Patent application number | Description | Published |
20080204874 | HIGHLY EFFICIENT 2D/3D SWITCHABLE STEREOSCOPIC DISPLAY APPARATUS - Provided is a highly efficient two-dimensional (2D)/three-dimensional (3D) image switchable stereoscopic display. The stereoscopic display apparatus includes: a backlight unit which has a reflective plate disposed on a bottom surface thereof; a polarizer which only transmits light of a specific polarization direction emitted from the backlight unit; a first birefringent element array including a plurality of alternating first and second birefringent elements that change the polarization direction of incident light; a second birefringent element array including a plurality of alternating third and fourth birefringent elements that change the polarization direction of incident light; a reflective polarizing sheet which transmits light of a specific polarization direction transmitted by the second birefringent element array while reflecting light of another polarization direction transmitted by the second birefringent element array; and a display panel which displays an image. | 08-28-2008 |
20080252720 | HIGHLY EFFICIENT 2D-3D SWITCHABLE DISPLAY DEVICE - Provided is a highly efficient 2D-3D switchable display device. The image display device includes a display unit forming an image, and a switching visual field separation unit switching the image formed by the display unit into a 2D image or a 3D image, and comprising a lens array for separating a visual field and a liquid crystal lens controlled so as to have a refractive power offsetting or reinforcing a refractive power of the lens array. | 10-16-2008 |
20080297671 | 2D/3D DISPLAY APPARATUS WITH FULL RESOLUTION USING SCANNING BACKLIGHT AND METHOD OF CONTROLLING SAME - Provided are a 2D (2-dimensional)/3D (3-dimensional) display apparatus using a scanning backlight and a method of controlling the same. The apparatus sequentially includes a backlight which is capable of scanning and irradiating polarized light, a retarder which transmits light emitted from the backlight as phase-maintained light and phase-delayed light, a lenticular array which transmits light from the retarder as directional light, and a display panel which displays an inputted image and which is illuminated by light being transmitted through the lenticular array. The backlight includes a plurality of light guide plates which are independently disposed and arranged in parallel with one another, a plurality of light sources which are provided for the respective light guide plates and emit light, and a plurality of polarization filters which are arranged in front of the respective light guide plates. The scanning frequency of the backlight is synchronized with the input frequency of the input frames so that an illumination function and a scanning function are simultaneously performed using one backlight, a 2D image and a 3D image are efficiently displayed and crosstalk is reduced. | 12-04-2008 |
20080316596 | BACKLIGHT UNIT AND 2D/3D SWITCHABLE IMAGE DISPLAY DEVICE EMPLOYING THE BACKLIGHT UNIT - A 2D/3D switchable image display device is provided. The device includes an image panel, a backlight unit arranged at the rear side of the image panel, and a lenticular lens sheet arranged between the image panel and the backlight unit. The backlight unit includes a plurality of segment light sources for a left eye vision range which emit a light for a left eye vision range, and a plurality of segment light sources for a right eye vision range which emit a light for a right eye vision range. The segment light sources for the left eye vision range and the segment light sources for the right eye vision range are alternately arranged to form a surface light source. The lenticular lens sheet includes a plurality of semi-cylindrical lenses arranged in a direction perpendicular to a viewing direction of both eyes of a viewer. | 12-25-2008 |
20090002819 | MULTIVIEW AUTOSTEREOSCOPIC DISPLAY DEVICE AND MULTIVIEW AUTOSTEREOSCOPIC DISPLAY METHOD - A method and apparatus for displaying a multiview autostereoscopic image are provided. The apparatus, for displaying an autostereoscopic image, includes: a light source unit; and a display panel which displays an image by modulating light from the light source unit and having a plurality of pixel groups, wherein each of the pixel groups comprises a plurality of whole pixels and at least one fraction pixel, and in each of the whole pixels and the fraction pixel, image information of a viewpoint different from each other is displayed. | 01-01-2009 |
20090046142 | AUTO STEREOSCOPIC DISPLAY IMPROVING BRIGHTNESS - Provided is an auto stereoscopic display improving brightness, including: a left eye pixel including a plurality of first color sub pixels and a first white sub pixel; a right eye pixel including a plurality of second color sub pixels and a second white sub pixel; and a viewing field separating unit which separates a viewing field of a left image formed by the left eye pixel and a viewing field of a right image formed by the right eye pixel. | 02-19-2009 |
20090201362 | AUTOSTEREOSCOPIC DISPLAY SYSTEM - An autostereoscopic display system is provided. The autostereoscopic display system includes: an image panel being divided into two or more display regions, each of which alternately displays an image for a left eye and an image for a right eye; an optical shutter which is spaced apart from the image panel, including three or more shutter segments capable of being switched between a transparent state and a non-transparent state, and guiding an image for a left eye and an image for a right eye which are displayed on the image panel to left and right eyes of a viewer, respectively; and a control unit which controls the optical shutter being synchronized with the image for a left eye and the image for a right eye which are displayed on the image panel. | 08-13-2009 |
