JP2021519496A - ウェッジライトガイド - Google Patents

ウェッジライトガイド Download PDF

Info

Publication number
JP2021519496A
JP2021519496A JP2020551880A JP2020551880A JP2021519496A JP 2021519496 A JP2021519496 A JP 2021519496A JP 2020551880 A JP2020551880 A JP 2020551880A JP 2020551880 A JP2020551880 A JP 2020551880A JP 2021519496 A JP2021519496 A JP 2021519496A
Authority
JP
Japan
Prior art keywords
wedge
light
display
light guide
extractor
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.)
Ceased
Application number
JP2020551880A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021519496A5 (enExample
Inventor
エー． ジョンソン，ニコラス
エー． ジョンソン，ニコラス
エム． エモンズ，ロバート
エム． エモンズ，ロバート
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of JP2021519496A publication Critical patent/JP2021519496A/ja
Publication of JP2021519496A5 publication Critical patent/JP2021519496A5/ja
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2020551880A 2018-03-28 2019-03-26 ウェッジライトガイド Ceased JP2021519496A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862649535P 2018-03-28 2018-03-28
US62/649,535 2018-03-28
PCT/IB2019/052440 WO2019186391A1 (en) 2018-03-28 2019-03-26 Wedge lightguide

Publications (2)

Publication Number Publication Date
JP2021519496A true JP2021519496A (ja) 2021-08-10
JP2021519496A5 JP2021519496A5 (enExample) 2022-04-01

Family

ID=68059583

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020551880A Ceased JP2021519496A (ja) 2018-03-28 2019-03-26 ウェッジライトガイド

Country Status (5)

Country Link
US (1) US20210088711A1 (enExample)
JP (1) JP2021519496A (enExample)
KR (1) KR20200138758A (enExample)
TW (1) TW201945776A (enExample)
WO (1) WO2019186391A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7497201B2 (ja) * 2020-04-24 2024-06-10 株式会社小糸製作所 車両用表示装置
CN113267844B (zh) * 2021-04-08 2022-11-22 马鞍山晶智科技有限公司 一种透明单向出光光源模组
CN113238314B (zh) * 2021-05-06 2022-11-01 苏州晶智科技有限公司 一种用于准直背光模组的楔形导光板及其准直背光模组
GB2618554B (en) * 2022-05-10 2024-10-02 Envisics Ltd Compact head-up display and waveguide therefor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1039302A (ja) * 1996-05-09 1998-02-13 Matsushita Electric Ind Co Ltd 面状照明系
JP2007287696A (ja) * 1993-03-11 2007-11-01 3M Co テーパ状多層照明装置
JP3190671U (ja) * 2013-04-19 2014-05-22 郭錦標Ｃｈｉｎ−Ｐｉａｏ Ｋｕｏ 平面光源装置
WO2017094209A1 (ja) * 2015-11-30 2017-06-08 パナソニックＩｐマネジメント株式会社 映像表示装置および映像表示装置を搭載したヘッドアップディスプレイ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
US6002829A (en) * 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
JP3267847B2 (ja) * 1995-12-28 2002-03-25 オーツタイヤ株式会社 導光板装置
JP4672006B2 (ja) * 2005-03-01 2011-04-20 シャープ株式会社 バックライトユニットおよび液晶表示装置
US8152349B2 (en) * 2009-01-15 2012-04-10 Microsoft Corporation End reflector for a flat panel lens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007287696A (ja) * 1993-03-11 2007-11-01 3M Co テーパ状多層照明装置
JPH1039302A (ja) * 1996-05-09 1998-02-13 Matsushita Electric Ind Co Ltd 面状照明系
JP3190671U (ja) * 2013-04-19 2014-05-22 郭錦標Ｃｈｉｎ−Ｐｉａｏ Ｋｕｏ 平面光源装置
WO2017094209A1 (ja) * 2015-11-30 2017-06-08 パナソニックＩｐマネジメント株式会社 映像表示装置および映像表示装置を搭載したヘッドアップディスプレイ

Also Published As

Publication number Publication date
US20210088711A1 (en) 2021-03-25
KR20200138758A (ko) 2020-12-10
TW201945776A (zh) 2019-12-01
WO2019186391A1 (en) 2019-10-03

Similar Documents

Publication Publication Date Title
TWI424206B (zh) 導光板及光源模組
JP5859585B2 (ja) 発光装置のための光取り出し構造
US7926995B2 (en) Backlight assembly with thin film light pipe
US20110096570A1 (en) Illumination device comprising a light guide
CN106170720B (zh) 具有多个光源的非对称转向膜
CN110730926B (zh) 光学结构体及显示装置
US8287172B2 (en) Planar illumination device
TW201124760A (en) Light guide plate, light guide plate manufacturing method, surface light source device, and liquid crystal display device
JP2009503793A (ja) バックライトおよびフロントライト用のエテンデュ保存型照明光学部品
WO2011065052A1 (ja) 面状照明装置およびそれを備えた表示装置
CN101737725B (zh) 背光模块及液晶显示器
US9046630B2 (en) Optical sheet and backlight assembly having the same
CN101514789B (zh) 背光单元
JP2021519496A (ja) ウェッジライトガイド
US10012783B2 (en) Lighting system using a light guide and a lighting method
TW201312170A (zh) 光學貼膜及具有該光學貼膜之背光模組與液晶顯示器
TW201007233A (en) Light guide plate and edge-lighting type backlight module
TW201024857A (en) A light guide plate having lateral optical structures and a backlight module having the light guide plate
CN101614370A (zh) 照明装置及采用该照明装置的显示装置
US11448814B2 (en) Light control film with turning film and lenticular diffuser for view enhancement in the horizontal plane
TWI391717B (zh) A light guide plate with a partition gradient
TWI376548B (en) Light guide plate and backlight module
WO2013154038A1 (ja) 照明装置及びそれを備えた表示装置
US20250093555A1 (en) Light control film with turning film and lenticular diffuser for view enhancement in the horizontal plane
CN101393298A (zh) 导光板及背光模块

Legal Events

Date Code Title Description
RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20220307

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220324

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220324

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230131

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230428

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230815

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20231113

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240112

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240423

A045 Written measure of dismissal of application [lapsed due to lack of payment]

Free format text: JAPANESE INTERMEDIATE CODE: A045

Effective date: 20240827