# US 9,437,662 B2 · Display device with transistor sampling for improved performance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,437,662 B2 - Document ID: US9437662B2 - Status: Granted - Kind: B2 - Application number: 14/826,810 - Filed: 2015-08-14 - Published: 2015-12-10 - Granted: 2016-09-06 - Earliest claimed: 2008-05-13 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Tetsuro Yamamoto; Katsuhide Uchino - Web page: https://patentgrep.com/patent/US9437662B2 ## CPC - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - C22C 38/22: with molybdenum or tungsten - H05B 45/00: Circuit arrangements for operating light-emitting diodes [LED] - H10K 59/1216: {the pixel elements being capacitors} - H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10W 20/4405: {the principal metal being aluminium} - G09G 2300/0426: Layout of electrodes and connections - G09G 2300/0465: Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness - G09G 2300/0819: used for counteracting undesired variations, e.g. feedback or autozeroing - G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor - G09G 2300/0866: by means of changes in the pixel supply voltage - G09G 2320/0223: Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes - Y02B 20/30: Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED] - 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) - C22C: ALLOYS (treatment of alloys C21D, C22F) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract A display device including a pixel array having a plurality of pixels arranged in a matrix form, each of the pixels including a sampling transistor configured to sample a data potential from a video signal line which is insulated from and intersects a control line in response to the change in potential of the control line, and a light-emitting element configured to emit light at the brightness commensurate with the magnitude of the post-sampling data potential. ## Claims ### Claim 1 An apparatus comprising: a plurality of data lines, at least one of the plurality of data lines being configured to supply a data signal to a pixel capacitor via a first transistor; and a plurality of power supply lines, at least one of the plurality of power supply lines being configured to supply a driving current to a light emitting element via a second transistor, wherein, the at least one of the plurality of data lines crosses the at least one of the plurality of power supply lines, and the at least one of the plurality of data lines comprises a lower wiring portion and an upper wiring portion, the upper wiring portion being connected to the lower wiring portion via at least eleven contact holes. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein said at least one of the plurality of power supply lines is provided at a same hierarchical level as the upper wiring portion. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the upper wiring portion does not cross the at least one of the plurality of power supply lines. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the light emitting element comprises an anode electrode, a light emitting layer formed on the anode electrode, and a cathode electrode formed on the light emitting layer. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein the anode electrode is at a hierarchical level a higher than that of the power supply line. ### Claim 6 A display device comprising: a light emitting element configured to emit light; a data line configured to supply a data signal to a pixel capacitor via a first transistor; and a power supply line configured to supply a driving current to the light emitting element via a second transistor, wherein, the data line crosses the power supply line, the data line extends along a first direction, and the data line comprises at least eleven contact regions arranged along the first direction. ### Claim 7 (depends on 6) The display device of claim 6, wherein the light emitting element comprises an anode electrode, a light emitting layer formed on the anode electrode, and a cathode electrode formed on the light emitting layer. ### Claim 8 (depends on 7) The display device of claim 7, wherein the anode electrode is higher hierarchical level than the power supply line. ### Claim 9 (depends on 6) The display device of claim 6, wherein the data line configured to supply the data signal and a fixed potential alternatively. ### Claim 10 (depends on 6) The display device of claim 6, wherein the eleven contact regions can reduce wiring resistance.