JPS57136743A - Color cathode-ray tube - Google Patents

Color cathode-ray tube

Info

Publication number
JPS57136743A
JPS57136743A JP2247781A JP2247781A JPS57136743A JP S57136743 A JPS57136743 A JP S57136743A JP 2247781 A JP2247781 A JP 2247781A JP 2247781 A JP2247781 A JP 2247781A JP S57136743 A JPS57136743 A JP S57136743A
Authority
JP
Japan
Prior art keywords
red
y2o2s
nd2o3
fluorescent screen
color
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
JP2247781A
Other languages
Japanese (ja)
Inventor
Yasuo Iwasaki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2247781A priority Critical patent/JPS57136743A/en
Priority to GB8202538A priority patent/GB2093269B/en
Priority to KR8200543A priority patent/KR870001634B1/en
Priority to DE19823205031 priority patent/DE3205031A1/en
Publication of JPS57136743A publication Critical patent/JPS57136743A/en
Pending legal-status Critical Current

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
    • H01J29/24—Supports for luminescent material

Landscapes

  • Luminescent Compositions (AREA)

Abstract

PURPOSE:To increase the basic performance of a color cathode-ray tube, and reduce the cost of the tube by using Y2O2S:Eu phosphor containing a given amount of Eu used as an activator as a red-color emitting phosphor element for the fluorescent screen of a face plate glass containing an appropriate amount of Nd2O3. CONSTITUTION:A face plate glass 1 contains an appropriate amount of Nd2O3 so that its spectral transmissivity curve corresponds to that of glass containing 0.3-1.5wt% of Nd2O3, when its thickness is 10mm.. Then, a fluorescent screen consisting of a trichromatic phosphor element group 2 (red R, green G and blue B) is provided on the inner wall of the glass 1. Here, as the red-color emitting phosphor element of the fluorescent screen, Y2O2S:Eu phosphor consisting of Y2O2S and Eu used as an activator in a ratio of 1mol to 0.04-0.08g-atomic weight is used. By the means mentioned above, red-colored emissions with a color tone more than the equivalent to the conventional one can be obtained by using a decreased amount of expensive Eu.
JP2247781A 1981-02-17 1981-02-17 Color cathode-ray tube Pending JPS57136743A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2247781A JPS57136743A (en) 1981-02-17 1981-02-17 Color cathode-ray tube
GB8202538A GB2093269B (en) 1981-02-17 1982-01-29 Color cathode ray tube
KR8200543A KR870001634B1 (en) 1981-02-17 1982-02-09 Color crt
DE19823205031 DE3205031A1 (en) 1981-02-17 1982-02-12 COLOR CATHODE RAY TUBES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2247781A JPS57136743A (en) 1981-02-17 1981-02-17 Color cathode-ray tube

Publications (1)

Publication Number Publication Date
JPS57136743A true JPS57136743A (en) 1982-08-23

Family

ID=12083793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2247781A Pending JPS57136743A (en) 1981-02-17 1981-02-17 Color cathode-ray tube

Country Status (1)

Country Link
JP (1) JPS57136743A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021192681A1 (en) * 2020-03-27 2021-09-30 日亜化学工業株式会社 Light-emitting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021192681A1 (en) * 2020-03-27 2021-09-30 日亜化学工業株式会社 Light-emitting device
JP2021158275A (en) * 2020-03-27 2021-10-07 日亜化学工業株式会社 Light-emitting device

Similar Documents

Publication Publication Date Title
GB1154500A (en) Spectral Filter
JPS57136743A (en) Color cathode-ray tube
JPS53119287A (en) Fluorescent substance
CA2082961A1 (en) Color picture tube
JPS57136742A (en) Color cathode-ray tube
GB1168296A (en) Colour Picture Display Device
JPS5790851A (en) Cathode ray tube
JPS57134848A (en) Cathode-ray tube
JPS5727541A (en) Index system thin type color cathode-ray tube
ES369010A1 (en) Nio and coo containing glass for television display cathode-ray tubes
JPS57126050A (en) Panel glass for color cathode-ray tube
JPS5641649A (en) Cathode ray tube for color television set
JPS5334689A (en) Pigment-attached fluorescent substance
JPS643946A (en) Cathode-ray tube device for green luminescence projection
JPS57185656A (en) Standard-color cathode-ray tube
JPS5239363A (en) Color cathode ray tube
GB867096A (en) Improvements in or relating to cathode-ray tubes
JPS52133092A (en) Gas discharge luminous element
JPS5432260A (en) Color receiving tube
JPS56168324A (en) Color cathode-ray tube
JPS5224172A (en) Fluorescent substance of cathode-ray tube
JPS5711456A (en) Cathode-ray tube
JPS57132644A (en) Color cathode-ray tube
JPS57126052A (en) Cathode-ray tube
JPS56116253A (en) Color cathode ray tube