CN114556168B - 扩散板、显示装置、投影装置以及照明装置 - Google Patents

扩散板、显示装置、投影装置以及照明装置 Download PDF

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Publication number
CN114556168B
CN114556168B CN202080072883.0A CN202080072883A CN114556168B CN 114556168 B CN114556168 B CN 114556168B CN 202080072883 A CN202080072883 A CN 202080072883A CN 114556168 B CN114556168 B CN 114556168B
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China
Prior art keywords
microlenses
grid
microlens
shape
diffusion plate
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CN202080072883.0A
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English (en)
Chinese (zh)
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CN114556168A (zh
Inventor
有马光雄
石渡正之
金杉骏介
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Dexerials Corp
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Dexerials Corp
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Priority claimed from PCT/JP2020/039657 external-priority patent/WO2021079923A1/ja
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Classifications

    • 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
    • G02B5/0263—Diffusing elements; Afocal elements characterised by the diffusing properties with positional variation of the diffusing properties, e.g. gradient or patterned diffuser
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces
    • 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
    • G02B5/0215—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 a regular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CN202080072883.0A 2019-10-25 2020-10-22 扩散板、显示装置、投影装置以及照明装置 Active CN114556168B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019194363 2019-10-25
JP2019-194363 2019-10-25
JP2020175853A JP7705235B2 (ja) 2019-10-25 2020-10-20 拡散板、表示装置、投影装置及び照明装置
JP2020-175853 2020-10-20
PCT/JP2020/039657 WO2021079923A1 (ja) 2019-10-25 2020-10-22 拡散板、表示装置、投影装置及び照明装置

Publications (2)

Publication Number Publication Date
CN114556168A CN114556168A (zh) 2022-05-27
CN114556168B true CN114556168B (zh) 2024-08-13

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CN202080072883.0A Active CN114556168B (zh) 2019-10-25 2020-10-22 扩散板、显示装置、投影装置以及照明装置

Country Status (5)

Country Link
US (1) US20240077658A1 (https=)
EP (1) EP4027177A4 (https=)
JP (2) JP7705235B2 (https=)
CN (1) CN114556168B (https=)
TW (1) TWI854054B (https=)

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CN115755238A (zh) * 2021-09-03 2023-03-07 苏州苏大维格科技集团股份有限公司 多层微透镜阵列匀光结构及其设计方法、tof镜头及设备
CN115755376A (zh) * 2021-09-03 2023-03-07 苏州苏大维格科技集团股份有限公司 微透镜阵列匀光结构及其设计制作方法、tof镜头及设备
CN113777680A (zh) * 2021-09-10 2021-12-10 浙江水晶光电科技股份有限公司 一种光学扩散片及光发射模组
JP2023044051A (ja) * 2021-09-17 2023-03-30 デクセリアルズ株式会社 拡散板、表示装置、投影装置および照明装置
CN116027469B (zh) * 2021-10-25 2026-03-31 宁波舜宇车载光学技术有限公司 扩散板及显示设备
CN116027470B (zh) * 2021-10-25 2026-03-31 宁波舜宇车载光学技术有限公司 扩散板器件及其制备方法
JP2023119945A (ja) * 2022-02-17 2023-08-29 株式会社ダイセル マイクロレンズアレイ、拡散板及び照明装置
EP4502668A4 (en) * 2022-05-25 2025-09-24 Keiwa Inc LIGHT DIFFUSION SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, INFORMATION APPARATUS
DE102022210445A1 (de) * 2022-09-30 2024-04-04 Continental Automotive Technologies GmbH Anzeigeeinrichtung mit Diffusor
CN118604929A (zh) * 2024-06-14 2024-09-06 武汉大学 微透镜阵列扩散片结构及其制备方法
WO2025263406A1 (ja) * 2024-06-21 2025-12-26 Ａｇｃ株式会社 拡散板、及び光学装置

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JP2018054769A (ja) * 2016-09-28 2018-04-05 パナソニックＩｐマネジメント株式会社 撮像装置

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CN100501459C (zh) * 2005-05-31 2009-06-17 索尼株式会社 液晶显示器，光学片的制造方法和光学片
US20100245737A1 (en) * 2007-10-03 2010-09-30 Iori Aoyama Light diffusion sheet and liquid crystal display device
JP5630042B2 (ja) * 2010-03-17 2014-11-26 ソニー株式会社 拡散シートの製造方法
JP2013205512A (ja) * 2012-03-27 2013-10-07 Dainippon Printing Co Ltd 光拡散フィルム、偏光板、画像形成装置および表示装置
TWI526720B (zh) * 2013-06-21 2016-03-21 佳能股份有限公司 漫射板
JP6327035B2 (ja) * 2013-08-12 2018-05-23 大日本印刷株式会社 照明装置、投射装置、レンズアレイおよび光学モジュール
JP2015169804A (ja) * 2014-03-07 2015-09-28 株式会社リコー レンズアレイ、画像表示装置、及び移動体
CN106461815B (zh) * 2014-05-27 2018-10-09 纳卢克斯株式会社 微透镜阵列及包括微透镜阵列的光学系统
JP6754300B2 (ja) * 2014-09-30 2020-09-09 株式会社クラレ 拡散板及び拡散板の設計方法
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JP2017054017A (ja) * 2015-09-10 2017-03-16 パナソニックＩｐマネジメント株式会社 拡散板及び該拡散板を備えた撮像装置
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JPWO2018151097A1 (ja) * 2017-02-15 2019-02-21 ナルックス株式会社 拡散素子
JP6794882B2 (ja) * 2017-03-14 2020-12-02 株式会社リコー 拡散板及びそれをフォーカシングスクリーンに用いた一眼レフカメラ
DE102017217345B4 (de) * 2017-09-28 2019-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optischer Strahlformer

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JP2018054769A (ja) * 2016-09-28 2018-04-05 パナソニックＩｐマネジメント株式会社 撮像装置

Also Published As

Publication number Publication date
TWI854054B (zh) 2024-09-01
TW202122835A (zh) 2021-06-16
JP2025072564A (ja) 2025-05-09
EP4027177A1 (en) 2022-07-13
JP7705235B2 (ja) 2025-07-09
JP2021071721A (ja) 2021-05-06
EP4027177A4 (en) 2023-10-11
US20240077658A1 (en) 2024-03-07
CN114556168A (zh) 2022-05-27

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