Patents
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
01/1991
01/16/1991EP0408347A1 Display apparatus
01/16/1991EP0407944A2 Color image forming method providing balanced color tone
01/16/1991EP0407822A2 Polymer liquid crystal device
01/16/1991CN1048645A Preparation of strip shaped electric poles for matrix displayer
01/15/1991USRE33520 Dot matrix plasma display and method for driving same
01/15/1991US4985770 Field discriminating circuitry useful in LCD displays
01/15/1991US4985698 Display panel driving apparatus
01/15/1991US4984887 Driving method for a flat panel display apparatus and the flat panel display apparatus
01/10/1991WO1991000587A1 Video image controller for low power computer
01/09/1991EP0406975A2 Active matrix-addressed display devices
01/09/1991EP0406900A2 Driving circuit for liquid crystal display apparatus
01/09/1991EP0406870A2 Active matrix liquid crystal display having reduced drain bus lines
01/09/1991EP0406705A2 Liquid crystal apparatus and chiral smectic liquid crystal composition for use therein
01/09/1991EP0406290A1 Liquid crystal colour displays.
01/08/1991US4984198 Liquid crystal electrooptic memory device
01/08/1991US4984179 Method and apparatus for the perception of computer-generated imagery
01/08/1991US4983885 Thin film EL display panel drive circuit
01/08/1991US4983031 Three-dimensional volumetric display system
01/08/1991CA1278890C2 Driving method for optical modulation device
01/08/1991CA1278889C Liquid crystal display driver
01/03/1991DE4014373A1 Liquid crystal display for car cassette radio - has change from dark to white characters dependent upon ambient lighting intensity
01/02/1991EP0406116A1 Process and device for dimming a fluorescent lamp of an LCD backlight
01/02/1991EP0406022A2 Display apparatus
01/02/1991EP0405504A2 Information display system suitable for compact electronic appliances having different display sizes
01/01/1991US4982183 Alternate polarity symmetric drive for scanning electrodes in a split-screen AC TFEL display device
01/01/1991US4982182 Directly driven light emitting diode array
01/01/1991US4982181 Alphanumeric display
01/01/1991US4981340 Method and apparatus for readout of information from display panel
01/01/1991US4981339 Liquid crystal display driver
12/1990
12/31/1990WO1991000588A1 Power system and scan method for liquid crystal display
12/31/1990CA2019628A1 Dimming method and device for fluorescent lamps used for backlighting of liquid crystal screens
12/27/1990EP0404182A1 Personal computer for setting, in setup operation, normal/reverse display, external device, and automatic display off
12/27/1990EP0404025A2 Driver circuit for switching elements, especially for liquid crystal screens
12/27/1990EP0404022A2 Flat configuration image display apparatus and manufacturing method thereof
12/27/1990EP0304484A4 Video display interface
12/27/1990EP0192784B1 Liquid crystal display device
12/26/1990CN2068270U Monoboard computer chinese characters number indicator
12/25/1990US4980853 Bit blitter with narrow shift register
12/25/1990US4980678 Display controller for CRT/flat panel display apparatus
12/20/1990WO1990016057A1 Color display system using thin film color control
12/20/1990DE4018805A1 Drive circuit for LCD - has segment and rear plate drive circuits and discharges cells shortly before changes in corresp. data signal levels
12/20/1990CA2059135A1 Color display system using thin film color control
12/19/1990EP0403268A2 Video signal compensation apparatus
12/19/1990EP0403232A2 Elevator electroluminescent (EL) display system
12/19/1990EP0402983A1 Driving circuit for a matrix display device
12/19/1990EP0402850A2 Dot-matrix display apparatus
12/19/1990EP0402848A2 Liquid crystal display apparatus and method of performing liquid crystal display
12/18/1990US4979030 Color display apparatus
12/18/1990US4978952 Flat screen color video display
12/18/1990US4978951 Matrix display devices with interconnected diode ring circuit providing fault tolerance
12/12/1990EP0402137A2 Projection type image display apparatus
12/12/1990EP0402130A2 Method and apparatus for driving color display device
12/11/1990US4977389 Indicator and method of indicating trouble
12/11/1990US4976515 Method of driving a ferroelectric to display device to achieve gray scales
12/05/1990EP0400993A2 Projection-type image display apparatus
12/05/1990EP0400992A2 Method for driving display device
12/05/1990EP0335962A4 Electronic display system
12/05/1990EP0335931A4 Shopping cart display system
12/05/1990EP0272281A4 Graphics adapter
12/04/1990US4975734 Copying machine having a displaying portion capable of displaying a plurality of pieces of information
12/04/1990US4975692 Apparatus for driving electroluminescence panel
12/04/1990US4975691 Scan inversion symmetric drive
11/1990
11/29/1990WO1990014625A1 Power source circuit
11/29/1990WO1990012354A3 Display
11/28/1990EP0399173A2 Color display device
11/28/1990EP0399136A2 Display apparatus
11/28/1990EP0237539B1 Device for controlling an integrated memory matrix imager and control method thereof
11/27/1990US4973952 Shopping cart display system
11/27/1990US4973135 Active matrix display panel having plural stripe-shaped counter electrodes and method of driving the same
11/22/1990EP0398300A1 Light-to-light conversion method and display unit using the same
11/22/1990DE4015932A1 Liquid crystal display for high quality images - has image element matrix with compensation circuit for voltage edge sharpening or waveform distribution masking
11/21/1990CN1047146A Improvements in electrooptical display cells
11/20/1990US4972122 Fluorescent display tube head-up display apparatus eliminating a heated filament image of fluorescent display tube
11/15/1990DE4014748A1 Integrated driver circuit for display with flat screen - has outputs for signals corresp. to each half of input drive data sequence
11/14/1990EP0397260A1 Passive display device
11/13/1990US4970503 Method for continuously and automatically monitoring the electrical operability and control capability in a liquid crystal display unit
11/13/1990US4970502 Running character display
11/13/1990US4970441 Brightness stabilizing control of a VF display
11/07/1990EP0396414A2 Information display system
11/07/1990EP0396247A2 Dual anode flat panel electrophoretic display apparatus
11/07/1990EP0395735A1 Color to monochrome conversion
11/06/1990US4968917 Electronic dimmer control for vacuum fluorescent display devices
10/1990
10/31/1990EP0395429A2 Image display apparatus
10/31/1990EP0395387A2 Display drive circuit
10/31/1990EP0395016A2 Apparatus and method for forming color image
10/31/1990EP0394903A2 Liquid crystal apparatus
10/31/1990EP0394814A1 Improved electro-optical display cell
10/31/1990DE3913877A1 Electro-optical multiple segment display - monitors potential drops of display segments contg. diode strands for individual segment fault detection
10/30/1990US4967373 Multi-colored dot display device
10/30/1990US4967100 Capacitive load driving apparatus
10/25/1990DE3913826A1 Display device for vehicle arrival, departure times - is suitable for small urban networks with centralised, automated systems
10/24/1990EP0394023A2 Image display apparatus
10/24/1990EP0393487A2 Display device driving circuit
10/23/1990US4965668 Adaptive rounder for video signals
10/23/1990US4965566 Signal electrode drive circuit for image display apparatus operable under low frequency
10/23/1990US4965563 Flat display driving circuit for a display containing margins
10/23/1990US4964719 Control method of brightness of screen used for projection display and control apparatus of the same
10/23/1990US4964699 Display device
10/19/1990WO1990013067A1 Data transmission system
10/18/1990WO1990012389A1 Converter for raster-image data from single-segment to multi-segment streams