• Patent Title: Red phosphor, white light source, light emitting device, and method for forming the red phosphor
  • Application No.: US14899520
    Application Date: 2014-05-19
  • Publication No.: US09862884B2
    Publication Date: 2018-01-09
  • Inventor: Zhong Shi LiuWenhui ZhaoXiping Jing
  • Applicant: OSRAM GmbH
  • Applicant Address: DE München
  • Assignee: OSRAM GmbH
  • Current Assignee: OSRAM GmbH
  • Current Assignee Address: DE München
  • Agency: Slater Matsil, LLP
  • Priority: CN201310240049 20130617
  • International Application: PCT/EP2014/060269 WO 20140519
  • International Announcement: WO2014/202311 WO 20141224
  • Main IPC: C09K11/64
  • IPC: C09K11/64 H01L33/50
Red phosphor, white light source, light emitting device, and method for forming the red phosphor
Abstract:
The present invention relates to a red phosphor, which includes an element A, magnesium, aluminum, oxygen, and manganese in Chemical Formula (1) that is (A1−xMgx)4AI14−yO25:γMn4+. The element A in the Chemical Formula (1) is at least one of strontium, barium, and calcium, and x and y in the Chemical Formula (1) satisfy the relational expressions 0
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