公开(公告)号：US20140027799A1

公开(公告)日：2014-01-30

申请号：US14045765

申请日：2013-10-03

Applicant: Intematix Corporation

Inventor： Yi-Qun Li ,  Gang Wang ,  Li-De Chen

IPC: H01L33/50

CPC classification number: H01L33/504 ,  C09K11/0883 ,  C09K11/7733 ,  C09K11/7734 ,  C09K11/7739 ,  C09K11/7774 ,  C09K11/7792 ,  F21K9/00 ,  F21V9/30 ,  H01L25/0753 ,  H01L33/50 ,  H01L2924/0002 ,  Y02B20/181 ,  H01L2924/00

Abstract: Embodiments of the present invention are directed toward white light illumination systems (so called “white LEDs”) that comprise a multi-chip excitation source and a phosphor package. In a two-chip source, the two LEDs may be UV-emitting and blue emitting, or blue-emitting and green-emitting. The phosphor package is configured to emit photoluminescence in wavelengths ranging from about 440 nm to about 700 nm upon co-excitation from the first and second radiation sources. The photoluminescence emitted by the phosphors is at least 40 percent of the total power in the white light illumination, and the portion of the total power in the white light illumination contributed by the first and second radiation sources (LEDs) is less than about 60 percent. This ratio can vary in alternative embodiments, and includes 50/50, 60/40, 70/30, and 80/20, respectively. The white light illumination emitted by the system has in one embodiment a color rendering index (CRI) greater than about 90.

Abstract translation: 本发明的实施例涉及包括多芯片激发源和磷光体封装的白光照明系统（所谓的“白光LED”）。 在双芯片源中，两个LED可以是UV发射和蓝色发射，或发蓝光和绿色发射。 磷光体封装被配置为在从第一和第二辐射源共激发时发射波长为约440nm至约700nm的光致发光。 由荧光体发射的光致发光是白光照射中总功率的至少40％，由第一和第二辐射源（LED）贡献的白光照射中的总功率的部分小于约60％ 。 该比例可以在替代实施例中变化，并且分别包括50/50,60 / 40,70 / 30和80/20。 系统发出的白光照明在一个实施例中是显色指数（CRI）大于约90。

公开(公告)号：US09324923B2

公开(公告)日：2016-04-26

申请号：US14045765

申请日：2013-10-03

Applicant: Intematix Corporation

Inventor： Yi-Qun Li ,  Gang Wang ,  Li-De Chen

IPC: F21V9/16 ,  H01L33/50 ,  C09K11/08 ,  C09K11/77 ,  F21K99/00 ,  H01L25/075

CPC classification number: H01L33/504 ,  C09K11/0883 ,  C09K11/7733 ,  C09K11/7734 ,  C09K11/7739 ,  C09K11/7774 ,  C09K11/7792 ,  F21K9/00 ,  F21V9/30 ,  H01L25/0753 ,  H01L33/50 ,  H01L2924/0002 ,  Y02B20/181 ,  H01L2924/00

Abstract: Embodiments of the present invention are directed toward white light illumination systems (so called “white LEDs”) that comprise a multi-chip excitation source and a phosphor package. In a two-chip source, the two LEDs may be UV-emitting and blue emitting, or blue-emitting and green-emitting. The phosphor package is configured to emit photoluminescence in wavelengths ranging from about 440 nm to about 700 nm upon co-excitation from the first and second radiation sources. The photoluminescence emitted by the phosphors is at least 40 percent of the total power in the white light illumination, and the portion of the total power in the white light illumination contributed by the first and second radiation sources (LEDs) is less than about 60 percent. This ratio can vary in alternative embodiments, and includes 50/50, 60/40, 70/30, and 80/20, respectively. The white light illumination emitted by the system has in one embodiment a color rendering index (CRI) greater than about 90.

Abstract translation: 本发明的实施例涉及包括多芯片激发源和磷光体封装的白光照明系统（所谓的“白光LED”）。 在双芯片源中，两个LED可以是UV发射和蓝色发射，或发蓝光和绿色发射。 磷光体封装被配置为在从第一和第二辐射源共激发时发射波长为约440nm至约700nm的光致发光。 由荧光体发射的光致发光是白光照射中总功率的至少40％，由第一和第二辐射源（LED）贡献的白光照射中的总功率的部分小于约60％ 。 该比例可以在替代实施例中变化，并且分别包括50/50,60 / 40,70 / 30和80/20。 系统发出的白光照明在一个实施例中是显色指数（CRI）大于约90。