Plasma display apparatus and method of driving thereof
A display device, plasma technology, applied in the direction of identification device, static indicator, standard rack/cabinet modification, etc., can solve the problems of electromagnetic interference, data loss, longer transmission distance of control unit and data drive unit, etc. Achieve the effect of reducing unit cost, suppressing data loss and noise
Inactive Publication Date: 2005-10-19
LG ELECTRONICS INC
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Problems solved by technology
Here, the condition of the withstand voltage of the switches Q1 and Q2 should be higher than the voltage Va, so the data drive unit uses expensive switches resulting in high manufacturing cost
[0018] In addition, as the size of plasma display devices increases today, the transmission distance of the control unit and the data driving unit becomes longer, resulting in data loss and delay difference of the clock signal and data according to the transmission distance, and causing a problem of adjusting the delay difference
[0019] In addition, since data and clock signals are transmitted at a high rate of 5V (TTL level), the device has a problem of electromagnetic interference
Method used
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[0040] Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.
[0041] A plasma display device according to a technical solution of the present invention includes: a control unit for converting an image signal from the outside into data for display, and generating a clock signal for synchronizing the data; a data drive unit for using The data and clock signals generate address pulses; and a transmission unit floats the data and clock signals controlled by the control unit and transmits the data and clock signals to the data driving unit.
[0042] The transmission unit uses one of an optical fiber and a photo coupler.
[0043] The transmission unit transmits data and clock signals in a differential signaling method.
[0044] The transmission unit assigns a plurality of data driving lines to one transmission line of the control unit to transmit data and clock signals.
[0045] The device also includes ...
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A plasma display apparatus of the present invention comprises a controlling unit for converting image signals into data to be displayed and generating clock signals for synchronizing the data; a data driving unit for generating an address pulse by using the data and the clock signals; and a transmision unit for floating the data and the clock signals from the controlling unit to transmit the data and the signals to the data driving unit.
Description
[0001] This application claims priority from Korean Application No. 10-2004-0024846 filed April 12, 2004, the entire contents of which are hereby incorporated by reference. technical field [0002] The present application relates to a plasma display device, and in particular, to a plasma display device with improved driving efficiency and a driving method thereof. Background technique [0003] Generally, in a plasma display device, a partition between a front substrate and a rear substrate forms a unit cell, and a main discharge gas such as Ne, He or a mixed gas of Ne and He and a gas including a small amount of xenon (Xeon) inert gas inside. In the case of a discharge caused by a high-frequency voltage, the inert gas generates vacuum ultraviolet rays and causes the fluorescent substances between the partitions to emit light. Such a plasma display panel is popular as a next-generation display device due to its thin and light structure. [0004] figure 1 is a schematic dia...
Claims
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IPC IPC(8): G09G3/20G09F9/313G09G3/28G09G3/288G09G3/291G09G3/292G09G3/293G09G3/294G09G3/296H01J17/49
CPCG09G2310/0275G09G3/2092G09G2360/18G09G3/296G09G3/293H05K7/206
Inventor 崔正泌
Owner LG ELECTRONICS INC