Invention Grant
- Patent Title: Light emitting device having strontium oxyorthosilicate type phosphors
- Patent Title (中): 具有氧化硅酸锶型荧光体的发光器件
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Application No.: US12972996Application Date: 2010-12-20
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Publication No.: US08963173B2Publication Date: 2015-02-24
- Inventor: Chung Hoon Lee , Walter Tews , Gundula Roth , Detlef Starick
- Applicant: Chung Hoon Lee , Walter Tews , Gundula Roth , Detlef Starick
- Applicant Address: KR Ansan-si DE Greifswald
- Assignee: Seoul Semiconductor Co., Ltd.,LITEC-LP GmbH
- Current Assignee: Seoul Semiconductor Co., Ltd.,LITEC-LP GmbH
- Current Assignee Address: KR Ansan-si DE Greifswald
- Agency: H.C. Park & Associates, PLC
- Priority: DE102009059798 20091221; KR10-2010-0035190 20100416
- Main IPC: H01L29/20
- IPC: H01L29/20 ; C09K11/77 ; H01L33/50 ; H01L33/64
Abstract:
Exemplary embodiments of the present invention relate to light emitting devices including strontium oxyorthosilicate-type phosphors. The light emitting device includes a light emitting diode, which emits light in the UV or visible range, and phosphors disposed around the light emitting diode to absorb light emitted from the light emitting diode and emit light having a different wavelength from the absorbed light. The phosphors include an oxyorthosilicate phosphor having a general formula of Sr3-x-y-zCaxMIIySiO5: Euz with a calcium molar fraction in the range of 0
Public/Granted literature
- US20120001205A1 LIGHT EMITTING DEVICE HAVING STRONTIUM OXYORTHOSILICATE TYPE PHOSPHORS Public/Granted day:2012-01-05
Information query
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