DK77348C - Light screen. - Google Patents

Light screen.

Info

Publication number
DK77348C
DK77348C DK109947A DK109947A DK77348C DK 77348 C DK77348 C DK 77348C DK 109947 A DK109947 A DK 109947A DK 109947 A DK109947 A DK 109947A DK 77348 C DK77348 C DK 77348C
Authority
DK
Denmark
Prior art keywords
light screen
screen
light
Prior art date
Application number
DK109947A
Other languages
Danish (da)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK77348C publication Critical patent/DK77348C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
    • C09K11/7464—Phosphates
    • C09K11/7471—Phosphates with alkaline earth metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
    • C09K11/7464—Phosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
DK109947A 1946-03-18 1947-03-15 Light screen. DK77348C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL681142X 1946-03-18

Publications (1)

Publication Number Publication Date
DK77348C true DK77348C (en) 1954-04-05

Family

ID=19804336

Family Applications (1)

Application Number Title Priority Date Filing Date
DK109947A DK77348C (en) 1946-03-18 1947-03-15 Light screen.

Country Status (5)

Country Link
CH (2) CH263127A (en)
DE (1) DE809277C (en)
DK (1) DK77348C (en)
FR (1) FR943371A (en)
GB (1) GB681142A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012011B (en) * 1953-06-30 1957-07-11 Gen Electric Process for producing a calcium pyrophosphate phosphor

Also Published As

Publication number Publication date
CH263135A (en) 1949-08-15
GB681142A (en) 1952-10-22
FR943371A (en) 1949-03-07
CH263127A (en) 1949-08-15
DE809277C (en) 1951-07-26

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