JP6991443B2 - 非対称型出光パターンを有するディフューザー及びこの製造方法 - Google Patents
非対称型出光パターンを有するディフューザー及びこの製造方法 Download PDFInfo
- Publication number
- JP6991443B2 JP6991443B2 JP2020098216A JP2020098216A JP6991443B2 JP 6991443 B2 JP6991443 B2 JP 6991443B2 JP 2020098216 A JP2020098216 A JP 2020098216A JP 2020098216 A JP2020098216 A JP 2020098216A JP 6991443 B2 JP6991443 B2 JP 6991443B2
- Authority
- JP
- Japan
- Prior art keywords
- diffuser
- mask
- pattern
- microlens array
- microlenses
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
- B29D11/00798—Producing diffusers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
- B29D11/00298—Producing lens arrays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/0048—Moulds for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
- G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
-
- 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
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0911—Anamorphotic systems
-
- 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
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0916—Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers
-
- 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
- G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
-
- 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
-
- 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
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
-
- 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
-
- 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
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Ophthalmology & Optometry (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Optical Elements Other Than Lenses (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Description
110 ベース部
150、150’ マイクロレンズアレイ
155、155’ マイクロレンズ
300 レーザ光源
L レーザビーム
DL 拡散されたレーザビーム
Claims (7)
- レーザ光源から入射されるレーザビームを拡散して非対称型出光パターンを形成し、
ベース部と前記ベース部上に配置されたマイクロレンズアレイとを含み、
前記マイクロレンズアレイは、横の長さと縦の長さが互いに異なる底面及び前記底面上に配置された曲面を含むマイクロレンズを複数有し、
前記曲面を横方向に切った時の曲率と、前記曲面を縦方向に切った時の曲率とは同一である、
ディフューザー。 - 前記非対称型出光パターンは、横幅と縦幅とが互いに異なる四角形状のパターンである、
請求項1に記載のディフューザー。 - 前記複数のマイクロレンズは、横方向及び縦方向に互いに連接して配置され、規則的に配列された、
請求項1に記載のディフューザー。 - 前記横方向に連接する2つのマイクロレンズの間の第1連結点における接線の傾きと、前記縦方向に連接する2つのマイクロレンズの間の第2連結点における接線の傾きとは、互いに異なる、
請求項3に記載のディフューザー。 - 前記ベース部と前記マイクロレンズアレイとは、同一物質である、
請求項1に記載のディフューザー。 - 前記ベース部と前記マイクロレンズアレイとは、互いに異なる物質である、
請求項1に記載のディフューザー。 - 前記ベース部の外面のうち前記マイクロレンズアレイが配置される外面の反対側の外面に配置された追加のベース部をさらに含む、
請求項1に記載のディフューザー。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190078788A KR102214328B1 (ko) | 2019-07-01 | 2019-07-01 | 비대칭형 출광 패턴을 갖는 디퓨져 및 이의 제조 방법 |
KR10-2019-0078788 | 2019-07-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021009356A JP2021009356A (ja) | 2021-01-28 |
JP6991443B2 true JP6991443B2 (ja) | 2022-01-12 |
Family
ID=73919506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020098216A Active JP6991443B2 (ja) | 2019-07-01 | 2020-06-05 | 非対称型出光パターンを有するディフューザー及びこの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11774645B2 (ja) |
