# US 10,871,669 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 10,871,669 B2 - Document ID: US10871669B2 - Status: Granted - Kind: B2 - Application number: 14/948,720 - Filed: 2015-11-23 - Published: 2016-05-26 - Granted: 2020-12-22 - Earliest claimed: 2014-11-26 - Assignees: Semiconductor Energy Laboratory Co., Ltd. - Applicants: Semiconductor Energy Laboratory Co., Ltd. - Inventors: Shunpei Yamazaki; Yoshiharu Hirakata; Tetsuji Ishitani; Daisuke Kubota; Ryo Hatsumi; Masaru Nakano; Takashi Hamada - Web page: https://patentgrep.com/patent/US10871669B2 ## CPC - G02F 1/133351: {Manufacturing of individual cells out of a plurality of cells, e.g. by dicing} - G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)} - G02F 1/1339: Gaskets; Spacers; Sealing of cells - H10K 59/871: {Self-supporting sealing arrangements} - H10K 71/50: Forming devices by joining two substrates together, e.g. lamination techniques - G02F 2201/501: Blocking layers, e.g. against migration of ions - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K 71/851: {Division of substrate} - Y02E 10/549: Organic PV cells - 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 - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A display device including a peripheral circuit portion with high operation stability. The display device includes a first substrate and a second substrate. A first insulating layer is on a first plane of the first substrate, and a second insulating layer is on a first plane of the second substrate. An area of the first plane of the first substrate is the same as an area of the first plane of the second substrate. The first plane of the first substrate and the first plane of the second substrate face each other. A bonding layer is between the first insulating layer and the second insulating layer. A protection film is in contact with the first substrate, the first insulating layer, the bonding layer, the second insulating layer, and the second substrate. ## Claims ### Claim 1 A display device comprising: a first substrate comprising a first plane and a second plane opposite to the first plane; a second substrate comprising a third plane and a fourth plane opposite to the third plane; a first insulating layer on the first plane of the first substrate; a second insulating layer on the third plane of the second substrate; a bonding layer between the first insulating layer and the second insulating layer; and a protection film in contact with the first insulating layer, the bonding layer, the second insulating layer, and at least one of the second plane of the first substrate and the fourth plane of the second substrate, wherein an area of the first plane of the first substrate is substantially the same as an area of the third plane of the second substrate, wherein the first plane of the first substrate and the third plane of the second substrate face each other, wherein the protection film comprises any one of aluminum oxide, hafnium oxide, zirconium oxide, titanium oxide, zinc oxide, indium oxide, tin oxide, indium tin oxide, tantalum oxide, manganese oxide, nickel oxide, erbium oxide, cobalt oxide, tellurium oxide, barium titanate, titanium nitride, tantalum nitride, aluminum nitride, tungsten nitride, cobalt nitride, silicon nitride, manganese nitride, hafnium nitride, ruthenium, platinum, nickel, cobalt, manganese, and copper, and wherein a concentration of hydrogen in the protection film is greater than or equal to 1×1019 atoms/cm3 and less than 1×1022 atoms/cm3. ### Claim 2 (depends on 1) The display device according to claim 1, further comprising a transistor, a capacitor, a display element, a light-blocking layer, and a coloring layer between the first plane of the first substrate and the third plane of the second substrate. ### Claim 3 (depends on 1) The display device according to claim 1, wherein the protection film comprises any one of oxygen, nitrogen, and a metal. ### Claim 4 (depends on 1) The display device according to claim 1, wherein a concentration of fluorine in the protection film is greater than or equal to 1×1018 atoms/cm3 and less than 1×1022 atoms/cm3. ### Claim 5 (depends on 1) The display device according to claim 1, wherein a concentration of carbon in the protection film is greater than or equal to 1×1017 atoms/cm3 and less than 1×1022 atoms/cm3. ### Claim 6 (depends on 2) The display device according to claim 2, wherein the display element