| Patent application number | Description | Published |
|---|
| 20090153963 | Light Source Switching Device Adapted for a Projection System - A light source switching device for use in a projection system is provided. The light source switching device comprises at least two light guiding devices and at least one phase switching device. The phase switching device is disposed between the two light guiding devices and adapted to be in one of a first status and a second status. When the first light travels into the light source switching device, the phase switching device is capable of being in the first status such that the first light is adapted to emit out from the outlet surface. When the second light travels into the light source switching device, the phase switching device is capable of being in the second status such that the second light is adapted to emit out from the outlet surface. With the switching operation of the phase switching device, the plural lights provided by plural light sources would be selected and uniformized by the light source switching device. | 06-18-2009 |
| 20090161081 | Optical Engine Structure, Rear Projection Apparatus, and Front Projection Apparatus - An optical engine structure is provided. The optical engine structure comprises a base, an auxiliary supporting device, and an image projection device. The base defines a first supporting surface and a second supporting surface forming a specialized included angle therebetween. The auxiliary supporting device extends outwards from a side of the second supporting surface, and thereby the optical engine structure firmly lies on a reference plane with the first supporting surface or the second supporting surface, corporately supported by the auxiliary supporting device. By utilizing these two supporting surfaces, the image projection device can be easily set in a front projection apparatus or a rear projection apparatus. | 06-25-2009 |
| 20090195714 | COLOR SWITCHING DEVICE - A liquid crystal color switching device for use in a non-polarization projection device is disclosed. The color switching device comprises a PBS and two switchable phase retarder assemblies, respectively disposed at two outlets of the PBS, wherein each of the switchable phase retarder assemblies comprises at least one liquid crystal layer and at least one dichroic coating layer. When a white light with S- and P-polarizations enters the inlet of the PBS, the white light will be divided into two orthogonal polarized lights and emitted from two outlets of the PBS. After being modulated respectively by the switchable phase retarder assemblies of the two outlets, the two switched polarized lights will be combined by the PBS into a non-polarized light and be emitted from a third outlet of the PBS. | 08-06-2009 |
| 20090303444 | Projection System - A projection system is provided. The projection system comprises a first light source module, a second light source module, a prism module, a projection lens and a digital micromirror device (DMD). The two light source modules provide a first light beam and a second light beam according to the specific timing sequences respectively. The prism module is defined with a first reflection mechanism and a second reflection mechanism. The DMD comprises a plurality of micro mirrors. After traveling into the prism module and being reflected by the first reflection mechanism, the first light beam is emitted onto the micro mirrors. The first light beam is adapted to be reflected into the projection lens and image into the screen while the micro mirrors are at a first angle. After traveling into the prism module and being reflected by the second reflection mechanism, the second light beam is emitted onto the micro mirrors. The second light beam is adapted to be reflected into the projection lens and image into the screen while the micro mirrors are at a second angle. The two light source modules would be switched therebetween according to the specific timing sequences and specific angles of the micro mirrors. | 12-10-2009 |
| 20090303707 | Light Source Transforming Apparatus and Light Source Apparatus Comprising the Same - A light source transforming apparatus and a light source apparatus comprising the same are provided. The light source apparatus comprises at least one light source and a light source transforming apparatus. The light source transforming apparatus comprises at least one light guiding medium and color-combining medium. The light source transforming apparatus is configured to receive incident light of the at least one light source and then transform the incident light into emergent light emitted from the color-combining medium and into a light integrator, wherein a divergent angle of the incident light is larger than a divergent angle of the emergent light, and a incident area of the light source is smaller than an emergent area of the color-combining medium. | 12-10-2009 |
| 20100007964 | LIGHT INTEGRATING DEVICE FOR AN ILLUMINATION SYSTEM AND ILLUMINATION SYSTEM USING THE SAME - A light integrating device for an illumination system and an illumination system. The illumination system includes a first light source module and a second light source module providing a first light and a second light, respectively. The device includes first and second light collecting elements and a beam splitting element. The first light travels into the first light collecting element and is split into a plurality of light groups by the beam splitting element. At least one light group travels into the second light collecting element from the beam splitting element. The second light travels into the second light collecting element, is reflected by the beam splitting element and emits out from the second light collecting element along the principle axis of the light integrating device together with the at least one light group which is split from the first light and travels into the second light collecting element. | 01-14-2010 |
| 20100045939 | LIGHT INTEGRATION APPARATUS FOR USE IN A PROJECTION DEVICE - A light integration aparatus for use in a projection device is provided. The light integration apparatus comprises the first integration rod and the second integration rod symmetrically disposed with respect to a symmetric axis. The light emerging ends of the first integration rod and the second integration rod are both disposed towards the symmetric axis. Thus, the light is adapted to be guided through the first integration rod and the second integration rod, and emerge from the light emerging ends to travel parallel to the symmetric axis. | 02-25-2010 |
| 20100060860 | LIGHT GUIDE MODULE AND PROJECTION APPARATUS HAVING THE SAME - A projection apparatus and a light guide module for use in the projection apparatus are provided. The projector apparatus comprises an illumination mechanism, at least one digital micromirror device (DMD), and a light guide module, wherein the light guide module includes a plurality of interfaces. The illumination mechanism provides a light beam which travels through the plurality of interfaces of the light guide module along a first axis without any rotation. The light beam orderly performs total internal reflections on each of the interfaces of the light guide module. Accordingly, the light beam travels to the at least one DMD, and then the light beam is reflected along a second axis. | 03-11-2010 |
| 20100238413 | Projection System - A projection system is provided. The projection system comprises a first light source module, a second light source module, a prism module, a projection lens and a digital micromirror device (DMD). The two light source modules provide a first light beam and a second light beam according to the specific timing sequences respectively. The prism module is defined with a first reflection mechanism and a second reflection mechanism. The DMD comprises a plurality of micro mirrors. After traveling into the prism module and being reflected by the first reflection mechanism, the first light beam is emitted onto the micro mirrors. The first light beam is adapted to be reflected onto the projection lens and images onto the screen while the micro mirrors are tilted at a first angle. After traveling into the prism module and being reflected by the second reflection mechanism, the second light beam is emitted onto the micro mirrors. The second light beam is adapted to be reflected onto the projection lens and images onto the screen while the micro mirrors are tilted at a second angle. The two light source modules would be switched therebetween according to the specific timing sequences and specific angles of the micro mirrors. | 09-23-2010 |
| 20100321951 | HYBRID LIGHT SOURCE SYSTEM - A hybrid light source system is disclosed. The hybrid light source system adapted to be used in a projection apparatus comprises a dichroic component, a first light source, a second light source and a light processing component. The dichroic component defines a light path, with the first light source capable of generating a first light which is projected towards to the dichroic component along the light path and the second light source capable of generating a second light which is projected towards the dichroic component along the light path and opposite to the first light. The first light comprises a first sort of light beams and a second sort of light beams, in which the first sort of light beams and the second light are guided by the dichroic component to form a hybrid light and travel into the light processing component along the light path. | 12-23-2010 |
