# US 2014/0152639 A1 · Organic light emitting display and method for operating the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152639 A1 - Document ID: US20140152639A1 - Status: Published application - Kind: A1 - Application number: 13/793,573 - Filed: 2013-03-11 - Published: 2014-06-05 - Earliest claimed: 2012-12-05 - Assignees: Samsung Display Co., Ltd. - Inventors: Hyun-Chol BANG; Yang-Wan KIM - Web page: https://patentgrep.com/patent/US20140152639A1 ## CPC - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - 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 - G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor - G09G 2300/0861: with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes - G09G 2310/0297: Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns - 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 An organic light emitting display device includes: a pixel unit including first pixels positioned at intersection parts between first data lines and first scan lines and the second pixels positioned at intersection parts between the second data lines and the second scan lines; a scan driver sequentially supplying first scan signals to the first scan lines and sequentially supplying second scan signals to the second scan lines; a data driver supplying first output signals to first output lines and supplying second output signals to second output lines; and a demultiplexer block unit including demultiplexers which demultiplex the first output signals in response to control signals, respectively, and supply the demultiplexed signals to the first data lines, wherein the second output lines are directly connected to the second data lines. ## Claims ### Claim 1 An organic light emitting display, comprising: a pixel unit including first pixels positioned at intersections between first data lines and first scan lines, and second pixels positioned at intersections between second data lines and second scan lines; a scan driver sequentially supplying first scan signals to the first scan lines and sequentially supplying second scan signals to the second scan lines; a data driver supplying first output signals to first output lines and supplying second output signals to second output lines; and a demultiplexer block unit including demultiplexers which demultiplex the first output signals in response to control signals, respectively, and supply the demultiplexed signals to the first data lines, wherein the second output lines are directly connected to the second data lines. ### Claim 2 (depends on 1) The organic light emitting display according to the claim 1, wherein: the first pixels, in response to the first scan signals, charge a magnitude of the voltage corresponding to first data signals supplied through the first data lines to a first storage capacitor included in the first pixels, and the second pixels, in response to the second scan signals, charge a magnitude of voltage corresponding to second data signals supplied through the second data lines to a second storage capacitor included in the second pixels. ### Claim 3 (depends on 1) The organic light emitting display according to the claim 1, wherein each of the demultiplexers includes, a first switching device controlling a connection between any one of the first data lines and the first output line in response to a first control signal among the control signals; and a second switching device controlling a connection between another of the first data lines and the first output line in response to a second control signal among the control signals. ### Claim 4 (depends on 3) The organic light emitting display according to the claim 3, wherein the first control signal and the second control signal are sequentially supplied, and each of the first scan signals is supplied after the first control signal and the second control signal are supplied. ### Claim 5 (depends on 1) The organic light emitting display according to the claim 1, wherein the first pixels include a red light organic light emitting diode or a blue light organic light emitting diode, and the second pixels include a green organic light diode. ### Claim 6 (depends on 1) The organic light emitting display according to the claim 1 further comprising, a timing controller controlling the scan driver and the data driver, and supplying the control signals. ### Claim 7 An operating method of an organic light emitting display including first pixels and second pixels, the method comprising: demultiplexing a first output signal supplied through first output lines in response to control signals during a first period among horizontal periods and supplying the demultiplexed signal to first data lines; charging a magnitude of voltage corresponding to the first data signals supplied through the first data lines to a first storage capacitor included in the first pixels during a second period among the horizontal periods; and charging a magnitude of voltage corresponding to second output signal supplied through the second output line to a second storage capacitor included in the second pixel during the horizontal period. ### Claim 8 (depends on 7) The operating method of the organic light emitting display according to the claim 7, wherein supplying the demultiplexed signal to the first data lines includes: demultiplexing the first output signal in response to the control signals; and storing the demultiplexed signals in data capacitors as the first data signals. ### Claim 9 (depends on 8) The operating method of the organic light emitting display according to the claim 8, wherein demultiplexing the first output signal in response to the control signals includes: connecting the first output line to any one of the first data lines in response to a first control signal among the control signals; and connecting the first output line to another of first data lines in response to a second control signal among the control signals. ### Claim 10 (depends on 7) The operating method of the organic light emitting display according to the claim 7, wherein: the horizontal period includes the first period and the second period, and the second period is after the first period. ### Claim 11 (depends on 7) The operating method of the organic light emitting display according to the claim 7, wherein the first pixels includes a red light organic light emitting diode or a blue light organic light emitting diode, and the second pixels includes a green organic light diode.