is a liquid crystal element. ### Claim 7 (depends on 2) The display device according to claim 2, wherein the display element is an organic EL element. ### Claim 8 (depends on 1) An electronic device comprising the display device according to claim 1, the display device comprising a microphone and a speaker. ### Claim 9 A display device comprising: a first substrate comprising a first plane and a second plane opposite to the first plane; a second substrate comprising a third plane and a fourth plane opposite to the third plane; a first insulating layer on the first plane of the first substrate; a second insulating layer on the third plane of the second substrate; a bonding layer between the first insulating layer and the second insulating layer; and a protection film in contact with the first insulating layer, the bonding layer, the second insulating layer, and at least one of the second plane of the first substrate and the fourth plane of the second substrate, wherein an area of the third plane of the second substrate is smaller than an area of the first plane of the first substrate, wherein the first plane of the first substrate and the third plane of the second substrate face each other, wherein the protection film comprises any one of aluminum oxide, hafnium oxide, zirconium oxide, titanium oxide, zinc oxide, indium oxide, tin oxide, indium tin oxide, tantalum oxide, manganese oxide, nickel oxide, erbium oxide, cobalt oxide, tellurium oxide, barium titanate, titanium nitride, tantalum nitride, aluminum nitride, tungsten nitride, cobalt nitride, silicon nitride, manganese nitride, hafnium nitride, ruthenium, platinum, nickel, cobalt, manganese, and copper, and wherein a concentration of hydrogen in the protection film is greater than or equal to 1×1019 atoms/cm3 and less than 1×1022 atoms/cm3. ### Claim 10 (depends on 9) The display device according to claim 9, further comprising a transistor, a capacitor, a display element, a light-blocking layer, and a coloring layer between the first plane of the first substrate and the third plane of the second substrate. ### Claim 11 (depends on 9) The display device according to claim 9, wherein the protection film comprises any one of oxygen, nitrogen, and a metal. ### Claim 12 (depends on 9) The display device according to claim 9, wherein a concentration of fluorine in the protection film is greater than or equal to 1×1018 atoms/cm3 and less than 1×1022 atoms/cm3. ### Claim 13 (depends on 9) The display device according to claim 9, wherein a concentration of carbon in the protection film is greater than or equal to 1×1017 atoms/cm3 and less than 1×1022 atoms/cm3. ### Claim 14 (depends on 10) The display device according to claim 10, wherein the display element is a liquid crystal element. ### Claim 15 (depends on 10) The display device according to claim 10, wherein the display element is an organic EL element. ### Claim 16 (depends on 9) An electronic device comprising the display device according to claim 9, the display device comprising a microphone and a speaker. ### Claim 17 (depends on 1) The display device according to claim 1, further comprising a spacer, wherein the spacer is in contact with the protection film. ### Claim 18 (depends on 9) The display device according to claim 9, further comprising a spacer, wherein the spacer is in contact with the protection film. ### Claim 19 A display device comprising: a first substrate; a second substrate; a first insulating layer adjacent to the first substrate; a second insulating layer adjacent to the second substrate; a bonding layer between the first insulating layer and the second insulating layer; and a protection film in contact with the first insulating layer, the bonding layer, the second insulating layer, the first substrate, and the second substrate, wherein the protection film comprises any one of aluminum oxide, hafnium oxide, zirconium oxide, titanium oxide, zinc oxide, indium oxide, tin oxide, indium tin oxide, tantalum oxide, manganese oxide, nickel oxide, erbium oxide, cobalt oxide, tellurium oxide, barium titanate, titanium nitride, tantalum nitride, aluminum nitride, tungsten nitride, cobalt nitride, silicon nitride, manganese nitride, hafnium nitride, ruthenium, platinum, nickel, cobalt, manganese, and copper, and wherein a concentration of hydrogen in the protection film is greater than or equal to 1×1019atoms/cm3 and less than 1×1022 atoms/cm3.