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1. (WO2017034159) PROJECTION LENS SYSTEM AND PROJECTION SYSTEM

Pub. No.:    WO/2017/034159    International Application No.:    PCT/KR2016/007989
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Sat Jul 23 01:59:59 CEST 2016
IPC: G02B 9/64
G02B 13/18
G03B 21/14
Applicants: SAMSUNG ELECTRONICS CO., LTD.
Inventors: KIM, Jung-hyung
KIM, Hee-kyung
PARK, Jung-chul
SONG, Se-jun
YANG, Sung-kwang
LEE, Yoon-gi
Title: PROJECTION LENS SYSTEM AND PROJECTION SYSTEM
Abstract:
A projection lens system which is arranged between an object side at which a micro-display panel is located and an image side at which a screen is located, and includes an aperture stop; a front lens group arranged at an object-side of the aperture stop and having a positive refractive power; a rear lens group arranged at an image-side of the aperture stop, the rear lens group including a first aspherical lens at a position closest to the image side and a second aspherical lens adjacent to an object-side surface of the first aspherical lens; and an aspherical mirror having a negative refractive power and reflecting light coming from the rear lens group toward the image side.