# US 11,897,240 B2 · Laminating device and laminating method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,897,240 B2 - Document ID: US11897240B2 - Status: Granted - Kind: B2 - Application number: 17/636,095 - Filed: 2021-04-09 - Published: 2022-09-15 - Granted: 2024-02-13 - Earliest claimed: 2020-05-18 - Assignees: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Inventors: Shaokui Liu; Wei Qing; Wenwei Mo; Qiang Tang; Xingguo Liu; Huiqiang Song; Ren Xiong - Web page: https://patentgrep.com/patent/US11897240B2 ## CPC - B32B 37/0046: {characterised by constructional aspects of the apparatus} - B32B 37/003: {to avoid air inclusion} - B32B 37/10: characterised by the pressing technique, e.g. using action of vacuum or fluid pressure - B32B 37/12: characterised by using adhesives - B32B 38/1866: {conforming the layers or laminate to a convex or concave profile} - B32B 2037/1253: {curable adhesive} - B32B 2457/20: Displays, e.g. liquid crystal displays, plasma displays - B32B 2457/206: Organic displays, e.g. OLED - H10K 2102/311: {Flexible OLED} - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A laminating device and a laminating method are disclosed. The laminating device is used for laminating a flexible panel together with a curved cover plate. The curved cover plate is provided with a central area and an edge bending area located in a first direction in the central area. The laminating device comprises a movable mechanism, which is arranged opposite the curved cover plate in a second direction and comprises: a first movable base table and a second movable base table, which are arranged opposite each other in the first direction; and an elastic supporting member, which is provided with an elastic supporting portion, the elastic supporting portion covering parts of the first movable base table station and the second movable base table station that are close to the curved cover plate, and being used for fixing the flexible panel. ## Claims ### Claim 1 A laminating device for laminating a flexible panel and a curved cover plate, wherein the curved cover plate has a central area and an edge bending area located in a first direction of the central area, comprising: a movable mechanism, wherein the movable mechanism is arranged opposite the curved cover plate in a second direction and comprises: a first movable base table; a second movable base table arranged opposite the first movable base table in the first direction; and an elastic supporting member having an elastic supporting portion, wherein the elastic supporting portion covers on parts of the first movable base table and the second movable base table that are close to the curved cover plate, and is used for fixing the flexible panel, wherein: the movable mechanism is adapted to move in a direction close to the curved cover plate, such that the flexible panel is laminated to the central area; and the first movable base table and the second movable base table are adapted to move in the first direction in directions away from each other, such that the flexible panel is laminated to the edge bending area; a carrier film comprising a laminating portion for laminating with the flexible panel and connecting portions located at opposite two sides of the laminating portion in the first direction, the laminating portion being supported on the elastic supporting portion; and a clamping adjustment mechanism connected with the connecting portion and adapted to apply a clamping force to the connecting portion, such that the laminating portion is laminated to the elastic supporting portion; wherein, when the first movable base table and the second movable base table move in the first direction in directions away from each other, the clamping adjustment mechanism is adapted to reduce the clamping force applied to the connecting portion, wherein an adhesive layer for adhering to the flexible panel is provided on the laminating portion, and wherein the first movable base table and the second movable base table comprise a supporting table covered with the elastic supporting portion and a fixing table located on the supporting table away from the elastic supporting portion, surfaces of the supporting table of the first movable base table and the supporting table of the second movable base table facing each other are provided with a sawtooth structure and engage with each other. ### Claim 2 (depends on 1) The laminating device according to claim 1, wherein the movable mechanism further comprises: a first fixing slide rail, wherein the first movable base table is slidably mounted on the first fixing slide rail, and the first movable base table slides relative to the first fixing slide rail in the first direction; a second fixing slide rail, wherein the second movable base table is slidably mounted on the second fixing slide rail, and the second movable base table slides relative to the second fixing slide rail in the first direction; a movable base, having a first pushing inclined surface cooperated with the first movable base table and a second pushing inclined surface cooperated with the second movable base table; a first driving member, connected with the movable base, and configured to drive the movable base to move in a direction close to or away from the central area of the curved cover plate; wherein, when the first driving member drives the movable base to move in a direction close to the central area of the curved cover plate, the first pushing inclined surface and the second pushing inclined surface respectively push the first movable base table and the second movable base table to move in the first direction in directions away from each other. ### Claim 3 (depends on 2) The laminating device according to claim 2, wherein a reset elastic member is further provided in the first movable base table and the second movable base table, wherein, when the first driving member drives the movable base to move in a direction close to the central area of the curved cover plate, the first movable base table and the second movable base table move in the first direction in directions away from each other, and the reset elastic member is elastically deformed; when the first driving member drives the movable base to move in a direction away from the central area of the curved cover plate, the reset elastic member restores elastic deformation, to drive the first movable base table and the second movable base table to move in the first direction in directions close to each other. ### Claim 4 (depends on 3) The laminating device according to claim 3, wherein: the elastic supporting member further comprises a fixing portion extending from two ends of the elastic supporting portion to a direction close to the fixing table, the fixing portion is connected with the fixing table, such that the elastic supporting member is fixed on the first movable base table and the second movable base table. ### Claim 5 (depends on 3) The laminating device according to claim 3, wherein the elastic supporting member is a silicone member. ### Claim 6 (depends on 2) The laminating device according to claim 2, wherein: the elastic supporting member further comprises a