FR2346934B1 - - Google Patents
Info
- Publication number
- FR2346934B1 FR2346934B1 FR7709784A FR7709784A FR2346934B1 FR 2346934 B1 FR2346934 B1 FR 2346934B1 FR 7709784 A FR7709784 A FR 7709784A FR 7709784 A FR7709784 A FR 7709784A FR 2346934 B1 FR2346934 B1 FR 2346934B1
- Authority
- FR
- France
- 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.)
- Expired
Links
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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/42—Antiparallel configurations
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
- G09F2013/227—Electroluminescent displays for vehicles
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2613647A DE2613647C3 (de) | 1976-03-31 | 1976-03-31 | Ansteuerschaltung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2346934A1 FR2346934A1 (fr) | 1977-10-28 |
FR2346934B1 true FR2346934B1 (fr) | 1983-10-28 |
Family
ID=5973911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7709784A Granted FR2346934A1 (fr) | 1976-03-31 | 1977-03-31 | Montage de composants a semiconducteurs electroluminescents, notamment pour des affichages analogiques |
Country Status (4)
Country | Link |
---|---|
US (1) | US4183021A (fr) |
JP (1) | JPS52120700A (fr) |
DE (1) | DE2613647C3 (fr) |
FR (1) | FR2346934A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2456359A1 (fr) * | 1979-05-11 | 1980-12-05 | Renault | Dispositif d'affichage pour tableau de bord d'un vehicule automobile |
DE3008565A1 (de) * | 1980-03-06 | 1981-09-17 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur darstellung von information mit lichtemittierenden dioden |
DE3012995C2 (de) * | 1980-04-03 | 1982-08-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anzeigevorrichtung mit matrixartig angeordneten lichtemittierenden Dioden |
US4321598A (en) * | 1980-07-21 | 1982-03-23 | The Singer Company | Double density display drive system |
GB2129642B (en) * | 1982-11-05 | 1986-09-10 | British Library Board | Focus detection |
JPS61262792A (ja) * | 1985-05-17 | 1986-11-20 | 松下電器産業株式会社 | レベルメ−タのダイナミツク駆動装置 |
AT384916B (de) * | 1986-01-17 | 1988-01-25 | Siemens Ag Oesterreich | Zusatzschaltung fuer in serie liegende infrarotdioden |
DE3931262A1 (de) * | 1989-09-19 | 1991-03-28 | Siemens Ag | Monolithisch integrierte led-anordnung in zeilenform |
US5248962A (en) * | 1991-07-18 | 1993-09-28 | Sony Corporation Of America | Display driver providing positive off-states |
JP4801927B2 (ja) * | 2005-04-22 | 2011-10-26 | オンセミコンダクター・トレーディング・リミテッド | 発光素子駆動制御装置、発光素子駆動装置 |
ITBS20050088A1 (it) * | 2005-07-15 | 2007-01-16 | Aesys S P A | Circuito elettronico e metodo per il pilotaggio dinamico di sorgenti luminose in pannelli informativi a messaggio variabile |
US20080191967A1 (en) * | 2007-02-12 | 2008-08-14 | Karl Spyros Papadantonakis | Passive display with planar interconnect |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3221170A (en) * | 1963-01-28 | 1965-11-30 | Bendix Corp | Electroluminescent-photoconductor means for lighted column display |
JPS542116B1 (fr) * | 1971-06-26 | 1979-02-02 | ||
US3795830A (en) * | 1972-08-17 | 1974-03-05 | Shelton J | Led slidebase switchboard lamp |
FR2214394A5 (fr) * | 1973-01-17 | 1974-08-09 | Sintra | |
US3835465A (en) * | 1973-02-28 | 1974-09-10 | Rockwell International Corp | Liquid crystal bar graph display |
DE2331660B2 (de) * | 1973-06-22 | 1977-02-03 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur anzeige einer gleichspannung mittels elektro- optischer anzeigeelemente |
US4011557A (en) * | 1973-08-23 | 1977-03-08 | Ebauches S.A. | Device in a time piece for feeding an electro-luminescent display |
US3873979A (en) * | 1973-09-28 | 1975-03-25 | Monsanto Co | Luminescent solid state status indicator |
FR2299757A1 (fr) * | 1975-01-31 | 1976-08-27 | Alsthom Cgee | Controle automatique des thyristors en fonctionnement |
US4077032A (en) * | 1976-01-07 | 1978-02-28 | Volkman S Alan | Electronic display apparatus |
FR2350034A1 (fr) * | 1976-04-26 | 1977-11-25 | Gaillard Jean | Utilisation de voyants electroluminescents semi-conducteurs pour feux de signalisation verts, jaunes ou rouges |
-
1976
- 1976-03-31 DE DE2613647A patent/DE2613647C3/de not_active Expired
-
1977
- 1977-03-29 US US05/782,546 patent/US4183021A/en not_active Expired - Lifetime
- 1977-03-30 JP JP3604077A patent/JPS52120700A/ja active Pending
- 1977-03-31 FR FR7709784A patent/FR2346934A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2613647B2 (de) | 1981-01-22 |
US4183021A (en) | 1980-01-08 |
DE2613647A1 (de) | 1977-10-06 |
DE2613647C3 (de) | 1981-08-27 |
JPS52120700A (en) | 1977-10-11 |
FR2346934A1 (fr) | 1977-10-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |