JP6390194B2 - 光学素子及び面光源装置 - Google Patents
光学素子及び面光源装置 Download PDFInfo
- Publication number
- JP6390194B2 JP6390194B2 JP2014125685A JP2014125685A JP6390194B2 JP 6390194 B2 JP6390194 B2 JP 6390194B2 JP 2014125685 A JP2014125685 A JP 2014125685A JP 2014125685 A JP2014125685 A JP 2014125685A JP 6390194 B2 JP6390194 B2 JP 6390194B2
- Authority
- JP
- Japan
- Prior art keywords
- optical element
- light source
- prism
- light
- central axis
- 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
- 230000003287 optical effect Effects 0.000 title claims description 146
- 238000009792 diffusion process Methods 0.000 claims description 10
- 238000005286 illumination Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 9
- 238000009826 distribution Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Led Device Packages (AREA)
Description
2 プリント基板
2a コネクタ
3 ベース部材
3a 開口部
3b 開口部
4 バネ
5 リンク機構
6 可動カバー
6c 開口部
7 プランジャ
8 操作ボタン
8a 透過板(拡散板)
8b 周壁部
10 スイッチ本体
11 押しボタン
12 クッションゴム
20 LED(点状光源)
30 光学素子
31 中心軸
32 プリズム頂部
32a 中心点
40 面光源装置
θ 渦巻き角度
Claims (6)
- 中心軸から外周に向けて複数のプリズム頂部がそれぞれ渦巻き状に延びて形成されたプリズム群を平板の表面に少なくとも1つ備えていると共に、
前記プリズム群の各プリズム頂部は、外周になる程低くなるように形成されており、かつ前記中心軸から半径方向の第1距離までは、外周に向けて放射状に直線的に延びて形成されていることを特徴とする光学素子。 - 前記プリズム群の各プリズム頂部は、中心軸から外周に向けて連続的に延びて形成されていることを特徴とする請求項1記載の光学素子。
- 前記各プリズム頂部は、断面逆V字状になっていることを特徴とする請求項1又は2に記載の光学素子。
- 前記プリズム群を、前記平板の裏面にも備えていることを特徴とする請求項1〜3のいずれか1項に記載の光学素子。
- 拡散板と、
請求項1〜4のいずれか1項に記載の光学素子と、
上記光学素子の中心軸の延長線上に設けられた点状光源とが、この順に配されていることを特徴とする面光源装置。 - 前記プリズム群は、前記光学素子における、前記点状光源とは少なくとも反対側の面に備えられていることを特徴とする請求項5記載の面光源装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014125685A JP6390194B2 (ja) | 2014-06-18 | 2014-06-18 | 光学素子及び面光源装置 |
PCT/JP2015/064763 WO2015194315A1 (ja) | 2014-06-18 | 2015-05-22 | 光学素子及び面光源装置 |
CN201580027962.9A CN106415114B (zh) | 2014-06-18 | 2015-05-22 | 光学元件和面光源装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014125685A JP6390194B2 (ja) | 2014-06-18 | 2014-06-18 | 光学素子及び面光源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016004719A JP2016004719A (ja) | 2016-01-12 |
JP6390194B2 true JP6390194B2 (ja) | 2018-09-19 |
Family
ID=54935309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014125685A Active JP6390194B2 (ja) | 2014-06-18 | 2014-06-18 | 光学素子及び面光源装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6390194B2 (ja) |
CN (1) | CN106415114B (ja) |
WO (1) | WO2015194315A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7450445B2 (ja) * | 2020-04-10 | 2024-03-15 | 株式会社ジャパンディスプレイ | 照明装置 |
CN115280062A (zh) * | 2020-04-15 | 2022-11-01 | 株式会社日本显示器 | 棱镜片和使用了该棱镜片的照明装置 |
JP2024517795A (ja) * | 2021-05-04 | 2024-04-23 | パワーフォトニック リミテッド | レーザ材料加工のためのビーム整形器の光学部品 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3358426B2 (ja) * | 1996-02-29 | 2002-12-16 | 凸版印刷株式会社 | フレネルレンズおよびその成型に用いるスタンパの製造方法 |
DE10343630B4 (de) * | 2003-09-20 | 2007-11-15 | Schott Ag | Streuscheibe |
JP2005322549A (ja) * | 2004-05-11 | 2005-11-17 | Seiko Instruments Inc | 照明装置及びこれを用いた表示装置 |
