ClassID:

174924

G02B27/4288 - CPC Classification

Classification description:

Optical systems or apparatus not provided for by any of the groups -; Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having uniform diffraction efficiency over a large spectral bandwidth

Recent Application in this class:
#1
20210141239
2021-05-13

DIFFRACTIVE LIGHT PROJECTION DEVICE

#2
20200300442
2020-09-24

Optical apparatus and illuminating module thereof

#3
20190204615
2019-07-04

Mobile terminal

#4
20170235153
2017-08-17

Wide spectral band subwavelength diffractive component

#5
20170146706
2017-05-25

Optical element having two phase masks

#6
20170115435
2017-04-27

Broadband imaging with diffractive waveplate coated mirrors and diffractive waveplate objective lens

#7
20170082786
2017-03-23

Polarization independent wideband reflectors and methods for their manufacture

#8
20150362643
2015-12-17

Diffractive lens and optical device using the same

#9
20150253570
2015-09-10

Optical device with diffractive grating

#10
20120050868
2012-03-01

Diffractive optical element having high diffraction efficiency at plural wavelengths and image-pickup optical system using the same

#11
20120008209
2012-01-12

Diffractive optical element and optical system including the same

#12
20110157702
2011-06-30

Diffractive optical element and optical device

#13
20110157701
2011-06-30

Diffractive optical element and optical device

#14
20100322060
2010-12-23

Objective lens, optical pickup and optical disc apparatus

#15
20100321782
2010-12-23

Optical element and optical system including the same

#16
20100134889
2010-06-03

DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM AND OPTICAL APPARATUS

#17
20100097703
2010-04-22

Multiple-wavelength binary diffractive lenses

#18
20090310377
2009-12-17

Vehicular lamp

#19
20090153969
2009-06-18

Image display apparatus

#20
20090052040
2009-02-26

Diffractive optical element

#21
20090021832
2009-01-22

Wideband diffraction limited optical receiver

#22
20080204880
2008-08-28

Diffractive Optical Structure with a Liquid Interface

#23
20080170295
2008-07-17

Optical material and optical element, diffraction optical element, and stacked type diffraction optical element molded thereof

#24
20080055727
2008-03-06

Diffractive optical element and optical system having the same

#25
20060077569
2006-04-13

Lens system and optical device having the same

#26
20050270958
2005-12-08

Objective lens and optical pickup apparatus

#27
20050162756
2005-07-28

Lens system and optical device having the same