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GB201717312D0 - Diffuser for head-up display - Google Patents

Diffuser for head-up display

Info

Publication number
GB201717312D0
GB201717312D0 GBGB1717312.1A GB201717312A GB201717312D0 GB 201717312 D0 GB201717312 D0 GB 201717312D0 GB 201717312 A GB201717312 A GB 201717312A GB 201717312 D0 GB201717312 D0 GB 201717312D0
Authority
GB
United Kingdom
Prior art keywords
diffuser
head
display
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.)
Granted
Application number
GBGB1717312.1A
Other versions
GB2554575B (en
GB2554575A (en
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.)
Two Trees Photonics Ltd
Original Assignee
Two Trees Photonics Ltd
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
Application filed by Two Trees Photonics Ltd filed Critical Two Trees Photonics Ltd
Priority to GB1717312.1A priority Critical patent/GB2554575B/en
Priority claimed from GB1408809.0A external-priority patent/GB2526159B/en
Publication of GB201717312D0 publication Critical patent/GB201717312D0/en
Publication of GB2554575A publication Critical patent/GB2554575A/en
Application granted granted Critical
Publication of GB2554575B publication Critical patent/GB2554575B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0294—Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2294—Addressing the hologram to an active spatial light modulator
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G02B2027/0105—Holograms with particular structures
    • G02B2027/0107—Holograms with particular structures with optical power
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/013—Head-up displays characterised by optical features comprising a combiner of particular shape, e.g. curvature
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G03H2001/2213—Diffusing screen revealing the real holobject, e.g. container filed with gel to reveal the 3D holobject
    • G03H2001/2215—Plane screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
GB1717312.1A 2014-05-16 2014-05-16 Diffuser for head-up display Active GB2554575B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1717312.1A GB2554575B (en) 2014-05-16 2014-05-16 Diffuser for head-up display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1717312.1A GB2554575B (en) 2014-05-16 2014-05-16 Diffuser for head-up display
GB1408809.0A GB2526159B (en) 2014-05-16 2014-05-16 Diffuser for head-up display

Publications (3)

Publication Number Publication Date
GB201717312D0 true GB201717312D0 (en) 2017-12-06
GB2554575A GB2554575A (en) 2018-04-04
GB2554575B GB2554575B (en) 2018-09-26

Family

ID=60481618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1717312.1A Active GB2554575B (en) 2014-05-16 2014-05-16 Diffuser for head-up display

Country Status (1)

Country Link
GB (1) GB2554575B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11281003B2 (en) 2015-12-30 2022-03-22 Dualitas Ltd Near eye dynamic holography
US10976703B2 (en) 2015-12-30 2021-04-13 Dualitas Ltd Dynamic holography focused depth printing device
EP3295257B1 (en) 2015-12-30 2019-05-15 Dualitas Ltd. Dynamic holography non-scanning printing method
EP3557307B1 (en) 2016-12-15 2025-03-26 Dualitas Ltd. Image display device
US10347030B2 (en) 2017-05-15 2019-07-09 Envisics Ltd Adjusting depth of augmented reality content on a heads up display
GB2567408B (en) 2017-08-02 2020-12-02 Dualitas Ltd Holographic projector
EP3686651B1 (en) 2017-08-02 2021-10-20 Envisics Ltd. Display device
GB2568021B (en) 2017-09-08 2021-12-01 Dualitas Ltd Holographic projector
GB2569208B (en) 2018-07-19 2019-12-04 Envisics Ltd A head-up display
GB2576031B (en) 2018-08-02 2021-03-03 Envisics Ltd Illumination system and method
GB2580012A (en) 2018-09-28 2020-07-15 Envisics Ltd Head-up display
GB2578785C (en) 2018-11-09 2023-08-09 Dualitas Ltd Pixel mapping onto a display device for holographic projection
GB2580298B (en) 2018-11-12 2021-08-11 Dualitas Ltd A spatial light modulator for holographic projection
GB2579234B (en) 2018-11-27 2023-07-19 Dualitas Ltd Hologram calculation
WO2020136306A1 (en) * 2018-12-27 2020-07-02 Nokia Technologies Oy Apparatus, method, and system for use in a display
GB2580696B (en) 2019-01-25 2022-04-27 Dualitas Ltd A method for a holographic projector
CN113424096B (en) 2019-02-12 2024-11-08 赛伊视觉公司 Holographic head-up display
GB2580441B (en) 2019-03-14 2022-03-16 Dualitas Ltd Laser modulation
GB2582370B (en) 2019-03-22 2022-11-02 Dualitas Ltd Holographic projector
GB2582965B (en) 2019-04-11 2021-09-15 Dualitas Ltd A diffuser assembly
GB2586512B (en) 2019-08-23 2021-12-08 Dualitas Ltd Holographic projection
GB2586511B (en) 2019-08-23 2021-12-01 Dualitas Ltd Holographic projector
GB2578523B (en) 2019-09-25 2021-08-11 Dualitas Ltd Holographic projection
GB2587400B (en) 2019-09-27 2022-02-16 Dualitas Ltd Hologram display using a liquid crystal display device
WO2021096447A1 (en) 2019-11-15 2021-05-20 Cy Vision A.S. Augmented reality head-up display with steerable eyebox
EP4113192B1 (en) * 2020-03-31 2025-06-25 Shenzhen Yinwang Intelligent Technologies Co., Ltd. Head-up display with apparatus for detecting shift of diffusion film

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7031067B2 (en) * 2004-03-10 2006-04-18 Motorola, Inc. Head-up display
US20140092481A1 (en) * 2012-09-28 2014-04-03 Delphi Technologies, Inc. Head-up display system with dynamic image field and brightness control

Also Published As

Publication number Publication date
GB2554575B (en) 2018-09-26
GB2554575A (en) 2018-04-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20210107 AND 20210113