Samsung Display Co., Ltd.

Guang Hai Jin

Kwan-Wook Jung

June-Woo Lee

Jae-Beom Choi

Moo-Jin Kim

Dong-Gyu Kim

Ki Nyeng Kang

Jae-Hwan Oh

Jae Beom Choi

Ga-Young Kim

Seong-Jun Kim

Jee-Hoon Kim

Jun-Woo Lee

Na-Young Kim

Hae-Yeon Lee

In-Ho Choi

Hee-Kyung Kim

Sun Kwang Kim

Na-young Kim

Se-Hun Park

June Woo Lee

Yong Joo Kim

Sam Tae Jeong

Kwan Wook Jung

Ho-Young Kim

Min Hyeng Lee

A display device may include a display panel having a plurality of pixels therein, a first conductive pattern on the display panel, a touch insulating layer covering at least a portion of the first conductive pattern, a second conductive pattern on the touch insulating layer, and an organic insulating layer. The second conductive pattern may include a first metal layer and a second metal layer. The first metal layer may include a plurality of sub-metal layers, and the second metal layer may include a plurality of sub-metal layers. A first sub-metal layer of the first metal layer may be stacked on a first sub-metal layer of the second metal layer, and a width of the first sub-metal layer of the first metal layer may be wider than a width of the first sub-metal layer of the second metal layer.

Touch sensor, display device including the same, and method of manufacturing the same

A display device according to one or more embodiments includes a substrate, common voltage lines on the substrate, and extending in a second direction, connection electrodes on the common voltage lines, an emission layer on the connection electrodes, a common electrode on the emission layer, and a voltage applying portion configured to apply a common voltage to the common electrode, wherein the emission layer defines openings for connection through which the common electrode is electrically connected with respective ones of the connection electrodes, and wherein distances between respective adjacent ones of the openings for connection increase as a distance from the voltage applying portion increases along the second direction.

Display device

A display device includes: a substrate; a plurality of voltage lines extending parallel to each other on the substrate; and a voltage supplier connected to one side end of a plurality of voltage lines and configured to transmit a voltage to a plurality of voltage lines, wherein a density of the plurality of voltage lines decreases farther away from the voltage supplier.

An organic light emitting diode display includes: a substrate; a first thin film transistor including a first active region on the substrate; a second thin film transistor connected to the first thin film transistor and including a second active region spaced from the first active region; and a silicon layer on the substrate and including a plurality of polysilicon lines spaced from each other and extending in a first direction and a plurality of amorphous silicon lines between the adjacent polysilicon lines and extending in the first direction, wherein the first active region and the second active region are in different polysilicon lines of the plurality of polysilicon lines.

Organic light emitting diode display

An organic light emitting diode (OLED) display includes a light-emitting region including an organic emission layer and a non-light-emitting region neighboring the light-emitting region. The OLED display includes a first electrode positioned at the light-emitting region and including a plurality of division regions divided according to a virtual cutting line crossing the light-emitting region, an organic emission layer positioned on the first electrode, a second electrode positioned on the organic emission layer, a driving thin film transistor connected to the first electrode, and a plurality of input terminals positioned at the non-light-emitting region and respectively connecting between each of division regions and the driving thin film transistor.

Organic light emitting diode display device and method for repairing organic light emitting diode display

An organic light emitting diode (OLED) display is disclosed. The OLED display includes a substrate, a scan line on the substrate and configured to transfer a scan signal, a data line crossing the scan line and configured to transfer a data signal, a driving voltage line crossing the scan line or the data line and configured to transfer a driving voltage, a switching thin film transistor (TFT) connected to the scan line and the data line, a driving TFT connected to the switching TFT and the driving voltage line, an OLED connected to the driving TFT, and a storage capacitor connected to the driving voltage line and a driving gate electrode of the driving TFT. The storage capacitor includes a first storage capacitor plate that overlaps the driving voltage line.

An organic light emitting diode display device includes a semiconductor on a substrate with a driving channel, an auxiliary storage electrode on the substrate with a storage electrode formed of a same material as the semiconductor and separated therefrom, a first insulating layer covering the semiconductor and the auxiliary storage electrode, a driving gate electrode overlapping the auxiliary storage electrode to define an auxiliary storage capacitor, a second insulating layer covering the driving gate electrode and the first insulating layer, a main storage electrode overlapping the driving gate electrode to define a main storage capacitor, a passivation layer covering the data wire and the second insulating layer, a pixel electrode on the passivation layer, an organic emission layer on the pixel electrode, and a common electrode on the organic emission layer.