JP (1) | JP6991443B2 (ja) |
KR (1) | KR102214328B1 (ja) |
CN (1) | CN112180477B (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014139656A (ja) | 2012-12-21 | 2014-07-31 | Ricoh Co Ltd | 2次元画像表示装置および2次元画像表示装置用の光走査装置および被走査面素子および移動体 |
WO2016125824A1 (ja) | 2015-02-04 | 2016-08-11 | 大日本印刷株式会社 | 透過型スクリーン及びそれを用いたヘッドアップディスプレイ装置 |
JP2017040759A (ja) | 2015-08-19 | 2017-02-23 | 凸版印刷株式会社 | 光学シート |
WO2017188225A1 (ja) | 2016-04-27 | 2017-11-02 | 株式会社クラレ | 拡散板及び投影式プロジェクタ装置 |
JP2019045781A (ja) | 2017-09-06 | 2019-03-22 | 矢崎総業株式会社 | バックライトユニットおよびヘッドアップディスプレイ装置 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH056987A (ja) * | 1991-06-27 | 1993-01-14 | Hitachi Ltd | マイクロレンズおよびその製造方法 |
US6618201B2 (en) * | 1998-08-27 | 2003-09-09 | Seiko Epson Corporation | Micro lens array, method of fabricating the same, and display device |
US7531104B1 (en) * | 2002-03-20 | 2009-05-12 | Ruey-Jen Hwu | Micro-optic elements and method for making the same |
US7375892B2 (en) | 2003-10-09 | 2008-05-20 | Micron Technology, Inc. | Ellipsoidal gapless microlens array and method of fabrication |
KR100656996B1 (ko) * | 2004-09-03 | 2006-12-13 | 엘지전자 주식회사 | 마이크로렌즈 배열 프로젝션 스크린 |
JP2006323328A (ja) * | 2004-09-17 | 2006-11-30 | Hitachi Maxell Ltd | マイクロレンズアレイ及びマイクロレンズアレイの製造方法並びに当該マイクロレンズアレイを搭載した液晶表示装置 |
KR100658162B1 (ko) * | 2005-04-15 | 2006-12-15 | 한국생산기술연구원 | 하이브리드 마이크로렌즈 제조 방법 및 이의 방법에 의해 제조된 도광판 |
KR101309446B1 (ko) * | 2005-10-04 | 2013-09-23 | 키모토 컴파니 리미티드 | 표면 요철의 제작 방법 |
KR100797778B1 (ko) * | 2006-08-04 | 2008-01-24 | 한국과학기술원 | 폴리머 패턴, 금속 스탬퍼 및 마이크로렌즈 어레이 형성방법 |
US8742406B1 (en) * | 2011-02-16 | 2014-06-03 | Iowa State University Research Foundation, Inc. | Soft lithography microlens fabrication and array for enhanced light extraction from organic light emitting diodes (OLEDs) |
KR101265312B1 (ko) * | 2011-03-15 | 2013-05-16 | 주식회사 엘지화학 | 마이크로 렌즈 어레이 시트 및 이를 포함하는 백라이트 유닛 |
KR101293172B1 (ko) * | 2011-11-16 | 2013-08-20 | 엘지이노텍 주식회사 | 조명 부재 및 이를 이용한 조명기기 |
CN102520591A (zh) | 2011-12-15 | 2012-06-27 | 东南大学 | 一种基于负性光刻胶的扩散片光刻工艺方法 |
CN104583668B (zh) | 2012-08-22 | 2020-04-03 | 首尔半导体株式会社 | Led背光源的照明透镜、发光设备、表面光源设备、显示设备 |
KR20140047412A (ko) * | 2012-10-12 | 2014-04-22 | 에스케이씨하스디스플레이필름(유) | 탠덤 배열 렌즈 시트 |
KR102062255B1 (ko) * | 2013-08-12 | 2020-01-03 | 한국전자통신연구원 | 마이크로 렌즈 어레이 및 그 제조 방법 |
JP6260345B2 (ja) * | 2014-01-06 | 2018-01-17 | 株式会社Jvcケンウッド | 中間像形成部及びそれを用いた画像表示装置 |
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 |
CN103913784A (zh) | 2014-03-26 | 2014-07-09 | 中国科学院长春光学精密机械与物理研究所 | 一种聚合物微透镜阵列的制备方法 |
EP3270193A4 (en) * | 2015-03-12 | 2018-10-24 | Kuraray Co., Ltd. | Diffusion plate |
JP6380813B2 (ja) | 2015-12-24 | 2018-08-29 | カシオ計算機株式会社 | 光源装置及び投影装置 |
CN110221509A (zh) | 2018-03-01 | 2019-09-10 | 青岛海信激光显示股份有限公司 | 一种透镜片及激光投影装置 |
CN208027074U (zh) | 2018-03-01 | 2018-10-30 | 青岛海信激光显示股份有限公司 | 一种扩散片及激光投影装置 |