fixing portion extending from two ends of the elastic supporting portion to a direction close to the fixing table, the fixing portion is connected with the fixing table, such that the elastic supporting member is fixed on the first movable base table and the second movable base table. ### Claim 7 (depends on 2) The laminating device according to claim 2, wherein the elastic supporting member is a silicone member. ### Claim 8 (depends on 1) The laminating device of claim 1, wherein the movable mechanism further comprises: a second driving member connected to the first movable base table, and configured to drive the first movable base table to move in the first direction in directions close to or away from the second movable base table; and a third driving member connected to the second movable base table, and configured to drive the second movable base table to move in the first direction in directions close to or away from the first movable base table. ### Claim 9 (depends on 8) The laminating device according to claim 8, wherein: the elastic supporting member further comprises a fixing portion extending from two ends of the elastic supporting portion to a direction close to the fixing table, the fixing portion is connected with the fixing table, such that the elastic supporting member is fixed on the first movable base table and the second movable base table. ### Claim 10 (depends on 8) The laminating device according to claim 8, wherein the elastic supporting member is a silicone member. ### Claim 11 (depends on 1) The laminating device according to claim 1, wherein: the elastic supporting member further comprises a fixing portion extending from two ends of the elastic supporting portion to a direction close to the fixing table, the fixing portion is connected with the fixing table, such that the elastic supporting member is fixed on the first movable base table and the second movable base table. ### Claim 12 (depends on 11) The laminating device according to claim 11, wherein the sawtooth structure is formed by splicing a plurality of tooth parts in sequence, and shapes of the plurality of tooth parts are at least one of a rectangle and a circular arc. ### Claim 13 (depends on 11) The laminating device according to claim 11, wherein: the fixing portion has a first extending section and a second extending section; one end of the first extending section is connected with the second extending section, and the other end of the first extending section is inclined in a direction away from a center of the elastic supporting portion and is connected with the end of the elastic supporting portion; and the second extending section is provided with a fixing hole, and the fixing hole is used for one end of a locking piece to pass through and connected with the fixing table. ### Claim 14 (depends on 11) The laminating device according to claim 11, wherein the elastic supporting member is a silicone member. ### Claim 15 (depends on 1) The laminating device according to claim 1, wherein: the central area of the curved cover plate is a flat area; the elastic supporting portion has a flat portion and edge bending portions located at opposite two sides of the flat portion in the first direction; the flat portion is used for applying a pressure to the flexible panel, such that the flexible panel is laminated with the central area of the curved cover plate; and the edge bending portion is used for applying a pressure to the flexible panel, such that the flexible panel is laminated to the edge bending area of the curved cover plate. ### Claim 16 (depends on 1) The laminating device according to claim 1, wherein the elastic supporting member is a silicone member. ### Claim 17 A laminating method for laminating a flexible panel and a curved cover plate, comprising: providing the flexible panel and the curved cover plate, wherein the curved cover plate has a central area and an edge bending area located in a first direction of the central area; providing a laminating device, wherein the laminating device comprises a movable mechanism, the movable mechanism is arranged opposite the curved cover plate in a second direction and comprises: a first movable base table; a second movable base table arranged opposite the first movable base table in the first direction; an elastic supporting member having an elastic supporting portion, wherein the elastic supporting portion covers on parts of the first movable base table and the second movable base table that are close to the curved cover plate, and is used for fixing the flexible panel, wherein the movable mechanism is adapted to move in a direction close to the curved cover plate such that the flexible panel is laminated to the central area; the first movable base table and the second movable base table are adapted to move in the first direction in directions away from each other such that the flexible panel is laminated to the edge bending area; fixing the curved cover plate; arranging the movable mechanism opposite to the curved cover plate; fixing the flexible panel on the elastic supporting portion; driving the movable mechanism to move in a direction close to the curved cover plate, such that the flexible panel is laminated with the central area; and after the flexible panel is laminated with the central area, driving the first movable base table and the second movable base table to move in the first direction in directions away from each other such that the flexible panel is laminated with the edge bending area, wherein, when applied to the laminating device, the laminating device further comprises a carrier film and a clamping adjustment mechanism, the carrier film comprising a laminating portion for laminating with the flexible panel and connecting portions located at opposite two sides of the laminating portion in the first direction, and the laminating portion being supported on the elastic supporting portion, and an adhesive layer for adhering to the flexible panel is provided on the laminating portion; wherein the clamping adjustment mechanism is connected with the connecting portion and adapted to apply a clamping force to the connecting portion, such that the laminating portion is laminated to the elastic supporting portion; wherein, when the first movable base table and the second movable base table move in the first direction in directions away from each other, the clamping adjustment mechanism is adapted to reduce the clamping force applied to the connecting portion and, when the first movable base table and the second movable base table are driven to move in the first direction in directions away from each other, a clamping force applied on the connecting portion is reduced by the clamping adjustment mechanism, wherein the first movable base table and the second movable base table comprise a supporting table covered with the elastic supporting portion and a fixing table located on the supporting table away from the elastic supporting portion, surfaces of the supporting table of the first movable base table and the supporting table of the second movable base table facing each other are provided with a sawtooth structure and engage with each other.