Patent application number | Description | Published |
20100103503 | OPTICAL OUTPUT CONTROLLER AND ITS CONTROL METHOD - An optical output controller includes a wavelength conversion device operable to change the wavelength of pumped laser light; a heating/cooling unit operable to control the temperature of the wavelength conversion device; a temperature detector which detects the temperature of the wavelength conversion device; a temperature controller operable to control the heating/cooling unit such that the detected temperature corresponds to a target temperature; an optical output detector operable to detect the optical output from the wavelength conversion device; an optical-output maximization controller operable to determine a temperature at which the optical output is maximized according to the optical output detected by the optical output detector and from the detected temperature detected by the temperature detector and, further, outputs the temperature difference between the determined temperature and the detected temperature; and an adder which adds the temperature difference outputted from the optical-output maximization controller to the target temperature; wherein the temperature difference is added to the target temperature to correct the target temperature for maximizing the optical output. | 04-29-2010 |
20100181939 | LIGHT OUTPUT CONTROL DEVICE FOR LASER LIGHT SOURCE - A light output control device for laser light sources for respective RGB colors includes, for each of RGB, three sets, each including: a semiconductor laser for one of the colors; light output detection unit for detecting a light output from the semiconductor laser; light output adjustment unit for updating a light output target value; light output control unit for controlling the semiconductor laser based on the updated light output target value; and division unit for dividing the light output by an output from the light output adjustment unit to obtain a ratio of the rising of the light output, and includes rising determination unit for determining, based on results obtained by the respective division unit, a semiconductor laser with a slowest rising and outputs light output adjustment values for the respective colors. The light output adjustment unit update their respective light output target values based on the light output adjustment values. The light output control unit causes their respective corresponding semiconductor lasers to operate in accordance with a semiconductor laser whose rising time is slowest, based on the updated light output target values to keep RGB color balance upon start-up. | 07-22-2010 |
20100259603 | Video display apparatus, video viewing glasses, and system comprising the display apparatus and the glasses - Provided is a video system equipped with a video display apparatus, and video viewing glasses for use in viewing a video displayed on the video display apparatus. The video display apparatus includes: a display section for displaying a video; a synchronizing signal generator for generating an external synchronizing signal for notifying an end of displaying a frame constituting the video in synchronism with the video; and a synchronizing signal transmitter for transmitting the external synchronizing signal to the video viewing glasses. The video viewing glasses include: a synchronizing signal receiver for receiving the external synchronizing signal; an optical filter section having a pair of optical filters for adjusting amounts of light to be transmitted to a left eye and a right eye of a viewer, respectively; and an optical filter controller for controlling the optical filter section based on the external synchronizing signal. | 10-14-2010 |
20100289871 | Method of transmitting video data for wirelessly transmitting three-dimensional video data - A source device transmits an output format notify message for video data to a sink device before transmitting the video data to the sink device, the output format notify message including a 3D field storing data for identifying whether the video data to be transmitted is two-dimensional video data or three-dimensional video data transmitted using frame packing. In response to this, the sink device identifies a type and a format structure of the video data, and decodes the received video data based on the identified type and format structure of the video data. | 11-18-2010 |
20100289872 | Method of transmitting video data for wirelessly transmitting three-dimensional video data - A sink device ( | 11-18-2010 |
20100328194 | Display device, eyeglass device and video system with them - The present invention discloses video system including a display device for displaying an video image and an eyeglass device for assisting a viewer in viewing the video image, wherein the display device includes: a display portion for displaying the video image; a first generation portion for generating a synchronizing signal for the video image; and a transmission portion for transmitting the synchronizing signal, the synchronizing signal representing control information with a duration of a continuous active time during which the control information is transmitted, and the eyeglass device includes: a reception portion for receiving the synchronizing signal; an optical filter portion for adjusting an incident light to a left eye and a right eye; a second generation portion for generating an internal signal based on the control information; and a control portion for controlling the optical filter portion based on the internal signal. | 12-30-2010 |
20100328533 | VIDEO SYSTEM AND DISPLAY DEVICE AND EYEGLASS DEVICE USED IN SAME - The present invention discloses a video system provided with a display device for displaying a video image including a first video image and a second video image and an eyeglass device for assisting a viewer in viewing the video image, wherein the display device includes: a display for displaying the first and second video images; a first generator for generating a synchronizing signal in synchronization with the first video image; and a transmitter for transmitting the synchronizing signal to the eyeglass device, and the eyeglass device includes: a receiver for receiving the synchronizing signal; a second generator for generating an internal signal in synchronization with the second video image, based on the synchronizing signal; an optical filter portion for adjusting amounts of incident light to left and right eyes, respectively; and a controller for controlling the optical filter portion based on the internal signal. | 12-30-2010 |
20110032342 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display method can make the total time of light emission longer per display line. This method is an image display method used in an image display apparatus that repeats displaying images for a left eye and for a right eye alternately that form a stereoscopic image, on a screen including a plurality of display lines, and includes: a shield switching starting step (t | 02-10-2011 |
