# US 2006/0076550 A1 · Light emitting display and light emitting display panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2006/0076550 A1 - Document ID: US20060076550A1 - Status: Published application - Kind: A1 - Application number: 11/239,726 - Filed: 2005-09-29 - Published: 2006-04-13 - Earliest claimed: 2004-10-13 - Assignees: Samsung Mobile Display Co., Ltd. - Inventors: Won-Kyu Kwak; Sung-Chon Park - Web page: https://patentgrep.com/patent/US20060076550A1 ## CPC - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - G09G 3/2003: {Display of colours (specific for liquid crystal displays G09G3/3607)} - 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 2300/0804: Sub-multiplexed active matrix panel, i.e. wherein one active driving circuit is used at pixel level for multiple image producing elements - 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 - H10K 59/35: comprising red-green-blue [RGB] subpixels - 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 according to an embodiment of the present invention includes a pixel driver, first, second, and third light emitting diodes, and first, second, and third switches. The pixel driver outputs a driving current corresponding to a data signal to an output terminal in response to the scan signal. The first, second, and third light emitting diodes emit first, second, and third color lights in response to the driving current respectively. The first, second, and third switches are coupled between the output terminal of the pixel driver and the first, second, and third light emitting diodes respectively. The first, second, and third switches selectively transmit the driving current to the first, second, and third light emitting diodes. Two of light emitting diodes among the first, second, and third light emitting diodes are arranged in a first line, and the remaining one light emitting diode is arranged in a second line different from the first line. ## Claims ### Claim 1 A display device for emitting light comprising: a plurality of scan lines for transmitting scan signals; a plurality of data lines for transmitting data signals; and a plurality of pixel circuits each coupled to a respective scan line and a respective data line, wherein each of the plurality of pixel circuits comprises: a pixel driver for outputting a driving current corresponding to a respective data signal to an output terminal in response to a respective scan signal; first, second, and third light emitting elements for emitting first, second, and third color lights respectively, in response to the driving current; and first, second, and third switches respectively being coupled between the output terminal of the pixel driver and the first, second, and third light emitting elements, wherein the first, second, and third switches selectively transmit the driving current to the first, second, and third light emitting elements respectively, wherein two light emitting elements among the first, second, and third light emitting elements are arranged in a first line, and the remaining one light emitting element is arranged in a second line different from the first line. ### Claim 2 (depends on 1) The display device of claim 1, wherein the first, second, and third light emitting elements are arranged substantially in a form of a delta (Δ) shape. ### Claim 3 (depends on 1) The display device of claim 1, wherein the first line and the second line are substantially parallel to the plurality of scan lines. ### Claim 4 (depends on 3) The display device of claim 3, wherein a scan line of the plurality of scan lines is arranged between the first line and the second line. ### Claim 5 (depends on 1) The display device of claim 1, wherein each of the plurality of pixel circuits further comprises: a first transistor for transmitting the data signal in response to the scan signal; a first capacitor for storing a voltage corresponding to the data signal transmitted by the first transistor; and a second transistor for outputting a current corresponding to the data signal. ### Claim 6 (depends on 5) The display device of claim 5, wherein each of the plurality of pixel circuits further comprises: a third transistor for allowing the second transistor to be diode-connected; a fourth transistor having a first electrode coupled to a first electrode of the first capacitor, and a second electrode coupled to a second electrode of the first capacitor; and a second capacitor having a first electrode coupled to the second electrode of the fourth transistor, and a second electrode coupled to a control electrode of the second transistor. ### Claim 7 A display panel for emitting light comprising: a plurality of scan lines for transmitting scan signals; a plurality of data lines for transmitting data signals; and a plurality of light emitting elements for emitting light corresponding to the data signals in response to the scan signals, the display panel comprising: a first light emitting element group in which first, second, and third light emitting elements respectively emitting lights of first, second, and third colors are sequentially arranged in a row direction; and a second light emitting element group in which fourth, fifth, and sixth light emitting elements respectively emitting lights of the second, third, and first colors are sequentially arranged in the row direction, wherein the first, fourth, and fifth light emitting elements emit light corresponding to the data signal transmitted by one data line in response to the scan line transmitted by one scan line. ### Claim 8 (depends on 7) The display panel of claim 7, wherein one of the plurality of scan lines is arranged between