TW202407398A - 擴散板、顯示裝置、投影裝置及照明裝置 - Google Patents

擴散板、顯示裝置、投影裝置及照明裝置 Download PDF

Info

Publication number
TW202407398A
TW202407398A TW112112036A TW112112036A TW202407398A TW 202407398 A TW202407398 A TW 202407398A TW 112112036 A TW112112036 A TW 112112036A TW 112112036 A TW112112036 A TW 112112036A TW 202407398 A TW202407398 A TW 202407398A
Authority
TW
Taiwan
Prior art keywords
microlens
light
microlenses
diffusion plate
shape
Prior art date
Application number
TW112112036A
Other languages
English (en)
Chinese (zh)
Inventor
有馬光雄
石渡正之
Original Assignee
日商迪睿合股份有限公司
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 JP2023048198A external-priority patent/JP2023152875A/ja
Application filed by 日商迪睿合股份有限公司 filed Critical 日商迪睿合股份有限公司
Publication of TW202407398A publication Critical patent/TW202407398A/zh

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/02Globes; Bowls; Cover glasses characterised by the shape
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00Simple or compound lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/30Semiconductor lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
TW112112036A 2022-03-30 2023-03-29 擴散板、顯示裝置、投影裝置及照明裝置 TW202407398A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2022-057279 2022-03-30
JP2022057279 2022-03-30
JP2023-048198 2023-03-24
JP2023048198A JP2023152875A (ja) 2022-03-30 2023-03-24 拡散板、表示装置、投影装置および照明装置

Publications (1)

Publication Number Publication Date
TW202407398A true TW202407398A (zh) 2024-02-16

Family

ID=88202052

Family Applications (1)

Application Number Title Priority Date Filing Date
TW112112036A TW202407398A (zh) 2022-03-30 2023-03-29 擴散板、顯示裝置、投影裝置及照明裝置

Country Status (2)

Country Link
TW (1) TW202407398A (ja)
WO (1) WO2023190680A1 (ja)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1239925C (zh) * 2000-07-31 2006-02-01 罗切斯特光电器件公司 用于光受控扩展的结构化屏
JP6225550B2 (ja) * 2013-08-08 2017-11-08 株式会社デンソー ヘッドアップディスプレイ装置
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
CN106796311B (zh) * 2014-09-30 2019-12-13 株式会社可乐丽 扩散板及扩散板的制造方法
US10921609B2 (en) * 2016-04-27 2021-02-16 Kuraray Co., Ltd. Transmissive diffuser plate having a microlens angle modulation distribution group
JP7080581B2 (ja) * 2016-12-28 2022-06-06 デクセリアルズ株式会社 光学体、拡散板、表示装置、投影装置及び照明装置
KR102449945B1 (ko) * 2018-02-22 2022-09-30 주식회사 쿠라레 확산판
EP3916436A4 (en) * 2019-01-25 2022-11-02 Kuraray Co., Ltd. DIFFUSION PLATE

Also Published As

Publication number Publication date
WO2023190680A1 (ja) 2023-10-05

Similar Documents

Publication Publication Date Title
US11592156B2 (en) Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device
CN108351437B (zh) 扩散板、扩散板的设计方法、扩散板的制造方法、显示装置、投影装置和照明装置
CN107430219B (zh) 扩散板
US20240077658A1 (en) Diffuser plate, display device, projecting device, and lighting device
CN112534313B (zh) 光扩散板、图像显示装置及照明装置
TWI653471B (zh) 擴散板及擴散板之設計方法
CN108139512B (zh) 扩散板、显示装置、投影装置和照明装置
JP7391495B2 (ja) 拡散板、拡散板の設計方法、表示装置、投影装置及び照明装置
CN110114698B (zh) 反射型扩散板、显示装置、投影装置及照明装置
US20210132262A1 (en) Micro-lens array, projection type image display device, method for designing micro-lens array, and method for manufacturing micro-lens array
US20230384490A1 (en) Diffusion plate, display device, projection device, lighting device, and remote sensing light source
JP2015069834A (ja) 導光板、及び面光源装置
WO2023042798A1 (ja) 拡散板、表示装置、投影装置および照明装置
TWI356211B (en) Photo mask, diffuse reflection sheet, color filter
TW202407398A (zh) 擴散板、顯示裝置、投影裝置及照明裝置
WO2023190682A1 (ja) 拡散板および装置
JP2023152875A (ja) 拡散板、表示装置、投影装置および照明装置
WO2021079923A1 (ja) 拡散板、表示装置、投影装置及び照明装置
WO2020059770A1 (ja) 光拡散板、画像表示装置及び照明装置
JP2024012499A (ja) マイクロレンズアレイ及び投影型画像表示装置