Lightlab Sweden Ab

Radi Medical Technologies Ab

Nanyang Technological University

Other

Telefonaktiebolaget Lm Ericsson (publ)

Purefize Technologies Ab

Jonas Tirén

Hilmi Volkan Demir

Lars Tenerz

Leif Smith

Pelle Rangsten

Jan-Otto Carlsson

Swee Tiam Tan

Patrik Hollman

Vijay Kumar Sharma

Bertil Hok

Klas Anders Hjort

Carolina Ribbing

Olesya Nikonova

Goran Mork

Helena Tenerz

Jesper Engvall

Göran MÖRK

The present invention generally relates to a system for treating a fluid and specifically to a treatment system configured for improved bacterial reduction, wherein the system comprises a field emission based UV light source adapted to emit light within a ultraviolet C (UVC) spectrum with a wavelength range having an upper range limit being higher compared to light emitted from a mercury based UV light source.

System for treating a fluid with non-mercury-based UV light

The present invention generally relates to an extraction structure for a UV lighting element. The present invention also relates to a UV lamp comprising such an extraction structure onto a substrate. The extraction structure comprises a plurality of nanostructures for anti-reflecting purposes. The nanostructures are grown on the top surface of at least one of the first and second side of the substrate.

Extraction structure for a UV lamp

The present invention generally relates to a system for treating a fluid and specifically to a treatment system () configured for selectively activating a first () and a second UV light source (). The aim of the invention is to reduce the effective energy consumption of a system for treating a fluid with UV light. The invention especially concerns to overcome the drawback with mercury light sources, which do not turn on immediately. Only the second UV light source () is an UV mercury based light source and the electrical power supply is configured to selectively deactivate the first UV light source () based on a predetermined condition based on a warm-up period for the second light source.

System for UV light treatment of a fluid

The present disclosure generally relates to field emission cathode structure for a field emission arrangement, specifically adapted for enhance reliability and prolong the lifetime of the field emission arrangement by arranging a getter element underneath a gas permeable portion of the field emission cathode structure. The present disclosure also relates to a field emission lighting arrangement comprising such a field emission cathode structure and to a field emission lighting system.

Field emission cathode structure for a field emission arrangement

The present invention generally relates to a method for operating a plurality of field emission light sources, specifically for performing a testing procedure in relation to a plurality of field emission light sources manufactured in a chip based fashion. The invention also relates to a corresponding testing system.

Chip testing method and an apparatus for testing of a plurality of field emission light sources

The present invention generally relates to a field emission light source and specifically to a field emission light source adapted to emit ultraviolet (UV) light. The light source has a UV emission member provided with an electron-excitable UV emitting material. The material is at least one of LuPO:Pr, LuSiO:Pr, LaPO:Pr, YBO:Prand YPO:Bi.

Field emission light source adapted to emit UV light

The present invention relates to the field of field emission lighting, and specifically to a method for forming a field emission cathode. The method comprises arranging a growth substrate in a growth solution comprising a Zn-based growth agent, the growth solution having a pre-defined pH-value at room temperature; increasing the pH value of the growth solution to reach a nucleation phase; upon increasing the pH of the solution nucleation starts. The growth phase is then entered by decreasing the pH. The length of the nanorods is determined by the growth time. The process is terminated by increasing the pH to form sharp tips. The invention also relates to a structure for such a field emission cathode and to a lighting arrangement comprising the field emission cathode.

Method for manufacturing nanostructures for a field emission cathode

The present invention generally relates to an x-ray source and specifically to an x-ray source suitable for large area x-ray generation. The invention also relates to a system comprising such an x-ray source.

X-ray source and system comprising an x-ray source

The present invention generally relates to a field emission light source and specifically to a miniaturized field emission light source that is possible to manufacture in large volumes at low cost using the concept of wafer level manufacturing, i.e., a similar approach as used by integrated circuits (IC) and microelectromechanical systems (MEMS). The invention also relates to a lighting arrangement comprising at least one field emission light source.

Field emission light source

The present invention relates to a method for controllably growing ZnO nanowires, for example to be used in relation to field emission lighting. In particular, the invention relates to a method of controlling thermal oxidation conditions to achieve steady-state conditions between an oxygen consumption rate by a growing oxide on a surface of a structure and the decomposition rate of the oxygen-carrying species within the chamber. The invention also relates to a corresponding field emission cathode.

Method for controllably growing ZnO Nanowires

The present invention relates to a field emission lighting arrangement, comprising an anode and a cathode, where the shape of the cathode is selected based on the shape of a evacuated envelope in which the anode and cathode is provided. The inventive shape of cathode allows for an improved uniformity of an electric field provided between the anode and cathode during operation of the field emission lighting arrangement. The invention also relates to a corresponding method for selecting a shape of such a cathode.

Shaped cathode for a field emission arrangement

The present invention relates to a power supply for a field emission light source. The novel power supply allows for a reduction in size as well as allowing for improvements relating to power factor and efficiency. The size reduction further allows the power supply to efficiently be integrated together with the field emission light source forming a lighting device.

Power supply for a field emission light source

A miniaturized X-ray source is disclosed. It comprises an anode structure () and a cathode structure (), each having an essentially pointed portion (), wherein at least the pointed portions being directed towards each other and enclosed in a vacuum cavity (). The anode structure has an essentially dome shaped structure having a first essentially flat part () surrounded by a second essentially flat part (), connected by a wall section (), such that said first and second parts are located at different levels. The pointed portion is provided on said first flat portion and having an extension such that the apex of said pointed portion does not extend beyond the level of said second essentially flat part. A method of making an X-ray source is also disclosed.

X-ray tube electrodes

A miniature X-ray source includes a support structure provided with a through hole, an anode arranged at one end of the hole and a cathode at the other end of the hole, thereby defining a cavity, wherein the anode and cathode are adapted to be energized to generate X-ray radiation. The support structure has a cross-sectional shape that is determined such that a desired radiation distribution of the radiation generated by the X-ray source is achieved. Also a method of manufacturing miniature X-ray sources is disclosed.

Miniature X-ray source and method

The invention relates to an apparatus for the controlled delivery of ionizing radiation to a therapy location. It comprises a source ( ) of ionizing radiation provided at the distal end of an elongated member ( ). It also has a control unit ( ) for controlling the movement of said radiation source ( ) at the therapy location, via a driving unit ( ). A method according to the invention comprises controlling the radiation dose at the therapy location, by controlling the movement of the source.

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Uppsala, Sweden

Jonas Tirén