FR2350547A2 - Flexible luminescent film - made from mineral powder and binder, for emission devices etc. - Google Patents

Flexible luminescent film - made from mineral powder and binder, for emission devices etc.

Info

Publication number
FR2350547A2
FR2350547A2 FR7614194A FR7614194A FR2350547A2 FR 2350547 A2 FR2350547 A2 FR 2350547A2 FR 7614194 A FR7614194 A FR 7614194A FR 7614194 A FR7614194 A FR 7614194A FR 2350547 A2 FR2350547 A2 FR 2350547A2
Authority
FR
France
Prior art keywords
binder
emission devices
luminescent film
mineral powder
powder
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
FR7614194A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7614194A priority Critical patent/FR2350547A2/en
Priority to IT2344376A priority patent/IT1062965B/en
Publication of FR2350547A2 publication Critical patent/FR2350547A2/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Luminescent Compositions (AREA)
  • Paints Or Removers (AREA)

Abstract

Flexible luminescent film which has the characteristic of transmitting visible light from one face when the opposite face is irradiated e.g. by uv, is made from a dispersion of luminescent powder in a binder. Pref. the powder is of mineral origin esp. mixed (Zn, Cd)S activated by Ag and/or organic/pigments. The binder is a neutral filmogenic soln. (neither acid nor alkaline), forming films transparent to visible and uv. radiation, and insol., in aqs. polyvinyl acetate soln or cellulose acetate in methyl ethyl ketone. The films are used in emission devices for interior displays, luminous articles of furniture, information strips etc., and are simple and economical to produce as uniform prods. of constant characteristics.
FR7614194A 1975-05-23 1976-05-07 Flexible luminescent film - made from mineral powder and binder, for emission devices etc. Pending FR2350547A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7614194A FR2350547A2 (en) 1976-05-07 1976-05-07 Flexible luminescent film - made from mineral powder and binder, for emission devices etc.
IT2344376A IT1062965B (en) 1975-05-23 1976-05-20 Flexible luminescent film - made from mineral powder and binder, for emission devices etc.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7614194A FR2350547A2 (en) 1976-05-07 1976-05-07 Flexible luminescent film - made from mineral powder and binder, for emission devices etc.

Publications (1)

Publication Number Publication Date
FR2350547A2 true FR2350547A2 (en) 1977-12-02

Family

ID=9172993

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7614194A Pending FR2350547A2 (en) 1975-05-23 1976-05-07 Flexible luminescent film - made from mineral powder and binder, for emission devices etc.

Country Status (1)

Country Link
FR (1) FR2350547A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934140A1 (en) * 1979-08-23 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Variable output high intensity light source - uses reflectively coated fluorescent collectors connected to light guides terminating at concentration point
EP0522785A2 (en) * 1991-07-06 1993-01-13 Pilkington Plc Phosphorescent panel
EP0661494A1 (en) * 1993-12-28 1995-07-05 LINTEC Corporation A method of manufacturing a luminous sheet radiating florescence upon irradiation of ultraviolet rays

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934140A1 (en) * 1979-08-23 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Variable output high intensity light source - uses reflectively coated fluorescent collectors connected to light guides terminating at concentration point
EP0522785A2 (en) * 1991-07-06 1993-01-13 Pilkington Plc Phosphorescent panel
EP0522785A3 (en) * 1991-07-06 1993-05-12 Pilkington Plc Phosphorescent panel
EP0661494A1 (en) * 1993-12-28 1995-07-05 LINTEC Corporation A method of manufacturing a luminous sheet radiating florescence upon irradiation of ultraviolet rays
US5645663A (en) * 1993-12-28 1997-07-08 Lintec Corporation Method of manufacturing a luminous sheet radiating flourescence upon irradiation of ultraviolet rays

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