Patent · US Active

Collimation lens module and light source module using the same

US10444467B2 · kind B2 · utility

0Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2015
Grant dateOct 15, 2019
Priority date
Expiry dateApr 7, 2036

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B13/0085
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A collimating lens module and a light source module using the same are provided. The collimating lens module includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens. The first lens is configured for receiving light, wherein the first lens is a negative aspheric lens. The second lens is disposed on the first lens, wherein the second lens is a positive lens. The third lens is disposed on the second lens, wherein the third lens is a negative lens. The fourth lens is disposed on the third lens, wherein the fourth lens is a positive lens. The fifth lens is disposed on the fourth lens, wherein the fifth lens is a positive aspheric lens and configured for outputting collimated light. The light source module includes the collimating lens module and a light emitting diode (LED).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.