ClassID:

178847

G03H2250/38 - CPC Classification

Classification description:

Laminate comprising a hologram layer Liquid crystal

Recent Application in this class:
#1
20260153835
2026-06-04

METHOD FOR PREPARING POLARIZATION VOLUME HOLOGRAPHIC GRATING CAPABLE OF ACHIEVING DIFFERENT DIFFRACTION EFFICIENCIES, AND POLARIZATION VOLUME HOLOGRAPHIC GRATING

#2
20260118821
2026-04-30

METHOD AND SYSTEM FOR PATTERNING A LIQUID CRYSTAL LAYER

#3
20250390062
2025-12-25

Driver for a Display Device

#4
20250053136
2025-02-13

Hologram Coupling into a Waveguide

#5
20240353532
2024-10-24

SYSTEMS AND METHODS FOR OPTICAL TRACKING

#6
20240319671
2024-09-26

Driver for a Display Device

#7
20240302793
2024-09-12

METHOD OF DUPLICATING A HOLOGRAM AND HOLOGRAM OPTICAL ELEMENT

#8
20240264473
2024-08-08

LIQUID CRYSTAL POLARIZATION HOLOGRAM AND FABRICATION METHOD THEREOF

#9
20240036516
2024-02-01

METHOD AND SYSTEM FOR PATTERNING A LIQUID CRYSTAL LAYER

#10
20230341812
2023-10-26

MULTI-LAYERED POLARIZATION VOLUME HOLOGRAM

#11
20210223524
2021-07-22

Holographic display apparatus

#12
20210191321
2021-06-24

Holographic image alignment

#13
20210157265
2021-05-27

Method and system for patterning a liquid crystal layer

#14
20210096512
2021-04-01

Hologram display using a liquid crystal display device

#15
20210072447
2021-03-11

Polarization diffraction element and vector beam mode detection system using the same

#16
20200333633
2020-10-22

Active optical filter for spectacle lenses

#17
20200088991
2020-03-19

Backlight module, holographic display device and holographic display method thereof

#18
20200057410
2020-02-20

Multi-layer body and method for the production thereof

#19
20180304586
2018-10-25

Liquid crystal laminate and method for manufacturing a liquid crystal laminate

#20
20180239170
2018-08-23

Active optical filter for spectacle lenses

#21
20170322515
2017-11-09

Multi-layer body and method for the production thereof

#22
20170176799
2017-06-22

DYNAMIC TIME MULTIPLEXING FABRICATION OF HOLOGRAPHIC POLYMER DISPERSED LIQUID CRYSTALS FOR INCREASED WAVELENGTH SENSITIVITY

#23
20170115487
2017-04-27

Holographic display

#24
20150062504
2015-03-05

Identification medium

#25
20130099000
2013-04-25

Identification medium, method for reading data therefrom, apparatus for identification, and method and apparatus for production thereof

#26
20120262767
2012-10-18

Identification medium and method for identification thereof

#27
20120236292
2012-09-20

Identification medium and identification method therefor

#28
20120013960
2012-01-19

Holographic or diffraction device

#29
20110129764
2011-06-02

Sensitive liquid crystalline polymeric material suitable for reflective hologram recording and the preparing method thereof

#30
20110102711
2011-05-05

Optimizing performance parameters for switchable polymer dispersed liquid crystal optical elements

#31
20110095518
2011-04-28

Security element and method for manufacturing the same

#32
20110027494
2011-02-03

Non-etched flat polarization-selective diffractive optical elements

#33
20100302486
2010-12-02

Discrimination medium and production method therefor

#34
20100231997
2010-09-16

Dynamic time multiplexing fabrication of holographic polymer dispersed liquid crystals for increased wavelength sensitivity

#35
20100119738
2010-05-13

FOIL FOR PREVENTING FORGERY

#36
20100026450
2010-02-04

Identification medium, identification method, and identification apparatus

#37
20090310195
2009-12-17

Medium for preventing forgery

#38
20090284813
2009-11-19

Authenticating medium and authenticatable substrate

#39
20090219592
2009-09-03

Fabrication process for cholesteric liquid crystal media having a volume hologram

#40
20090162625
2009-06-25

Identification medium

#41
20090128772
2009-05-21

Discrimination medium comprising a liquid crystal layer acting as a half-wave plate wherein a gradation of gradual or continuous color changes are displayed according to an area

#42
20090104539
2009-04-23

Fabrication process for cholesteric liquid crystal media having a volume hologram

#43
20090059763
2009-03-05

FILTER FOR OPTICAL RECORDING MEDIUM, OPTICAL RECORDING MEDIUM, METHOD FOR PRODUCING THE SAME, OPTICAL RECORDING METHOD AND OPTICAL REPRODUCING METHOD

#44
20090009668
2009-01-08

Non-Etched Flat Polarization-Selective Diffractive Optical Elements

#45
20080282322
2008-11-13

Authentication medium, authenticable substrate, authentication medium label, authentication medium transfer sheet, authenticable sheet, and authenticable information recording medium

#46
20080219129
2008-09-11

Filter For Optical Recording Medium, Optical Recording Medium, Method For Producing the Same, Optical Recording Method and Optical Reproducing Method

#47
20080198278
2008-08-21

Multilayer body with electrically controllable optically active systems of layers

#48
20080138543
2008-06-12

Identification Medium, Article Equipped With Identification Medium, Identifying Method And Device

#49
20080122995
2008-05-29

Filter For Optical Recording Medium, Optical Recording Medium, Method For Producing The Optical Recording Medium, Optical Recording Method And Optical Reproducing Method

#50
20080090029
2008-04-17

Discrimination medium and discrimination method therefor

#51
20080013138
2008-01-17

Hologram recording material, hologram recording medium and hologram recording method

#52
20070285746
2007-12-13

Holographic or diffraction device

#53
20070171491
2007-07-26

Holographic or diffraction devices

#54
20070159671
2007-07-12

Discrimination medium and discrimination method using the same

#55
20070148466
2007-06-28

Multilayer film optical member and method for manufacturing multilayer film optical member

#56
20070097471
2007-05-03

Fabrication process for cholesteric liquid crystal media having a volume hologram

#57
20070097299
2007-05-03

Fabrication process for cholesteric liquid crystal media having a volume hologram

#58
20070053028
2007-03-08

Diffractive, polarization modulating optical devices

#59
20070036680
2007-02-15

Microstructured optical device for remote chemical sensing

#60
20060251863
2006-11-09

Film and optical anti-counterfeiting element

#61
20060187510
2006-08-24

Optical recording medium and its use

#62
20060147810
2006-07-06

Holographic optical elements, devices and methods

#63
20060119916
2006-06-08

Switchable polymer-dispersed liquid crystal optical elements

#64
20060073393
2006-04-06

Switchable holographic gratings

#65
20060057467
2006-03-16

Hologram recording material and hologram recording method

#66
20060002656
2006-01-05

Surface relief structure

#67
20050142337
2005-06-30

Identifying medium and identifying method for object

#68
16664028
2022-03-22

Low-obliquity pupil relay for tiltable reflectors