# US 12,111,526 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,111,526 B2 - Document ID: US12111526B2 - Status: Granted - Kind: B2 - Application number: 17/962,080 - Filed: 2022-10-07 - Published: 2023-04-13 - Granted: 2024-10-08 - Earliest claimed: 2021-10-11 - Assignees: Yazaki Corporation - Applicants: Yazaki Corporation - Inventors: Junichi Ikumi; Masaaki Sano; Naoki Ueno; Akira Masuda; Takahiro Shimada; Takeshi Iwamoto; Shota Kosuga; Ryuta Suzuki; Satoru Kanazawa; Junnosuke Nishimura - Web page: https://patentgrep.com/patent/US12111526B2 ## CPC - B60K 35/213: {Virtual instruments} - G02F 1/13332: {Front frames} - B60K 35/22: Display screens - B60K 35/50: Instruments characterised by their means of attachment to or integration in the vehicle (B60K35/231 takes precedence) - B60K 35/60: Instruments characterised by their location or relative disposition in or on vehicles (arrangements of lighting devices on dashboards B60Q3/10) - B60K 37/20: Dashboard panels - G02F 1/133314: {Back frames} - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - B60K 2360/691: Housings - B60K 2360/693: Cover plate features - B60K 2360/96: by assembling - G08B 5/36: using visible light sources - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - 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 - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS ## Abstract A display device includes a display panel in which a display screen and an indicator region are two-dimensionally arranged, an indicator substrate which is mounted with a light source component and which is arranged on a back face side of the display panel so as to face the indicator region but not to face the display screen, and a control substrate which is a separate part from the indicator substrate and on which a control circuit for the display screen is formed. The control substrate is arranged on the back face side of the display panel and arranged distant from the display panel than the indicator substrate, and the control substrate is arranged so as not to face at least a portion of each of the display screen and the indicator substrate. ## Claims ### Claim 1 A display device comprising: a display panel in which a display screen and an indicator region are two-dimensionally arranged; an indicator substrate mounted with a light source component, the indicator substrate being arranged on a back face side of the display panel so as to face the indicator region but not to face the display screen; and a control substrate which is a separate part from the indicator substrate and on which a control circuit for the display screen is formed, the control substrate being arranged on the back face side of the display panel and arranged distant from the display panel than the indicator substrate, and the control substrate being arranged so as not to face at least a portion of each of the display screen and the indicator substrate. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the display panel is configured to be installed in an upright position in which the display panel is arranged to stand on a predetermined installation place, the indicator region of the display panel is disposed at a position shifted from the display screen in a right-left direction with respect to the upright position, and with respect to an up-down direction with respect to the upright position, the control substrate is arranged so as not to face a portion on an upper end side of each of the display screen and the indicator substrate. ### Claim 3 (depends on 1) The display device according to claim 1, wherein the display panel is configured to be installed in an upright position in which the display panel is arranged to stand on a predetermined installation place, and with respect to an up-down direction with respect to the upright position, the control substrate is arranged below the indicator substrate and arranged along an intersecting direction with respect to the indicator substrate such that the control substrate is entirely not facing each of the display screen and the indicator substrate. ### Claim 4 (depends on 1) The display device according to claim 1, wherein the indicator substrate and the control substrate are connected to each other via connector connection. ### Claim 5 (depends on 1) The display device according to claim 1, further comprising a device housing that, together with the display panel, defines an accommodating space for the indicator substrate and the control substrate. ### Claim 6 (depends on 1) The display device according to claim 1, further comprising: a first device housing that, together with the display panel, defines a first accommodating space for accommodating the indicator substrate; and a second device housing arranged on a back side of the first device housing corresponding to the back face side of the display panel, the second device housing defining a second accommodating space for accommodating the control substrate. ### Claim 7 (depends on 6) The display device according to claim 6, further comprising a connecting cable that electrically connects the display screen of the display panel defining the first accommodating space and the control substrate accommodated in the second accommodating space. ### Claim 8 (depends on 1) The display device according to claim 1, wherein the indicator region on the display panel includes a diffusing portion that passes light from the light source component while diffusing it and a blocking portion that surrounds the diffusing portion to block light, and the diffusing portion and the blocking portion are integrally formed by two-color molding.