With Alternating Shutters Patents (Class 348/56)
  • Patent number: 8934001
    Abstract: 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.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: January 13, 2015
    Assignee: Panasonic Corporation
    Inventors: Shuji Inoue, Hiroshi Mitani, Kazuhiro Mihara, Masanobu Inoe, Katsuo Saigo, Seiji Nakazawa
  • Patent number: 8934002
    Abstract: Disclosed is an LCD device which facilitates to improve picture quality of two-dimensional (2D) and three-dimensional (3D) images by automatically converting an image driving mode (2D/3D) in accordance with a viewing distance, and a method for driving the same, wherein the device comprises a distance measuring unit which measures a viewing distance between the LCD device and a viewer; an image mode controller which sets a 2D image mode or 3D image mode in accordance with a comparison result between the viewing distance and a preset reference distance; a timing controller which aligns externally-provided image signals in accordance with the 2D image mode or 3D image mode set by the image mode controller, and converts the aligned image signals into image data by frame unit; and a liquid crystal panel which displays an image based on the 2D image mode or 3D image mode.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: January 13, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Jung Hyun Ham, Heume Il Baek
  • Patent number: 8933999
    Abstract: Margins are prevented from being produced when the amount of parallax of a stereoscopic image has been enlarged. A parallax adjustment command is applied if a stereoscopic image is displayed in an image compositing area that has been defined on a page constituting an electronic album. The amount of parallax is enlarged in response to application of a command to enlarge the amount of parallax. If enlarging the amount of parallax will cause margins to be produced when the stereoscopic image is displayed in the image compositing area on the page, then this page is replaced by a page on which an image compositing area that will not produce margins has been formed.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: January 13, 2015
    Assignee: Fujifilm Corporation
    Inventor: Kei Yamaji
  • Patent number: 8928744
    Abstract: An application for transmission of a three-dimensional eyewear synchronization signal to synchronize the operation of shutters of three-dimensional eyewear uses an industry standard wireless transmission technique. To compensate for inherent latencies of such transmission techniques, the latencies are measured and monitored to determine expected latencies and the shutter synchronization signal is skewed by the latency. In some embodiments, the synchronization signal is further adjusted by a user skew control.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: January 6, 2015
    Assignee: Vizio, Inc.
    Inventor: Marcus P. Apitz
  • Patent number: 8928743
    Abstract: A radio signal transmitter receives, from an image display device (i) synchronizing signals for switching between displaying a right-eye image and displaying a left-eye image on the image display device and (ii) liquid crystal shutter control data indicating which image is displayed, and transmits the synchronizing signals and the liquid crystal shutter control data to stereoscopic image glasses. The radio signal transmitter includes: a period detecting section that detects a period of each of the synchronizing signals; and a period data storage section in which the period is stored as period data. The radio signal transmitter is configured such that the period data in the period data storage section is updated every time the period of each of the synchronizing signals is detected. This makes it possible to provide a radio signal transmitter, stereoscopic image glasses, and an image display system that achieve a reduction in power consumption.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: January 6, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Akihito Ishida
  • Patent number: 8928741
    Abstract: An apparatus for operating a pair of 3-D glasses to view a 3-D video signal on a TV. The apparatus includes a controller having an input for receiving a 3-D video data stream from a video source, an output for delivering a portion of the 3-D video data stream as a video signal to be displayed on the TV, synchronization programming for reading the 3-D video data stream and obtaining 3-D commands relating to said 3-D video data and a transmitter for wireless transmitting the 3-D commands. The system further includes 3-D glasses having a receiver configured to receive the 3-D command signal, left and right shutters configured to selectively close and open according to the 3-D commands, and a control input configured to calibrate the glasses to the displayed video signal of the TV.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: January 6, 2015
    Assignee: Sony Corporation
    Inventor: Brad Thorson
  • Patent number: 8928742
    Abstract: A display apparatus, display method, image processing apparatus, and image processing method which are capable of allowing a stereoscopic image to be recognized exactly by a left eye and a right eye. The display apparatus includes: an image signal receiving unit which receives an image signal; an image signal processing unit which generates a scanning signal for scanning a left eye image signal and a right eye image signal of the image signal alternately and for scanning a part of the left eye image signal or a part of the right eye image signal between a section for scanning the left eye image signal and a section for scanning the right eye image signal; and an image output unit which displays the image signal according to the scanning signal.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: January 6, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoung-oh Choi, Chang-won Lee
  • Patent number: 8928740
