Display device and means to measure and isolate the ambient light

摘要

A display method and display device are described having at least one sensor for detecting a property of light such as the intensity, color and/or color point of light emitted from at least one display area of a display device into a viewing angle of the display device and to measure and isolate the contributions of ambient light. An advantage of the sensor system is that it can be used for real-time measurements, e.g. while the display device is in use, and off-line, e.g. when the normal display functionality is interrupted, with a high signal to noise ratio and simultaneously can isolate the contributions of the signals from the backlight of the display device and the signals from the ambient light.

主权项

1. A display device, comprising:
at least one display area provided with a plurality of pixels, each display area comprising:
a first transparent or partially transparent sensor for detecting a property of light emitted from the display area into a viewing angle of the display device as well as ambient light, the transparent or partially transparent sensor being located in a front section of said display device in front of said display area; anda filter for use with the first transparent or partially transparent sensor in determining the contribution of the ambient light to the output signal of the sensors or for use with the first transparent or partially transparent sensor in determining the luminance of the ambient light, and at least partially transparent electrical conductors for conducting a measurement signal from said sensor within said viewing angle for transmission to a controller, the at least partially transparent electrodes comprise an electrically conductive oxide.