US7637639B2 (en) * | 2005-12-21 | 2009-12-29 | 3M Innovative Properties Company | LED emitter with radial prismatic light diverter |
JP4642823B2 (ja) * | 2007-09-13 | 2011-03-02 | 株式会社日立製作所 | 照明装置及び液晶表示装置 |
JP5649047B2 (ja) * | 2010-09-29 | 2015-01-07 | シチズン電子株式会社 | レンズ部材及び光学ユニット |
JP5274537B2 (ja) * | 2010-11-19 | 2013-08-28 | オムロン株式会社 | 照光式押しボタンスイッチおよび操作パネル |
DE102011115756B4 (de) * | 2011-09-30 | 2015-01-15 | Auer Lighting Gmbh | Scheinwerfer |
JP3187902U (ja) * | 2013-10-10 | 2013-12-19 | ミネベア株式会社 | 照明装置 |
-
2014
- 2014-06-18 JP JP2014125685A patent/JP6390194B2/ja active Active
-
2015
- 2015-05-22 CN CN201580027962.9A patent/CN106415114B/zh active Active
- 2015-05-22 WO PCT/JP2015/064763 patent/WO2015194315A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN106415114B (zh) | 2019-05-03 |
JP2016004719A (ja) | 2016-01-12 |
CN106415114A (zh) | 2017-02-15 |
WO2015194315A1 (ja) | 2015-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5375966B2 (ja) | 面光源装置および液晶ディスプレイ装置およびレンズ | |
JP5550505B2 (ja) | 面状照明装置およびこれを備えた液晶表示装置 | |
CN111007681B (zh) | 表面光源设备及显示装置 | |
US9748056B2 (en) | Illuminated-type push-button switch and keyboard | |
JP5957364B2 (ja) | 光束制御部材、発光装置、面光源装置および表示装置 | |
KR101657295B1 (ko) | 직하형 led 면조명 장치 | |
US9169992B2 (en) | Lens and light source module incorporating the same | |
JP6356997B2 (ja) | 光束制御部材、発光装置、面光源装置および表示装置 | |
US20100006412A1 (en) | Keycap and press key structure using the same | |
JP6369353B2 (ja) | 導光体および発光装置 | |
US10488562B2 (en) | Lens structure and lamp, backlight module, and display device using the same | |
JP5274537B2 (ja) | 照光式押しボタンスイッチおよび操作パネル | |
JP6390194B2 (ja) | 光学素子及び面光源装置 | |
JP6406053B2 (ja) | 導光体および発光装置 | |
KR20060115124A (ko) | 균일한 광분포를 얻기 위한 광방출기 및 상기 광방출기를이용한 백라이트 유닛 | |
JP5588808B2 (ja) | 発光装置、照明装置及び表示装置 | |
CN110887021A (zh) | 一种光学透镜及其发光装置 | |
US20170284611A1 (en) | Projection light source structure with bat-wing candle power distribution | |
JP2012195220A (ja) | 面光源装置 | |
JP6232768B2 (ja) | 照光スイッチ | |
JP2012123984A (ja) | 照明装置 | |
JP2013105076A (ja) | 光束制御部材、発光装置、面光源装置および表示装置 | |
JP5807165B2 (ja) | 照明器具 | |
JP2011228226A (ja) | 照明用レンズ、発光装置、面光源および液晶ディスプレイ装置 | |
CN110888188A (zh) | 一种光学透镜及其发光装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20151023 |
|
RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20151028 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20160527 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170214 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171114 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20171226 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180313 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180417 |
|
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: 20180724 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180806 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6390194 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |