# US 8,786,685 B1 · Full-resolution single-LCD stereoscopic display > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,786,685 B1 - Document ID: US8786685B1 - Status: Granted - Kind: B1 - Application number: 12/882,804 - Filed: 2010-09-15 - Granted: 2014-07-22 - Earliest claimed: 2010-09-15 - Assignees: Rockwell Collins, Inc. - Applicants: Vijay M. Sethna; Tracy J. Barnidge; Bruce D. Hufnagel - Inventors: Vijay M. Sethna; Tracy J. Barnidge; Bruce D. Hufnagel - Web page: https://patentgrep.com/patent/US8786685B1 ## CPC - H04N 13/337: using polarisation multiplexing - H04N 13/167: Synchronising or controlling image signals - H04N 13/315: the parallax barriers being time-variant - H04N 13/341: using temporal multiplexing - G02B 30/25: using polarisation techniques - H04N 13/339: using spatial multiplexing (H04N13/337 takes precedence) - H04N 13/361: Reproducing mixed stereoscopic images; Reproducing mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A stereoscopic display for displaying 3D images in the form of a stereo image pair. The stereoscopic display may include, but is not limited to, a display panel, a polarization layer, and an electro-optical panel. The display panel may include at least a first pixel and a second pixel. The polarization layer may include a first portion associated with the first pixel and a second portion associated with the second pixel. ## Claims ### Claim 1 A stereoscopic display system comprising: a stereoscopic image processor; a display panel comprising: a plurality of first pixels and a plurality of second pixels, wherein the plurality of first pixels includes at least a first row of pixels, wherein the plurality of second pixels includes at least a second row of pixels, wherein the at least the first row of pixels and the at least the second row of pixels are interlaced, wherein the display panel receives image data associated with a first channel of a stereoscopic image pair and the at least one first row of pixels and image data associated with a second channel of a stereoscopic image pair and the at least one second row of pixels; a polarization rotation layer comprising: a plurality of first portions, each first portion being associated with a particular first row of the at least the first row, wherein each first portion of the polarization rotation layer is configured to impart a first polarization to the particular first row of the at least the first row, wherein each first portion is configured to impart a first polarization to light received from the particular first row during a first sub-frame of each stereoscopic image frame of a plurality of image frames; and a plurality of second portions, each second portion being associated with a particular second row of the at least the second row, wherein each second portion of the polarization rotation layer is configured to impart a second polarization to the particular second row of the at least the second row, wherein each second portion is configured to impart a second polarization to light received from the particular second row during the first sub-frame of each stereoscopic image frame of the plurality of image frames; and an electro-optical panel configured to: receive light from each first portion of the polarization rotation layer and each second portion of the polarization rotation layer during each sub-frame of each stereoscopic image frame; alter polarizations associated with each of the at least the first row and the at least the second row by imparting a first phase shift during each first sub-frame; alter polarizations associated with each of the at least the first row and the at least the second row by imparting a second phase shift during each second sub-frame; and receive control signals from the stereoscopic image processor to coordinate the first phase shift and the second phase shift with transitions between each first sub-frame and each second sub-frame and with transitions between each second sub-frame and each first sub-frame, wherein the stereoscopic display system is configured for full 3D (three-dimensional) resolution with respect to a total number of pixel rows. ### Claim 2 (depends on 1) The stereoscopic display system of claim 1, wherein the electro-optical panel is an electro-optic polarization switch. ### Claim 3 (depends on 2) The stereoscopic display system of claim 2, wherein the electro-optic polarization switch is a liquid crystal pi cell. ### Claim 4 (depends on 1) The stereoscopic display system of claim 1, further comprising: viewing glasses comprising: a first lens configured to transmit light having the first polarization; and a second lens configured to transmit light having the second polarization. ### Claim 5 (depends on 1) The stereoscopic display system of claim 1, wherein the full 3D resolution of the stereoscopic display system in a horizontal direction is one-half of a total number of pixel rows of the horizontal direction. ### Claim 6 (depends on 1) The stereoscopic display system of claim 1, wherein the full 3D resolution of the stereoscopic display system in a vertical direction is one-half of the total number of pixel rows of the vertical direction. ### Claim 7 (depends on 1) The stereoscopic display system of claim 1, wherein full-resolution stereoscopic image frames are displayed at one-half of an overall frame rate. ### Claim 8 (depends on 7) The stereoscopic display system of claim 7, wherein the overall frame rate is a positive integral multiple of 120 Hertz. ### Claim 9 (depends on 7) The stereoscopic display system of claim 7, wherein the overall frame rate is 240 Hertz. ### Claim 10 (depends on 7) The stereoscopic display system of claim 7, wherein each stereoscopic image is displayed during a particular stereoscopic image frame, wherein the first sub-frame includes image data associated with a first channel which is displayed in an even-numbered pixel row, wherein the second sub-frame includes image data associated with a second channel which is displayed in an odd-numbered pixel row, wherein the first channel comprises one of a left-channel image or a right-channel image and wherein the second channel comprises the other of the left-channel image or the right-channel image. ### Claim 11 (depends on 7) The stereoscopic display system of claim 7, wherein the stereoscopic display system is configured to reduce flicker to a viewer. ### Claim 12 (depends on 1) The stereoscopic display system of claim 1, wherein the image data associated with the first channel in the at least the first row of pixels during the first sub-frame and in the at least the second row of pixels in the second sub-frame is displayed, while the image data associated with the second channel in the at least the second row of pixels during the first sub-frame and the at least the first row of pixels in the second sub-frame is alternately displayed.