KR960008898A - Structure and Manufacturing Method of Color Cathode Ray Tube - Google Patents

Structure and Manufacturing Method of Color Cathode Ray Tube Download PDF

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Publication number
KR960008898A
KR960008898A KR1019940019814A KR19940019814A KR960008898A KR 960008898 A KR960008898 A KR 960008898A KR 1019940019814 A KR1019940019814 A KR 1019940019814A KR 19940019814 A KR19940019814 A KR 19940019814A KR 960008898 A KR960008898 A KR 960008898A
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South Korea
Prior art keywords
layer
black
ray tube
cathode ray
color cathode
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KR1019940019814A
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Korean (ko)
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KR0151209B1 (en
Inventor
김진영
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이헌조
엘지전자 주식회사
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Priority to KR1019940019814A priority Critical patent/KR0151209B1/en
Publication of KR960008898A publication Critical patent/KR960008898A/en
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Publication of KR0151209B1 publication Critical patent/KR0151209B1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2278—Application of light absorbing material, e.g. between the luminescent areas
    • 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
    • H01J29/02—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
    • H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
    • H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
    • H01J29/327—Black matrix materials

Abstract

본 발명은 칼라 음극선관에 관한 것으로, 특히 칼라 음극선관의 해상도 및 콘트라스트(Contrast)을 향상시키고 외부광에 대한 반사율을 저하 시키기에 적당하도록 한 칼라 음극선관의 구조 및 제조방법에 관한 것이다.The present invention relates to a color cathode ray tube, and more particularly, to a structure and a manufacturing method of a color cathode ray tube adapted to improve the resolution and contrast of a color cathode ray tube and to reduce reflectance to external light.

이와 같은 본 발명의 칼라 음극선관의 구조는 브라운관 표면, 상기 브라운관 표면의 외측에 흑색 안료와 도전성 입자가 포함되어 소정의 투과율을 갖고 형성된 실리카층, 상기 실리카층 상에 소정의 투과율을 갖고 형성되는 λ/4원 편광자, 상기 브라운관 표면의 내측에 소정의 두과율을 갖고 형성되는 흑색층, 상기 흑색층상에 일정한 간격으로 형성되는 블랙 매트릭스부, 상기 블랙 매트릭스부 사이사이에 형성되는 R,G,B 발광용 형광체부와, 상기 형광체부 위에 차례로 형성되는 에멀젼층 및 반사층을 포함하여 구성되고, 본 발명의 칼라 음극선관의 제조방법은 브라운관 표면의 외면에 흑색안료와 도전성 입자가 포함된 실리카층을 형성하는 공정과, 상기 실리카층 상부에 λ/4원 편광자를 부착하는 공정과, 상기 브라운관 표면의 내측에 흑색층을 형성하는 공정과, 상기 흑색층위에 화소와 화소 사이에서 빛을 차단하기 위한 블랙 매트릭스부를 형성하는 공정과, 상기 블랙 매트릭스 사이의 화소 영역에 R,G,B 발광용 형광체를 형성하고 상기 R,G,B 발광용 형광체에 에멀젼층과 알루미늄 반사층을 차레로 형성하는 공정을 포함하여 이루어진 것이다.Such a structure of the color cathode ray tube of the present invention is a silica layer formed by including a black pigment and conductive particles on the surface of the CRT, the CRT surface, and having a predetermined transmittance, and having a predetermined transmittance on the silica layer. A / 4-membered polarizer, a black layer formed at a predetermined penetration rate inside the surface of the CRT, a black matrix part formed at regular intervals on the black layer, and R, G, B light emission formed between the black matrix part And a emulsion layer and a reflection layer sequentially formed on the phosphor portion, and the method for manufacturing a color cathode ray tube according to the present invention includes forming a silica layer containing black pigment and conductive particles on the outer surface of the CRT surface. A step of attaching the lambda / 4 member polarizer on the silica layer, and forming a black layer inside the surface of the CRT. And forming a black matrix portion on the black layer to block light between the pixel and the pixel; forming phosphors for emitting R, G, and B light in the pixel region between the black matrix; And forming an emulsion layer and an aluminum reflective layer in the B-emitting phosphor.

Description

칼라 음극선관의 구조 및 제조방법Structure and Manufacturing Method of Color Cathode Ray Tube

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

제3도는 본 발명의 브라운관 표면부위 단면도.3 is a cross-sectional view of the CRT surface portion of the present invention.

제4도는 본 발명에 따른 스핀 코팅 장치 구성도.4 is a schematic view of a spin coating apparatus according to the present invention.

제5도는 본 발명에 따른 원 평광자 부착장치 구성도.5 is a block diagram of a circular flat lamp attachment apparatus according to the present invention.

