KR920003398A - 간섭필터를 보유한 투사관 - Google Patents

간섭필터를 보유한 투사관 Download PDF

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Publication number
KR920003398A
KR920003398A KR1019900011419A KR900011419A KR920003398A KR 920003398 A KR920003398 A KR 920003398A KR 1019900011419 A KR1019900011419 A KR 1019900011419A KR 900011419 A KR900011419 A KR 900011419A KR 920003398 A KR920003398 A KR 920003398A
Authority
KR
South Korea
Prior art keywords
filter
tube
projection
filter layer
projection tube
Prior art date
Application number
KR1019900011419A
Other languages
English (en)
Inventor
조철식
Original Assignee
김정배
삼성전관 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 김정배, 삼성전관 주식회사 filed Critical 김정배
Priority to KR1019900011419A priority Critical patent/KR920003398A/ko
Priority to JP3017892A priority patent/JPH04242202A/ja
Priority to FR9101449A priority patent/FR2665299B1/fr
Priority to NL9100229A priority patent/NL9100229A/nl
Publication of KR920003398A publication Critical patent/KR920003398A/ko

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/28—Luminescent screens with protective, conductive or reflective layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/185—Luminescent screens measures against halo-phenomena
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Optical Filters (AREA)

Abstract

내용 없음

Description

간섭필터를 보유한 투사관
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 관련되는 투사관의 측단면도.

Claims (2)

  1. 3관 혹은 6관식의 모노음극선관에서 투사되는 화상을 투사스크린상에 확대하여 합성시키는 칼라 프로젝션 텔레비젼용 투사관에 있어서, 투사관의 페이스 내측면에 도포되는 형광막(3)의 색상에 유해한 파장성분을 차단하는 필터층(2)를 전기한 현광막(3)과 베이스(1)사이에 증착 개재시켜 이루어짐을 특징으로 하는 간섭필터를 보유한 투사관.
  2. 제1항에 있어서, R형광막의 경우에 필터층(2)는 중심파장이 630nm이상이고, 투과율이 530-700nm에서 90%이상, 475nm이하에서 10%이하로 되는 기본구조가 (H/2L H/2)n인 필터이고, G형광막의 경우에 필터층(2)는 중심파장이 550nm이상이고, 투과율이 500-600nm에서 90%이상, 그외에는 10%미만으로 되는 기본구조가 (H/2L H/2)n(H/2L H/2)n인 필터이고먀, B형광막의 경우에 필터층(2)는 중심파장이 450nm이상, 투과율이 400-480nm에서 90%이상, 500nm이상에서 10%이하로 되는 기본구조가 (L/2H L/2n)인 필터임을 특징으로 하는 간섭필터를 보유한 투사관, [단, 상기 식에서 H는 TiO2, L은 SiO2를 의미하고,n≥2임.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900011419A 1990-07-27 1990-07-27 간섭필터를 보유한 투사관 KR920003398A (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019900011419A KR920003398A (ko) 1990-07-27 1990-07-27 간섭필터를 보유한 투사관
JP3017892A JPH04242202A (ja) 1990-07-27 1991-02-08 干渉フィルタを有する投写管
FR9101449A FR2665299B1 (fr) 1990-07-27 1991-02-08 Tube de projection a filtre antiparasites.
NL9100229A NL9100229A (nl) 1990-07-27 1991-02-08 Projectiebuis voorzien van interferentiefilter.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900011419A KR920003398A (ko) 1990-07-27 1990-07-27 간섭필터를 보유한 투사관

Publications (1)

Publication Number Publication Date
KR920003398A true KR920003398A (ko) 1992-02-29

Family

ID=19301691

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900011419A KR920003398A (ko) 1990-07-27 1990-07-27 간섭필터를 보유한 투사관

Country Status (4)

Country Link
JP (1) JPH04242202A (ko)
KR (1) KR920003398A (ko)
FR (1) FR2665299B1 (ko)
NL (1) NL9100229A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000005671A (ko) * 1998-06-09 2000-01-25 이광주 평판형형광램프
KR100536926B1 (ko) * 1997-01-06 2008-01-11 소니 가부시끼 가이샤 평면조명등및그제조방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8402304A (nl) * 1984-07-20 1986-02-17 Philips Nv Beeldbuis.
US4633131A (en) * 1984-12-12 1986-12-30 North American Philips Corporation Halo-reducing faceplate arrangement
US4937661A (en) * 1988-07-11 1990-06-26 North American Philips Corporation Projection television display tube and device having band pass interference filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100536926B1 (ko) * 1997-01-06 2008-01-11 소니 가부시끼 가이샤 평면조명등및그제조방법
KR20000005671A (ko) * 1998-06-09 2000-01-25 이광주 평판형형광램프

Also Published As

Publication number Publication date
NL9100229A (nl) 1992-02-17
FR2665299B1 (fr) 1993-02-19
JPH04242202A (ja) 1992-08-28
FR2665299A1 (fr) 1992-01-31

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E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application