CN111175861B (zh) | 2020-01-17 | 2021-06-15 | 中国科学院长春光学精密机械与物理研究所 | 多焦距曲面复眼透镜的设计与制备方法 |
-
2019
- 2019-07-01 KR KR1020190078788A patent/KR102214328B1/ko active IP Right Grant
-
2020
- 2020-05-29 US US16/887,861 patent/US11774645B2/en active Active
- 2020-06-04 CN CN202010501779.0A patent/CN112180477B/zh active Active
- 2020-06-05 JP JP2020098216A patent/JP6991443B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014139656A (ja) | 2012-12-21 | 2014-07-31 | Ricoh Co Ltd | 2次元画像表示装置および2次元画像表示装置用の光走査装置および被走査面素子および移動体 |
WO2016125824A1 (ja) | 2015-02-04 | 2016-08-11 | 大日本印刷株式会社 | 透過型スクリーン及びそれを用いたヘッドアップディスプレイ装置 |
JP2017040759A (ja) | 2015-08-19 | 2017-02-23 | 凸版印刷株式会社 | 光学シート |
WO2017188225A1 (ja) | 2016-04-27 | 2017-11-02 | 株式会社クラレ | 拡散板及び投影式プロジェクタ装置 |
JP2019045781A (ja) | 2017-09-06 | 2019-03-22 | 矢崎総業株式会社 | バックライトユニットおよびヘッドアップディスプレイ装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20210003339A (ko) | 2021-01-12 |
CN112180477A (zh) | 2021-01-05 |
CN112180477B (zh) | 2022-07-05 |
JP2021009356A (ja) | 2021-01-28 |
KR102214328B1 (ko) | 2021-02-15 |
US20210003750A1 (en) | 2021-01-07 |
US11774645B2 (en) | 2023-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7737636B2 (en) | LED assembly with an LED and adjacent lens and method of making same | |
CN108474878B (zh) | 衍射光学元件和光照射装置 | |
US9610743B2 (en) | Method for manufacturing passive optical components, and devices comprising the same | |
TWI670573B (zh) | 無堆場透鏡組件及製造方法 | |
JP7225534B2 (ja) | 光学素子、光学素子の多面付け体、光学モジュール及び光照射装置 | |
JP2006500621A (ja) | 光線成形及び均一化のためのランダムマイクロレンズアレイ | |
CN106817910B (zh) | 光学元件堆叠组件 | |
CN207586618U (zh) | 组合图案投影装置及深度相机 | |
KR102086187B1 (ko) | 절두 렌즈, 절두 렌즈의 쌍 및 상응하는 장치의 제조 | |
JP6991443B2 (ja) | 非対称型出光パターンを有するディフューザー及びこの製造方法 | |
JP2011227387A (ja) | 光学素子 | |
JPS63283174A (ja) | 発光ダイオ−ド | |
JP2016170233A (ja) | 光照射装置 | |
WO2016071439A1 (de) | Verfahren zum herstellen eines optoelektronischen bauelements und optoelektronisches bauelement | |
CN212623162U (zh) | 匀光片和tof模组 | |
CN107209355B (zh) | 来自颜色随位置变化的光源的光的颜色校正准直 | |
JPWO2013094710A1 (ja) | 光学部材の製造方法 | |
CN110346855B (zh) | 光扩散片的制备方法 | |
JP2019505950A (ja) | 複合オーバーコーティング構造を有する光ファイバ光源 | |
JP6855747B2 (ja) | 照明装置、及び撮影装置 | |
US20240088629A1 (en) | Micro-optics on vcsel-based flood illuminator | |
US20230086879A1 (en) | Semiconductor Light Source, Cover Body and Method | |
WO2021132401A1 (ja) | マイクロレンズアレイ及び発光装置 | |
TWI825349B (zh) | 光學元件和晶圓級光學模組 | |
KR102159203B1 (ko) | 광 형상화 및 균질화를 위한 마이크로렌즈 어레이 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200605 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210430 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210601 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210827 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20211019 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20211116 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6991443 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |