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Class 257/E51.014 - Comprising bulk heterojunction (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E51.012. This subclass
No. of patents: 18
Last issue date: 09/02/2008


NumberTitleIssue Date
7419846Method of fabricating an optoelectronic device having a bulk heterojunction
A method of fabricating an organic optoelectronic device having a bulk heterojunction comprises the steps of: depositing a first layer over a first electrode by organic vapor phase deposition, wherein the first layer comprises a first organic small molecule material...
09/02/2008
7375386Heterobipolar transistor
The invention relates to a heterobipolar transistor, comprising an emitter which includes a first semiconductor layer (8) made of a first semiconductor material and a second semiconductor layer (9) made of a second semiconductor material, a band gap va...
05/20/2008
7326653Method of preparation of organic optoelectronic and electronic devices and devices thereby obtained
A method for preparing an organic electronic or optoelectronic device is described. The method comprises depositing a layer of fluorinated polymer on a substrate, patterning the layer of fluorinated polymer to form a relief pattern and depositing from solution a lay...
02/05/2008
6559375Organic solar cell or light-emitting diode
A component with a first layer which mainly includes a first material, a second layer which mainly includes a second material and at least one intermediate layer being located between the first layer and the second layer. The component is configured in su...
05/06/2003
6512172Polymer-nanocrystal photo device and method for making the same
Disclosed is a method of producing a photo device containing a layer of nanometer sized particles and a conducting polymer in solid sate, wherein the layer is made by mixing the nanometer sized particles in colloid with precursor polyparaphenylenevinylene...
01/28/2003
6483099Organic diodes with switchable photosensitivity
Organic diode detectors with switchable photosensitivity are achieved using organic photo layers in the photodiodes and a detector circuit which applies a reverse or forward bias voltage across the diodes. The diodes can be arranged in matrices which func...
11/19/2002
6391471Functional device and multi-component multi-phase type polymeric shaped material
The present invention provides a multi-component multi-phase type polymeric shaped material in which a plurality of hole- or electron-conducting phases constitute a three-dimensional bicontinuous nano phase separation structure, and a functional device us...
05/21/2002
6340789Multilayer photovoltaic or photoconductive devices
The invention concerns optically absorptive photonic devices and in particular photovoltaic and photoconductive devices. It is particularly concerned with devices formed from multiple semiconducting layers, e.g., organic semiconducting polymers. Such a de...
01/22/2002
6303943Organic diodes with switchable photosensitivity useful in photodetectors
Organic photodetectors with switchable photosensitivity are achieved using organic photoactive layers in electrode/organic/electrode structures. The photosensitivity can be switched on and off by the biasing voltage across the detectors, the switching vol...
10/16/2001
6232547Photo cell and method of manufacturing such cell by co-valent growth of a phase thereon
In a method of manufacturing a solar cell, a phase A is deposited in the form of stacks on an electrically conductive substrate, wherein the stacks are covalently and electrically interconnected and also connected to the substrate, and any spaces between ...
05/15/2001
5986206Solar cell
Polymer based solar cells incorporate nanoscale carbon particles as electron acceptors. The nanoscale carbon particles can be appropriate carbon blacks, especially modified laser black. Conducting polymers are used in the solar cells as electron donors up...
11/16/1999
5804836Smart polymer image processor
A smart array comprised an array of polymer grid triodes arrayed with a common polymer grid. In a preferred embodiment it is embodied as a conducting polymer device which provides local gain adjustment for video display such that the entire sensor dynamic...
09/08/1998
5759725Photoconductors and electrophotographic photoreceptors containing amorphous fullerenes
Disclosed is a photoconductor comprises, a material containing fullerenes and their derivatives arranged in an amorphous structure....
06/02/1998
5698048Photoresponsive materials
A photoresponsive material comprises molecular or polymeric semiconductors in which photogeneration of separated charge carriers proceeds substantially via an intermediate stage of a triplet exciton, where the generation of the triplet exciton may be faci...
12/16/1997
5670791Photoresponsive device with a photoresponsive zone comprising a polymer blend
First and second electrodes (3 and 4) are provided on respective ones (2' and 2") of the first and second major surfaces of a photoresponsive zone (2). The photoresponsive zone (2) is in the form of a polymer blend having regions (2a) of a first semicondu...
09/23/1997
5454880Conjugated polymer-acceptor heterojunctions; diodes, photodiodes, and photovoltaic cells
This invention relates generally to the fabrication of heterojunction diodes from semiconducting (conjugated) polymers and acceptors such as, for example, fullerenes, particularly Buckminsterfullerenes, C60, and more particularly to the use of ...
10/03/1995
5331183Conjugated polymer - acceptor heterojunctions; diodes, photodiodes, and photovoltaic cells
This invention relates generally to the fabrication of heterojunction diodes from semiconducting (conjugated) polymers and acceptors such as, for example, fullerenes, particularly Buckminsterfullerenes, C60, and more particularly to the use of ...
07/19/1994
4060426Tin indium oxide and polyvinylcarbazole layered polarized photovoltaic cell
A polarized photosensitive transducer is provided with a substantially transparent substrate over which there is preferably deposed a substantially transparent electroconductive layer of tin oxide-indium oxide. Overlying the electroconductive layer, there...
11/29/1977
 
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