20100039573 | BARRIER PANEL DEVICE FOR 3D IMAGE REPRODUCTION, AND METHOD OF DRIVING SAME - Provided is a method of driving a barrier panel device. Segment driving voltages are controlled to be applied to a plurality of segments of a first electrode of a barrier panel based on a display direction of an image signal displayed on an image display panel of an apparatus for reproducing a 3D image. An odd barrier driving voltage is controlled to be commonly applied to odd numbered barriers of a plurality of barriers of a second electrode of the barrier panel. An even barrier driving voltage is controlled to be commonly applied to even numbered barriers of the plurality of barriers. The segment driving voltage, the odd barrier driving voltages, and the even barrier driving voltages are synchronized. | 02-18-2010 |
20100188399 | METHOD AND APPARATUS FOR DISPLAYING 3-DIMENSIONAL IMAGE - 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. | 07-29-2010 |
20110019152 | STEREOSCOPIC IMAGE PROJECTION SYSTEM - A stereoscopic image projection system including: a beam projector for projecting a left eye image and a right eye image in a side by side format; a stereoscopic image adaptor for alternately projecting the left eye image and the right eye image onto a screen in a time sequence; and a shutter controller for synchronizing a time sequential operation of the stereoscopic image adaptor and opening and closing of right and left shutters of a user shutter glasses. | 01-27-2011 |
20110267341 | STEREOSCOPIC DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A stereoscopic display apparatus includes a display panel which scans an image at a frame frequency that is an odd-numbered multiple of a field frequency, an image signal input unit which inputs an image signal to the display panel, a backlight unit which emits light to the display panel, and a shutter controller which controls an opening and a closing of a left eye shutter and a right eye shutter of shutter glasses. | 11-03-2011 |
20110292041 | STEREOSCOPIC DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A stereoscopic display apparatus is provided. The display apparatus includes a display panel for scanning an image alternately at a first frame frequency and a second frame frequency, different from the first frame frequency, an image signal input unit for inputting an image signal to the display panel, a backlight unit for emitting light to the display panel, and a shutter controller for selectively controlling an opening and closing of a left eye shutter and a right eye shutter of shutter glasses. | 12-01-2011 |
20120032997 | BACKLIGHT UNIT AND 2D AND 3D IMAGE DISPLAY SYSTEM - A backlight unit and a two-dimensional (2D) and three-dimensional (3D) image display system including the same. The backlight unit includes a first light guide plate and a second light guide plate, wherein the first light guide plate includes a plurality of first diffusion units that are aligned to be spaced apart from each other, and the second light guide plate includes a plurality of second diffusion units that are aligned alternately with the first diffusion units. Thus, an emission direction of light is controlled, so that a 3D image may be displayed in a plurality of viewing zones. | 02-09-2012 |
20120086712 | 3D DISPLAY PANEL AND 3D DISPLAY APPARATUS USING THE SAME AND DRIVING METHOD THEREOF - A three-dimensional (3D) display panel, a 3D display apparatus using the same, and a driving method thereof are provided. The 3D display apparatus includes: an image display panel which displays an image; a phase shift panel which alternately shifts a polarization direction of light outputted from the image display panel; a backlight unit which provides a backlight; and a control unit which turns off the backlight unit during a crosstalk period where the phase shift panel performs the shift operation and to turn on the backlight unit for a stabilization period after the crosstalk period. | 04-12-2012 |
20120092590 | BACKLIGHT UNIT AND DISPLAY APPARATUS EMPLOYING THE SAME - A backlight unit including a light source; and a liquid crystal panel. The liquid crystal panel includes a first substrate which guides light incident from the light source disposed at at least one side of the first substrate; a transparent electrode disposed on a surface of the first substrate; a second substrate; a reflective electrode disposed on a surface of the second substrate facing the transparent electrode; a liquid crystal layer disposed between the transparent electrode and the reflective electrodes; and a transparent film disposed between the transparent electrode and the reflective electrodes, the transparent film including a surface contacting the liquid crystal layer and patterned with grooves or ribs , and having a refractive index corresponding to at least one of an ordinary refractive index and an extraordinary refractive index of liquid crystals of the liquid crystal layer. | 04-19-2012 |
20130335538 | MULTIPLE VIEWPOINT IMAGE DISPLAY DEVICE - A multi-viewpoint image display device is provided, which includes an image panel including a plurality of pixels configured to be arranged in a plurality of rows and columns, a backlight unit configured to provide light to the image panel, a parallax portion configured to be arranged in front of the image panel, and a mask portion configured to be arranged between the image panel and the backlight unit to partially mask the plurality of pixels. Accordingly, resolution balance can be matched without interference. | 12-19-2013 |
20140191950 | DISPLAY DEVICE FOR NETWORK PAIRING AND NETWORK PAIRING METHOD - A flexible display device for network pairing and a network pairing method are provided. The flexible display device includes an input sensor configured to sense two or more input events generated by an input means, and a controller configured to analyze device information about two or more flexible display devices in response to the sensed input events and, if determining that the sensed input events are for network pairing, to perform network pairing between the two or more flexible display devices. | 07-10-2014 |