# US 2024/0201542 A1 · Light-adjusting structure, light-adjusting glass and edge sealing process thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0201542 A1 - Document ID: US20240201542A1 - Status: Published application - Kind: A1 - Application number: 18/554,584 - Filed: 2022-05-10 - Published: 2024-06-20 - Earliest claimed: 2021-05-12 - Assignees: Saint-Gobain Glass France - Applicants: Saint-Gobain Glass France - Inventors: Siteng MA; Lu WANG - Web page: https://patentgrep.com/patent/US20240201542A1 ## CPC - G02F 1/1339: Gaskets; Spacers; Sealing of cells - B32B 17/10036: {comprising two outer glass sheets} - B32B 17/10302: {Edge sealing} - B32B 17/10504: {Liquid crystal layer} - B32B 17/10513: {Electrochromic layer} - B32B 17/10532: {Suspended particle layer} - B32B 17/10761: {containing vinyl acetal} - B32B 17/10871: {in combination with particular heat treatment} - G02F 1/1334: based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals - G02F 1/161: Gaskets; Spacers; Sealing of cells; Filling or closing of cells - B05D 3/067: {Curing or cross-linking the coating} - B05D 2203/35: Glass - B05D 2252/00: Sheets - G02F 1/134309: {characterised by their geometrical arrangement} - G02F 1/169: based on orientable non-spherical particles having a common optical characteristic, e.g. suspended particles of reflective metal flakes - 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 - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02) ## Abstract A light-adjusting structure includes a first base layer and a second base layer, a first conductive layer and a second conductive layer sandwiched between the first base layer and the second base layer, the first conductive layer being attached to the first base layer and the second conductive layer being attached to the second base layer; and a light-adjusting layer sandwiched between the first conductive layer and the second conductive layer; wherein the light-adjusting structure is provided with an edge-sealing area which penetrates through at least a part of the first base layer, the first conductive layer, the light-adjusting layer and/or at least a part of the second base layer, the second conductive layer and the light-adjusting layer, and the edge-sealing area is configured to be matched with a first edge-sealing material or provided with the first edge-sealing material. ## Claims ### Claim 1 A light-adjusting structure comprising: a first base layer and a second base layer; a first conductive layer and a second conductive layer sandwiched between the first base layer and the second base layer, the first conductive layer being attached to the first base layer and the second conductive layer being attached to the second base layer; and a light-adjusting layer sandwiched between the first conductive layer and the second conductive layer; wherein the light-adjusting structure is provided with an edge-sealing area which penetrates through at least a part of the first base layer, the first conductive layer, the light-adjusting layer and/or at least a part of the second base layer, the second conductive layer and the light-adjusting layer, and the edge-sealing area is configured to be matched with a first edge-sealing material or provided with the first edge-sealing material. ### Claim 2 (depends on 1) The light-adjusting structure according to claim 1, wherein the light-adjusting layer comprises a polymer dispersed liquid crystal, a suspended particle device, an electrochromic layer or a liquid crystal layer. ### Claim 3 (depends on 1) The light-adjusting structure according to claim 1, wherein the edge-sealing area is configured as an edge-sealing groove adjacent to an edge of the light-adjusting structure or an edge-sealing step arranged on the edge. ### Claim 4 (depends on 1) The light-adjusting structure according to claim 1, wherein the first edge-sealing material is a transparent material selected from at least one of epoxy adhesive, acrylate adhesive, polyurethane adhesive and silicone adhesive. ### Claim 5 (depends on 1) The light-adjusting structure according to claim 1, wherein the first base layer and the second base layer are transparent materials selected from at least one of polyethylene terephthalate and polyvinyl chloride. ### Claim 6 (depends on 1) The light-adjusting structure according to claim 1, wherein the first conductive layer and the second conductive layer are transparent materials selected from at least one of indium tin oxide, copper mesh, silver screen printing, conductive nanoparticles, conductive polymer and doped inorganic oxide. ### Claim 7 (depends on 1) An edge sealing process of a light-adjusting structure, which is used for edge sealing the light-adjusting structure according to claim 1, wherein the edge sealing process comprises: cutting through at least a part of the first base layer, the first conductive layer and the light-adjusting layer and/or at least a part of the second base layer, the second conductive layer and the light-adjusting layer of the light-adjusting structure to form the edge-sealing area; gluing by coating the first edge-sealing material on the edge-sealing area, and curing the first edge-sealing material to form an edge sealing. ### Claim 8 (depends on 7) The edge sealing process of a light-adjusting structure according to claim 7, further comprising cleaning the edge-sealing area with a solvent after the cutting. ### Claim 9 (depends on 8) The edge sealing process of a light-adjusting structure according to claim 8, wherein the solvent comprises alcohol or acetone. ### Claim 10 (depends on 7) The edge sealing process of a light-adjusting structure according to claim 7, wherein the first edge-sealing material is cured by one or a combination of thermal curing, light curing and environmental curing. ### Claim 11 A light-adjusting glass comprising a first glass, a second glass and an intermediate layer arranged between the first glass and the second glass, the intermediate layer comprising a first intermediate layer attached to the first glass and a second intermediate layer attached to the second glass, wherein a light-adjusting structure is arranged between the first intermediate layer and the second intermediate layer, and an edge of the light-adjusting structure is attached to the first intermediate layer and the second intermediate layer via a second edge-sealing material. ### Claim 12 (depends on 11) The light-adjusting glass according to claim 11, wherein the light-adjusting structure is provided with an edge-sealing area, and the edge-sealing area is configured to be matched with a first edge-sealing material or provided with the first edge-sealing material. ### Claim 13 (depends on 11) The light-adjusting glass according to claim 