Patents
Sitemap › G09 - Educating; Cryptography; Display; Advertising; Seals › G09G - Arrangements or circuits for control of indicating devices using static means to present variable information › G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
Patents for G09G 3 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (121,486)
04/1991
04/18/1991WO1991005287A1 Process for projecting images temporarily stored in a liquid crystal light valve
04/18/1991DE4031905A1 LCD arrangement providing grey tone display - involving multilevel grey stage pulse generator for displaying several grey stages without degrading image quality
04/17/1991EP0422904A2 Method of driving antiferroelectric liquid crystal device
04/17/1991EP0422777A1 Improved flat panel display system and method
04/17/1991EP0422613A2 Liquid crystal device
04/17/1991EP0422594A1 Alternating cathode fluorescent lamp dimmer
04/16/1991US5008657 Self adjusting matrix display
04/13/1991CA2024743A1 Alternating cathode florescent lamp dimmer
04/11/1991DE3930774A1 Projector for video colour picture - has three mutually inclined mirror faces in intersection point of partial light current axes
04/10/1991EP0421869A1 Large scale matrix device for capturing or restoring images
04/10/1991EP0421772A2 Display apparatus
04/10/1991EP0421517A1 Alpha-numerical display device
04/10/1991EP0421428A2 Sampled video signal generating device for improving deviation based on difference of circuit characteristics among channels
04/10/1991EP0194315B1 Liquid crystal display
04/09/1991US5006840 Color liquid-crystal display apparatus with rectilinear arrangement
04/09/1991US5006839 Method for driving a liquid crystal optical apparatus
04/09/1991US5006838 Thin film EL display panel drive circuit
04/09/1991US5006739 Using a voltage follower
04/05/1991CA2026808A1 Large matrix device for image acquisition or recovery
04/04/1991DE3844701A1 Display screen - uses combination of LED and LCD devices for matrix display panel
04/03/1991EP0420727A1 Method and device for optimalisation of the contrast and the viewing angle of a liquid crystal display
04/03/1991EP0420703A2 Computer display
04/03/1991EP0420701A2 Flat-panel display with masking for VTR signals
04/03/1991EP0420572A2 A method for driving an active matrix display
04/03/1991EP0420518A2 Power saving drive circuit for TFEL devices
04/03/1991EP0420340A1 Display device
04/03/1991EP0420129A2 Liquid crystal electro-optical device and method for driving the same
04/02/1991CA1282509C Point matrix display programming
03/1991
03/27/1991EP0419184A2 Method and apparatus for driving a display device
03/27/1991CN1050298A Common driver circuit
03/26/1991US5003492 Display apparatus having data reset arrangement for fast changing of digital display
03/26/1991US5003396 Black and white monitoring system for use in a remote controller
03/26/1991US5003388 Apparatus for displaying a video signal
03/26/1991US5003302 Dual addressing transistor active matrix display screen
03/26/1991US5003298 Variable color digital display for emphasizing position of decimal point
03/26/1991US5003247 Measuring device with variable color background
03/26/1991US5003233 Radio frequency powered large scale display
03/26/1991US5003228 Plasma display apparatus
03/26/1991US5003179 Full color upconversion display
03/26/1991CA2025104A1 Flat panel display system and method
03/26/1991CA2022971A1 Power saving drive circuit for tfel devices
03/21/1991WO1991003807A1 Use of an integrated circuit as timed drive for a display matrix
03/21/1991WO1991003759A1 Lcd contrast adjustment system
03/20/1991EP0417578A2 Circuit for driving a liquid crystal display
03/20/1991EP0417523A2 Spatial light modulator and method
03/20/1991EP0417362A1 Data/facsimile telephone subset apparatus incorporating electrophoretic display
03/20/1991CN1012112B Display of light-emitting diode with scanning driver and brightness increment circuit
03/19/1991US5001481 MOS transistor threshold compensation circuit
