# US 12,192,438 B2 · Rotating stereoscopic display device and display control method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,192,438 B2 - Document ID: US12192438B2 - Status: Granted - Kind: B2 - Application number: 17/789,408 - Filed: 2021-04-28 - Published: 2024-06-06 - Granted: 2025-01-07 - Earliest claimed: 2021-04-28 - Assignees: Boe Technology Group Co., Ltd. - Applicants: BOE Technology Group Co., Ltd. - Inventors: Xi Li; Longhui Wang; Xuefeng Wang; Jinghua Miao - Web page: https://patentgrep.com/patent/US12192438B2 ## CPC - H04N 13/393: the volume being generated by a moving, e.g. vibrating or rotating, surface - G02F 1/33: Acousto-optical deflection devices {(circuit or control arrangements therefor G02F1/113)} - G09G 3/00: Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes - H04N 13/398: Synchronisation thereof; Control thereof - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - 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 The present disclosure provides a rotating stereoscopic display device and a display control method. A rotating stereoscopic display device includes a base, a drive assembly arranged on the base, and a display panel capable of rotating driven by the drive assembly, wherein the display panel includes a plurality of display areas, the plurality of display areas comprising at least a first display area, at least a second display area and at least a third display area, pixel densities in the first display area, the second display area and the third display area decrease in turn, and at least one of the second display area and the third display area is arranged between the first display area and an edge of the display panel. ## Claims ### Claim 1 A rotating stereoscopic display device, comprising a base, a drive assembly arranged on the base, and a display panel, the display panel is driven by the drive assembly to rotate, the display panel comprising a plurality of display areas, the plurality of display areas comprising at least a first display area, at least a second display area and at least a third display area, a pixel density in the first display area, the second display area and the third display area decreases in turn, at least one of the second display area and the third display area is disposed between the first display area and an edge of the display panel-; wherein at least one edge of the second display area coincides with the edge of the display panel; wherein the display panel comprises a vertex region provided with the third display area, at least two edges of the third display area at the vertex region coincides with edges of the display panel. ### Claim 2 (depends on 1) The rotating stereoscopic display device according to claim 1, wherein the display panel comprises a first axis, wherein the display panel is rotatable about the first axis, the first display area, the second display and the third display area are symmetrically disposed about the first axis. ### Claim 3 (depends on 2) The rotating stereoscopic display device according to claim 2, wherein the display panel further comprises a second axis perpendicular to the first axis, the first display area, the second display, and the third display area are symmetrically disposed about the second axis. ### Claim 4 (depends on 2) The rotating stereoscopic display device according to claim 2, wherein the first display area does not overlap the first axis, and at least one of the second display area and the third display area is disposed between the first display area and the first axis. ### Claim 5 (depends on 4) The rotating stereoscopic display device according to claim 4, wherein the third display area comprises a target third display area located between two groups of the first display areas arranged symmetrically, the target third display area overlaps the first axis, a second display area is arranged between the third display area and an edge of the display panel in a direction of the first axis. ### Claim 6 (depends on 4) The rotating stereoscopic display device according to claim 4, wherein the first display area comprises a first sub-area and a second sub-area, the pixel density of the first sub-area is greater than the pixel density of the second sub-area, the second sub-area is located at a vertex of the first display area, at least two edges of the second sub-area coincide with the edges of the first display area, the second sub-area is adjacent to the second display area, and the second sub-area is separated from the third display area. ### Claim 7 (depends on 1) The rotating stereoscopic display device according to claim 1, wherein an area ratio of the first display area, the second display area, and the third display area is 30% to 35%: 45% to 55%: 10% to 20%. ### Claim 8 (depends on 1) The rotating stereoscopic display device according to claim 1, wherein the pixel density ratio of the first display area, second display area and third display area is 1:0.4 to 0.7:0.1 to 0.3. ### Claim 9 (depends on 1) A display control method, applied to the rotating stereoscopic display device according to claim 1, the method comprising: determining a two-dimensional image displayed by the display panel at each rotation phase according to the three-dimensional image to be displayed; controlling the corresponding pixel unit to display the target pixel in the case where a pixel unit exists in a target area of the display panel corresponding to a target pixel in the two-dimensional image; and controlling the pixel unit adjacent to the target area to display the target pixel in the case where no pixel unit exist in the target area of the display panel corresponding to the pixel in the two-dimensional image.