JPS5490961A - Cathode ray tube - Google Patents

Cathode ray tube

Info

Publication number
JPS5490961A
JPS5490961A JP14363178A JP14363178A JPS5490961A JP S5490961 A JPS5490961 A JP S5490961A JP 14363178 A JP14363178 A JP 14363178A JP 14363178 A JP14363178 A JP 14363178A JP S5490961 A JPS5490961 A JP S5490961A
Authority
JP
Japan
Prior art keywords
pigment
fluorescent
substance
coating
face plate
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP14363178A
Other languages
Japanese (ja)
Inventor
Masamichi Kimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP14363178A priority Critical patent/JPS5490961A/en
Publication of JPS5490961A publication Critical patent/JPS5490961A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To avoid the reflection of external light and to increase the contrast, by coating the fluoredcent substance mixed with pigment at the back of the face plate in which the surface is coarse.
CONSTITUTION: The surface of the face plate 3 of the glass bulb is frost-processed and the fluorescent film consisting of the fluorescent substance particles 5 and the pigment coating them is uniformly coated on the internal surface. For example, if mono-color fluorescent substance with green illumination as fluorescent substance particles is used, when green substance such as chromium trioxide is used as the pigment, the illumination from the fluorescent particles transmits the pigment and light other than green color among external light is absorbed, then establishing good contrast. Thus, the coating of the fluorescent substance 5 mixed with the pigment 6 at the back of the face plate 3 prevents the reflection of external light and sufficiently increases the contrast.
COPYRIGHT: (C)1979,JPO&Japio
JP14363178A 1978-11-20 1978-11-20 Cathode ray tube Pending JPS5490961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14363178A JPS5490961A (en) 1978-11-20 1978-11-20 Cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14363178A JPS5490961A (en) 1978-11-20 1978-11-20 Cathode ray tube

Publications (1)

Publication Number Publication Date
JPS5490961A true JPS5490961A (en) 1979-07-19

Family

ID=15343239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14363178A Pending JPS5490961A (en) 1978-11-20 1978-11-20 Cathode ray tube

Country Status (1)

Country Link
JP (1) JPS5490961A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897244A (en) * 1981-12-04 1983-06-09 Matsushita Electronics Corp Color picture tube
JPS62150636A (en) * 1985-12-24 1987-07-04 Mitsubishi Electric Corp Matrix type cathode-ray tube

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211754A (en) * 1975-07-17 1977-01-28 Nippon Electric Glass Co Ltd Panel for television tube
JPS52107768A (en) * 1976-03-08 1977-09-09 Toshiba Corp Color picture tube

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211754A (en) * 1975-07-17 1977-01-28 Nippon Electric Glass Co Ltd Panel for television tube
JPS52107768A (en) * 1976-03-08 1977-09-09 Toshiba Corp Color picture tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897244A (en) * 1981-12-04 1983-06-09 Matsushita Electronics Corp Color picture tube
JPS62150636A (en) * 1985-12-24 1987-07-04 Mitsubishi Electric Corp Matrix type cathode-ray tube

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