Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LENS COVER HAVING LENS ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/110120
Kind Code:
A1
Abstract:
A lens cover for a plurality of light emitting devices is provided. The lens cover includes a base substrate and an optical lens element. The optical lens element extends from the base substrate and defines a focal center. The optical lens element includes a length and a width and includes an exterior surface and interior surface. The exterior surface extends from the base substrate along an outer perimeter and is symmetrical about the focal center. The interior surface is symmetrical about the focal center.

More Like This:
JP5320250Transparent structure, light source module, lighting device using it, liquid crystal display device and image display device
JP2010049830LED LIGHTING APPARATUS
JP2017076564LIGHT CONTROL MEMBER USED AT CEILING PART AND SLOPE PART, AND LIGHT CONTROL SYSTEM
Inventors:
HUO YONGFENG (CN)
CAI DENGKE (US)
Application Number:
PCT/CN2020/132703
Publication Date:
June 02, 2022
Filing Date:
November 30, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HGCI INC (US)
HUO YONGFENG (CN)
International Classes:
F21V5/00
Foreign References:
CN104011461A2014-08-27
CN110131603A2019-08-16
US20150176774A12015-06-25
KR20180129413A2018-12-05
CN104421837A2015-03-18
CN101986018A2011-03-16
CN110869668A2020-03-06
Other References:
See also references of EP 4034808A4
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: AIR FILTER BODIES HAVING DEPOSITS OF MINERAL PARTICLES AND METHODS FOR PRODUCING

Next Patent: METHOD FOR BIOMETRIC ANALYSIS ABOUT A USER OF AN ELECTRONIC DEVICE