OLED display with composite photosensor

Details OLED display with composite photosensor OLED display with composite photosensor

2007-10-30

2007-10-30

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C345S081000, C257S080000

Reexamination Certificate

active

10839616

ABSTRACT:
An OLED display and photo-sensor is described, comprising: a substrate; a composite light sensor made up of a plurality of individual thin-film light sensitive elements located over the substrate and connected in parallel to provide a common signal; a first transparent electrode located over the composite light sensor; one or more organic layers comprising an OLED located on the transparent electrode and emitting light through the transparent electrode and to the composite light sensor; and a second electrode located on the one or more organic layers comprising an OLED. The OLED display device provides a means to measure the light output of the OLED display device while maximizing the light output and is useful in measuring incident ambient illumination.

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patent: 1 467 408 (2004-10-01), None
patent: WO 03/038798 (2003-05-01), None

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