Sharp Kabushiki Kaisha Corporation

Other

Kiyoshi Okano

Masatake Hayashi

Takahiro Togawa

Satoshi Yamaue

Hirohito Komatsu

Yoshihiro Kanno

Yoichi Morita

Masahiro Adachi

Atsushi Seki

Kojiro Tsubota

Takao Nomura

Masahito Gotou

An organic electroluminescent display device is capable of flowing a constant electric current into each pixel and improving image qualities even if the device displays an image on a large screen. The organic electroluminescent display device including a lower electrode, an organic electroluminescent film, and an upper electrode on a substrate arranged in this order, wherein the upper electrode is divided in units of a pixel or dot by a partition having an insulating property.

Organic electroluminescent display device and production method thereof

The present invention provides an organic electroluminescent panel, a production method thereof, and an organic electroluminescent display device, in which color mixing between adjacent pixels, caused by overflow or pull-in of a liquid material is suppressed and discontinuity (physical and electrical separation by the step) of an upper electrode is reduced when an organic film such as a luminescent layer is formed by an application method such as an ink jet printing method. The organic electroluminescent panel of the present invention is an organic electroluminescent panel comprising a lower electrode, a bank, an organic film, and an upper electrode on a substrate, wherein the organic electroluminescent panel has: two or more bank regions having different film thicknesses; and an organic film region surrounded by the two or more bank regions, the organic film region having a planar shape of a quadrangle or a substantial quadrangle with a rounded vertex or side.

Organic electroluminescent panel and production method thereof, and color filter substrate and production method thereof

An organic electroluminescent display element includes a substrate, a plurality of first electrodes, an auxiliary electrode, an insulating layer, an organic layer, a second electrode, and a conductive material. The auxiliary electrode is provided between the plurality of first electrodes on the substrate and separated from the plurality of first electrodes. The insulating layer covers the auxiliary electrode, separates and isolates the plurality of first electrodes from each other, and has through holes extending to the auxiliary electrode. The organic layer is provided on each of the plurality of first electrodes. The second electrode covers a whole surface of the insulating layer and the organic layers and allowing light emitted in the organic layers to transmit therethrough. The conductive material is provided in the through holes, for electrically connecting the auxiliary electrode to the second electrode.

Organic electroluminescent display element, display device having the same, and manufacturing method of the same

A method for manufacturing a patterned substrate includes the steps of: ejecting ink to a plurality of ink ejection portions arranged in a row by using a head having a plurality of ink ejecting means corresponding to the plurality of ink ejection portions; and drying the ejected ink. In the ink ejection step, ink is ejected so that a solid content weight of the ink in each ink ejection portion is different between an inner part and an end part of the plurality of ink ejection portions arranged in a row.

Patterned substrate, and method and apparatus for manufacturing the same

A liquid crystal cell substrate a plasma cell substrate a dielectric layer provided between the liquid crystal cell substrate and the plasma cell substrate a liquid crystal layer provided between the liquid crystal cell substrate and the dielectric layer and a plurality of plasma channels provided between the dielectric layer and the plasma cell substrate are provided. Each of the plurality of plasma channels includes a discharge gas, an anode and a cathode and the cathode includes a cathode layer made of a mixture of a conductive material and an insulative material including a glass having a lead weight percentage of 30% or less.

Gas discharge display device, plasma addressed liquid crystal display device, and method for producing the same

A plasma addressing display device comprising a flat panel including a display cell having columns of signal electrodes and also including a plasma cell having rows of discharge channels, with pixels formed at intersections of the signal electrodes and the discharge channels; a scanning circuit for sequentially discharging the columns of the signal electrodes at a pre-set period to select pixels from row to row; and a signal circuit for supplying picture signals to the column of the signal electrodes to write the picture signals in the pixels of the selected row, the scanning circuit discharging each discharge channel with time shift as the discharging period allocated to the discharge channel of a previous row is partially overlapped at least with the discharging period allocated to the discharge channel of the next row to allocate a discharging period longer than the pre-set period to each discharge channel.

