Mitsubishi Denki Kabushiki Kaisha

Noritake Co., Ltd.

Kyushu Noritake Co., Ltd.

Shinichiro Nagano

Takayoshi Nagai

Takeo Saikatsu

Ko Sano

Toyohiro Uchiumi

Yoshiharu Ogawa

Yoshinobu Hirokado

Kanzou Yoshikawa

Hirotoshi Takechi

Masayuki Hiroshima

A discharge inert film () is made of an aggregate of fine particles not substantially containing any inorganic binder. Each of sustain discharge electrodes (XB, YB) includes a plurality of discharge gap adjoining portions (a), a bus portion (b) and a plurality of bridge-building portions (c). The bus portion (b) adjoins the electrode pair gap portion (NG), extending along a second direction (D). Each of bridge-building portions (c) extends towards a discharge gap portion (DG). The bridge-building portions (c) are connected to the discharge gap adjoining portions (a), respectively, and these adjoining portions (a) adjoin the discharge gap portion (DG) and are arranged therealong. The film () is so disposed as not to cover the discharge gap adjoining portions (a). When a surface discharge is generated between the sustain discharge electrodes (X, Y) during a reset period, the potential difference between the electrodes (X, Y) is gradually increased.

Plasma display panel and plasma display device

One end ( (X)) of a first sustain discharge electrode (X) is disposed in a display region ( ), and the other end is disposed in a second non-display region ( B). One end ( (Y)) of a second sustain discharge electrode (Y) paired with the first sustain discharge electrode (X) is disposed in the display region ( ), and the other end is disposed in a first non-display region ( A). Thereby, accidental sustain discharge in a non-display region of a surface discharge AC type PDP can be suppressed to improve quality of display.

Substrate for surface discharge AC type plasma display panel, surface discharge AC type plasma display panel and surface discharge AC type plasma device

Of three primary color phosphors ( ) formed in unit luminescent areas (EU) constituting a pixel (EG), the width of a blue phosphor ( B) is about twice the width of red and green phosphors ( R, G). This allows a white color temperature of 9300 K without causing deterioration of the phosphors ( ) and degrading red and green gradations.

Surface discharge type plasma display panel with blue luminescent area substantially wider than red and green luminescent areas

An AC-type PDP in which adjacent two scanning lines share one sustain discharge electrode and a discharge separator for separating surface discharges in the adjacent scanning lines is driven as follows. In a writing period (O ), the voltages at odd-numbered sustain discharge electrodes (J ) are set to the voltage (H) and the voltages at even-numbered sustain discharge electrodes (J ) are set to the voltage (M). At selection of odd-numbered scanning lines (S ) in descending order, when image data (W) according to the scanning line (S ) is applied to an address electrode ( ), the voltages at the sustain discharge electrodes (J and J ) are changed to the voltages (M and L), respectively. In a polarity reverse period (RV), after a voltage (Voff) is applied to all the address electrodes ( ) and the voltages at the sustain discharge electrodes (J and J ) are changed from the voltage (M) to the voltages (L and H), respectively, the voltages at the sustain discharge electrodes (J and J ) are returned to the voltage (M). In a writing period (E ), even-numbered scanning lines (S ) are selected in ascending order conversely to the order in the writing period (O ). With this operation, it is possible to enhance a display contrast, reduce a reactive power and stabilize a writing discharge.

Method of driving AC-type plasma display panel and plasma display device

An AC plane discharge type plasma display panel comprises the first substrate section comprising a glass substrate containing sodium oxide, an insulating film being a SiO film having about 100 nm in thickness and formed by dry film formation method on the surface of the glass substrate, plural pairs of discharge sustain electrodes each comprising a transparent electrode and a bus electrode and formed on the insulating film, a dielectric layer formed on the insulating film in such a manner as to cover the plural pairs of discharge electrodes, and a cathode film formed on the dielectric layer.

AC plane discharge type plasma display panel

When two facing electrodes forming a first set are spaced at a large interval, a first electrode in the first set is prone to erroneously discharge with a second electrode forming a second set separated from the first set. A plasma display panel comprises: a first glass substrate and a second glass substrate facing each other; a plurality of sets of discharge sustain electrodes, each set including one common electrode and two independent electrodes on both sides of the common electrode provided on a surface of the first glass substrate that faces the second glass substrate, the common electrode and the two independent electrodes extending in parallel with each other; a dielectric layer coating the plurality of sets of discharge sustain electrodes; a plurality of address electrodes provided in parallel in a direction perpendicular to the common electrodes on a surface of the second glass substrate that faces the first glass substrate with a space interposed between the dielectric layer and the address electrodes; partitions provided between adjacent ones of the address electrodes between the first and second glass substrates; a phosphor coating the partitions; and first insulating parts provided in positions facing the common electrodes with the dielectric layer interposed therebetween.

Plasma display panel

In an AC plasma display panel having a glaze layer covering address electrodes, a proper amount of conductive filler is introduced into the glaze layer, to lower the volume resistivity of the glaze layer. Thus, generation of spark discharge can be suppressed in driving the display panel.

AC plasma display panel provided with glaze layer having conductive

Although it is inevitable that the barrier rib fracture remains on the barrier rib from a pressure applied from opposing glass substrates surface, the present invention aims to assemble the panel display after removing the broken fragments of the barrier rib from the discharge chamber. According to the manufacturing method of the panel display for the present invention, the method includes the step of temporary aligning the two glass substrates face-to-face, the step of decompressing the barrier rib pattern area formed by the alignment of the two glass substrates by isolating the barrier rib pattern area from the normal atmospheric pressure, the step of cleaning at least one of the glass substrates on facing side by detaching one of the glass substrates after the pressure has been returned to the normal atmospheric pressure, and the step of forming the discharge chamber by pasting the two glass substrates together in the similar manner as the temporary alignment.

Manufacturing method of panel display and its apparatus

The invention provides a plasma display panel having an improved light emission contrast. The plasma display panel includes a plurality of discharge sustaining electrode pairs X.sub.n and Y.sub.n each comprising discharge sustaining electrodes x'.sub.n and x.sub.n, and y.sub.n and y'.sub.n, respectively, which are electrically isolated from each other and which extend in a direction along the scanning lines. The plasma display panel also includes discharging cells in which a discharge occurs within a region limited between the discharge sustaining electrodes x.sub.n and y.sub.n in the first and second priming periods, small-width erasing periods, and writing periods. The black-level intensity can be reduced without causing an increase in the power dissipation and a significant decrease in the normal light emission intensity. Thus, the light emission contrast is improved to a great extent without having to increase the maximum light emission intensity.

Growing community of inventors

Tokyo, Japan

Shinichiro Nagano