LIQUID CRYSTAL DRIVING DEVICE
PURPOSE: To reduce memory capacity of a line memory for RGB signals used for a non-interlace conversion circuit used in a conventional liquid crystal driving device. CONSTITUTION: A band limit filter circuit 108 and a thinning processing circuit 110 are provided in the pre-stage of the line memories...
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| creator | MORIMITSU KAZUYA |
| description | PURPOSE: To reduce memory capacity of a line memory for RGB signals used for a non-interlace conversion circuit used in a conventional liquid crystal driving device. CONSTITUTION: A band limit filter circuit 108 and a thinning processing circuit 110 are provided in the pre-stage of the line memories 104-106 in addition to conventional constitution, and a rate of a signal inputted to the line memories 104-106 is made 1/2 or below, and the memory capacity is reduced. Read-out from the line memories 104-106 is performed at the double rate of memory write. After outputting from the memory, the data are interpolated by an interpolation processing circuit 111, and the signal rate is made the same as the state of before thinning processing, and the RGB data are sent to a liquid crystal display panel 112 to be displayed. |
| format | Patent |
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CONSTITUTION: A band limit filter circuit 108 and a thinning processing circuit 110 are provided in the pre-stage of the line memories 104-106 in addition to conventional constitution, and a rate of a signal inputted to the line memories 104-106 is made 1/2 or below, and the memory capacity is reduced. Read-out from the line memories 104-106 is performed at the double rate of memory write. 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CONSTITUTION: A band limit filter circuit 108 and a thinning processing circuit 110 are provided in the pre-stage of the line memories 104-106 in addition to conventional constitution, and a rate of a signal inputted to the line memories 104-106 is made 1/2 or below, and the memory capacity is reduced. Read-out from the line memories 104-106 is performed at the double rate of memory write. After outputting from the memory, the data are interpolated by an interpolation processing circuit 111, and the signal rate is made the same as the state of before thinning processing, and the RGB data are sent to a liquid crystal display panel 112 to be displayed.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | LIQUID CRYSTAL DRIVING DEVICE |
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