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1. (WO2007002101) POLARIZATION SENSITIVE ILLUMINATION ELEMENT AND SYSTEM USING SAME
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/002101 International Application No.: PCT/US2006/024000
Publication Date: 04.01.2007 International Filing Date: 21.06.2006
IPC:
G02F 1/13357 (2006.01) ,G02B 5/08 (2006.01) ,G02B 5/30 (2006.01)
[IPC code unknown for ERROR IPC Code incorrect: invalid subgroup (0=>999999)!]
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
08
Mirrors
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
30
Polarising elements
Applicants:
3M INNOVATIVE PROPERTIES COMPANY [US/US]; 3M Center Post Office Box 33427 Saint Paul, MN 55133-3427, US
Inventors:
HEBRINK, Timothy J.; US
OUDERKIRK, Andrew J.; US
WEBER, Michael F.; US
Agent:
PRALLE, Jay R. ; 3M Center Office of Intellectual Property Counsel Post Office Box 33427 Saint Paul, Minnesota 55133-3427, US
Priority Data:
11/167,01924.06.2005US
Title (EN) POLARIZATION SENSITIVE ILLUMINATION ELEMENT AND SYSTEM USING SAME
(FR) ELEMENT SENSIBLE A LA POLARISATION ET SYSTEME L'UTILISANT
Abstract:
(EN) A display system has a controlled transmission mirror disposed between the light sources and the display panel. The controlled transmission mirror includes a light-diverting input coupling element facing the light sources, a light-diverting output coupling element facing the display panel and a multilayer reflector between the input and output coupling elements. The controlled transmission mirror laterally spreads the light, making the illumination of the panel more uniform. The controlled transmission mirror may include a transparent substrate between the input and output coupling elements for additional light spreading. The light sources may be positioned within the controlled transmission mirror, rather than behind it. The output coupling element can be polarization sensitive so that the output light is polarized.
(FR) L'invention concerne un système d'affichage équipé d'un miroir d'émission régulée placé entre les sources lumineuses et le panneau d'affichage. Ledit miroir comporte un élément de couplage d'entrée déviant la lumière regardant les sources lumineuses, un élément de couplage de sortie déviant la lumière regardant le panneau d'affichage et un réflecteur multicouche placé entre les éléments de couplage d'entrée et de sortie. Le miroir d'émission régulée étale latéralement la lumière, rendant ainsi l'éclairage du panneau plus uniforme. Ledit miroir peut comporter un substrat transparent placé entre les éléments de couplage d'entrée et de sortie pour étaler encore plus la lumière. Les sources lumineuses peuvent être placées à l'intérieur du miroir d'émission régulée, plutôt qu'à l'arrière de celui-ci. L'élément de couplage de sortie peut être sensible à la polarisation de façon que la lumière de sortie soit polarisée.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
KR1020080023698JP2008547059CN101203798