ClassID:

175631

G02F2413/15 - CPC Classification

Classification description:

Indexing scheme related to , i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers

Recent Application in this class:
#1
20260092215
2026-04-02

COMPOSITION, OPTICALLY ANISOTROPIC FILM, AND COMPOUND

#2
20240036429
2024-02-01

ELECTRICALLY CONTROLLED OPTICAL SCREEN

#3
20220397712
2022-12-15

Phase difference film, circularly polarizing plate, and display device

#4
20220043300
2022-02-10

Display device

#5
20200089061
2020-03-19

Pixel structure, liquid crystal display panel, operating method of the same, and display device

#6
20160187554
2016-06-30

Optical film having a liquid crystal layer including twisted nematic liquid crystal compounds

#7
20150168780
2015-06-18

Twisted alignment mode liquid crystal display device

#8
20100304148
2010-12-02

Polymerizable liquid crystal compound, polymerizable liquid crystal composition, and polymer thereof

#9
20090117293
2009-05-07

O-plate having excellent durability and itegrated polarizing plate comprising the same

#10
20070242190
2007-10-18

Negative retardation film

#11
20070146597
2007-06-28

Retardation optical element and method of producing the same, and polarization element and liquid crystal display, each including retardation optical element

#12
20060170851
2006-08-03

Method for producing film with twisted tilted alignment, film with twisted tilted alignment, and image display using same

#13
20060066805
2006-03-30

Liquid crystal on silicon (LCOS) microdisplay with retarder that reduces light beam polarization changes

#14
20060055854
2006-03-16

Optical compensator for a liquid crystal display

#15
20050285998
2005-12-29

Optical compensation film, ellipsoidal polarizing plate, and liquid crystal display

#16
20050266175
2005-12-01

Retardation coating

#17
20050259200
2005-11-24

Negative retardation film

#18
20050140880
2005-06-30

Compensation film, manufacturing method thereof and liquid crystal display using the same

#19
20050122586
2005-06-09

Optical compensation plate and deflecting plate using the same

#20
20050074564
2005-04-07

Optical film, method for manufacturing the same, and phase difference film and polarizing plate using the same