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US 7,190,849 B2Granted
Display device
AssigneeSeiko Epson Corporation
InventorMakoto Katase
Life of this patent
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AssigneeSeiko Epson Corporation
InventorMakoto Katase
Estimating the term…
A display device is provided having a light-emitter for emitting light depending upon predetermined display data, and a display panel having a plurality of elongated optical waveguides for conducting light entering from the light-emitter, and an addresser for extracting light from a predetermined region within the optical waveguide depending upon the predetermined display data. The addresser has column electrodes separately provided respectively for the plurality of optical waveguides and a plurality of elongated row electrodes provided to cross the column electrodes at an opposite side through the optical waveguides. Light is emitted at the predetermined region by applying a voltage to a crossing point of the column electrodes and the row electrodes.
A display device comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
For the control of the intensity, phase, polarisation or colour: in optical waveguides, not otherwise provided for in this subclass
Function characteristic: spatial light modulator
Optical waveguides: illuminating or display apparatus
Optical devices or arrangements for the control of light by modification of
Term ended 27 Jun 2025 (estimated)
This application claims priority to Japanese Patent Application No. 2004-027345 filed Feb. 3, 2004 which is hereby expressly incorporated by reference herein in its entirety.
1. Technical Field
The present invention relates to display devices.
FIG. 1 is a perspective view showing a first embodiment of a display device of the present invention.
FIGS. 2A and B are views showing a column element of a display panel depicted in FIG. 1.
FIG. 3 is an explanatory figure showing the function of the display device depicted in FIG. 1.
Now a display device of the present invention will be explained in detail based on described embodiments illustrated in the attached drawings.
First Embodiment
FIG. 1 is a perspective view showing a first embodiment of a display device in the present invention while FIG. 2 is a figure showing a column element of the display panel depicted in FIG. 1. In the same figure, (a) shows a perspective view of the column element while (b) a sectional view of the column element. The display device 1 is a flat display for application to such an appliance as a personal digital assistant, a game machine, a cellular phone, a personal computer or a television set.