ClassID:

174876

G02B27/148 - CPC Classification

Classification description:

Optical systems or apparatus not provided for by any of the groups -; Beam splitting or combining systems operating by reflection only including stacked surfaces having at least one double-pass partially reflecting surface

Recent Application in this class:
#1
20250355256
2025-11-20

HIGHLY EFFICIENT COMPACT HEAD-MOUNTED DISPLAY SYSTEM

#2
20250155719
2025-05-15

COMPACT HEAD-MOUNTED DISPLAY SYSTEM HAVING UNIFORM IMAGE

#3
20250153450
2025-05-15

OPTICAL STACK AND DISPLAY SYSTEM

#4
20250153449
2025-05-15

OPTICAL SYSTEM

#5
20250042111
2025-02-06

OPTICAL SYSTEM

#6
20240393599
2024-11-28

COMPACT HEAD-MOUNTED DISPLAY SYSTEM HAVING UNIFORM IMAGE

#7
20240262059
2024-08-08

SHAPED REFLECTIVE POLARIZER AND OPTICAL SYSTEM INCLUDING SAME

#8
20240077734
2024-03-07

HIGHLY EFFICIENT COMPACT HEAD-MOUNTED DISPLAY SYSTEM

#9
20230415437
2023-12-28

Optical system

#10
20230341689
2023-10-26

Optical systems with multiple light engines for foveation

#11
20230179754
2023-06-08

Electronic device and method for generating stereoscopic light-field data

#12
20230176393
2023-06-08

NEAR-EYE LIGHT-FIELD DISPLAY APPARATUS AND METHOD FOR DISPLAYING LIGHT FIELD

#13
20230088054
2023-03-23

Compact head-mounted display system having uniform image

#14
20220082697
2022-03-17

LASER RADAR

#15
20210286183
2021-09-16

Optical system

#16
20210278677
2021-09-09

Display system

#17
20210018755
2021-01-21

Compact head-mounted display system having uniform image

#18
20200241305
2020-07-30

OPTICAL SYSTEM

#19
20200174265
2020-06-04

Monolithic transmitting spectral beam combiner

#20
20200124856
2020-04-23

OPTICAL SYSTEM

#21
20200089015
2020-03-19

Free-viewpoint collimated display systems for collimated effects

#22
20190265467
2019-08-29

Optical stack and optical system

#23
20190265466
2019-08-29

OPTICAL SYSTEM AND MAGNIFYING DEVICE

#24
20190265465
2019-08-29

Optical system

#25
20190235235
2019-08-01

Optical system and head-mounted display

#26
20190041653
2019-02-07

DEVICE FOR COMPACTING DUAL LASER BEAMS

#27
20190018235
2019-01-17

Optical system

#28
20180356640
2018-12-13

Optical system

#29
20180267319
2018-09-20

Head-mounted display

#30
20180267222
2018-09-20

Method of making optical films and stacks

#31
20180239149
2018-08-23

Optical stack and optical system

#32
20180196181
2018-07-12

Optical system

#33
20180188354
2018-07-05

Distance meter telescope

#34
20180180788
2018-06-28

Convex multilayer reflective polarizer

#35
20180180784
2018-06-28

Optical system

#36
20180088342
2018-03-29

Beam diameter expanding device and display device

#37
20180059296
2018-03-01

Head-mounted display

#38
20180052059
2018-02-22

Light beam measurement device, laser apparatus, and light beam separator

#39
20180039004
2018-02-08

Optical system and magnifying device

#40
20180017795
2018-01-18

Electronic device

#41
20170227777
2017-08-10

Compact near-eye display optics

#42
20170097449
2017-04-06

Head-mounted display

#43
20170068105
2017-03-09

Magnifying device

#44
20170068104
2017-03-09

Camera

#45
20170068101
2017-03-09

Optical system

#46
20170068100
2017-03-09

Optical system

#47
20170068099
2017-03-09

Optical system including curved reflective polarizer

#48
20170068096
2017-03-09

Beam expander with a curved reflective polarizer

#49
20170068029
2017-03-09

Optical stack and optical system

#50
20170064270
2017-03-02

Light module

#51
20160291307
2016-10-06

System and method for continuous, asynchronous autofocus of optical instruments

#52
20160277717
2016-09-22

Three-plate optical system and projector

#53
20160085071
2016-03-24

SEE-THROUGH COMPUTER DISPLAY SYSTEMS

#54
20160076944
2016-03-17

Light beam measurement device, laser apparatus, and light beam separator

#55
20150168817
2015-06-18

Light multiplexer with color combining element

