Abstract:
PROBLEM TO BE SOLVED: To provide a liquid crystal display device including a liquid crystal layer, a common electrode, and an electrode set. SOLUTION: The liquid crystal layer is placed between the common electrode and the electrode set, and the electrode set is provided for switching the liquid crystal layer. The electrode set includes a first electrode and a second electrode. The first electrode switches a first area of the liquid crystal layer. The second electrode switches a second area of the liquid crystal layer. The second area includes at least a part of the area of the liquid crystal layer that the first area does not include. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an active matrix organic light emitting device display preventing light emitting unevenness of a stripe shape and lowering of production yield, caused by electric current driving or the like, by forming a driving thin film transistor for an organic light emitting device by a standard laser technology. SOLUTION: Poly-silicon layers 34 and 36 of an active portion of a non-driving thin film transistor (including an outside electric circuit thin film transistor and a switch thin film transistor) of an organic light emitting device are formed by using a standard laser crystallization method. A poly-silicon layer 52 of an active portion of a driving thin film transistor for an organic light emitting device is formed by using a non-laser crystallization method or a low energy laser crystallization method. Therefore, the outside electric circuit thin film transistor and the switch thin film transistor have excellent electrical performance. For example, a high carrier mobility is obtained. Since the driving thin film transistor has good stability so that the resultant display obtains improved luminance uniformity. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a driving device having less voltage shift in a source bus due to driving in an adjacent column, capable of reducing a circuit area and achieving cost reduction. SOLUTION: The driving device includes: a reference voltage generator 110 generating a voltage value that determines a coarse range in gray-scale voltages; a first digital-analog converter 120 extracting a value representing the voltage range from the reference voltage generator 110 through high-order bits of a data code designating a gray-scale voltage with respect to a liquid crystal cell as a display object; second and third digital-analog converters 131, 132 for two columns, both selecting a detail value in the voltage range designated by the first digital-analog converter 120 through lower-order bits of the data code and selectively outputting the detail value of the first digital-analog converter 120; and a demultiplexer connecting the second and third digital-analog converters 131, 132 to one of even-number columns. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To improve display performance in a dark environment and reduce power consumption in a display device having at least a transmission mode as one of display modes. SOLUTION: The display device is provided with a display panel having an optical modulation mechanism for optically modulating transmission light transmitted from a rear surface side to a front surface side and a fluorescent material layer disposed on the rear surface side of the display panel as a light source for use in the transmission display mode. COPYRIGHT: (C)2009,JPO&INPIT