JPS5514676A - Exposure of fluorescent surface of color cathode ray tube - Google Patents

Exposure of fluorescent surface of color cathode ray tube

Info

Publication number
JPS5514676A
JPS5514676A JP8758278A JP8758278A JPS5514676A JP S5514676 A JPS5514676 A JP S5514676A JP 8758278 A JP8758278 A JP 8758278A JP 8758278 A JP8758278 A JP 8758278A JP S5514676 A JPS5514676 A JP S5514676A
Authority
JP
Japan
Prior art keywords
exposure
positions
longitudinal direction
fluorescent
row
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
JP8758278A
Other languages
Japanese (ja)
Other versions
JPS5845775B2 (en
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 JP8758278A priority Critical patent/JPS5845775B2/en
Publication of JPS5514676A publication Critical patent/JPS5514676A/en
Publication of JPS5845775B2 publication Critical patent/JPS5845775B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

PURPOSE: To enable the white colar curent ratio to change by exposing one or more rows of three colors of fluorescent elements with the light passing through a hole row different from the one in the longitudinal direction to be used for exciting luminescence in operation.
CONSTITUTION: The positions b and r of a linear light source 6 at the exposure of fluorescent elements B and R is replaced with each other around another position g and the distances between the positions g and b and between the positions r and g are set twice as large as the distance S. When exposure is carried out on the photo resistive film 4 under this condition, no change occurs in the exposure of the fluorescent element G whereas the exposure is carried out with respect to the fluorecent elements B and R by the light passing through a row of holes 7 in the longitudinal direction of a slot type shadow mask 5. With respect to the outer rows of holes 7 the exposure is displaced by a half pitch, by which the hole row in the longitudinal direction is displaced from the row through which the light passes in the exposure of the fluorescent element G.
COPYRIGHT: (C)1980,JPO&Japio
JP8758278A 1978-07-17 1978-07-17 How to expose the fluorescent surface of a color cathode ray tube Expired JPS5845775B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8758278A JPS5845775B2 (en) 1978-07-17 1978-07-17 How to expose the fluorescent surface of a color cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8758278A JPS5845775B2 (en) 1978-07-17 1978-07-17 How to expose the fluorescent surface of a color cathode ray tube

Publications (2)

Publication Number Publication Date
JPS5514676A true JPS5514676A (en) 1980-02-01
JPS5845775B2 JPS5845775B2 (en) 1983-10-12

Family

ID=13918985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8758278A Expired JPS5845775B2 (en) 1978-07-17 1978-07-17 How to expose the fluorescent surface of a color cathode ray tube

Country Status (1)

Country Link
JP (1) JPS5845775B2 (en)

Also Published As

Publication number Publication date
JPS5845775B2 (en) 1983-10-12

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