Display device
AssigneeSamsung Display Co., Ltd.
InventorsKyong Tae Park, Yu Hyun Cho
Life of this patent
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Abstract
A display including a display panel configured to include a plurality of active pixels and a plurality of dummy pixels, which are formed near the active pixels, a control driver configured to control a pixel driving circuit formed in each of the active pixels and a dummy driving circuit formed in each of the dummy pixels, wherein each of the pixel driving circuits of the active pixels includes a pixel driving transistor and each of the dummy driving circuits of the dummy pixels, which are formed at either end of the display panel in a first direction, is electrically connected at a first dummy node thereof and includes a dummy driving transistor and a first dummy capacitor, which connects a control terminal of the dummy driving transistor and the first dummy node.
Claims9
A display device, comprising a display panel comprising a plurality of active pixels and a plurality of dummy pixels located at one or both ends of the display panel in a first direction,
- wherein each of the active pixels comprises an organic light-emitting diode, and a pixel driving circuit coupled to the organic light-emitting diode and comprising a pixel driving transistor, and
- wherein each of the dummy pixels comprises a dummy driving circuit, the dummy driving circuit comprising a dummy driving transistor, a first dummy capacitor for coupling a control terminal of the dummy driving transistor of the dummy driving circuit and a first dummy node, which is connected to the organic light-emitting diode of one of the active pixels, a boost diode, and a first transistor, which is configured to apply a voltage at an anode terminal of the boost diode to a third dummy node, which is connected to a control terminal of the dummy driving transistor and to the first dummy capacitor.
A display device, comprising a display panel comprising a plurality of active pixels and a plurality of dummy pixels located at one or both ends of the display panel in a first direction,
- wherein each of the active pixels comprises an organic light-emitting diode, and a pixel driving circuit coupled to the organic light-emitting diode and comprising a pixel driving transistor,
- wherein each of the dummy pixels comprises a dummy driving circuit, the dummy driving circuit comprising a dummy driving transistor, a first dummy capacitor for coupling a control terminal of the dummy driving transistor and a first dummy node, which is connected to the organic light-emitting diode, a boost diode, and a first transistor, which is configured to apply a voltage at an anode terminal of the boost diode to a third dummy node,
- wherein each of the dummy pixels is connected to an initialization line, which extends in a second direction, and
- wherein the initialization line is connected to each of the boost diodes of the dummy driving circuits such that an initialization voltage is applied to the initialization line in response to an initialization signal.
Dependencies are inferred from the claim text.