ClassID:

52755

B29D11/00269 - CPC Classification

Classification description:

Producing optical elements, e.g. lenses or prisms; Production of simple or compound lenses Fresnel lenses

Recent Application in this class:
#1
20260072198
2026-03-12

Refractive Solar Concentrator With Concentration Ratio To Achieve Specific Irradiance And Temperature Levels In The Target

#2
20250389923
2025-12-25

LENS AND LIGHT EMITTING DEVICE

#3
20250321396
2025-10-16

LENS AND LIGHT EMITTING DEVICE

#4
20250303655
2025-10-02

SILICONE OPTICS

#5
20250172722
2025-05-29

METHOD AND APPARATUS FOR AN OPHTHALMIC DEVICE TO REDIRECT LIGHT TO SPECIFIC REGIONS OF AN EYE

#6
20240130851
2024-04-25

ACHROMATIC LENSES AND LENSES HAVING DIFFRACTIVE PROFILES WITH IRREGULAR WIDTH FOR VISION TREATMENT

#7
20230364838
2023-11-16

MOLD INSERT FOR A TOOLING DEVICE FOR PRODUCING AN OPTICAL COMPONENT BY INJECTION MOLDING, AND TOOLING DEVICE HAVING SUCH A MOLD INSERT

#8
20230251452
2023-08-10

Lens and light emitting device

#9
20230219311
2023-07-13

SILICONE OPTICS

#10
20230126803
2023-04-27

METHOD FOR CONTROLLING A LASER DEVICE FOR A LASER-INDUCED REFRACTIVE INDEX CHANGE OF A POLYMER STRUCTURE

#11
20230102235
2023-03-30

METHOD OF MANUFACTURING LENS AND LIGHT EMITTING DEVICE

#12
20230076561
2023-03-09

METHOD OF MANUFACTURING LENS AND LIGHT EMITTING DEVICE

#13
20230046945
2023-02-16

FRESNEL LENS MOLD AND MANUFACTURING METHOD THEREFOR, AND MANUFACTURING METHOD FOR FRESNEL LENS

#14
20220342121
2022-10-27

HIGH INDEX LENS INCLUDING UNIAXIAL OR BIAXIAL ORGANIC SOLID MATERIAL

#15
20220206192
2022-06-30

Optical lens device for a head-mounted display, and method and mold for producing the same

#16
20220091305
2022-03-24

Optical lens, mold for optical lens and manufacturing method thereof

#17
20210402721
2021-12-30

SILICONE FRESNEL LENSES ON GLASS SUBSTRATES FOR SOLAR CONCENTRATORS AND METHOD OF MANUFACTURING

#18
20210367554
2021-11-25

FRESNEL LENS FOR CONCENTRATOR PHOTOVOLTAIC APPARATUS, CONCENTRATOR PHOTOVOLTAIC SYSTEM, AND METHOD OF MANUFACTURING FRESNEL LENS FOR CONCENTRATOR PHOTOVOLTAIC APPARATUS

#19
20210331434
2021-10-28

SILICONE OPTICS

#20
20210196453
2021-07-01

LENSES HAVING DIFFRACTIVE PROFILES WITH IRREGULAR WIDTH FOR VISION TREATMENT

#21
20210196452
2021-07-01

Achromatic lenses and lenses having diffractive profiles with irregular width for vision treatment

#22
20210187821
2021-06-24

Method for producing relief-pattern formation, apparatus for producing the same, and seal

#23
20210124187
2021-04-29

BACK SIDE FRESNEL OPHTHALMIC LENS WITH A LIMITED TRANSMITTANCE OF VISIBLE LIGHT

#24
20210072632
2021-03-11

Image projection structure, method for manufacturing same, and image display system

#25
20210026050
2021-01-28

Diffractive optical element

#26
20200316886
2020-10-08

High speed injection molding with heat/cool cycle for making optical articles

#27
20200230901
2020-07-23

METHOD AND APPARATUS TO MANUFACTURE A RIGID POLYMER PANEL HAVING INTEGRALLY FORMED OPTICAL QUALITY SURFACES

#28
20200174164
2020-06-04

FRESNEL LENS AND PRODUCTION METHOD FOR SAME

#29
20200158920
2020-05-21

METHOD FOR PRODUCING LENS

#30
20200158911
2020-05-21

Hierarchical photonic crystals and methods of making the same

#31
20200096694
2020-03-26

Wide angle imaging directional backlights

#32
20200073075
2020-03-05

Lens, light emitting device and method of manufacturing the lens and the light emitting device

#33
20200073074
2020-03-05

Lens, light emitting device and method of manufacturing the lens and the light emitting device

