Patents Assigned to Bengbu Design & Research Institute for Glass Industry
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Publication number: 20220267206Abstract: A method for processing a transparent cover plate for a flat body includes the following steps of providing the transparent cover plate having an outer side and an opposite inner side, wherein the transparent cover plate includes a structured area with a light-scattering structure, forming of at least one optical interference layer on a cover plate side including applying a mask to the transparent cover plate, wherein the mask does not cover a first area of a cover plate surface and covers a second area of the cover plate side, and the first area and the second area are arranged to overlap the structured area, the at least one optical interference layer is applied in overlap with the mask, and removing of the mask, whereby the at least one optical interference layer is also removed.Type: ApplicationFiled: September 18, 2020Publication date: August 25, 2022Applicant: (CNBM) BENGBU DESIGN & RESEARCH INSTITUTE FOR GLASS INDUSTRY CO., LTDInventors: Lutz TAUTENHAHN, Robert HEINHOLD
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Publication number: 20220228255Abstract: A process for producing a chalcogen-containing compound semiconductor includes providing at least one substrate coated with a precursor for the chalcogen-containing compound semiconductor in a process chamber; heat treating the at least one coated substrate in the process chamber, wherein during a heat treatment, a gas atmosphere comprising at least one gaseous chalcogen compound is provided in the process chamber; removing the gas atmosphere present after the heat treatment of the at least one coated substrate as a waste gas from the process chamber; cooling the waste gas in a gas processor, wherein a plurality of gaseous chalcogen compounds-present in the waste gas after the heat treatment of the at least one coated substrate are separated in time and space from one another from the waste gas by respective conversion into a liquid or solid form. Further provided is a device designed to carry out the process.Type: ApplicationFiled: May 6, 2020Publication date: July 21, 2022Applicant: (CNBM) BENGBU DESIGN & RESEARCH INSTITUTE FOR GLASS INDUSTRY CO., LTDInventors: Joerg PALM, Thomas NIESEN, Erik TRABITZSCH
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Publication number: 20220158022Abstract: An arrangement for heat treating a multilayer body, which arrangement comprises an energy source with at least one radiant heater for generating heating radiation, a multilayer body, and an intermediate element arranged between the energy source and the multilayer body. According to a first alternative, the intermediate element includes a surface element implemented in the form of a flexible film. According to a second alternative, the intermediate element includes a surface element implemented in the form of a flexible film or a rigid plate, wherein the surface element has a surface facing the energy source, which can be irradiated by the heating radiation and is mechanically supported by a supporting device in the direction toward the energy source.Type: ApplicationFiled: October 29, 2019Publication date: May 19, 2022Applicant: (CNBM) BENGBU DESIGN & RESEARCH INSTITUTE FOR GLASS INDUSTRY CO., LTDInventors: Joerg PALM, Martin FUERFANGER, Mike VERDENHALVEN
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Patent number: 11211508Abstract: A thin-film solar module with a substrate and a layer structure applied thereon. The layer structure has a rear electrode layer, a front electrode layer, and an absorber layer arranged between the rear electrode layer and the front electrode layer. The absorber layer has doping of a first conductor type, while the front electrode layer has doping of a second conductor type. Serially connected solar cells are formed in the layer structure by patterning zones having a first patterning trench subdividing the rear electrode layer, a second patterning trench subdividing the absorber layer, and a third patterning trench subdividing the front electrode layer.Type: GrantFiled: November 28, 2018Date of Patent: December 28, 2021Assignee: (CNBM) BENGBU DESIGN & RESEARCH INSTITUTE FOR GLASS INDUSTRY CO., LTDInventors: Rajneesh Verma, Christian Schubbert, Marko Stoelzel
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Patent number: 11183605Abstract: A method for producing a layer structure for the production of thin-film solar cells including: providing a carrier substrate, depositing a rear electrode layer on the carrier substrate, producing a rear-electrode-layer-free region, creating a measurement layer over the rear electrode layer such that the measurement layer is situated at least over the rear-electrode-layer-free region, wherein the measurement layer is a photoactive absorber layer or a precursor layer of the photoactive absorber layer, and determining a quantity or a relative share of a component of the measurement layer in a region of the measurement layer that is situated over the rear-electrode-layer-free region of the rear electrode layer.Type: GrantFiled: April 18, 2018Date of Patent: November 23, 2021Assignee: (CNBM) BENGBU DESIGN RESEARCH INSTITUTE FOR GLASS INDUSTRY CO. LTDInventors: Helmut Vogt, Robert Lechner
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Patent number: 11121277Abstract: A solar module with solar cells comprising a front covering with an outer and an inner surface and further comprising optically active zones with a first color, and optically inactive zones having a second color different from the first color. The front covering having a first dot grid covering the optically active zones, the first dot grid having a large number of opaque colored dots that have a third color different from the first color, wherein addition of the first color and the third color yields an additive color. The front covering having a second dot grid covering a optically inactive zone, the second dot grid having opaque colored dots having a fourth color different from the second color, wherein addition of the second color and the fourth color yields an additive color, wherein the third color and the fourth color are selected for a calculated color deviation.Type: GrantFiled: February 19, 2019Date of Patent: September 14, 2021Assignee: (CNBM) BENGBU DESIGN & RESEARCH INSTITUTE FOR GLASS INDUSTRY CO., LTDInventor: Joerg Palm
