# US 2022/0036772 A1 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0036772 A1 - Document ID: US20220036772A1 - Status: Published application - Kind: A1 - Application number: 17/369,975 - Filed: 2021-07-08 - Published: 2022-02-03 - Earliest claimed: 2020-08-03 - Assignees: Innolux Corporation - Applicants: InnoLux Corporation - Inventors: Yuan-Lin WU; Kuan-Feng LEE - Web page: https://patentgrep.com/patent/US20220036772A1 ## CPC - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - 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 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G06F 1/20: Cooling means - G06F 1/203: {for portable computers, e.g. for laptops} - G06F 1/206: {comprising thermal management} - G06F 2200/1612: Flat panel monitor - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A display device includes a rollable display panel having two surfaces opposed to each other, and a heat dissipation sheet disposed on one of the two surfaces of the display panel and rollable together with the rollable display panel. The heat dissipation sheet has a thermal conductivity greater than 200 W/mK. ## Claims ### Claim 1 A display device, comprising: a rollable display panel having two surfaces opposed to each other; and a heat dissipation sheet disposed on one of the two surfaces of the display panel and being rollable together with the rollable display panel, wherein the heat dissipation sheet has a thermal conductivity greater than 200 W/mK. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the heat dissipation sheet comprises a first portion and a second portion, wherein the first portion has a better heat dissipation characteristic. ### Claim 3 (depends on 2) The display device according to claim 2, wherein the better heat dissipation characteristic is performed by means of a greater thickness. ### Claim 4 (depends on 2) The display device according to claim 2, wherein the better heat dissipation characteristic is performed by means of a material with a greater thermal conductivity. ### Claim 5 (depends on 2) The display device according to claim 2, wherein a bonding pad of the rollable display panel is disposed closer to the first portion than the second portion. ### Claim 6 (depends on 1) The display device according to claim 1, further comprising a housing to accommodate the rollable display panel and the heat dissipation sheet, from which the rollable display panel is rolled out together with the heat dissipation sheet. ### Claim 7 (depends on 6) The display device according to claim 6, wherein at least some heat generated by the rollable display panel is dissipated through the heat dissipation sheet and then through the housing. ### Claim 8 (depends on 6) The display device according to claim 6, wherein a first region of the rollable display panel is fixedly accommodated in the housing. ### Claim 9 (depends on 8) The display device according to claim 8, wherein a second region of the rollable display panel is pulled out of the housing. ### Claim 10 (depends on 2) The display device according to claim 2, further comprising: an electronic system physically or electrically connected to the rollable display panel. ### Claim 11 (depends on 10) The display device according to claim 10, wherein the first portion is closer to the electronic system than the second portion. ### Claim 12 (depends on 10) The display device according to claim 10, wherein the first portion quickly dissipates heat from the electronic system to the first portion and then to the second portion. ### Claim 13 (depends on 10) The display device according to claim 10, wherein a first region of the rollable display panel is closer to the electronic system than a second region of the rollable display panel. ### Claim 14 (depends on 10) The display device according to claim 10, wherein the first region surrounds the electronic system. ### Claim 15 (depends on 1) The display device according to claim 1, wherein a surface of the heat dissipation sheet is provided with an opening. ### Claim 16 (depends on 15) The display device according to claim 15, wherein the opening comprises a recess, a trench or a combination thereof. ### Claim 17 (depends on 1) The display device according to claim 1, further comprising: a first rollable portion and a second rollable portion. ### Claim 18 (depends on 17) The display device according to claim 17, wherein a display portion of the rollable display panel is disposed between the first rollable portion and the second rollable portion. ### Claim 19 (depends on 1) The display device according to claim 1, further comprising: a supporting plate disposed under the rollable display panel to support the rollable display panel. ### Claim 20 (depends on 1) The display device according to claim 1, further comprising: a heat dissipation frame so that the heat dissipation sheet is disposed between the heat dissipation frame and the rollable display panel.