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71.发明公开
公开(公告)号：EP2127399A1
公开(公告)日：2009-12-02
申请号：EP07712100.2
申请日：2007-01-25
发明人： BREUER, Christian , WOLTER, Kai
IPC分类号： H04N9/31
CPC分类号： H05B41/00 , H04N9/3155
摘要： The present invention relates to a circuit arrangement (10) for operating a high-pressure discharge lamp having a commutation device (K) which has an input (E1, E2) for coupling to a DC voltage source and an output (A1, A2) for coupling to the high-pressure discharge lamp (EL), the commutation device (K) being designed to couple the voltage (UZW) applied to the input (E1, E2) to its output (A1, A2); a control device (12) which is designed to reverse the polarity with which the voltage (Uzw) applied to the input (E1, E2) of the commutation device (K) is coupled to the output (A1, A2) of the commutation device (K); and a sync apparatus (14) which is designed to provide a synchronization signal (Sy) at its output (A1, A2); wherein it also comprises: a timer apparatus (16) which is designed to produce, at its output (A1, A2), a commutation trigger signal (KA) which is in sync with a prescribable operating frequency for the high-pressure discharge lamp (EL); a pattern apparatus (18) which stores a selection of possible commutation times, wherein the timing of the selection of the possible commutation times is in sync with the synchronization signal (Sy), the pattern apparatus (18) having an input (E1, E2).
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公开(公告)号：EP2127367A1
公开(公告)日：2009-12-02
申请号：EP08723009.0
申请日：2008-02-19
发明人： CHOI, Byeong-Dae , KIM, Dae-Hwan
IPC分类号： H04N5/74
CPC分类号： G03B21/14 , G03B21/2013 , G03B21/206 , G06F1/1626 , G06F1/1639 , G06F1/1673 , H04N5/7408 , H04N9/31 , H04N9/3102 , H04N9/3111 , H04N9/3147 , H04N9/3155 , H04N9/3167 , H04N9/3173 , H04N9/3182 , H04N9/3194
摘要： A multimedia player for providing two projection images is provided. The multimedia player for displaying two projection images includes: a first projection unit displaying a first projection image; and a second projection unit displaying a second projection image. The first projection unit includes: a first driving unit controlling an operation of the first projection unit and providing an image signal on the first projection image to be displayed; a first light source unit; a first light modulation device outputting the first projection image by modulating light provided from the light source in response to the image signal of the first projection image; and a first projection lens unit magnifying and projecting an image that is output from the first light modulation device. The structure of the first projection unit is the same as that of the second projection unit. The multimedia player further includes a screen sensing unit sensing a color of an area in which an image is to be displayed. The first and second driving units detect a complementary color of a color sensed by the screen sensing unit and increase brightness of a light source corresponding to the complementary color among light sources of the first and second light source units or image data corresponding to the complementary color among image data to be displayed, thereby improving visibility.
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73.发明公开A METHOD TO DISPLAY IMAGES USING METAMERISM TO PREVENT ILLEGAL COPY 审中-公开程序于显示使用metamerie图像，以防止非法复制
公开(公告)号：EP2119244A1
公开(公告)日：2009-11-18
申请号：EP08717628.5
申请日：2008-03-11
申请人： Thomson Licensing
CPC分类号： H04N9/3155 , G09G3/2003 , G09G2300/0452 , G09G2340/14 , H04N2005/91392
摘要： A method to display images using four or more different primaries having different spectral distributions wherein, in the LMS color space, at least two of these primaries have the same L coordinates and the same M coordinates; thank to the invention, different metamers, when being legally displayed, will be not only perceptually indistinguishable to a viewer with normal color vision but also indistinguishable by most of the viewers with non-normal color vision.