#34
20200025987
2020-01-23

Methods of diffractive lens and mirror fabrication

#35
20190369320
2019-12-05

Wide angle imaging directional backlights

#36
20190302323
2019-10-03

Fresnel lens with a light receiving effect

#37
20190250311
2019-08-15

Freeform Fresnel surface, method for producing a freeform Fresnel surface and method for creating a construction dataset

#38
20190184655
2019-06-20

Production of optical components

#39
20190168471
2019-06-06

Silicone optics

#40
20190154890
2019-05-23

Method of manufacturing a member, optical member and optical element

#41
20190041556
2019-02-07

Diffraction optical element, manufacturing method thereof, and optical apparatus

#42
20190030784
2019-01-31

Method of molding a thermoplastic resin article and apparatus for molding same

#43
20190016073
2019-01-17

Silicone optics

#44
20180290372
2018-10-11

A PROCESS OF INCORPORATING EMBOSSED VISUAL EFFECT/SECURITY FEATURE ON A FLEXIBLE SUBSTRATE AND SUBSTRATE/PACKAGE MADE THEREFROM

#45
20180284329
2018-10-04

Internal check mirror for overhead bin and manufacturing method for same

#46
20180272795
2018-09-27

ELECTRONIC DEVICE AND COVER THEREOF

#47
20180257323
2018-09-13

Fresnel lens on flexible substrate for packaging and other applications and process therefor

#48
20180239069
2018-08-23

Diffractive optical element

#49
20180239064
2018-08-23

LENS COMPONENT OF A RAIN SENSOR, MODULAR SYSTEM, METHOD, AND TOOL FOR PRODUCING THE SAME

#50
20180231778
2018-08-16

Lens assembly including a silicone fresnel lens

#51
20180231777
2018-08-16

Hybrid lens with a silicone fresnel surface

#52
20180215861
2018-08-02

Curable composition and cured product from same

#53
20180094098
2018-04-05

Curable composition for lens, lens and optical device

#54
20180039170
2018-02-08

NANONIMPRINT LIQUID MATERIAL, METHOD FOR MANUFACTURING NANOIMPRINT LIQUID MATERIAL, METHOD FOR MANUFACTURING CURED PRODUCT PATTERN, METHOD FOR MANUFACTURING OPTICAL COMPONENT, AND METHOD FOR MANUFACTURING CIRCUIT BOARD

#55
20170314761
2017-11-02

Lamp assembly and molding method

#56
20170305083
2017-10-26

SYSTEMS AND METHODS FOR FORMING OPTICAL LENSES WITH AN UNDERCUT

#57
20170297283
2017-10-19

METHODS AND SYSTEMS FOR MOLD RELEASES

#58
20170232695
2017-08-17

Specially-shaped epoxy resin molded article, and optical device provided with same

#59
20170232694
2017-08-17

LIGHTING OPTICS FOR LUMINAIRES

#60
20170227190
2017-08-10

Fresnel lens and optical device provided with same

#61
20170115496
2017-04-27

DISPLAY BODY INCLUDING PARTIALLY-PROVIDED OPTICAL ELEMENT ARRAY,METHOD FOR FORMING PARTIALLY-PROVIDED OPTICAL ELEMENT ARRAY, AND DISPLAY BODY MANUFACTURING SYSTEM

#62
20170075110
2017-03-16

Securing a fresnel lens to a refractive optical element

#63
20170023766
2017-01-26

Optical element and method for manufacturing the same

#64
20160363288
2016-12-15

Low-profile optical warning system

#65
20160334620
2016-11-17

Method for obtaining at least one structure approximating a sought structure by reflow

#66
20160306099
2016-10-20

Wide angle imaging directional backlights

#67
20160299281
2016-10-13

Wide angle imaging directional backlights

#68
20160297156
2016-10-13

MOLDED-ARTICLE MANUFACTURING METHOD, MOLD, AND OPTICAL ELEMENT INCLUDING FRESNEL LENS

#69
20160159020
2016-06-09

Linear Fresnel lens sheet, transmissive display device and roll-shaped mold for producing linear Fresnel lens sheet

#70
20160077251
2016-03-17

Multilayer diffractive optical element

#71
20160077250
2016-03-17

Method of manufacturing a member, optical member and optical element

#72
20160001479
2016-01-07

Injection molding apparatus for structured optical parts

#73
20150283768
2015-10-08

Silicone optics

#74
20150124315
2015-05-07

Linear fresnel lens sheet, transmissive display device and roll-shaped mold for producing linear fresnel lens sheet

#75
20150021798
2015-01-22

Method of molding a thermoplastic resin article and apparatus for molding same

#76
20140036368
2014-02-06

Optical element

#77
20130291929
2013-11-07

LONG-LIFE OPTICAL CONCENTRATOR BASED ON A SPECIFIC FRESNEL LENS PRODUCED FROM POLYMERIC MATERIALS FOR SOLAR POWER GENERATION