    Abstract: An image display device includes a display panel that periodically displays different images, a shutter control portion that generates timing signals for driving shutters for a right eye and a left eye, in synchronization with the periodical display of the display panel, with respect to glasses for viewing images, the glasses being provided with the shutters for the right and left eye, a backlight that includes a light guide plate of a size corresponding to a display area of the display panel and light sources that are provided on two opposing side faces of the light guide plate and that irradiates the display panel from a rear side of the display panel, and a backlight control portion that causes the respective light sources that are provided on the two opposing side faces to blink at different timings during an opening period of the shutters.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: January 6, 2015
    Assignee: Sony Corporation
    Inventors: Atsushi Ito, Kyoichiro Oda
  • Publication number: 20150002645
    Abstract: A method of operating an autostereoscopic display, the autostereoscopic display device comprising a switchable aperture array and a screen, the method comprising: displaying a portion of an image on the screen for a first period of time; and using the switchable aperture array to restrict to a second period of time the time for which a portion of the image is wholly or partly visible; wherein the second period of time is less than the first period of time in order to increase the bandwidth of the autostereoscopic display.
    Type: Application
    Filed: May 30, 2014
    Publication date: January 1, 2015
    Inventors: Christian MOLLER, Doug PATTERSON, Thomas ERICSON
  • Patent number: 8922631
    Abstract: A system includes a computing device that includes a memory configured to store instructions. The computing device also includes a processor configured to execute the instructions to perform a method that includes presenting a representation of three dimensional content on a single display. The three dimensional content representation is presented as a shared viewing experience for at least two viewers. The method also includes presenting a representation of two dimensional content on the single display to a first viewer of the at least two viewers. The two dimensional representation is presented as a private viewing experience for the first viewer and a second viewer of the at least two viewers is visually isolated from the presented two dimensional content representation.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: December 30, 2014
    Assignee: Lucasfilm Entertainment Company Ltd.
    Inventors: Eric R. Johnston, David Bullock
  • Patent number: 8917353
    Abstract: An image apparatus with reduced three-dimensional (3D) crosstalk includes a shutter control system including an infrared (IR) signal transmitter configured to receive from a display device for displaying two or more light-off sections and two or more light-on sections arranged alternately in one image frame, information corresponding to the light-off sections and the light-on sections, and to output an IR signal corresponding to the information, the IR signal corresponding to a start of a first light-off section of the light-off sections in the image frame, and a shutter controller configured to receive the IR signal, and to control opening or closing of a left shutter and a right shutter in accordance with the IR signal.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: December 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hye-Jin Shin
  • Patent number: 8908009
    Abstract: Provided is a method and apparatus for displaying a 3-dimensional (3D) image. The method includes alternately displaying left and right eye images on a display having a plurality of image lines that are arranged sequentially. Since light emission of all of segments is stopped when the left and right eye images are partially simultaneously displayed, both the left and right eye images can be prevented from being seen at the same time.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: December 9, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Dae-sik Kim, Kyung-hoon Cha, Sang-moo Park
  • Patent number: 8908019
    Abstract: There are provided a transmitter, a display, a shutter eyeglass device, a transmission/reception system, a display system and a transmission/reception method allowed to achieve highly reliable communication between a transmission side and a reception side. The transmitter includes: a transmission section holding plural kinds of commands each represented by a plurality of bits and repeatedly transmitting a command set, the command set being configured of one or more kinds of commands which are selected from the plural kinds of commands and combined in predetermined order, in which a bit pattern representing a whole of the command set is the same as a bit pattern held in a receiver.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: December 9, 2014
    Assignee: Sony Corporation
    Inventor: Ichiro Sato
  • Patent number: 8908018
    Abstract: A method for displaying a three-dimensional (3D) image includes: alternately displaying a left eye image and a right eye image; calculating a luminance value of a displayed image to detect a peak value of a luminance value; comparing the detected peak value and a stored peak value, and when the detected peak value corresponds to a right eye peak value, determining that a current image is a right eye image, and when the detected peak value corresponds to a left eye peak value, determining that the current image is a left eye image; outputting a synchronization signal according to the determination result; and making the left eye image and the right eye image reach a user's left eye or right eye according to the synchronization signal.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: December 9, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Su Yoo, Yong-Tae Yoo
  • Patent number: 8902288
    Abstract: A system that runs in web browsers of mobile devices that allows mobile users to take photos of building exteriors and interiors or other real world objects, upload photos, share photos with others, and use the photo images to model the 3D models with the system's image-based modeling interface.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: December 2, 2014
    Assignee: Google Inc.
