Samsung Display Co., Ltd.

Sung-Hoon Moon

Seung-Gyu Tae

Deok-Hoi Kim

Zhi-Feng Zhan

A thin film transistor includes a semiconductor formed on a substrate and having a source region, a first drain region spaced apart from the source region by a first current channel, and a second drain region spaced apart from the source region by a second current channel which has the different length from that of the first current channel, a gate electrode insulated from the semiconductor by a gate insulating layer, a source electrode connected to the source region of the semiconductor, a first drain electrode connected to the first drain region of the semiconductor, a second drain electrode connected to the second drain region of the semiconductor, and a bypass line electrically connecting the first drain region and the second drain region.

Thin film transistor and organic light emitting diode display including the same

An OLED display is disclosed which included gate wires provided on a substrate and extended in a first direction, data wires provided on the gate wires and extended in a second direction that crosses the first direction; a pixel circuit including first thin film transistors respectively connected to the gate wires and the data wires; and an organic light emitting diode connected to the pixel circuit. The thin film transistor includes a first active layer provided on the substrate to connect the data wires and the organic light emitting diode, and includes a channel area, a source area, and a drain area. The source area and the drain area doped with an impurity and a first gate electrode is not doped with the impurity and provided on the first active layer, interposing sequentially layered first and second insulation layers therebetween.

Organic light emitting diode display and method for manufacturing an organic light emitting diode display

An organic light emitting diode (OLED) display includes: a substrate; an organic light emitting element formed on the substrate; a first thin film transistor connected to the organic light emitting element and including an amorphous silicon channel region; and at least one other thin film transistor connected to the first thin film transistor and including a polysilicon channel region.

Organic light emitting diode display

A flat panel display apparatus includes a first pixel region on a substrate and defined by an intersection between a first gate line and a data line. The first pixel region includes a first transistor and a first capacitor and is covered by a first pixel electrode. The apparatus includes a second pixel region adjacent to the first pixel region and defined by an intersection between a second gate line and the data line. The second pixel region is covered by a second pixel electrode. The first gate line is positioned between the first pixel electrode and the second pixel electrode. A second capacitor is in the second pixel region, and the second capacitor includes a first transparent conductive layer and a second transparent conductive layer. A transparent shielding portion extends from the second transparent conductive layer of the second capacitor toward the first pixel region to overlap with the first gate line.

Flat panel display apparatus

A method of driving a display panel includes sequentially applying a gate signal to a plurality of gate lines of the display panel during each frame period of a plurality of frame periods, applying data voltages to a plurality of data lines of the display panel, and applying a common voltage to the display panel, a polarity of the common voltage being inverted periodically and asynchronously with a frame period of the frame periods.

Growing community of inventors

Yongin, South Korea

Sung-Hoon Moon