Patents by Inventor Alexander BOTHE

Alexander BOTHE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Low-pressure discharge lamp with fluorescent particles having a small particle size
    Patent number: 9865450
    Abstract: In different embodiments, a low-pressure discharge lamp (1) is provided. The low-pressure discharge lamp has a discharge vessel (2) and a coating structure (7). The coating structure is formed on an inner face of the discharge vessel (2). The coating structure (7) has first fluorescent particles (34) which have at least one fluorescent substance that emits red light and the average particle size of which ranges from 0.5 ?m to 1.9 ?m, second fluorescent particles (36) which have at least one fluorescent substance that emits green light and the average particle size of which ranges from 0.6 ?m to 2.8 ?m or from 1 ?m to 4 ?m, and third fluorescent particles (38) which have at least one fluorescent substance that emits blue light and the average particle size of which ranges from 1 ?m to 4 ?m.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: January 9, 2018
    Assignee: LEDVANCE GmbH
    Inventors: Armin Konrad, Renate Hirrle, Markus Schönheits, Alexander Bothe, Frauke Philipp, Thomas Huckenbeck
  • LOW-PRESSURE DISCHARGE LAMP WITH FLUORESCENT PARTICLES HAVING A SMALL PARTICLE SIZE
    Publication number: 20170076933
    Abstract: In different embodiments, a low-pressure discharge lamp (1) is provided. The low-pressure discharge lamp has a discharge vessel (2) and a coating structure (7). The coating structure is formed on an inner face of the discharge vessel (2). The coating structure (7) has first fluorescent particles (34) which have at least one fluorescent substance that emits red light and the average particle size of which ranges from 0.5 ?m to 1.9 ?m, second fluorescent particles (36) which have at least one fluorescent substance that emits green light and the average particle size of which ranges from 0.6 ?m to 2.8 ?m or from 1 ?m to 4 ?m, and third fluorescent particles (38) which have at least one fluorescent substance that emits blue light and the average particle size of which ranges from 1 ?m to 4 ?m.
    Type: Application
    Filed: February 4, 2015
    Publication date: March 16, 2017
    Applicant: OSRAM GmbH
    Inventors: Armin KONRAD, Renate HIRRLE, Markus SCHÖNHEITS, Alexander BOTHE, Frauke PHILIPP, Thomas HUCKENBECK