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1. JP2006502531 - CRTスクリーンを製造するためのレンズ系

Office Japan
Application Number 2004520951
Application Date 18.06.2003
Publication Number 2006502531
Publication Date 19.01.2006
Publication Kind A
IPC
H01J 9/227
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
9Apparatus or processes specially adapted for the manufacture of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
20Manufacture of screens on or from which an image or pattern is formed, picked-up, converted or stored; Applying coatings to the vessel
22Applying luminescent coatings
227with luminescent material discontinuously arranged, e.g. in dots or lines
CPC
G02B 3/02
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
02with non-spherical faces
G02B 3/12
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
12Fluid-filled or evacuated lenses
H01J 9/2273
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
9Apparatus or processes specially adapted for the manufacture ; , installation, removal, maintenance; of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
20Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
22Applying luminescent coatings
227with luminescent material discontinuously arranged, e.g. in dots or lines
2271by photographic processes
2272Devices for carrying out the processes, e.g. light houses
2273Auxiliary lenses and filters
H01J 29/88
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
86Vessels; Containers; Vacuum locks
88provided with coatings on the walls thereof; Selection of materials for the coatings
H01J 29/89
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
86Vessels; Containers; Vacuum locks
89Optical or photographic arrangements structurally combined ; or co-operating; with the vessel
H01J 2229/8915
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
2229Details of cathode ray tubes or electron beam tubes
89Optical components associated with the vessel
8913Anti-reflection, anti-glare, viewing angle and contrast improving treatments or devices
8915Surface treatment of vessel or device, e.g. controlled surface roughness
Applicants コーニンクレッカ フィリップス エヌ ヴェ
Inventors スリュイテルマン,アルベルテュス アー エス
Agents 伊東 忠彦
大貫 進介
伊東 忠重
Priority Data 02077835.3 11.07.2002 EP
Title
(JA) CRTスクリーンを製造するためのレンズ系
Abstract
(JA)

第1のレンズ(13、23)と第2のレンズ(12、21)を有するレンズ系(10、20)を開示する。第2のレンズの屈折率は、空気の屈折率より高いが、第1のレンズの屈折率より低い。レンズは、臨界の屈折界面(22)を形成するよう互いに直接接触して配置される。本発明は、特に、大きい偏角を有するスクリーンを製造する際に表面粗さに対し低い感度でのCRTスクリーンの露光を与える。

Also published as
CN03816253.9
EP2003732980