# US 10,455,223 B2 · Stereoscopic display device with selectively transmissive parallax barriers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,455,223 B2 - Document ID: US10455223B2 - Status: Granted - Kind: B2 - Application number: 15/478,907 - Filed: 2017-04-04 - Published: 2017-07-20 - Granted: 2019-10-22 - Earliest claimed: 2011-09-29 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Takeo Koito; Daisuke Takama - Web page: https://patentgrep.com/patent/US10455223B2 ## CPC - H04N 13/31: using parallax barriers - G09G 3/2003: {Display of colours (specific for liquid crystal displays G09G3/3607)} - H04N 13/305: using lenticular lenses, e.g. arrangements of cylindrical lenses - H04N 13/312: the parallax barriers being placed behind the display panel, e.g. between backlight and spatial light modulator [SLM] - H04N 13/324: Colour aspects - H04N 13/351: for displaying simultaneously - G09G 2320/0209: Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract A display device including a display part including a pixel of a first series having a first horizontal pixel width and a pixel of a second series having a second horizontal pixel width smaller than the first horizontal pixel width, the pixels of the first series and the pixels of the second series being arrayed alternately in each of a horizontal direction and a vertical direction, and a light beam control part that controls a light beam from the display part or a light beam toward the display part. ## Claims ### Claim 1 A display device, comprising: first-series pixels including a first first-series pixel and a second first-series pixel; second-series pixels including a first second-series pixel arranged between the first first-series pixel and the second first-series pixel in a first direction; and a parallax barrier corresponding to the first series pixels and the second series pixels and comprised of a plurality of selectively transmissive barriers including a first barrier, a second barrier, and a third barrier arranged between the first barrier and the second barrier, wherein, in a first display mode in which the first first-series pixel is configured to display a first image corresponding to a first viewpoint and the second first-series pixel is configured to display a second image corresponding to a second viewpoint: the third barrier is configured to be in a transmissive state; the first barrier and the second barrier are configured to be in a non-transmissive state; the first image of the first first-series pixel is radiated to the first viewpoint through the third barrier; the second image of the second first-series pixel is radiated to the second viewpoint through the third barrier; and the first second-series pixel is configured to display a black color or a gray color. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the distance between the first first-series pixel and the second first-series pixel in the first direction is substantially equal to a width of the first first-series pixel in the first direction. ### Claim 3 (depends on 1) The display device according to claim 1, wherein the distance between the first first-series pixels and the second first-series pixel in the first direction is shorter than a width of the first first-series in the first direction. ### Claim 4 (depends on 1) The display device according to claim 1, wherein the distance between the first first-series pixel and the second first-series pixel in the first direction is larger than a width of the first first-series pixel in the first direction. ### Claim 5 (depends on 1) The display device according to claim 1, wherein: the first-series pixels further include a third first-series pixel, the second-series pixels further include a second second-series pixel, the second second-series pixel is arranged between the first first-series pixel and the third first-series pixel in a second direction which crosses the first direction. ### Claim 6 (depends on 5) The display device according to claim 5, wherein a central coordinate in the first direction of the first first-series pixel is equal to a central coordinate in the first direction of the second second-series pixel. ### Claim 7 (depends on 1) The display device according to claim 1, wherein the first barrier and the second barrier are switchable liquid crystal barriers. ### Claim 8 (depends on 7) The display device according to claim 7, wherein the third barrier is a switchable liquid crystal barrier. ### Claim 9 (depends on 1) The display device according to claim 1, wherein the first barrier and the second barrier extend in a predetermined direction. ### Claim 10 (depends on 1) The display device according to claim 1, wherein a width of the third barrier is smaller than a width of the first first-series pixel in the first direction. ### Claim 11 (depends on 1) The display device according to claim 1, further comprising an illuminator, wherein the first-series pixels and the second-series pixels are present between the illuminator and the parallax barrier. ### Claim 12 (depends on 1) The display device according to claim 1, further comprising an illuminator, wherein the parallax barrier is present between the illuminator and both the first-series pixels the second-series pixels. ### Claim 13 (depends on 1) The display device of claim 1, wherein, for a given group of four neighboring first-series pixels, two of the neighboring first-series pixels display a same first color and two of the neighboring first-series pixels display a same second color. ### Claim 14 (depends on 1) The display device of claim 1, wherein: the display device is configured to further perform a second display mode, in the second display mode, the first second-series pixel is configured to display a same color with at least one of the first first-series pixel or the second first-series pixel, and in the first display mode, the first second-series pixel is configured to display black or gray. ### Claim 15 (depends on 14) The display device of claim 14, wherein: the first-series pixels further include a third first-series pixel, the second-series pixels further include a second second-series pixel, the second second-series pixel is arranged between the first first-series pixel and the third first-series pixel in a second direction which crosses the first direction, in the second display mode, the second second-series pixel is configured to display a same color with the first first-series pixel. ### Claim 16 A display device, comprising: first-series pixels including a first first-series pixel and a second first-series pixel; second-series pixels including a first second-series pixel arranged between the first first-series pixel and the second first-series pixel in a first direction; and a parallax barrier corresponding to the first series pixels and the second series pixels and comprised of openings including a first opening and selectively transmissive barriers including a first barrier and a second barrier, the first opening arranged between the first barrier and the second barrier in the first direction, wherein, in a first display mode in which the first first-series pixel is configured to display a first image corresponding to a first viewpoint and the second first-series pixel is configured to display a second image corresponding to a second viewpoint: the first barrier and the second barrier are configured to be in a non-transmissive state; the first image of the first first-series pixel is radiated to the first viewpoint through the first opening; the second image of the second first-series pixel is radiated to the second viewpoint through the first opening; and the first second-series pixel is configured to display a black color or a gray color. ### Claim 17 (depends on 1) The display device according to claim 1, further comprising a lens through which the first and second images are radiated.