized light incident on the retroreflective element from the transflective mirror becomes circularly polarized light after passing through the phase delay optical element.

Abstract: A head up display system, a control method thereof and a vehicle are provided. The head up display system includes an imaging device group, a concave reflective element, a directional imaging device and a processor, the imaging device group includes at least one single-layer imaging device; the directional imaging device includes a light source device, a direction control element, a diffusing element and a light modulating layer; the processor is respectively connected with the directional imaging device and the at least one single-layer imaging device in the imaging device group.

Abstract: An impact driver, in accordance with one embodiment, includes a rotatable shaft, and a rotating driver mechanism configured to rotate the shaft. A first mass is positioned to selectively strike the rotating driver mechanism for inducing a rotation of the shaft in a first direction. A first inductor is positioned to accelerate the first mass toward the rotating driver mechanism. A computer-implemented method, in accordance with one embodiment, includes repeatedly activating a first inductor for repeatedly accelerating a first mass toward a rotating driver mechanism to selectively strike the rotating driver mechanism for inducing a rotation of a shaft in a first direction. In response to receiving an indication that rotation of the shaft is detected, the repeated activation is terminated.

Abstract: A head-up display system, an active light-emitting image source, a head-up display and a motor vehicle are disclosed. The head-up display system includes a plurality of light sources arranged according to a predetermined rule; a micro-lens array including a plurality of micro-lenses, wherein each micro-lens corresponds to one or more light sources and adjusts directions of chief light of light emitted by the one or more light sources corresponding thereto, and the micro-lens array converges chief light of light emitted by the plurality of light sources so that chief light of light after being exited from the micro-lens array is directed to a predetermined range; and a reflector device for displaying at a side, away from the light sources, of the micro-lens array, and configured to emit light to an observation region.

Abstract: The embodiments disclosed in this application describe a displaying system, a displaying method, and a head-up display. The heads-up displaying system includes a display window including a transflective film, an image source emitting light incident on the imaging window, and the light emitted by the image source before reaching the transflective film only comprising s-polarized light. The transflective film is configured to directly reflect a first portion of the s-polarized light emitted from the image source. The transparent substrate reflects a second portion of the s-polarized light, and transmits a third portion of the s-polarized light to the air, the first portion of the s-polarized light, the second portion of the s-polarized light and the third portion of the s-polarized light are all s-polarized light.

Abstract: A display apparatus, a head-up display and a motor vehicle are provided. The display apparatus includes a projector device, a reflector structure and a light beam diffuser structure. Light emitted from the projector device passes through the light beam diffuser structure, is reflected by the reflector structure, and then reaches a first predetermined region; the light beam diffuser structure is configured to diffuse a light beam passing through the light beam diffuser structure; the reflector structure is configured to reflect the light emitted from the projector device and the light reflected by the plurality of sub-reflector structures reaches a second predetermined region within the first predetermined region if the light beam diffuser structure is removed from an optical path from the projector device to the first predetermined region, and an area of the second predetermined region is smaller than an area of the first predetermined region.

Abstract: A light control apparatus, a passive light-emitting image source and a head-up display system are provided. The head-up display system includes a light source, a collimator element, a light concentrator element, a diffuser element, a liquid crystal panel and a transflective reflection device for displaying; the collimator element is configured to adjust an exit direction of light emitted by the light source into a preset angle range; the light concentrator element is configured to concentrate the light emitted by the light source; the diffuser element is configured to diffuse the light emitted by the light source; the liquid crystal panel is configured to convert the light emitted by the light source into imaging light, and allow the imaging light to be incident on the reflection device for displaying; and the reflection device for displaying is configured to reflect the imaging light to a preset region.

Abstract: Disclosed are a head-up display device and a motor vehicle. The head-up display device includes an image source, a transflective device and a light control device. The image source is configured to emit light for forming an image. The transflective device is configured to reflect light that is incident on the transflective device and allow the light that is incident on the transflective device to be transmitted. The light control device includes a retroreflection element and a dispersion element arranged above the retroreflection element; the retroreflection element is configured to reflect the light that is incident on the retroreflection element in a direction opposite the incident direction of the light that is incident on the retroreflection element; and the dispersion element is configured to diffuse the light that is incident on the dispersion element.

Abstract: An apparatus includes an enclosure, a central processing unit, a power source, a first distance measuring device, a first compressible member, and a first housing pin, where the central processing unit is electrically coupled to the power source and the first distance measuring device. A first end of the first compressible member is mechanically coupled to a first end of the first housing pin and a second end of the first compressible member is mechanically coupled to an inner surface of the enclosure. The first distance measuring device positioned at the second end of the first compressible member, where the first distance measuring device is configured to measure a first distance to the first end of the first housing pin. A first key pin of a key structure disposed in the enclosure, where the first key pin is configured to compress the first compressible member the first distance.

Abstract: A garment is disclosed for easy donning and removal. In one example, the garment is a pair of pants that comprises: a waistband with a first end and a second end, a first leg, a second leg, a first sealable opening running from said waistband to a hem of said first leg, a second sealable opening running from said waistband to a hem of said second leg, and a front patch. The waistband has an extension strip on said first end. The extension strip extends from a proximity of an intersection of said waistband and said first sealable opening. The second end of said waistband has a component of a fastener. The extension strip has a mating component of said fastener.

Abstract: An apparatus, according to one embodiment, includes: an electromagnetic shaft, an expandable balloon coupled to a first end of the shaft, and a fluid reservoir. A conduit also extends between the fluid reservoir and an interior of the balloon. The apparatus also includes a selectively magnetizable fluid, at least a portion of which is contained in the fluid reservoir, and a pump for selectively transferring the magnetizable fluid from the fluid reservoir to the balloon. A pressure sensor for detecting a pressure of the magnetizable fluid, and a controller for controlling the pump are further included. Moreover, at least a portion of the shaft is flexible. Other systems, methods, and computer program products are described in additional embodiments.