# US 8,787,005 B2 · Display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,787,005 B2 - Document ID: US8787005B2 - Status: Granted - Kind: B2 - Application number: 13/173,050 - Filed: 2011-06-30 - Published: 2012-01-12 - Granted: 2014-07-22 - Earliest claimed: 2010-07-08 - Assignees: Sony Corporation - Applicants: Izushi Kobayashi; Katsuhisa Ito; Hiroki Kikuchi; Yukitoyo Ohshima - Inventors: Izushi Kobayashi; Katsuhisa Ito; Hiroki Kikuchi; Yukitoyo Ohshima - Web page: https://patentgrep.com/patent/US8787005B2 ## CPC - G02B 30/54: the three-dimensional [3D] volume being generated by moving a two-dimensional [2D] surface, e.g. by vibrating or rotating the 2D surface - G03B 25/00: Viewers, other than projection viewers, giving motion-picture effects by persistence of vision, e.g. zoetrope - G03B 35/18: by simultaneous viewing - G09F 9/33: being semiconductor devices, e.g. diodes - G09F 11/06: the elements being stiff plates or cards (on rotating discs G09F11/04) - G09F 19/125: {Stereoscopic displays; 3D displays} - G09F 13/34: with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source (apparatus wherein advertising or display material is moved in a continuous or intermittent succession G09F11/00; construction or details of lighting devices F21V11/00) - H04N 13/31: using parallax barriers - H04N 13/351: for displaying simultaneously - H04N 2213/001: Constructional or mechanical details - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A display apparatus includes: a cylindrical casing which is rotatably driven; and a plurality of curve-arranged displays which are installed inside the casing and have the same number as a plurality of slits formed in the casing, wherein each curve-arranged display has an L-shaped or inverted L-shaped cross-section, and short sides of a plurality of display device substrates in which a display device is installed on the short side of the L shape or the inverted L shape are arranged in the form of an arc. ## Claims ### Claim 1 A display apparatus comprising: a cylindrical casing which is rotatably driven; and a plurality of curve-arranged displays which are installed inside the casing and have the same number as a plurality of slits formed in the casing, wherein each curve-arranged display has an L-shaped or inverted L-shaped cross-section, and short sides of a plurality of display device substrates in which a display device is installed on the short side of the L shape or the inverted L shape are arranged in the form of an arc. ### Claim 2 (depends on 1) The display apparatus according to claim 1, wherein the curve-arranged displays are provided in the form of an arc so that the short sides of the plurality of display device substrates having the L-shaped cross-section and the short sides of the plurality of display device substrates having the inverted L-shaped cross-section are symmetrically arranged to face each other, with reference to the center of the curve-arranged displays. ### Claim 3 (depends on 2) The display apparatus according to claim 2, wherein the short sides of the display device substrates which form the curve-arranged displays in the form of the arc are directed to a point on a line which connects the arc center of the curve-arranged displays and the slit thereof. ### Claim 4 (depends on 3) The display apparatus according to claim 3, wherein an irradiation direction of each display device installed on the short sides of the display device substrates which form the curve-arranged displays in the form of the arc is directed to the slit. ### Claim 5 (depends on 2) The display apparatus according to claim 2, wherein the curve-arranged displays include a light housing having an approximately semi-cylindrical column, and the plurality of display device substrates installed on an arc-shaped side surface of the semi-cylindrical column of the light housing. ### Claim 6 (depends on 5) The display apparatus according to claim 5, wherein a slit is formed in a flat side surface facing the arc-shaped side surface of the semi-cylindrical column of the light housing. ### Claim 7 A display apparatus comprising: a casing which is rotatably driven; and a display which is installed inside the casing, wherein a display surface of the display has an L-shaped or inverted L-shaped cross-section, and short sides of a plurality of display device substrates in which a display device is installed on the short side of the L shape or the inverted L shape are arranged in the form of an arc. ### Claim 8 A display apparatus comprising: a display device; and a plurality of display device substrates in which a cross-section thereof is an L shape or an inverted L shape and the display device are installed on the L-shaped short side or the inverted L-shaped short side, wherein the display surface is formed by the short sides.