Patent application number | Description | Published |
20130077055 | PHOSPHOR DEVICE AND ILLUMINATION SYSTEM AND PROJECTION APPARATUS WITH THE SAME - A phosphor device of an illumination system is provided. The illumination system emits a first waveband light and has an optical path. The phosphor device includes a first section and a first phosphor agent. The first phosphor agent is coated on the first section. After the first waveband light is received by the first phosphor agent, the first waveband light is converted into a third waveband light, and the third waveband light is directed to the optical path, so that the third waveband light is separated into at least two color lights along the optical path. | 03-28-2013 |
20140176594 | ADJUSTING METHOD AND DISPLAY APPARATUS USING SAME - An adjusting method includes steps of providing a display apparatus, transforming a first value in a first color space of a color displayed by the display apparatus into a second value in a second color space, adjusting the second value to a third value in the second color space, and transforming the third value into a fourth value in the first color space. By adjusting the second value to the third value in the second color space intuitively, the present invention achieves the advantages of providing an intuitive operation, simplifying the adjustment, saving time and enhancing the user experiences. | 06-26-2014 |
20140198303 | OPTICAL SYSTEM - An optical system for a projector is provided, which includes a solid-state light source module, an optical module, a phosphor element and a light relay module which are disposed sequentially. The light source module can generate a first beam, while the optical module can relay and uniformize the first beam so that the first beam is uniformly incident on the phosphor element. The optical module also makes the light spot of the first beam incident on the phosphor element into a predetermined shape and area, so that the phosphor element will emit a second beam by an emitting area. The light relay module can receive a part of the second beam, and the part of the second beam has a solid angle. An Etendue defined by the solid angle and the emitting area may be identical to the Etendue of a light modulator of the projector. | 07-17-2014 |
20140293244 | LIGHTING SYSTEM AND DIGITAL CINEMA PROJECTION APPARATUS EMPLOYING SAME - A lighting system for a digital cinema projection apparatus is provided. The lighting system includes an ultra high pressure mercury lamp, a relay lens group, a digital micro display module, an optical filter module, and a projection lens. The ultra high pressure mercury lamp is used for emitting a light beam. The relay lens group is used for receiving the light beam and adjusting an optical path of the light beam. The optical filter module is arranged along the optical path of the lighting system for optically modulating an optical spectrum and/or a white balance of the light beam from the ultra high pressure mercury lamp. The projection lens is used for projecting the modulated light beam as an image beam. | 10-02-2014 |
20140375961 | PHOSPHOR DEVICE AND ILLUMINATION SYSTEM AND PROJECTION APPARATUS WITH THE SAME - A phosphor device of an illumination system is provided. The illumination system emits a first waveband light and has an optical path. The phosphor device includes a first section and a first phosphor agent. The first phosphor agent is coated on the first section. After the first waveband light is received by the first phosphor agent, the first waveband light is converted into a third waveband light, and the third waveband light is directed to the optical path, so that the third waveband light is separated into at least two color lights along the optical path. | 12-25-2014 |
20150015850 | LASER LIGHT SOURCE MODULE FOR PROJECTION SYSTEM - A projection system includes a laser light source module, at least one display module, and a projection lens. The laser light source module includes at least one light source, at least one wavelength conversion element, at least one light detecting unit, and a controller. The laser light source emits a first light beam with a first wavelength. The wavelength conversion element is used for converting the first light beam into a light beam with a wavelength different from the first wavelength. After an optical energy of the light beam outputted from the wavelength conversion element and higher than a systematic etendue is detected by an optical sensor of the laser light source module, at least one of a brightness and a light color of the laser light source module is adjusted or compensated by the controller according to the detecting result. | 01-15-2015 |
20150036332 | DISPLAY ILLUMINATING MODULE - A display illuminating module includes a light source, a rotating wheel, an actuator, a wavelength conversion wheel, and an optical module. The light source is configured for providing a first light beam with a first wavelength. The rotational wheel includes a transmission segment and a reflective segment. The actuator is configured for disposing the transmission segment and the reflective segment on the propagation path of the first light beam in sequence. The wavelength conversion wheel includes a first wavelength conversion segment configured for converting the first light beam into a second light beam with a second wavelength. The optical module is configured for guiding the first light beam transmitted from the transmission segment to the wavelength conversion wheel, guiding the first light beam reflected from the reflective segment to a desired position, and guiding the second light beam propagated from the first wavelength conversion segment to the desired position. | 02-05-2015 |
20150070412 | PROJECTION DISPLAY DEVICE AND DRIVING METHOD - A projection display device is disclosed herein. The projection display device includes an image processing module and a light source driver. The image processing module is configured for receiving an image data and generating a display signal which includes an image period and a black state period. The light source driver is configured for generating a light driving signal to drive a projection light source, wherein the light driving signal includes a first segment and a second segment in the black state period, and the average amplitude of the light driving signal in the second segment is lower than the average amplitude of the light driving signal in the image period. A driving method is disclosed herein as well. | 03-12-2015 |