    Inventors: Zhe Fan, Mark Limber, Brian Gammon Brown, Tilman Reinhardt, Matthew Robert Simpson
  • Patent number: 8902264
    Abstract: A display apparatus includes a display panel including n×m array of pixels and which sequentially drives the pixels from pixels in a first row to pixels in an n-th row, a panel driving circuit which sequentially applies first, second, third or fourth image data to the display panel, a backlight unit including a first light source disposed adjacent to the pixels in the first row and a second light source disposed adjacent to the pixels in the n-th row, and a backlight control circuit which divides each of first and second time periods into first, second, third and fourth blinking time periods, and applies a control signal to the backlight unit, where the first time period corresponds to two frames during which the first and second image data are applied, and the second time period corresponds to two frames during which the third and fourth image data are applied.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: December 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Sik Oh, Jin-Taek Hong
  • Publication number: 20140347455
    Abstract: A method for decoding a compressed image stream, the image stream having a plurality of frames, each frame consisting of a merged image including pixels from a left image and pixels from a right image. The method involves the steps of receiving each merged image; changing a clock domain from the original input signal to an internal domain; for each merged image, placing at least two adjacent pixels into an input buffer and interpolating an intermediate pixel, for forming a reconstructed left frame and a reconstructed right frame according to provenance of the adjacent pixels; and reconstructing a stereoscopic image stream from the left and right image frames. The invention also teaches a system for decoding a compressed image stream.
    Type: Application
    Filed: August 8, 2014
    Publication date: November 27, 2014
    Inventors: Nicholas ROUTHIER, Claude THIBEAULT, Jean BELZILE, Daniel MALOUIN, Pierre-Paul CARPENTIER, Martin DALLAIRE
  • Patent number: 8896673
    Abstract: A method for displaying 3D image is provided in the present invention.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: November 25, 2014
    Assignees: Hisense Electric Co., Ltd., Hisense Hiview Tech Co., Ltd.
    Inventors: Weidong Liu, Weisong Gao, Chunpu Li, Junhui Shang, Yuzhen Dong, Yongping Miao
  • Patent number: 8896676
    Abstract: A 3D video viewing shutter device receives display response time from a 3D video display device for determining shutter open and close times. Response time may correspond to display type, a particular display and/or a change in pixel illumination levels between frames. The shutter device receives response information during device initialization and/or corresponding to changing pixel illumination levels. A sequence of 3D frames may comprise a pattern of left frames, right frames, blank frames and/or frames comprising a combination of left and right frames. Based on display device and/or shutter device response times, the shutter device may extend shutter transmittance time during a frame display interval into a blank frame interval. Transmittance may be enabled during display of blank frames subsequent to left or right frames. The shutter device and display device may communicate via a wireless link for example, via a Bluetooth wireless link utilizing Bluetooth clocks.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: November 25, 2014
    Assignee: Broadcom Corporation
    Inventor: Sunkwang Hong
  • Patent number: 8896670
    Abstract: An image processing device includes a distance data analysis unit that analyzes subject distance information with the partial region units of captured images having different viewpoints, and a data generation unit that determines whether a recorded image or an output image is set to a two-dimensional image or set to a three-dimensional image depending on the analysis result, and generates the recorded or output image based on the determination result, wherein the data generation unit determines a recall level of stereoscopic vision in three-dimensional display based on the analysis result, and if it is determined that the recall level of stereoscopic vision is low, generates a two-dimensional image as the recorded or output image, and if it is determined that the recall level of stereoscopic vision is high, generates a three-dimensional image as the recorded or output image.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: November 25, 2014
    Assignee: Sony Corporation
    Inventor: Tadashi Yamaguchi
  • Patent number: 8894486
    Abstract: A game apparatus includes a stereoscopic image display device configured to display a stereoscopic image, which is stereoscopically visible by the naked eye, and a planar image display device configured to display a planar image. A touch panel is provided on a screen of the planar image display device. An image of a silhouette of an object in a virtual space is displayed on the planar image display device. The game apparatus causes the object in the virtual space to move according to a touch operation performed on the image of the silhouette displayed on the screen of the planar image display device, and stereoscopically displays the object on the stereoscopic image display device.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: November 25, 2014
    Assignee: Nintendo Co., Ltd.
