The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 04, 2012
Filed:
May. 17, 2011
Paul Joseph Popa, Auburn, MI (US);
Garo Khanarian, Princeton, NJ (US);
Weijun Zhou, Sugar Land, TX (US);
John R. Ell, Quakertown, PA (US);
Paul Joseph Popa, Auburn, MI (US);
Garo Khanarian, Princeton, NJ (US);
Weijun Zhou, Sugar Land, TX (US);
John R. Ell, Quakertown, PA (US);
Rohm and Haas Electronic Materials LLC, Marlborough, MA (US);
Abstract
A method of making a light emitting diode (LED) having an optical element is provided, comprising: providing a curable liquid polysiloxane/TiOcomposite, which exhibits a refractive index of >1.61 to 1.7 and which is a liquid at room temperature and atmospheric pressure; providing a semiconductor light emitting diode die having a face, wherein the semiconductor light emitting diode die emits light through the face; contacting the semiconductor light emitting diode die with the curable liquid polysiloxane/TiOcomposite; and, curing the curable liquid polysiloxane/TiOcomposite to form an optical element; wherein at least a portion of the optical element is adjacent to the face.