#56
20150146174
2015-05-28

Projector with optical conversion media pumped by low etendue source

#57
20150036214
2015-02-05

SURFACES WITH A GLASS APPEARANCE AT MOBILE CONTROLS FOR MOTOR VEHICLES

#58
20140376098
2014-12-25

Luminescent solar concentrator

#59
20140015867
2014-01-16

Spatial stereoscopic display device and operating method thereof

#60
20130169894
2013-07-04

Tilted plate normal incidence color combiner with a polarizing beam splitter

#61
20110249240
2011-10-13

Coupling lens, illuminating device, and electronic device

#62
20110222024
2011-09-15

ILLUMINATION SYSTEM FOR PROJECTION DISPLAY

#63
20110205501
2011-08-25

Illumination system for laser projection

#64
20110146757
2011-06-23

Luminescent solar concentrator

#65
20110116169
2011-05-19

Dichroic filter laser beam combining

#66
20110083742
2011-04-14

MULTICONVERTER SYSTEM COMPRISING SPECTRAL SEPARATING REFLECTOR ASSEMBLY AND METHODS THEREOF

#67
20110083741
2011-04-14

MULTICONVERTER SYSTEM COMPRISING SPECTRAL SEPARATING REFLECTOR ASSEMBLY AND METHODS THEREOF

#68
20100272320
2010-10-28

Laser Pointing System

#69
20100259728
2010-10-14

Optical combiner and image projector using the optical combiner

#70
20100245775
2010-09-30

MINIATURISED PROJECTION DEVICE USING AN LED ARRAY AND DICHROIC WEDGE

#71
20100238549
2010-09-23

Illumination systems

#72
20100033685
2010-02-11

Lighting device and projection image display unit

#73
20090251783
2009-10-08

Light combiner

#74
20090195714
2009-08-06

COLOR SWITCHING DEVICE

#75
20090097127
2009-04-16

Light guide optical device

#76
20090052046
2009-02-26

Light guide optical device

#77
20090009761
2009-01-08

Spectrophotometer and liquid chromatography system

#78
20090002678
2009-01-01

Laser radar apparatus for three-dimensional detection of objects

#79
20080204866
2008-08-28

Apparatus and method for optically combining at least three light beams

#80
20080204665
2008-08-28

Color combiner for solid-state light sources

#81
20080174994
2008-07-24

Illumination system

#82
20080158685
2008-07-03

Light guide optical device

#83
20080149162
2008-06-26

Spectral Splitting-Based Radiation Concentration Photovoltaic System

#84
20080080059
2008-04-03

MODULAR OPTICAL COMPONENTS AND SYSTEMS INCORPORATING SAME

#85
20070081252
2007-04-12

Single panel reflective-type color optical engine

#86
20070023079
2007-02-01

Beam splitter

#87
20060244922
2006-11-02

Optical projecting system

#88
20060227426
2006-10-12

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

#89
20060098128
2006-05-11

Dot-sequential color display system

#90
20060087619
2006-04-27

High efficiency lighting system, scrolling unit and projection system employing the same

#91
20060066837
2006-03-30

Imaging and analyzing parameters of small moving objects such as cells

#92
20060029267
2006-02-09

Method and apparatus for reading reporter labeled beads

#93
20060023449
2006-02-02

Illuminating unit and projection-type image display apparatus employing the same

#94
20060007538
2006-01-12

Illumination systems

#95
20050219704
2005-10-06

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

#96
20050200847
2005-09-15

Dual-band sensor system utilizing a wavelength-selective beamsplitter

#97
20050180687
2005-08-18

Light guide optical device

#98
20050174775
2005-08-11

Light-collecting illumination system

#99
20050174768
2005-08-11

Illumination system having a plurality of light source modules disposed in an array with a non-radially symmetrical aperture

#100
20050174653
2005-08-11

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

#101
20050018324
2005-01-27

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

#102
17179000
2022-03-22

Multi-layered substrates for waveguide displays

#103
15940157
2019-08-06

Unmanned aerial vehicle beam redirection system and method

#104
14865361
2017-01-31

Head-mounted display