Abstract: An organic EL display panel includes a wiring layer, a planarizing film above the wiring layer, and a plurality of light-emitting cells in a row. A pair of first banks are above the planarizing film to delimit lateral surfaces of the light-emitting cells. The planarizing film includes a plurality of recesses that are each formed between adjacent ones of the light-emitting cells and extend between the first banks. A plurality of organic light-emitting layers are each in one of the light-emitting cells between the pair of first banks. A plurality of second banks are connected to the first banks, and each comprise a same material as the first banks. Each of the second banks is above one of the recesses and has a shape that conforms to a profile of the one of the recesses so that the second banks are lower in height than the first banks.

Abstract: The organic electroluminescence element includes an anode metal layer above a substrate. The anode metal layer comprises an inner region and an outer region. The inner region is adjacent to and different than the outer region. An upper surface of the inner region is lower than an upper surface of the outer region. A metal oxide layer is on the inner region of the metal anode layer. A hole transport layer is above the metal oxide layer and the inner region. The hole transport layer comprises a hole-transporting organic material. An organic luminescent layer is above the hole transport layer and the inner region. A cathode layer is above the organic luminescent layer and the inner region. The cathode layer injects electrons into the organic luminescent layer. An insulating layer is above the outer region of the anode metal layer.

Abstract: An organic EL element is provided with a substrate; an electrode set on the substrate; an organic EL layer set on the electrode; and a bank which define the organic EL layer. A lyophilicity at a top of the bank is higher than a lyophilicity at a bottom surface of the bank, and a lyophilicity of the bank gradually changes from the bottom surface of the bank to the top of the bank.

Abstract: The organic electroluminescence element includes a substrate and an anode metal layer above the substrate. The anode metal layer includes an inner region between a pair of outer regions. A metal oxide layer is above the inner region and the outer regions of the anode metal layer. An insulating layer is above the metal oxide layer and the outer regions of the anode metal layer. A hole transport layer is above the metal oxide layer and the inner region of the anode metal layer. An organic luminescent layer is above the hole transport layer. A cathode layer is above the organic luminescent layer for injecting electrons into the organic luminescent layer. A thickness of the metal oxide layer on the inner region of the anode metal layer is greater than a thickness of the metal oxide layer on the outer regions of the anode metal layer.

Abstract: Disclosed is a method for manufacturing an organic EL device which comprises a hole injection layer having a flat surface that is not contaminated. Specifically disclosed method for manufacturing an organic EL device, which comprises a step of forming an anode on a substrate; a step of forming a hole injection layer on the anode; a step of forming an inorganic film on the substrate and the hole injection layer; a step of forming a bank on the inorganic film in such a manner that at least a part of the inorganic film formed on the hole injection layer is exposed; a step of etching the exposed inorganic film by using the bank as a mask so that the hole injection layer is exposed therefrom; and a step of forming an organic light-emitting layer by applying an organic light-emitting material onto the exposed hole injection layer. The hole injection layer contains tungsten oxide or molybdenum oxide.

Abstract: Disclosed is an organic EL display panel which includes: a substrate; a plurality of linear luminescent regions formed on the substrate, the luminescent regions running in parallel to one another; and two or more sub-pixels arranged in a row in each of the luminescent regions; wherein the luminescent regions include a luminescent region having the sub-pixels emitting red light, a luminescent region having the sub-pixels emitting green light, and a luminescent region having the sub-pixels emitting blue light, each of the sub-pixels includes a pixel electrode disposed on the substrate, an organic functional layer disposed on the pixel electrode by coating, a counter electrode disposed on the organic functional layer, and a forward tapered bank which constitutes wall surfaces of a region in which the organic functional layer is formed, and when an inclination angle of the wall surface of the region on the substrate edge side is defined as inclination angle ?, and an inclination angle of the wall surface of the r

Abstract: An ink-jet head includes an ink chamber; an ink supply channel through which ink to be supplied to the ink chamber flows; an ink discharge channel through which the ink discharged from the ink chamber flows; a partition wall constituting a side surface of the ink chamber; an ink inlet opening formed in the partition wall, the ink inlet opening communicating with the ink supply channel; an ink outlet opening formed in the partition wall, the ink outlet opening communicating with the ink discharge channel; a piezo-mounting plate constituting a top surface of the ink chamber; an expandable multilayer piezoelectric element placed inside the ink chamber, the multilayer piezoelectric element having a fixed end secured to the piezo-mounting plate and a movable end directing to the expanding direction of the multilayer piezoelectric element; a nozzle plate constituting a bottom surface of the ink chamber; and a nozzle formed in the nozzle plate, the nozzle communicating with the ink chamber, wherein the multilayer pi

