发明申请
- 专利标题: WHITE LIGHT EMITTING DEVICE AND WHITE LIGHT SOURCE MODULE USING THE SAME
- 专利标题(中): 白光发光装置和白光源模块使用相同
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申请号: US13097419申请日: 2011-04-29
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公开(公告)号: US20110242437A1公开(公告)日: 2011-10-06
- 发明人: Chul Hee YOO , Young June JEONG , Young Sam PARK , Seong Yeon HAN , Ho Yeon KIM , Hun Joo HAHM , Hyung Suk KIM
- 申请人: Chul Hee YOO , Young June JEONG , Young Sam PARK , Seong Yeon HAN , Ho Yeon KIM , Hun Joo HAHM , Hyung Suk KIM
- 申请人地址: KR Suwon
- 专利权人: SAMSUNG LED CO., LTD.
- 当前专利权人: SAMSUNG LED CO., LTD.
- 当前专利权人地址: KR Suwon
- 优先权: KR2006-122631 20061205; KR2007-12112 20070206
- 主分类号: H01J1/62
- IPC分类号: H01J1/62 ; G02F1/13357 ; G02F1/1335 ; G09G5/10 ; G09G3/36 ; H04N3/14
摘要:
A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue light emitting diode chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, and the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram.
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