Display device and electronic apparatus

Abstract

A display device includes a pixel portion including a plurality of pixels; a display switching function portion that displays an image based on light emitted from the pixel portion, and is capable of switching a three-dimensional display and a two-dimensional display of the image; and a sensor portion that detects whether or not an object comes into contact with or approaches.

1 . A display device comprising:
 a pixel portion including a plurality of pixels;   a display switching function portion that displays an image based on light emitted from the pixel portion, and is capable of switching a three-dimensional display and a two-dimensional display of the image; and   a sensor portion that detects whether or not an object comes into contact with or approaches.   
     
     
         2 . The display device according to  claim 1 ,
 wherein the display switching function portion is configured by any one of a liquid crystal lens, a liquid lens, and a barrier parallax.   
     
     
         3 . The display device according to  claim 2 ,
 wherein the sensor portion is an electrostatic capacitance type touch sensor.   
     
     
         4 . The display device according to  claim 3 ,
 wherein the pixel portion includes an organic electroluminescent elements as the pixels.   
     
     
         5 . The display device according to  claim 4 ,
 wherein the display switching function portion and the sensor portion are provided in this order from the pixel portion side,   the pixel portion includes an organic electroluminescent layer and a common electrode in this order above the plurality of pixel electrodes,   the display switching function portion includes a function layer, which allows an emission angle or an emission area of a light beam to vary in response to an applied voltage, and a driving electrode for a display switching in this order above a counter electrode, and   the sensor portion includes a detection electrode above the driving electrode for a sensor, a capacitative element being formed between the driving electrode for a sensor and the detection electrode.   
     
     
         6 . The display device according to  claim 5 ,
 wherein the driving electrode for a sensor in the sensor portion also serves as the driving electrode for a display switching in the display switching function portion.   
     
     
         7 . The display device according to  claim 6 ,
 wherein the pixel portion is sealed between a first substrate and a second substrate,   the counter electrode is provided above the second substrate with a third substrate interposed therebetween, and   a fourth substrate is provided between the driving electrode for a sensor and the detection electrode.   
     
     
         8 . The display device according to  claim 6 ,
 wherein the pixel portion is sealed between a first substrate and a second substrate,   the counter electrode is provided directly on the second substrate, and   a fourth substrate is provided between the driving electrode for a sensor and the detection electrode.   
     
     
         9 . The display device according to  claim 6 ,
 the pixel portion and a protective layer are formed in this order above a first substrate,   the counter electrode is provided on the protective layer, and   a fourth substrate is provided between the driving electrode for a sensor and the detection electrode.   
     
     
         10 . The display device according to  claim 5 ,
 wherein the common electrode in the pixel portion also serves as the counter electrode in the display switching function portion.   
     
     
         11 . The display device according to  claim 5 ,
 wherein the driving electrode for a sensor in the sensor portion also serves as the driving electrode for a display switching in the display switching function portion, and   the common electrode in the pixel portion also serves as the counter electrode in the display switching function portion.   
     
     
         12 . The display device according to  claim 11 ,
 the pixel portion is provided on a first substrate,   the function layer is provided on the common electrode of the pixel portion, and   a fourth substrate is provided between the driving electrode for a sensor and the detection electrode.   
     
     
         13 . The display device according to  claim 5 ,
 wherein the driving electrode for a sensor includes one or a plurality of strip-shaped driving electrodes, and   the detection electrode includes one or a plurality of strip-shaped detection electrodes that extend in a direction intersecting the strip-shaped driving electrodes.   
     
     
         14 . The display device according to  claim 6 ,
 the driving electrode for a sensor includes a driving circuit that applies a driving signal for a three-dimensional display or a two-dimensional display, and a driving signal for a sensor, respectively.   
     
     
         15 . The display device according to  claim 14 ,
 wherein the driving circuit applies the driving signal for a sensor in a short period compared to the driving signal for a three-dimensional display and the driving signal for a two-dimensional display.   
     
     
         16 . The display device according to  claim 15 , further comprising:
 a detection circuit that applies the driving signal for a sensor with respect to the driving electrode for a sensor, and performs an object detection process based on a detection signal that is obtained from the detection electrode.   
     
     
         17 . The display device according to  claim 5 ,
 wherein the display switching function portion is a liquid crystal lens, and   a liquid crystal layer in which a refraction index varies in response to an applied voltage is provided as the function layer.   
     
     
         18 . The display device according to  claim 5 ,
 wherein the display switching function portion is a liquid lens, and   a polar liquid layer and a nonpolar liquid layer in which a shape of an interface therebetween varies in response to an applied voltage are provided as the function layer.   
     
     
         19 . The display device according to  claim 5 ,
 wherein the display switching function portion is a liquid crystal barrier, and   a liquid crystal layer, which is capable of switching transmission and interception of a selective area in response to an applied voltage, is provided as the function layer.   
     
     
         20 . An electronic apparatus comprising:
 a display device including,   a pixel portion that includes a plurality of pixels,   a display switching function portion that displays an image based on light emitted from the pixel portion, and is capable of switching a three-dimensional display and a two-dimensional display of the image, and   a sensor portion that detects whether or not an object comes into contact with or approaches.