Abstract: Provided is an ink-jet apparatus that: has a wide control range of the direction for ink ejection; can correct a variation in the direction for ink ejection; and can improve the yield of a product when used for manufacture of electronic devices. The ink-jet apparatus includes: pressure chamber 110 configured with a pair of partition walls 111; nozzle plate 101 having nozzle 100; diaphragm 112 supported by partition walls 111; piezoelectric elements 131 and 132 that are in contact with diaphragm 112 for pressurizing pressure chamber 110; and piezoelectric elements 141, 142 and 143 supporting partition walls 111. A voltage can be applied individually to piezoelectric elements 131, 132, and 141 to 143. The widths of part A and part B of diaphragm 112, part A being in contact with a piezoelectric element, and part B being in contact with partition wall 111 satisfy a particular relationship.

Abstract: An organic EL display panel is provided which includes: a substrate which includes a plurality of luminescent regions which are arranged side by side in a specific direction and run in parallel to one another; a bank formed over the substrate, the bank defining a plurality of coating regions in each of the luminescent regions, the coating regions being aligned in a row along the long axis of the luminescent region; and a pixel electrode provided in each of the coating regions, the pixel electrode having a long axis which is in parallel with the long axis of the luminescent region, wherein, in each of the luminescent regions, the coating region positioned at a lengthwise end of the luminescent region is larger in size than the coating region positioned at a lengthwise center of the luminescent region.

Abstract: Disclosed is an ink-jet head that can suppress occurrence of the crosstalk and facilitate a smooth ink circulation in pressure chambers. The ink jet head includes two or more pressure chambers 110 configured to be supplied with ink and each having a nozzle; ink supply channel 101 communicating with each of pressure chambers 110 and configured to allow the ink to flow to each of pressure chambers 110; ink discharge channel 102 communicating with each of pressure chambers 110 and configured to allow the ink discharged from each of pressure chambers 110 to flow; ink inlet channel 107 connecting each of pressure chambers 110 to ink supply channel 102; ink outlet channel 108 connecting each of pressure chambers 110 to ink discharge channel 102. An inner surface of ink outlet channel 108 includes unevenness 109.

Abstract: An organic EL element having a functional layer with a uniform film thickness is provided. The organic EL element of the present invention contains a substrate; an anode electrode set on the substrate; an organic EL layer set on the anode electrode; a cathode electrode set on the organic EL layer; and a bank having a forward tapered shape, which define the organic EL layer. The bank contains a fluorine resin, the fluorine concentration at a top of the bank is higher than the fluorine concentration at a bottom surface of the bank, and a height of the top of the bank from the substrate is 0.8 to 1.2 ?m.

Abstract: An organic EL display panel comprising a substrate and an organic light-emitting element R emitting red light, an organic light-emitting element G emitting green light and an organic light-emitting element B emitting blue light which are arranged on the substrate, wherein each of the organic light-emitting element has a concavely curved pixel electrode which is a reflective electrode, a functional layer formed with coating over the pixel electrode, an organic light emitting layer arranged on the functional layer, a counter electrode which is a transparent electrode arranged over the organic light emitting layer and a bank defining the functional layer formed with coating, the element R, the element G and the element B have different amount of the functional layer and the element R, the element G and the element B have different curvature radius of the concavely curved pixel electrode.