    Inventors: Hideki Konno, Ryuji Umezu, Kenichi Sugino
  • Patent number: 8890943
    Abstract: The present disclosure relates to a three-dimensional image system. The present disclosure suggests a three dimensional image system comprising: a display device configured to suggest a left image and a right image alternately; a liquid crystal shutter having a liquid crystal layer and configured to switch between a ?/2 phase retardation state and a 0 phase retardation state; polarized glasses including a right glass window having a first polarization axis and a left glass window having a second polarization axis. According to the present disclosure, the left image and the right image can be exactly recognized by the left eye and the right eye, respectively, without any cross-talk problem.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: November 18, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Wookeun Lee, Hyunjin Park, Jonghoon Woo
  • Patent number: 8872816
    Abstract: A three-dimensional image display device includes: a display panel assembly including a display panel including pixels which alternately displays first and second images, and a data driver which transmits data voltages to the pixels; a backlight unit which provides light to the display panel assembly; and a shutter member including first and second shutters, where the backlight unit emits the light during light emitting periods, the light emitting periods includes first light emitting periods, during which the first image is displayed, and second light emitting periods, during which the second image is displayed, the first light emitting periods and the second light emitting periods alternate, and the first shutter is opened during at least two open periods, which are between neighboring second light emitting periods of the second light emitting periods and temporally spaced apart from each other.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: October 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Il Kim, Bae Won Lee, San Seong Seomun, Ja Hun Koo, Woon-Rok Jang, Su-Han Woo
  • Publication number: 20140313297
    Abstract: A display apparatus, three-dimensional (3D) glasses, and a display system including the display apparatus and the 3D glasses are provided. The 3D glasses which interwork with an external display apparatus include: a wireless receiver which receives a sync signal and audio signals from the external display apparatus; a shutter driver which drives shutters according to the received sync signal; and an audio output part which processes and outputs the received audio signal. Thus, users can individually enjoy contents without interfering with one another by selecting and listening to audio corresponding to an image viewed through the display apparatus.
