Light emitting module

Light emitting module

A light emitting module of an embodiment comprises: (1-1)th to (1-M)th (where M is a positive integer equal to or greater than 2) light emitting elements connected with each other; (2-1)th to (2-N)th (where N is a positive integer equal to or greater than 1) light emitting elements connected in para...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Yoon, Jae Hun, Kim, Min Hak, Jeong, Seung Beom, Kim, Do Yub, Kwon, Ki Soo
Format: Patent
Sprache:eng
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
BASIC ELECTRIC ELEMENTS
BLASTING
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-PORTABLE LIGHTING DEVICES
PHYSICS
SEALS
SEMICONDUCTOR DEVICES
SIGNALLING
SYSTEMS THEREOF
TRAFFIC CONTROL SYSTEMS
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
WEAPONS
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Beschreibung
Zusammenfassung:A light emitting module of an embodiment comprises: (1-1)th to (1-M)th (where M is a positive integer equal to or greater than 2) light emitting elements connected with each other; (2-1)th to (2-N)th (where N is a positive integer equal to or greater than 1) light emitting elements connected in parallel with a (1-m)th (1≤m≤M) light emitting elements which is one of the (1-1)th to (1-M)th light emitting elements; and an on/off controller controlling to turn the (1-1)th to (1-M)th light emitting elements and (2-1)th to (2-N)th light emitting elements on or off according to a level of an operation signal. The on/off controller comprises a first on/off control unit controlling to turn the (1-m)th light emitting element and (2-1)th to (2-N)th light emitting elements on or off, and a second on/off control unit controlling to turn the remaining light emitting elements on or off, excluding the (1-m)th light emitting element from the (1-1)th to (1-M)th light emitting elements, wherein the first on/off control unit compensates for a change in a second current flowing in the (2-1)th to (2-N)th light emitting elements, depending on the temperature, in conjunction with a first current flowing in the (1-m)th light emitting element.