# US 12,001,242 B2 · Electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,001,242 B2 - Document ID: US12001242B2 - Status: Granted - Kind: B2 - Application number: 17/499,286 - Filed: 2021-10-12 - Published: 2022-07-21 - Granted: 2024-06-04 - Earliest claimed: 2021-01-21 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Hyunjun Cho; Kyu Young Kim; Yong-Kwan Kim; Hansun Ryou; Yonghyuck Lee; Hongkwan Lee; Sohra Han - Web page: https://patentgrep.com/patent/US12001242B2 ## CPC - G06F 1/1641: {the display being formed by a plurality of foldable display components (G06F1/1647 takes precedence)} - G02B 1/14: Protective coatings, e.g. hard coatings - G06F 1/1616: {with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position} - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G06F 1/1681: {Details related solely to hinges (hinge details related to the transmission of signals or power are classified in G06F1/1683)} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract An electronic device includes a display module, and a support plate disposed under the display module and comprising reinforced fibers having long axes arranged in parallel to a direction. The electronic device is divided into a folding area foldable with respect to a folding axis extending in the direction, and a non-folding area adjacent to the folding area. ## Claims ### Claim 1 An electronic device comprising: a display module; and a support plate disposed under the display module and comprising a plurality of reinforced fibers that have long axes, wherein the electronic device includes: a folding area foldable with respect to a folding axis extending in a first direction, and a non-folding area adjacent to the folding area, wherein all of the long axes of the plurality of reinforced fibers are parallel to the first direction. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the reinforced fibers comprise carbon fibers or glass fibers. ### Claim 3 (depends on 1) The electronic device of claim 1, wherein the support plate comprises a matrix part, the matrix part comprising a thermoplastic resin, and the reinforced fibers are dispersed in the matrix part. ### Claim 4 (depends on 1) The electronic device of claim 1, wherein the support plate comprises a first sub-support plate and a second sub-support plate, which are laminated in a thickness direction of the electronic device when the electronic device is in an unfolded state, the first sub-support plate comprises first reinforced fibers having long axes perpendicular to the folding axis, and the second sub-support plate comprises second reinforced fibers having long axes parallel to the folding axis. ### Claim 5 An electronic device comprising: a display module; and a support plate disposed under the display module and comprising a plurality of reinforced fibers that have long axes parallel to a direction, wherein the electronic device includes: a folding area foldable with respect to a folding axis extending in the direction, and a non-folding area adjacent to the folding area, wherein the support plate comprises three or more sub-support plates that are laminated in a thickness direction of the electronic device, and in the sub-support plates that are laminated, each of an uppermost sub-support plate of the three or more sub-support plates that is adjacent to the display module and a lowermost sub-support plate of the three or more sub-support plates that is spaced apart from the display module comprises reinforced fibers having long axes parallel to the direction. ### Claim 6 (depends on 5) The electronic device of claim 5, wherein the support plate comprises at least one transverse sub-support plate disposed between the uppermost sub-support plate and the lowermost sub-support plate, the at least one transverse sub-support plate comprising reinforced fibers that have long axes perpendicular to the direction. ### Claim 7 (depends on 1) The electronic device of claim 1, wherein the support plate comprises n sub-support plates that are sequentially laminated in a direction of the display module, the n sub-support plates comprise a longitudinal sub-support plate and a transverse sub-support plate, which are alternately laminated, the longitudinal sub-support plate comprises reinforced fibers having long axes arranged in the first direction, the transverse sub-support plate comprises reinforced fibers having long axes arranged in a second direction perpendicular to the first direction, and each of an n-th sub-support plate adjacent to the display module and a first sub-support plate spaced apart from the display module are provided as the longitudinal sub-support plate, where the n is an odd number of 3 or more. ### Claim 8 (depends on 1) The electronic device of claim 1, wherein the display module comprises: a folding display part corresponding to the folding area; and a first non-folding display part and a second non-folding display part corresponding to the non-folding area and spaced apart from each other with the folding display part disposed between the first and second non-folding display parts, and the support plate comprises: a first plate overlapping the first non-folding display part; and a second plate overlapping the second non-folding display parts and spaced apart from the first plate. ### Claim 9 An electronic device comprising: a display module; and a support plate disposed under the display module and comprising a plurality of reinforced fibers that have long axes, wherein the electronic device includes: a folding area foldable with respect to a folding axis extending in a first direction, and a non-folding area adjacent to the folding area, the support plate comprises: a plate folding part corresponding to the folding area; and a plate non-folding part corresponding to the non-folding area, and a plurality of openings are formed in the plate folding part, and wherein all of the long axes of the plurality of reinforced fibers are parallel to the first direction. ### Claim 10 (depends on 9) The electronic device of claim 9, wherein a width of each of the plurality of openings in a direction parallel to the first direction is greater than a width of each of the plurality of openings in another direction perpendicular to the first direction. ### Claim 11 (depends on 1) The electronic device of claim 1, further comprising: a support member disposed under the support plate, the support member comprising at least one of a support layer and a cushion layer. ### Claim 12 (depends on 11) The electronic device of claim 11, wherein the support layer comprises a metal material or a reinforced fiber composite. ### Claim 13 (depends on 11) The electronic device of claim 11, wherein the cushion layer comprises at least one of an acrylic-based polymer, a urethane-based polymer, a silicon-based polymer, and an imide-based polymer. ### Claim 14 (depends on 1) The electronic device of claim 1, further comprising a protective layer disposed between the display module and the support plate, the protective layer comprising a polyimide film or a polyethylene terephthalate film. ### Claim 15 An electronic device comprising: a display module comprising: a folding display part foldable with respect to a folding axis extending in a first direction; and a first non-folding display part and a second non-folding display part spaced apart from each other in a second direction perpendicular to the first direction with the folding display part disposed between the first and second non-folding display parts; and a support plate disposed under the display module and comprising reinforced fibers aligned in a direction, wherein the support plate comprises: a first sub-support plate comprising reinforced fibers that have long axes arranged in the second direction; a second sub-support plate disposed between the first sub-support plate and the display module, the second sub-support plate comprising reinforced fibers that have long axes parallel to the first direction; and a third sub-support plate disposed under the first sub-support plate and comprising reinforced fibers that have long axes parallel to the first direction. ### Claim 16 (depends on 15) The electronic device of claim 15, wherein the support plate comprises: a fourth sub-support plate disposed under the third sub-support plate and comprising reinforced fibers that have long axes parallel to the first direction; and a fifth sub-support plate disposed between the third sub-support plate and the fourth sub-support plate, the fifth sub-support plate comprising reinforced fibers that have long axes parallel to the second direction. ### Claim 17 (depends on 15) The electronic device of claim 15, wherein the folding axis extends parallel to a short side of the display module or extends parallel to a long side of the display module. ### Claim 18 (depends on 15) The electronic device of claim 15, wherein the support plate comprises a plate folding part in which a plurality of openings are formed, and the plate folding part overlaps the folding display part. ### Claim 19 (depends on 18) The electronic device of claim 18, wherein a width of each of the plurality of openings in the first direction is greater than a width of each of the plurality of openings in the second direction. ### Claim 20 (depends on 15) The electronic device of claim 15, wherein a plurality of openings are formed in each of the first to third sub-support plates to correspond to the folding display part. ### Claim 21 (depends on 1) The electronic device of claim 1, further comprising an adhesive layer directly disposed on a main surface of the support plate.