# US 10,768,702 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 10,768,702 B2 - Document ID: US10768702B2 - Status: Granted - Kind: B2 - Application number: 15/893,170 - Filed: 2018-02-09 - Published: 2018-10-04 - Granted: 2020-09-08 - Earliest claimed: 2017-03-28 - Assignees: KYOCERA Corporation - Applicants: KYOCERA Corporation - Inventors: Takashi Shimizu; Takeshi Shintani - Web page: https://patentgrep.com/patent/US10768702B2 ## CPC - G06F 3/04142: {the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate} - G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]} - G06F 1/1637: {Details related to the display arrangement, including those related to the mounting of the display in the housing} - G06F 1/1643: {the display being associated to a digitizer, e.g. laptops that can be used as penpads (details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615)} - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G02F 1/133311: {Environmental protection, e.g. against dust or humidity} - G02F 1/13338: {Input devices, e.g. touch panels} - G02F 1/133394: {Piezoelectric elements associated with the cells} - G02F 2201/36: Airflow channels, e.g. constructional arrangements facilitating the flow of air - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - G06F 2203/04105: Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - 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 ## Abstract A display device includes: a display panel having a display section; an operation panel disposed so as to cover the display panel, the operation panel having an operation surface which is located on an opposite side to a side facing the display panel; vibrating bodies disposed on the operation panel; a support disposed on the side facing the display panel so as to face the operation panel apart therefrom; elastic supporting members disposed between the operation panel and the support, the elastic supporting members being elastically deformable in accordance with vibration of the vibrating bodies; and a ventilatable wall member disposed across the operation panel and the support so as to externally surround the display section, the wall member being composed of a mesh structure deformable in accordance with the vibration of the vibrating bodies. ## Claims ### Claim 1 A display device, comprising: a substrate having a display section; a vibrating body disposed on the substrate; a support disposed so as to face the substrate apart therefrom; an elastic supporting member disposed between the substrate and the support, the elastic supporting member being elastically deformable in accordance with vibration of the vibrating body; and a wall member disposed across the substrate and the support so as to externally surround the display section, the wall member including a plurality of voids each extending through the wall member, the plurality of voids configured to control a volume of air passing through the wall member from a space surrounded by the wall member during vibration to suppress a variation in air pressure in the space caused by the vibrating body, the plurality of voids in the wall member being located at an entire peripheral portion of the substrate and surrounding the elastic supporting member in a plan view. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the wall member is deformable in accordance with the vibration of the vibrating body, and the pressure variation relaxation section includes void portions which are constituted by a mesh structure to be ventilatable. ### Claim 3 (depends on 2) The display device according to claim 2, wherein a volume occupancy ratio of the void portions in the wall member is 40% or more and less than 100%. ### Claim 4 (depends on 2) The display device according to claim 2, wherein a pressure loss of air passing through the wall member during vibration of the substrate is in a range of 0.1 pascal to 100 pascals. ### Claim 5 (depends on 1) The display device according to claim 1, wherein the pressure variation relaxation section includes a flexible wall member having one end which is a fixed end fixed to either the substrate or the support, and the other end which is a free end. ### Claim 6 (depends on 5) The display device according to claim 5, wherein the flexible wall member includes a base member including the fixed end, and a plurality of flexible linear materials extending from the base member. ### Claim 7 (depends on 6) The display device according to claim 6, wherein each of the flexible linear materials has a thickness of 10 μm or more and 300 μm or less. ### Claim 8 (depends on 6) The display device according to claim 6, wherein a distance between adjacent ones of the flexible linear materials is 10 μm or more and 300 μm or less. ### Claim 9 (depends on 1) The display device according to claim 1, wherein the display section includes a liquid crystal display section. ### Claim 10 (depends on 9) The display device according to claim 9, wherein the support includes a backlight unit. ### Claim 11 A display device, comprising: a display panel having a display section; an operation panel disposed so as to cover the display panel, the operation panel having an operation surface which is located on an opposite side to a side facing the display panel; a vibrating body disposed on the operation panel; a support disposed on the side facing the display panel so as to face the operation panel apart therefrom; an elastic supporting member disposed between the operation panel and the support, the elastic supporting member being elastically deformable in accordance with vibration of the vibrating body; and a wall member disposed across the operation panel and the support so as to externally surround the display section, the wall member including a plurality of voids each extending through the wall member, the plurality of voids configured to control a volume of air passing through the wall member from a space surrounded by the wall member during vibration to suppress a variation in air pressure in the space caused by the vibrating body, the plurality of voids in the wall member being located at an entire peripheral portion of the substrate and surrounding the elastic supporting member in a plan view. ### Claim 12 (depends on 11) The display device according to claim 11, wherein the wall member is deformable in accordance with the vibration of the vibrating body, and the pressure variation relaxation section includes void portions which are constituted by a mesh structure to be ventilatable. ### Claim 13 (depends on 11) The display device according to claim 11, wherein the pressure variation relaxation section includes a flexible wall member having one end which is a fixed end fixed to either the substrate or the support, and the other end which is a free end. ### Claim 14 A display device, comprising: a substrate having a display section; a vibrating body disposed on the substrate; a support disposed so as to face the substrate apart therefrom; an elastic supporting member disposed between the substrate and the support, the elastic supporting member being elastically deformable in accordance with vibration of the vibrating body; and a wall member disposed across the substrate and the support so as to externally surround the display section, the flexible wall member including a plurality of flexible linear materials composed of a plurality of fibrous members extending from a base member, the wall member including a plurality of voids each extending through the wall member, the plurality of voids configured to control a volume of air passing through the wall member from a space surrounded by the wall member during vibration to suppress a variation in air pressure in the space caused by the vibrating body.