# US 2021/0280609 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 2021/0280609 A1 - Document ID: US20210280609A1 - Status: Published application - Kind: A1 - Application number: 17/144,273 - Filed: 2021-01-08 - Published: 2021-09-09 - Earliest claimed: 2020-03-06 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Jin Sung AN; Seok Je SEONG; Seong Jun LEE; Ji Seon LEE - Web page: https://patentgrep.com/patent/US20210280609A1 ## CPC - H10D 86/60: wherein the TFTs are in active matrices - H10D 86/441: {Interconnections, e.g. scanning lines} - G09G 3/3291: in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements - G09G 2300/0426: Layout of electrodes and connections - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display device includes a first active pattern, a first conductive pattern including a gate electrode overlapping the first active pattern, a first gate line overlapping the first active pattern and extending in a first direction, and a second gate line extending in the first direction, a second conductive pattern disposed on the first conductive pattern and including a third gate line extending in the first direction and a fourth gate line extending in the first direction, a second active pattern disposed on the second conductive pattern and including a material different from a material of the first active pattern, and a third conductive pattern disposed on the second active pattern and including a first upper electrode overlapping the third gate line and connected to the third gate line, and a second upper electrode overlapping the fourth gate line and connected to the fourth gate line. ## Claims ### Claim 1 A display device comprising: a first active pattern; a first conductive pattern including: a gate electrode overlapping the first active pattern; a first gate line overlapping the first active pattern and extending in a first direction; and a second gate line extending in the first direction; a second conductive pattern disposed on the first conductive pattern and including: a third gate line extending in the first direction; and a fourth gate line extending in the first direction; a second active pattern disposed on the second conductive pattern and including a material different from a material of the first active pattern; and a third conductive pattern disposed on the second active pattern and including: a first upper electrode overlapping the third gate line and electrically connected to the third gate line; and a second upper electrode overlapping the fourth gate line and electrically connected to the fourth gate line. ### Claim 2 (depends on 1) The display device of claim 1, further comprising: a fourth conductive pattern disposed on the third conductive pattern, and including a horizontal connection line extending in the first direction and applied with a first data voltage. ### Claim 3 (depends on 2) The display device of claim 2, further comprising: a fifth conductive pattern disposed on the fourth conductive pattern, and including a data line extending in a second direction intersecting the first direction and applied with the second data voltage, a vertical connection line extending in the second direction and applied with the first data voltage and a high power voltage line extending in the second direction and applied with the high power voltage. ### Claim 4 (depends on 3) The display device of claim 3, wherein the fourth conductive pattern further includes a data voltage pad, and wherein the data line overlaps the data voltage pad and is electrically connected to the data voltage pad. ### Claim 5 (depends on 3) The display device of claim 3, wherein the vertical connection line overlaps the horizontal connection line and is electrically connected to the horizontal connection line. ### Claim 6 (depends on 3) The display device of claim 3, wherein the fourth conductive pattern further includes a shielding pattern, and wherein the high power voltage line overlaps the shielding pattern and is electrically connected to the shielding pattern. ### Claim 7 (depends on 1) The display device of claim 1, wherein a first gate signal is applied to the first gate line, a second gate signal is applied to the third gate line, and a third gate signal is applied to the fourth gate line. ### Claim 8 (depends on 1) The display device of claim 1, wherein a light emitting control signal is applied to the second gate line. ### Claim 9 (depends on 1) The display device of claim 1, wherein the second conductive pattern further includes a gate initialization voltage line. ### Claim 10 (depends on 9) The display device of claim 9, further comprising: a fourth conductive pattern disposed on the third conductive pattern, wherein the fourth conductive pattern further includes a gate initialization voltage connection pattern. ### Claim 11 (depends on 10) The display device of claim 10, wherein the gate initialization voltage connection pattern overlaps the gate initialization voltage line and is electrically connected to the gate initialization voltage line. ### Claim 12 (depends on 11) The display device of claim 11, wherein the gate initialization voltage connection pattern overlaps the second active pattern and is electrically connected to the second active pattern. ### Claim 13 (depends on 1) The display device of claim 1, wherein the first active pattern includes a silicon semiconductor and the second active pattern includes an oxide semiconductor. ### Claim 14 (depends on 1) The display device of claim 1, wherein a portion of the first gate line and a portion of the first active pattern, which overlap each other, constitute an n-channel metal-oxide-semiconductor transistor. ### Claim 15 (depends on 1) The display device of claim 1, wherein a portion of the second gate line and a portion of the first active pattern, which overlap each other, constitute an n-channel metal-oxide-semiconductor transistor. ### Claim 16 (depends on 1) The display device of claim 1, wherein a portion of the gate electrode and a portion of the first active pattern, which overlap each other, constitute an n-channel metal-oxide-semiconductor transistor. ### Claim 17 (depends on 1) The display device of claim 1, wherein a portion of the first upper electrode and a portion of the second active pattern, which overlap each other, constitute a p-channel metal-oxide-semiconductor transistor. ### Claim 18 (depends on 1) The display device of claim 1, wherein a portion of the second upper electrode and a portion of the second active pattern, which overlap each other, constitute a p-channel metal-oxide-semiconductor transistor.