OPTICAL SHEET, BACKLIGHT UNIT, AND DISPLAY DEVICE
PROBLEM TO BE SOLVED: To provide an optical sheet with excellent condensation property, diffusion characteristic and a configuration inhibiting interference fringe, that can protect the optical sheet itself from damage due to warping or twisting even when another optical sheet is laminated on a ligh...
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Format | Patent |
Language | English |
Published |
24.05.2012
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Subjects | |
Online Access | Get full text |
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Abstract | PROBLEM TO BE SOLVED: To provide an optical sheet with excellent condensation property, diffusion characteristic and a configuration inhibiting interference fringe, that can protect the optical sheet itself from damage due to warping or twisting even when another optical sheet is laminated on a light emission surface.SOLUTION: An optical sheet 10 includes a substantially hemispherical microlens 31 and a prism lens 19 provided on a light emission surface 10b where a cross section height h of the microlens 31 in a cross section along a top part of the prism lens 19 is randomly varied in a range of a height H1 at the highest. |
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AbstractList | PROBLEM TO BE SOLVED: To provide an optical sheet with excellent condensation property, diffusion characteristic and a configuration inhibiting interference fringe, that can protect the optical sheet itself from damage due to warping or twisting even when another optical sheet is laminated on a light emission surface.SOLUTION: An optical sheet 10 includes a substantially hemispherical microlens 31 and a prism lens 19 provided on a light emission surface 10b where a cross section height h of the microlens 31 in a cross section along a top part of the prism lens 19 is randomly varied in a range of a height H1 at the highest. |
Author | SAKAKI YUICHI |
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RelatedCompanies | TOPPAN PRINTING CO LTD |
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Snippet | PROBLEM TO BE SOLVED: To provide an optical sheet with excellent condensation property, diffusion characteristic and a configuration inhibiting interference... |
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SubjectTerms | BLASTING DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS |
Title | OPTICAL SHEET, BACKLIGHT UNIT, AND DISPLAY DEVICE |
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