Organic light emitting diode display device

An organic light emitting diode (OLED) display includes a substrate where a plurality of pixels are formed, a first pixel defining layer on the substrate, the first pixel defining layer dividing the plurality of pixels, a connection wire on the first pixel defining layer, the connection wire electrically connecting two adjacent pixels, and a second pixel defining layer on the first pixel defining layer, the second pixel defining layer covering the connection wire.

Method for manufacturing organic light emitting display device

A method for testing an array, by using an array testing device for detecting a voltage distribution formed on an array substrate, includes resetting pixel voltages of a plurality of pixel circuits formed on the array substrate with a predetermined voltage, detecting the voltage distribution of the array substrate, generating a correction value for correcting the voltage distribution of the array substrate, and measuring a threshold voltage of a driving transistor included in the plurality of pixel circuits formed on the array substrate by applying the correction value.

Array testing method and device

A display device includes a first insulation layer on a substrate, gate wires on the first insulation layer, the gate wires extending in a first direction, a second insulation layer on the gate wires, data wires on the second insulation layer, the data wires extending in a second direction crossing the first direction, pixels at intersection regions of gate wires and data wires, respectively, the pixels being connected to respective gate wires and data wires, and data leading diodes having an island form and connected to the data wires, the data leading diodes being configured to induce breakage of the first insulation layer when external static electricity passes through the data wires.

Method and apparatus for controlling breakage by static electricity

A display device includes a plurality of pixels, each pixel including an organic light emitting diode (OLED) and a driving transistor, a sustain power supply unit applying a first sustain voltage to a plurality of data lines connected to the plurality of pixels, and a data driver applying one of a data signal and a second sustain voltage to the plurality of data lines. For each pixel, the sustain power supply unit applies the first sustain voltage as a first level voltage to reset a gate voltage of the driving transistor and applies the first sustain voltage as a second level voltage to increase the gate voltage of the driving transistor. When an anode voltage of the OLED in each pixel is discharged to be reset, the anode voltage of the OLED is controlled according to a voltage difference between the first level voltage and the second level voltage.

Display device and driving method thereof

A pixel includes an organic light emitting diode, a first transistor that is connected to a first power source and that supplies a driving current according to a corresponding data voltage to the organic light emitting diode, a second transistor that is connected to a scan line and that transmits the corresponding data voltage from a data line to a driving transistor according to a scan signal transmitted from the scan line, and a first capacitor including one electrode connected to a gate electrode of the first transistor. The first capacitor stores the corresponding data voltage as a first voltage and a size of the first capacitor is in a range of about 2 times to about 4 times a size of a gate insulating layer of the first transistor.

Pixel and array test method for the same

A scan driving device includes: a first scan driving block group including scan driving blocks receiving at least two different clock signals among a plurality of scan driving blocks which are sequentially arranged; a second scan driving block group including scan driving blocks receiving at least two clock signals which are the same as at least two clock signals inputted to each of the scan driving blocks included in the first scan driving block group; first line transistors connected in parallel to scan lines of each of the scan driving blocks included in the first scan driving block group, and turned on or off according to a first line connection signal; and second line transistors connected in parallel to a scan line of each of the scan driving blocks included in the second scan driving block group and turned on or off according to a second line connection signal.

Scan driving device, method for driving scan driving device, and method for managing defect of scan driving device

A method for testing an array for a pixel circuit of an organic light emitting diode display, which includes a first transistor that transmits a driving current corresponding to a data signal to an organic light emitting diode according to a scan signal and at least one capacitor, uses an array test device having a control device and a driver. The method includes performing a first irradiation of electron beams to an exposed portion of a first electrode of the at least one capacitor before manufacturing of the organic light emitting diode is completed, calibrating the control device of the array test device based on secondary electrons output by the at least one capacitor, performing a second irradiation of electron beams to an anode of the pixel circuit, and detecting whether the first transistor is normally operated based on an output amount of secondary electrons output by the anode.

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Yongin, South Korea

Guang Hai Jin