FR2690534A1 - Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. - Google Patents

Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. Download PDF

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Publication number
FR2690534A1
FR2690534A1 FR9205055A FR9205055A FR2690534A1 FR 2690534 A1 FR2690534 A1 FR 2690534A1 FR 9205055 A FR9205055 A FR 9205055A FR 9205055 A FR9205055 A FR 9205055A FR 2690534 A1 FR2690534 A1 FR 2690534A1
Authority
FR
France
Prior art keywords
reflective
semi
polarizer
mirror
linear
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
FR9205055A
Other languages
English (en)
French (fr)
Other versions
FR2690534B1 (enrdf_load_stackoverflow
Inventor
Lacroix Michel
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9205055A priority Critical patent/FR2690534A1/fr
Publication of FR2690534A1 publication Critical patent/FR2690534A1/fr
Application granted granted Critical
Publication of FR2690534B1 publication Critical patent/FR2690534B1/fr
Granted legal-status Critical Current

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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
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • 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
    • G02B27/017—Head mounted
    • 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
    • G02B27/30—Collimators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
FR9205055A 1992-04-24 1992-04-24 Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. Granted FR2690534A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9205055A FR2690534A1 (fr) 1992-04-24 1992-04-24 Dispositif de collimation de faible encombrement, en particulier pour visuel de casque.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9205055A FR2690534A1 (fr) 1992-04-24 1992-04-24 Dispositif de collimation de faible encombrement, en particulier pour visuel de casque.

Publications (2)

Publication Number Publication Date
FR2690534A1 true FR2690534A1 (fr) 1993-10-29
FR2690534B1 FR2690534B1 (enrdf_load_stackoverflow) 1997-02-21

Family

ID=9429217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9205055A Granted FR2690534A1 (fr) 1992-04-24 1992-04-24 Dispositif de collimation de faible encombrement, en particulier pour visuel de casque.

Country Status (1)

Country Link
FR (1) FR2690534A1 (enrdf_load_stackoverflow)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0710865A1 (en) * 1994-10-31 1996-05-08 Kaiser Electro-Optics, Inc. Optical collimating device
EP0718645A3 (en) * 1994-12-19 1996-10-16 Sharp Kk Optical system and head mounted display using said optical system
EP0746782A4 (enrdf_load_stackoverflow) * 1994-02-07 1997-01-15
EP0825470A4 (en) * 1996-03-11 1998-12-09 Seiko Epson Corp HEAD DOOR DISPLAY
FR2776882A1 (fr) * 1998-03-24 1999-10-01 Thomson Csf Dispositif de visualisation stereoscopique
FR2776881A1 (fr) * 1998-03-24 1999-10-01 Thomson Csf Dispositif de visualisation en trois dimensions
FR2780519A1 (fr) * 1998-06-26 1999-12-31 Thomson Csf Dispositif de collimation a coefficient de transmission ameliore
WO2000079325A1 (en) * 1999-06-22 2000-12-28 Koninklijke Philips Electronics N.V. Head-mounted display
JP2003107402A (ja) * 2001-07-26 2003-04-09 Seiko Epson Corp 立体表示装置及び投射型立体表示装置
WO2021150510A1 (en) * 2020-01-22 2021-07-29 Facebook Technologies, Llc Optical assembly with holographic optics for folded optical path
CN114207502A (zh) * 2019-09-17 2022-03-18 脸谱科技有限责任公司 具有全息漫射器显示器和透视透镜组件的显示设备
US11391948B2 (en) 2019-09-10 2022-07-19 Facebook Technologies, Llc Display illumination using a grating
US11467332B2 (en) 2019-09-10 2022-10-11 Meta Platforms Technologies, Llc Display with switchable retarder array
US11579425B1 (en) 2019-08-05 2023-02-14 Meta Platforms Technologies, Llc Narrow-band peripheral see-through pancake lens assembly and display device with same
US11586024B1 (en) 2019-08-05 2023-02-21 Meta Platforms Technologies, Llc Peripheral see-through pancake lens assembly and display device with same
US11726336B2 (en) 2019-09-10 2023-08-15 Meta Platforms Technologies, Llc Active zonal display illumination using a chopped lightguide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5903396A (en) 1997-10-17 1999-05-11 I/O Display Systems, Llc Intensified visual display

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443858A (en) * 1966-02-23 1969-05-13 Farrand Optical Co Inc Infinite optical image-forming apparatus
EP0302619A2 (en) * 1987-08-03 1989-02-08 Kaiser Aerospace And Electronics Corporation Opticle collimating apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443858A (en) * 1966-02-23 1969-05-13 Farrand Optical Co Inc Infinite optical image-forming apparatus
EP0302619A2 (en) * 1987-08-03 1989-02-08 Kaiser Aerospace And Electronics Corporation Opticle collimating apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SPIE vol. 778, 1987, pages 70 - 78 M. SHENKER Chapitre III *

