# US 11,299,096 B2 · Rear-view mirror device mounted in a vehicle, vehicle-mounted display device, vehicle-mounted display system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,299,096 B2 - Document ID: US11299096B2 - Status: Granted - Kind: B2 - Application number: 16/366,580 - Filed: 2019-03-27 - Published: 2019-10-03 - Granted: 2022-04-12 - Earliest claimed: 2018-03-29 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Norihito Kitajima; Tomoaki Yamamoto; Yuji Matsumoto - Web page: https://patentgrep.com/patent/US11299096B2 ## CPC - B60R 1/08: involving special optical features, e.g. avoiding blind spots {, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors (B60R1/025, B60R1/10 take precedence)} - B60R 1/12: Mirror assemblies combined with other articles, e.g. clocks - B60R 1/04: mounted inside vehicle {(B60R1/025, B60R1/08 take precedence)} - B60R 1/1207: {with lamps; with turn indicators} - B60R 11/04: Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle - B60R 2001/1253: {with cameras, video cameras or video screens} - B60R 2300/8066: for monitoring rearward traffic - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR ## Abstract A glass plate includes a first arcuate surface at an outer circumferential edge part, the first arcuate surface facing a front surface side. A frame supports the glass plate from a rear surface side and includes a second arcuate surface in a portion toward the glass plate. A display unit is stored in a housing and outputs a display light toward the glass plate. A center C and a radius R of the second arcuate surface are made to be identical to a center C and a radius R of the first arcuate surface, respectively. ## Claims ### Claim 1 A rear-view mirror device comprising: a glass plate that includes a first arcuate surface at an outer circumferential edge part, the first arcuate surface facing a front surface side; a casing that supports the glass plate from a rear surface side, the casing including a housing and a frame that projects from the housing, the frame including a second arcuate surface in a portion extending toward the outer circumferential edge part of the glass plate; a reflective layer provided between the frame and the glass plate; and an adhesive that bonds the reflective layer and the frame, wherein a center and a radius of the second arcuate surface are made to be identical to a center and a radius of the first arcuate surface, respectively, at least a part of the adhesive is located outside of the center of the first arcuate surface, a rear surface of the glass plate and a front surface of the frame face each other at a spaced distance, and the frame further includes: a projection that projects, within the spaced distance, from the front surface of the frame toward the rear surface of the glass plate at an outer circumferential edge part of the front surface of the frame; and a portion of the projection is included in the second arcuate surface. ### Claim 2 (depends on 1) The rear-view mirror device according to claim 1, wherein a thickness between a front surface and the rear surface of the glass plate is smaller than the radius of the first arcuate surface. ### Claim 3 (depends on 2) The rear-view mirror device according to claim 2, wherein a thickness of the glass plate is 1.1 mm or larger, and the radius of the first arcuate surface is 2.5 mm or larger. ### Claim 4 (depends on 1) The rear-view mirror device according to claim 1, wherein a bending fracture strength of the glass plate is 40 MPa or larger, and a Vickers hardness of the glass plate is 500 HV or higher. ### Claim 5 (depends on 1) The rear-view mirror device according to claim 1, wherein the adhesive is attached to the rear surface of the reflective layer and the front surface of the frame, and the at least a part of the adhesive is attached to a part of the rear surface of the reflective layer that is outside the center of the first arcuate surface. ### Claim 6 (depends on 1) The rear-view mirror device according to claim 1, wherein the adhesive directly bonds the reflective layer and the frame. ### Claim 7 (depends on 1) The rear-view mirror device according to claim 1, wherein an inclined part is provided on the rear surface side of the glass plate and is inclined upward from the rear surface of the glass plate toward the first arcuate surface, and the projection projects toward the inclined part. ### Claim 8 A vehicle-mounted display device comprising: a glass plate that includes a first arcuate surface at an outer circumferential edge part, the first arcuate surface facing a front surface side; a casing that supports the glass plate from a rear surface side, the casing including a housing and a frame that projects from the housing, the frame including a second arcuate surface in a portion extending toward the outer