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US 8,077,136 B2Granted
Electro-optical device and electronic apparatus
AssigneeSony Corporation
InventorTomoyuki Ito
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AssigneeSony Corporation
InventorTomoyuki Ito
Estimating the term…
An electro-optical device includes a display unit having a plurality of pixels, and the display unit is divided into a plurality of areas. The electro-optical device also includes a plurality of optical sensors that are provided for the plurality of areas, each of the optical sensors being configured to detect a light intensity, and a controller that selectively performs recognition of an operation position on the display unit or measurement of an ambient light intensity on the basis of the light intensities detected by the plurality of optical sensors.
An electro-optical device comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
By control of light from an independent source: control of illumination source
Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means: digitisers structurally integrated in a display
Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means: by opto-electronic means
Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light…:…
About 3 years 3 months of term left · ends 9 Feb 2030 (estimated)
1. Technical Field
The present invention relates to electro-optical devices and electronic apparatuses.
2. Related Art
The invention will be described with reference to the accompanying drawings, wherein like numbers reference like elements.
FIG. 1 is a block diagram showing the structure of an electro-optical device according to a first embodiment of the invention.
FIG. 2 is a circuit diagram showing the transistor level of pixels of the electro-optical device.
Exemplary embodiments of the invention will be described with reference to the drawings. In the following description of embodiments and modifications, the same elements are denoted by the same reference numerals, and a description thereof is omitted or simplified.
FIG. 1 is a block diagram showing the structure of an electro-optical device 1 according to a first embodiment of the invention.
The electro-optical device 1 includes a liquid crystal panel AA, an external driving circuit 90 that drives the liquid crystal panel AA, and a backlight 98 serving as a light source that irradiates the liquid crystal panel AA with light. The electro-optical device 1 performs transmission type display using the light from the backlight 98, and acts as a touch panel to perform display in accordance with an operation of an input pen 100 (see FIG. 7) on a display area A, described below.