TW200627051A - Projection lens and optical projection apparatus - Google Patents

Projection lens and optical projection apparatus

Info

Publication number
TW200627051A
TW200627051A TW094102111A TW94102111A TW200627051A TW 200627051 A TW200627051 A TW 200627051A TW 094102111 A TW094102111 A TW 094102111A TW 94102111 A TW94102111 A TW 94102111A TW 200627051 A TW200627051 A TW 200627051A
Authority
TW
Taiwan
Prior art keywords
lens
projection
lens cone
dynamic device
strengthening block
Prior art date
Application number
TW094102111A
Other languages
Chinese (zh)
Other versions
TWI259930B (en
Inventor
Chia-Chen Liao
Ching-Min Lin
Hsin-Jen Wang
Nien-Tsung Hsu
Original Assignee
Young Optics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Young Optics Inc filed Critical Young Optics Inc
Priority to TW94102111A priority Critical patent/TWI259930B/en
Publication of TW200627051A publication Critical patent/TW200627051A/en
Application granted granted Critical
Publication of TWI259930B publication Critical patent/TWI259930B/en

Links

Landscapes

  • Projection Apparatus (AREA)
  • Lens Barrels (AREA)

Abstract

A projection lens, suitable for being cut into by a dynamic device, is provided. The projection lens includes a shell and a plurality of lenses, and the lenses are disposed in the shell. The shell includes a lens cone, a strengthening block and a cover. The dynamic device is disposed on the strengthening block, and the lens cone is infixed into the strengthening block. The lens cone has a cut-into opening for the dynamic device cutting into the lens cone, and the cut-into opening is surrounded by the strengthening block. Moreover, the strengthening block and the dynamic device are covered by the cover. The lenses are disposed in the lens cone. Furthermore, an optical projection apparatus is provided.
TW94102111A 2005-01-25 2005-01-25 Projection lens and optical projection apparatus TWI259930B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94102111A TWI259930B (en) 2005-01-25 2005-01-25 Projection lens and optical projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94102111A TWI259930B (en) 2005-01-25 2005-01-25 Projection lens and optical projection apparatus

Publications (2)

Publication Number Publication Date
TW200627051A true TW200627051A (en) 2006-08-01
TWI259930B TWI259930B (en) 2006-08-11

Family

ID=37872579

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94102111A TWI259930B (en) 2005-01-25 2005-01-25 Projection lens and optical projection apparatus

Country Status (1)

Country Link
TW (1) TWI259930B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI386752B (en) * 2009-02-03 2013-02-21 Coretronic Corp Dynamic mask and illumination system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI386752B (en) * 2009-02-03 2013-02-21 Coretronic Corp Dynamic mask and illumination system
US8696165B2 (en) 2009-02-03 2014-04-15 Coretronic Corporation Dynamic mask and illumination system

Also Published As

Publication number Publication date
TWI259930B (en) 2006-08-11

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