EP4298472A4 - Diffuser combining a multi-faceted surface and a lens-covered surface to provide specific light distributions - Google Patents

Diffuser combining a multi-faceted surface and a lens-covered surface to provide specific light distributions

Info

Publication number
EP4298472A4
EP4298472A4 EP22760243.0A EP22760243A EP4298472A4 EP 4298472 A4 EP4298472 A4 EP 4298472A4 EP 22760243 A EP22760243 A EP 22760243A EP 4298472 A4 EP4298472 A4 EP 4298472A4
Authority
EP
European Patent Office
Prior art keywords
lens
specific light
provide specific
light distributions
faceted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22760243.0A
Other languages
German (de)
French (fr)
Other versions
EP4298472A1 (en
Inventor
Mark A. Raymond
Hector Andres PORRAS SOTO
Howard LANGE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lumenco LLC
Original Assignee
Lumenco LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US17/185,680 external-priority patent/US11808956B2/en
Application filed by Lumenco LLC filed Critical Lumenco LLC
Publication of EP4298472A1 publication Critical patent/EP4298472A1/en
Publication of EP4298472A4 publication Critical patent/EP4298472A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F21V5/004—Refractors for light sources using microoptical elements for redirecting or diffusing light using microlenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—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
    • G02B5/0221—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 the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—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
    • G02B5/0231—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 the surface having microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G02B27/0961—Lens arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0972—Prisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
EP22760243.0A 2021-02-25 2022-02-18 Diffuser combining a multi-faceted surface and a lens-covered surface to provide specific light distributions Pending EP4298472A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17/185,680 US11808956B2 (en) 2019-07-31 2021-02-25 Diffuser combining a multi-faceted surface and a lens-covered surface to provide specific light distributions
PCT/US2022/017065 WO2022182597A1 (en) 2021-02-25 2022-02-18 Diffuser combining a multi-faceted surface and a lens-covered surface to provide specific light distributions

Publications (2)

Publication Number Publication Date
EP4298472A1 EP4298472A1 (en) 2024-01-03
EP4298472A4 true EP4298472A4 (en) 2025-02-26

Family

ID=83049438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22760243.0A Pending EP4298472A4 (en) 2021-02-25 2022-02-18 Diffuser combining a multi-faceted surface and a lens-covered surface to provide specific light distributions

Country Status (4)

Country Link
EP (1) EP4298472A4 (en)
JP (1) JP2024516923A (en)
CN (1) CN117120880A (en)
WO (1) WO2022182597A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110211050A1 (en) * 2008-10-31 2011-09-01 Amir Said Autostereoscopic display of an image
US20170242263A1 (en) * 2015-12-03 2017-08-24 Lumenco, Llc Arrays of individually oriented micro mirrors providing infinite axis activation imaging for imaging security devices
WO2020263958A1 (en) * 2019-06-28 2020-12-30 Pcms Holdings, Inc. Optical method and system for light field (lf) displays based on tunable liquid crystal (lc) diffusers
US20210033758A1 (en) * 2019-07-31 2021-02-04 Lumenco, Llc Multi-faceted diffuser providing specific light distributions from a light source

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0317714D0 (en) * 2003-07-29 2003-09-03 Koninkl Philips Electronics Nv Autostereoscopic display apparatus
JP4784496B2 (en) * 2006-11-29 2011-10-05 住友化学株式会社 Light-condensing sheet bonded light diffusion plate
JP2009080357A (en) * 2007-09-27 2009-04-16 Toppan Printing Co Ltd Light control sheet, backlight unit using the same, and display device
JP5428313B2 (en) * 2008-12-08 2014-02-26 凸版印刷株式会社 Light uniform element and backlight unit and display device using the same
JP5391798B2 (en) * 2009-04-14 2014-01-15 凸版印刷株式会社 Backlight unit and display device
CN103728820B (en) * 2012-10-11 2016-09-07 扬明光学股份有限公司 Image display device and method
EP3097442A1 (en) * 2014-01-23 2016-11-30 Philips Lighting Holding B.V. Light diffuser, led lamp arrangement using the same, and manufacturing method
KR101945661B1 (en) * 2015-03-12 2019-02-07 주식회사 쿠라레 Diffusion plate
US10908418B1 (en) * 2019-07-29 2021-02-02 E-Lead Electronic Co., Ltd. Naked eye 3D head-up display device with reflective diffuser sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110211050A1 (en) * 2008-10-31 2011-09-01 Amir Said Autostereoscopic display of an image
US20170242263A1 (en) * 2015-12-03 2017-08-24 Lumenco, Llc Arrays of individually oriented micro mirrors providing infinite axis activation imaging for imaging security devices
WO2020263958A1 (en) * 2019-06-28 2020-12-30 Pcms Holdings, Inc. Optical method and system for light field (lf) displays based on tunable liquid crystal (lc) diffusers
US20210033758A1 (en) * 2019-07-31 2021-02-04 Lumenco, Llc Multi-faceted diffuser providing specific light distributions from a light source

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022182597A1 *

Also Published As

Publication number Publication date
WO2022182597A1 (en) 2022-09-01
EP4298472A1 (en) 2024-01-03
JP2024516923A (en) 2024-04-18
CN117120880A (en) 2023-11-24

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