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AssigneeLG Display Co., Ltd.
InventorsKyo-Seop Choo, Hwa-Dong Han
Estimating the term…
Disclosed is an organic light emitting diode display device and a method for driving the same. The device includes a display panel having a plurality of sub-pixels wherein the sub-pixels formed on each horizontal line are connected to a gate line on the same horizontal line and are further connected to a gate line on a next horizontal line to further receive a gate on signal from the gate line on the next horizontal line so as to display an image, a power supply supplying first and second power signals to power lines of the display panel and supplying a compensation voltage to a compensation power line, and a timing controller for arranging external input video data suitably for driving of the display panel and controlling gate and data drivers such that the image is displayed based on a data voltage compensated for by the compensation voltage.
An organic light emitting diode display device comprising:
A method for driving an organic light emitting diode display device, the organic light emitting diode display device comprising a display panel having a plurality of sub-pixels, wherein the sub-pixels formed on each horizontal line are connected to a gate line on the same horizontal line and are further connected to a gate line on a next horizontal line to further receive a gate on signal from the gate line on the next horizontal line so as to display an image, wherein each of the plurality of sub-pixels comprises:
Dependencies are inferred from the claim text.
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Using an active matrix: with pixel circuitry controlling the voltage across the light-emitting element
Pixel structures: improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum…
Arrangements or circuits for control of indicating devices using static means to
About 7 years 2 months of term left · ends 25 Dec 2033 (estimated)
This application claims the benefit of Korean Patent Application No. 10-2013-0076025, filed on Jun. 28, 2013 which is hereby incorporated by reference for all purposes as if fully set forth herein.
1. Field of the Invention
The present invention relates to an organic light emitting diode (OLED) display device. More particularly, the present invention relates to an OLED display device which is capable of not only compensating for a video voltage charged in each sub-pixel, but also simplifying a pixel circuit structure and a wiring structure and raising an aperture ratio, so as to further enhance picture quality, and a method for driving the same.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
FIG. 1 is a block diagram showing the configuration of an organic light emitting diode display device according to an embodiment of the present invention;
FIG. 2 is an equivalent circuit diagram of 2×2 sub-pixels of a display panel shown in FIG. 1; and
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
FIG. 1 is a block diagram showing the configuration of an organic light emitting diode display device according to an embodiment of the present invention, and FIG. 2 is an equivalent circuit diagram of 2×2 sub-pixels of a display panel shown in FIG. 1.
The organic light emitting diode (OLED) display device shown in FIG. 1 includes a display panel 1 having a plurality of sub-pixels P formed in such a manner that sub-pixels on each horizontal line are connected to a gate line GL1 to GLn on the same horizontal line and are further connected to a gate line GL2 to GLn+1 on a next horizontal line to further receive a gate on signal from the gate line GL2 to GLn+1 on the next horizontal line so as to display an image. The OLED display device further includes a gate driver 2 for driving the gate lines GL1 to GLn+1 of the display panel 1, a data driver 3 for driving data lines DL1 to DLm of the display panel 1, a power supply 4 for supplying first and second power signals VDD and VSS to power lines PL1 to PLm of the display panel 1 and supplying a compensation voltage Vref to a compensation power line CPL of the display panel 1, and a timing controller 5 for arranging external input video data suitably for driving of the display panel 1 and supplying the arranged video data to the data driver 3, and controlling the gate and data drivers 2 and 3 such that the image is displayed based on a data voltage compensated for by the compensation voltage Vref.