Abstract: Disclosed is an organic EL display panel provided with a substrate and a plurality of sub-pixels that are disposed in a matrix upon the substrate, wherein: the sub-pixels comprise sub-pixels that emit red light, sub-pixels that emit green light, and sub-pixels that emit blue light; the sub-pixels are each provided with a pixel electrode that is disposed upon the substrate, an organic functional layer that is formed by coating upon the pixel electrode, a counter electrode that is disposed upon the organic functional layer, and a bank that defines the space in which the organic functional layer is formed; the sub-pixels include sub-pixels (X) that are disposed on at least one section of the edge of the substrate, and sub-pixels (Y) that are disposed in the center of the substrate and that emit light with the same color as the sub-pixels (X); the volume of the organic functional layer provided in the sub-pixels (X) is larger than the volume of the organic functional layer provided in the sub-pixels (Y); and the

Abstract: An organic EL element is provided with a substrate; an electrode set on the substrate; an organic EL layer set on the electrode; and a bank which define the organic EL layer. A lyophilicity at a top of the bank is higher than a lyophilicity at a bottom surface of the bank, and a lyophilicity of the bank gradually changes from the bottom surface of the bank to the top of the bank.

Abstract: Disclosed is a coated type organic EL display wherein the light extraction efficiencies of all organic light-emitting elements are improved even when the organic light-emitting elements have different organic light-emitting layers for respective emission colors. Specifically disclosed is an organic EL display which comprises a substrate, a red organic light-emitting element (R), a green organic light-emitting element (G), and a blue organic light-emitting element (B), said organic light-emitting elements being arranged on the substrate. Each of the organic light-emitting elements has a pixel electrode that is a reflective electrode, a functional layer that is formed on the pixel electrode by coating, an organic light-emitting layer that is arranged on the functional layer, a counter electrode that is a transparent electrode arranged on the organic light-emitting layer, and a tapered bank that defines the functional layer formed by coating.

Abstract: An organic EL display panel includes a wiring layer, a planarizing film above the wiring layer, and a plurality of light-emitting cells in a row. A pair of first banks are above the planarizing film to delimit lateral surfaces of the light-emitting cells. The planarizing film includes a plurality of recesses that are each formed between adjacent ones of the light-emitting cells and extend between the first banks. A plurality of organic light-emitting layers are each in one of the light-emitting cells between the pair of first banks. A plurality of second banks are connected to the first banks, and each comprise a same material as the first banks. Each of the second banks is above one of the recesses and has a shape that conforms to a profile of the one of the recesses so that the second banks are lower in height than the first banks.

Abstract: Provided is a top emission type organic EL display, more specifically, an organic EL display having a specific sealing film and improved light extracting efficiency. The organic EL display provided with a top emission type organic EL element having the sealing film including a transparent inorganic material is characterized in that the density of a transparent inorganic material for an inner layer of the sealing film is lower than the density of a transparent inorganic material for an outer layer of the sealing film. The transparent inorganic material is silicon oxide, silicon nitride, silicon oxynitride, aluminum nitride or the like. Thus, the low power consumption organic EL display is provided.

Abstract: The present invention provides an ink-jet head which comprises an ink supply channel configured to allow ink to flow, two or more ink chambers each having a bottom surface with a nozzle and an upper surface constituting of a vibrating plate, the two or more ink chambers being arranged in a row along a direction in which the ink flows in the ink supply channel, a partition wall partitioning the ink chambers. and a piezo-mounting plate having two or more multilayer piezoelectric elements and two or more columns fixed thereto. The two or more multilayer piezoelectric elements are arranged in a row, and the two or more columns are arranged between the multilayer piezoelectric elements. And also, the piezo-mounting plate is arranged on the upper surface of the ink chambers. In the ink-jet head, the vibrating plate constituting the upper surface of the ink chamber is held between the partition wall and the column.

Abstract: An ink-jet head comprising: a supply channel configured to allow ink to flow; ink chamber groups, each having two or more ink chambers that are alternately provided on either side of the supply channel, along a direction of the ink, the ink chambers each having nozzles for discharging ink; wherein: each of the ink chamber groups has two or more ink chamber sequences in parallel with the direction, and two or more nozzle sequences in parallel with the direction, in each of the ink chamber groups, when the ink chamber sequence closest to the supply channel is a first ink chamber sequence, and the ink chamber sequence furthest away from the supply channel is an n-th ink chamber sequence, the number of the ink chambers in the first ink chamber sequence is greater than the number of the ink chambers in the n-th ink chamber sequence.

Abstract: An organic EL light emitting device is provided with: a substrate having a coloring region where two or more pixel regions are arranged in a line; line-shaped main banks which define the coloring region and face each other; pixel separation regions arranged among the pixel regions in the coloring region; a pixel electrode arranged for each of the pixel regions; and organic function layers arranged on the pixel electrodes.