Global Patent Index - EP 2938699 A1

EP 2938699 A1 20151104 - YELLOW-GREEN TO YELLOW-EMITTING PHOSPHORS BASED ON TERBIUM-CONTAINING ALUMINATES

Title (en)

YELLOW-GREEN TO YELLOW-EMITTING PHOSPHORS BASED ON TERBIUM-CONTAINING ALUMINATES

Title (de)

GELBGRÜNE BIS GELBE LEUCHTSTOFFE AUF BASIS TERBIUMHALTIGER ALUMINATE

Title (fr)

LUMINOPHORES ÉMETTANT DU JAUNE-VERT AU JAUNE À BASE D'ALUMINATES CONTENANT DU TERBIUM

Publication

EP 2938699 A1 20151104 (EN)

Application

EP 12890913 A 20121228

Priority

CN 2012087751 W 20121228

Abstract (en)

[origin: WO2014101073A1] Yellow-green to yellow-emitting, lutetium aluminate-based terbium (Tb) containing phosphors for use in white LEDs, general lighting, and LED and backlighting displays are disclosed herein. The phosphor may further contain gadolinium (Gd). The phosphor comprises a cerium-activated, yellow-green to yellow-emitting lutetium aluminate-based phosphor having the formula (Lu1-xAx)3Al5O12:Ce wherein A is at least one of Gd and Tb and 0.1≤ x ≤ 1.0, wherein the phosphor is configured to emit light having a peak emission wavelength ranging from about 550 nm to about 565 nm, and wherein the phosphor contains at least some Tb.

IPC 8 full level

C09K 11/80 (2006.01); H05B 33/14 (2006.01)

CPC (source: EP US)

C09K 11/7774 (2013.01 - EP US); H05B 33/14 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2014101073 A1 20140703; CN 104870607 A 20150826; EP 2938699 A1 20151104; EP 2938699 A4 20160824; JP 2016508174 A 20160317; KR 20150100724 A 20150902; TW 201432026 A 20140816

DOCDB simple family (application)

CN 2012087751 W 20121228; CN 201280077930 A 20121228; EP 12890913 A 20121228; JP 2015549923 A 20121228; KR 20157018508 A 20121228; TW 102147621 A 20131220