Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2009-08-24
2011-11-08
Robinson, Mark (Department: 2883)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S062000, C362S097300
Reexamination Certificate
active
08054415
ABSTRACT:
In described embodiments, a thin film transistor (TFT) liquid crystal display (LCD) structure incorporates a white light emitting diode (LED) structure for backlighting. White LEDs are formed behind each TFT cell, allowing for display “black” as a function of a nematic layer, on the TFT substrate, while increasing intensity of the LED LCD backlight structure. A lens structure might be formed between the LEDs and the TFT substrate to reduce a number of LED sources for a given backlight intensity.
REFERENCES:
patent: 2002/0085143 (2002-07-01), Kim et al.
patent: 2007/0291204 (2007-12-01), Otake
patent: 2009/0174837 (2009-07-01), Chang et al.
Azimi Kouros
Fratti Roger
Hughes Ian
Mobin Mohammad
Inadomi Michael
LSI Corporation
Robinson Mark
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