GB8926462D0 - Shadow mask for colour cathode ray tube - Google Patents

Shadow mask for colour cathode ray tube

Info

Publication number
GB8926462D0
GB8926462D0 GB898926462A GB8926462A GB8926462D0 GB 8926462 D0 GB8926462 D0 GB 8926462D0 GB 898926462 A GB898926462 A GB 898926462A GB 8926462 A GB8926462 A GB 8926462A GB 8926462 D0 GB8926462 D0 GB 8926462D0
Authority
GB
United Kingdom
Prior art keywords
ray tube
cathode ray
shadow mask
colour cathode
colour
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.)
Granted
Application number
GB898926462A
Other versions
GB2226695B (en
GB2226695A (en
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.)
Samsung SDI Co Ltd
Original Assignee
Samsung Electron Devices Co Ltd
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 Samsung Electron Devices Co Ltd filed Critical Samsung Electron Devices Co Ltd
Publication of GB8926462D0 publication Critical patent/GB8926462D0/en
Publication of GB2226695A publication Critical patent/GB2226695A/en
Application granted granted Critical
Publication of GB2226695B publication Critical patent/GB2226695B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
    • H01J9/2272—Devices for carrying out the processes, e.g. light houses
    • 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
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
GB8926462A 1988-11-26 1989-11-23 Shadow mask for colour cathode ray tube Expired - Fee Related GB2226695B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR880019155 1988-11-26

Publications (3)

Publication Number Publication Date
GB8926462D0 true GB8926462D0 (en) 1990-01-10
GB2226695A GB2226695A (en) 1990-07-04
GB2226695B GB2226695B (en) 1993-06-16

Family

ID=19281610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8926462A Expired - Fee Related GB2226695B (en) 1988-11-26 1989-11-23 Shadow mask for colour cathode ray tube

Country Status (2)

Country Link
GB (1) GB2226695B (en)
NL (1) NL190825C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487106B1 (en) * 1990-11-22 1997-07-02 Kabushiki Kaisha Toshiba Shadow mask for color cathode ray tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947899A (en) * 1958-01-23 1960-08-02 Zenith Radio Corp Color image reproducers
US4109177A (en) * 1971-07-22 1978-08-22 Rca Corporation Cathode-ray tube having apertured mask
JPS5129635B2 (en) * 1971-09-21 1976-08-26
US3834905A (en) * 1973-05-23 1974-09-10 Rca Corp Method of making elliptically or rectangularly graded photoprinting masters
US4296189A (en) * 1979-05-24 1981-10-20 Rca Corporation Color picture tube having improved slit type shadow mask and method of making same
FR2589002B1 (en) * 1985-10-22 1994-09-23 Videocolor COLOR TELEVISION TUBE OF THE MASK TYPE AND MANUFACTURING METHOD THEREOF
US4745329A (en) * 1986-06-17 1988-05-17 Zenith Electronics Corporation Front assembly for an ultra-high resolution color cathode ray tube having an improved shadow mask compensated for diffraction and process therefor
GB8708574D0 (en) * 1987-04-10 1987-05-13 Philips Nv Colour cathode ray tube

Also Published As

Publication number Publication date
GB2226695B (en) 1993-06-16
NL190825B (en) 1994-04-05
NL8902852A (en) 1990-06-18
NL190825C (en) 1994-09-01
GB2226695A (en) 1990-07-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee