Lg Display Co., Ltd.

Sanghyeon Kwak

SeYeoul Kwon

Sangcheon Youn

HeeSeok Yang

Saemleenuri Lee

Soyoung Jo

YoonDong Cho

DongYoon Kim

AnNa Ha

Namwook Cho

Jin-Hyun Jung

Bu Yeol Lee

Aram Shin

Discussed is an OLED display device. The OLED display device includes a first transistor, a driving transistor, a first capacitor, a second transistor, an OLED, and a third transistor. The first transistor supplies a data voltage or a reference voltage to a first node according to a scan signal. A gate of the driving transistor is connected to the first node, a source of the driving transistor is connected to a second node, and a drain of the driving transistor is connected to a fourth node. The first capacitor is connected between the first and second nodes. The second transistor supplies a high-level source voltage to the second node. The OLED emits light with a difference voltage between voltages of the first and second nodes. The third transistor connects the fourth node to a fifth node according to a second emission control signal.

Organic light emitting diode display device and method for driving the same

A flexible display substrate, a flexible organic light emitting display device, and a method of manufacturing the same are provided. The flexible display substrate comprises a flexible substrate including a display area and a non-display area extending from the display area, and a wire formed on the flexible substrate. At least a part of the non-display area of the flexible substrate is formed in a crooked shape in a bending direction, and the wire positioned on at least a part of the non-display area of the flexible substrate includes a plurality of first wire patterns, and a second wire pattern formed on the plurality of first wire patterns and electrically connected with the plurality of first wire patterns.

Flexible display substrate, flexible organic light emitting display device and method of manufacturing the same

A flexible display substrate, a flexible organic light emitting display device, and a method of manufacturing the same are provided. The flexible display substrate comprises a flexible substrate including a display area and a non-display area extending from the display area, a first wire formed on the display area of the flexible substrate, and a second wire formed on the non-display area of the flexible substrate, wherein at least a part of the non-display area of the flexible substrate is curved in a bending direction, and the second wire formed on at least a part of the non-display area of the flexible substrate includes a first portion formed to extend in a first direction and a second portion formed to extend in a second direction.

Flexible display substrate, flexible organic light emitting display device and method for manufacturing the same

Discussed is an OLED display device and a method of driving the same. The OLED display device includes first to third transistors, a capacitor, a driving transistor, and an OLED. The first transistor supplies a data voltage to a first node according to a first scan signal. A first electrode of the second transistor is connected to the first node, and a gate of the second transistor is connected to a second electrode of the second transistor. The third transistor initializes a voltage of a second node according to a second scan signal. One end of the capacitor is connected to the second node, and the other end of the capacitor is connected to a third node. A gate of the driving transistor is connected to the second node, and a source of the driving transistor is connected to the third node. The OLED emits light.

Flexible display substrate with wire in curved bending area

Disclosed is an OLED display device. The OLED display device includes a metal line and a thin film transistor that are formed on a substrate, a first insulating layer formed on the metal line and the thin film transistor, a storage electrode formed on the first insulating layer, and connected to the metal line, a second insulating layer formed on the storage electrode, and an anode electrode formed on the second insulating layer to be connected to the thin film transistor and overlapping the storage electrode with the second insulating layer therebetween.

Organic light emitting diode display device and method of manufacturing the same

Discussed is an OLED display device that can compensate for the deviation of a threshold voltage and also prevent deterioration of an OLED, and a method of driving the same, wherein the OLED display device includes first to fifth transistors, a driving transistor including gate, source and drain electrodes, a capacitor for sensing a threshold voltage of the driving transistor, and an OLED.

Growing community of inventors

Paju-si, South Korea

Sanghyeon Kwak