Claims (7)

브라운관 표면, 상기 브라운관 표면의 외측에 흑색 안료와 도전성 입자가 포함되어 소정의 투과율을 갖고 형성된 실리카층, 상기 실리카층 상에 소정의 투과율을 갖고 형성되는 λ/4원 편광자, 상기 브라운관 표면의 내측에 소정의 투과율을 갖고 형성되는 흑색층, 상기 흑색층 상에 일정한 간격으로 형성되는 블랙 매트릭스부, 상기 블랙 매트릭스부 사이사이에 형성되는 R,G,B 발광용 형광체부와, 상기 형광체부 위에 차례로 형성되는 에멀젼층 및 반사층을 포함하여 구성됨을 특징으로 하는 칼라 음극선관의 구조.A silica layer formed with a predetermined transmittance by containing a black pigment and conductive particles on a CRT surface, an outer side of the CRT surface, a λ / 4 member polarizer formed with a predetermined transmittance on the silica layer, and inside the CRT surface A black layer formed with a predetermined transmittance, a black matrix part formed at regular intervals on the black layer, an R, G, B light emitting phosphor part formed between the black matrix parts, and then sequentially formed on the phosphor part The structure of the color cathode ray tube, characterized in that it comprises an emulsion layer and a reflection layer. 브라운관 표면의 외면에 흑색안료와 도전성 입자가 포함된 실리카층을 형성하는 공정과, 상기 실리카층 상부에 λ/4원 편광자를 부착하는 공정과, 상기 브라운관 표면의 내측에 흑색층을 형성하는 공정과, 상기 흑색층위에 화소와 화소 사이에서 빛을 차단하기 위한 블랙 매트릭스부를 형성하는 공정과, 상기 블랙 매트릭스 사이의 화소 영역에 R,G,B 발광용 형광체를 형성하고 상기 R,G,B 발광용 형광체상에 에멀젼층과 알루미늄 반사층을 차례로 형성하는 공정을 포함하여 이루어짐을 특징으로 하는 칼라 음극선관의 제조방법.Forming a silica layer containing black pigment and conductive particles on the outer surface of the CRT surface, attaching a λ / 4 member polarizer on the silica layer, and forming a black layer inside the CRT surface; Forming a black matrix portion for blocking light between the pixel and the pixel on the black layer; forming a phosphor for emitting R, G, and B light in the pixel region between the black matrix and emitting the R, G, and B light. A method of manufacturing a color cathode ray tube, comprising the step of sequentially forming an emulsion layer and an aluminum reflective layer on a phosphor. 제2항에 있어서, 실리카층은 투과율이 30∼40%이고 두께 600∼1200Å가 되도록 코팅함을 특징으로 하는 칼라 음극선관의 제조방법.The method for producing a color cathode ray tube according to claim 2, wherein the silica layer is coated to have a transmittance of 30 to 40% and a thickness of 600 to 1200 GPa. 제2항 또는 제3항에 있어서, 실리카층 형성은 브라운관 표면을 40∼60℃로 예열한 다음, 40∼70℃로 가열된 실리카 졸 용액을 70∼150rpm로 회전시켜 스핀 코팅한 후, 160∼190℃로 구워 건조 시킴을 특징으로 하는 칼라 음극선관의 제조방법.The method of claim 2 or 3, wherein the silica layer is formed by preheating the CRT surface to 40 to 60 DEG C, followed by spin coating the silica sol solution heated to 40 to 70 DEG C at 70 to 150 rpm, followed by spin coating. Method for producing a color cathode ray tube, characterized in that baked at 190 ℃ dried. 제2항에 있어서, 실리카층은 면 저항이 108Ω/이하가 되도록 형성함을 특징으로 하는 칼라 음극선관의 제조방법.The method of claim 2, wherein the silica layer has a sheet resistance of 10 8 kW / A method for producing a color cathode ray tube, characterized in that formed below. 제2항에 있어서, 흑색층은 실리카 졸 용액 또는 TiO2졸 용액에 흑색 안료를 넣어서 형성함을 특징으로 하는 칼라 음극선관의 제조방법.The method of claim 2, wherein the black layer is formed by adding a black pigment to a silica sol solution or a TiO 2 sol solution. 제2항 또는 제6항에 있어서, 흑색층은 투과율이 35∼40%이고 두께가 600∼1200Å로 되도록 스핀 코팅함을 특징으로 하는 칼라 음극선관의 제조방법.The method for producing a color cathode ray tube according to claim 2 or 6, wherein the black layer is spin-coated such that the transmittance is 35 to 40% and the thickness is 600 to 1200 GPa. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940019814A 1994-08-11 1994-08-11 The structure and fabricating method of the color crt KR0151209B1 (en)

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KR1019940019814A KR0151209B1 (en) 1994-08-11 1994-08-11 The structure and fabricating method of the color crt

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980022934A (en) * 1996-09-24 1998-07-06 손욱 Method of forming antistatic film for color improvement of cathode ray tube
KR100652040B1 (en) * 2000-12-29 2006-11-30 엘지.필립스 엘시디 주식회사 Etching Device of Glass Substrate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980022934A (en) * 1996-09-24 1998-07-06 손욱 Method of forming antistatic film for color improvement of cathode ray tube
KR100652040B1 (en) * 2000-12-29 2006-11-30 엘지.필립스 엘시디 주식회사 Etching Device of Glass Substrate

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Publication number Publication date
KR0151209B1 (en) 1998-10-01

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