    Type: Application
    Filed: July 1, 2014
    Publication date: October 23, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-jin YOON, Tae-don HWANG
  • Patent number: 8866892
    Abstract: A display apparatus is provided. The display apparatus includes a display unit which outputs a plurality of content views using a plurality of image frames; an interface unit which is connected with a glasses apparatus according to a predetermined communication standard; a synchronization signal generator which generates a synchronization signal that synchronizes one of the plurality of content views with the glasses apparatus; and a controller which, when a glasses apparatus is connected, controls the display apparatus to synchronize the one of the plurality of content views with the glasses.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: October 21, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bong-yeon Kim, Chang-seog Ko
  • Patent number: 8866883
    Abstract: Tools are described for preparing digital dental models for use in dental restoration production processes, along with associated systems and methods. Dental modeling is improved by supplementing views of three-dimensional models with still images of the modeled subject matter. Video data acquired during a scan of the model provides a source of still images that can be displayed alongside a rendered three-dimensional model, and the two views (model and still image) may be synchronized to provide a common perspective of the model's subject matter. This approach provides useful visual information for disambiguating surface features of the model during processing steps such as marking a margin of a prepared tooth surface for a restoration.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: October 21, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Janos Rohaly, Robert N. Nazzal, Edward K. Tekeian, Ilya A. Kriveshko, Eric B. Paley
  • Patent number: 8860789
    Abstract: An apparatus and method for creating a three dimensional image. The apparatus can scan an object from a plurality of locations along a curved track to create a frame set. One or more frame sets can be composited into an image to create a three dimensional scene. The image can be interlaced and viewed through a lenticular lens. During composition of the image, the positioning, spacing and order of the frames within a frame set can be manipulated to adjust the location, depth, and animation mode of each object within the three dimensional scene.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: October 14, 2014
    Inventor: Vic G. Rice
  • Patent number: 8860791
    Abstract: A stereoscopic display device for three-dimensionally displaying a display image to enable a viewer to view the display image using glasses is disclosed. The device includes a receiving unit, a display memory unit, a controller unit, an adjusting unit, and a display unit. The receiving unit receives, form the glasses, glasses information used to identify an attribute of the glasses. The display memory unit stores parameter information corresponding to the received glasses information and used to control a quality of the display image when the display image is displayed. The controller unit generates image control information in accordance with the parameter information. The adjusting unit adjusts the display image based on the image control information to generate an adjusted display image. The display unit displays the adjusted display image.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: October 14, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenichi Shimoyama, Nao Mishima
  • Patent number: 8854429
    Abstract: Disclosed are a display apparatus, three-dimensional (3D) glasses and a control method thereof. The method of controlling three-dimensional (3D) glasses for a display apparatus includes: synchronizing clocks for communicating with the 3D glasses; generating drive timing information for driving shutters of the 3D glasses from the synchronized clocks and a frame sync signal of a displayed image; and transmitting a glasses control message, comprising the drive timing information, to the 3D glasses.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: October 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Je-hwan Seo, Tae-don Hwang, Yong-jin Kang, Do-sung Jung
  • Patent number: 8854434
    Abstract: There is provided a demultiplexer that receives video data for one of a three-dimensional display and a two-dimensional display. There is also provided an HDMI transmission portion that transmits the video data and display information that pertains to one of the three-dimensional display and the two-dimensional display of the video data to a television receiver through TMDS channels #0, #1, and #2 of an HDMI cable. There is also provided a transmission/receiving portion that transmits the display information to the television receiver through a CEC line of the HDMI cable.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: October 7, 2014
    Assignee: Sony Corporation
    Inventors: Takehiko Saito, Ichiro Hamada
  • Patent number: 8848041
    Abstract: Provided are methods and apparatuses for displaying a stereoscopic image. The method includes alternately generating repeated left-eye images and repeated right-eye images; turning off a backlight unit during a period in which a left-eye image and a right-eye image are mixed and turning on the backlight unit during a period in which only one of the left-eye and right-eye images is displayed; and controlling a left-eye shutter and a right-eye shutter of shutter glasses during a period in which the backlight unit is turned on.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-moo Park, Ho-seop Lee, Jong-hoon Jeong, Sergey Shestak, Dae-sik Kim
  • Patent number: 8848044
