ClassID:

173622

G02B5/021 - page 2 - CPC Classification

Classification description:

Optical elements other than lenses; Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures

Recent Application in this class:
#301
20080030649
2008-02-07

HYBRID DIFFUSION PLATE, BACKLIGHT ASSEMBLY HAVING HYBRID DIFFUSION PLATE, AND LIQUID CRYSTAL DISPLAY HAVING BACKLIGHT ASSEMBLY

#302
20080013180
2008-01-17

Directional diffuser

#303
20080007969
2008-01-10

Thin-plate storage container

#304
20070242475
2007-10-18

Diffusing board and surface light source device

#305
20070177079
2007-08-02

Method for producing apertures in a diffuse reflector layer having a metal reflection film

#306
20070171654
2007-07-26

Light control film and backlight unit using the same

#307
20070171529
2007-07-26

Method for manufacturing optical element

#308
20070115569
2007-05-24

Brightness enhancement film having curved prism units and microstructure layer

#309
20070103911
2007-05-10

Lighting device

#310
20070091617
2007-04-26

Light enhancing structures with a plurality of arrays of elongate features

#311
20070091616
2007-04-26

Light enhancing structures with multiple arrays of elongate features of varying characteristics

#312
20070065670
2007-03-22

Coating with infrared and ultraviolet blocking characteristics

#313
20070064446
2007-03-22

Optical diffuser with IR and/or UV blocking coating

#314
20070019271
2007-01-25

Apparatus and method for producing light-responsive surfaces on opaque materials

#315
20060290843
2006-12-28

Illumination element and system using same

#316
20060274437
2006-12-07

Articles including films with mating structured surfaces

#317
20060262667
2006-11-23

Optical film

#318
20060244851
2006-11-02

Increasing fill-factor on pixelated sensors

#319
20060239008
2006-10-26

Optical sheet and backlight assembly of liquid crystal display with the same

#320
20060238875
2006-10-26

Optical unit, backlight assembly having the same and display device having the same

#321
20060176562
2006-08-10

Light-diffusing sheet

#322
20060147721
2006-07-06

Precoated metal sheet for light reflectors

#323
20060147673
2006-07-06

Precoated metal sheet for light reflectors

#324
20060127604
2006-06-15

Optical film

#325
20060055843
2006-03-16

LCD Backlight unit and LCD having the same

#326
20060044830
2006-03-02

Backlight unit and liquid crystal display unit using backlight unit

#327
20060006319
2006-01-12

Light sensor configurations for automatic vehicle equipment control having an integrally formed encapsulant

#328
20050243561
2005-11-03

Light control film

#329
20050237749
2005-10-27

Transflector

#330
20050213245
2005-09-29

Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet

#331
20050212989
2005-09-29

Lens array sheet

#332
20050180170
2005-08-18

Backlight unit and method of manufacturing diffuser employed in the backlight unit

#333
20050174646
2005-08-11

Directional diffuser

#334
20050136200
2005-06-23

Diffuse high reflectance film

#335
20050130063
2005-06-16

Composition for light-scattering film and light-scattering film using the same

#336
20050083571
2005-04-21

Screen member for a transmission screen, a transmission screen and a rear projection

#337
20050083560
2005-04-21

Device and methods for making a pixilated directional diffuser having novel applications

#338
20050079331
2005-04-14

Manufacturing method of optical device provided with resin thin film having micro-asperity pattern

#339
20050069678
2005-03-31

Joined multi functional optical device

#340
20050063054
2005-03-24

Projection screen and projection system comprising the same

#341
20050041295
2005-02-24

Microlens array, a method for making a transfer master pattern for microlens array, a concave and convex pattern obtained from the transfer master pattern, a laminate for transfer, a diffuse reflection plate and a liquid crystal display device

#342
20050024754
2005-02-03

Optical film having microeplicated structures; and methods

#343
18964348
2026-06-02

Light management system with light converting quantum dot layer and distributed light input ports

#344
14303163
2015-11-03

High contrast rear projection screen

#345
14030485
2017-07-18

Wavelength selective optical diffuser

#346
13795195
2017-01-10

Integrating volume for laser light homogenization

#347
13630446
2016-09-06

Antiglare treatment for glass