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1. CN102460245 - 具有嵌入的杂质区的导光板及其制备方法

Office China
Application Number 201080027040.5
Application Date 25.05.2010
Publication Number 102460245
Publication Date 16.05.2012
Grant Number 102460245
Grant Date 25.05.2016
Publication Kind B
IPC
G02B 6/00
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
CPC
G02B 6/0051
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0033Means for improving the coupling-out of light from the light guide
005provided by one optical element, or plurality thereof, placed on the light output side of the light guide
0051Diffusing sheet or layer
B29C 39/00
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
39Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
B29C 48/08
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
03characterised by the shape of the extruded material at extrusion
07Flat, e.g. panels
08flexible, e.g. films
B29C 48/914
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
25Component parts, details or accessories; Auxiliary operations
88Thermal treatment of the stream of extruded material, e.g. cooling
911Cooling
9135of flat articles, e.g. using specially adapted supporting means
914cooling drums
G02B 6/0055
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0033Means for improving the coupling-out of light from the light guide
005provided by one optical element, or plurality thereof, placed on the light output side of the light guide
0055Reflecting element, sheet or layer
G02B 6/0065
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0065Manufacturing aspects; Material aspects
Applicants 赢创罗姆有限公司
Inventors J·施密特
C·罗斯
Agents 中国国际贸易促进委员会专利商标事务所 11038
Title
(ZH) 具有嵌入的杂质区的导光板及其制备方法
Abstract
(ZH)

提供一种导光板,该导光板在其边缘处被照亮并且将在边缘处馈入的光通过垂直于边缘的两个表面中的至少一个再次放射出,适用于LCD屏幕、以及指示牌和信号牌中的背光。为了使光源在边缘处馈入的光能够通过克服全反射而经过表面再次离开导光板,必须在导光板中对光束适当地偏移。导光板在其两个表面中的一个处设置光学杂质区,该杂质区由薄膜(5)保护以免于损坏。此外还提供了一种用于简化地敷设该杂质区的方法。