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0746782A4 (enrdf_load_stackoverflow) * 1994-02-07 1997-01-15
EP0710865A1 (en) * 1994-10-31 1996-05-08 Kaiser Electro-Optics, Inc. Optical collimating device
EP0718645A3 (en) * 1994-12-19 1996-10-16 Sharp Kk Optical system and head mounted display using said optical system
US6304303B1 (en) 1994-12-19 2001-10-16 Sharp Kabushiki Kaisha Optical device and head-mounted display using said optical device
US6094242A (en) * 1994-12-19 2000-07-25 Sharp Kabushiki Kaisha Optical device and head-mounted display using said optical device
US6040945A (en) * 1996-03-11 2000-03-21 Seiko Epson Corporation Head mount display device
EP0825470A4 (en) * 1996-03-11 1998-12-09 Seiko Epson Corp HEAD DOOR DISPLAY
US6011653A (en) * 1996-03-11 2000-01-04 Seiko Epson Corporation Head-mounted display
FR2776882A1 (fr) * 1998-03-24 1999-10-01 Thomson Csf Dispositif de visualisation stereoscopique
FR2776881A1 (fr) * 1998-03-24 1999-10-01 Thomson Csf Dispositif de visualisation en trois dimensions
FR2780519A1 (fr) * 1998-06-26 1999-12-31 Thomson Csf Dispositif de collimation a coefficient de transmission ameliore
WO2000079325A1 (en) * 1999-06-22 2000-12-28 Koninklijke Philips Electronics N.V. Head-mounted display
JP2003107402A (ja) * 2001-07-26 2003-04-09 Seiko Epson Corp 立体表示装置及び投射型立体表示装置
US11586024B1 (en) 2019-08-05 2023-02-21 Meta Platforms Technologies, Llc Peripheral see-through pancake lens assembly and display device with same
US11579425B1 (en) 2019-08-05 2023-02-14 Meta Platforms Technologies, Llc Narrow-band peripheral see-through pancake lens assembly and display device with same
US11726336B2 (en) 2019-09-10 2023-08-15 Meta Platforms Technologies, Llc Active zonal display illumination using a chopped lightguide
US11467332B2 (en) 2019-09-10 2022-10-11 Meta Platforms Technologies, Llc Display with switchable retarder array
US11592608B2 (en) 2019-09-10 2023-02-28 Meta Platforms Technologies, Llc Switchable polarization retarder array for active zonal illumination of display
US11391948B2 (en) 2019-09-10 2022-07-19 Facebook Technologies, Llc Display illumination using a grating
CN114207502A (zh) * 2019-09-17 2022-03-18 脸谱科技有限责任公司 具有全息漫射器显示器和透视透镜组件的显示设备
US11448885B2 (en) 2019-09-17 2022-09-20 Meta Platforms Technologies, Llc Lens assembly including a volume Bragg grating and display device including the same
US11422375B2 (en) 2019-09-17 2022-08-23 Meta Platforms Technologies, Llc Curved see-through pancake lens assembly and display device including the same
US11372247B2 (en) 2019-09-17 2022-06-28 Facebook Technologies, Llc Display device with diffusive display and see-through lens assembly
US11835722B2 (en) 2019-09-17 2023-12-05 Meta Platforms Technologies, Llc Display device with transparent emissive display and see-through lens assembly
US11852814B2 (en) 2019-09-17 2023-12-26 Meta Platforms Technologies, Llc Display device with holographic diffuser display and see-through lens assembly
US11960090B2 (en) 2019-09-17 2024-04-16 Meta Platforms Technologies, Llc Curved see-through pancake lens assembly and display device including the same
CN115066639A (zh) * 2020-01-22 2022-09-16 元平台技术有限公司 具有用于折叠光路的全息光学器件的光学组装
US11422373B2 (en) 2020-01-22 2022-08-23 Facebook Technologies, Llc Optical assembly with holographic optics for folded optical path
US11360308B2 (en) 2020-01-22 2022-06-14 Facebook Technologies, Llc Optical assembly with holographic optics for folded optical path
WO2021150510A1 (en) * 2020-01-22 2021-07-29 Facebook Technologies, Llc Optical assembly with holographic optics for folded optical path
US12147046B2 (en) 2020-01-22 2024-11-19 Meta Platforms Technologies, Llc Optical assembly with holographic optics for folded optical path

Also Published As

Publication number Publication date
FR2690534B1 (enrdf_load_stackoverflow) 1997-02-21

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