11, further comprising a third edge-sealing material attached to an edge of the first intermediate layer and/or a fourth edge-sealing material attached to an edge of the second intermediate layer. ### Claim 14 (depends on 13) The light-adjusting glass according to claim 13, wherein the second edge-sealing material, the third edge-sealing material and the fourth edge-sealing material correspond to annular shapes, and wherein inner edges of the annular shapes corresponding to the third edge-sealing material and the fourth edge-sealing material are indented relative to an inner edge of the annular shape corresponding to the second edge-sealing material. ### Claim 15 (depends on 11) The light-adjusting glass according to claim 11, wherein the second edge-sealing material is configured as a film layer sandwiched between the first intermediate layer and the light-adjusting structure and between the second intermediate layer and the light-adjusting structure adjacent to the edge of the light-adjusting structure, and the film layer extends beyond the edge of the light-adjusting structure and covers the edge of the light-adjusting structure during the lamination process of the light-adjusting glass. ### Claim 16 (depends on 11) The light-adjusting glass according to claim 11, further comprising a picture frame structure arranged between the first glass and the first intermediate layer, or between the second glass and the second intermediate layer. ### Claim 17 (depends on 15) The light-adjusting glass according to claim 15, further comprising a picture frame structure arranged between the first intermediate layer and the second intermediate layer, and an edge of the second edge-sealing material extending beyond the light-adjusting structure is overlapped on the picture frame structure. ### Claim 18 (depends on 11) The light-adjusting glass according to claim 11, wherein the second edge-sealing material is configured as a U-shaped structure sandwiched between the first intermediate layer and the second intermediate layer adjacent to the edge of the light-adjusting structure and covering the edge of the light-adjusting structure. ### Claim 19 (depends on 18) The light-adjusting glass according to claim 18, further comprising a picture frame structure arranged between the first intermediate layer and the second intermediate layer. ### Claim 20 (depends on 11) The light-adjusting glass according to claim 11, wherein the second edge-sealing material is a transparent material selected from at least one of epoxy adhesive, acrylate adhesive, polyurethane adhesive, silicone adhesive, ethylene-vinyl acetate copolymer, polyethylene terephthalate and polyolefin elastomer. ### Claim 21 (depends on 11) An edge sealing process of a light-adjusting glass, which is used for edge sealing the light-adjusting glass according to claim 11, wherein the edge sealing process comprises: carrying out an overlapping by sandwiching the light-adjusting structure between the first intermediate layer and the second intermediate layer, and sandwiching the first intermediate layer and the second intermediate layer between the first glass and the second glass; carrying out an arrangement by arranging the second edge-sealing material on the edge of the light-adjusting structure during the overlapping process to obtain an attached light-adjusting structure; carrying out a lamination by vacuumizing the first glass, the first intermediate layer, the attached light-adjusting structure, the second intermediate layer and the second glass which are overlapped and sending the same into an autoclave for heating and laminating. ### Claim 22 (depends on 21) The edge sealing process of a light-adjusting glass according to claim 21, wherein the arrangement further comprises: arranging a third edge-sealing material on an edge of the first intermediate layer and/or arranging a fourth edge-sealing material on an edge of the second intermediate layer during the overlapping process to obtain an attached first intermediate layer and/or an attached second intermediate layer; the lamination further comprises: vacuumizing the first glass, the first intermediate layer or the attached first intermediate layer, the attached light-adjusting structure, the second intermediate layer or the attached second intermediate layer and the second glass which are overlapped and sending the same into an autoclave for heating and laminating. ### Claim 23 (depends on 21) The edge sealing process of a light-adjusting glass according to claim 21, wherein in the arrangement, the second edge-sealing material is sandwiched between the first intermediate layer and the light-adjusting structure and between the second intermediate layer and the light-adjusting structure adjacent to the edge of the light-adjusting structure, and extends beyond the edge of the light-adjusting structure; in the lamination, the extended portion of the second edge-sealing material covers the edge of the light-adjusting structure. ### Claim 24 (depends on 21) The edge sealing process of a light-adjusting glass according to claim 21, wherein in the overlapping or the arrangement, a picture frame structure is sandwiched between the first glass and the first intermediate layer or between the second glass and the second intermediate layer; in the lamination, the attached light-adjusting structure is positioned in the picture frame structure. ### Claim 25 (depends on 23) The edge sealing process of a light-adjusting glass according to claim 23, wherein in the overlapping or the arrangement, a picture frame structure is sandwiched between the first intermediate layer and the second intermediate layer, and an edge of the second edge-sealing material extending beyond the light-adjusting structure is overlapped on the picture frame structure; in the lamination, the covered light-adjusting structure is positioned in the picture frame structure. ### Claim 26 (depends on 21) the edge sealing process of a light-adjusting glass according to claim 21, wherein in the arrangement, the second edge-sealing material is sandwiched between the first intermediate layer and the second intermediate layer adjacent to the edge of the light-adjusting structure, and covers the edge of the light-adjusting structure to form a U-shaped structure; in the lamination, the second edge-sealing material covers the edge of the light-adjusting structure. ### Claim 27 (depends on 26) The edge sealing process of a light-adjusting glass according to claim 26, wherein in the overlapping or the arrangement, a picture frame structure is sandwiched between the first intermediate layer and the second intermediate layer; in the lamination, the covered light-adjusting structure is positioned in the picture frame structure.