Abstract: A solution spray apparatus includes a nozzle which sprays a droplet of a solution such as EL solution, a heater is provided on the nozzle to heat the solution in the nozzle to a temperature lower than a boiling point of the solution in the nozzle, so that the droplet of the heated solution is ejected from the spray to an object.

Abstract: A solution spray apparatus includes a nozzle which sprays a droplet of a solution such as EL solution, a heater is provided on the nozzle to heat the solution in the nozzle to a temperature lower than a boiling point of the solution in the nozzle, so that the droplet of the heated solution is ejected from the spray to an object.

Abstract: A driver apparatus which drives each display pixel of a display panel having a plurality of display pixels equipped with current control type light emitting devices comprising a signal voltage generation circuit which generates a signal voltage having a voltage value corresponding to the display data and a voltage-current conversion circuit which supplies the display pixels by converting the signal voltage into a gradation current comprising a conversion circuit section which generates a signal current having a current value corresponding to the signal voltage. The conversion circuit section comprises a compensation circuit having a switching element constituted by a Field-Effect type Thin-Film Transistor which uses for example amorphous silicon and compensates component characteristic fluctuation in the switching element.

Abstract: A current generation supply circuit which supplies drive currents corresponding to digital signals for a plurality of loads comprising a current generation circuit which supplies output currents to the loads as the drive currents comprising a reference voltage generation circuit in which reference current having a constant current value is supplied and generates reference voltages based on the reference current; a drive current generation circuit which generates the output currents having current value ratios corresponding to the digital signals relative to the reference current based on the reference voltages; and a characteristic control circuit which sets the ratio of the output currents relative to the reference current.

Abstract: A display apparatus includes a substrate, a plurality of pixel electrodes which are arrayed on a side of one surface of the substrate, EL layers each of which is formed on a corresponding one of the pixel electrodes, and an counter electrode which is formed on the EL layers. An auxiliary electrode is electrically connected to the counter electrode and overlaps portions between the pixel electrodes.

Abstract: A display apparatus includes a driving circuit mounted on a board, and a coating film which coats the driving circuit. A display unit having a plurality of optical elements are arrayed on the coating film as pixels and being driven by the driving circuit. Each of the optical elements has a pair of electrodes and exhibits an optical operation corresponding to a current that flows between the pair of electrodes.

Abstract: A display device includes a plurality of scanning lines (X1-Xm), a plurality of signal lines (Y1-Yn), a scanning driver (5) which sequentially supplies to the scanning lines selection signals that select the scanning lines, a data driver (3) which supplies a designation current to the plurality of signal lines within a selection period when the scanning lines are being selected, a plurality of pixel circuits which supplies a driving current corresponding to a current value of the designation current that flows to the signal lines, a plurality of optical elements (E1,1-Em,n) which emit light in accordance with the driving current supplied by the plurality of pixel is circuits and a power supply (6) which outputs to the plurality of pixel circuits a driving current reference voltage to supply the driving current.

Abstract: A display device for displaying images corresponding to digital signals information comprising a display panel with a plurality of display pixels arranged in matrix form near the intersecting points of a plurality of scanning lines and a plurality of signal lines which intersect perpendicularly with each other; a scanning driver circuit for sequentially applying scanning signals; a signal driver circuit comprising a plurality of gradation current generation supply circuit sections comprising a module current generation circuit which generates a plurality of module currents corresponding to each digital signal bit based on reference voltage; a gradation current generation circuit which integrates selectively each of the module currents, generates gradation currents and supplies each of a plurality of the signal lines; a reference voltage generation circuit which applies in common the reference voltage to a plurality of the gradation current generation circuits sections.

Abstract: A luminescent panel includes a transparent substrate, a first transparent electrode provided on the transparent substrate, a luminescent layer provided on the first transparent electrode, and a second transparent electrode provided on the luminescent layer. A reflecting film provided on the second electrode, reflects light emitted from the luminescent layer through the second transparent electrode and causes the reflected light to outwardly emit from the transparent substrate.

Abstract: A driver circuit for driving optical elements which is applied to a pixel driver circuit of the display device in this invention comprises a first current path with one end connected to the optical elements and the other end connected to a drive power supply; a second current path electrically connected to the first current path; a write-in control circuit which flows the write-in current having a predetermined current value in the direction of the other end side from the one end side of the first current path via the second current path; a charge storage circuit which stores the electric charge accompanying the write-in current flowing in the first current path; a drive control circuit which supplies the drive current to the optical elements via the first current path has a current value corresponding to the current value of the write-in current and drives these optical elements based on the electric charge stored in the charge storage circuit; and has a first timing operation in which the electric charge of

Abstract: A display apparatus includes light-emitting elements each of which is arranged for a pixel circuit and emits light at a luminance corresponding to a driving current. To a signal line through the pixel circuit, is supplied a gray level designation current having a current value larger than that of the driving current during a selection period to store a luminance gray level in the pixel circuit. A first voltage is outputted to the pixel circuit so that the gray level designation current is supplied to the signal line through the pixel circuit during the selection period, and a second voltage is outputted to the pixel circuit during a nonselection period, thereby modulating a current output from the pixel circuit on the basis of the luminance gray level stored in the pixel circuit to supply the driving current to the pixel circuit.

