# US 10,120,233 B2 · Optical member including optical fibers and multi-panel display device including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,120,233 B2 - Document ID: US10120233B2 - Status: Granted - Kind: B2 - Application number: 15/628,549 - Filed: 2017-06-20 - Published: 2017-12-28 - Granted: 2018-11-06 - Earliest claimed: 2016-06-28 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Seung-Soo Yang; Bo-Ra Kim; Mi-Hyung Chin; Se-Jin Lee - Web page: https://patentgrep.com/patent/US10120233B2 ## CPC - G02F 1/133524: {Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides} - G02B 6/06: the relative position of the fibres being the same at both ends, e.g. for transporting images - G02F 1/13336: {Combining plural substrates to produce large-area displays, e.g. tiled displays} - G09F 9/305: being the ends of optical fibres (G09F9/302 takes precedence) - G02B 6/08: with fibre bundle in form of plate - G02F 1/133562: {on the viewer side} - G09F 9/3026: {Video wall, i.e. stackable semiconductor matrix display modules (video wall control systems G06F3/1446, G09G2300/026)} - G09G 2300/026: Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions - 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 - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - 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 An optical member for a multi-panel display device includes a first optical member located on a first display device and including optical fibers; a second optical member located on a second display device neighboring the first display device and including optical fibers; and an optical fiber triangular bar located to overlap a region where the first and second optical members are adjacent to each other, and including optical fibers, wherein each of the first and second optical members includes a chamfer portion corresponding to the optical fiber triangular bar at the region where the first and second optical members are adjacent to each other. ## Claims ### Claim 1 An optical member for a multi-panel display device, comprising: a first optical member located on a first display device and including optical fibers; a second optical member located on a second display device neighboring the first display device and including optical fibers; and an optical fiber triangular bar located to overlap a region where the first and second optical members are adjacent to each other, and including optical fibers, wherein each of the first and second optical members includes a chamfer portion corresponding to the optical fiber triangular bar at the region where the first and second optical members are adjacent to each other. ### Claim 2 (depends on 1) The optical member of claim 1, wherein each of the first and second optical members includes a resin support portion supporting the optical fibers thereof, and wherein the optical fibers of the optical fiber triangular bar are straight line type optical fibers, and the optical fiber triangular bar includes a resin support portion supporting the optical fibers of the optical fiber triangular bar. ### Claim 3 (depends on 1) The optical member of claim 1, wherein each of the first and second optical members includes: a first top surface portion, a bottom surface portion opposite to the first top surface portion, and side surfaces connecting the first top surface portion and the bottom surface portion, wherein the chamfer portion is located at a region between the first top surface portion and side surfaces, facing each other, of the first and second optical members. ### Claim 4 (depends on 3) The optical member of claim 3, wherein the optical fiber triangular bar includes: first and second inclined surfaces each corresponding to a chamfer surface of the chamfer portion of each of the first and second optical members, and a second top surface portion connecting the first and second inclined surfaces and parallel with the first top surface portion, and wherein a first angle between a normal line parallel with the first top surface portion and each of the first and second inclined surfaces is equal to a second angle between the normal line and the chamfer surface. ### Claim 5 (depends on 3) The optical member of claim 3, further comprising a resin located at a region between side surfaces, facing each other, of the first and second optical members. ### Claim 6 (depends on 3) The optical member of claim 3, wherein each of the first and second optical members is an entire-surface type optical member located corresponding to an entire surface of each of the first and second display devices, and includes: a first region corresponding to a center portion of each of the first and second display devices, and a second region corresponding to a non-display region of each of the first and second display devices, wherein the optical fibers of each of the first and second optical members include: a first optical fiber located at the first region, and a second optical fiber located at the second region and having a structure different from the first optical fiber, wherein the first optical fiber is a straight line type optical fiber that includes an input portion and an output portion having the same size, and the second optical fiber is a refracting type optical fiber that includes an input portion and an output portion having different sizes. ### Claim 7 (depends on 3) The optical member of claim 3, wherein each of the first and second optical members is a frame type optical member located corresponding to a peripheral portion of each of the first and second display devices, and includes: a transmissive center region corresponding to a center portion of each of the first and second display devices, and a frame portion surrounding the center region, wherein the frame portion includes an inner inclined side surface connecting the first top surface portion and the bottom surface portion. ### Claim 8 A multi-panel display device, comprising: a first display device; a second display device neighboring the first display device; a first optical member located on the first display device and including optical fibers; a second optical member located on the second display device and including optical fibers; and an optical fiber triangular bar located to overlap a region where the first and second optical members are adjacent to each other, and including optical fibers, wherein each of the first and second optical members includes a chamfer portion corresponding to the optical fiber triangular bar at the region where the first and second optical members are adjacent to each other. ### Claim 9 (depends on 8) The device of claim 8, wherein each of the first and second optical members includes a resin support portion supporting the optical fibers thereof, and wherein the optical fibers of the optical fiber triangular bar are straight line type optical fibers, and the optical fiber triangular bar includes a resin support portion supporting the optical fibers of the optical fiber triangular bar. ### Claim 10 (depends on 8) The device of claim 8, wherein each of the first and second optical members includes: a first top surface portion, a bottom surface portion opposite to the first top surface portion, and side surfaces connecting the first top surface portion and the bottom surface portion, wherein the chamfer portion is located at a region between the first top surface portion and side surfaces, facing each other, of the first and second optical members. ### Claim 11 (depends on 10) The device of claim 10, wherein the optical fiber triangular bar includes: first and second inclined surfaces each corresponding to a chamfer surface of the chamfer portion of each of the first and second optical members, and a second top surface portion connecting the first and second inclined surfaces and parallel with the first top surface portion, and wherein a first angle between a normal line parallel with the first top surface portion and each of the first and second inclined surfaces is equal to a second angle between the normal line and the chamfer surface. ### Claim 12 (depends on 10) The device of claim 10, further comprising a resin located at a region between side surfaces, facing each other, of the first and second optical members. ### Claim 13 (depends on 10) The device of claim 10, wherein each of the first and second optical members is an entire-surface type optical member located corresponding to an entire surface of each of the first and second display devices, and includes: a first region corresponding to a center portion of each of the first and second display devices, and a second region corresponding to a non-display region of each of the first and second display devices, wherein the optical fibers of each of the first and second optical members include a first optical fiber located at the first region, and a second optical fiber located at the second region and having a structure different from the first optical fiber, wherein the first optical fiber is a straight line type optical fiber that includes: an input portion and an output portion having a same size, and the second optical fiber is a refracting type optical fiber that includes an input portion and an output portion having different sizes. ### Claim 14 (depends on 10) The device of claim 10, wherein each of the first and second optical members is a frame type optical member located corresponding to a peripheral portion of each of the first and second display devices, and includes: a transmissive center region corresponding to a center portion of each of the first and second display devices, and a frame portion surrounding the center region, wherein the frame portion includes an inner inclined side surface connecting the first top surface portion and the bottom surface portion.