Global Patent Index - EP 3487265 B1

EP 3487265 B1 20220406 - LIGHTING APPARATUS FOR A DISPLAY DEVICE

Title (en)

LIGHTING APPARATUS FOR A DISPLAY DEVICE

Title (de)

BELEUCHTUNGSVORRICHTUNG FÜR ANZEIGEVORRICHTUNG

Title (fr)

APPAREIL D'ÉCLAIRAGE POUR AN DISPOSITIF D'AFFICHAGE

Publication

EP 3487265 B1 20220406 (EN)

Application

EP 17201953 A 20171115

Priority

EP 17201953 A 20171115

Abstract (en)

[origin: EP3487265A1] A lighting apparatus has a plurality of light sources (31) for emitting light. The lighting apparatus has a reflective element (33) and a photodetector (34). The light sources (31) are located at different respective locations on a surface (32). The reflective element (33) is arranged to receive light from at least two of the plurality of light sources (31) and to direct the received light to the photodetector (34). The photodetector (34) is located at a location on the surface that is between the locations of the at least two light sources (31). The lighting apparatus may be used in a display device (50), with each of the light sources being operable to generate an image for display at a screen of the display device (50).

IPC 8 full level

H05B 45/22 (2020.01)

CPC (source: EP)

H05B 45/22 (2020.01)

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

DOCDB simple family (publication)

EP 3487265 A1 20190522; EP 3487265 B1 20220406; TR 201719137 A2 20190621

DOCDB simple family (application)

EP 17201953 A 20171115; TR 201719137 A 20171129