FR2466497A1 - Nouveaux depots luminescents, leur preparation et leurs applications - Google Patents
Nouveaux depots luminescents, leur preparation et leurs applications Download PDFInfo
- Publication number
- FR2466497A1 FR2466497A1 FR7924927A FR7924927A FR2466497A1 FR 2466497 A1 FR2466497 A1 FR 2466497A1 FR 7924927 A FR7924927 A FR 7924927A FR 7924927 A FR7924927 A FR 7924927A FR 2466497 A1 FR2466497 A1 FR 2466497A1
- Authority
- FR
- France
- Prior art keywords
- luminescent
- deposit
- atom
- matrix
- zns
- 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
Links
- 229910052693 Europium Inorganic materials 0.000 title claims abstract description 9
- 229910052771 Terbium Inorganic materials 0.000 title claims abstract description 9
- 229910052727 yttrium Inorganic materials 0.000 title claims abstract description 9
- 229910052775 Thulium Inorganic materials 0.000 title claims abstract description 8
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 title claims description 11
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 title claims description 6
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 title claims description 6
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 title claims description 6
- 239000005083 Zinc sulfide Substances 0.000 title description 4
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 title description 4
- 230000000007 visual effect Effects 0.000 title 1
- 239000011159 matrix material Substances 0.000 claims abstract description 21
- BHHYHSUAOQUXJK-UHFFFAOYSA-L zinc fluoride Chemical compound F[Zn]F BHHYHSUAOQUXJK-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004544 sputter deposition Methods 0.000 claims abstract description 10
- LVEULQCPJDDSLD-UHFFFAOYSA-L cadmium fluoride Chemical compound F[Cd]F LVEULQCPJDDSLD-UHFFFAOYSA-L 0.000 claims abstract description 8
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 8
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052786 argon Inorganic materials 0.000 claims abstract description 5
- 229910052711 selenium Inorganic materials 0.000 claims abstract description 5
- 229910052692 Dysprosium Inorganic materials 0.000 claims abstract description 4
- 229910052691 Erbium Inorganic materials 0.000 claims abstract description 4
- 229910052689 Holmium Inorganic materials 0.000 claims abstract description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 4
- 229910052772 Samarium Inorganic materials 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 14
- 125000004429 atom Chemical group 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 5
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical group [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 4
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 3
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 3
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 3
- GVGXPXPGZLUONX-UHFFFAOYSA-N samarium Chemical compound [Sm][Sm][Sm][Sm][Sm][Sm][Sm][Sm][Sm][Sm][Sm][Sm][Sm][Sm] GVGXPXPGZLUONX-UHFFFAOYSA-N 0.000 claims description 3
- 229940081991 samarium Drugs 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000008188 pellet Substances 0.000 claims description 2
- ZIJTYIRGFVHPHZ-UHFFFAOYSA-N selenium oxide(seo) Chemical compound [Se]=O ZIJTYIRGFVHPHZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 125000004434 sulfur atom Chemical group 0.000 claims description 2
- 229940059947 gadolinium Drugs 0.000 claims 2
- COTBQTYWUQUTDW-UHFFFAOYSA-N europium Chemical compound [Eu].[Eu].[Eu] COTBQTYWUQUTDW-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- DKWSBNMUWZBREO-UHFFFAOYSA-N terbium Chemical compound [Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb][Tb] DKWSBNMUWZBREO-UHFFFAOYSA-N 0.000 claims 1
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical group [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 claims 1
- PRZWBGYJMNFKBT-UHFFFAOYSA-N yttrium Chemical compound [Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y] PRZWBGYJMNFKBT-UHFFFAOYSA-N 0.000 claims 1
- 239000011261 inert gas Substances 0.000 abstract description 5
- 239000005864 Sulphur Substances 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 150000002602 lanthanoids Chemical class 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 229910052747 lanthanoid Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000003346 selenoethers Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- -1 rare earth fluorides Chemical class 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- 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
-
- 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
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7767—Chalcogenides
- C09K11/7769—Oxides
- C09K11/7771—Oxysulfides
-
- 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
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7784—Chalcogenides
- C09K11/7787—Oxides
- C09K11/7789—Oxysulfides
-
- 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
