Abstract:
PURPOSE: A transparent transistor and a manufacturing method thereof are provided to improve the efficiency of a process and solve a contact resistor problem by forming a multilayer transparent conductive layer capable of improving transparency and conductivity. CONSTITUTION: A source electrode and a drain electrode(S/D) includes a lower transparent layer(110), a metal layer(120), and a multilayer structure of an upper transparent layer(130) and is formed on a substrate. A channel is formed between the source electrode and the drain electrode. The gate electrode(G) is formed by being aligned with the channel. The lower transparent layer or the upper transparent layer is formed into a transparency semiconductor layer same as the channel. The gate electrode has a lower transparent layer, a metal layer, and a multilayer of the upper transparent layer.
Abstract:
PURPOSE: A transparent signboard is provided to improve space utilization by displaying necessary information without interrupting a visual field of people. CONSTITUTION: A transparent signboard(200) includes a transparent display(200a), a controller(200b) and a interface unit(200c). The transparent display displays information in a transparent state. The transparent display is made of a transparent OLED and a transparent backplane. The transparent backplane includes a transparent oxide thin film transistor. The controller controls the transparent display. The interface unit supplies the interface between the controller and the transparent display.
Abstract:
PURPOSE: A composition for a sputtering target of an oxide semiconductor thin film, a method for manufacturing the sputtering target, and the sputtering target are provided to obtain a transparent oxide semiconductor film showing high mobility through a low-temperature process less than 300°C. CONSTITUTION: A method for manufacturing a sputtering target comprises the following steps: blending(S11) and crashing raw material powder consisting of aluminum oxide, zinc oxide, and tin oxide; molding(S12) the powder in a desired form; fist calcinating a molding product at 500 - 1000°C; pulverizing and mixing the molding product which is fist calcinated; and molding the mixed powder; sintering(S13) the molding product. Indium oxide is more included in the raw material powder.
Abstract:
A device for displaying an organic light emitting diode is provided to compensate for the deviation of the threshold voltage of transistor within the pixel structure without arranging the additional transistors within the pixel circuit. A device for displaying an organic light emitting diode comprises a display panel(210) and a driver circuit(220). The display panel has pixels. Each of the pixels has a transistor. The transistor is electrically and serially connected with the organic light-emitting diode. The transistor transmits the current to the organic light-emitting diode according to the data signal of the gate. The organic light-emitting diode is arranged between the first and the second power supply voltages with the transistor. The driver circuit drives the pixels by supplying the scan signal, the data signal, the first supply voltage and the second supply voltage to the display panel. The driver circuit has a threshold voltage variation calculation unit(221) and a power source voltage conversion unit(222). The threshold voltage variation calculation unit calculates the deviation between the threshold voltage and the standard threshold voltage of transistor.
Abstract:
A foldable display device using a transparent display is provided to output various images to respective transparent displays, thereby improving user's convenience. A transparent display unit(220) comprises a transparent display(222). The transparent display unit enables switching into a transparent mode transmitting light or a display mode outputting image data. A control unit(210) sets the transparent display in the transparent mode or the display mode based on a signal received during an activation state of a device. A lower panel housing is connected to the transparent display unit to enable folding and unfolding.
Abstract:
An organic light-emitting diode touch screen device and a manufacturing method thereof are provided to ensure a thin organic light-emitting diode touch screen device and to simplify a manufacturing process by using an infrared sensor. An organic light-emitting diode touch screen device comprises a display light-emitting unit and a touch sensing unit. The display light-emitting unit(200) includes a thin film transistor and an organic light-emitting diode controlled by the thin film transistor. The touch sensing unit(210) includes an infrared sensor and an infrared filter filtering and transmitting only infrared signals generated in the infrared sensor. The display light-emitting unit is arranged on the planar surface of the organic light-emitting diode touch screen device. The touch sensing unit is arranged between the display light-emitting units evenly.