# US 10,767,808 B2 · Variable curved surface bracket structure and curved display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,808 B2 - Document ID: US10767808B2 - Status: Granted - Kind: B2 - Application number: 15/754,583 - Filed: 2018-01-24 - Published: 2019-12-19 - Granted: 2020-09-08 - Earliest claimed: 2018-01-12 - Assignees: Huizhou China Star Optoelectronics Technologies Co., Ltd. - Applicants: Huizhou China Star Optoelectronics Technology Co., Ltd. - Inventors: Dehua Li; Gang Yu - Web page: https://patentgrep.com/patent/US10767808B2 ## CPC - F16M 11/18: with mechanism for moving the apparatus relatively to the stand - F16M 11/04: Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand - F16M 11/22: with approximately constant height, e.g. with constant length of column or of legs (F16M11/42 takes precedence) - G02F 1/133305: {Flexible substrates, e.g. plastics, organic film} - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - F16M 2200/08: Foot or support base - G02F 1/133328: {Segmented frames} - G09F 9/35: being liquid crystals (G09F9/302 takes precedence; liquid crystal materials C09K19/00; {liquid crystal panels comprising a number of electrodes in a single cell per se G02F1/13}) - F16M: FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS - 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 - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS ## Abstract A variable curved surface bracket structure is provided, including a base and a bracket, and the bracket is in contact with the back of the display screen; the bracket includes a fixed sheet and moving sheets respectively hinged on two sides of the fixed sheet. The variable curved surface bracket structure further includes a moving mechanism, disposed on the base and drivingly connected to the moving sheets to make the moving sheets rotate forward or backward relative to the fixed sheet. The moving mechanism includes a pushrod structure arranged on the base and includes a retractable pushrod and a driving device drivingly connected to the pushrod; at least a linkage strut assembly including at least a connecting rod and at least a strut. The disclosure allows the curvature of the display screen in contact with the bracket to be adjustable, curved or planar, to meet different viewing needs. ## Claims ### Claim 1 A variable curved surface bracket structure comprising: a base; and a bracket arranged on the base; wherein the bracket is in contact with a back of a display screen, and the bracket comprises a fixed sheet and a plurality of moving sheets respectively hinged on two sides of the fixed sheet; wherein the variable curved bracket structure further comprises a moving mechanism, disposed on the base and drivingly connected to the moving sheets to make the moving sheets rotate forward or backward relative to the fixed sheet; and wherein the moving mechanism comprises: a pushrod structure, arranged on the base, comprising a retractable pushrod and a driving device drivingly connected to the pushrod; at least a linkage strut assembly comprises at least a connecting rod and at least a strut, wherein an end of the connecting rod is rotatably connected to the pushrod and another end of the connecting rod is connected to the strut, two ends of the strut are respectively connected to the moving sheets respectively hinged on two sides of the fixed sheet. ### Claim 2 (depends on 1) The variable curved surface bracket structure according to claim 1, wherein the linkage strut assembly further comprises a rod bush and a plurality of cam wheels, the rod bush is arranged on the fixed sheet, the strut penetrates into the rod bush and rotates relative to the rod bush, the two ends of the strut are respectively disposed with the cam wheels and abut against the moving sheets, the cam wheels rotate to push the moving sheets forward or to move the moving sheets backward. ### Claim 3 (depends on 2) The variable curved surface bracket structure according to claim 2, wherein the linkage strut assembly comprises two sets, respectively arranged on upper and lower sides of the bracket. ### Claim 4 (depends on 3) The variable curved surface bracket structure according to claim 3, wherein each of the linkage strut assemblies comprises a first connecting rod, a second connecting rod, a first strut, a second strut, a first rod bush, a first cam wheel, and a second cam wheel, the first strut and the second strut both penetrate into the first rod bush, an end of the first connecting rod is rotatably connected to a side of the pushrod, another end of the first connecting rod is connected to the first strut, an end of the second connecting rod is rotatably connected to a side of the pushrod opposite to the side of the pushrod connected to the first connecting rod, another end of the second connecting rod is connected to the second strut, the first cam wheel is arranged on a rod end of a side of the first strut opposite to a side of the first strut connected to the first connecting rod, and the second cam wheel is arranged on a rod end of a side of the second strut opposite to a side of the second strut connected to the second connecting rod; wherein the moving sheets comprise a first moving sheet and a second moving sheet, the first moving sheet is hinged with a side of the fixed sheet adjacent to the first cam wheel and abuts against the first cam wheel, and the second moving sheet is hinged with a side of the fixed sheet adjacent to the second cam wheel and abuts against the second cam wheel. ### Claim 5 (depends on 4) The variable curved surface bracket structure according to claim 4, wherein a first transfer rod is rotatably connected between the first connecting rods of the two sets of the linkage strut assemblies, a second transfer rod is rotatably connected between the second connecting rods of the two sets of the linkage strut assemblies; a balance rod is also connected