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Patent number: 10163670Abstract: The present invention relates to a device for heat treating an object, in particular a coated substrate, with an in particular gas-tightly sealable housing that encloses a hollow space, wherein the hollow space has a separating wall, by which the hollow space is divided into a process space for accommodating the object and an intermediate space, wherein the separating wall has one or a plurality of openings, which are implemented such that the separating wall acts as a barrier for the diffusion out of the process space into the intermediate space of a gaseous substance generated in the process space by the heat treatment of the object. The housing has at least one housing section coupled to a cooling device for its active cooling, wherein the separating wall is arranged between the object and the coolable housing section. The invention further relates to the use of a separating wall as a diffusion barrier in a device for heat treating an object as well as a corresponding method for heat treating an object.Type: GrantFiled: July 9, 2013Date of Patent: December 25, 2018Assignee: Bengbu Design & Research Institute for Glass IndustryInventors: Martin Fürfanger, Stefan Jost, Jörg Palm
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Patent number: 10134931Abstract: The present invention relates to a layer system (1) for thin-film solar cells (100) and solar modules, comprising an absorber layer (4), which includes a chalcogenide compound semiconductor, and a buffer layer (5), which is arranged on the absorber layer (4) and includes halogen-enriched ZnxIn1-xSy with 0.01?x?0.9 and 1?y?2, wherein the buffer layer (5) consists of a first layer region (5.1) adjoining the absorber layer (4) with a halogen mole fraction A1 and a second layer region (5.2) adjoining the first layer region (5.1) with a halogen mole fraction A2 and the ratio A1/A2 is ?2 and the layer thickness (d1) of the first layer region (5.1) is ?50% of the layer thickness (d) of the buffer layer (5).Type: GrantFiled: June 19, 2013Date of Patent: November 20, 2018Assignee: Bengbu Design & Research Institute for Glass IndustryInventors: Jörg Palm, Stephan Pohlner, Thomas Happ, Thomas Dalibor, Roland Dietmüller
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Patent number: 9926626Abstract: The present invention relates to a system for processing coated substrates, having the following features: at least one evacuable process box for accommodating at least one substrate with a gas-tightly sealable housing, which forms a hollow space, wherein the housing comprises at least one housing section, which is implemented such that the substrate is thermally treatable by incident electromagnetic thermal radiation, wherein the housing has at least one housing section coupleable to a cooling device for its cooling and at least one housing section not coupled to the cooling device, wherein the hollow space is divided by at least one separating wall into a process space for accommodating the substrate and an intermediate space, wherein the separating wall has one or a plurality of openings and is arranged between the substrate and the housing section coupled to the cooling device, and wherein the housing is provided with at least one sealable gas passage that opens into the hollow space, for evacuating and iType: GrantFiled: July 9, 2013Date of Patent: March 27, 2018Assignee: Bengbu Design & Research Institute for Glass IndustryInventors: Stefan Jost, Martin Fürfanger, Jörg Palm
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Patent number: 9917222Abstract: A frameless solar module having a carrier substrate and a top layer connected thereto, between which there is a layer structure which forms a plurality of solar cells connected in series for the photovoltaic generation of power is described. The carrier substrate and/or the top layer of the frameless solar module is/are provided with mounting holes for mounting the solar module on a module bracket or for connection to at least one further solar module. The mounting holes are produced in a coating-free zone within a photovoltaically active region. Mounting arrangements having such a solar module which contain fixing elements which pass through the mounting holes are also described. Furthermore, a method for producing such a solar module in which the mounting holes are produced in the carrier substrate and/or in the top layer is also described.Type: GrantFiled: September 28, 2012Date of Patent: March 13, 2018Assignee: BENGBU DESIGN & RESEARCH INSTITUTE FOR GLASS INDUSTRYInventors: Thomas Happ, Jan Boris Philipp
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Patent number: 9899561Abstract: The present invention relates to a method for producing a compound semiconductor (2), which comprises the following steps: Producing at least one precursor layer stack (11), consisting of a first precursor layer (5.1), a second precursor layer (6), and a third precursor layer (5.2), wherein, in a first stage, the first precursor layer (5.1) is produced by depositing the metals copper, indium, and gallium onto a body (12), and, in a second stage, the second precursor layer (6) is produced by depositing at least one chalcogen, selected from sulfur and selenium, onto the first precursor layer (5.1) and, in a third stage, the third precursor layer (5.2) is produced by depositing the metals copper, indium, and gallium onto the second precursor layer (6); Heat treating the at least one precursor layer stack (11) in a process chamber (13) such that the metals of the first precursor layer (5.1), the at least one chalcogen of the second precursor layer (6), and the metals of the third precursor layer (5.Type: GrantFiled: December 11, 2013Date of Patent: February 20, 2018Assignee: Bengbu Design & Research Institute for Glass IndustryInventors: Stefan Jost, Robert Lechner, Thomas Dalibor, Patrick Eraerds
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Patent number: 9871155Abstract: The present invention relates to a layer system (1) for thin-film solar cells with an absorber layer (4) that contains a chalcogenide compound semiconductor and a buffer layer (5) that is arranged on the absorber layer (4), wherein the buffer layer (5) contains NaxIn1SyClz with 0.05?x<0.2 or 0.2<x?0.5, 1?y?2, and 0.6?x/z ?1.4.Type: GrantFiled: June 19, 2013Date of Patent: January 16, 2018Assignee: Bengbu Design & Research Institute for Glass IndustryInventors: Thomas Happ, Stefan Jost, Jörg Palm, Stephan Pohlner, Thomas Dalibor, Roland Dietmüller