Accurate XYZ color sensors from ams OSRAM enable display controllers to shift the white point of the display in response to changes in the color temperature of ambient light: the effect is to make text as readable on the display as it is when printed in a book.
By shifting the display’s white point to a warmer color temperature, in which there is less blue light, the display controller also minimizes eye strain caused by prolonged viewing, and can reduce the risk of sleep disturbance attributable to use of the display.
An infrared proximity sensor in a mobile phone is used to turn on/off the display when the phone is raised to the user’s ear for a voice call. Proximity sensors from ams OSRAM operate through a very small aperture: this keeps optical cross-talk to extremely low levels, almost eliminating the risk of false detection events and adhering to difficult corner cases.
The small aperture optical sensing devices from ams OSRAM are based on a refined analog front-end and digital circuitry and innovative package design techniques, producing the lowest possible noise floor.
The same ability to operate through a small aperture is provided by the ams OSRAM ambient light sensing and RGB color sensor products, which support display management functions while enabling new mobile phone designs to benefit from a sleek look with barely visible apertures. The TMD3702VC 3-in-1 color light sensor, proximity sensor and IR VCSEL enables designers to maximize the ratio of display area to body size while retaining front-facing proximity, color and ambient light sensing functions.