| Patent Number |
Title Of Patent |
Date Issued |
| RE38661 |
Method and apparatus for liquid crystal display with intermediate tone |
November 30, 2004 |
| A liquid crystal display is capable of displaying intermediate, partial or half tones of images, while at the same time preventing the occurrence of flicker and the decay of the liquid crystal panel. The display operation for data to be displayed in an intermediate tone has one or more l |
| 5646644 |
Liquid crystal display device |
July 8, 1997 |
| A liquid crystal display device providing a multi tone control function is disclosed, permitting a multi-colored display to be provided by using an analogue display data input, while regulating stepwise the brightness by varying the level of the applied voltage. The liquid crystal displa |
| 5552801 |
Liquid crystal display device |
September 3, 1996 |
| A liquid crystal display device providing a multi tone control function is disclosed, permitting a multi-colored display to be provided by using an analogue display data input, while regulating stepwise the brightness by varying the level of the applied voltage. The liquid crystal displa |
| 5309170 |
Half-tone representation system and controlling apparatus therefor |
May 3, 1994 |
| A half-tone color representation system suitable for use with a multi-color liquid crystal display panel, each display dot of which is constituted by three primary color pixels. More than eight different colors are represented with the three primary color pixels by providing a "half-tone |
| 5189407 |
Multi-color display system |
February 23, 1993 |
| An improved multi-color liquid crystal display system which is capable of making visual color representation of more than eight colors in a display panel, such as a liquid crystal display panel which is composed of liquid crystal cells having three primary color filters attached thereto. |
| 5119083 |
Matrix display apparatus and display data supply circuit for storing display data to be supplied |
June 2, 1992 |
| In accordance with a write address successively updated in synchronism with a dot clock, color display data is written into a memory. The memory includes three memory corresponding to three primary colors and having identical addresses thereto assigned. For the purpose of color display, |
| 4985698 |
Display panel driving apparatus |
January 15, 1991 |
| An apparatus for driving a color display panel operating at a high frame frequency. The color display panel driving apparatus includes a line memory for storing data of 1/2 of a line at its odd-numbered addresses and then storing data of the remaining 1/2 of the line at its even-numbered |
| 4808991 |
Method and apparatus for liquid crystal display with intermediate tone |
February 28, 1989 |
| A liquid crystal display is capable of displaying intermediate, partial or half tones of images, while at the same time preventing the occurrence of flicker and the decay of the liquid crystal panel. The display operation for data to be displayed in an intermediate tone has one or more l |