03/19/1991US5001468 Flat panel display device with operator-controlled display
03/19/1991US5001399 Power supply for vacuum fluorescent displays
03/19/1991US5001392 Plasma display device
03/19/1991CA1281817C Data integrator
03/14/1991DE4021482A1 Display and operational command control - has numerous service keys near display for number of audio signal units of different functions
03/13/1991EP0416724A2 Brightness stabilizing control of a VF display
03/13/1991EP0416657A2 Image writing device
03/13/1991EP0416550A2 Image display apparatus using non-interlace scanning system
03/13/1991EP0416172A2 Information processing system with display panel
03/13/1991EP0381684A4 Microcomputer controlled display backlight
03/13/1991CN1012030B Method of driving display device and display device suitable for such method
03/13/1991CN1012029B Display arrangement with improved drive
03/12/1991US4999618 Driving method of thin film EL display unit and driving circuit thereof
03/12/1991US4999606 Underwater transmitter/receiver
03/12/1991US4999543 Brilliance control circuit for controlling the brilliance of fluorescent display tubes
03/07/1991WO1991002999A1 Thin-film transistor substrate, method of producing the same, liquid crystal display panel, and liquid crystal display device
03/06/1991EP0415500A1 Display device
03/06/1991EP0415349A2 Driving method of liquid crystal display
03/06/1991EP0414999A2 Display device with coordinate input function
03/06/1991EP0414988A2 Display system
03/06/1991EP0414960A1 Driving device and display system
03/05/1991US4998169 Flat-panel display unit for displaying image data from personal computer or the like
03/05/1991US4998100 Display control system
03/05/1991US4998099 Display control system
02/1991
02/28/1991DE3927494A1 Control voltage generator for LCD - contains negative temp. coefficient bipolar transistor and is suitable for motor vehicle
02/27/1991EP0414598A1 Plasma panel display device
02/27/1991EP0414478A1 A liquid crystal display apparatus
02/26/1991US4996523 Electroluminescent storage display with improved intensity driver circuits
02/20/1991EP0413390A2 Active matrix liquid crystal colour display devices
02/19/1991US4994796 Electro optical display device with redundant switching means
02/13/1991EP0412757A2 Display device
02/13/1991EP0412694A2 Display system
02/12/1991US4992803 Simultaneous laser writing of multiple LALC cells
02/12/1991US4991941 A field sequential
02/07/1991DE4023981A1 LCD reproduces at least nine colours - uses analogue input, X-Y axis drivers and serial-parallel converter with cyclic data extraction
02/06/1991EP0411933A2 An active matrix display apparatus
02/06/1991EP0411928A2 Display system
02/06/1991EP0411464A2 Flat panel display controller using dual-port memory
02/06/1991EP0411086A1 Video dekstop camera.
02/06/1991EP0221112B1 Ferroelectric liquid crystal devices
02/05/1991USRE33532 Display control system which produces varying patterns to reduce flickering
02/05/1991US4991205 Personal identification system and method
02/05/1991US4991122 Weighted mapping of color value information onto a display screen
02/05/1991US4990905 Electro-optical
02/05/1991US4990904 Display mode switching system for flat panel display apparatus
02/05/1991US4990902 Display area control system for flat panel display device
02/05/1991CA1279918C2 Ferroelectric liquid crystal device
01/1991
01/31/1991DE4022866A1 Gradations of pixel brightness in liquid crystal matrix display - can be easily produced by dividing timing period into 3 unequal sub-periods and biassing pixel for combination
01/31/1991DE4005993A1 Dual-mode video controller for e.g. personal computer - generates serial video output signals according to selection made by jumper between 1-bit and 2-bit plane modes
01/30/1991EP0410695A2 Light-emitting device
01/23/1991EP0409030A1 Circuit for operating a liquid crystal display
01/22/1991US4987410 Multiple image forming apparatus
1 ... 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 ... 1215