Lighting device and reflective liquid crystal display with the lighting device
AssigneeSanyo Electric Co., Ltd.
InventorNorio Koma
Life of this patent
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Abstract
A lighting device lighting a display surface of a reflective LCD is disposed opposing to the display surface of the reflective LCD. This lighting device is formed by interposing an organic EL element layer between transparent substrates. The organic EL element layer is formed of an anode, a cathode, and an organic layer. The cathode is formed in a grid pattern, and a light shield layer formed into the same grid pattern as that of the cathode is formed over this cathode. It is preferable that a width of the light shield layer is larger than a width of the patterned cathode for enhancing a light shield effect.
Claims37
A lighting device illuminating an object to be observed by a viewer, comprising:
- a transparent substrate;
- an array of a light-emitting body disposed on the transparent substrate, the light emitting body comprising a viewer-side face facing the viewer and an object-side face through which light generated by the light-emitting body reaches the object;
- and
- a light shield layer disposed on the viewer-side face.
A reflective liquid crystal display comprising:
- a reflective display portion;
- a transparent substrate disposed on the reflective display portion;
- an array of a light-emitting body disposed on the transparent substrate;
- and
- a light shield layer disposed on the light-emitting body.
A liquid crystal display comprising:
- a base substrate;
- a plurality of pixel electrodes arranged on the base substrate;
- a liquid crystal layer disposed on the pixel electrodes;
- a common electrode disposed on the liquid crystal layer;
- a first transparent substrate disposed on the common electrode;
- an electrode layer disposed on the first transparent substrate;
- a light emitting layer disposed on the first electrode layer;
- a patterned electrode layer disposed on the light emitting layer;
- a patterned light shield layer disposed on the patterned electrode layer;
- and
- a second transparent substrate disposed on the patterned light shield layer.
Dependencies are inferred from the claim text.