Patent application number | Description | Published |
20080309890 | PROJECTION APPARATUS AND LIGHT INTEGRATION ROD THEREOF - A light integration rod having a light input end and a light output end opposite to each other is provided. The light integration rod includes a first reflective plate, a second reflective plate, a third reflective plate and a fourth reflective plate. The second reflective plate is opposite to the first reflective plate. The third reflective plate and the fourth reflective plate connect the first reflective plate and the second reflective plate, and are disposed opposite to each other. A long side of the first reflective plate is not equal to a long side of the second reflective plate. A short side at the light output end of at least one of the first reflective plate and the second reflective plate is separate from a short side of the third reflective plate and a short side of the fourth reflective plate at the light output end. | 12-18-2008 |
20110090463 | PROJECTION APPARATUS - A projection apparatus includes at least one light source, a field lens, a light valve, and a projection lens. The light source provides an illumination beam. The field lens is disposed in a transmission path of the illumination beam including an effective beam passing through the field lens and a ghost beam reflected by the field lens. The light valve converts the effective beam into an image beam. The projection lens includes a lens group, an aperture stop, and a light-shielding element. The lens group and the aperture stop are disposed in a transmission path of the image beam passing through the field lens and a ghost beam path of the ghost beam reflected by the field lens. The light-shielding element is disposed in at least a portion of the ghost beam path between the lens of the lens group furthest away from the aperture stop and the aperture stop. | 04-21-2011 |
20110090464 | PROJECTION APPARATUS - A projection apparatus includes at least one light source, a field lens, a light valve, and a projection lens. The light source provides an illumination beam. The field lens is disposed in a transmission path of the illumination beam including an effective beam passing through the field lens and a ghost beam reflected by the field lens. The effective beam forms a light spot on the light valve capable of converting the effective beam into an image beam. The projection lens is disposed in a transmission path of the image beam and a ghost beam path of the ghost beam. A center of the light spot does not overlap a center of the light valve. An offset direction from the light valve to an optical axis of the projection lens is the same as a direction from the center of the light valve to the center of the light spot. | 04-21-2011 |
20120075594 | PROJECTION APPARATUS AND ILLUMINATION SYSTEM - A projection apparatus including a light source, a light uniforming and shaping module, and a light valve is provided. The light source has a light-emitting surface and is capable of emitting an illumination beam. The light uniforming and shaping module is disposed on a transmission path of the illumination beam. The light valve is disposed on a projection surface and on the transmission path of the illumination beam from the light uniforming and shaping module, wherein the light valve is capable of converting the illumination beam into an image beam. The light uniforming and shaping module is for projecting a light from each point of the light-emitting surface to a region on the projection surface, and the union of the regions projected from all the points on the light-emitting surface covers an entire active surface of the light valve. An illumination system is also provided. | 03-29-2012 |
20120133898 | PROJECTION APPARATUS - A projection apparatus includes an illumination system, a light valve, a projection lens, and a first reflective unit. The illumination system provides an illumination light beam. The light valve is disposed on a transmission path of the illumination light beam and capable of converting the illumination light beam into an image light beam. The illumination light beam is transmitted to the light valve vertically. The projection lens is disposed on a transmission path of the image light beam. The first reflective unit disposed on the transmission path of the image light beam is located between the light valve and the projection lens. The first reflective unit is capable of reflecting the image light beam from the light valve to the projection lens. The image light beam reflected by the first reflective unit to the projection lens is perpendicular to the illumination light beam transmitted to the light valve. | 05-31-2012 |
20130088441 | TOUCH DISPLAY APPARATUS - A touch display apparatus including a first projecting screen and a projection apparatus is provided. The first projecting screen has a first curved surface. The first curved surface is capable of receiving a touch input instruction and has at least one tactile sense identify region. A sense of touch of the tactile sense identify region is different from a sense of touch of the other regions of the first curved surface. The projection apparatus is capable of projecting a projecting beam toward the first curved surface so as to form an image. | 04-11-2013 |
20130094002 | PROJECTION SYSTEM USED IN A VEHICLE - A projection system used in a vehicle including a projection apparatus, a projection screen, and an image correction module is provided. The projection apparatus provides an image beam. The projection screen receives the image beam. The image beam forms an image on the projection screen. The projection screen is a non-flat plane. The image correction module corrects the image beam to compensate a distortion of the projected image based on the surface contour of the image screen. | 04-18-2013 |
