# US 2014/0197379 A1 · Oled pixel structure and oled panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0197379 A1 - Document ID: US20140197379A1 - Status: Published application - Kind: A1 - Application number: 13/821,241 - Filed: 2013-01-17 - Published: 2014-07-17 - Earliest claimed: 2013-01-16 - Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd. - Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd. - Inventors: Chunhuai Li - Web page: https://patentgrep.com/patent/US20140197379A1 ## CPC - H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels} - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - H10K 59/121: characterised by the geometry or disposition of pixel elements - H10K 59/8052: {Cathodes} - G09G 2300/0443: with several sub-pixels for the same colour in a pixel, not specifically used to display gradations (G09G3/364 takes precedence) - 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 - H10K: ORGANIC ELECTRIC SOLID-STATE 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) ## Abstract The present disclosure provides an organic light emitting diode (OLED) pixel structure and an OLED panel. The pixel structure comprises a plurality of colored light emitting zones arranged in parallel. The colored light emitting zone of each color is divided into a second zone, a first zone, and a third zone. A distance is set between the second zone and the first zone, and a distance is set between the second zone and the third zone. Anodes of the first zone, the second zone, and the third zone are connected with a first reference voltage by a thin film transistor (TFT), a cathode of the second zone is connected to a second reference voltage, a cathode of the first zone is connected to a first interface, and a cathode of the third zone is connected to a second interface. ## Claims ### Claim 1 An organic light emitting diode (OLED) panel, comprising: a substrate: a pixel deposited on the substrate by a vapor plating method; and a multiplexer; wherein the pixel comprise a plurality of colored light emitting zones arranged in parallel; the colored light emitting zone of each color is divided into a second zone, a first zone, and a third zone; a distance is set between the second zone and the first zone, and a distance is set between the second zone and the third zone; anodes of the first zone, the second zone, and the third zone are connected with as first reference Voltage by a thin film transistor (TFT) a cathode of the first one is connected to a first interface, a cathode of the second zone is connected to a second reference voltage, and a cathode of the third zone is connected to a second interface; wherein when color mixing occurs in the first zone, the first interface is connected with the first reference voltage, and there is no color mixing in the first zone, the first interface is connected with the second reference voltage.; when color mixing occurs in the third zone, the second interface is connected with the first reference voltage, and there is no color mixing in the third zone, the second interface is connected with the second reference voltage; wherein the first interface and the second interface are selectively connected with the first reference voltage or the second reference voltage by the multiplexer, both the distance between the second zone and the first zone, and the distance between the second zone and the third zone are D1, D1=3 μm, and a distance between two adjacent colored light emitting zones of different colors is D2, D2=5 μm. ### Claim 2 An organic light emitting, diode (OLE D) pixel structure, comprising: a plurality of colored light emitting zones arranged in parallel; wherein the colored light emitting zone of each color is divided into a second zone, a first zone, and a third zone; a distance is set between the second zone and the first zone, and a distance is set between the second zone and the third zone, anodes of the first zone, the second zone, and the third zone are connected with a first reference voltage by a thin film transistor (TFT), a cathode of the second zone is connected to a second reference voltage, a cathode of the first zone is connected to a first interface, and a cathode of the third zone is connected to a second interface. ### Claim 3 (depends on 2) The organic light emitting diode (OLED) pixel structure of claim 2, wherein both a width of the first zone and a width of the third zone are H, 5 μm≦H≦9.5 μm. ### Claim 4 (depends on 2) The organic light emitting diode (OLED) pixel structure of claim 2, wherein both the distance between the second zone and the first zone, and the distance between the second zone and the third zone are D1, 3 μm≦D1≦5 μm. ### Claim 5 (depends on 2) The organic light emitting diode (OLED) pixel structure of claim 2, wherein a distance between two adjacent colored light emitting zones of different colors is D2, 5 μm≦D2≦10 μm. ### Claim 6 An organic light emitting diode (OLED) panel, comprising: a substrate; and a pixel deposited on the substrate by a vapor plating method; wherein the pixel comprise a plurality of colored light emitting zones arranged in parallel; the colored light emitting zone of each color is divided into a. second zone, a first zone, and a third zone; a distance is set between the second zone and the first zone, and a distance is set between the second zone and the third zone; anodes of the first zone, the second zone, and the third zone are connected with a first reference voltage by a thin film transistor (TFT), a cathode of the first zone is connected to a first interface, a cathode of the second zone is connected to a second reference voltage, and a cathode of the third zone is connected to a second interface; wherein when color mixing occurs in the first zone, the first interface is connected with the first reference voltage, and there is no color mixing in the first zone, the first interface is connected with the second reference voltage; when color mixing occurs in the third zone, the second interface is connected with the first reference voltage, and there is no color mixing in the third zone, the second interface is connected with the second reference voltage. ### Claim 7 (depends on 6) The organic light emitting diode (OLED) panel of claim 6, wherein the OLED panel further comprises a multiplexer; the first interface and the second interface are selectively connected with the first reference voltage or the second reference voltage by the multiplexer. ### Claim 8 (depends on 6) The organic light emitting diode (OLED) panel of claim 6, wherein both a width of the first zone and a width of the third zone are H, 5 μm≦H≦9.5 μm. ### Claim 9 (depends on 6) The organic light emitting diode (OLED) panel of claim 6, wherein both the distance between the second zone and the first zone, and the distance between the second zone and the third zone are D1, 3 μm≦D1≦5 μm. ### Claim 10 (depends on 6) The organic light emitting diode (OLED) panel of claim 6, wherein a distance between two adjacent colored light emitting zones of different colors is D2, 5 μm≦D2≦10 μm. ### Claim 11 (depends on 6) The organic light emitting diode (OLED) panel of claim 6, wherein both the distance between the second zone and the first zone, and the distance between the second zone and the third zone are D1, D1=3 μm, and a distance between two adjacent colored light emitting zones of different colors is D2, D2=5 μm.