Patent application number | Description | Published |
20090066920 | PROJECTION TYPE IMAGE DISPLAY DEVICE - A projection type image display device includes a reflector | 03-12-2009 |
20090195707 | LASER PICTURE FORMATION DEVICE AND COLOR PICTURE FORMATION METHOD - The laser picture formation device includes a two-dimensional modulation element performing video image modulation as well as four or more laser light sources having different center wavelengths. The video images which have no speckle noises at the wavelength region that has high visibility, which are realized by simultaneously emitting the laser lights of green (G) and yellowish green (Y) which have particularly high visibility, and video images which are vivid as cannot be represented by the conventional display, and which can be realized by controlling the laser lights of respective colors independently, can be displayed. Particularly, by modulating the two-dimensional modulation element and the laser light output with synchronized with each other, various video displays are enabled. | 08-06-2009 |
20090244494 | PROJECTION TYPE DISPLAY APPARATUS - A projection type display apparatus includes: a rotary color filter | 10-01-2009 |
20090257029 | IMAGE FORMING DEVICE - An image forming device which has a high reliability and forms an image without speckle noise is provided. | 10-15-2009 |
20100091252 | PROJECTION DISPLAY DEVICE - A projection display device that includes: a light source unit | 04-15-2010 |
20100118213 | PROJECTION DISPLAY DEVICE - A device includes a light source | 05-13-2010 |
20100165300 | ILLUMINATION APPARATUS AND PROJECTION DISPLAY APPARATUS USING THE SAME - An illumination apparatus includes a light source ( | 07-01-2010 |
20100171927 | PROJECTION TYPE IMAGE DISPLAY DEVICE - Red, green, and blue laser light emitted from laser light sources | 07-08-2010 |
20110234647 | IMAGE DISPLAY DEVICE - An image display device includes a plurality solid-state light sources, a modulator configured to modulate light from a plurality of solid-state light sources, and an image display device configured to generate from a frame of image data, a plurality of subframes each further divided into subfields, and to display the plurality of subframes. The modulator turns off light output from all the solid-state light sources for the duration of one or more of the plurality of subframes, whereby it is possible to reduce motion blur arising from a hold-type display device, in which after-images remain on the retina of a person's eyes when viewing moving objects. | 09-29-2011 |
20110234923 | LIGHTING DEVICE AND PROJECTION TYPE IMAGE DISPLAY APPARATUS USING THE SAME - A lighting device is provided which efficiently achieves a high brightness and a high image quality by using a solid light source which has long service life and does not need mercury. The lighting device includes a first light source section, a second light source section, a second rod integrator for combining lights emitted from the first and second light source sections, and a first rod integrator for guiding the light from the first light source section, to the second rod integrator. On an incident surface of the second rod integrator, a first region on which the light emitted from the first light source section is incident and a second region on which the light emitted from the second light source section is incident do not overlap each other, and the surface area of the first region and the surface area of the second region are different from each other. | 09-29-2011 |
20110261271 | LIGHTING DEVICE AND PROJECTION TYPE DISPLAY APPARATUS INCLUDING THE SAME - A lighting device configured to efficiently combine light beams emitted from a plurality of light sources, and to emit high output light while minimizing light loss, and a projection type display apparatus including the lighting device. The lighting device includes: a first light source and a second light source; two converging lenses for converging light beams emitted from the first and second light sources; two right-angle prisms for bending the light beams emitted from the first and second light sources; and a composite rod integrator for combining the light beams emitted from the first and second light sources. Between an exit surface of each right-angle prism and an incident surface of the composite rod integrator, a predetermined air gap is provided. The focal point of each converging lens is located on an incident surface of each right-angle prism. | 10-27-2011 |
20110292349 | LIGHT SOURCE DEVICE, LIGHTING DEVICE AND IMAGE DISPLAY DEVICE USING SUCH LIGHT DEVICE - For a lighting device for obtaining output light in the wavelengths of light of three colors of red, green, and blue, a lighting device using a semiconductor laser for the blue light has been proposed. When using this lighting device in an image display device, etc., there are problems in blue color rendering properties and reduced image quality due to speckle noise. A light source device designed to emit red light, green light, a first blue light, and a second blue light, the light source device including: a red solid-state light source; a green solid-state light source; a semiconductor laser for emitting the first blue light; and a blue light generation part for emitting the second blue light, wherein the main component of the second blue light is light in a wavelength range of wavelengths longer than that of the first blue light. | 12-01-2011 |
20130286359 | LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY APPARATUS EMPLOYING SAME LIGHT SOURCE DEVICE - A light source device and a projection type display apparatus include: an excitation light source; and a fluorescence light-emitting plate including a fluorescence light-emitting section arranged opposite to the excitation light source and a reflection section containing titanium oxide located on the opposite side of the excitation light source as viewed from the side of the fluorescence light-emitting section and arranged such as to be joined to the fluorescence light-emitting section. Then, excitation light from the excitation light source is projected onto the fluorescence light-emitting section so that fluorescence emission light is emitted from the fluorescence light-emitting section and reflected fluorescence light is emitted from the reflection section. | 10-31-2013 |