Patent application number | Description | Published |
20120086689 | Display Driving Circuit, Display Device And Display Driving Method - An embodiment of the present invention switches, in a display driving circuit of a liquid crystal display device which carries out CC driving, between a two-line reversal driving mode in which a polarity of a data signal supplied to a source line is reversed every two horizontal scanning periods and a one-line reversal driving mode in which a polarity of a data signal supplied to a source line is reversed every one horizontal scanning period. In at least one example embodiment, a polarity signal reverses its polarity every two horizontal scanning periods in the two-line reversal driving mode, and reverses its polarity every one horizontal scanning period in the one-line reversal driving mode. | 04-12-2012 |
20120169579 | MEMORY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE EQUIPPED WITH MEMORY DEVICE - A transistor (N1) has a gate terminal connected to a word line (Xi( | 07-05-2012 |
20120169580 | Liquid Crystal Display Device - A memory liquid crystal display device includes a transistor (N | 07-05-2012 |
20120169690 | DISPLAY DEVICE AND DRIVE METHOD FOR DISPLAY DEVICE - Provided are a display device capable of preventing image noise arising from changes in potential of a common electrode and auxiliary capacitor lines at the time of a switch between a normal mode and a memory mode and a method for driving such a display device. In a case where it is necessary to cause the common electrode and the auxiliary capacitor lines to change in potential along with a switch between the normal mode and the memory mode, the change in potential is made while electrically connecting a node of each memory circuit to a corresponding source line with the corresponding source line having its potential fixed and with the memory circuit having its a switch circuit in a conductive state. | 07-05-2012 |
20120169750 | DISPLAY DEVICE AND DRIVE METHOD FOR DISPLAY DEVICE - Provided are a memory-type display device capable of improving image quality during a normal mode and a method for driving such a display device. Each memory circuit (MR | 07-05-2012 |
20120169751 | DISPLAY APPARATUS AND DISPLAY APPARATUS DRIVING METHOD - In an active matrix display apparatus including: pixels provided in a matrix pattern, the pixels each including a memory circuit which retains data while refreshing the data, a data signal electric potential which is supplied from a source line in a period t | 07-05-2012 |
20120169753 | MEMORY DEVICE, DISPLAY DEVICE EQUIPPED WITH MEMORY DEVICE, DRIVE METHOD FOR MEMORY DEVICE, AND DRIVE METHOD FOR DISPLAY DEVICE - A memory device is provided which includes a memory circuit that allows a circuit which carries out a refresh operation to suitably carry out an original operation of the circuit even if an off-leakage current occurs in a transfer element used in a transfer section. A memory cell includes a switching circuit, a first retaining section, a transfer section, a second retaining section, a first control section, and a voltage supply, and the first control section is controlled to be in (i) a state in which the first control section carries out a first operation in which the first control section is in an active state or a non-active state and (ii) a state in which the first control section carries out a second operation. | 07-05-2012 |
20120176388 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVE METHOD THEREFOR - In a memory liquid crystal display device, a potential of a storage capacitor line signal (CS) supplied to the CS lines (CSL(i)) are once decreased (ΔVcs) while the gate lines (GL(i)) are made simultaneously active (period t | 07-12-2012 |
20120176393 | MEMORY DEVICE, DISPLAY DEVICE EQUIPPED WITH MEMORY DEVICE, DRIVE METHOD FOR MEMORY DEVICE, AND DRIVE METHOD FOR DISPLAY DEVICE - Provided is a memory device that allows an amount of leakage into a first retaining section to which a binary logic level is written to be balanced between different circuit states. A predetermined period is set in which in a state where a first control section turns off an output element, (i) a first retaining section and a second retaining section retain an identical binary logic level, (ii) an electric potential of a voltage supply is set to one of a first electric potential level and a second electric potential level, (iii) the other one of the first electric potential level and the second electric potential level is supplied from a column driver to a fourth wire, and (iv) subsequently the fourth wire is shifted to a floating state. | 07-12-2012 |
20120179923 | MEMORY DEVICE, DISPLAY DEVICE EQUIPPED WITH MEMORY DEVICE, DRIVE METHOD FOR MEMORY DEVICE, AND DRIVE METHOD FOR DISPLAY DEVICE - A memory device can perform a first operation mode in which a discrete level is supplied to cause the memory cell to retain a logical level, and prevent unnecessary power consumption due to an operation of a power source which is unnecessary in the first operation mode. The memory device includes: a first power source (VDD) for supplying a first potential level; a second power source (VSS) for supplying a second potential level, a third power source (GVDD) for supplying a potential higher than a highest potential of discrete levels; and a fourth power source for supplying a potential lower than a lowest potential of the discrete levels, the first and second potential levels being used to supply the discrete levels, when the first operation is carried out, VDD, VSS, and GVDD being caused to be in operation and the fourth power source being stopped from being in operation. | 07-12-2012 |
