摘要:
A method for forming an electronic device including at least one electrically conductive and one semiconductive material deposited from solution, the method comprising: forming on the substrate a confinement structure consisting of a least a first zone and a second zone, depositing the electrically conductive material on the substrate, wherein the electrically conductive material is absent from both the first and second zone, and subsequently depositing the electrically semiconductive material from solution, wherein the semiconductive material is absent from the first zone, but not from the second zone.
摘要:
The present invention relates integrated optoelectronic devices comprising light emitting field-effect transistors. We describe an optoelectronic device comprising a light-emitting field effect transistor (LFET) with an organic semiconductor active layer and a waveguide integrated within the channel of the light-emitting field effect transistor, wherein said waveguide comprises a material which has a higher refractive index than said organic semiconductor. We also describe a light-emitting organic field transistor integrated with a ridge or rib waveguide incorporated within the channel of the LFET; and a similar light-emitting organic field effect transistor in which the waveguide incorporates an optical feedback mechanism.
摘要:
An electronic device comprising an optically transparent substrate, a first electrode structure incorporating a channel, said channel being optically transparent and said electrode structure being optically opaque, at least one intermediate layer, and a photosensitive dielectric layer disposed above the at least one intermediate layer, the photosensitive dielectric layer incorporating a trench in a region essentially over said channel, the electronic device further comprising a further electrode, wherein the further electrode is located partially in the trench and partially beyond the trench such that portions of the further electrode that extend beyond the trench are separated from the at least one intermediate layer by the photosensitive dielectric layer.
摘要:
A method of producing a metal element of an electronic device on a substrate, including the steps of: forming a mixture of a material comprising metal atoms with a liquid, depositing the material from the liquid mixture onto a substrate, and then irradiating at least part of the deposited material with light to increase the electrical conductivity of the deposited material. A method of producing one or more elements of an electronic device, including the steps of: providing a substrate including one or more underlying elements of the electronic device and a thermally patternable layer overlying said one or more underlying elements; and using said one or more underlying elements to locally generate heat and thereby selectively induce a change in corresponding portions of said thermally patternable layer; and wherein either the change selectively induced in said corresponding portions directly results in the definition of one or more elements of the electronic device in a position determined by that of said one or more underlying elements, or alternatively including the additional step of using the change selectively induced in said one or more corresponding portions to facilitate the formation of one or more elements of the electronic device in a position determined by that of said one or more underlying elements. A method of producing an element of an electronic device, including the steps of: (a) providing a substrate; (b) depositing on said substrate a layer of a switchable material, which changes its physical or chemical properties upon irradiation with light or heating causing a change of its surface energy properties; (c) irradiatively inducing at selected regions of a layer of switchable material a change in physical or chemical properties that alters the surface energy of said selected regions and thereby forming a surface energy pattern on its surface; and (d) without removing said layer of switchable material in either irradiated selected regions or non-irradiated regions from the substrate depositing over the surface energy pattern produced in step (c) a material for forming an element of the electronic device such that the surface energy pattern controls the deposition of said material.
摘要:
An electronic device including at least first and second transistors integrated together on a substrate and each including an organic semiconductor region, wherein the first and second transistors are either both n-type or both p-type but wherein one of the first and second transistors is a normally-ON transistor and the other of the first and second transistors is a normally-OFF transistor.
摘要:
An electronic device comprising an optically transparent substrate, a first electrode structure incorporating a channel, said channel being optically transparent and said electrode structure being optically opaque, at least one intermediate layer, and a photosensitive dielectric layer disposed above the at least one intermediate layer, the photosensitive dielectric layer incorporating a trench in a region essentially over said channel, the electronic device further comprising a further electrode, wherein the further electrode is located partially in the trench and partially beyond the trench such that portions of the further electrode that extend beyond the trench are separated from the at least one intermediate layer by the photosensitive dielectric layer.
摘要:
A device architecture for an active matrix display pixel comprising source addressing lines and TFT drain electrode formed on a first metal level of the device, the pixel electrode formed on a second, separate metal level, and the TFT gate electrode and gate addressing lines on a third metal level separated from both the first level and the second level by at least one dielectric layer, wherein the pixel electrode on the second level is electrically connected to the drain electrode on the first level through a via-hole connection and a pixel capacitor is formed by overlap of part of the pixel electrode on the second level with a portion of the gate addressing line of a neighboring line of pixels on the third level. The device is formed preferably using print based methods.
摘要:
We describe an electronic document reader system for viewing electronic documents, in which the electronic documents are viewable on a removable electronic document reader display that is useable whilst removed from an electronic document reader display holder. The system comprises: a removable non-volatile display for viewing electronic documents thereon, the display having a display portion on which electronic documents are viewable; a display holder for receiving the removable display, the display holder comprising a back, and an open front shaped to receive the removable display, each of the display and the holder having an electrical interface, wherein, when the removable display is received in the open front, the removable display and holder form an electrically connected combined unit to enable the display to receive document data from the holder for display, and wherein the removable display is useable to read electronic documents when removed from the display holder.
摘要:
A method is provided for fabricating a multilayer electronic device on a flexible substrate including at least a first and a second patterned layer, wherein the first patterned layer is defined with a linewidth that is smaller than the linewidth of the second patterned layer, and the second patterned layer is defined by a patterning technique which is capable of correcting for local distortions of the pattern of said first layer on top of the flexible substrate and wherein the first patterned layer is laid-out in such a way that the geometric overlap between a portion of the second layer and a portion of the first layer is insensitive against small variations of the position of the second patterned layer.
摘要:
The present invention relates integrated optoelectronic devices comprising light emitting field-effect transistors. We describe an optoelectronic device comprising a light-emitting field effect transistor (LFET) with an organic semiconductor active layer and a waveguide integrated within the channel of the light-emitting field effect transistor, wherein said waveguide comprises a material which has a higher refractive index than said organic semiconductor. We also describe a light-emitting organic field transistor integrated with a ridge or rib waveguide incorporated within the channel of the LFET; and a similar light-emitting organic field effect transistor in which the waveguide incorporates an optical feedback mechanism.