Transflective display having improved contrast
First Claim
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1. A transflective liquid crystal display device (400) comprising:
- a liquid crystal layer (412), a transflector (413), rear polarizing means (404), and a backlight (405), sandwiched in said order;
said backlight (405) being operative to emit light towards said transflector (413);
said transflector (413) being transmissive for a first part of said light and non-transmissive for a second part of said light; and
said rear polarizing means (404) being operative to transmit light having a first polarization and to reflect light having a second polarization, opposite to said first polarization;
said display device further comprising reflection preventing means (414) arranged between said transflector (413) and said reflection preventing means (414);
said reflection preventing means (414) being operative to prevent said second part of light from propagating back towards said rear polarizing means (405).
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8 Claims
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1. A transflective liquid crystal display device (400) comprising:
- a liquid crystal layer (412), a transflector (413), rear polarizing means (404), and a backlight (405), sandwiched in said order;
said backlight (405) being operative to emit light towards said transflector (413);
said transflector (413) being transmissive for a first part of said light and non-transmissive for a second part of said light; and
said rear polarizing means (404) being operative to transmit light having a first polarization and to reflect light having a second polarization, opposite to said first polarization;
said display device further comprising reflection preventing means (414) arranged between said transflector (413) and said reflection preventing means (414);
said reflection preventing means (414) being operative to prevent said second part of light from propagating back towards said rear polarizing means (405). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- a liquid crystal layer (412), a transflector (413), rear polarizing means (404), and a backlight (405), sandwiched in said order;
Specification