# US 10,120,410 B2 · Display device and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,120,410 B2 - Document ID: US10120410B2 - Status: Granted - Kind: B2 - Application number: 14/010,869 - Filed: 2013-08-27 - Published: 2014-03-06 - Granted: 2018-11-06 - Earliest claimed: 2012-09-03 - Assignees: Semiconductor Energy Laboratory Co., Ltd. - Applicants: Semiconductor Energy Laboratory Co., Ltd. - Inventors: Shunpei Yamazaki; Yoshiharu Hirakata - Web page: https://patentgrep.com/patent/US10120410B2 ## CPC - G06F 1/1601: {Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays (constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64)} - 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} - G02F 1/133305: {Flexible substrates, e.g. plastics, organic film} - G02F 1/133308: {Support structures for LCD panels, e.g. frames or bezels} - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - 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 mounted on a curved surface, and driver circuits including circuit elements which are mounted on a plurality of plane surfaces provided on the back of the curved surface in a stepwise shape along the curved surface. ## Claims ### Claim 1 A display device comprising: a base whose outer surface has a curved surface; a display panel mounted along the curved surface, wherein the display panel includes a display element including an electrode; a plurality of electronic circuit boards provided on an inner surface of the base so as to have steps whose heights are increased from a central portion of the base toward an outer region of the base; a wiring member electrically connecting the plurality of electronic circuit boards; and a metal film between the display panel and the plurality of electronic circuit boards, the metal film being a shielding film, wherein the display panel is connected to one of the plurality of electronic circuit boards at a side surface portion of the base, wherein the display panel is in contact with the curved surface so that the display element including the electrode overlaps with the curved surface, and wherein the base is located between the display element including the electrode and the plurality of electronic circuit boards. ### Claim 2 (depends on 1) The display device according to claim 1, wherein a touch panel is provided in a position overlapping with the display panel. ### Claim 3 (depends on 1) The display device according to claim 1, wherein the metal film is located between the curved surface and a plurality of plane surfaces of the base. ### Claim 4 (depends on 1) The display device according to claim 1, wherein a top surface of the display device is provided with the display panel and a bottom surface of the display device is provided with a flat portion. ### Claim 5 (depends on 1) An electronic device comprising the display device according to claim 1. ### Claim 6 (depends on 1) The display device according to claim 1, wherein the base is located between the display panel and the plurality of electronic circuit boards. ### Claim 7 (depends on 1) The display device according to claim 1, wherein the metal film is located inside the base. ### Claim 8 A display device comprising: a base whose outer surface has a curved surface; a display panel mounted along the curved surface, wherein the display panel includes a display element including an electrode; a plurality of electronic circuit boards provided on an inner surface of the base so as to have steps whose heights are increased from a central portion of the base toward an outer region of the base; a wiring member electrically connecting the plurality of electronic circuit boards; and a metal film between the display panel and the plurality of electronic circuit boards, the metal film being a shielding film, wherein the display panel is connected to one of the plurality of electronic circuit boards at a side surface portion of the base, wherein the plurality of electronic circuit boards are provided with a plurality of planarization layers and a wiring between the plurality of planarization layers, wherein the display panel is in contact with the curved surface so that the display element including the electrode overlaps with the curved surface, wherein the base is located between the display panel and the plurality of electronic circuit boards, and wherein the base is located between the display element including the electrode and the plurality of electronic circuit boards. ### Claim 9 (depends on 8) The display device according to claim 8, wherein a touch panel is provided in a position overlapping with the display panel. ### Claim 10 (depends on 8) The display device according to claim 8, wherein the metal film is located between the curved surface and a plurality of plane surfaces of the base. ### Claim 11 (depends on 8) The display device according to claim 8, wherein a top surface of the display device is provided with the display panel and a bottom surface of the display device is provided with a flat portion. ### Claim 12 (depends on 8) An electronic device comprising the display device according to claim 8. ### Claim 13 (depends on 8) The display device according to claim 8, wherein the metal film is located inside the base. ### Claim 14 A display device comprising: a base whose outer surface has a curved surface; a display panel mounted along the curved surface, wherein the display panel includes a display element including an electrode; a plurality of electronic circuit boards provided on an inner surface of the base so as to have steps whose heights are increased from a central portion of the base toward an outer region of the base; a wiring member electrically connecting the plurality of electronic circuit boards; and a metal film between the display panel and the plurality of electronic circuit boards, the metal film being a shielding film, wherein the display panel is connected to one of the plurality of electronic circuit boards at a side surface portion of the base, wherein the plurality of electronic circuit boards are provided with a through hole electrically connected to the display panel, wherein the display panel is in contact with the curved surface so that the display element including the electrode overlaps with the curved surface, wherein the base is located between the display panel and the plurality of electronic circuit boards, and wherein the base is located between the display element including the electrode and the plurality of electronic circuit boards. ### Claim 15 (depends on 14) The display device according to claim 14, wherein a touch panel is provided in a position overlapping with the display panel. ### Claim 16 (depends on 14) The display device according to claim 14, wherein the metal film is located between the curved surface and a plurality of plane surfaces of the base. ### Claim 