Abstract: A solution spray apparatus includes a nozzle which sprays a droplet of a solution such as EL solution, a heater is provided on the nozzle to heat the solution in the nozzle to a temperature lower than a boiling point of the solution in the nozzle, so that the droplet of the heated solution is ejected from the spray to an object.

Abstract: A display panel includes an optical element which has a pair of electrodes and exhibits an optical operation corresponding to an electric current flowing between the electrodes, and a switch circuit which supplies a memory current having a predetermined current value to a current line during a selection period, and stops the supply of the memory current to the current line during a non-selection period. A current memory circuit stores current data corresponding to the current value of the memory current flowing through the current line during the selection period and, in accordance with the current data stored during the selection period, supplies a display current having a current value substantially equal to the memory current to the optical element during the non-selection period.

Abstract: A method of manufacturing a display apparatus including an optical element having an optical material layer between a first electrode and a second electrode which are formed on a substrate, includes an aligning step of making the substrate oppose a plate which has a wettability changeable layer and to which a droplet of an optical material containing liquid sticks in accordance with a pattern based on a difference in wettability. The substrate and the plate are aligned with each other, and the droplet is bring into contact with the substrate to transfer the droplet to the substrate side, thereby forming the optical material layer.

Abstract: An optical address section, a display section and light waveguides are provided on a substrate. The light waveguides are located between the optical address section and the display section. The optical address section includes first light emission elements, while the display section includes data electrodes, phototransistors and second light emission elements. The light emitted from the first light emission elements enters the phototransistors of the display section through the light waveguides and drives the phototransistors. In accordance with the phototransistors selected, the second light emission elements emit light upon application of a voltage of the data electrodes.

Abstract: A display device includes an EL element for signal light which is based on the segment matrix drive scheme and causes a plurality of areas to emit signal light containing light in a wavelength range other than the visible range, a photoconductive layer which generates carriers upon incidence of signal light, and an EL element for display light which is adjacent to the photoconductive layer. Signal light is irradiated onto desired areas of the photoconductive layer. Carriers are injected from the irradiated areas into the EL layer to emit display light containing visible light.

Abstract: Selection transistors and drive transistors are formed in individual pixel areas on a substrate. Cathode electrodes which reflect visible light are formed above the selection transistors and the drive transistors so as to cover the pixel areas, with flat insulation films between the cathode electrodes and the selection and drive transistors. An organic EL layer and an anode electrode are sequentially formed on the cathode electrodes.

Abstract: In the present invention, a partition wall having a matrix shape is formed on anode electrodes so as to divide them further into dots of a small region, which are surrounded by the partition wall. With this structure, if a dark spot which is a non-light emitting region, is created in one dot, the growth of the spot can be stopped by the partition wall. Therefore, good display property can be maintained for a long time.

Abstract: An organic electroluminescence device is placed as a back light of a liquid crystal display panel. The organic electroluminescence device is constituted by a front electrode (#112) having transparency to visible light, a rear electrode (#113) having reflection to visible light and an organic electroluminescence layer (#114) for emitting light as a predetermined voltage is applied between the front and rear electrodes. A scatter control member (#120), located between the liquid crystal panel and the organic electroluminescence panel, passes incident light within a predetermined range without scattering and passes light outside the predetermined range with scattering. Preferably, the scatter control member is constituted by a plurality of lightguiding portions (#121) having transparency to visible light and a plurality of reflection films (#122) having a reflection property to visible light.

Abstract: A process for manufacturing an organic electroluminescent device, including the steps of sequentially forming a hole transport layer, a bipolar transport layer at need, and an electron transport layer on a transparent electrode side of a transparent substrate having a transparent electrode. After a recombination region layer for electrons and holes of the transport layers is formed, three kinds of fluorescent pigment R, G and B are applied to an upper surface of the recombination region layer. Subsequently, the kinds of fluorescent pigment are heated to be diffused in the recombination layer so that the kinds of fluorescent pigment and the recombination layer constitute a luminescent layer. An organic electroluminescent device produced by this process is disclosed.