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
- C09K11/886—Chalcogenides with rare earth metals
-
- 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
- H01J29/20—Luminescent screens characterised by the luminescent material
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7924927A FR2466497A1 (fr) | 1979-10-05 | 1979-10-05 | Nouveaux depots luminescents, leur preparation et leurs applications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7924927A FR2466497A1 (fr) | 1979-10-05 | 1979-10-05 | Nouveaux depots luminescents, leur preparation et leurs applications |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2466497A1 true FR2466497A1 (fr) | 1981-04-10 |
| FR2466497B1 FR2466497B1 (enExample) | 1983-08-19 |
Family
ID=9230403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7924927A Granted FR2466497A1 (fr) | 1979-10-05 | 1979-10-05 | Nouveaux depots luminescents, leur preparation et leurs applications |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2466497A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2647803A1 (fr) * | 1989-05-30 | 1990-12-07 | Thomson Tubes Electroniques | Materiau luminescent a base d'oxysulfure de lanthane pour ecran de tube cathodique utilisable dans des dispositifs holographiques |
| US6632583B2 (en) * | 1999-12-07 | 2003-10-14 | Mitsubishi Chemical Corporation | Optical recording medium and production method of the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2167535A5 (enExample) * | 1972-01-11 | 1973-08-24 | United States Radium Corp | |
| US4119562A (en) * | 1975-05-12 | 1978-10-10 | Dai Nippon Toryo Co. Ltd. | Fluorescent compositions |
-
1979
- 1979-10-05 FR FR7924927A patent/FR2466497A1/fr active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2167535A5 (enExample) * | 1972-01-11 | 1973-08-24 | United States Radium Corp | |
| US4119562A (en) * | 1975-05-12 | 1978-10-10 | Dai Nippon Toryo Co. Ltd. | Fluorescent compositions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2647803A1 (fr) * | 1989-05-30 | 1990-12-07 | Thomson Tubes Electroniques | Materiau luminescent a base d'oxysulfure de lanthane pour ecran de tube cathodique utilisable dans des dispositifs holographiques |
| US6632583B2 (en) * | 1999-12-07 | 2003-10-14 | Mitsubishi Chemical Corporation | Optical recording medium and production method of the same |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2466497B1 (enExample) | 1983-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2745584A1 (fr) | Luminophore et son procede de fabrication | |
| US8089061B2 (en) | Quantum dot inorganic electroluminescent device | |
| Dong et al. | 20.2: ultra‐bright, highly efficient, low roll‐off inverted quantum‐dot light emitting devices (QLEDs) | |
| EP2297384B1 (fr) | Procédé de préparation de nanocristaux luminescents | |
| FR2745955A1 (fr) | Dispositif electroluminescent et son procede de fabrication, et procede pour former un contact conducteur transparent | |
| US6919682B2 (en) | Magnesium barium thioaluminate and related phosphor materials | |
| FR2724940A1 (fr) | Luminophore et dispositif d'affichage fluorescent | |
| JPH10188840A (ja) | 電界放出ディスプレイ用発光粒子および電界放出ディスプレイ用発光層形成方法 | |
| JPH08127771A (ja) | エレクトロルミネッセンス素子及びその製造方法 | |
| EP2265690B1 (fr) | Aluminate de baryum et de magnesium submicronique, procede de preparation et utilisation comme luminophore | |
| FR2756567A1 (fr) | Films minces electroluminescents avec plusieurs dopants coactiveurs | |
| FR2644661A1 (fr) | Dispositif electroluminescent a couche mince et a grande luminance | |
| FR2715769A1 (fr) | Dispositif d'affichage fluorescent de type à émission de champ. | |
| CA2153206A1 (fr) | Utilisation d'un tantalate d'yttrium, de lutecium ou de gadolinium dope en luminescence basse tension | |
| FR2466497A1 (fr) | Nouveaux depots luminescents, leur preparation et leurs applications | |
| US6793782B2 (en) | Sputter deposition process for electroluminescent phosphors | |
| TWI755125B (zh) | 高質量全無機鈣鈦礦量子點發射極製法及其所應用的發光二極體 | |
| EP0690116A1 (fr) | Oxysulfure de terre rare, son procédé de préparation et son utilisation comme luminophore | |
| CA1136377A (fr) | Substances luminescentes a base de thiogallates d'alcalino-terreux et leur procede de preparation | |
| US7622149B2 (en) | Reactive metal sources and deposition method for thioaluminate phosphors | |
| WO2004073046A2 (en) | Compounds and solid state apparatus having electroluminescent properties | |
| WO2013102883A1 (fr) | Couche luminescente formée d'un matériau ferroélectrique luminescent polarisé pour un dispositif cathodoluminescent | |
| FR2589874A1 (fr) | Materiau phosphorescent pour affichage electroluminescent contenant du soufre | |
| EP0891686A1 (fr) | Dispositif lectroluminescent | |
| FR2464983A1 (fr) | Procede de preparation de couches luminescentes d'oxysulfures de terres rares ou d'yttrium actives, moyen pour sa mise en oeuvre et materiaux obtenus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |