Invention Grant
US08669565B2 LED devices with narrow viewing angle and an LED display including same
有权
具有窄视角的LED装置和包括其的LED显示器
- Patent Title: LED devices with narrow viewing angle and an LED display including same
- Patent Title (中): 具有窄视角的LED装置和包括其的LED显示器
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Application No.: US13161245Application Date: 2011-06-15
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Publication No.: US08669565B2Publication Date: 2014-03-11
- Inventor: Chi Keung Chan , Zhi Kuan Zhang , Xiang Fei , Hao Liu , Ju Zuo Sheng , David Todd Emerson
- Applicant: Chi Keung Chan , Zhi Kuan Zhang , Xiang Fei , Hao Liu , Ju Zuo Sheng , David Todd Emerson
- Applicant Address: CN Huizhou, Guangdong
- Assignee: Cree Huizhou Solid State Lighting Company Limited
- Current Assignee: Cree Huizhou Solid State Lighting Company Limited
- Current Assignee Address: CN Huizhou, Guangdong
- Agency: Brinks Gilson & Lione
- Main IPC: H01L33/02
- IPC: H01L33/02
Abstract:
LED devices includes a lead frame having a reflector cup with a round bottom surface and a wall surface having a variable inclination with respect to the bottom surface and defining an opening at an upper end thereof. An LED is mounted on the bottom surface of the reflector cup, and an LED module includes first and second LED device that emit different colors. The first and second LED devices have substantially matched far field patterns in a first and second direction, where a first viewing angle in the first direction is less than about 99°.
Public/Granted literature
- US20120120118A1 LED DEVICES WITH NARROW VIEWING ANGLE AND AN LED DISPLAY INCLUDING SAME Public/Granted day:2012-05-17
Information query
IPC分类:
