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Liquid crystal display device viewable from both surfaces and portable apparatus using same

  • US 20060012736A1
  • Filed: 10/24/2003
  • Published: 01/19/2006
  • Est. Priority Date: 10/29/2002
  • Status: Abandoned Application
First Claim
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1. A liquid crystal display device comprising:

  • a first substrate (3) and a second substrate (4) which are arranged so as to oppose to each other;

    at least one first electrode (6) which is formed on one of opposing internal surfaces of said first substrate (3) and said second substrate (4);

    a plurality of second electrodes (7) which are formed on the other of the opposing internal surfaces of said first substrate (3) and said second substrate (4), and which form a plurality of pixels (80) arranged in a matrix in an area opposing to said first electrode (6) on the one internal surface;

    a liquid crystal layer (5) which is sealed in a predetermined gap between said first substrate (3) and said second substrate (4);

    a pair of polarizing plates (16, 17) which are arranged so as to sandwich said first substrate (3) and said second substrate (4);

    reflection/permeation means (10,14,15) which is provided between said liquid crystal layer (5) and one of said pair of polarizing plates (16, 17), and which reflects a part of a light coming to each of said plurality of pixels (80) and lets the other part of the light permeate said reflection/permeation means; and

    a surface light source (25) which is arranged so as to oppose to the other of said pair of polarizing plates (16, 17), and which emits a light toward said opposing other polarizing plate (16), and lets lights coming to said surface light source (25) from a side of the opposing other polarizing plate (16) and from a side opposing to this side permeate said surface light source (25).

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