20110141236 | THREE-DIMENSIONAL VIDEO IMAGE TRANSMISSION SYSTEM, VIDEO IMAGE DISPLAY DEVICE AND VIDEO IMAGE OUTPUT DEVICE - In a recording and reproducing device, compressed 3D video image data recorded on an optical disc is reproduced by a recording and reproducing unit and decompressed to baseband 3D video image data by a codec. A format converting unit converts the recording format of the optical disc into the transmission format of HDMI in accordance with the display capability of the display device preliminarily acquired and outputs the resulting data. The format converting unit of the display device converts the transmission format of 3D video image data received through an HDMI cable into a display format. A display control unit displays 3D video image data converted into the display format on the display panel. | 06-16-2011 |
20110157310 | THREE-DIMENSIONAL VIDEO TRANSMISSION SYSTEM, VIDEO DISPLAY DEVICE AND VIDEO OUTPUT DEVICE - In a recording and reproducing device, compressed 3D video image data recorded on an optical disc is reproduced by a recording and reproducing unit and decompressed to baseband 3D video image data by a codec. A format converting unit converts the recording format of the optical disc into the transmission format of HDMI in accordance with the display capability of the display device preliminarily acquired and outputs the resulting data. The format converting unit of the display device converts the transmission format of 3D video image data received through an HDMI cable into a display format. A display control unit displays 3D video image data converted into the display format on the display panel. | 06-30-2011 |
20120007966 | EYEGLASS DEVICE AND VIDEO SYSTEM - An eyeglass device for assisting in viewing a video to be stereoscopically perceived includes an optical filter portion with left and right filters for adjusting light amount to be transmitted to left and right eyes, respectively and a controller for controlling adjustment operation of the light amount by the optical filter portion, wherein the controller switches a control mode of the optical filter portion between a first control mode of controlling the optical filter portion so that the adjustment operation becomes synchronized with display of a frame image of the video and a second control mode of controlling the optical filter so that that the adjustment operation becomes slower than a frame rate of the video to make a viewer perceive the adjustment operation which is asynchronous with the display of the frame image. | 01-12-2012 |
20120033059 | VIDEO DISPLAY APPARATUS, VIDEO VIEWING GLASSES, AND SYSTEM COMPRISING THE DISPLAY APPARATUS AND THE GLASSES - Provided is a video system equipped with a video display apparatus and video viewing glasses used for viewing a video displayed on the video display apparatus. The video display apparatus includes: a display section for displaying the video; a synchronizing signal generator for generating an external synchronizing signal in synchronism with the video to notify a display end of a frame constituting the video in synchronism with the video; and a synchronizing signal transmitter for transmitting the external synchronizing signal to the video viewing glasses. The video viewing glasses include: a synchronizing signal receiver for receiving the external synchronizing signal; an optical filter section having a pair of optical filters for adjusting light amounts to be transmitted to left and right eyes of a viewer, respectively; and an optical filter controller for controlling the optical filter section in response to the external synchronizing signal. | 02-09-2012 |
20120038829 | DISPLAY APPARATUS - A display apparatus includes: input port for receiving input of video signal representing display color in red, green, and blue hues; display portion including pixel with red, green, blue and yellow sub-pixels for performing plasma emission in red, green, blue and yellow hues, respectively; and converter for converting video signal and outputting conversion signal for causing sub-pixels to emit light, respectively, such that display color corresponding to display color represented by video signal is displayed on display portion, wherein conversion signal output by converter includes red and green conversion signals for causing red and green sub-pixels to perform plasma emission at lower luminosity value than luminosity value used in the video signal, respectively, and yellow conversion signal for causing yellow sub-pixel to perform plasma emission, and yellow sub-pixel performs plasma emission with shorter afterglow time than red and green sub-pixels. | 02-16-2012 |
20120044325 | SOURCE DEVICE, SINK DEVICE, COMMUNICATION SYSTEM AND METHOD FOR WIRELESSLY TRANSMITTING THREE-DIMENSIONAL VIDEO DATA USING PACKETS - A source device combines right-eye video frame data with left-eye video frame data into combined video frame data every video frame. Then, the source device generates a plurality of packets by dividing the combined video frame data into packets so as to insert information on a horizontal position for a horizontal display time interval and information on a vertical position for a vertical display time interval of a first pixel of the combined video frame data stored in the packets, into a header of each packet for transmitting the combined video frame data, as information for identifying right-eye video frame data and left-eye video frame data. | 02-23-2012 |
20120154371 | DISPLAY DEVICE, EYEGLASS DEVICE AND IMAGE SYSTEM - A display device including: a display portion for displaying a video; a generator for generating a synchronization signal including a command signal synchronized with display of frame images of the video; and a transmitter for transmitting the synchronization signal, wherein the command signal including a predetermined member of pulse signals has a leading pulse signal for notifying a start of the command signal, a terminal pulse signal for notifying an end of the command signal, and a control pulse signal for notifying a content of synchronization control synchronized with the display of the frame images. | 06-21-2012 |
20120327108 | IMAGE DISPLAY APPARATUS, IMAGE DISPLAY CIRCUIT, AND IMAGE DISPLAY METHOD - An image display apparatus and an image display method are provided by which a total length of light-emission duration for each display line can be increased. An image display apparatus for displaying an image includes: display lines which form a display screen and each of which displays tone information of display data; a first gate driver which sequentially write the display data into first storage capacitors provided in respective pixel circuits; a third gate driver which writes the display data written in the first storage capacitors, into corresponding second storage capacitors provided in the respective pixel circuits; and organic EL elements which emit light based on the display data written in the corresponding second storage capacitors, and within a period during which the display lines emit light by the organic EL elements, the first gate driver writes display data of a next image into the first storage capacitors. | 12-27-2012 |