20120188218 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVE METHOD FOR LIQUID CRYSTAL DISPLAY DEVICE - A memory-type liquid crystal display device includes a liquid crystal panel including memory circuits, and conducts a refresh operation more than once during a display holding period after rewriting of a screen. The memory-type liquid crystal display device increases at least one of (i) a frequency at which the screen is rewritten and (ii) a frequency at which the refresh operation is conducted during the display holding period as an intensity of light received by the liquid crystal panel increases. This allows the memory-type liquid crystal display device to reduce power consumption while keeping its display quality. | 07-26-2012 |
20120200549 | Display Device And Drive Method For Display Device - Provided is a display device which can prevent screen noise caused such that a potential of a common electrode is reversed after a memory mode enters from a refresh period to an entire write-in period, and a method for driving the display device. The memory mode includes (i) an entire write-in period in which a potential of the common electrode (COM) is fixed and the display data is written into all the memory circuits (node (PIX)) in each row and (ii) a refresh period in which the display data which has been written during the entire write-in period is refreshed at least once while the common electrode (COM) is driven. In the memory mode, the potential of the common electrode during the entire write-in period being a potential which the common electrode having been driven had at the end of a refresh period preceding the entire write-in period. | 08-09-2012 |
20120206510 | DISPLAY DRIVING CIRCUIT, DISPLAY DEVICE, AND DISPLAY DRIVING METHOD - A display device employing CC driving switches from (i) a first mode in which to carry out a display by converting resolution of a video signal by a factor of 2 in a column-wise direction to (ii) a second mode in which to carry out a display at the resolution of the video signal. During the first mode, signal potentials having the same polarity and the same gray scale are supplied to pixel electrodes included in respective two pixels that correspond to two adjacent scanning signal lines and that are adjacent to each other in the column-wise direction, and a direction of change in the signal potentials written to the pixel electrodes varies every two adjacent rows (2-line inversion driving). During the second mode, the direction of change in the signal potentials written to the pixel electrodes lines varies every single row (1-line inversion driving). | 08-16-2012 |
20120306829 | SHIFT REGISTER, SIGNAL LINE DRIVE CIRCUIT, LIQUID CRYSTAL DISPLAY DEVICE - A shift register includes a plurality of stages of unit circuits each including a flip-flop. Each of the unit circuits generates, by obtaining a sync signal in accordance with an output from the flip-flop, an output signal. The flip-flop includes a first switch and a second switch and a latch circuit for latching a signal supplied thereto and outputting the signal as the output from the flip-flop. A first shift direction signal is supplied to the latch circuit via the first switch, and the second shift direction signal is supplied to the latch circuit via the second switch. In each unit circuit other than those of the first and last stages, an output signal from a previous stage is supplied to a control terminal of the first switch, and an output signal from a subsequent stage is supplied to a control terminal of the second switch. | 12-06-2012 |
20130076607 | DISPLAY DEVICE - A plurality of the display panels ( | 03-28-2013 |
20130094166 | DISPLAY APPARATUS - A plurality of display panels ( | 04-18-2013 |
20130257846 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING SAME - A memory-type liquid crystal display device includes transistors (N | 10-03-2013 |
20130300722 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - This display device has a demultiplexer ( | 11-14-2013 |
20140098016 | FLIP-FLOP, SHIFT REGISTER, DISPLAY PANEL, AND DISPLAY DEVICE - A flip-flop circuit ( | 04-10-2014 |
20140098017 | DISPLAY DRIVE CIRCUIT, DISPLAY PANEL, AND DISPLAY DEVICE - A retention circuit ( | 04-10-2014 |
20140168181 | SHIFT REGISTER, DISPLAY DRIVE CIRCUIT, DISPLAY PANEL, AND DISPLAY DEVICE - A shift register is disclosed which includes, at respective stages, unit circuits ( | 06-19-2014 |
20140340383 | DISPLAY DEVICE AND ELECTRICAL APPARATUS - A display device is provided which is capable of preventing a malfunction and carrying out a common reverse drive without increasing electric power consumption. The display driver (a) supplies a voltage of a common electrode, whose a polarity is determined in accordance with (i) an oscillation circuit output signal (OCOUT) which is transmitted via a first wire different from a second wire used during a serial transmission and (ii) a SCS signal and (b) controls a reverse timing of the polarity of the voltage of the common electrode in accordance with the oscillation circuit output signal (OCOUT) and the SCS signal. | 11-20-2014 |