#78
20130278892
2013-10-24

Method of making ophthalmic lenses with a structured surface

#79
20130265655
2013-10-10

Molded-article manufacturing method, mold, and optical element including fresnel lens

#80
20130209677
2013-08-15

Process for manufacturing a segmented optical structure

#81
20130120707
2013-05-16

Ophthalmic lens containing a fresnel surface and method for manufacturing same

#82
20130088781
2013-04-11

Diffraction optical element and production method therefor

#83
20130083407
2013-04-04

OPTICAL STRUCTURES FORMED WITH THERMAL RAMPS

#84
20130050851
2013-02-28

Reducing micro-defects in Fresnel lenses

#85
20130038937
2013-02-14

Tunable optical diffraction grating apparatus and related methods

#86
20120212819
2012-08-23

DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME

#87
20120204566
2012-08-16

FRESNEL LENS

#88
20120177768
2012-07-12

Facet deformation minimizing fresnel lens die roller and manufacturing method

#89
20120125398
2012-05-24

Condensing lens for high concentration photovoltaic module and manufacturing method thereof

#90
20120091603
2012-04-19

Molding of nonuniform object having undercut structure

#91
20120075702
2012-03-29

Phase grating with three-dimensional configuration

#92
20120067418
2012-03-22

Surface structure and fresnel lens and tool for production of a surface structure

#93
20120060920
2012-03-15

Fresnel lens array with novel lens element profile

#94
20120045619
2012-02-23

SUBSTRATE PROVIDED WITH OPTICAL STRUCTURE AND OPTICAL ELEMENT USING THE SAME

#95
20120038918
2012-02-16

Compact spectrometer including a diffractive optical element with dual dispersion and focusing functionality

#96
20120033430
2012-02-09

OPTICAL LENS AND LIGHTING APPARATUS

#97
20110309537
2011-12-22

Multi-cavity injection molding method for fabricating solar lenses

#98
20110298993
2011-12-08

Rear-surface projection-type video display apparatus

#99
20110233798
2011-09-29

Fabrication of optically smooth light guide

#100
20110180143
2011-07-28

Photovoltaic device and method for producing a concentrator lens system

#101
20110165343
2011-07-07

FRESNEL LENS COATING PROCESS

#102
20110156291
2011-06-30

Method for manufacturing fresnel lens

#103
20110074056
2011-03-31

Method for manufacturing spherical Fresnel lens

#104
20110011390
2011-01-20

CONTINUOUS LAMINATION OF POLYMETHYLEMETHACRYLATE (PMMA) FILM IN THE MANUFACTURE OF A FRESNEL LENS

#105
20100301499
2010-12-02

MOLD AND METHOD FOR MANUFACTURING FRESNEL LENS

#106
20100226022
2010-09-09

FRESNEL LENS, THE APPARATUS AND THE METHOD OF MANUFACTURING THEREOF

#107
20100165489
2010-07-01

Fresnel lens and injection mold

#108
20100148384
2010-06-17

Fabrication of optically smooth light guide

#109
20100096359
2010-04-22

Method for forming phase grating

#110
20090323502
2009-12-31

Composite optical element

#111
20090296239
2009-12-03

Composite lens and method for manufacturing the same

#112
20090291206
2009-11-26

Process for applying a coating onto a fresnel lens forming surface

#113
20090202202
2009-08-13

FIBER LENS WITH FRESNEL ZONE PLATE LENS AND METHOD FOR PRODUCING THE SAME

#114
20090173434
2009-07-09

Method and device for replicating structure

#115
20080315442
2008-12-25

Method and Apparatus for Replicating Microstructured Optical Masks

#116
20080150189
2008-06-26

Presnel lens angular segment manufacturing apparatus and method

#117
20080150179
2008-06-26

Fresnel lens angular segment manufacturing apparatus and method

#118
20080150175
2008-06-26

Fresnel lens angular segment manufacturing apparatus and method

#119
20070236791
2007-10-11

Rear projection display apparatus and transmission type screen

#120
20070177262
2007-08-02

RESIN SHEET FOR TRANSMISSIVE SCREEN

#121
20070091466
2007-04-26

Fresnel lens, backprojection screen, and corresponding backprojection system and unit

#122
20060278605
2006-12-14

Method of fabricating a lens

#123
20060208374
2006-09-21

Method of manufacturing lens sheet

#124
20060109554
2006-05-25

Diffractive optical lens, a mold for making the lens, and a method for making the mold

#125
20050200950
2005-09-15

Projection screen and lens thereof

#126
20050007682
2005-01-13

Method and apparatus for manufacturing large double-sided curved Fresnel lens

#127
15938166
2020-05-26

Selective coating for fresnel surface

#128
15816030
2019-11-12

Fresnel lens with textured draft surfaces

#129
15794706
2020-07-14

Fresnel lens with flat apexes