LIQUID CRYSTAL DISPLAY DEVICE AND POWER SUPPLY METHOD FOR THE SAME
A liquid crystal display(LCD) device and a method for supplying power to the same are provided to effectively supply electric power to the LCD device at low power consumption by changing the waveform of a power supply voltage and generating a driving voltage in response to the changed power supply v...
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| creator | PARK, DAE YANG |
| description | A liquid crystal display(LCD) device and a method for supplying power to the same are provided to effectively supply electric power to the LCD device at low power consumption by changing the waveform of a power supply voltage and generating a driving voltage in response to the changed power supply voltage. Plural gate lines are arranged on one of two transparent substrates. A gate driver(20), a source driver(30), and a timing controller(40) are arranged in a single chip. The timing controller generates image data, horizontal and vertical synchronous signals, and control signals for the gate and source drivers. An LCD device(100) receives a DC voltage. A DC/DC converter(70) generates inner driving voltages for respective functional blocks of the LCD device in response to a rectangular DC voltage, which is generated by a rectangular voltage generator(90). An inverter generates a high voltage for turning on a backlight. The rectangular voltage from the rectangular voltage generator is not a pure DC voltage, but an oscillating voltage, which oscillates in a predetermined voltage range. |
| format | Patent |
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Plural gate lines are arranged on one of two transparent substrates. A gate driver(20), a source driver(30), and a timing controller(40) are arranged in a single chip. The timing controller generates image data, horizontal and vertical synchronous signals, and control signals for the gate and source drivers. An LCD device(100) receives a DC voltage. A DC/DC converter(70) generates inner driving voltages for respective functional blocks of the LCD device in response to a rectangular DC voltage, which is generated by a rectangular voltage generator(90). An inverter generates a high voltage for turning on a backlight. The rectangular voltage from the rectangular voltage generator is not a pure DC voltage, but an oscillating voltage, which oscillates in a predetermined voltage range.</description><language>eng</language><subject>ADVERTISING ; APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; CRYPTOGRAPHY ; DISPLAY ; EDUCATION ; ELECTRICITY ; GENERATION ; PHYSICS ; SEALS</subject><creationdate>2006</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20061229&DB=EPODOC&CC=KR&NR=20060135345A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20061229&DB=EPODOC&CC=KR&NR=20060135345A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PARK, DAE YANG</creatorcontrib><title>LIQUID CRYSTAL DISPLAY DEVICE AND POWER SUPPLY METHOD FOR THE SAME</title><description>A liquid crystal display(LCD) device and a method for supplying power to the same are provided to effectively supply electric power to the LCD device at low power consumption by changing the waveform of a power supply voltage and generating a driving voltage in response to the changed power supply voltage. 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| language | eng |
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| subjects | ADVERTISING APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CRYPTOGRAPHY DISPLAY EDUCATION ELECTRICITY GENERATION PHYSICS SEALS |
| title | LIQUID CRYSTAL DISPLAY DEVICE AND POWER SUPPLY METHOD FOR THE SAME |
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