the first light emitting element group and the second light emitting element group. ### Claim 9 (depends on 7) The display panel of claim 7, wherein the second, third, and sixth light emitting elements are driven by a scan signal transmitted through a scan line applied to the first, fourth, and fifth light emitting elements, and are driven by a data signal transmitted through a first data line which is different from a second data line through which the data signal is transmitted to the first, fourth, and fifth light emitting elements. ### Claim 10 (depends on 7) The display panel of claim 7, wherein the first light emitting element is arranged between the fourth and the fifth light emitting elements in a column direction. ### Claim 11 A display device for emitting light comprising: a plurality of scan lines for transmitting scan signals; a plurality of data lines for transmitting data signals; and a plurality of pixel circuits each coupled to a respective scan line and a respective data line, wherein each of the plurality of pixel circuits respectively comprises: a first transistor for transmitting a respective data signal in response to a respective scan signal; a first capacitor for storing a voltage corresponding to the respective data signal transmitted by the first transistor; a second transistor for outputting a current corresponding to the respective data signal; first, second, and third light emitting elements for emitting first, second, and third color lights respectively, corresponding to the current output by the second transistor; and first, second, and third switches selectively transmitting the current transmitted by the second transistor to the first, second, and third light emitting elements respectively, wherein the first, second, and third light emitting elements are arranged substantially in a form of a delta (Δ) shape. ### Claim 12 (depends on 11) The display device of claim 11, wherein each of the plurality of pixel circuits further comprises: a third transistor for allowing the second transistor to be diode connected; a fourth transistor having a first electrode coupled to a first electrode of the first capacitor, and a second electrode coupled to a second electrode of the first capacitor; and a second capacitor having a first electrode coupled to the second electrode of the fourth transistor, and a second electrode coupled to a control electrode of the second transistor. ### Claim 13 A display device comprising: a plurality of pixels for emitting light, each of the plurality of pixels including a first organic light emitting diode (OLED), a second OLED and a third OLED; a plurality of scan lines for transmitting a plurality of scan signals; a plurality of data lines for transmitting a plurality of data signals; and a plurality of pixel circuits each coupled to a respective scan line and a respective data line, wherein each of the plurality of pixel circuits drives the first OLED, the second OLED and the third OLED of a respective pixel. ### Claim 14 (depends on 13) The display device of claim 13, wherein the first OLED, the second OLED and the third OLED of a respective pixel are arranged in a form of a delta (Δ) shape. ### Claim 15 (depends on 13) The display device of claim 13, wherein the first OLED, the second OLED and the third OLED of a respective pixel are arranged in a form of an inverted triangle (∇) shape. ### Claim 16 (depends on 13) The display device of claim 13, wherein each of the plurality of pixel circuits comprises: a pixel driver for outputting a driving current corresponding to a respective data signal to an output terminal in response to a respective scan signal; first, second, and third light emitting elements for emitting first, second, and third color lights respectively, in response to the driving current; and first, second, and third switches respectively being coupled between the output terminal of the pixel driver and the first, second, and third light emitting elements, wherein the first, second, and third switches selectively transmit the driving current to the first, second, and third light emitting elements respectively, wherein two light emitting elements among the first, second, and third light emitting elements are arranged in a first line, and the remaining one light emitting element is arranged in a second line different from the first line. ### Claim 17 (depends on 13) The display device of claim 13, wherein the first line and the second line are substantially parallel to the plurality of scan lines. ### Claim 18 (depends on 17) The display device of claim 17, wherein a scan line of the plurality of scan lines is arranged between the first line and the second line. ### Claim 19 (depends on 13) The display device of claim 13, wherein each of the plurality of pixel circuits further comprises: a first transistor for transmitting the data signal in response to the scan signal; a first capacitor for storing a voltage corresponding to the data signal transmitted by the first transistor; and a second transistor for outputting a current corresponding to the data signal. ### Claim 20 (depends on 19) The display device of claim 19, wherein each of the plurality of pixel circuits further comprises: a third transistor for allowing the second transistor to be diode-connected; a fourth transistor having a first electrode coupled to a first electrode of the first capacitor, and a second electrode coupled to a second electrode of the first capacitor; and a second capacitor having a first electrode coupled to the second electrode of the fourth transistor, and a second electrode coupled to a control electrode of the second transistor.