An object is to provide a semiconductor device of which a manufacturing process is not complicated and by which cost can be suppressed, by forming a thin film transistor using an oxide semiconductor film typified by zinc oxide, and a manufacturing method thereof. For the semiconductor device, a gate electrode is formed over a substrate; a gate insulating film is formed covering the gate electrode; an oxide semiconductor film is formed over the gate insulating film; and a first conductive film and a second conductive film are formed over the oxide semiconductor film. The oxide semiconductor film has at least a crystallized region in a channel region.

Semiconductor device, and manufacturing method thereof

An organic light-emitting display includes a first substrate which includes a pixel region, and an encapsulation region which surrounds the pixel region, an organic light-emitting device which is located in the pixel region, a sealant which is located in the encapsulation region, and a dummy metal which is interposed between the first substrate and the sealant, where the encapsulation region includes a first encapsulation region and a second encapsulation region which is adjacent to the first encapsulation region, and the dummy metal is located in the first encapsulation region.

Organic light emitting display

An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a stretchable substrate, a thin film transistor (TFT) formed over the stretchable substrate and including a plurality of electrodes, an OLED electrically connected to the TFT and including a plurality of electrodes, and a plurality of interconnection lines connected to the electrodes of the OLED and the TFT. At least one of the interconnection lines is configured to move in a stretching direction and rotate an electrode selected from the electrodes of the OLED and the TFT connected to the at least one interconnection line.

Organic light-emitting diode display

In a display apparatus and a driving method thereof, a detector determines whether a timing controller is operated in a three-dimensional (3D) mode or a two-dimensional (2D) mode to output a first or second mode signal according to a result of the determination. A compensator compensates for a gamma value of a 3D image to be increased in response to a first mode signal when the 2D mode is converted to the 3D mode and decreases an increased gamma value to a gamma value for a 2D image in response to a second mode signal when the 3D mode is converted to the 2D mode.

Display apparatus and method of driving the same

The present invention provides OLEDs of the top emission type comprising organic light-emitting (LE) elements by preventing the problems such as the widening of the power lines, the reduction in the aperture ratio caused by the widening of the upper and the lower capacitor electrodes and the short circuit between the upper and the lower electrodes caused by the roughness of the flattening layers. Two kinds of the OLEDs are provided. One is an OLED comprising a region of LE layer sandwiched between the upper and lower electrodes is formed on a power line of TFT for driving the pixel. Another comprises a region of the LE layer formed on an electrode of capacitor connected to the TFTs to control the light-emitting element. Accordingly, without forming a flattening layer on the light-emitting layer, there is no electric short circuit between the lower electrode and the upper electrode.

Organic Light Emitting Display Device

A method for driving data with a data driver in a display device. The data driver includes an input module, a plurality of latches, a plurality of shift registers, and a digital-to-analog converter (DAC). The method includes utilizing the input module to receive an N-bit digital data set that is classified into m groups, wherein m and n are integers with values either equal to or greater than two. The method further includes utilizing the shift registers to output a plurality of switch signals so as to store the m groups of digital data into the latches in sequence, transmitting the m groups of digital data into the DAC in sequence according to the switch signals, transforming the m groups of digital data into a corresponding analog voltage signal in sequence, and outputting the analog voltage signal to a data line in sequence for pre-charging and driving the data line.

Data driver and related method used in a display device for saving space

A method for reducing power consumption of an LCD panel in a standby mode. The LCD panel includes a plurality of pixel drivers and a plurality of data drivers. Each pixel driver has a liquid crystal capacitor, a storage capacitor, a selection circuit, and four switches. Each data driver has a shift register, a comparator, and several switches. The method includes transmitting data from a signal line to the comparator and comparing the data with a reference voltage, then transmitting a corresponding control signal outputted from the comparator to the selection circuit via the data line, the selection circuit outputting a corresponding display signal to the liquid crystal capacitor according to the control signal.

Method for reducing power consumption of an LCD panel in a standby mode

An integrated data driver used in a current-driving display device includes a digital-to-analog current converter for transforming a digital signal into an analog current signal, and a plurality of sets of data driving circuits for driving a plurality of corresponding data lines. Each set of data driving circuits includes a current-copying/reproducing module and a control circuit. The current-copying/reproducing module is used to store a predetermined voltage for conducting the analog current signal in a transforming/storing status and to conduct a reproducing current signal, which is generated by the predetermined voltage, to the corresponding data line in a reproducing/sustaining status. The control circuit is electrically connected between the digital-to-analog current converter and the current-copying/reproducing module for providing a switch between the transforming/storing status and the reproducing/sustaining status.

Integrated data driver structure used in a current-driving display device

A dual gate layout of a thin film transistor of liquid crystal display to alleviate dark current leakage is disclosed. The layout comprises (1) a polysilicon on a substrate having a L-shaped or a snake shaped from top-view, which has a heavily doped source region, a first lightly doped region, a first gate channel, a second lightly doped region, a second gate channel, a third lightly doped region and a heavily doped drain region formed in order therein; (2) a gate oxide layer formed on the polysilicon layer and the substrate, (3) a gate metal layer then formed on the gate oxide layer having a scanning line and an extension portion with a L-shaped or an I-shaped. The gate metal intersects with the polysilicon layer thereto define the forgoing gate channels. Among of gate channels, at least one is along the signal line, which is connected to the source region through a source contact.

Dual Gate Layout for Thin Film Transistor

A time division driven display and a method for driving the same. The display includes a panel having data lines, a source driver having output pins, a precharge controller and a demultiplexer. The precharge controller electrically connected to these data lines selects one from these data lines to precharge. The demultiplexer coupled to the output pins and these data lines couples the corresponding output pin to the selected data line for the source driver to drive the selected data line after the selected data line is precharged.

Wein-Town Sun

Papers

Data driver and related method used in a display device for saving space

Method for reducing power consumption of an LCD panel in a standby mode

Integrated data driver structure used in a current-driving display device

Dual Gate Layout for Thin Film Transistor

Time division driven display and method for driving same