17 (depends on 14) The display device according to claim 14, wherein a top surface of the display device is provided with the display panel and a bottom surface of the display device is provided with a flat portion. ### Claim 18 (depends on 14) An electronic device comprising the display device according to claim 14. ### Claim 19 (depends on 14) The display device according to claim 14, wherein the metal film is located inside the base. ### Claim 20 A display device comprising: a base whose outer surface has a curved surface; a display panel mounted along the curved surface, wherein the display panel includes a display element including an electrode; a plurality of electronic circuit boards provided on an inner surface of the base so as to have steps whose heights are increased from a central portion of the base toward an outer region of the base; a wiring member electrically connecting the plurality of electronic circuit boards; a metal film between the display panel and the plurality of electronic circuit boards, the metal film being a shielding film; and a battery configured to supply power to the plurality of electronic circuit boards, wherein the display panel is connected to one of the plurality of electronic circuit boards at a side surface portion of the base, wherein the display panel is in contact with the curved surface so that the display element including the electrode overlaps with the curved surface, wherein the base is located between the display panel and the plurality of electronic circuit boards, and wherein the base is located between the display element including the electrode and the plurality of electronic circuit boards. ### Claim 21 (depends on 20) The display device according to claim 20, wherein a touch panel is provided in a position overlapping with the display panel. ### Claim 22 (depends on 20) The display device according to claim 20, wherein the metal film is located between the curved surface and a plurality of plane surfaces of the base. ### Claim 23 (depends on 20) The display device according to claim 20, wherein a top surface of the display device is provided with the display panel and a bottom surface of the display device is provided with a flat portion. ### Claim 24 (depends on 20) An electronic device comprising the display device according to claim 20. ### Claim 25 (depends on 20) The display device according to claim 20, wherein the metal film is located inside the base. ### Claim 26 A display device comprising: a base whose first side has a curved surface; a display panel provided on the first side and along the curved surface, wherein the display panel includes a display element including an electrode; a first electronic circuit board provided on a second side of the base, the first electronic circuit board comprising a first driver circuit; a second electronic circuit board provided on the second side of the base; and a metal film between the display panel and the first electronic circuit board and between the display panel and the second electronic circuit board, the metal film being a shielding film, wherein the first electronic circuit board and the second electronic circuit board are electrically connected to each other, wherein a height of the first electronic circuit board and a height of the second electronic circuit board is different with each other, wherein the display panel is in contact with the curved surface so that the display element including the electrode overlaps with the curved surface, wherein the base is located between the display panel and the first electronic circuit board and between the display panel and the second electronic circuit board, and wherein the base is located between the display element including the electrode and the first electronic circuit board and between the display element including the electrode and the second electronic circuit board. ### Claim 27 (depends on 26) The display device according to claim 26, wherein the curved surface is a convex surface. ### Claim 28 (depends on 26) The display device according to claim 26, wherein the metal film is located inside the base. ### Claim 29 An electronic device comprising: a base; a flexible display panel over the base, the flexible display panel including a curved display portion; a touch panel over the flexible display panel; a printed board electrically connected to the touch panel through a through hole of the base; and a battery located in a concave portion of the base and in a concave portion of the flexible display panel, wherein the touch panel includes a curved region that overlaps with the curved display portion, wherein the flexible display panel includes an electroluminescence element, and wherein the flexible display panel overlaps with the through hole. ### Claim 30 (depends on 29) The electronic device according to claim 29, further comprising: a metal film located in a back of the flexible display panel and between the flexible display panel and the printed board, the metal film being a shielding film, wherein the metal film includes a portion that overlaps with the curved display portion, wherein a concave space is formed in the back of the flexible display panel by the flexible display panel so that the printed board and the metal film are located in the concave space of the flexible display panel, and wherein the printed board is located in a concave space formed by the metal film. ### Claim 31 (depends on 29) The electronic device according to claim 29, further comprising: a metal film located in a back of the flexible display panel and between the flexible display panel and the printed board, the metal film being a shielding film, wherein the metal film includes a portion that overlaps with the curved display portion, wherein the printed board comprises a region that overlaps with a display region of the flexible display panel, and wherein the metal film comprises a region that does not overlap with the printed board. ### Claim 32 (depends on 29) The electronic device according to claim 29, wherein the base has an insulating property. ### Claim 33 An electronic device comprising: a base; a flexible display panel over the base, the flexible display panel including a curved display portion; and a printed board electrically connected to the flexible display panel through a through hole of the base, wherein the base is capable of storing a battery, wherein the base is located in a concave portion of the flexible display panel, wherein the flexible display panel comprises a touch sensor that overlaps with the curved display portion, wherein the flexible display panel includes an electroluminescence element, and wherein the flexible display panel overlaps with the through hole. ### Claim 34 (depends on 33) The electronic device according to claim 33, wherein the base has an insulating property.