20130100527 | VEHICULAR PROJECTION SYSTEM - A vehicular projection system including a projection apparatus, a beam splitting module, and two projection screens is provided. The projection apparatus provides at least one image light beam. The beam splitting module divides the image light beam into a first image light beam and a second image light beam. The two projection screens receive the first image light beam and the second image light beam respectively. Each of the first image light beam and the second image light beam respectively forms an image on one of the two projection screens corresponding thereto. | 04-25-2013 |
20130265245 | TOUCH DEVICE AND TOUCH PROJECTION SYSTEM USING THE SAME - A touch device including a light guide unit, a light emitting unit, an invisible light filter and an invisible light detector is provided. The light guide unit has at least one light incident surface and a first surface connected to the light incident surface. The light emitting unit is disposed beside the light incident surface and is capable of emitting an invisible light beam. The invisible light filter is contacted tightly with the first surface. The light guide unit is disposed between the invisible light filter and the invisible light detector. Moreover, a touch projection system including the touch device is also provided. | 10-10-2013 |
20130293851 | PROJECTION SYSTEM - A projection system including a projection screen and a projection apparatus is provided. The projection screen has a plurality of optical microstructures. The optical microstructures are arranged along a first direction. The projection apparatus is capable of moving relative to the projection screen along the first direction. The projection apparatus includes an illumination unit, a light valve, and a projection lens. The illumination unit is capable of providing an illuminating beam. The light valve is disposed on a transmission path of the illuminating beam. The light valve is capable of converting the illuminating beam to an image beam. The projection lens is disposed on a transmission path of the image beam. The projection lens is capable of moving relative to the light valve along a second direction and projecting the image beam on the projection screen. The first direction and the second direction are opposite directions. | 11-07-2013 |
20130314379 | VEHICULAR OPTICAL TOUCH APPARATUS - A vehicular optical touch apparatus includes a screen, an elastic layer, a detection light source, and an image detector. The elastic layer is disposed on the screen and includes a first surface facing away from the screen and a second surface facing the screen. The second surface includes a plurality of inclined surfaces inclined with respect to the first surface. The inclined surfaces totally reflect at least one portion of ambient light entering the elastic layer through the first surface, so that the portion of ambient light leaves the elastic layer through the first surface. The detection light source emits detection light toward the elastic layer. When an object presses the first surface to deform the second surface, the detection light sequentially passes through the elastic layer, is reflected by the object, passes through the elastic layer again, and is transmitted to the image detector. | 11-28-2013 |
20140049618 | STEREO IMAGE DISPLAYING SYSTEM AND STEREO IMAGE CAPTURING SYSTEM - A stereo image displaying system including an image displaying apparatus and an imaging element is provided. The image displaying apparatus displays image beams along an optic axis. The imaging element has a curved-surface. The curved-surface receives the image beams and converts the image beams into deformation images. The imaging element transmits the deformation images. Furthermore, a stereo image capturing system is also provided. | 02-20-2014 |
20140104580 | PROJECTION DEVICE - The disclosure provides a projection device, including an image source, a light-splitting module, and an imaging lens. The image source provides an image beam. The image beam includes a plurality of sub-image beams respectively emitted from a plurality of image areas of the image sources. The light-splitting module has at least one total reflection plane totally reflecting at least one sub-image beam of the sub-image beams and allowing at least another sub-image beam of the sub-image beams to transmit therethrough. The imaging lens includes a rear refractive-element group and a front refractive-element group. The rear and front refractive-element groups are configured on a transmission path of the image beam, and the light-splitting module is configured between the rear and front refractive-element groups. | 04-17-2014 |
20140198302 | IMAGE REARRANGING LENS AND PROJECTION APPARATUS - An image rearranging lens and a projection apparatus are provided. The image rearranging lens is used to rearrange a plurality of sub images provided by an image source and arranged along an arranging direction. The image rearranging lens includes a plurality of lens groups arranged along the arranging direction. Each of the sub images is imaged on a corresponding lens group. Optical axes of the lens groups are not aligned to each other along the arranging direction. The optical axis of each of the lens groups and the optical axis of the neighboring lens groups have an offset along a direction perpendicular to the arranging direction. | 07-17-2014 |