Lg Electronics Inc.

Geun Soo Lim

Jeong Pil Choi

Hwan Yu Kim

Tae Hyung Kim

Byung Soo Song

Dai Hyun Kim

Chang Ho Hyeon

Seong Hak Moon

Yong Min Song

Yeun Ho Yoo

Deok Soo Kim

Tae Hwa Hwang

Dae Hyun Kim

Jong Woon Kwak

Jun Hee Kong

DaeJin Myoung

Hyoung Gun Moon

Jong Yoon Keum

Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.

Method of driving plasma display panel and apparatus thereof

Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel. 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.

An image display apparatus is provided. At least one heat radiating frame is stacked in a heat radiating frame coupled between a circuit board and a panel, a heat radiating frame to which the circuit board is fixed can secure a space by a height of a protruded part as the protruded part is formed by drawing the frame itself, and thus fastening means for fixing the circuit board without a PEM nut can be fastened, and as a sound absorbing material is filled within a protruded part formed in a heat radiating frame opposite to the panel, vibration noise generating when driving the panel can be reduced.

Image display apparatus

The present invention relates to a driving method and apparatus of a plasma display panel. The driving method including the steps of: checking whether or not a first input grayscale data can be expressed through a certain pixel on the panel; in case the first grayscale data cannot be expressed, outputting a second grayscale data adjacent to the first grayscale data; and respectively multiplying erroneous data corresponding to a difference between the first grayscale data and the second grayscale data with preset coefficient values to diffuse the multiplied result to a plurality of pixels adjacent to the pixel, wherein before the erroneous data are respectively multiplied with the preset coefficient values, a random value is multiplied to at least one coefficient value among the plurality of coefficient values.

Driving method and apparatus of plasma display panel

The present invention relates to a plasma display panel, and more particularly, to a method and apparatus for driving a plasma display panel. According to a first embodiment of the present invention, there is provided a method for driving a PDP including the steps of dividing two frame data items into three frame data items; and providing the divided frame data items to the PDP. According to a first embodiment of the present invention, there is provided a method for driving a PDP including the steps of dividing two frame data items into three frame data items; and providing the divided frame data items to the PDP. The method and apparatus for driving a PDP according to the present invention can reduce large area flicker and dynamic false contour noise in a high-resolution PDP.

Method and apparatus of driving a plasma display panel

The present invention relates to a plasma display panel, and more particularly, to an apparatus and a method of driving a plasma display panel. According to an embodiment of the present invention, an apparatus of driving an AC surface discharge type plasma display panel, which includes X-, Y-, and Z-electrodes for discharge initiation and discharge sustain, includes a central arithmetic logical unit, a reset drive unit, a data drive unit, a scan drive unit, and a sustain drive unit and wherein the sustain drive unit includes a unified sustain drive unit. Accordingly, an apparatus for driving a plasma display panel and method thereof according to the present invention includes the unified sustain drive unit, thereby enabling to raise the drive efficiency, to simplify the circuit configuration, and to reduce the circuit volume.

Apparatus and method of driving a plasma display panel

The present invention relates to the plasma display panel module that integrates a sustainer board and reduces electromagnetic interference. The plasma display panel module includes a plasma display panel that includes scan electrode lines, sustain electrode lines, and a data electrode lines, an integration driving board that drives scan electrode lines and sustain electrode lines, a first electric current path that is connected between the integration driving board and the scan electrode lines, a second electric current path that is connected between the integration driving board and the sustain electrode lines, and a metal plate to release heat by a plasma display panel, which a penetration hole that the second electric current path penetrates is formed.

Plasma display panel module

Device and method for driving a plasma display panel, wherein scanning pulses are progressively applied to the plurality of scanning/sustain electrode lines divided and driving in two or more than two blocks such that the scanning pulses are overlapped to each other, and first data pulses each with a first logic value and second data pulses each with a second logic value each having a data pulse width different from the first data pulse, are progressively applied to the plurality of address electrode lines, for causing address discharges at the plurality of discharge cells selectively, thereby permitting fast addressing, and minimizing power consumption.

Device and method for driving plasma display panel

A plasma display panel that minimizes the power consumption required for driving the PDP is disclosed. A reset pulse of a ramp-down waveform supplied in a reset period goes down to a voltage level higher than a negative scan reference voltage, and is kept for a specified period. Also, a sustain pulse voltage level of a selective erase type sub-field is provided with a voltage level relatively higher than the sustain pulse provided from the selective write type sub-field, or a reset pulse of a ramp-up waveform that goes from a maximum voltage level of the ramp-up waveform down to a ground voltage level or more is supplied to a scan electrode as well as a selective erase scan pulse descends from a predetermined selective erase scan voltage level to the ground level or more. Therefore, the data driving voltage is minimized, and the display state is stabilized.

Method for driving plasma display panel

A system and method for driving a plasma display panel generates an address discharge by applying voltage signals to scan and address electrodes during one or more periods of operation. In accordance with one embodiment, a lowest level of a voltage signal applied to the scan electrode during the address period is less than a lowest level of a voltage signal applied to the scan electrode during a sustain period, and a highest level of the voltage signal applied to the scan electrode during the address period is greater than the lowest level of the voltage signal applied to the scan electrode during the sustain period. Other embodiments vary these levels during one or more periods.

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Kyonggi-do, South Korea

Geun Soo Lim