DE602007013865D1 - Lichtmischer und Rückbeleuchtungsmodul damit - Google Patents
Lichtmischer und Rückbeleuchtungsmodul damitInfo
- Publication number
- DE602007013865D1 DE602007013865D1 DE200760013865 DE602007013865T DE602007013865D1 DE 602007013865 D1 DE602007013865 D1 DE 602007013865D1 DE 200760013865 DE200760013865 DE 200760013865 DE 602007013865 T DE602007013865 T DE 602007013865T DE 602007013865 D1 DE602007013865 D1 DE 602007013865D1
- Authority
- DE
- Germany
- Prior art keywords
- backlight module
- light mixer
- mixer
- light
- backlight
- 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
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
- G02B6/0036—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
- G02B6/0013—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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02B6/0055—Reflecting 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
-
- 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
- G02B6/0018—Redirecting means on the surface of 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
- G02B6/0033—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20070102415 EP1959277B1 (de) | 2007-02-14 | 2007-02-14 | Lichtmischer und Rückbeleuchtungsmodul damit |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602007013865D1 true DE602007013865D1 (de) | 2011-05-26 |
Family
ID=38055303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200760013865 Active DE602007013865D1 (de) | 2007-02-14 | 2007-02-14 | Lichtmischer und Rückbeleuchtungsmodul damit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1959277B1 (de) |
DE (1) | DE602007013865D1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8755005B2 (en) * | 2008-09-24 | 2014-06-17 | Koninklijke Philips N.V. | Thin edge backlight with LEDS optically coupled to the back surface |
US8092061B2 (en) * | 2009-04-15 | 2012-01-10 | Delphi Technologies, Inc. | Pipe having light-redirecting channels |
WO2011025172A2 (en) | 2009-08-27 | 2011-03-03 | Lg Electronics Inc. | Backlight unit and dipslay device |
KR101672424B1 (ko) * | 2010-03-24 | 2016-11-03 | 엘지전자 주식회사 | 백라이트 유닛 및 디스플레이 장치 |
CN102576120A (zh) * | 2009-10-27 | 2012-07-11 | 皇家飞利浦电子股份有限公司 | 用于照明***和用于扫描背光***的光导 |
KR20110068382A (ko) * | 2009-12-16 | 2011-06-22 | 삼성전자주식회사 | 백라이트유닛 및 이를 가지는 디스플레이장치 |
KR101673033B1 (ko) * | 2010-04-21 | 2016-11-04 | 엘지전자 주식회사 | 디스플레이 장치 |
CN107656398A (zh) * | 2017-10-13 | 2018-02-02 | 惠州市华星光电技术有限公司 | 液晶显示器及其背光模组 |
CN110609418A (zh) * | 2019-09-24 | 2019-12-24 | 深圳创维-Rgb电子有限公司 | 一种背光模组及显示设备 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10102586A1 (de) * | 2001-01-20 | 2002-07-25 | Philips Corp Intellectual Pty | Beleuchtungseinrichtung mit punktförmigen Lichtquellen |
-
2007
- 2007-02-14 DE DE200760013865 patent/DE602007013865D1/de active Active
- 2007-02-14 EP EP20070102415 patent/EP1959277B1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1959277A1 (de) | 2008-08-20 |
EP1959277B1 (de) | 2011-04-13 |
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