Plasma addressing display device

A two-terminal non-linear resistive device including a first electrode, a second electrode, and a zinc sulfide layer interposed therebetween. The zinc sulfide layer contains at least one transition metal element as an impurity. The zinc sulfide layer is formed by sputtering using a sintered ZnS target including the transition metal element or a sintered ZnS target including the transition metal sulfide.

Two-terminal non-linear resistive device and a method for producing the

The display apparatus of this invention performs a display by modulating the optical characteristics of a display medium. The display apparatus includes: a first substrate; a second substrate facing the first substrate; a display medium interposed between the first and the second substrates; a plurality of bus lines disposed on the first substrate, the bus lines being arranged substantially in parallel to each other in a first direction; a plurality of counter electrodes disposed on the second substrate, the counter electrodes being arranged substantially in parallel to each other in a second direction which is perpendicular to the first direction; arrays of reflection electrodes disposed on the first substrate to substantially completely cover a respective one of the bus lines; and a nonlinear resistive layer mainly made of zinc sulfide and an insulating layer having a through hole which are disposed between each of the bus lines and a reflection electrode in a corresponding one of the reflection electrode arrays, wherein the nonlinear resistive layer is electrically connected to the bus line and the reflection electrode through the through hole, and the nonlinear resistive layer is in a non-conductive state when a voltage of a value smaller than a predetermined value is applied, and is in a conductive state when a voltage of a value equal to or larger than the predetermined value is applied.

Liquid crystal display apparatus having a non-linear resistor connected

The display apparatus of this invention includes: a display medium having an electro-optic characteristic; a pair of substrates arranged to face each other sandwiching the display medium; a pair of electrodes disposed in inner surfaces of the pair of substrates for applying a voltage to the display medium; and at least one nonlinear element including a nonlinear resistance layer composed of a sulfide film obtained by immersing a conductive or semiconductive film in a solution containing sulfur ions or ions having sulfur atoms and applying a voltage between the conductive or semiconductive film as an anode and a cathode, the nonlinear element being disposed on the inner surface of one of the pair of substrates and electrically connected to one of the pair of electrodes.

Active matrix display having at least one nonlinear element composed of

A liquid crystal display apparatus which performs a display by modulating an optical characteristic of a display medium, includes: a plurality of pixel electrodes for allowing the display medium to perform a display in accordance with a display signal; switching elements, respectively provided for the corresponding pixel electrodes, for applying the display signal to the respective pixel electrodes in nonlinearly response to a received driving signal; and a bus line for applying the driving signal to the switching elements. Each of the switching elements includes a first active device and a second active device. The first active device includes a lower electrode connected to the corresponding one of the pixel electrodes, an upper electrode connected to the bus line, and a nonlinear resistive layer interposed between the lower electrode and the upper electrode. The second active device includes a lower electrode connected to the bus line, an upper electrode connected to the corresponding pixel electrode, and a nonlinear resistive layer interposed between the lower electrode and the upper electrode. Each of the nonlinear resistive layers of the first and the second active elements contains zinc sulfide as its main component.

Liquid crystal display having zinc sulfide switching elements and method

An object of the invention is to economically and easily manufacture a thin film diode of back-to-back connection type having a symmetric voltage-ampere characteristic. First conducting layers of a metallic circuit board to become a wiring and an island conductor, respectively, are electrically connected with each other via a second conducting layer. The first conducting layers are electrically isolated from each other by anodizing the second conducting layer. An anodized insulating layer is formed by oxidized parts of the first conducting layers and the oxidized second conducting layer. The not-anodized part of one of the first conducting layers becomes a wiring and the not-anodized part of the other of the first conducting layers becomes an island conductor. The island conductor is considered as a first conductor and second and third conductors are formed on the anodized insulating layer on the first conductor. Thereby, a two-terminal element of a back-to-back type is completed.

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Nara, Japan

Kiyoshi Okano