The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2015
Filed:
Dec. 23, 2010
Fa-wei Zhang, Ningbo, CN;
Tao-lin Zhu, Ningbo, CN;
Zhao-yong Zheng, Ningbo, CN;
Wan-jiong Lin, Ningbo, CN;
Fa-Wei Zhang, Ningbo, CN;
Tao-Lin Zhu, Ningbo, CN;
Zhao-Yong Zheng, Ningbo, CN;
Wan-Jiong Lin, Ningbo, CN;
Self Electronics Co., Ltd., Ningbo, CN;
Abstract
A LED lamp includes a number of lenses each of which includes a light emitting surface and a plurality of shades mounted on the light emitting surface. Each of the shades includes a hole whose sectional area in radial direction is equal to that of the light emitting surface. An axial height of the hole follows the formula wherein His the axial height of the hole, φis a diameter value of the light emitting surface, and θis an output angle of the lens. Accordingly, a work area of the anti-glare LED lamp can be extend the most thereof since the shades block the stray light of a glare area of the LED lamp and strictly separates the work area from the glare area, and no stray light shot into eye in any areas. Therefore, the anti-glare LED lamp can achieve light distribution as designed without glare under cooperation of the lenses and the shades.