Liquid crystal display apparatus having reflective layer
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Abstract
A reflective layer for reflecting light incident from a second substrate side and transmitting through a second electrode made of ITO or the like is formed above a first substrate, a switching element provided for each pixel, and an insulating film covering the switching element, the reflective layer being insulated from the switching element. A first electrode having a work function similar to the second electrode and made of a transparent conductive material such as ITO is formed more proximate to a liquid crystal layer than is the reflective layer and is connected to the switching element. The thickness of the first electrode is set to 100 Å or less or in a range approximately from 750 Å to 1250 Å. Alternatively, the switching element maybe connected to the reflective electrode, the first electrode and the reflective electrode which are formed with an insulating film therebetween may be capacitively coupled, and the first electrode may be driven by the reflective electrode via the capacitor.
35 Citations
32 Claims
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1-27. -27. (canceled)
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28. A light emitting display apparatus comprising an emissive element formed on a primary surface side of a substrate and having a structure of a first electrode, an emissive element layer, and a second electrode formed in that order from the substrate, wherein
a reflective layer for reflecting light incident from the emissive element layer or from the second electrode side is provided between the first electrode made of a transparent conductive material and the substrate; - and
the thickness of the transparent first electrode is in a range from 750 Å
to 1250 Å
. - View Dependent Claims (29)
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30. A light emitting display apparatus comprising an emissive element formed on a primary surface side of a substrate and having a structure of a first electrode, an emissive element layer, and a second electrode formed in that order from the substrate, wherein
the first electrode is a transparent electrode made of a transparent conductive material; -
a reflective layer for reflecting light incident from the emissive element layer or from the second substrate side is provided between the transparent electrode and the substrate; and
the thickness of the transparent electrode is in a range from 1 Å
to 100 Å
. - View Dependent Claims (31)
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32. A light emitting display apparatus comprising an emissive element formed on a primary surface side of a substrate and having a first electrode, an emissive element layer, and a second electrode, wherein
a reflective layer for reflecting light incident from the emissive element layer or from the second electrode side is formed above the substrate as a first electrode; -
a transparent electrode made of a transparent conductive material and having a thickness in a range from 1 Å
to 100 Å
is formed to cover the reflective layer;
a switching element corresponding to each pixel is provided between the reflective layer and the substrate;
the switching element is connected to the reflective layer constituting the first electrode;
an insulating film is formed between the reflective layer and the transparent electrode;
the transparent electrode is capacitively coupled to the reflective layer via the insulating film; and
a voltage supplied from the switching element to the reflective layer is applied to the transparent electrode via a capacitor formed of the reflective electrode and the transparent electrode disposed with the insulating film therebetween.
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Specification