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公开(公告)号：EP2012180A3
公开(公告)日：2009-01-14
申请号：EP08015785.2
申请日：2003-10-17
申请人： Olympus Corporation
发明人： Shinichi Imade
CPC分类号： G03B21/20 , F21S10/06 , F21Y2115/10 , G02B19/0019 , G02B19/0028 , G02B19/0066 , G02B26/02 , G02B27/0933 , G02B27/0994 , G02B27/1033 , G02B27/1053 , G02B27/108 , G02B27/14 , G02B27/143 , G02B27/144 , G03B21/2013 , G03B21/2033 , G03B21/208 , G03B27/54 , H04N9/3111 , H04N9/3155 , H04N9/3164
摘要： An illumination apparatus illuminating an objective illumination region, comprising:
a plurality of illuminants (14) having light-emitting surfaces radiating diffused light, and arranged on a circumference of a circle;
a plurality of first optical members (14f,45) each including a first incident end surface on which the diffused light radiated from a light-emitting surface is made incident, a first reflecting surface configured to reflect and guide the diffused light incident from the first incident end surface, and a first outgoing end surface configured to output the guided diffused light, and each being disposed to be fixed to a respective one of the plurality of illuminants; and
a second optical member (15,48) configured to rotate around an axis running through the center of the circumference as a rotation center, and guide the diffused light output from the plurality of first outgoing end surfaces, to illuminate the objective illumination region.-
公开(公告)号：EP1577872A4
公开(公告)日：2008-11-26
申请号：EP03782910
申请日：2003-12-25
申请人： SANYO ELECTRIC CO
发明人： ARAI KAZUHIRO , FUNAZOU YASUO
IPC分类号： G02B27/09 , G02B27/14 , G09G3/34 , H04N9/31 , G02F1/13 , G02F1/133 , G03B21/00 , G09G3/20 , G09G3/36
CPC分类号： G09G3/3413 , G02B19/0028 , G02B19/0066 , G02B27/0961 , G02B27/1013 , G02B27/102 , G02B27/1046 , G02B27/123 , G02B27/149 , G09G2320/0646 , G09G2330/021 , G09G2360/16 , H04N9/315 , H04N9/3155
摘要： An optimal processing section (21) is supplied with a video signal (RGB signals) and analyzes one-frame video in the video signal. For example, if red color intensity is 0 in all the pixels in one frame video, the optimal processing section (21) gives a control signal to make the gain of an illumination device (1R) 0 (lowest light amount) to a light source gain adjustment section (22). The light source gain adjustment section (22) receives the control signal and controls the power supply to the illumination device (1R). Moreover, the optimal processing section (21) gives an instruction, for example, to make all the pixels of the liquid crystal display panel (3R) to light transmittance amount 0 to an LCD signal processing section (23).
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76.发明公开
公开(公告)号：EP1654722A4
公开(公告)日：2008-10-08
申请号：EP04734593
申请日：2004-05-24
发明人： ROTH SHMUEL
IPC分类号： G09G3/36 , G02F20060101 , G02F1/1335 , G09G3/34
CPC分类号： G02F1/133514 , G02F2201/52 , G09G3/3413 , G09G3/3607 , G09G2300/0452 , G09G2320/0242 , G09G2340/06 , H04N9/3155
摘要： Some embodiments of the invention provide a device, system and method for displaying a color image. According to some exemplary embodiments of the invention a device for displaying a color image may include an illumination source including a plurality of light-producing elements (212) able to produce light of each of m different wavelength spectra, wherein m is equal to or greater than three. The device may also include an array of attenuating elements (214) able to spatially selectively attenuate the light produced by the illumination source according to an attenuation pattern corresponding to a gray-level representation of the color image, and an array of color sub-pixel filter elements (216) able to receive selectively attenuated light from the array of attenuating elements, each sub-pixel filter element able to transmit light of one of n different primary colors, wherein n is equal to or greater than four.
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公开(公告)号：EP1932369A2
公开(公告)日：2008-06-18
申请号：EP06813990.6
申请日：2006-08-31
CPC分类号： H04N9/73 , H04N9/3155
摘要： Providing color management includes receiving measurements of the intensity of colors. A light source generates light beams to yield the colors, where the light beams are generated in accordance to image data to create an image. A target color value is established. A duty cycle sequence operable to control the light source is selected (120) in accordance with the measurements and the target color value. Current levels for currents provided to the light source are selected (128) in accordance with the duty cycle sequence and the target color value.