circumferential edge part of the glass plate; a display unit stored in the casing and outputting a display light toward the glass plate; and an adhesive that bonds the glass plate and the frame, wherein a center and a radius of the second arcuate surface are made to be identical to a center and a radius of the first arcuate surface, respectively, at least a part of the adhesive is located outside of the center of the first arcuate surface, a rear surface of the glass plate and a front surface of the frame face each other at a spaced distance, and the frame further includes: a projection that projects, within the spaced distance, from the front surface of the frame toward the rear surface of the glass plate at an outer circumferential edge part of the front surface of the frame; and a portion of the projection is included in the second arcuate surface. ### Claim 9 (depends on 8) The vehicle-mounted display device according to claim 8, further comprising: a half mirror part provided between the casing and the glass plate. ### Claim 10 (depends on 9) The vehicle-mounted display device according to claim 9, wherein the adhesive is attached to the rear surface of the half mirror part and the front surface of the frame, and the at least a part of the adhesive is attached to a part of the rear surface of the half mirror part that is outside of the center of the first arcuate surface. ### Claim 11 (depends on 8) The vehicle-mounted display device according to claim 8, wherein a thickness between a front surface and the rear surface of the glass plate is smaller than the radius of the first arcuate surface. ### Claim 12 (depends on 8) The vehicle-mounted display device according to claim 8, wherein a thickness of the glass plate is 1.1 mm or larger, and the radius of the first arcuate surface is 2.5 mm or larger. ### Claim 13 (depends on 8) The vehicle-mounted display device according to claim 8, wherein a bending fracture strength of the glass plate is 40 MPa or larger, and a Vickers hardness of the glass plate is 500 HV or higher. ### Claim 14 (depends on 8) The vehicle-mounted display device according to claim 8, wherein the adhesive is attached to the rear surface of the glass plate and the front surface of the frame, and the at least a part of the adhesive is attached to a part of the rear surface of the glass plate that is outside of the center of the first arcuate surface. ### Claim 15 (depends on 8) The vehicle-mounted display device according to claim 8, wherein the adhesive directly bonds the glass plate and the frame. ### Claim 16 (depends on 8) The rear-view mirror device according to claim 8, wherein an inclined part is provided on the rear surface side of the glass plate and is inclined upward from the rear surface of the glass plate toward the first arcuate surface, and the projection projects toward the inclined part. ### Claim 17 A vehicle-mounted display system comprising: an imaging device that captures an image; and a vehicle-mounted display device that displays the image captured by the imaging device, wherein the vehicle-mounted display device includes: a glass plate that includes a first arcuate surface at an outer circumferential edge part, the first arcuate surface facing the front surface side; a casing that supports the glass plate from a rear surface side, the casing including a housing and a frame that projects from the housing, the frame including a second arcuate surface in a portion extending toward the outer circumferential edge part of the glass plate; a display unit stored in the casing and outputting a display light reflecting the image toward the glass plate; and an adhesive that bonds the glass plate and the casing, wherein a center and a radius of the second arcuate surface are made to be identical to a center and a radius of the first arcuate surface, respectively, at least a part of the adhesive is located outside of the center of the first arcuate surface, a rear surface of the glass plate and a front surface of the frame face each other at a spaced distance, and the frame further includes: a projection that projects, within the spaced distance, from the front surface of the frame toward the rear surface of the glass plate at an outer circumferential edge part of the front surface of the frame; and a portion of the projection is included in the second arcuate surface. ### Claim 18 (depends on 17) A vehicle-mounted display system according to claim 17, wherein the adhesive directly bonds the glass plate and the frame. ### Claim 19 (depends on 17) The rear-view mirror device according to claim 17, wherein an inclined part is provided on the rear surface side of the glass plate and is inclined upward from the rear surface of the glass plate toward the first arcuate surface, and the projection projects toward the inclined part.