    Abstract: This invention is to provide an image processing apparatus, an image processing method, a program, and a display in which both of a secret image and a public image can be efficiently displayed with high picture quality without reducing contrast of the public image. One of output images is a secret image which displays an input secret image as one of input images in a partial area of a screen, all the output images including the secret image have a relationship to become, when a luminance value of each pixel thereof is totaled, an input public image as one of the input images; and during a period in which at least the secret image is being outputted, shutter glasses disposed between a display to which the image signals are inputted and user's eyes are set to a light transmission state.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: September 30, 2014
    Assignee: Nec Corporation
    Inventors: Daigo Miyasaka, Masao Imai, Fujio Okumura
  • Patent number: 8842103
    Abstract: A method of driving liquid crystal display panel includes generating a plurality of eye data frames from a received frame of image data. A high data frame having a first liquid crystal rotating attribute and a low data frame having a lesser second liquid crystal rotating attribute are respectively generated from a respective two of the generated plurality of eye data frames. The high data frame and the low data frame are alternatingly used to drive the liquid crystal display panel according to a time division rate such that liquid crystal molecules are subjected to low and higher crystal rotating forces. In one embodiment, each pixel is space-divided into first and second sub areas having different distances between the first and second pixel electrodes, and the high data and the low data are time-divided and displayed on the pixel, enhancing visibility of the resulting image for different viewing angles.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa-Sung Woo, Dong-Gyu Kim, Kye-Hun Lee, Hyang-Yul Kim, Joo-Nyung Jang
  • Patent number: 8842170
    Abstract: Active Space separates the Left Frame from the Right Frame in a frame packing format. A source device is expected to transmit a constant pixel value. A sink device is expected to ignore all data received during the Active space regardless of the value. Embodiments of the present invention involve the Source device to embed intelligent information in the Active Space in lieu of the recommended fixed pixel value. Then the Sink device may read the embedded information from the Active Space, and infer the transition between the left frame and the right frame which is useful, for example, to synchronize eyewear.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: September 23, 2014
    Assignee: Intel Corporation
    Inventor: Sunil K. Jain
  • Patent number: 8842172
    Abstract: The present invention relates to an operation method of shutter glasses based 3D display device, which alternatively supplies left-eye and right-eye frame signals to a liquid crystal panel to drive the liquid crystal panel to respectively form left-eye and right-eye images, which cooperate with illumination of a scanning back light unit and timing control of the shutter glasses to simulate left and right eyes respectively with left-eye and right-eye signals for perception of a 3D image, wherein in a period of a current frame signal, duty time of each of blocks of the back light unit is located between the time when liquid crystal corresponding to the block completely responds after being driven by the current frame signal and the time when the liquid crystal corresponding to the block starts to respond as being driven by a subsequent frame signal.
    Type: Grant
    Filed: November 26, 2011
    Date of Patent: September 23, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Chihtsung Kang
  • Patent number: 8842171
    Abstract: A stereoscopic image display device comprises: a display device that displays left-eye image data in a left-eye frame and right-eye image data in a right-eye frame; liquid crystal shutter glasses that alternately open and close a left-eye shutter and a right-eye shutter in synchronization with the display device; and a control circuit that controls the ON duty ratio of a backlight of the display device to a first set value if the luminance of each of the left-eye and right-eye frames is less than a predetermined reference value, and controls the ON duty ratio of the backlight of the display device to a second set value if the luminance of each of the left-eye and right-eye frames is greater than the reference value.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: September 23, 2014
    Assignee: LG Display Co., Ltd.
    Inventor: Taeuk Kang
  • Patent number: 8836759
    Abstract: Disclosed are a display apparatus, three-dimensional (3D) glasses and a control method thereof. The method of controlling three-dimensional (3D) glasses for a display apparatus includes: synchronizing clocks for communicating with the 3D glasses; generating drive timing information for driving shutters of the 3D glasses from the synchronized clocks and a frame sync signal of a displayed image; and transmitting a glasses control message, comprising the drive timing information, to the 3D glasses.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: September 16, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Je-hwan Seo, Tae-don Hwang, Yong-jin Kang, Do-sung Jung
  • Patent number: 8836634
    Abstract: A stereoscopic image display and a method for driving the same are disclosed. The stereoscopic image display includes a display panel that displays a 2D image data in a 2D mode and displays a 3D image data in a 3D mode, a backlight unit providing light to the display panel, a timing controller that supplies a left eye image data during a data addressing period of a (2N?1)th frame period and supplies a right eye image data during a data addressing period of a 2Nth frame period in the 3D mode, where N is a natural number, and a backlight controller generating a backlight control signal for controlling light sources of the backlight unit so that the light sources of the backlight unit are turned on during a vertical blanking interval of each of the (2N?1)th frame period and the 2Nth frame period in the 3D mode.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: September 16, 2014
    Assignee: LG Display Co., Ltd.
