KR900019117A - Projection CRT - Google Patents

Projection CRT Download PDF

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Publication number
KR900019117A
KR900019117A KR1019900007864A KR900007864A KR900019117A KR 900019117 A KR900019117 A KR 900019117A KR 1019900007864 A KR1019900007864 A KR 1019900007864A KR 900007864 A KR900007864 A KR 900007864A KR 900019117 A KR900019117 A KR 900019117A
Authority
KR
South Korea
Prior art keywords
projection type
panel
conductive film
cathode ray
projection
Prior art date
Application number
KR1019900007864A
Other languages
Korean (ko)
Inventor
테쯔오 아사노
에이이찌 야마자끼
야스카즈 모리타
Original Assignee
미따 가쓰시게
가부시기가이샤 히다찌세이사구쇼
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
Priority claimed from JP13467389A external-priority patent/JPH031430A/en
Priority claimed from JP21477989A external-priority patent/JPH0378945A/en
Application filed by 미따 가쓰시게, 가부시기가이샤 히다찌세이사구쇼 filed Critical 미따 가쓰시게
Publication of KR900019117A publication Critical patent/KR900019117A/en

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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
    • 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
    • H01J29/28—Luminescent screens with protective, conductive or reflective layers
    • 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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/89—Optical components associated with the vessel
    • H01J2229/8913—Anti-reflection, anti-glare, viewing angle and contrast improving treatments or devices
    • H01J2229/8916—Anti-reflection, anti-glare, viewing angle and contrast improving treatments or devices inside the vessel

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

내용 없음No content

Description

투사형 브라운관Projection CRT

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명 구성의 투사형브라운관의 일실시예를 표시한 요부 확대 단면도, 제3도는 본 발명구성의 투사형 브라운관과 종래 구성의 투사형 브라운관에 대해서, 패널중심∼주변부의 상대휘도변화의 비교를 표시한 도면.2 is an enlarged cross-sectional view showing main parts of one embodiment of a projection type brown tube of the present invention configuration, and FIG. 3 is a comparison of relative luminance change of the center of the panel to the peripheral portion of the projection type CRT tube of the present invention configuration and the projection type CRT tube of the conventional configuration. One drawing.

Claims (6)

패널내면을 소정의 곡률을 볼록형상으로 형성하고, 상기 패널 내표면에 다층간섭막. 형광체층 및 메탈백층을 순차적으로 형성해서 이루어진 투사형 브라운관에 있어서, 상기 소정의 곡률을 가진 볼록형상으로 형성한 내면을 가진 패널을 스커어트부를 가지지 않는 판형상으로 형성한 것을 특징으로 하는 투사형 브라운관.The inner surface of the panel is formed in a convex shape with a predetermined curvature, and the multilayer interference film is formed on the inner surface of the panel. A projection type CRT tube formed by sequentially forming a phosphor layer and a metal back layer, wherein the projection CRT tube having an inner surface formed in a convex shape having the predetermined curvature is formed in a plate shape without a skirt. 제1항에 있어서, 패널의 주변부와 퍼낼을 프릿글라스에 의해서 용착한 것을 특징으로 하는 투사형 브라운관.The projection type cathode ray tube according to claim 1, wherein the periphery of the panel and the funnel are welded by frit glass. 패널부와 퍼넬부를 플릿글라스용착에 의해 접합하여 이루어진 투사형 브라운관에 있어서 상기 퍼낼부와 상기 패널부의 사이에 도전막을 형성한 구성으로 이루어진 것을 특징으로 하는 투사형 브라운관.A projection type CRT tube formed by joining a panel portion and a funnel portion by fleece glass welding, wherein the projection CRT layer has a configuration in which a conductive film is formed between the blower portion and the panel portion. 제3항에 있어서, 패널부에 도포된 형광제층과 퍼넬부에 도포된 내장도전막의 사이에 도전막을 형성한 것을 특징으로 하는 투사형 브라운관.The projection type cathode ray tube according to claim 3, wherein a conductive film is formed between the fluorescent material layer applied to the panel portion and the internal conductive film applied to the funnel portion. 제3항에 있어서, 도전막을 흑연으로 한 것을 특징으로 하는 투사형 브라운관.The projection type cathode ray tube according to claim 3, wherein the conductive film is made of graphite. 제3항에 있어서, 도전막을 알루미늄증착막으로 한 것을 특징으로 하는 투사형 브라운관.The projection type cathode ray tube according to claim 3, wherein the conductive film is an aluminum deposition film. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900007864A 1989-05-30 1990-05-30 Projection CRT KR900019117A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1-134673 1989-05-30
JP13467389A JPH031430A (en) 1989-05-30 1989-05-30 Projection braun tube (crt)
JP1-214779 1989-08-23
JP21477989A JPH0378945A (en) 1989-08-23 1989-08-23 Cathode-ray tube

Publications (1)

Publication Number Publication Date
KR900019117A true KR900019117A (en) 1990-12-24

Family

ID=26468712

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900007864A KR900019117A (en) 1989-05-30 1990-05-30 Projection CRT

Country Status (2)

Country Link
EP (1) EP0400565A3 (en)
KR (1) KR900019117A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6597103B1 (en) * 1999-12-22 2003-07-22 Koninklijke Philips Electronics N.V. Display tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU522177B2 (en) * 1978-02-06 1982-05-20 Esplin Kloss Henry Projection tv tube
GB2176048B (en) * 1985-05-29 1989-07-05 Philips Nv Projection television display tube and projection television device comprising at least one such tube

Also Published As

Publication number Publication date
EP0400565A3 (en) 1991-09-11
EP0400565A2 (en) 1990-12-05

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Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid