Abstract:
PURPOSE: A resistive memory device having a stack structure, a memory system having the resistive memory device, and a method of setting cell type of stacked memory cell array layers are provided to improve the utilization efficiency of the memory cell by selectively setting the cell type of a stacked variable resistance memory cell array layer. CONSTITUTION: A control circuit(1200) establishes the program mode of a memory cell array layer based on the address signal. The control circuit generates the layer selection signal based on the row control signal(CONX) and the column control signal(CONY). A row decoder(1400) generates a word line driving signal by decoding the row control signal and the layer selection signal.
Abstract:
적색, 녹색 및 청색 화소가 소정의 순서로 배열되어 있는 액정 표시 장치에 있어서, 적색 화소를 기준으로 하여 최대 휘도를 발휘하도록 계조 전압이 설계되어 있고, 녹색 화소가 최대 휘도를 나타내는 녹색 최대 전압을 기준으로 하여 녹색 화소에 인가되는 계조 데이터가 녹색 최대 전압 이상의 전압을 나타내는 경우에는 녹색 최대 전압 이하의 소정 전압을 인가하고, 청색 화소가 최대 휘도를 나타내는 청색 최대 전압을 기준으로 하여 청색 화소에 인가되는 계조 데이터가 청색 최대 전압 이상의 전압을 나타내는 경우에는 청색 최대 전압 이하의 소정 전압을 인가하는 액정 표시 장치 및 그 구동 방법. 레드 설계, 계조간 색이동, 감마 곡선
Abstract:
PURPOSE: A liquid crystal display device and a manufacturing method thereof are provided to increase the aperture ratio and maintenance capacitance by forming a maintenance condenser between a pixel electrode and a common electrode. CONSTITUTION: Pixel electrodes(191R,191G,191B) are connected to thin film transistors. A main spacer(320B1) is formed on the second substrate and is overlapped with the thin film transistors. Sub-spacers(320R,320G,320B2) are formed on the second substrate and are overlapped with the pixel electrodes. A common electrode is formed on the second substrate, main spacer and sub-spacers.
Abstract:
A touch panel display device is provided to confirm the touched position effectively and prevent mis-operation. A gate line(121) is formed on a substrate along the first direction. A data line(171) is formed on the different plane extended to the second direction. A driving thin-film transistor(T1) is the three-terminal element. A gate electrode(131) and a source electrode(181) are connected to the gate line and data line. An optical sensor(T2,T3) is formed including the optical sensing thin film transistor(T2) and output thin film transistor(T3). The optical sensing thin film transistor the gate electrode(133) and source electrode(183) are electrically connected to the off voltage line(123) and power line(173). A drain electrode(185) is connected to the source electrode(187) of the output thin film transistor.
Abstract:
A method for manufacturing a semiconductor device having conductive patterns is provided to prevent short circuit between bit lines by forming recessed barrier metal patterns, and to remove spherical defects by an etching process after a planarization process. A method for manufacturing a semiconductor device(100) comprises the steps of: forming an interlayer dielectric(111) above a semiconductor substrate(101); forming a groove on the interlayer dielectric; forming a barrier metal layer covering the interlayer dielectric which is formed with the groove; forming a conductive layer which is deposited on the barrier metal layer; flatting the conductive layer and the barrier metal layer to form conductive patterns and barrier metal patterns until exposing the interlayer dielectric; and etching back the conductive patterns and the barrier metal layer, using an etching condition that etching speed with regard to the barrier metal patterns is faster than that with regard to the conductive patterns.
Abstract:
A method of driving an electrophoretic display device is provided to improve display performance of the electrophoretic display device by suppressing kick-back voltage by applying a gate-off signal to plural gate lines. An electrophoretic display device includes an electrophoretic display panel(50), a gate driver(410), and a data driver(420). The gate and data drivers are mounted on the peripheral regions of a display region of a TFT(Thin Film Transistor) display plate of the electrophoretic display panel. The gate driver includes a gate driving chip(412) which is mounted on an FPCB(Flexible Printed Circuit Board,414), and a circuit board(416) whose one side is connected to one side of the FPCB. The data driver includes a data driving chip(422) which is mounted on the FPCB(424), and a circuit board(426) whose one side is connected to the FPCB.
Abstract:
An electrophoretic display device is provided to form first and second spacers facing each other in a horizontal direction, thereby detecting a user-touched position through first and second touch conductive lines connected to the first and second touch spacers. An electrophoretic display device comprises a first array substrate(140) and a second array substrate(150). The first array substrate includes a common electrode(142) formed on an upper substrate and microcapsules disposed on the common electrode. Each of the microcapsules contains pigments respectively charged with a positive polarity and a negative polarity. The second array substrate includes gate and data lines formed on a lower substrate, a thin film transistor connected to the gate and data lines, a pixel electrode(122) connected to the thin film transistor, and first and second spacers(170,180) distanced from each other and facing each other in a horizontal direction. The first and second spacers are used to detect the coordinate of a touched point when a user touches the upper substrate.
Abstract:
An LCD device and a driving method thereof are provided to compensate for response speed of the liquid crystal by using white light to realize higher luminance. An LCD(Liquid Crystal Display) device includes a light source array(112) and a light source driver(108). The light source array includes plural light sources, which irradiate lights to a liquid crystal panel(110). The light source driver drives the light source array to turn on at least one of the light sources with different luminance from a pixel data signal during one of plural sub-frames. The light source driver drives the light source array to realize white light with higher luminance than the luminance corresponding to the pixel data signal.
Abstract:
A display device and a method for driving the same are provided to improve the display quality of an image, by individually controlling unit pixels of a display panel and light emitting diodes of a light generating unit so as to improve the contrast ratio. A display panel assembly(100) has a plurality of unit pixels. A light generating unit(200) is disposed below the display panel assembly, wherein the light generating unit supplies light to the display panel assembly. The light generating unit has a plurality of light emitting diodes(220) corresponding to the unit groups consisting of a predetermined number of unit pixels. A control unit(300) is electrically connected to the display panel assembly and the light generating unit. The control unit individually controls the unit pixels by regions and the light emitting diodes by regions.