Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2006-05-19
2009-12-08
Heyman, John (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S096000, C349S110000, C349S113000, C349S201000
Reexamination Certificate
active
07630027
ABSTRACT:
The invention is directed to the higher contrast in a display device with a lighting device as a front light and a reflective LCD. A lighting device is disposed, being opposed to a front surface of a reflective electrode of a reflective LCD. An organic EL element layer including an anode, a cathode patterned into stripes, and an organic layer is formed in the lighting device. A region of the organic layer corresponding to the cathode serves as an emissive region. A light shield layer is formed covering the cathode. Furthermore, a diffraction grating made of an aluminum layer and having a plurality of fine slits formed by patterning is disposed on the reflective LCD, as a polarizing layer that can be formed thinner as much as possible.
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Epson Imaging Devices Corporation
Heyman John
Morrison & Foerster / LLP
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