    Inventor: Jaeyong Lee
  • Patent number: 8836772
    Abstract: Active shutter 3D glasses with multiple optical detectors, such as photodiodes, are described that detect a frame rate of a 3D television or other 3D display by using independent component analysis. The detected frame rate is used to update a clock onboard the 3D glasses that times the active shutters, thereby synchronizing the shutters to the 3D display. A switch can reverse the shutters in case the left eye/right eye images are shown oppositely.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: September 16, 2014
    Assignee: Sony Computer Entertainment, Inc.
    Inventor: Xiaodong Mao
  • Patent number: 8836773
    Abstract: A 3D image playback method includes utilizing a detecting module to detect a visual angle included between a display device and a shutter glasses, playing a plurality of 3D image sets with different visual angles at a specific frequency by the display device, transmitting a synchronization signal corresponding to the visual angle to the shutter glasses by the detecting module, and controlling a switching frequency of the shutter glasses so as to make the shutter glasses capable of receiving one of the plurality of 3D image sets corresponding to the visual angle.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: September 16, 2014
    Assignee: Wistron Corporation
    Inventor: Ching-An Lin
  • Patent number: 8836774
    Abstract: The present invention relates to an operation method of shutter glasses based 3D display device, which alternatively supplies left-eye and right-eye frame signals to a liquid crystal panel to drive the liquid crystal panel, which cooperate with illumination of a scanning back light unit and timing control of the shutter glasses to simulate left and right eyes respectively with left-eye and right-eye signals for perception of a 3D image, wherein in a period of a current frame signal, duty time of each of blocks of the back light unit is located between the time when liquid crystal corresponding to the block completely responds after being driven by the current frame signal and the time when the liquid crystal corresponding to the block starts to respond as being driven by a subsequent frame signal, and the duty time of each of the blocks is divided into duty1, a duty time that precedes completion of response of liquid crystal, and duty2, a duty time that succeeds the completion of response of liquid crystal, l
    Type: Grant
    Filed: November 26, 2011
    Date of Patent: September 16, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Chihtsung Kang
  • Patent number: 8832480
    Abstract: A portable electronic device having automatic power supply mode switching is provided. The portable electronic device includes a micro-sensor and a control circuit. The control circuit controls operations of the electronic device, the micro-sensor senses whether the electronic device is carried or worn by a user. When the electronic device operates in a normal mode, and if the electronic device is not carried or worn for a time longer than a buffer period of a predetermined interval, the control circuit switches to a sleep mode, which results in lower power consumption.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: September 9, 2014
    Assignee: MStar Semiconductor, Inc.
    Inventors: Yen-Lin Lee, Shan-Cheng Sun, Chih-Cheng Ku, He-Ge Chen
  • Patent number: 8823780
    Abstract: An image display device comprises a liquid crystal display panel configured to selectively implement 2D images and 3D images, panel driving circuits configured to drive the liquid crystal display panel, a backlight configured to include a plurality of light sources and supply light to the liquid crystal display panel, and a controller configured to modulate input data to generate frame data synchronized with N (where N is a positive integer equal to or more than 2) multiple frame frequency, control the panel driving circuits such that the frame data is displayed in the liquid crystal display panel, expand a vertical blank interval where the frame data is not displayed, and control a turned-on period of the backlight to overlap with the expanded vertical blank interval.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: September 2, 2014
    Assignee: LG Display Co., Ltd.
    Inventor: Juyoung Lee
  • Publication number: 20140240474
    Abstract: A glasses-type radio communication device (1) which is to be worn on the head of a user, includes: right and left eyepiece parts (11); and an antenna (110) for carrying out radio communication, the antenna (110) being a dipole antenna including an antenna element (100) and a power feeding section (101) which supplies electric power to the antenna element (100), the power feeding section (101) being provided between the right and left eyepiece parts (11).