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公开(公告)号：EP1922714A2
公开(公告)日：2008-05-21
申请号：EP06789427.9
申请日：2006-08-07
CPC分类号： G09G3/3413 , G09G3/007 , G09G3/346 , G09G2310/0235 , H04N9/3114 , H04N9/3155 , H04N9/3188
摘要： System and method for the implementation of a transition zone associated with an actuator of an optical device in a display system. A preferred embodiment comprises determining a sub-frame transition time (610), initiating a sub-frame transition to coincide with a start of a spoke state of a color filter (620) if the sub-frame transition time is less than or substantially equal to a duration of the spoke state (615), and spanning the sub-frame transition over the spoke state and a color state of the color filter (635 and 640) if the sub- frame transition time is greater than the duration (630). The overlapping of at least a portion of the sub-frame transition with the duration of the spoke state can reduce the impact of the sub-frame transition on the image quality of the display system, since the display system is not displaying images during the spoke state.
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公开(公告)号：EP1915873A1
公开(公告)日：2008-04-30
申请号：EP06763070.7
申请日：2006-04-28
申请人： TTE Technology, Inc.
IPC分类号： H04N9/31
CPC分类号： H04N9/3194 , H04N9/3114 , H04N9/3155
摘要： The disclosed embodiments relate to a system and method for compensating for spoke light in a video unit (10). More specifically, there is provided a method comprising measuring a first light level during a non-spoke time of a color wheel (14) to generate a non-spoke light level; and setting a spoke light compensation value based on the measured non-spoke light level. There is also provided a video unit (10) comprising a light source (12) configured to generate a first light level during a non-spoke time of a color wheel (14), a photodiode assembly (26) configured to measure the first light level to generate a non-spoke light level, and a processor (20) configured to set a spoke light compensation value based on the non-spoke light level.
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公开(公告)号：EP1811333A1
公开(公告)日：2007-07-25
申请号：EP05721284.7
申请日：2005-03-23
CPC分类号： G03B21/26 , G02B26/008 , G02B26/0833 , G03B21/008 , G03B33/08 , H04N9/3114 , H04N9/3155
摘要： A single plate type projector has a DMD 3 and a rotary color filter 2. The DMD 3 converts light emitted from a lamp 1 into modulated light. The rotary color filter 2 separates the emission light from the lamp 1 into plural colors by rotating a rotary region which is interposed between the lamp 1 and the DMD 3 and on which light transmittance filter segments allowing each of different colors to pass are arranged. In such a projector, there has been a trade-off relation between the brightness of the entire image and color reproducibility because the amount of light of each color and the brightness of the entire image are restricted by the rotary filter. The amount of light emitting from the lamp 1 is controlled so that the amount of light increases during a period when the light emitted from the lamp 1 passes through at least one of the plurality of filter segments in the rotary color filter 2. Consequently, the brightness of the entire image and the color reproducibility can be arbitrarily regulated by regulating the quantity of light being emitted from the lamp 1.
摘要翻译： 单板式投影仪具有DMD 3和旋转滤色器2.DMD 3将从灯1发出的光转换为调制光。 旋转滤色器2通过旋转插入在灯1和DMD 3之间的旋转区域并且允许通过不同颜色的透光滤光片段布置来将灯1的发射光分离成多种颜色。 在这样的投影仪中，由于旋转滤光器限制了各种颜色的光量和整个图像的亮度，因此整个图像的亮度和色彩再现性之间存在权衡关系。 控制从灯1发光的光量，使得在从灯1发出的光通过旋转滤色镜2中的多个滤光片段中的至少一个的期间，光的量增加。因此， 可以通过调节从灯1发射的光量来任意调节整个图像的亮度和颜色再现性。
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