Patents by Inventor Ee Lian Lee

Ee Lian Lee 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).

  • Publication number: 20220131052
    Abstract: In an embodiment an optoelectronic semiconductor component includes an optoelectronic semiconductor chip having a radiation exit surface and side surfaces running transversely with respect to the radiation exit surface, the optoelectronic semiconductor chip configured to emit primary radiation through the radiation exit surface, a conversion element arranged on the radiation exit surface, the conversion element configured to convert at least part of the primary radiation into secondary radiation and including a stack of at least two conversion layers and a reflective element laterally surrounding the optoelectronic semiconductor chip, wherein a lateral extent of the conversion layers decreases from a layer which is closest to the radiation exit surface to a layer which is most distant from the radiation exit surface, wherein the conversion element includes a part laterally extending beyond the radiation exit surface and being concavely curved, wherein the conversion element is partly arranged on the reflectiv
    Type: Application
    Filed: March 14, 2019
    Publication date: April 28, 2022
    Inventors: Ee Lian LEE, Liang Boon YAP, Prakash RAJAH
  • Publication number: 20220077361
    Abstract: In an embodiment a method for producing a plurality of radiation-emitting devices includes providing a plurality of semiconductor chips on a main surface of a carrier, each semiconductor chip for emitting electromagnetic radiation from a radiation exit surface, arranging a lens mold with a plurality of cavities over the carrier, introducing a liquid mold material into the cavities of the lens mold and curing the liquid mold material such that a plurality of molded lenses is generated, wherein the molded lenses directly adjoin the main surface of the carrier, wherein regions of an outer surface of the molded lenses directly adjacent to the main surface of the carrier are free of planar areas, and wherein the carrier includes a plurality of carrier elements, the carrier elements having a first recess in a main surface extending from a side face of the carrier element.
    Type: Application
    Filed: April 12, 2019
    Publication date: March 10, 2022
    Inventors: Ee Lian Lee, Boon Liang Yap, Prakash Rajah
  • Patent number: 11158611
    Abstract: An LED filament is disclosed.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: October 26, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Ee Lian Lee, Tilman Eckert, Ralph Bertram, Kok Eng Ng, Anuarul Ikhwan Mat Nazri
  • Publication number: 20200105724
    Abstract: An LED Filament is disclosed.
    Type: Application
    Filed: June 8, 2018
    Publication date: April 2, 2020
    Inventors: Ee Lian Lee, Tilman Eckert, Ralph Bertram, Kok Eng Ng, Anuarul lkhwan Mat Nazri
  • Patent number: 10263165
    Abstract: In an embodiment the optical component includes an optoelectronic semiconductor chip including a radiation emission face, a deflection element configured to deflect electromagnetic radiation emitted by the optoelectronic semiconductor chip in a main emission direction which forms an angle deviating from 90° with the radiation emission face, wherein the deflection element is configured as a prism structure and an optical lens having an optical axis, wherein the optical axis forms an angle deviating from 90° with the radiation emission face.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: April 16, 2019
    Assignee: OSRAM Opto Semiconductor GmbH
    Inventors: Tilman Eckert, Claus Jäger, Ee Lian Lee, Michael Hirmer
  • Publication number: 20180026167
    Abstract: An optoelectronic component is disclosed. In an embodiment the optical component includes an optoelectronic semiconductor chip including a radiation emission face, a deflection element configured to deflect electromagnetic radiation emitted by the optoelectronic semiconductor chip in a main emission direction which forms an angle deviating from 90° with the radiation emission face, wherein the deflection element is configured as a prism structure and an optical lens having an optical axis, wherein the optical axis forms an angle deviating from 90° with the radiation emission face.
    Type: Application
    Filed: January 12, 2016
    Publication date: January 25, 2018
    Inventors: Tilman Eckert, Claus Jäger, Ee Lian Lee, Michael Hirmer
  • Patent number: 9252344
    Abstract: The invention relates to a structural component which comprises a support (1), an optoelectronic semiconductor chip (2) having at least one lateral face (2a), further comprising a connecting means (3), a first molded element (4), and a second molded element (5), the optoelectronic semiconductor chip (2) being mechanically connected to the support (1) by the connecting means (3). The first molded element (4) covers an exposed outer face of the optoelectronic semiconductor chip (2) and the first molded element (4) covers an exposed outer face of the connecting means (3). The second molded element (5) covers an exposed outer face of the first molded element (5) and the second molded element (5) has a higher modulus of elasticity at room temperature than the first molded element.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: February 2, 2016
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Thomas Kippes, Stephan Haslbeck, Annaniah Luruthudass, Ee Lian Lee
  • Publication number: 20140159101
    Abstract: The invention relates to a structural component which comprises a support (1), an optoelectronic semiconductor chip (2) having at least one lateral face (2a), further comprising a connecting means (3), a first molded element (4), and a second molded element (5), the optoelectronic semiconductor chip (2) being mechanically connected to the support (1) by the connecting means (3). The first molded element (4) covers an exposed outer face of the optoelectronic semiconductor chip (2) and the first molded element (4) covers an exposed outer face of the connecting means (3). The second molded element (5) covers an exposed outer face of the first molded element (5) and the second molded element (5) has a higher modulus of elasticity at room temperature than the first molded element.
    Type: Application
    Filed: April 12, 2012
    Publication date: June 12, 2014
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Thomas Kippes, Stephan Haslbeck, Annaniah Luruthudass, Ee Lian Lee