    Type: Application
    Filed: September 6, 2012
    Publication date: August 28, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventor: Toshinori Kondo
  • Patent number: 8817066
    Abstract: A mirror assembly adapted for use in a panoramic imaging system for capturing a panoramic image includes a mirror for optically coupling to a fisheye lens having a first field of view, the mirror configured for reflecting an image of a second field of view through the fisheye lens. A housing has a first end and a second end, the mirror being secured proximate to the first end, and the second end having an engagement portion for securing the mirror assembly to the panoramic imaging system. When the mirror assembly is secured to the panoramic imaging system, the mirror is optically coupled to the fisheye lens and a detector for capturing a first portion of the panoramic image and a second portion of the panoramic image, the first portion of the panoramic image having a portion overlapping the second portion of the panoramic image.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: August 26, 2014
    Assignee: The Trustees of Columbia University in the City of New York
    Inventors: Gurunandan Krishnan, Shree K. Nayar
  • Patent number: 8816939
    Abstract: An apparatus for viewing of an image of a scene, including a monocular device worn by a viewer which includes a first display for displaying a first two-dimensional image of the scene with a first perspective to one eye of the viewer. a second display for displaying a second two-dimensional image of the scene with a second perspective to the other eye of the viewer, wherein the first perspective of the scene is different from the second perspective of the scene so that the viewer perceives a three dimensional image of the scene, while another viewer of the second display, that is not wearing a monocular device, views the two-dimensional image of the scene.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: August 26, 2014
    Assignee: Kodak Alaris Inc.
    Inventors: John Norvold Border, Amit Singhal
  • Patent number: 8817196
    Abstract: An optical shuttering device is provided, which includes an optical cell with a liquid crystal material between first and second transparent substrates and controlled by an electronic switching circuit. The switching circuit includes a power supply module, providing a control voltage, and a switching element mounted in series between the power supply module and the cell, making it possible to switch the cell between an on state and an off state. The electronic switching circuit furthermore includes a current source mounted in series between the power supply module and the switching element. The substrates preferably have different thickness and material.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: August 26, 2014
    Assignee: Institut Telecom/Telecom Bretagne
    Inventors: Jean-Louis De Bougrenet De La Tocnaye, Bertrand Caillaud, Emmanuel Daniel, Robert Bellini, Olivier Castany
  • Patent number: 8817083
    Abstract: An image display apparatus for displaying a 3D video signal using a liquid crystal device such as an HIPS or LCOS device comprises a frame rate converter (3) that converts the input video signal to a doubled frame rate, a signal format converter (4) that converts the pixel sequence of the video signal, a light source controller (7) that outputs a light source control signal for turning the light source used for image display on and off, and a 3D glasses controller (8) that generates a glasses control signal (c3) for shutters (64R, 64L) that switch the transmission of the light to the right and left eyes of 3D glasses (64). The risk of crosstalk between the right and left images, due to device response speed is reduced, without requiring a large number of frame memories.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 26, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akihiro Nagase, Takahiko Yamamuro, Kouji Okazaki
  • Patent number: 8810630
    Abstract: Disclosed are a video processing apparatus, a content providing server, and control methods thereof. The video processing apparatus includes: a receiver which receives a two-dimensional (2D) video signal; a communication unit which communicates with a content providing server providing a supplementary video signal for a three-dimensional (3D) video signal corresponding to the 2D video signal; a signal processor which processes the 2D video signal and the supplementary video signal; and a controller which controls the communication unit to receive the supplementary video signal corresponding to the received 2D video signal from the content providing server, and the signal processor to generate the 3D video signal based on the received supplementary video signal and the received 2D video signal. Accordingly, it is possible to generate and reproduce the 3D video signal corresponding to the 2D video signal.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: August 19, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-su Kim, Keum-yong Oh, Da-na Jung
  • Patent number: 8804842
    Abstract: A method for decoding a compressed image stream, the image stream having a plurality of frames, each frame consisting of a merged image including pixels from a left image and pixels from a right image. The method involves the steps of receiving each merged image; changing a clock domain from the original input signal to an internal domain; for each merged image, placing at least two adjacent pixels into an input buffer and interpolating an intermediate pixel, for forming a reconstructed left frame and a reconstructed right frame according to provenance of the adjacent pixels; and reconstructing a stereoscopic image stream from the left and right image frames. The invention also teaches a system for decoding a compressed image stream.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: August 12, 2014
    Assignee: SENSIO Technologies Inc.
    Inventors: Nicholas Routhier, Claude Thibeault, Jean Belzile, Daniel Malouin, Pierre-Paul Carpentier, Martin Dallaire