between the first transfer rod and the second transfer rod. ### Claim 6 (depends on 5) The variable curved surface bracket structure according to claim 5, wherein the first connecting rod, the second connecting rod, and the pushrod are further disposed with a sliding groove at a rotating connection, the pushrod is disposed with a pin, and the pin penetrates into the sliding groove of the first connecting rod and the second connecting rod fixed on an upper side of the fixed sheet. ### Claim 7 (depends on 1) The variable curved surface bracket structure according to claim 1, wherein a plurality of elastic hinges is disposed at a hinged junction of the fixed sheet and the moving sheets. ### Claim 8 (depends on 1) The variable curved surface bracket structure according to claim 1, wherein each of the moving sheets is disposed with a screen supporting barb. ### Claim 9 (depends on 1) The variable curved surface bracket structure according to claim 1, wherein the driving device is driven by an electric motor, and the electric motor is electrically connected to a control circuit to control stretching of a pushrod. ### Claim 10 A curved display device comprising: a variable curved surface bracket structure; and a display screen mounted on the variable curved surface bracket structure; wherein the variable curved surface bracket structure comprises a base and a bracket arranged on the base, wherein the bracket is in contact with a back of the display screen; wherein the bracket comprises a fixed sheet and moving sheets respectively hinged on two sides of the fixed sheet; wherein the variable curved surface bracket structure further comprises a moving mechanism, disposed on the base and drivingly connected to the moving sheets to make the moving sheets rotate forward or backward relative to the fixed sheet so as to adjust a curvature of the display screen; and wherein the moving mechanism comprises a pushrod structure, arranged on the base, comprising a retractable pushrod and a driving device drivingly connected to the pushrod and at least a linkage strut assembly comprising at least a connecting rod and at least a strut, wherein an end of the connecting rod is rotatably connected to a side of the pushrod, another end of the connecting rod is connected to the strut, the two ends of the strut are respectively connected to the moving sheets respectively hinged on two sides of the fixed sheet. ### Claim 11 (depends on 10) The curved display device according to claim 10, wherein the linkage strut assembly further comprises a rod bush and cam wheels, the rod bush is arranged on the fixed sheet, the strut penetrates into the rod bush and rotates relative to the rod bush, two ends of the strut are respectively disposed with the cam wheels and abuts against the moving sheets, the cam wheels rotate to push the moving sheets forward or to move the moving sheets backward. ### Claim 12 (depends on 11) The curved display device according to claim 11, wherein the linkage strut assembly comprises two sets, respectively arranged on upper and lower sides of the bracket. ### Claim 13 (depends on 12) The curved display device according to claim 12, wherein each of the linkage strut assemblies comprises a first connecting rod, a second connecting rod, a first strut, a second strut, a first rod bush, a first cam wheel, and a second cam wheel, the first strut and the second strut both penetrate into the first rod bush, an end of the first connecting rod is rotatably connected to a side of the pushrod, another end of the first connecting rod is connected to the first strut, an end of the second connecting rod is rotatably connected to a side of the pushrod opposite to the side of the pushrod connected to the first connecting rod, another end of the second connecting rod is connected to the second strut, the first cam wheel is arranged on a rod end of a side of the first strut opposite to a side of the first strut connected to the first connecting rod, and the second cam wheel is arranged on a rod end of a side of the second strut opposite to a side of the second strut connected to the second connecting rod; wherein the moving sheets comprise a first moving sheet and a second moving sheet, the first moving sheet is hinged with a side of the fixed sheet adjacent to the first cam wheel and abuts against the first cam wheel, and the second moving sheet is hinged with a side of the fixed sheet adjacent to the second cam wheel and abuts against the second cam wheel. ### Claim 14 (depends on 13) The curved display device according to claim 13, wherein a first transfer rod is rotatably connected between the first connecting rods of the two sets of the linkage strut assemblies, a second transfer rod is rotatably connected between the second connecting rods of the two sets of the linkage strut assemblies; and a balance rod is also connected between the first transfer rod and the second transfer rod. ### Claim 15 (depends on 14) The curved display device according to claim 14, wherein the first connecting rod, the second connecting rod, and the pushrod are further disposed with a sliding groove at a rotating connection, the pushrod is disposed with a pin, and the pin penetrates the sliding groove of the first connecting rod and the second connecting rod fixed on an upper side of the fixed sheet. ### Claim 16 (depends on 10) The curved display device according to claim 10, wherein a plurality of elastic hinges is disposed at a hinged junction of the fixed sheet and the moving sheets. ### Claim 17 (depends on 10) The curved display device according to claim 10, wherein each of the moving sheets is disposed with a screen supporting barb. ### Claim 18 (depends on 10) The curved display device according to claim 10, wherein the driving device is driven by an electric motor, and the electric motor is electrically connected to a control circuit to control stretching of a pushrod.